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identification and characterization of shigella boydii 20 serovar nov., a new and emerging shigella serotype.analysis of 163 putative shigella isolates from canada and the usa showed biochemical reactions consistent with shigella species, although none of the isolates reacted with antiserum raised against any of the well-established or provisional shigella serotypes. all these isolates, provisionally designated serotype sh108, were positive for the ipah gene and the invasion-associated locus. all fermented mannitol, were serologically indistinguishable from each other and showed no reaction in antisera ...200516014427
structural and genetic characterization of the shigella boydii type 18 o antigen.shigella strains are important human pathogens and are normally identified by their o antigens. o antigen is an essential part of the lipopolysaccharide present in the outer membrane of gram-negative bacteria and plays a role in pathogenicity. structural and genetic organization of the shigella boydii type 18 o antigen was investigated. as judged by sugar and methylation analyses and nmr spectroscopy data, the o antigen has a linear pentasaccharide repeating unit (o unit), which consists of thre ...200516055280
molecular analysis of shigella boydii o1 o-antigen gene cluster and its pcr typing.shigella is an important human pathogen and is closely related to escherichia coli. o-antigen is the most variable part of the lipopolysaccharide on the cell surface of gram-negative bacteria and plays an important role in pathogenicity. the o-antigen gene cluster of s. boydii o1 was sequenced. the putative genes encoding enzymes for rhamnose synthesis, transferases, o-unit flippase, and o-unit polymerase were identified on the basis of homology. the o-antigen gene clusters of s. boydii o1 and e ...200516088333
[dysentery in poland in 2003].the notified number of dysentery cases is the lowest in this century and even every year decreasing. only 75 cases were notified in the year 2003 (incidence rate 0.20/100 000 population) while 220 cases were registered in 2002 (incidence 0.58/100 000 population). no one death case was notified. the last three death cases were notified in 1999. only one outbreak of dysentery (due to s. flexneri 2a) was registered involving 23 patients/111 residents of social home for mentally disabled men. source ...200516190529
the epidemiology of travel-associated shigellosis--regional risks, seasonality and serogroups.to give a detailed risk estimate of contracting travel-associated shigellosis in various regions of the world.200516230220
genome dynamics and diversity of shigella species, the etiologic agents of bacillary dysentery.the shigella bacteria cause bacillary dysentery, which remains a significant threat to public health. the genus status and species classification appear no longer valid, as compelling evidence indicates that shigella, as well as enteroinvasive escherichia coli, are derived from multiple origins of e.coli and form a single pathovar. nevertheless, shigella dysenteriae serotype 1 causes deadly epidemics but shigella boydii is restricted to the indian subcontinent, while shigella flexneri and shigel ...200516275786
comparison of conventional culture methods and fta filtration-nested pcr for the detection of shigella boydii and shigella sonnei on tomato surfaces.detection of shigella boydii ui02 and shigella sonnei ui05 artificially inoculated onto tomatoes was evaluated using enrichment protocols of the u.s. food and drug administration's bacteriological analytical manual (bam) and the american public health association's compendium of methods for the microbiological examination of food (cmmef), enrichment in enterobacteriaceae enrichment (ee) broth supplemented with 1.0 microg/ml novobiocin and incubated at 42 degrees c, and fta filtration-nested pcr. ...200521132967
circadian properties of the rhythmic system in individual nucleated and enucleated cells of acetabularia mediterranea. 20051248525
the forgotten treatment modality in bipolar illness: psychotherapy.the author presents 31 bipolar patients treated with combined lithium prophylaxis and psychotherapy for up to 41 months. the grave prognosis of untreated bipolar illness is reviewed. the improved prognosis with lithium prophylaxis alone is reviewed. the author demonstrates an improved prognosis when lithium prophylaxis is combined with psychotherapy and discusses his findings as to why lithium prophylaxis alone still predicts a grave outcome.20051183307
editorial: who owns your medical records? 20051262726
anti-bacterial alkaloids of saracococca saligna.the crude ethanolic extract of saracococca saligna was found to be cytotoxic and antibacterial but produced no platelet aggregation induced by adp. antibacterial activity of two known alkaloid, pachyaximine-a and saracodine was determined. pachyaximine-a possessed significant antibacterial activity against escherichia coli, staphylococcus aureus, corynebacterium diphtheriae and corynebacterium pyrogenes. saracodme showed moderate activity against staphylococcus pyrogenes, escherichia coli, staph ...200516431389
[lipid and mineral metabolism and morbidity with temporary loss of work capacity in miners].examination is performed on 87 miners from mine for copper production subject to intensive local vibrations with average rate of increase (k) of the norms for the individual octave frequencies 2.4 times for 3 h exposure of the working shift, as well as to intensive noise--113-115 db/a equivalent level, general dust--23 mg/m3, fine dust--3.5 mg/m3 and fine quartz--0.43 mg/m3. there are data for vibration effect--changes in the cold test, vibration sensoriness, ultra sound sonometry, in all miners ...20051364539
neonatal tetanus: a developmental follow-up study. 20051278947
working together for our future. 20051065213
[functional and radiological aspects of the coronary venous phase]. 2005548099
influence of portocaval anastomosis on lipid parameters in patients with alcoholic cirrhosis.the effect of portocaval shunt operation on lipid metabolism was investigated in 10 patients with alcoholic cirrhosis. portocaval shunt operation resulted in a significant decrease of concentration of total serum cholesterol, total serum triglycerides, ldl cholesterol, vldl cholesterol, vldl triglycerides, and lcat activity. the concentrations of free cholesterol, esterified cholesterol, phospholipids, ldl triglycerides, hdl cholesterol, and hdl triglycerides were unaffected.2005547323
[lesion of the collateral ulnar ligament of the thumb]. 2005546527
[continuous noninvasive recording of circulatory parameters while performing the valsalva test under elevated ambient pressure].the results are presented which confirm applicability of the valsalva test as a functional exercise for the cardiovascular system while studying changes of the circulation regulation under high ambient pressure. methods of transthoracic tetrapolar impedance plethysmography, electro- and intervalocardiography and mean arterial pressure measurement by means of the oscillometric servosystem are shown as adequate and highly informative under these conditions.20051790814
[health economics--stopgap measures are no decisions. interview by kaj nyman]. 20062095080
pancreatic apudomas. 20062885951
[major hypereosinophilia disclosing colonic cancer]. 20061533927
decreased monocyte-induced angiogenesis in scleroderma. 20061698391
modeling of therapeutic dialysis of cerebrospinal fluid by epidural cooling in spinal cord injuries.paraplegias of traumatic origin may be classified as primary or secondary. secondary traumatic paraplegia (stp) is believed to result from an autodestructive process. different authors have published results supporting or contradicting the therapeutic effects of durotomy alone or associated with exposed spinal cord and perfusion with a saline solution at normal or cold temperatures. it appears that although decompression and open dialysis might be beneficial, the surgical trauma over the injured ...20063225857
genomic compositions and phylogenetic analysis of shigella boydii subgroup.comparative genomic hybridization (cgh) microarray analysis was used to compare the genomic compositions of all eighteen shigella boydii serotype representative strains. the results indicated the genomic "backbone" of this subgroup contained 2552 orfs homologous to nonpathogenic e. coli k12. compared with the genome of k12199 orfs were found to be absent in all s. boydii serotype representatives, including mainly outer membrane protein genes and o-antigen biosynthesis genes. yet the specific orf ...200616544575
immunocapture uppcr combined with dgge for rapid detection of shigella species.to develop an immunocapture universal primer pcr (iuppcr) combined with denaturing gradient gel electrophoresis (dgge) and evaluate it as a method permitting rapid detection of shigella species and their serotypes.200616553735
[case study reports, no. 181 (society for scientific nursing)]. 20061764935
[obesity. various aspects in daily practice].overweight and obesity are the most often encountered disease conditions in general practice. recent evidence of the importance of fat distribution is discussed. the basic therapeutic approach for the most effective therapy of obesity is probably the combination of a dietary (hypocaloric), a behavioral and a physical activity approach. in this general overview the physiologic background of abdominal obesity and some selected therapeutic implications are discussed.20061594849
estimating the probability of spontaneous abortion in the presence of induced abortion and vice versa.an integrated approach to estimate the total number of pregnancies that begin in a population during one calendar year and the probability of spontaneous abortion is described. this includes an indirect estimate of the number of pregnancies that result in spontaneous abortions. the method simultaneously takes into account the proportion of induced abortions that are censored by spontaneous abortions and vice versa in order to estimate the true annual number of spontaneous and induced abortions f ...20061594736
asbestos: the turbulent interface between science and policy. 20061489439
health checks on patients 75 years and over in nottinghamshire after the new gp contract.to investigate annual health checks for patients of 75 years and over required by the 1990 contract for general practitioners.20061393076
on the regulation of collagen-fibril shape and form. 20061794563
transcatheter management of pseudoaneurysms complicating pancreatitis.hemorrhage from rupture of an arterial pseudoaneurysm is a potentially fatal complication of pancreatitis. seventeen patients underwent transcatheter embolization of 23 arteries for the treatment of 20 arterial pseudoaneurysms secondary to pancreatitis. their records were reviewed retrospectively to evaluate the clinical benefit of transcatheter therapy. at presentation, 15 of the 17 patients had gastrointestinal, intrasplenic, retroperitoneal, intraperitoneal, or postoperative wound bleeding. t ...20061797219
transcatheter management of pseudoaneurysms complicating pancreatitis.hemorrhage from rupture of an arterial pseudoaneurysm is a potentially fatal complication of pancreatitis. seventeen patients underwent transcatheter embolization of 23 arteries for the treatment of 20 arterial pseudoaneurysms secondary to pancreatitis. their records were reviewed retrospectively to evaluate the clinical benefit of transcatheter therapy. at presentation, 15 of the 17 patients had gastrointestinal, intrasplenic, retroperitoneal, intraperitoneal, or postoperative wound bleeding. t ...20061797219
antifungal and antibacterial activities of mexican tarragon (tagetes lucida).mexican tarragon (tagetes lucida cv. asteraceae: campanulatae) is an important, nutritious plant and an effective herbal medicine. seven coumarins, 7,8-dihydroxycoumarin (4), umbelliferone (7-hydroxycoumarin) (5), scoparone (6,7-dimethoxycoumarin) (7), esculetin (6,7-dihydroxycoumarin) (11), 6-hydroxy-7-methoxycoumarin (12), herniarin (7-methoxycoumarin) (13), and scopoletin (6-methoxy-7-hydroxycoumarin) (14), and three flavonoids, patuletin (18), quercetin (19), and quercetagetin (20), were iso ...200619127719
high prevalence of antimicrobial resistance among shigella isolates in the united states tested by the national antimicrobial resistance monitoring system from 1999 to 2002.shigella spp. infect approximately 450,000 persons annually in the united states, resulting in over 6,000 hospitalizations. since 1999, the national antimicrobial resistance monitoring system (narms) for enteric bacteria has tested every 10th shigella isolate from 16 state or local public health laboratories for susceptibility to 15 antimicrobial agents. from 1999 to 2002, narms tested 1,604 isolates. among 1,598 isolates identified to species level, 1,278 (80%) were shigella sonnei, 295 (18%) w ...200616377666
salmonella and shigella in freshly squeezed orange juice, fresh oranges, and wiping cloths collected from public markets and street booths in guadalajara, mexico: incidence and comparison of analytical routes.a survey of the presence of salmonella and shigella in freshly squeezed orange juice and related samples was conducted in guadalajara, mexico. one hundred samples of freshly squeezed orange juice were collected from 49 street booths and 51 small food service establishments. in addition, 75 fresh orange samples, each consisting of five orange units, and 75 wiping cloths were collected from the same establishments from which juice had been collected. salmonella was isolated from 14, 20, and 23% of ...200617133801
xylose utilization and short-chain fatty acid production by selected components of the intestinal microflora of a rodent pollinator (aethomys namaquensis).namaqua rock mice (aethomys namaquensis) consume nectar xylose when visiting protea flowers. whole-animal metabolism studies suggest that the gastrointestinal microflora plays an important role in xylose metabolism in a. namaquensis. we collected caecal contents under anaerobic conditions, cultured caecal microflora both aerobically and anaerobically, and assessed caecal microbial xylose utilization using a (14)c-xylose incubation assay. all four mice sampled hosted culturable caecal micro-organ ...200616676189
structural and molecular characterization of shigella boydii type 16 o antigen.shigella is a well-known human pathogen causing dysentery and their typing is solely based on the o antigens. we investigated the chemical structure and gene cluster of shigella boydii type 16 o antigen. as judged by sugar and methylation analyses along with nmr spectroscopy data, the o antigen has an o-acetylated branched pentasaccharide repeating o unit, which consists of two d-mannose residues (d-man), one residue each of d-glucuronic acid (d-glca), n-acetylglucosamine (d-glcnac) and d-galact ...200616859842
increasing single and multi-antibiotic resistance in shigella species isolated from shigellosis patients in sana'a, yemen.the epidemiology and antibiotic susceptibility of shigella species changes over time. updated susceptibility knowledge is necessary for appropriate empirical antibiotic treatment. thus, this research aimed to study these changes in 2 time periods with an interval of 10 years.200616883444
characterization of shigella strains in iran by plasmid profile analysis and pcr amplification of ipa genes.to characterize shigella clinical strains, we studied 82 shigella strains recovered from 719 stool samples of patients with bloody diarrhea in shiraz, iran, over the period from april to october 2003. serological assay classified the shigella isolates as follows: 61 (74.39%) shigella sonnei isolates, 16 (19.51%) shigella flexneri isolates, 3 (3.65%) shigella boydii isolates, and 2 (2.43%) shigella dysenteriae isolates. in an antibiogram test, all shigella strains were susceptible to ceftazidime, ...200616891506
non-steroidal anti-inflammatory drugs have bacteriostatic and bactericidal activity against helicobacter pylori.helicobacter pylori infection and non-steroidal anti-inflammatory drugs (nsaids) are each associated with gastrointestinal mucosal damage, but the extent and direction of their interactions remain controversial. therefore, the purpose of the present paper was to examine whether specific nsaids inhibit the growth of helicobacter pylori in vitro.200616911681
structural and genetic characterization of shigella boydii type 17 o antigen and confirmation of two new genes involved in the synthesis of glucolactilic acid.shigella strains are human pathogens and normally identified based on their o antigens. the chemical structure and gene cluster of shigella boydii type 17 o antigen were studied. as judged by sugar and methylation analyses along with nmr spectroscopy data, the o antigen of s. boydii type 17 has a linear trisaccharide o unit, which consists of two residues of n-acetylgalactosamine (galnac) and a 4-o-[(r)-1-carboxyethyl]-d-glucose (glucolactilic acid). the o antigen gene cluster of s. boydii type ...200616930547
development of a serotype-specific dna microarray for identification of some shigella and pathogenic escherichia coli strains.shigella and pathogenic escherichia coli are major causes of human infectious diseases and are responsible for millions of cases of diarrhea worldwide every year. a convenient and rapid method to identify highly pathogenic serotypes of shigella and e. coli is needed for large-scale epidemiologic study, timely clinical diagnosis, and reliable quarantine of the pathogens. in this study, a dna microarray targeting o-serotype-specific genes was developed to detect 15 serotypes of shigella and e. col ...200617021058
distribution of shigella enterotoxin genes and secreted autotransporter toxin gene among diverse species and serotypes of shigella isolated from andaman islands, india.we studied the prevalence and distribution of the newly described genes for shigella enterotoxins (shet1 and shet2, encoded by set and sen genes) and secreted auto-transporter toxin (encoded by sat gene) in clinical isolates from the andaman islands, india. a total of 153 shigella isolates obtained from hospitalized patients during 1994-2004 were analysed. these isolates included all the four species of shigella (s. dyseteriae-29, s. flexneri-75, s. sonnei-38, s. boydii-5) that belonged to diver ...200617054749
serological cross-reactivity of environmental isolates of enterobacter, escherichia, stenotrophomonas, and aerococcus with shigella spp.-specific antisera.using protocols designed for the isolation of shigella from environmental freshwater samples from different regions of bangladesh, 11 bacterial strains giving rise to shigella-like colonies on selective agar plates and showing serological cross-reaction with shigella-specific antisera were isolated. phylogenetic analyses revealed that three of the isolates were most closely related to escherichia coli, four to enterobacter sp., two to stenotrophomonas, and two isolates belonged to the gram-posit ...200717171463
extended-spectrum beta-lactamase-producing shigella strains in israel, 2000-2004.routine susceptibility testing of 5,616 shigella isolates at the national shigella reference centre in israel over a 5-year period (2000-2004) revealed resistance to ceftriaxone in one strain of shigella boydii 2 and in two strains each of shigella flexneri 2a, s. flexneri 6, and shigella sonnei. all seven isolates were confirmed as producers of extended-spectrum beta-lactamase (esbl) by the combination disk method, the vitek 1 system, and a modification of the double-disk synergy test, which is ...200717265070
identification of a group of shigella-like isolates as shigella boydii 20.infections by shigella species are an important cause of diarrhoeal disease worldwide. of 4198 shigella isolates received by the french national reference centre for escherichia coli and shigella, 180 from patients with diarrhoea and dysentery in 2000-2004 did not react with any available polyclonal rabbit antisera used to identify the established shigella serogroups. this study describes the molecular and phenotypic characteristics of these isolates in seroagglutination tests, molecular serotyp ...200717510258
escherichia coli, shigella and salmonella species in acute diarrhoea in hamedan, islamic republic of iran.this study investigated the frequency of escherichia col, shigella and salmonella species in stool specimens from patients with diarrhoea presenting to health centres in hamedan province, islamic republic of iran. from 144 samples, shigella strains were isolated in 17 cases (11.8%): 10 sh. flexneri, 3 sh. sonnei, 2 sh. boydii and 2 untyped strains. no salmonella strains were isolated. using molecular diagnostic methods, diarrheogenic e. coli were detected in 37 cases (25.7%), the majority were e ...200717684844
synthesis and structure-activity relationship of 7-(substituted)-aminomethyl-4-quinolone-3-carboxylic acid derivatives.gram-positive organisms have re-emerged as the major hospital pathogens, which make the unmet medical needs for antibacterial therapy even worse. in searching for potent agents against gram-positive pathogens, novel 7-(substituted)-aminomethyl-quinolone-3-carboxylic acids were designed, synthesized, and evaluated for their antibacterial activities in vitro. many 7-monoarylaminomethyl derivatives exhibited high potency against gram-positive organisms compared to reference agents: vancomycin and p ...200717826097
inactivation of shigella boydii 18 idph and listeria monocytogenes scott a with power ultrasound at different acoustic energy densities and temperatures.the effect of acoustic energy density (aed) on inactivation of shigella boydii 18 idph and listeria monocytogenes scott a in a cell suspension was studied at sublethal temperatures and at aeds of 0.49, 0.85, and 1.43 w/ml. the effect of temperature on ultrasonic inactivation of l. monocytogenes scott a at 35, 50, and 65 degrees c was examined at an aed of 1.43 w/ml. increasing aed increased the rate of inactivation for both s. boydii and l. monocytogenes. the destruction of s. boydii and l. mono ...200717995776
[identification of closely related bacteria via phylogenetic methods].to differentiate closely related pathogenic bacteria via phylogenetic method on the basis of gyrb gene sequences.200718067224
shigella isolates of nepal: changes in the incidence of shigella subgroups and trends of antimicrobial susceptibility pattern.shigellosis is an important cause of bloody diarrhoea in all age groups, especially in children. a retrospective study was done to analyse the pattern of shigella isolates and the antimicrobial susceptibility trend of these shigella isolated at different hospitals of nepal from jan, 2003- dec, 2005.200718603983
bacteriological methods in diagnosis of tuberculous meningitis. 20073771495
esophageal function and dysfunction. 20071951923
n-nitroso compounds, genotoxins and their precursors in gastric juice from humans with and without precancerous lesions of the stomach.we are investigating the interrelationships between levels of total n-nitroso compounds (noc), genotoxic activity (both before and after nitrosation), degree of bacterial colonization in gastric juice and degree of severity or absence of precancerous lesions of the stomach. the mean level of constitutive total noc in gastric juice was similar in the different groups of patients, but it was higher in acidic gastric juice (n = 30) than in gastric juice at ph greater than 4.5 (n = 12). acid-catalys ...20071855844
inhibition by anti-cd2 monoclonal antibodies of anti-cd3-induced t cell-dependent b cell activation.anti-cd3 mab can activate t cells to help in b cell activation as detected by late events, such as maturation of b cells into ig-secreting cells (igsc), or by early events, such as b cell surface expression of the activation marker cd23. two different anti-cd2 mab each inhibited anti-cd3-induced t cell-dependent b cell activation in a dose-dependent fashion. neither irradiation of the t cells prior to culture nor depletion of cd8+ cells abrogated the inhibitory effects of anti-cd2 mab. despite t ...20071976440
in the aftermath: health care in kuwait city. 20071865865
[the structure and absolute configuration of isorupestonic acid from artemisia rupestris l].a new sesquiterpene compound named isorupestonic acid was isolated from artemisia rupestris and its absolute stereostructure was elucidated as 3b by spectral and x-ray crystallographic methods. interestingly, the isorupestonic acid is based upon an unusual 6, 7 membered ring skeleton differing from the 5, 7 membered ring rupestonic acid although both have the same absolute configuration at c-1. the biogenesis of isorupestonic acid most likely involves breaking the c4-c5 bond of rupestonic skelet ...20071805508
olfactory dysfunction in parkinson's disease.an olfactory function test in 18 patients with parkinson's disease (pd) and 10 age-matched control subjects was performed. both detection and recognition thresholds were measured with five kinds of synthesized odorants (t & t olfactometry). before each test, rhinoscopic inspections were performed to exclude subjects who could have respiratory hyposmia. both detection and recognition thresholds in patients with pd were significantly elevated in comparison with those of control subjects. auditory ...20071852411
replantation in children.the authors have replanted 162 parts in 120 children over the past 15 years. the youngest patient, undergoing successful replantation, was aged 7 months, 3 weeks. unlike an adult, any child suffering a traumatic amputation should be considered for a possible replantation. replantation should consist of minimal bone shortening to preserve epiphyseal plates, with repair of all severed structures. longitudinal k-wires usually provide adequate fixation. our survival rate for complete replantation in ...20071865815
[anxiety and the presence of the father at childbirth].the authors give a report of a follow-up the anxiety of 363 couples whereby the husband decided to be present at the childbirth and took part in the childbirth preparation courses. the anxiety state and anxiety trait in men was found to be significantly lower than in women. the data of women were compared to a matched control group consisting of 135 pregnant women. in cases where the husband was present at childbirth the anxiety state and anxiety trait of the women was considerably lower than in ...20072652033
a new role for radiologists in the development of cardiac surgery. 20071950902
nonsquamous tumors of the head and neck in the geriatric population.thyroid tumors, salivary gland tumors, and non-hodgkin's lymphoma are described. psychosocial issues involving the geriatric patient are discussed. case reports of a number of geriatric tumor patients are included.20072074986
[problem of clinico-roentgenological diagnosis of acute pneumonia in infants in their first few months of life].studies into the problems of diagnosing pneumonia in children of the first months of life carried out for many years have shown that pneumonia may be referred to the diseases with indefinite diagnostic criteria. in view of this fact the x-raying of the chest should be regarded as a method of varifying the diagnosis of pneumonia. the roentgenographic findings should be estimated bearing in mind the presence or lack of a syndrome such as bronchial obstruction and the epidemiological anamnesis data ...20072075041
[mr tomography of aneurysmal bone cyst].the preoperative findings of magnetic resonance imaging (mri) in six histology-proven aneurysmal bone cysts (abc) are examined and compared with previous publications concerning mri of abc. the signal intensities differ considerably, and not all of our cases conform with the literature data. they can be summarised in three different subheadings: one form that is very inhomogeneous in t1- and t2-weighting, with fluid-fluid levels in the cystic spaces; one intermediate form without fluid-fluid lev ...20071932722
age, sex, and region adjusted concentrations of chromium and nickel in lung tissue.chromium (cr) and nickel (ni) concentrations were measured in lung tissue from 110 random necropsies by means of atomic absorption spectrometry. the subjects originated from the ruhr district (bochum (71 cases) and dortmund (16 cases) areas), which has been defined as a particular pollution area with locally high cr and ni emissions, and from münster and vicinity (23 cases). the cr and ni concentrations in lung tissue of the subjects from the ruhr district (3.09 (sd 2.99) micrograms cr/g, 0.65 ( ...20072223660
age, sex, and region adjusted concentrations of chromium and nickel in lung tissue.chromium (cr) and nickel (ni) concentrations were measured in lung tissue from 110 random necropsies by means of atomic absorption spectrometry. the subjects originated from the ruhr district (bochum (71 cases) and dortmund (16 cases) areas), which has been defined as a particular pollution area with locally high cr and ni emissions, and from münster and vicinity (23 cases). the cr and ni concentrations in lung tissue of the subjects from the ruhr district (3.09 (sd 2.99) micrograms cr/g, 0.65 ( ...20072223660
tissue integration of a12o3-ceramic dental implants (frialit)--a case report.the tissue intraosseous integration of a12o3-ceramic dental implants (frialit) is studied in a patient case, where an implant-fracture made it necessary to remove the implant from a patient's jaw. the surgical removing of the apical part of the implant with the use of a trepan bur made it possible to examine and visualize histologically and microradiographically the tissue adjacent to the implant. the results of both the histological and microradiographical studies showed that a good healing and ...20072374995
somatostatin receptor incidence and distribution in breast cancer using receptor autoradiography: relationship to egf receptors.somatostatin receptors (ss-r) were measured with in vitro receptor autoradiography using the ss analog 125i-[tyr3]-sms 201-995 as radioligand in 342 breast-tumor samples. in a group of 158 "small" tumor samples (mean section surface: 14 mm2 +/- 0.4; mean +/- sem), 34 tumors (21%) were ss-r positive. in a group of 72 "large" tumor samples (mean size: 180 mm2 +/- 8; mean +/- sem), 33 tumors (46%) were ss-r positive. in this second group, more than half of the tumors had a non-homogeneous distribut ...20072168344
perfusion characteristics of hepatic cavernous hemangioma using intravenous ct angiography (ivcta).thirty-three patients with 35 proven hepatic cavernous hemangiomas (hch) were studied with intravenous ct angiography (ivcta). 15 scans were performed during the first 30 s after bolus (6 ml/s) injection of 50 ml iodinated contrast material. thereafter 2 scans/min were obtained up to 30 min. three criteria were utilized at ivcta to make a specific diagnosis of hch: (1) detection of an intense mural nodular enhancement in the arterial phase. the density in the nodular region(s) should have a dens ...20071855518
[specificity of autoantibodies discovered in pemphigus and in the bullous variety of duhring-brocq disease]. 20074250902
surgical history. evolution of the stoma.the evolution of the procedures for the formation of a surgical abdominal stoma are outlined; this was first, intestinal exteriorization for trauma, then stoma formation alone and finally stoma formation associated with bowel resection. accounts and recommendations occurred in the 16th and 17th centuries as by pillore and duret, but were few in number. development of the stoma on a sound basis did not occur until the late 19th century. dupuytren, bryant, maydl, mikulicz von radecki and miles wer ...20082643941
recent advances in gastrointestinal malignancy. 20082686527
recent advances in gastrointestinal malignancy. 20082686527
[a germ cell tumor of an ectopic testis in polyorchidism]. 20082547104
cadmium and lead accumulation by goldfish exposed to aqueous refuse incinerator fly ash leachate. 20082597788
[clinical-experimental examinations on phonetic function in edentulous patients and after insertion of total prostheses measured by the s-sound realization].lose of teeth and therapy by prosthesis interfering with the oral sectors that are necessary for s-sound articulation have an important influence on s-sound realization. hitherto, the resulting s-sound changes used to be evaluated only from a subjective point of view. the application of a complex measuring technique for s-sound analysis permitted to determine the influence of the upper and lower jaw plates on s-sound formation by experiments. in another series of experiments, it was shown that e ...20082640388
altered queuine modification of transfer rna involved in the in vitro transformation of chinese hamster embryo cells.altered queuine modification of trna has been correlated to neoplastic transformation, but no direct cause and effect relationship has been defined. in the present study, a potential role for this alteration has been assigned. the trna in normal chinese hamster embryo cells is significantly more queuine modified than the trna in their transformed chinese hamster embryo counterparts, even though the specific activity of the queuine modification enzyme is much lower in chinese hamster embryo cells ...20082582452
membrane current responses of skate photoreceptors.light-evoked membrane currents were recorded with suction electrodes from the outer segments of individual photoreceptors enzymatically dissociated from the skate retina. the intensity-response relation of dark-adapted cells closely followed a michaelis function for which a half-saturating response was elicited by a flash intensity that produced about 36 photoisomerizations. dim-light responses, as well as the early rising phase of the responses to a wide range of flash intensities, could be des ...20082614369
structural aspects of pathology in alzheimer's disease.the characteristic lesions of alzheimer's disease, neurofibrillary tangles and neuritic plaques, are the sites of accumulation of abnormal fibrillar material. the structure of the paired helical filament from tangles has been analysed by electron microscopy and biochemical studies have shown that it contains microtubule associated protein tau as a component. fibrils of beta-amyloid in the neuritic plaque arise by polymerization of a small proteolytic fragment of a much larger precursor protein. ...20082268679
the role of computerized microdiscs in dentistry. 20083462054
bilateral torsion of the normal ovary and oviduct in a young girl. 20082643670
bilateral torsion of the normal ovary and oviduct in a young girl. 20082643670
a mucin containing the x, y, and h type 2 carbohydrate determinants is shed by carcinoma cells.monoclonal antibody br 15-6a directed to the y carbohydrate determinant (fuc alpha 1----2gal beta 1----4glcnac(3----1fuc) beta 1----3gal beta 1----4glc beta 1----1cer) reacted with the cell surface and conditioned media of colorectal and breast carcinoma cell lines. double determinant immunoassays using br 15-6a as detector antibody showed that the y determinant is part of a high molecular weight mucin that coexpressed other carbohydrate antigens based on a type 2 chain (x, h type 2). type 1 cha ...20082442094
[study of the blink reflex in spinocerebellar degeneration].blink reflex (br) was composed of r1 and r2. r1 is considered to indicate the brainstem function. the purpose of this study was to evaluate the brainstem function of spinocerebellar degeneration (scd) by the r1 latency (r1). br was evoked by the percutaneous stimulation of supraorbital nerve. and r1 was measured by the action potential of orbucularis oculi muscle. direct response was recorded by the percutaneous stimulation of facial nerve to determine the terminal latency of facial nerve (d). b ...20082364628
antimicrobial resistance in shigella species isolated in dakar, senegal (2004-2006).from may 2004 to october 2006, a prospective study was carried out in dakar, senegal, to update information about the antimicrobial susceptibility of shigella spp. isolated from stool specimens. among the 165 non-duplicate strains collected, 81 (49%) were identified as shigella flexneri, 75 (45%) as shigella sonnei, 5 (3%) as shigella boydii, and 4 (2%) as shigella dysenteriae. disk diffusion testing revealed that the majority of isolates were resistant to sulphonamides, trimethoprim-sulfamethox ...200818653976
occurrence and characteristics of the cytolysin a gene in shigella strains and other members of the family enterobacteriaceae.cytolysin a (clya, hlye, shea) is a hemolytic pore-forming toxin found in escherichia coli and salmonella enterica serovars typhi and paratyphi a. in the present study, analysis of several shigella strains revealed that they harbor only nonfunctional clya gene copies that have been inactivated either by the integration of insertion sequence (is) elements (shigella dysenteriae, shigella boydii, and shigella sonnei strains) or by a frameshift mutation (shigella flexneri). shigella dysenteriae and ...200818754791
characterization of endemic shigella boydii strains isolated in iran by serotyping, antimicrobial resistance, plasmid profile, ribotyping and pulsed-field gel electrophoresis.shigellosis is one of the major causes of morbidity in children with diarrhea in iran. the present study was undertaken to characterize apparently sporadic shigella boydii strains isolated from pediatric patients in iran.200818755045
characterization of shigella spp. by antimicrobial resistance and pcr detection of ipa genes in an infantile population from porto velho (western amazon region), brazil.the incidence of shigella spp. was assessed in 877 infants from the public hospital in rondônia (western amazon region, brazil) where shigella represents the fourth cause of diarrhea. twenty-five isolates were identified: 18 were shigella flexneri, three shigella sonnei, three shigella boydii and one shigella dysenteriae. with the exception of s. dysenteriae, all shigella spp. isolated from children with diarrhea acquired multiple antibiotic resistances. pcr detection of ipa virulence genes and ...200819057826
traveler's myopericarditis.colitis caused by shigella is an uncommon etiology of infectious diarrhea in developed countries, usually presenting as traveler's diarrhea. aside from clinical intestinal manifestations, shigellosis can present with a wide variety of extra-intestinal symptoms. we present the case of a 38-year-old man with diarrhea, fever, and chest pain that started after a holiday in cape verde (africa). blood samples revealed an increase in cardiac enzymes. an electrocardiogram revealed a widespread elevation ...200818249314
[antigenic polysaccharides of bacteria: 40. the structures of o-specific polysaccharides from shigella dysenteriae types 3 and 9 and s. boydii type 4 revised by nmr spectroscopy].the reported structures of o-specific polysaccharides from three standard strains of shigella bacteria were corrected by modern nmr techniques. the revisions concerned the configuration of the o-glycoside linkage (s. dysenteriae type 3, structure 1), the positions of monosaccharide residue glycosylation and acetylation by pyruvic acid (s. dysenteriae type 9, structure 2), and the attachment position of the side monosaccharide chain (s. boydii type 4, structure 3) [struxture in text].200818365747
role of rna polymerase sigma-factor (rpos) in induction of glutamate-dependent acid-resistance of escherichia albertii under anaerobic conditions.escherichia albertii is a potential enteric food-borne pathogen with poorly defined genetic and biochemical properties. acid resistance is perceived to be an important property of enteric pathogens, enabling them to survive passage through stomach acidity so that they may colonize the mammalian gastrointestinal tract. we analyzed glutamate-dependent acid-resistance pathway (gdar) in five e. albertii strains that have been identified so far. we observed that the strains were unable to induce gdar ...200818422618
molecular characterization of multidrug-resistant shigella species isolated from epidemic and endemic cases of shigellosis in india.shigella species represent one of the growing numbers of antimicrobial-resistant bacteria in developing countries. fluoroquinolone-resistant strains of shigella dysenteriae type 1 and shigella flexneri type 2a emerged in india during 2002 and 2003, respectively. sixty strains of shigella from different parts of india were analysed for antimicrobial susceptibility, the presence of the qnr plasmid, mutations in the quinolone resistance determining regions (qrdrs), fluoroquinolone accumulation, and ...200818566144
molecular detection of all 34 distinct o-antigen forms of shigella.shigella is the cause of shigellosis or bacillary dysentery, the occurrence of which is estimated to be 165 million cases per year worldwide, resulting in 1.1 million deaths. rapid and reliable assays for detecting and identifying shigella in food, environmental and clinical samples are therefore necessary. shigella species are traditionally identified by their o antigens. this study developed a dna microarray targeting o-serotype-specific genes to detect all 34 distinct o-antigen forms of shige ...200919074655
frequency of isolation of various subtypes and antimicrobial resistance of shigella from urban slums of karachi, pakistan.shigellosis remains a major public health problem in developing countries. antimicrobial resistance has complicated the empirical treatment. knowledge of serotypes is crucial in vaccine development, as cross-protection between various serotypes is limited. therefore we conducted a prospective study to determine the frequency of isolation of shigella serotypes and antimicrobial resistance.200919135399
the expression of lipopolysaccharide by strains of shigella dysenteriae, shigella flexneri and shigella boydii and their cross-reacting strains of escherichia coli.strains of shigella dysenteriae, shigella flexneri and shigella boydii express lipopolysaccharides, that enable the serotyping of strains based on their antigenic structures. certain strains of s. dysenteriae, s. flexneri and s. boydii are known to share epitopes with strains of escherichia coli; however, the lipopolysaccharide profiles of the cross-reacting organisms have not been compared by sodium dodecyl sulfate polyacrylamide gel electrophoresis (sds-page) lipopolysaccharides profiling. in ...200919222579
evaluation of antibacterial activity, phenol and flavonoid contents of thespesia populnea flower extracts.flavonoids which were reported as having many pharmacological activities, antimicrobial, antioxidant, cytotoxic, chemoprevention activities and they possess strong antiproliferative effects related to inhibition of cell cycle progression and apoptosis induction. on the basis of this thespesia populnea (l.) sol. ex correa (family-malvaceae) was selected and it is having the major composition of flavonoids and the antibacterial activity of methanolic extract of thespesia populnea flowers was inves ...200919553175
assessment of cell surface properties and adhesion potential of selected probiotic strains.to evaluate the physicochemical cell surface and adhesive properties of selected probiotic strains for human use.200919725886
analysis of a temporal cluster of shigella boydii isolates in mpumalanga, south africa, november to december 2007.shigellosis is a global human health problem. the disease is most prevalent in developing countries with poor access to safe potable water and sanitation. shigella boydii is of particular epidemiological importance in developing nations such as african and asian countries. in the present study, we report on the analysis of a temporal cluster of 29 s. boydii serotype 2 strains, isolated in the mpumalanga province of south africa (sa) over the period of november to december 2007.200919749451
levels and sources of stress in medical students.levels of stress, as measured by the general health questionnaire, were assessed in 318 medical students in their fourth year at three british universities. mean scores were higher than those in other groups within the general population, and the estimated prevalence of emotional disturbance was 31.2%, a proportion similar to that reported in medical students in the united states. there were no differences in prevalence or in mean scores of stress between the sexes. twelve (4%) students reported ...20093085772
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