| the dual origin of the malagasy in island southeast asia and east africa: evidence from maternal and paternal lineages. | linguistic and archaeological evidence about the origins of the malagasy, the indigenous peoples of madagascar, points to mixed african and indonesian ancestry. by contrast, genetic evidence about the origins of the malagasy has hitherto remained partial and imprecise. we defined 26 y-chromosomal lineages by typing 44 y-chromosomal polymorphisms in 362 males from four different ethnic groups from madagascar and 10 potential ancestral populations in island southeast asia and the pacific. we also ... | 2005 | 15793703 |
| transitions in ancient inland freshwater resource management in sri lanka affect biota and human populations in and around coastal lagoons. | the increasing anthropogenic pressure on natural environments results in impacts that affect tropical forest areas and their biodiversity. adverse impacts on terrestrial and oceanic environments often compound in the intertidal area, where mangrove forest ecosystems thrive. in tropical coastal areas of many developing countries where people depend on wood and other mangrove forest products and services, forest degradation leads to socioeconomic problems. at the same time, increasing freshwater n ... | 2005 | 15797030 |
| new cytotoxic oleanane saponins from the infructescences of polyscias amplifolia from the madagascar rainforest. | bioassay-guided fractionation of an ethanolic extract of the infructescences of polyscias amplifolia resulted in the isolation of two new oleanolic acid saponins, polyfoliolides a (1) and b (2), in addition to the two known saponins 3-o-beta-d-galactopyranosyloleanolic acid (3) and 3-o-beta-d-galactopyranosyl-(1-->4)-beta-d-galactopyranosyloleanolic acid (4). the structures of the two new compounds were established as 3-o-beta- d-galactopyranosyl-(1-->4)-beta-d-xylopyranosyloleanolic acid (1) an ... | 2003 | 12802726 |
| abo-blood-group types and protection against severe, plasmodium falciparum malaria. | although the abo blood group of the human host has been reported to influence malarial infection, there have been few clinical observations on this effect. a hospital-based, comparative study was therefore performed to investigate the relationship between blood-group type and severe disease i nplasmodium falciparum malaria. overall, 243 cases of malaria (163 uncomplicated and 80 severe) and 65 patients with severe, non-malarial infections were studied. in terms of abo-blood-group composition, th ... | 2005 | 15814030 |
| human infection with wuchereria bancrofti in matara, sri lanka: the use, in parallel, of an elisa to detect filaria-specific igg4 in urine and of ict card tests to detect filarial antigen in whole blood. | the ict card test to detect circulating filarial antigen and an elisa that detects filaria-specific urinary igg(4) were each used to screen 473 subjects from a community in sri lanka where wuchereria bancrofti is endemic. when the ict test was used as the gold standard, the elisa was found to have a sensitivity of 91.2%. however, far more of the subjects were found elisa-positive than ict-positive (76.5% v. 31.1%). the youngest children studied (aged 1-10 years) were similar to the adult subject ... | 2003 | 12803873 |
| from the recent lessons of the malagasy foci towards a global understanding of the factors involved in plague reemergence. | re-emergence of human cases of plague after decades of silence does not necessarily mean that plague foci are re-emerging. most often, yersinia pestis bacteria have been maintained and circulating at low levels in the rodent populations. it seems therefore more appropriate to speak in terms of expansion or regression phases for sylvatic rodent plague foci and to reserve the term re-emergence for human cases. from the analysis of well-documented human plague cases in madagascar, we underline the ... | 2005 | 15845233 |
| collaborative research trials: a strategy for fostering mental health protections in developing nations. | | 2005 | 15862873 |
| iodine prophylaxis, goitre and thyroid autoimmunity in sri lanka. | | 2005 | 15881560 |
| development of the egg hatch assay for detection of anthelminthic resistance in human hookworms. | evidence of development and rapid spread of anthelminthic resistance in veterinary nematodes raises concern that the increasingly frequent treatments used in chemotherapy-based programmes to control human soil-transmitted helminths may select resistant worms. the aim of this study was to adapt, refine, and evaluate the egg hatch assay (eha) test, which has been used for veterinary nematodes, for field testing of benzimidazole (bz) susceptibility/resistance in human hookworms. a second objective ... | 2005 | 15885696 |
| starting a programme in sri lanka. | a survey conducted by the sri lanka family planning association (fpa) revealed a significant unmet need for reproduction health education among young people. the fpa presented the survey findings to policy makers and educational leaders at a national seminar. emerging from this seminar were a pilot project in sri lanka schools, a program to train counselors in premarital at regular intervals. these interventions resulted in a substantial increase in the number of young people presenting to fp ... | 1993 | 12345373 |
| mauritius finds the magic mix. | the experience in mauritius highlights the central importance of investments in human resources, particularly female education, to sustainable social and economic development. fertility on this island declined from 6.2 to 3.2 children per woman between 1963-72, and this unprecedented fertility decline was followed, in the 1980s, by dramatic economic growth. this scenario challenges the traditional belief that economic growth is an essential precondition for fertility decline. increasing age at ... | 1994 | 12345831 |
| altered environment and risk of malaria outbreak in south andaman, andaman & nicobar islands, india affected by tsunami disaster. | pools of salt water and puddles created by giant waves from the sea due to the tsunami that occurred on 26th december 2004 would facilitate increased breeding of brackish water malaria vector, anopheles sundaicus. land uplifts in north andaman and subsidence in south andaman have been reported and subsidence may lead to environmental disturbances and vector proliferation. this warrants a situation analysis and vector surveillance in the tsunami hit areas endemic for malaria transmitted by bracki ... | 2005 | 16029514 |
| molecular and biochemical characterization of a sand fly population from sri lanka: evidence for insecticide resistance due to altered esterases and insensitive acetylcholinesterase. | with an increasing incidence of cutaneous leishmaniasis in sri lanka, particularly in northern provinces, insecticide-mediated vector control is under consideration. optimizing such a strategy requires the characterization of sand fly populations in target areas with regard to species composition and extant resistance, among other parameters. sand flies were collected by human bait and cattle-baited net traps on delft island, used as an illegal transit location by many refugees returning to the ... | 2005 | 16048685 |
| slavery, smallpox, and revolution: 1792 in ile de france (mauritius). | in 1792 a slave-ship arrived on the french indian ocean island of ile de france (mauritius) from south india, bringing with it smallpox. as the epidemic spread, a heated debate ensued over the practice of inoculation. the island was in the throes of revolutionary politics and the community of french colonists were acutely aware of their new rights as 'citizens'. in the course of the smallpox epidemic, many of the political tenisons of the period came to focus on the question of inoculation, and ... | 2000 | 14535269 |
| enterocytozoon bieneusi (microsporidia) in clinical samples from immunocompetent individuals in tenerife, canary islands, spain. | microsporidia are newly emerging pathogens of humans and animals, with enterocytozoon bieneusi being the most common causal agent in human microsporidiosis. to determine the presence of e. bieneusi, 273 clinical samples (40 urine, 156 stools, 37 sputum, 9 bronchial aspirates, 5 bronchial washes and 26 pleural fluids) from immunocompetent patients, mainly suffering diarrhoea or pneumonia, in tenerife, canary islands, spain were analysed using light microscopy after staining with weber's chromotro ... | 2005 | 16111728 |
| methodological problems and amendments to demonstrate effects of temperature on the epidemiology of malaria. a new perspective on the highland epidemics in madagascar, 1972-89. | there is a growing consensus that changes in climate will have major consequences for human health through a reduction in the availability of food and an increasing frequency of natural disasters. however, the contribution of higher temperatures to vector-borne diseases, particularly malaria, remains controversial despite the known biological dependence of both vector and pathogen on climate. misconceptions and inappropriate use of variables and methods have contributed to the controversy. at pr ... | 2003 | 14584363 |
| malaria transmission in southern madagascar: influence of the environment and hydro-agricultural works in sub-arid and humid regions. part 1. entomological investigations. | a 4-year entomological study was carried out in southern madagascar to identify malaria vectors, evaluate the transmission and compare the influence of irrigation in the sub-arid and adjacent humid regions. three villages were involved in this entomological survey: androvasoa (located in the natural sub-arid ecosystem), pépiniére (sited at the centre of an irrigated rice scheme in the sub-arid region) and esana (bordered with rice fields in the humid region). mosquitoes were collected inside and ... | 2004 | 14732241 |
| cytotoxic sesquiterpene lactones from vernonia pachyclada from the madagascar rainforest. | bioassay-guided fractionation of the cytotoxic leaf extract of vernonia pachyclada baker led to the isolation of three new sesquiterpene lactones, designated glaucolides k-m (1-3). the structures of the new compounds were determined using 1d and 2d nmr spectroscopy, and the structure and stereochemistry of 1 were confirmed by single-crystal x-ray diffraction. compound 3 showed moderate activity in the a2780 human ovarian cancer cell line, with an ic50 of 3.3 microm. | 2005 | 16180816 |
| genetic diversity of kir natural killer cell markers in populations from france, guadeloupe, finland, senegal and réunion. | killer cell immunoglobulin-like receptors (kirs) belong to a diverse family of natural killer (nk) cell receptors recognizing human leukocyte antigen (hla) class i molecules. due to this functional link, kir molecules are expected to display a high polymorphism, such as their hla ligands. moreover, many studies conducted in mouse and human models have shown that nk-kir receptors play an important role in haematopoietic stem cell transplantation (hsct). a beneficial impact of peculiar kir ligand ... | 2005 | 16185321 |
| origin and diversification of the human parasite schistosoma mansoni. | schistosoma mansoni is the most widespread of the human-infecting schistosomes, present in 54 countries, predominantly in africa, but also in madagascar, the arabian peninsula, and the neotropics. adult-stage parasites that infect humans are also occasionally recovered from baboons, rodents, and other mammals. larval stages of the parasite are dependent upon certain species of freshwater snails in the genus biomphalaria, which largely determine the parasite's geographical range. how s. mansoni g ... | 2005 | 16202103 |
| evidence of early butchery of giant lemurs in madagascar. | we report here definitive evidence of butchery, most probably associated with hunting, of giant extinct lemurs by early human settlers in madagascar. specimens of palaeopropithecus ingens and pachylemur insignis from two sites in southwestern madagascar, taolambiby and tsirave, show classic signs of butchering. we compared these to the bones (also from taolambiby) of butchered propithecus verreauxi, a lemur still living in the region. the characteristics of the tool-induced extinct-lemur bone al ... | 2005 | 16225904 |
| differences between organophosphorus insecticides in human self-poisoning: a prospective cohort study. | although more than 100 organophosphorus insecticides exist, organophosphorus poisoning is usually regarded as a single entity, distinguished only by the compound's lethal dose in animals. we aimed to determine whether the three most common organophosphorus insecticides used for self-poisoning in sri lanka differ in the clinical features and severity of poisoning they cause. | 2005 | 16243090 |
| heritability of malaria in africa. | while many individual genes have been identified that confer protection against malaria, the overall impact of host genetics on malarial risk remains unknown. | 2005 | 16259530 |
| demography, range use, and behavior in black lemurs (eulemur macaco macaco) at ampasikely, northwest madagascar. | we studied a black lemur population over a 2-year period (1992-1993) and 8 years later (2000) in a 50-ha secondary forest in northwest madagascar. all of the animals were marked to investigate population dynamics and seasonal variation in ranging and behavior, and new data on black lemurs were obtained. our data on demographic characteristics were expanded to include other forest sites and contrasted with those collected in other eulemur macaco macaco field studies, in relation to human activity ... | 2005 | 16287130 |
| [bartholin gland tuberculosis: a case report in madagascar]. | female genital tuberculosis is relatively frequent in developing countries. most cases occur in young women of childbearing age. the most common locations are the tubes, endometrium, and ovaries. bartholin gland involvement is rare. the purpose of this report is to present a case of bartholin gland tuberculosis in a 50 year-old woman and to describe the special epidemiological, clinical and therapeutic features associated with this location. bartholinitis develops insidiously until spontaneous f ... | 2003 | 15077425 |
| natural human antibody responses to plasmodium vivax apical membrane antigen 1 under low transmission and unstable malaria conditions in sri lanka. | plasmodium vivax apical membrane antigen 1, an important malaria vaccine candidate, was immunogenic during natural malaria infections in sri lanka, where low transmission and unstable malaria conditions prevail. antibody prevalence increased with exposure in areas where malaria was or was not endemic. a marked isotype switch to cytophilic (immunoglobulin g1 [igg1]/igg3) antibodies was evident with increasing exposure exclusively in residents from areas of endemicity. | 2006 | 16369044 |
| denaturing high-performance liquid chromatography-based genotyping and genetic variation of fut2 in sri lanka. | human abo-secretor locus (fut2) is highly polymorphic in many human populations. | 2005 | 16371047 |
| hermansky-pudlak syndrome type 4 in a patient from sri lanka with pulmonary fibrosis. | hermansky-pudlak syndrome (hps) is a rare autosomal recessive disorder characterized by oculocutaneous albinism and a platelet storage pool deficiency. some patients also develop fatal pulmonary fibrosis and some have granulomatous colitis. six human genes hps1, adb3a, hps3, hps4, hps5, and hps6 have been identified as cause of the six known subtypes of hps. while there exist nearly 500 puerto rican and non-puerto rican hps-1 patients, very few hps-4 patients have been reported, and most of thes ... | 2004 | 15108212 |
| usefulness of restriction fragment length polymorphism and spoligotyping for epidemiological studies of mycobacterium bovis in madagascar: description of new genotypes. | tuberculosis is highly prevalent in cattle in madagascar. an epidemiological study based on genotyping of mycobacterium bovis and its transmission to humans was carried out. the restriction fragment length polymorphism (is6110 and dr markers) and spoligotyping were used to assess the genetic diversity of strains from different regions of madagascar. one of these strains was isolated from goat, the other strains were isolated from zebu cattle. nine is6110 profiles, 20 dr profiles and 12 spoligoty ... | 2006 | 16384662 |
| new cytotoxic terpenoids from the wood of vepris punctata from the madagascar rainforest. | continuation of the chemical examination of the cytotoxic constituents of the wood of vepris punctata resulted in the isolation of the two new terpenoids 1 and 2 and eight known compounds, glechomanolide (3), isogermafurenolide, (e,e)-germacra-1(10),4,7(11)-triene, alpha-amyrin, lupeol, lupeyl acetate, taraxerol, and 3-epi-taraxerol, in addition to the alkaloids reported reported previously. the structures of the two new compounds were established on the basis of 1d and 2d nmr spectroscopic data ... | 2004 | 15165160 |
| sexuality and women's rights in armed conflict in sri lanka. | the discourse of human rights in armed conflict situations is well adapted to respond to violence and violation, invoking internationally agreed principles of civil and political rights. however, in areas where the subject or domain of rights discourse is contested or controversial, human rights advocates appear less prepared to promote and defend such rights. sexuality is one such domain. this paper explores the complex sexual choices women in sri lanka have had to negotiate, particularly widow ... | 2004 | 15242213 |
| a chronology for late prehistoric madagascar. | a database has been assembled with 278 age determinations for madagascar. materials 14c dated include pretreated sediments and plant macrofossils from cores and excavations throughout the island, and bones, teeth, or eggshells of most of the extinct megafaunal taxa, including the giant lemurs, hippopotami, and ratites. additional measurements come from uranium-series dates on speleothems and thermoluminescence dating of pottery. changes documented include late pleistocene climatic events and, in ... | 2004 | 15288523 |
| [tinea capitis in madagascar: a survey in a primary school in antsirabe]. | tinea capitis is a common infection among schoolchildren in developing countries. this condition is still under-reported in madagascar. in order to assess the prevalence of tinea capitis in madagascar, we conducted a study in a primary school in antsirabe, a town located in the country's high central territories. | 2006 | 16495846 |
| characterization and evolution of major histocompatibility complex class ii genes in the aye-aye, daubentonia madagascariensis. | major histocompatibility complex genes (mhc-dqb and mhc-drb) were sequenced in seven aye-ayes (daubentonia madagascariecsis), which is an endemic and endangered species in madagascar. an aye-aye from a north-eastern population showed genetic relatedness to individuals of a north-western population and had a somewhat different repertoire from another north-eastern individual. these observations suggest that the extent of genetic variation in mhc genes is not excessively small in the aye-aye in sp ... | 2005 | 15322927 |
| typhoid fever as a cause of opportunistic infection: case report. | typhoid fever is a systemic infection caused by the bacterium salmonella enterica subspecies enterica serotype typhi, which is acquired by ingestion of contaminated food and water. each year the disease affects at least 16 million persons world-wide, most of whom reside in the developing countries of southeast asia and africa. in italy the disease is uncommon with a greater number of cases in southern regions than in northern ones. | 2006 | 16504150 |
| genetic variation in beacon influences quantitative variation in metabolic syndrome-related phenotypes. | the beacon gene (also known as ubl5) was identified as differentially expressed between lean and obese psammomys obesus, a polygenic animal model of obesity, type 2 diabetes, and dyslipidemia. the human homologue of beacon is located on chromosome 19p, a region likely to contain genes affecting metabolic syndrome-related quantitative traits as established by linkage studies. to assess whether the human beacon gene may be involved in influencing these traits, we exhaustively analyzed the complete ... | 2004 | 15331561 |
| [oculocutaneous albinism in french overseas territories (reunion, french guyana, martinique) and mayotte. study of 21 cases in 16 families]. | the dual purpose of this study was to determine the genotype of patients with oculocutaneous albinism type 1 and 2 based on analysis of tyrosinase and p gene mutations and to attempt to establish a correlation between phenotype and genotype. this study included a total of 21 caucasian, indian and black african patients from la reunion, la martinique, french guyana and mayotte. pcr-sequencing of genomic dna was performed to detect tyrosinase gene mutations and pcr-separation of pcr products by ag ... | 2005 | 16555521 |
| economic development, income inequality and environmental degradation of fisheries resources in mauritius. | this article examines how environmental degradation of fisheries resources in the context of mauritius is linked up with human investment in education, economic growth, and income inequality. empirical evidence shows that public-sector investment in education promotes economic growth, but at the expense of greater inequality of income. among the vulnerable groups affected by this type of development process lies the fisherman community. in fact, children of poor families in coastal mauritius hav ... | 2004 | 15383878 |
| universal ethical principles in a diverse universe: a commentary on monshi and zieglmayer's case study. | monshi and zieglmayer's case study presents sri lankan participants as having views on the privacy of health information that differ radically from those commonly found in western nations. this article explores 2 questions that their case study raises for the ethical review of research in international settings: first, are allegedly universal ethical principles--of the sort promulgated in the belmont report (national commission for the protection of human subjects of biomedical and behavioral re ... | 2004 | 16625726 |
| constraints on conceptual development: a case study of the acquisition of folkbiological and folksociological knowledge in madagascar. | how different are the concepts held by children who grow up in a north american middle class neighborhood and by children who grow up in a rural malagasy fishing village? by probing malagasy children's and adults' conceptual representations of human and animal kind, biological inheritance, innate potential and family relations, the studies presented in this monograph address current debates about the acquisition and the nature of concepts in the domains of folkbiology and folksociology. cross-cu ... | 2004 | 15566544 |
| dose-dependent therapeutic antiinfectives from ethnomedicines of bay islands. | the methanol extract of ophirrhiza nicobarica, alstonia macrophylla and mallotus peltatus, ethnomedicines of little andaman, were investigated for antiinfective, antiinflammatory and antioxidant activities. | 2006 | 16636538 |
| [the history of flu in madagascar]. | the purpose of this paper is to actualize the historical data on influenza in madagascar. the first outbreak of flu probably occurred in 1890. the first epidemic fully described was in 1893. between 1890 and 1957, 11 outbreaks of influenza were registered. since 1978, the unit of virology of the institut pasteur de madagascar is the national reference center of the world health organization for influenza in madagascar. between 1975 and 2002, 12 epidemics of flu were registered confirmed by viral ... | 2003 | 15678809 |
| genome microevolution of chikungunya viruses causing the indian ocean outbreak. | a chikungunya virus outbreak of unprecedented magnitude is currently ongoing in indian ocean territories. in réunion island, this alphavirus has already infected about one-third of the human population. the main clinical symptom of the disease is a painful and invalidating poly-arthralgia. besides the arthralgic form, 123 patients with a confirmed chikungunya infection have developed severe clinical signs, i.e., neurological signs or fulminant hepatitis. | 2006 | 16700631 |
| [influenza epidemiologic and virologic surveillance in antananarivo from 1995 to 2002]. | the "institut pasteur de madagascar" virology laboratory is the national who centre for influenza surveillance in madagascar. on this surveillance collaborate the ministry of health with 9 sentinel centres. in the present article, the authors relate the results of influenza surveillance in antananarivo between 1995 and 2002. among 6341 patients with nasal and/or pharyngeal swabs, influenza virus were isolated from 427 patients (6.7%): 307 (68.4%) influenza virus a (h3n2), 124 (27.1%) influenza v ... | 2003 | 15678811 |
| the value of small size: loss of forest patches and ecological thresholds in southern madagascar. | many services generated by forest ecosystems provide essential support for human well-being. however, the vulnerability of these services to environmental change such as forest fragmentation are still poorly understood. we present spatial modeling of the generation of ecosystem services in a human-dominated landscape where forest habitat patches, protected by local taboos, are located in a matrix of cultivated land in southern madagascar. two ecosystem services dependent on the forest habitats w ... | 2006 | 16711035 |
| [the current epidemiological situation of cysticercosis in madagascar]. | being associated to fecal-oral transmission, cysticercosis is contracted either by auto-infection or by ingestion of food contaminated with eggs from the pork tape worm (taenia solium). in the stomach, the larvae named cysticercus (cysticercus cellulosae) hatches from the eggs and invades the host through the mucosa membrane. human cysticercosis occurs in highly prevalent proportions in many developing countries including madagascar where hygiene conditions are deplicable. serology tests applica ... | 2003 | 15678816 |
| [anopheles mascarensis of meillon 1947, a malaria vector in the middle west of madagascar?]. | anopheles mascarensis has been demonstrated to be a vector of human malaria in the east coast of madagascar. here, we present original data obtained from 1996 to 2003 on the distribution, biology and vectorial capacity of an. mascarensis in the middle-west of madagascar. this species is consistently exophilic both for its trophic and resting behaviour. this accounts for the absence of clear impact of any indoor insecticide spraying. this species is mainly zoophilic, but can occasionally bite hum ... | 2003 | 15678818 |
| early outcome after glenn shunt and fontan palliation and the impact of operation during viral respiratory season: analysis of a 19-year multi-institutional experience. | this study was done to investigate the impact of season of operation, age at operation, and surgical era on short-term outcome after single ventricle palliation. one small study suggests that operation during viral respiratory season is associated with prolonged pleural effusion and hospitalization. single-institution studies also find improved outcomes after the glenn shunt and fontan over time, despite operation at a younger age. | 2005 | 15680845 |
| multifocal cutaneous mucormycosis complicating polymicrobial wound infections in a tsunami survivor from sri lanka. | a man injured in the tsunami of dec 26, 2004, returned to sydney for management of his soft-tissue injuries. despite broad-spectrum antibiotics, surgical wound debridement, and vigilant wound care, his condition worsened. muscle and fat necrosis developed in a previously debrided thigh wound, and necrotising lesions arose from previous abrasions. histological analysis showed mucormycosis in three non-contiguous sites, and apophysomyces elegans was isolated from excised wound tissue. wound infect ... | 2005 | 15752532 |
| cytotoxic flavanones of schizolaena hystrix from the madagascar rainforest. | bioassay-guided fractionation of an ethanol extract of a madagascar collection of schizolaena hystrix afforded three new flavanones, schizolaenone a (1), schizolaenone b (2), and 4'-o-methylbonannione a (3), as well as three known flavanones, nymphaeol a, bonannione a, and macarangaflavanone b, and the flavanol bonanniol a. the structures of compounds 1-3 were determined by various one- and two-dimensional nmr techniques. all of the isolates were tested for cytotoxicity against the a2780 human o ... | 2005 | 15787448 |
| biomineralogy of human urinary calculi (kidney stones) from some geographic regions of sri lanka. | kidney stones (urinary calculi) have become a global scourge since it has been recognized as one of the most painful medical problems. primary causative factors for the formation of these stones are not clearly understood, though they are suspected to have a direct relationship to the composition of urine, which is mainly governed by diet and drinking water. sixty nine urinary calculi samples which were collected from stone removal surgeries were analyzed chemically for their na, k, ca, mg, cu, ... | 2006 | 16791711 |
| perfluorinated organic compounds in human blood serum and seminal plasma: a study of urban and rural tea worker populations in sri lanka. | concentrations and accumulation of 13 fluorinated organic compounds (focs) in human sera and seminal plasma were measured in an asian developing country, sri lanka. six of the focs, pfos (perfluorooctanesulfonate), pfhs (perfluorohexanesulfonate), pfuna (perfluoroundecanoic acid), pfda (perfluorodecanoic acid), pfna (perfluorononanoic acid) and pfoa (perfluorooctanoic acid), were detected in all of the sera samples. measurable quantities of two main perfluorosulfonates, pfos and pfhs, were found ... | 2005 | 15798805 |
| moderate transmission but high prevalence of malaria in madagascar. | malaria transmission remains poorly documented in areas of low transmission. a study has been carried out over two consecutive years in analamiranga, a village located at an altitude of 885m on the western edge of the malagasy highlands, with the aim of generating and updating malariometric indexes for both mosquitoes and schoolchildren. in this village, no vector control measures were performed during the study period nor during previous decades. mosquitoes were collected monthly when landing o ... | 2006 | 16842796 |
| ocular parastrongyliasis (=angiostrongyliasis): probable first report of human infection from a patient in ceylon (sri lanka). | what is considered to be the first case of human parastrongyliasis (angiostrongyliasis) worldwide is described from a patient in ceylon (sri lanka) in 1925. it also predates the description of the parasite in humans by chen (1935). | 2004 | 15828436 |
| epidemiological trends for human plague in madagascar during the second half of the 20th century: a survey of 20,900 notified cases. | to describe the principal characteristics and epidemiological trends for human plague in modern times based on the largest reported series of cases from the highly active malagasy focus. | 2006 | 16903886 |
| hematology of a natural population of toque macaques (macaca sinica) at polonnaruwa, sri lanka. | hematological studies were conducted in three wild groups of toque macaques (macaca sinica) inhabiting the polonnaruwa sanctuary in northeastern sri lanka. the macaques were temporarily trapped and anesthetized, and femoral blood was drawn from 35 males and 37 females (age range: 0.33-24.5 yr). statistically significant (p<0.05) differences were observed by sex for total plasma proteins (pp), and by age for red blood cell (rbc) counts, hemoglobin (hb), mean corpuscular volume (mcv), mean corpusc ... | 2003 | 12966516 |
| detection of human papillomavirus from archival tissues in cervical cancer patients in mauritius. | around half a million new cases of cervical cancer are diagnosed worldwide each year, accounting for almost 300,000 deaths. development of cervical cancer can be multi-factorial, but high-risk human papillomaviruses (hpv) have been associated with the aetiology of cervical cancer. it is believed that hpv dna integrates into the host dna causing abnormal cell growth with cells becoming carcinogenic and spreading metastatically. in mauritius, cervical cancer account for 65% of gynaecological cance ... | 2006 | 16115796 |
| anti-proliferative effect of euphorbia stenoclada in human airway smooth muscle cells in culture. | the ethanolic extract of a malagasy species euphorbia stenoclada (es) (euphorbiaceae), traditionally used as a herbal remedy against asthma and acute bronchitis, was tested to evaluate possible anti-proliferative activity on human airway smooth muscle cells (hasmc). the es ethanolic extract totally abolished the interleukin-1beta (il-1beta) induced proliferation of hasmc (ic(50)=0.73+/-0.08 microg/ml). no cytotoxic effect was observed up to 20 microg/ml. a bioassay-guided fractionation of the et ... | 2007 | 16971077 |
| the state, conflict and the individual: the effect of the janatha vimukthi peramuna (jvp) insurrections in sri lankan on the mental welfare of a population. | this article describes the nature and effect of violence and conflict on the social and personal welfare of a local population using the example of the janatha vimukthi peramuna (vp) insurrections in sri lanka. it considers the impact of violence on individuals and communities both directly from traumatic events and indirectly through the social and political consequences of the violence. mental health is taken as an indicator of human welfare, and its relationship to the political and economic ... | 2005 | 16180734 |
| melioidosis: an imported case from madagascar. | burkholderia pseudomallei, the causative agent of melioidosis, is endemic in southeast asia and northern australia but is a rare pathogen in other parts of the world. no human case of melioidosis has been reported in madagascar until now. we describe a case of pulmonary melioidosis probably acquired in madagascar. | 2006 | 16987131 |
| identification of strategies to prevent death after pesticide self-poisoning using a haddon matrix. | despite pesticide self-poisoning causing around 300 000 deaths each year in the rural asia pacific region, no comprehensive public health response has yet been formulated. the authors have developed a haddon matrix to identify factors that increase the risk of fatal rather than non-fatal pesticide self-poisoning in sri lanka. many important host factors such as age, gender, and genetics are not alterable; factors that could be changed-alcohol use and mental health-have previously proved difficul ... | 2006 | 17018677 |
| population structure of anopheles arabiensis on la réunion island, indian ocean. | anopheles arabiensis, together with anopheles gambiae sensu stricto, are the most important vectors of human malaria in sub-saharan africa. the malaria situation keeps worsening, with 1 to 3 million deaths a year, and alternative strategies are needed to decrease malaria transmission intensity. in this paper, we studied the population structure of an. arabiensis from three sample sites on the remote indian ocean island of la réunion. our results showed strong genetic structuring between an. arab ... | 2005 | 16354815 |
| simian immunodeficiency virus sivmac239 infection of major histocompatibility complex-identical cynomolgus macaques from mauritius. | nonhuman primates are widely used to study correlates of protective immunity in aids research. successful cellular immune responses have been difficult to identify because heterogeneity within macaque major histocompatibility complex (mhc) genes results in quantitative and qualitative differences in immune responses. here we use microsatellite analysis to show that simian immunodeficiency virus (siv)-susceptible cynomolgus macaques (macaca fascicularis) from the indian ocean island of mauritius ... | 2007 | 17035320 |
| y-chromosomal microdeletions and partial deletions of the azoospermia factor c (azfc) region in normozoospermic, severe oligozoospermic and azoospermic men in sri lanka. | to assess for the first time the occurrence of y chromosomal microdeletions and partial deletions of the azoospermia factor c (azfc) region in sri lankan men and to correlate them with clinical parameters. | 2006 | 16372117 |
| mental disorders and the symbolic function of therapeutic rites in the réunion island hindu environment. | this article describes two therapeutic rituals in the hindu milieu on réunion island--walking on fire and piercing parts of the body in the feast of cavedy--to underscore the cultural representation of madness and the symbolic function of these rites in treatment. madness is considered to be the result of a rupture of genealogy through denial of the founder, and of psychic-somatic unity, which leads the afflicted person to develop a fantasy of immortality. the two therapeutic rituals aim at rees ... | 2006 | 17090629 |
| the need for translational research on antidotes for pesticide poisoning. | 1. pesticide poisoning kills hundreds of thousands of people in the asia-pacific region each year. the majority of deaths are from deliberate self-poisoning with organophosphorus pesticides (op), aluminium phosphide and paraquat. the current response from a public health, medical and research perspective is inadequate. 2. there are few proven or effective treatments; in addition, very little clinical research has been performed to transfer antidotes shown to work in animal studies into clinical ... | 2005 | 16405459 |
| occurrence of toxigenic cyanobacterial blooms in freshwaters of sri lanka. | a previous pioneering study of freshwater bodies in sri lanka revealed the presence of toxic cyanobacteria in three out of four water bodies tested. it was therefore important to perform a more detailed investigation into the presence of cyanobacteria and their toxins throughout sri lanka. the country has a long history of well-planned water management with the agricultural economy and drinking water supply still dependent on thousands of man-made tanks. seventeen reservoirs from different user ... | 2006 | 16464697 |
| prevalence of cryptosporidium and other enteric parasites among wild non-human primates in polonnaruwa, sri lanka. | cryptosporidiosis is a rapidly emerging disease in the tropics. this is the first report of cryptosporidium and other protozoan infections (entamoeba spp., iodamoeba, chilomastix, and balantidium spp.) in wild primates that inhabit the natural forest of sri lanka. it is unclear if non-human primates serve as a reservoir for these parasites under certain conditions. a cross-sectional coprologic survey among 125 monkeys (89 toque macaques, 21 gray langurs, and 15 purple-faced langurs) indicated th ... | 2006 | 16474091 |
| cytotoxic diterpenes from cassipourea madagascariensis from the madagascar rainforest. | bioassay-directed fractionation of ethanol extracts of the roots and leaves of the plant cassipourea madagascariensis resulted in the isolation of the two new terpenoids cassipourol (1) and cassipouryl acetate (2) in addition to the three known compounds, 3beta,30-dihydroxylup-20(29)-ene (3), 30-hydroxylup-20(29)-en-3-one (4), and combretol (5). the structures of the two new compounds were established on the basis of 1d and 2d nmr spectroscopic data and chemical conversion. all the isolated comp ... | 2006 | 16499334 |
| contemplating choice: attitudes towards intervening in human reproduction in sri lanka. | to date, relatively little is known about the ethical, legal and social responses to recent advances in reproductive and genetic technology outside europe and north america. this article reports on a survey carried out among doctors (n=278) and medical students (n=1256) in sri lanka to find out more about their responses to novel interventions in human reproduction such as in-vitro fertilization, pre-implantation genetic diagnosis and genetic engineering. in the first part of the paper compariso ... | 2005 | 16552923 |
| spectrum of cftr mutations on réunion island: impact on neonatal screening. | the large heterogeneity in the cystic fibrosis (cf) gene is the main difficulty for genotype characterization. numerous studies have reported considerable variations in frequencies of cf transmembrane conductance regulator (cftr) mutations in different populations, such as african, asian, or european populations. to completely characterize the spectrum of mutations in the cftr gene in the réunion island population, we screened 228 cf chromosomes using denaturing high-pressure liquid chromatograp ... | 2005 | 16596947 |
| mitochondrial evidence for distinct phylogeographic units in the endangered malagasy poison frog mantella bernhardi. | mantella bernhardi is an endemic species of malagasy poison frog threatened by loss and fragmentation of its natural habitat and collection for the pet trade. it is classified as threatened according to the international union for conservation of nature and natural resources (iucn) categories and included in appendix ii of the convention on the international trade of endangered species (cites). a recent survey has increased the known distributional range of the species from one to eight populati ... | 2006 | 16629815 |
| coprophagy by wild ring-tailed lemurs (lemur catta) in human-disturbed locations adjacent to the beza mahafaly special reserve, madagascar. | coprophagy occurs in a number of animal species, including nonhuman primates. during the 2003-2004 dry seasons at the beza mahafaly special reserve, madagascar, we observed wild ring-tailed lemurs (lemur catta) consuming dried fecal matter from three different species. ring-tailed lemurs consumed human feces on 12 occasions, cattle feces twice, and feral dog feces once. coprophagy in this population may be a behavioral adaptation that provides animals access to energy and nutrients and may be an ... | 2007 | 17253614 |
| resource allocation in public hospitals: is it effective? | the allocative inefficiency is a fundamental flaw in the public hospitals of the developing countries. the inefficiencies drain the limited public resources allotted for healthcare. sri lanka's public health system faces worsening budget constraints. the resource allocation practices of the ministry of health focus on increasing the cadre of hospital staff, consequently crowding out the investments on facility development. the purpose of the study is to assess the impact of resource allocation i ... | 2007 | 16678297 |
| determining areas that require indoor insecticide spraying using multi criteria evaluation, a decision-support tool for malaria vector control programmes in the central highlands of madagascar. | the highlands of madagascar present an unstable transmission pattern of malaria. the population has no immunity, and the central highlands have been the sites of epidemics with particularly high fatality. the most recent epidemic occurred in the 1980s, and caused about 30,000 deaths. the fight against malaria epidemics in the highlands has been based on indoor insecticide spraying to control malaria vectors. any preventive programme involving generalised cover in the highlands will require very ... | 2007 | 17261177 |
| cytotoxic triterpenoid saponins of albizia gummifera from the madagascar rain forest. | bioassay-guided fractionation of an etoh extract obtained from the roots of the madagascan plant albizia gummifera led to the isolation of three new cytotoxic oleanane-type triterpenoid saponins, gummiferaosides a-c (1-3). the structures of these new compounds were elucidated using 1d and 2d nmr experiments and mass spectrometry. compounds 1-3 showed cytotoxicity against the a2780 human ovarian cancer cell line with ic50 values of 0.8, 1.5, and 0.6 microg/ml, respectively. | 2007 | 17263578 |
| microsatellites reveal extensive geographical, ecological and genetic contacts between invasive and indigenous whitefly biotypes in an insular environment. | human-mediated bioinvasions provide the opportunity to study the early stages of contact between formerly allopatric, divergent populations of a species. however, when invasive and resident populations are morphologically similar, it may be very difficult to assess their distribution in the field, as well as the extent of ecological overlap and genetic exchanges between invasive and resident populations. we here illustrate the use of data obtained from a set of eight microsatellite markers toget ... | 2006 | 16709274 |
| health aspects of disaster preparedness and response--panel session 3: industrial accidents, conflicts, and other emergencies. | this panel session consisted of three country reports (democratic people's republic of korea; sri lanka; and timor-leste) and the common issues identified during the panel discussions relative to industrial accidents and conflicts in the southeast asia region. important issues identified included the needs for: (1) use of medical technology; (2) stockpiling of essential supplies; (3) human resource development; (4) surveillance systems for disease detection; (5) coordination; and (6) emergency f ... | 2006 | 17297913 |
| adaptation of archaeological techniques in forensic mass grave exhumation: the experience of 'chemmani' excavation in northern sri lanka. | there have been several mass grave excavations in sri lanka during the period of 1995 to 1998. excavation of mass graves in the chemmani area of northern peninsula of the country took place in september 1999, after about 5 years of the incident. six graves with 1 to 6 bodies in each were identified and excavated in accordance with archaeological methods modified to suit the requirements of forensic exhumations. the experience gathered from excavation of those sites revealed the importance of arc ... | 2006 | 17315586 |
| pcr detection and typing of human papilloma virus dna in squamous carcinoma of the cervix in a cohort of sri lankan women. | to determine the prevalence of human papilloma virus (hpv) types 16 and 18 in squamous carcinomas of the cervix in sri lanka. | 2006 | 17315590 |
| mass fatality management following the south asian tsunami disaster: case studies in thailand, indonesia, and sri lanka. | following natural disasters, mismanagement of the dead has consequences for the psychological well-being of survivors. however, no technical guidelines currently exist for managing mass fatalities following large natural disasters. existing methods of mass fatality management are not directly transferable as they are designed for transport accidents and acts of terrorism. furthermore, no information is currently available about post-disaster management of the dead following previous large natura ... | 2006 | 16737348 |
| antiproliferative xanthones of terminalia calcicola from the madagascar rain forest. | a bioassay-guided fractionation of the etoh extract of the madagascan plant terminalia calcicola led to the isolation of two new cytotoxic xanthones, termicalcicolanone a (1) and termicalcicolanone b (2). the structures of the new compounds were established on the basis of one- and two-dimensional nmr spectroscopic data. both compounds showed modest antiproliferative activity toward the a2780 human ovarian cancer cell line. | 2007 | 17323994 |
| how effective were mangroves as a defence against the recent tsunami? | whether or not mangroves function as buffers against tsunamis is the subject of in-depth research, the importance of which has been neglected or underestimated before the recent killer tsunami struck. our preliminary post-tsunami surveys of sri lankan mangrove sites with different degrees of degradation indicate that human activity exacerbated the damage inflicted on the coastal zone by the tsunami. | 2005 | 15964259 |
| seroprevalence of varicella zoster virus infections in colombo district, sri lanka. | although varicella zoster virus (vzv) infections occur worldwide, the epidemiology is remarkably different in tropical and temperate climates. vzv infections result in significant morbidity and mortality among adults in sri lanka. | 2007 | 17337813 |
| guttiferones k and l, antiproliferative compounds of rheedia calcicola from the madagascar rain forest. | bioassay-guided fractionation of the ethanol extract obtained from the fruits of rheedia calcicola led to the isolation of two new guttiferone analogues, guttiferones k (1) and l (16-hydroxyguttiferone k) (2). the structures of 1 and 2 were established on the basis of extensive interpretation of one- and two-dimensional nmr spectroscopic data. both compounds were tested for their antiproliferative activity against the a2780 human ovarian cancer cell line. | 2007 | 17348706 |
| tree structure and diversity in human-impacted littoral forests, madagascar. | this research surveyed human-impacted littoral forests in southeastern madagascar to determine (i) how forest structural features, indicative of human impact, are related to total, utilitarian, and endemic tree diversity; (ii) the distribution, abundance, and demographics of tree species groups (i.e., total, useful, endemic) across the landscape; and (iii) the amount of basal area available per human use category. we also use these data to consider issues of sustainable use and how human impact ... | 2005 | 15977086 |
| medical support to sri lanka in the wake of tsunamis: planning considerations and lessons learned. | when massive tsunamis affected the coast of sri lanka and other indian ocean littorals, elements of the third force service support group and assigned navy, air force, army, and coast guard units from the u.s. pacific command were "task organized" to form combined support group-sri lanka (csg-sl), charged to conduct humanitarian assistance/disaster relief (ha/dr) operations. the specific mission was to provide immediate relief to the affected population of sri lanka and the maldives, to minimize ... | 2006 | 17447616 |
| low-level exposure to organophosphate pesticides leads to restrictive lung dysfunction. | apart from symptomology, there are very few reports on lung function following exposure to low levels of organophosphate (op) pesticides in man. twenty-five occupationally exposed farmers and 22 environmentally exposed freshwater fishermen were evaluated between and during op spray seasons. forty marine fishermen living away from agricultural areas were recruited as a control group. forced vital capacity (fvc) and forced expiratory volume in the first second (fev(1)) were measured by spirometry. ... | 2005 | 16102957 |
| [diagnosis of malaria in antananarivo city: examination of the results obtained at the institut pasteur de madagascar from 2001 to 2004]. | malaria diagnosis is part of the daily activities of the clinical biology center (cbc) of the institut pasteur de madagascar in antananarivo. over a period of four years (2001-2004), regardless the methods being used, out of 6537 blood samples examined, 159 (2.43%) tests were positive. all four species of plasmodium infecting human. were detected with a high prevalence of p. falciparum (87.2%). 49/159 patients were foreigners, but their files did not allow us to distinguish imported from locally ... | 2006 | 16983826 |
| a frequent large rearrangement in the cftr gene in cystic fibrosis patients from reunion island. | reunion island is a french province, 800 km east of madagascar and 200 km west of mauritius. on reunion island, the birth prevalence of cystic fibrosis (cf) is particularly high in the population of european origin, approximately 1:1000. in a previous study, we demonstrated that the screening of the 27 exons of the cf transmembrane conductance regulator (cftr) gene by denaturing high-pressure liquid chromatography (dhplc) in 114 cf families allowed the detection of about 93% of the molecular def ... | 2006 | 17020473 |
| [epidemiological surveillance for infectious diseases and humanitarian emergencies]. | a disaster both natural and man made is managed in time according to separate phases that respond to specific requirements and needs. in the late and post emergency phases problems of public health are priority and in particular the identification and containment of epidemic clusters. epidemiological surveillance is the main instrument used and in this paper it is analysed both in theory and in its application in the italian red cross mission in sri lanka devastated by the 2004 tsunami. | 2007 | 17598992 |
| characterization of reemerging chikungunya virus. | an unprecedented epidemic of chikungunya virus (chikv) infection recently started in countries of the indian ocean area, causing an acute and painful syndrome with strong fever, asthenia, skin rash, polyarthritis, and lethal cases of encephalitis. the basis for chikungunya disease and the tropism of chikv remain unknown. here, we describe the replication characteristics of recent clinical chikv strains. human epithelial and endothelial cells, primary fibroblasts and, to a lesser extent, monocyte ... | 2007 | 17604450 |
| [emerging infectious diseases: the example of the indian ocean chikungunya outbreak (2005-2006)]. | factors known to trigger the emergence or re-emergence of infectious diseases include globalisation, population growth, migration, international trade, urbanisation, forest destruction, climate change, loss of biodiversity, poverty, famine and war. epidemics not only lead to disastrous loss of human life but may also have catastrophic economic, political and social consequences. outbreaks may rapidly jeopardize industry, trade or tourism in countries that are unprepared. dengue is currently spre ... | 2007 | 17645111 |
| bioethics in sri lanka. | bioethics took off slowly in sri lanka, but now there are ethics review committees in many medical schools and national organizations. all medical schools teach some medical ethics but there are not enough trained teachers. there are no national guidelines on research ethics. the forum for research and development was formed with the aim of building a new ethical research culture. the bioethics initiative includes: awareness-raising; education activities and capacity building; advocacy; and the ... | 2006 | 17037692 |
| biomedical evaluation of free-ranging ring-tailed lemurs (lemur catta) in three habitats at the beza mahafaly special reserve, madagascar. | complete physical examinations and biomedical sample collection were performed on 70 free-ranging ring-tailed lemurs (lemur catta) from three different habitats in the beza mahfaly special reserve (bmsr), in southern madagascar, to assess the impact of humans and habitat on lemur health. lemurs were chemically immobilized with ketamine and diazepam administered via blow darts for concurrent biomedical, morphometric, and behavioral studies. subsets of the animals had blood analyzed for hematology ... | 2007 | 17679503 |
| reducing vector-borne disease by empowering farmers in integrated vector management. | irrigated agriculture exposes rural people to health risks associated with vector-borne diseases and pesticides used in agriculture and for public health protection. most developing countries lack collaboration between the agricultural and health sectors to jointly address these problems. | 2007 | 17768506 |
| hla-drb1 frequencies of the comorian population and their genetic affinities with sub-saharan african and indian oceanian populations. | ethnic-historic sources have considered the comorian population to be the result of an amalgamation of african, arabian and southeast asian groups. | 2006 | 17092866 |
| cytotoxic compounds of physena madagascariensis from the madagascar rain forest paragraph sign. | two new flavanones, remangiflavanones d and e (1 and 2), were isolated from an extract of the twigs, leaves, and flowers of physena madagascariensis together with three known flavanones, remangiflavanones a-c (3-5), and (e)-n-feruloyltyramine (6). the structures of the new compounds 1 and 2 were established on the basis of one-dimensional and two-dimensional nmr spectroscopic data interpretation. all compounds were evaluated for their cytotoxicity in the a2780 human ovarian cancer cell line. com ... | 2006 | 17127502 |
| revisiting rabies in japan: is there cause for alarm? | since 1957 japan has successfully eradicated human and animal rabies through registration, confinement and compulsory vaccination of family dogs, and elimination of stray dogs. however, in november 2006, two cases of human rabies infections were reported in the country. these patients were bitten by dogs during travel in the philippines, and did not receive pre- and post-exposure prophylaxes. with the mounting numbers of japanese travelers every year, the risk of infection increases especially t ... | 2007 | 17870631 |
| studies on sporozoite-induced and chronic infections with plasmodium fragile in macaca mulatta and new world monkeys. | plasmodium fragile continues to be investigated because of its biologic similarities to the human malaria parasite, plasmodium falciparum. two strains of p. fragile are available for study; one strain is able to infect mosquitoes, whereas the other strain is transmissible only by blood inoculation. the sri lanka strain of p. fragile was transmitted to macaca mulatta, macaca fascicularis, aotus lemurinus griseimembra, aotus nancymaae, aotus vociferans, and saimiri boliviensis monkeys via sporozoi ... | 2006 | 17152944 |