| experimental infection of goats and guinea pigs with microsporum canis and trials on treatment with canesten cream and neguvon solution. | goats and guinea pigs were found to be quite susceptible to infection with the bovine strain of microsporum canis. the severe and characteristic annular lesions seen in goats suggested the suitability of this species as a model for future research. the lesions in both goats and guinea pigs are described in details. trials on treatment of the experimentally induced lesions with 1% canesten cream and 6% neguvon solution were attempted. the efficacy of the drugs used were assessed on the basis of c ... | 1980 | 7464898 |
| ascocarp production by nannizzia otae on keratinous and non-keratinous agar media and mating behavior of n. otae and 123 japanese isolates of microsporum canis. | | 1980 | 7464901 |
| onychomycosis caused by microsporum canis: treatment with itraconazole. | | 1995 | 7751453 |
| a glabrous microsporum canis in greater london. | a variant of microsporum canis, which produces glabrous colonies on primary culture, has been frequently isolated from cases of scalp and body ringworm by this department. the records of this laboratory, which undertakes a diagnostic service covering most of the greater london area, show that the prevalence of m. canis among scalp infections has increased during the past ten years, and this species is presently responsible for the majority of cases diagnosed by culture. the glabrous form now rep ... | 1981 | 7221800 |
| an outbreak of dermatophytosis in pigs caused by microsporum canis. | an outbreak of dermatophytosis caused by microsporum canis in a porcine farm is described. the morbidity was 100% among sows, 95% among new-borns and 75% among feedlot animals. microsporum canis was also isolated from walls and environmental air. | 1995 | 7544873 |
| antidermatophytic activity of garlic (allium sativum) in vitro. | interest in herbal medicine is enjoying a renaissance at present. garlic (allium sativum) is an intriguing herb with a long history of medicinal use for a variety of diseases including ringworm infections. | 1995 | 7790146 |
| fungal infections of the scalp in western australia. | between 1963 and 1972, 1,212 fungi were isolated from patients with tinea capitis (ringworm of the scalp) in western australia. the clinical diagnosis was confirmed by microscopic examination examination and/or culture of hairs, scale or pus. microsporum canis, a zoophilic fungus, was found to be the most common agent of tinea capitis in western australia, causing 1,100 infections and accounting for 90.8% of the total isolates. the highest incidence of m. canis infections occurred in children be ... | 1980 | 7434132 |
| microsporum canis infection in a 5-year-old boy: transmission from the interior of a second-hand car. | microsporum canis is one of the most common zoophilic dermatophytes. if transmitted to humans, inflammatory lesions may develop, e.g. on the scalp. m. canis was isolated from a 5-year-old boy living in a suburban area who suffered from a long-standing, mildly inflammatory lesion on the scalp that had been treated for several months with anti-eczematous regimens. there had been no contact with animals, e.g. cats or dogs, in the previous months, but the lesions had developed a few weeks after the ... | 1994 | 7845421 |
| polymerase chain reaction-based detection of dermatophyte dna with a fungus-specific primer system. | there is significant clinical interest in primers which are specific for fungi and do not hybridize to dna of other eukaryotes or prokaryotes. such primers would allow specific amplification of fungal dna from human tissue samples containing fungi. fungal identification to the species level could follow by direct sequencing or restriction analysis. several previously described primer systems cross-react with dna of plants and animals. we have designed a primer system that amplifies a fragment of ... | 1994 | 7845424 |
| isolation and physico-chemical characterization of an antifungal and antibacterial peptide produced by bacillus licheniformis a12. | an antifungal substance named peptide a12-c has been purified to homogeneity from supernatants of sporulated cultures of bacillus licheniformis a12. it consists of a 0.77-kda hydrophilic peptide containing two residues of glu and one of arg, ala, pro, tyr and orn. no fatty acids, phosphorus or carbohydrates have been detected. peptide a12-c is active on several fungi (microsporum canis cect 2797, mucor mucedo cect 2653, m. plumbeus (ccm f 443, sporothrix schenckii cect 2799 and trichophyton ment ... | 1993 | 7763922 |
| sds-page separation of dermatophyte antigens, and western immunoblotting in feline dermatophytosis. | water-soluble antigens liberated from the disrupted mycelium of nine dermatophytes (seven isolates of microsporum canis, one each of microsporum gypseum and trichophyton mentagrophytes) were compared by analytical slab sds-page. no substantial differences were observed between the protein bands of the m. canis isolates, but certain distinctive bands were apparent in the other two species examined. western immunoblotting using m. canis-derived antigens separated by sds-page was used to investigat ... | 1994 | 7777039 |
| antifungal activity of itraconazole and terbinafine in human stratum corneum: a comparative study. | the evaluation of antifungal agents by in vitro and animal experiments cannot predict clinical efficacy with certainty. new models are needed to assess and compare antifungal activity. | 1995 | 7868711 |
| [the occurrence of keratinolytic fungi in the polluted environment of the labedy district in gliwice]. | this study was undertaken to find relationships between the degree of bacteriological contamination with qualitative composition of potentially pathogenic keratinolytic fungal population in soil, sediment and air samples from the labedy district in gliwice (poland). the examined soil samples were characterized by the predominance of botryotrichum piluliferum, chrysosporium anamorph of arthroderma curreyi, myceliophthora anamorph of ctenomyces serratus, chrysosporium pannicola and trichphyton aje ... | 1994 | 7792523 |
| antidermatophytic activity of allylamine derivatives. | the allylamine derivatives are a new class of synthetic antifungal agents. the antidermatophytic activity of the two main compounds, naftifine and terbinafine were compared in vitro with those of ketoconazole and itraconazole by agar dilution. eighty eight clinical isolates of dematophytes comprising of microsporum canis (50), m. audouinii (5), trichophyton rubrum (6) t. mentagrophytes (5), t. violaceum (12), t. simii (5), t. verrucosum (1), t. soudanense (1), t. erinacie (1) and epidermophyton ... | 1994 | 7868170 |
| microsporum canis vaccine. | | 1994 | 7852169 |
| trichophyton rubrum as the causative agent of tinea capitis in three children. | tinea capitis, which is caused by trichophyton rubrum, is only rarely described in medical literature. incidence of this disease appears to lie well below 1% in europe. microsporum canis, trichophyton mentagrophytes and trichophyton tonsurans are the predominant causative agents discussed here. in april 1993 t. rubrum was isolated from typical pathological changes to the capillitium area in three children from a nigerian family, who had been living in germany for 3 years. all three children reve ... | 1995 | 7637688 |
| fungal cultures on cyanoacrylate skin surface strippings as a dose-finding method for topical antifungals. a placebo-controlled study with 0.25% and 0.50% itraconazole cream. | the antimycotic activities of 0.25% and 0.50% itraconazole cream were compared in the stratum corneum after once-daily applications for 1 week. two groups of 12 healthy volunteers applied either itraconazole or placebo on the inner side of each forearm, in a double-blind design. cyanoacrylate skin surface strippings (csss) were taken on days 8, 11 and 21. conidia or yeasts of selected fungi (trichophyton rubrum, trichophyton metagrophytes, microsporum canis and candida albicans) were deposited o ... | 1995 | 7658304 |
| experimental immunity to microsporum canis and cross reactions with other dermatophytes of veterinary importance. | an inactivated, broad-spectrum dermatophyte vaccine was used to produce an active immunity in guinea-pigs against microsporum canis. none of the vaccinates developed infection from a contact exposure challenge that produced clinical infections in 70% of the unvaccinated controls. infection with m. canis induced antibody titres (elisa) and delayed cutaneous hypersensitivity (dch) reactions to itself as well as cross-reacting titres to trichophyton equinum and t. mentagrophytes and dch reactions t ... | 1995 | 7658308 |
| keratinophilic fungi on four animal groups. | four surveys were conducted on different animal groups in the metropolitan area of perth. microsporum canis was the only fungus isolated from cats and was prevalent in these animals. dermatophyte infections in dogs were less common and were caused by m. canis. m. gypseum and trichophyton mentagrophytes. t. mentagrophytes was isolated from laboratory guinea pigs but not from native animals. | 1980 | 7436952 |
| [interspecific outbreaks of dermatomycoses +caused by microsporum canis and microsporum gypseum]. | dermatomycosis in domestic animals are important zoonosis in view of the fact that they maintain close contact with human beings. seven ringworm outbreaks are here described, one of m. gypseum involving a cat and a women and the remainder of m. canis involving 20 human beings (adults, young people and children), 5 dogs, 16 cats and a gibbon-monkey (hylobates lar). | 1994 | 7660034 |
| tinea capitis in south wales--observations in change of causative fungi. | we report an observed change in the causative organisms in 45 consecutive cases of tinea capitis seen in the cardiff area over the last 9 years. direct microscopy using potassium hydroxide was positive in all but one case, but this was subsequently positive on culture. this retrospective analysis shows that more cases are being seen in our department, and that a higher proportion of cases are due to trichophyton violaceum whereas previously we would have expected the majority of cases to be due ... | 1994 | 7889666 |
| human dermatophyte-responsive t-cell lines recognize cross-reactive antigens associated with mannose-rich glycoproteins. | resistance to dermatophyte infections has been shown to be mediated in part by t lymphocytes. the dermatophyte antigens recognized by human t lymphocytes and their degree of cross-reactivity were analyzed. dermatophyte-responsive t-cell lines were generated by in vitro sensitization to crude fungal extracts obtained from trichophyton rubrum, trichophyton tonsurans, microsporum canis and epidermophyton floccosum. proliferation was measured by incorporation of 3h-thymidine. the human t-cell lines ... | 1994 | 7921653 |
| [spread of a microsporum canis infection in an agricultural facility (case description)]. | in a combined pig production and fattening unit the weaned piglets on the flatdecks and some young fattening pigs were suffering from a microsporum canis-infection. besides the pigs the children of the farmer showed skin alterations. the infection was spread probably by the cats, which had access to the houses for sows and for sows with piglets. in cases of uncertain skin alterations, a mycologic etiology should be considered. | 1994 | 7717960 |
| failure of clotrimazole-betamethasone dipropionate cream in treatment of microsporum canis infections. | | 1995 | 7751452 |
| dermatophytoses in iran. | a total of 12,150 cases of suspected dermatophytoses in different areas of iran were studied between 1986 and 1991. the age groups most commonly infected were 1-9 and 20-29 years. clinical diagnosis was confirmed in only 9345 cases by laboratory examination. of these positive samples, 1633 cases were found to be positive by direct microscopic observation only, 429 by culture only and 7283 by both techniques. scalp ringworm of children was the most common type of tinea. but according to the rate ... | 1994 | 7935592 |
| [exoenzymes of dermatophytes isolated from acute and chronic tinea]. | the presence of five enzymes (deoxyribonuclease, elastase, lipase, caseinase and hemolysin) in 76 strains of dermatophytes 47 of trichophyton rubrum, 10 of t. mentagrophytes, five of t. tonsurans, 10 of microsporum canis and four of epidermophyton floccosum) isolated from 30 cases of acute dermatophytosis and from 46 chronic ones was determined by a qualitative plate assay; in the same way, the presence of these five enzymes with the acute and chronic dermatophytosis was correlated. it was obser ... | 1994 | 7938939 |
| itraconazole versus griseofulvin in the treatment of tinea capitis: a double-blind randomized study in children. | tinea capitis is a fungal infection in which topical therapy is often unsuccessful. griseofulvin has been considered to be a first-line therapy. other antifungal agents are the azole derivatives. among these, itraconazole was compared with griseofulvin in children in a double-blind study. | 1994 | 8002149 |
| dermatophytes and dermatophytoses in the milan area between 1970 and 1989. | between 1970 and 1989 we examined 13,019 patients with dermatophytoses in the milan area, northern italy. the results obtained during the 1980-89 period were compared with those obtained in the years 1970-79. from the data collected, tinea corporis emerged as the most frequently observed dermatophytosis, followed by tinea pedis and unguium. as far as dermatophytes are concerned, the dermatological pattern is dominated by microsporum canis and trichophyton rubrum. other species, such as epidermop ... | 1993 | 8015563 |
| fungal infections in the netherlands. prevailing fungi and pattern of infection. | species of fungi have specific characteristics in geographic distribution, and they have a predilection for certain body areas. | 1995 | 7894094 |
| ecology and epidemiology of dermatophyte infections. | our knowledge of ecology and epidemiology of dermatophytes and the factors influencing their transmission has helped us understand better the natural history of dermatophytoses. it seems that the anthropophilic agents of scalp infection are being eradicated in developing nations. the exception is trichophyton tonsurans-related tinea capitis in north america. microsporum canis is a prevalent agent of tinea capitis in many regions of the world, and this could be related to close association of hum ... | 1994 | 8077503 |
| microsporum canis scalp ringworm: its primary or secondary ectothrix character. | this study supports the view that, in cases of tinea capitis due to a microsporum canis infection, ectothrix arthroconidium formation is extrapilary and arises from intrapilary hyphae. the hyphae of m. canis perforate and digest the hair cuticle to alter its appearance from a normally identifiable structure of imbricated cells with a distal free border, to a grossly altered and pathological layer. conidium production mainly takes place outside the hair shaft and forms thick clusters between the ... | 1993 | 8108682 |
| experimental microsporum canis infection in cats: correlation between immunological and clinical observations. | microsporum canis infection was induced in five of six adult cats by the application of mycelium to shaved and mildly abraided skin. the clinical course of the disease was monitored over 16 weeks by physical examination and wood's lamp illumination. the incubation period (time from inoculation to first appearance of infected hairs) varied between 8 and 13 days and was followed by a progressive phase of slow peripheral expansion of lesions accompanied by scaling, alopecia and skin thickening that ... | 1995 | 7666298 |
| microsporum canis infection of the thumb-nail. | | 1994 | 8033403 |
| purification, characterization, and lytic activity against naegleria fowleri of two amoebicins produced by bacillus licheniformis a12. | bacillus licheniformis a12 produces two amoebolytic substances (amoebicins a12-a and a12-b) in liquid media during sporulation. both substances have been purified and characterized. they are heat- and protease-resistant peptides containing aspartic acid, glutamic acid, serine, proline, and tyrosine in a molar ratio of 5:2:2:2:2. no fatty acids or carbohydrates have been detected. their molecular weight is 1,430. purified amoebicins a12-a and a12-b exhibit amoebolytic action against naegleria fow ... | 1993 | 8517742 |
| successful treatment of griseofulvin-resistant tinea capitis in infants. | we report on three siblings, children of a farmer, aged 3-8 years, suffering from tinea capitis due to microsporum canis. initially, the infection was treated systemically with griseofulvin as well as externally for 5 months without success. therapy was changed to itraconazole 33 mg per day orally. laboratory investigations followed every 4-6 weeks. dependent on the dose per kg body weight the children were cured clinically after 2-5 months and microbiologically after 5-8 months. thus, itraconaz ... | 1994 | 7659136 |
| [incidence of various etiologic agents of superficial mycosis]. | in a retrospective review of laboratory records at the department of mycology, national institute of microbiology "dr. carlos g. malbrán", during the period june 1989-july 1991, 1225 putatively immunocompetent cases of superficial mycoses were identified. ninety five percent of these patients were adults and 5% children. among the total cases, dermatomycoses were caused, 67.6% by dermatophytes, 25.9% by yeasts, 5.9% by malassezia furfur. and 0.5% by other fungi, as proven by the isolation of the ... | 1993 | 8140245 |
| [gum-like exudate from laguncularia racemosa (white mangrove) as culture media for fungi]. | morphological studies of eight species of fungus: aspergillus flavus microsporum canis, epidermophyton floccosum, curvularia lunata, cladosporium carrionii, natrassia mangífera (edo. scytalidium), sporotrix schenckii y rhizophus oligosporus, which belong to families mucedinaceae, dematiaceae and mucoraceae have been carried out in support medium based in gum exudate from laguncularia racemosa (mangle blanco). this native polimer contains galactose, arabinose, rhamnose, uronic acid and proteins. ... | 1993 | 8123711 |
| immunogenicity in guinea-pigs of a crude ribosomal fraction from microsporum canis. | the immunogenicity of a crude ribosomal fraction (crf) extracted from microsporum canis was tested by assessing protection of vaccinated guinea-pigs (gp) against a challenge with the dermatophyte. stimulation of the humoral as well as the cellular immune systems of these animals was evaluated by elisa and the lymphocyte stimulation tests, respectively. in addition, the immune response elicited by the m. canis crf was examined for cross-reactivity towards trichophyton verrucosum antigen. the dura ... | 1994 | 8147094 |
| in vitro antifungal activity of essential oils against some isolates of microsporum canis and microsporum gypseum. | | 1994 | 8202570 |
| tinea capitis in the florence area between 1985 and 1993. | this paper describes the main epidemiological findings in 203 patients with tinea capitis and in seven other patients with dermatophytosis that had also extended to the scalp. the patients were observed over a 9-year period (from 1985 to 1993) at the department of dermatology of the university of florence. tinea capitis was the fourth most frequent dermatophytosis. most of the patients were children, although 23 were adults. the most frequent aetiological agent was microsporum canis. it is inter ... | 1995 | 8559198 |
| increasing importance of trichophyton tonsurans in childhood tinea in new south wales. the pattern of childhood tinea in new south wales, australia 1979-1988: the emergence of trichophyton tonsurans as an important pathogen in tinea capitis in white children. | a retrospective study was undertaken of 192 cases of culture proven tinea capitis occurring between 1979 and 1988 in a predominantly white population of children in new south wales (nsw). the aim of the study was to identify whether trichophyton tonsurans was increasing in importance in the causation of this condition in australia as it was in many other parts of the world. the results of our study were compared with those of earlier australian studies. our study demonstrated that trichophyton t ... | 1993 | 8240189 |
| dermatophytosis of children in kuwait: a prospective survey. | tinea capitis in children is widely reported, whereas there have been only isolated reports on involvement of sites other than the scalp. the purpose of this study was to examine the epidemiological features and treatment responses of dermatophytosis of children in kuwait. | 1993 | 8270336 |
| humoral immune responses in cats with dermatophytosis. | the igg and igm classes of antibodies to a water-soluble antigen preparation derived from microsporum canis were determined by elisa in the sera of 79 cats with dermatophytosis confirmed by results of fungal culture, and of 46 specific-pathogen-free-derived, barrier-maintained cats with no previous exposure to dermatophytes. of the 79 cats with dermatophytosis, the species isolated were: m canis from 72, m gypseum from 6, and trichophyton mentagrophytes from 1. concentrations of soluble m canis ... | 1993 | 8291765 |
| [reported frequency of dermatophytes in cats and dogs in austria]. | during four years (1988-1991) 384 skin scrapings and hair samples obtained from cats and 636 samples obtained from dogs in austria were examined routinely for dermatophytes. in cats dermatophytes were isolated or found positive in unstained koh preparation in 50.3% of the samples. 90.7% of these cats were proved to be infected with microsporum canis. trichophyton mentagrophytes was isolated in 5.2% and trichophyton spp. in 2.1% of the positive samples. in dogs dermatophytes were isolated from 12 ... | 1993 | 8306866 |
| [evaluation of susceptibility of dermatophytes to antifungal drugs]. | a serial dilution and a disc method were used for evaluation of susceptibility of 50 dermatophyte strains belonging to the species trichophyton rubrum, trichophyton mentagrophytes, microsporum canis and epidermophyton floccosum. following drugs were investigated: griseofulvin, pimaricin, clotrimoxazole, miconazole, ketoconazole, biphonazole and naftifin. application of two methods of testing resulted in high convergence of determinations. naftifin was most effective and pimaricin least active. a ... | 1993 | 8309309 |
| fungicin m4: a narrow spectrum peptide antibiotic from bacillus licheniformis m-4. | the strain bacillus licheniformis m-4 produces a 3.4 kda hydrophilic peptide with antifungal activity, named fungicin m4. analysis of the purified peptide shows that it contains the amino acids glu (8), arg (5), pro (4), tyr (8), val (3), met (2) and orn (4). its inhibitory spectrum is restricted to microsporum canis cect 2797, mucor mucedo cect 2653, mucor plumbeus ccm 443, sporothrix schenckii cect 2799, bacillus megaterium and corynebacterium glutamicum cect 78. fungicin m4 exerts biocidal ac ... | 1994 | 7928782 |
| enzyme patterns of dermatophytes. | exoenzymes produced by common dermatophytes, in addition to their ability to cause cutaneous inflammation, are thought to contribute to fungal spread. to investigate the patterns of enzymes released by common dermatophytes as well as scopulariopsis brevicaulis, the fungi were grown in liquid media containing either hair, stratum corneum, neopeptone or lipids, or in rpmi medium. enzymes recovered from the culture supernatants were compared using the api-zyme test. as a result, the widest range of ... | 1994 | 7935585 |
| tinea corporis bullosa. | the paper reports a case of tinea corporis bullosa in a 63-year-old woman. near the classical annular lesions on the anterior surface of the left leg, the patient presented frank bullous lesions. serous fluid from the bulla yielded microsporum canis, the first report of the association of this fungus with bullous lesions in tinea corporis. the patient was investigated with routine examinations and immunological studies which showed an intense inflammatory process much greater than in usual cases ... | 1993 | 8366877 |
| epidemiology of the dermatophytoses in the florence area of italy: 1985-1990. trichophyton mentagrophytes, epidermophyton floccosum and microsporum gypseum infections. | between 1985 and 1990 we observed 2085 cases of dermatophytoses in the florence area of italy. trichophyton rubrum and microsporum canis were the major etiological agents. 126 cases of dermatophytoses observed during this period were caused by trichophyton mentagrophytes. most of the patients came from rural areas or they kept pets. epidermophyton floccosum ranked fourth in frequency (95 cases). the patients were adults and mainly males, most of whom engaged in sports or lived in group environme ... | 1993 | 8413498 |
| evaluation of topical therapies for the treatment of dermatophyte-infected hairs from dogs and cats. | seven commonly used, topical antifungal products (i.e., lime sulfur, chlorhexidine, captan, povidone-iodine, sodium hypochlorite, and enilconazole solutions, and ketoconazole shampoo) were evaluated for their antifungal activity on microsporum canis-infected hairs from dogs and cats in an in vitro study. hairs were soaked or shampooed in each product for five minutes twice a week for four weeks. of the seven products used in this study, lime sulfur and enilconazole solutions were superior in inh ... | 1995 | 7634061 |
| epidemiological and diagnostic features of canine and feline dermatophytosis in the united kingdom from 1956 to 1991. | between 1956 and 1991, 8349 samples from dogs and cats were received for investigation of suspected dermatophytosis, and 1368 (16 per cent) yielded positive cultures. cats had a significantly higher proportion of positive cultures (26 per cent) than dogs (10 per cent), and of these microsporum canis accounted for 92 per cent in cats and 65 per cent in dogs. the other isolates were diverse but mainly sylvatic dermatophytes, and m gypseum was isolated on only four occasions. different breeds of do ... | 1993 | 8212483 |
| ultrastructure of trichophyton violaceum. | the ultrastructure of different fungi have been described in recent literature; however, few reports have concerned dermatophytes. | 1993 | 8440569 |
| microsporum canis infection in sheep. | | 1993 | 8488650 |
| humoral and cellular immune responses to microsporum canis in naturally occurring feline dermatophytosis. | peripheral blood lymphocytes isolated from cattery cats which were culture positive for microsporum canis, or from cats which had recovered from m. canis infection, showed a significantly greater mean in vitro blastogenic response to m. canis antigen than lymphocytes from uninfected cats. mean lymphocyte reactivity to concanavalin a was higher in cats which had recovered from infection than in either culture positive or uninfected cats, whereas reactivity to phytohemagglutinin was highest in the ... | 1993 | 8509949 |
| investigations of a killed dermatophyte cell-wall vaccine against infection with microsporum canis in cats. | a laboratory-prepared killed microsporum canis cell-wall vaccine was evaluated under conditions simulating an accidental infection of a cattery, by inoculating eight- to nine-week-old cats with the vaccine or with a placebo control. the vaccinated cats developed high titres of anti-dermatophyte igg as measured by an elisa, and a small cell-mediated response against m canis as measured by a lymphocyte blastogenesis assay, using a whole fungus extract. after being inoculated the cats were challeng ... | 1995 | 8525097 |
| uv susceptibility and negative phototropism of dermatophytes. | high doses of ultraviolet radiation (uvr) have well-known inhibitory effects upon dermatophytes. in the present study, the effect of repetitive low doses of uvr on mycelial growth of dermatophytes was tested. pellets of trichophyton rubrum, t. mentagrophytes and microsporum canis were placed between two thin layers of sabouraud glucose agar. obverse, reverse or both sides of these 'sandwich' agars were irradiated for 10 days twice daily with 0.13 or 0.17 j cm-2 uvb. to simulate microaerophilic c ... | 1995 | 8531931 |
| dermatophytes from cases of skin disease in cats and dogs in turin, italy. | in urban environments, pet animals such as dogs and cats may be largely responsible for the progressive increase of zoophilic over anthropophilic dermatophytes in the aetiology of human dermatophytoses. mapping, in each city, of the natural foci of zoophilic dermatophytes may thus be important for understanding the epidemiology of human dermatophytoses, and for planning preventive measures. we have surveyed dogs and cats suspected of carrying dermatophytic lesions in the turin area. hairs, skin ... | 1995 | 8531941 |
| in vitro antifungal activity of polyporaceae against yeasts and dermatophytes. | the antifungal activity of 38 polyporaceae sensu lato against yeasts and dermatophytes was tested in vitro by the agar dilution method. strains were typed organisms and clinical isolates. in this first report, pycnoporellus fulgens (fr.) donk was found to be the most active species against pathological fungi and showed broad-spectrum antifungal activity against yeasts (candida albicans, candida glabrata) and dermatophytes (trichophyton mentagrophytes, trichophyton rubrum, microsporum canis, micr ... | 1995 | 8559195 |
| tinea corporis bullosa anularis. | a case of annular bullous tinea corporis (tinea corporis bullosa anularis) in a 27-year-old woman is reported. the infection was characterized by numerous lesions localized exclusively to the forearms and the legs. these lesions were erythematous and scaling with bullous and annular borders. mycological culture yielded microsporum canis. | 1996 | 8864372 |
| preliminary screening of some squalenoid derivatives for toxicity towards dermatophytes. | we report a preliminary study of the in vitro anti-dermatophyte activity of six squalenoid derivatives that inhibit 2,3-oxidosqualene cyclase and squalene epoxidase: 2-aza-2,3-dihydrosqualene, 22,23-epoxy-2-aza-2,3-dihydrosqualene, azasqualene alcohol, 19-aza-18,19,22,23-tetrahydrosqualene, 2,3-epoxy-19-aza-18,19,22,23-tetrahydrosqualene and hexafluorosqualene epoxide. the tests were done by inoculating 10 microliters of trichophyton mentagrophytes (robin) blanchard or microsporum canis bodin ho ... | 1995 | 8559196 |
| tinea capitis in adults. | invasion of keratin of the hair by dermatophytes is a rare event after puberty. a study of 2200 patients affected by various mycotic cutaneous infections during 6 years of observation brought to our attention three cases of tinea capitis in adults. confirming the studies of other authors, we also found that this disease mostly affected females. in all cases the isolated aetiological agent was microsporum canis, the fungus species most frequently responsible for tinea capitis in italy. | 1995 | 8559199 |
| production and use of monoclonal antibodies to microsporum canis. | microsporum canis ncpf 179 and m. canis ncpf 177 dermatophyte cytoplasmic extracts (dces) were used as antigens to generate monoclonal antibodies (mabs). hybridomas with supernatants of optical density (od) > 1 for homologous dermatophyte cytoplasmic extracts (ce) and od < 0.5 for heterologous ce of candida albicans tested by the enzyme-linked immunosorbent assays (elisa) were selected for cloning. mabs secreted by cloned hybridoma lines were screened against ce of m. canis, m. gypseum, m. equin ... | 1995 | 8560740 |
| [uncommon caseous maxillary sinusitis of dental origin caused by microsporum canis]. | the authors report an uncommon case of maxillary sinusitis due to microsporum canis. to their knowledge this is the first observation in which a zoophilic dermatophytic fungus which grows usually on keratin has been isolated in a dental maxillary sinusitis in human. this observation makes it possible to discuss nosologic and diagnostic features of dental caseous sinusitis and fungal sinusitis which are often or too often called aspergillosis sinusitis. | 1993 | 8210096 |
| tinea capitis in saudi arabia. | tinea capitis is a dermatophyte infection of the scalp, eyebrows, and eyelashes caused by species of microsporum and trichophyton. the purpose of this study was to discover the incidence and causal agents of tinea capitis in saudi arabia. | 1993 | 8425800 |
| dermatophytes in northern finland in 1982-90. | the epidemiology of human dermatophytes was studied in northern finland in 1982-90. the samples were analysed at the department of medical microbiology, university of oulu. the total number of samples was 17,822, of which 3185 (18%) were positive. the annual number of samples and positive cultures remained relatively constant. trichophyton rubrum was the most common species being isolated from 2101 samples (66% of all positive cultures), while trichophyton mentagrophytes was isolated from 815 sa ... | 1995 | 8569818 |
| epidemiology of dermatophytoses observed in rome, italy, between 1985 and 1993. | between 1985 and 1993, 13,880 patients were studied for possible forms of dermatophytoses. the most frequently isolated dermatophyte was in 2821 positive cases microsporum canis (50%), followed by trichophyton rubrum (27%), trichophyton mentagrophytes (10.6%), epidermophyton floccosum (9.3%), microsporum gypseum (2.3%), trichophyton violaceum (0.6%), trichophyton tonsurans (0.2%) and trichophyton verrucosum (< 0.1%). the genera and species isolated were also considered in relation to the site of ... | 1995 | 8569819 |
| the ringworm riddle: an outbreak of microsporum canis in the nursery. | tinea capitis, the most common fungal infection in children, is rare in neonates. we report six patients in a level ii intermediate care nursery who developed nosocomial dermatophyte infections caused by microsporum canis. the investigation, which led to the identification of a nurse as the common source, is described. the nurse had an indolent infection with m. canis. human to human transmission is exceedingly rare for m. canis. the literature regarding neonatal dermatophyte infections is discu ... | 1993 | 8426773 |
| tinea capitis in trinidad. | characteristics of clinically diagnosed cases of tinea capitis from trinidad are described. tinea capitis comprised 29.5% of all dermatophytoses seen at one general hospital out-patient dermatology clinic during a one-year period. males were more often affected than females and there was a predominance of patients of african descent. among the dermatophytes cultured trichophyton tonsurans was the most prevalent (52.9%), followed by microsporum canis (20.0%) and m. audouinii (18.6%). less frequen ... | 1993 | 8254711 |
| in vitro susceptibility of dermatophytes to antifungal drugs: a comparison of two methods. | there is an evidence that some fungal strains are resistant to certain antimycotic drugs with resulting therapeutic failures. unlike testing of antibacterial agents, the activity of these drugs against the given fungal strains is not tested routinely. the paper presented is an approach to such a procedure. | 1993 | 8340195 |
| [identification of dermatophytes as possible agents in clinically and microbiologically diagnosed dermatophytosis]. | in this study we have investigated the distribution of dermatophyte species clinically and microbiologically on 110 patients with dermatophytosis. the distribution of the dermatophytes according to the localization sites are: tinea capitis 13 (11.8%), t. corporis 12 (10.9%), t. inguinalis 22 (20%), t. pedis et manum 47 (42.7%), t. unguinum 16 (14.5%). the species of dermatophytes which have been cultured were, trichophyton rubrum 32 (29%), t. mentagrophytes 32 (29%), t. schoenleini 4 (3.6%), t. ... | 1993 | 8361407 |
| fungal contamination of the floors of swimming pools, particularly subtropical swimming paradises. | we compared the level of dermatophyte contamination of the floors of traditional swimming pools and of subtropical swimming paradises, a new type of indoor swimming pool introduced in belgium in 1981. from the results of routine hygiene inspections over several years and of a comparative study, we can conclude that the floors of subtropical swimming pools are much more highly contaminated by dermatophytes than the floors of traditional swimming pools. this higher degree of contamination is due t ... | 1995 | 8720205 |
| immunohistological characterization of the cellular infiltrate in dermatophytosis. | the local cell composition of skin infections caused by trichophyton rubrum (13 cases) and microsporum canis (2 cases) was examined using monoclonal antibodies and the abc immunoperoxidase technique. the number of langerhans cells increased both in the epithelium and in the dermis of the mycotic area. apart from these, only t cells were found in the dermis, among which helper cells were predominant. the helper/suppressor ratio showed variations depending upon the pathogen. | 1993 | 8264718 |
| [microsporum canis tinea ciliaris and blepharitis]. | the involvement of eyelashes and eyelids by dermatophytes is unfrequent. | 1995 | 8729822 |
| proximal subungual onychomycosis due to microsporum canis. | a case of proximal subungual onychomycosis due to microsporum canis in a 36-year-old woman is presented. the onychomycosis involved the left thumb and the little fingernails, with thinning of the nail plate and crumbling of the nail plate surface. a milky-white discoloration of the proximal portion of the left thumbnail was also evident. a 2-mm longitudinal nail biopsy showed a large number of fungal elements in the whole length of the nail plate. fungal hyphae were more numerous in the ventral ... | 1996 | 8745910 |
| a study of dermatophytoses in hamadan, the governmentship of west iran. | in order to determine the extent and causative agents of dermatophytoses in the hamadan region of west iran; a study was made during a 9-month period from october 1991 to june 1992. a total of 7495 individuals were studied of whom 681 (9%) were suspect of having cutaneous mycoses. among them dermatophytoses were the commonest infections (259/681 = 38%). of 259 individuals infected with dermatophytes, tinea capitis were observed in 163 (62.9%); t. corporis in 27 (10.4%); t. manuum and t. cruris i ... | 1996 | 8751822 |
| fungi responsible for skin mycoses in turin (italy). | there has been a recent increase in the frequency of skin mycoses, coupled with changes in the epidemiology and distribution of the species responsible. periodic epidemiological analyses of these disease are thus required to ensure their efficacious control. hair fragments, skin scrapings, specimens from vesicles and blisters and nail parings were seeded on petri dishes loaded with sabouraud or mycosel agar, supplemented with chloramphenicol and with chloramphenicol plus cycloheximide respective ... | 1996 | 8767009 |
| anti-microbial activity and anti-complement activity of extracts obtained from selected hawaiian medicinal plants. | selected plants having a history of use in polynesian traditional medicine for the treatment of infectious disease were investigated for anti-viral, anti-fungal and anti-bacterial activity in vitro. extracts from scaevola sericea, psychotria hawaiiensis, pipturus albidus and eugenia malaccensis showed selective anti-viral activity against herpes simplex virus-1 and 2 and vesicular stomatitis virus. aleurites moluccana extracts showed anti-bacterial activity against staphylococcus aureus and pseu ... | 1995 | 8786654 |
| in vitro susceptibility of fungi to acyclic inhibitors of 2,3-oxidosqualene cyclases. | in the present study we determine the antifungal properties of two acyclic inhibitors of 2,3-oxidosqualene cyclases: 22,23-epoxy-2-aza-2,3-dihydrosqualene (eas) and azasqualene alcohol (asa). fungistatic and fungicidal activity towards dermatophytes and other fungi involved in cutaneous and systemic infections was tested (48 isolates from 10 species). the tests were carried out by inoculating 10 microliters of mycelial homogenate in 1 ml of sabouraud glucose liquid medium containing serial dilut ... | 1996 | 8786759 |
| effect of glucose and thiamine concentrations on the formation of macroconidia in dermatophytes. occurrence of dysgonic microsporum canis strains in athens, greece. | data collected from multiple trials with 110 fresh and preserved clinical isolates of trichophyton mentagrophytes var. mentagrophytes, t. violaceum, t. rubrum, t. verrucosum, microsporum canis and epidermophyton floccosum revealed that production of macroconidia depends on glucose and thiamine concentrations in the medium. optimal macroconidia production was obtained at the critical concentrations of 5 g l-1 glucose and 0.6 g l-1 thiamine when the two compounds were used in combination. the same ... | 1996 | 8786761 |
| primary invasive cutaneous microsporum canis infections in immunocompromised patients. | two cases of primary invasive cutaneous infections caused by the zoophilic dermatophytic species microsporum canis are presented. the first case occurred in a liver transplant recipient who was receiving immunosuppressive therapy. multiple erythematous papules were seen on both legs, and a biopsy revealed invasive fungal hyphae. the second case was diagnosed in a human immunodeficiency virus-positive individual with a cd4 lymphocyte count of 81 mm3. raised red nodules were seen on her scalp and ... | 1996 | 8789040 |
| [microsporum canis as the origin of an enzootic outbreak in swine. a case report]. | we report on the outbreak of dermatomycosis caused by microsporum canis at a bavarian pig breeding and fattening farm. clinical signs were shown mainly by younger pigs. microsporum canis could be identified in skin scrapings of pigs, cats, and the farmer's daughter by culture and fluorescence microscopy. questions of epizootiology, diagnostics and therapy are discussed. | 1995 | 8585059 |
| acquired immunity in experimental feline microsporum canis infection. | seven adult cats were inoculated cutaneously at a shaved site with microsporum canis; five (group a) had spontaneously recovered from a previous m canis infection, and two (group b) were dermatophyte-naive. both of the dermatophyte-naive cats developed typical clinical disease, the lesions reaching maximal size four to five weeks after exposure, and resolving by week 13. only one of the group a cats developed clinical disease; the lesions were more inflammatory in nature and of shorter duration ... | 1996 | 8880989 |
| an evaluation of the resistance to microsporum canis on the basis of the guinea pig. | the purpose of the work was to assess the immune response of guinea pigs after the experimental infection with microsporum canis, and after immunization with a specific live vaccine. the guinea pigs after the recovery from infection showed a delayed type of hypersensitivity and in addition, 30 per cent of the animals were characterized by the presence of immediate hypersensitivity reactions. all the animals were resistant to reinfection with m. canis and to some extent to trichophyton verrucosum ... | 1994 | 8891170 |
| fungal flora of the hair coat of stray cats in iran. | the fungal flora of the hair coat of 100 stray cats in different districts of the city of isfahan, iran, were examined. saprophytic fungi were isolated from all cats. penicillium, aspergillus, alternaria, mucor and cladosporium spp. were the most frequently isolated saprophytes. microsporum canis was isolated from all kittens with clinical signs of dermatophytosis. in other cases, m. canis was isolated only from 22 of the 96 cats. no significant differences in sex, hair length, and fungal flora ... | 1996 | 8909038 |
| [fungi and yeasts isolated in mycological studies in skin and nail infections in the netherlands, 1992-1993]. | to describe fungi and yeasts isolated from skin and nail infections in the netherlands. | 1996 | 8684495 |
| isolation of keratinophilic fungi from the floors of private veterinary clinics in italy. | to evaluate the presence of keratinophilic fungi in the environment, 400 samples were collected from the floors of 50 private veterinary clinics using 55-mm-diameter 'contact plates', containing mycobiotic agar. after incubation for 15 days at 25 degrees c, the following species were isolated: microsporum canis, trichophyton terrestre, chrysosporium keratinophilum, chrysosporium sp., microsporum gypseum, trichophyton ajelloi, chrysosporium tropicum, trichophyton mentagrophytes, chrysosporium sta ... | 1996 | 8711896 |
| oral itraconazole versus topical bifonazole treatment in experimental dermatophytosis. | guinea pigs, infected with either trichophyton mentagrophytes or microsporum canis, were treated orally or topically with azole antifungals daily for two weeks. fungi located in the stratum corneum were affected similarly by both treatment schedules, showing typical cell wall changes after azole exposure and necrosis of internal organelles. fungi located in the hair sheaths were affected only by the oral treatment, which not only prevented invasion of the inner hair structures and inflammatory r ... | 1993 | 8396203 |
| extracellular enzymatic activity of microsporum canis isolates. | the enzymatic activity of 70 feline and canine microsporum canis isolates was determined by the api-zym test. the liquid phase of cultures, inoculated into tryptic soy broth, was used to examine 19 enzymes. considerable differences were observed among the extracellular enzymatic patterns. all the isolates produced alkaline phosphatase and beta-glucosidase, while lipase (c14), trypsin, chymotrypsin, beta-glucuronidase, and alpha-fucosidase activity was never revealed. esterase (c4) activity was p ... | 1995 | 8684426 |
| isolation of fungi from the pelage of cats and dogs using the hairbrush technique. | a total of 178 cats and 59 dogs in palmerston north, new zealand were sampled for the presence of keratinophilic fungi on their pelage; 57.8% had fungi. the fungi were classified in 20 genera with the predominant species being members of the genera; chrysosporium, microsporum and trichophyton. cats were the major carriers of keratinolytic fungi. 18.5% of the cats and 5.1% of the dogs were either carriers or infected with m. canis. microsporum canis was a frequent isolate and its distribution had ... | 1996 | 8981779 |
| unusual microsporum canis infections in adult hiv patients. | tinea capitis in men, even if infected with hiv, is infrequent. microsporum species nail infections are extremely rare. in most cases microsporum canis infection is usually easy to treat with antifungal agents. we describe two hiv-infected men with an unusual m. canis infection. both patients had tinea capitis, presenting as alopecia in one and scaling of the scalp in the other. one patient also had tinea unguium caused by m. canis. ketoconazole was ineffective in both patients; terbinafine was ... | 1996 | 8912591 |
| diagnostic results in animal dermatophytoses. | superficial mycoses caused by dermatophytes, as well as asymptomatic carriership of dermatophytes, have a high prevalence among domestic animals and pets. we examined 606 clinical specimens from skin lesions of animals with a significant tendency towards superficial mycosis due to their clinical features. samples were obtained from horses, dogs, cats, small rodents, birds, and rabbits. the specimens were examined by microscopic and cultural techniques. microscopically, there was no significant d ... | 1996 | 8976618 |
| tinea capitis in adults. | between 1973 and 1994, 17 cases of tinea capitis in adults were observed in the dermatology clinic of the university of cagliari (italy). the patients were all women (age range 17-76 years) and came from the district of cagliari. at the time of referral, they presented with a disease duration varying from 8 to 10 months. the main clinical feature was scalp lesions, but in two cases mycotic lesions on the face were also present. the following dermatophytes were isolated: microsporum canis (eight ... | 1996 | 9009649 |
| psoriasiform id reaction in tinea corporis. | a case of tinea corporis due to microsporum canis followed by a scattered psoriasiform eruption is reported. the nature, clinical features and pathogenesis of the dermatophytid are discussed. | 1996 | 9009651 |
| subcutaneous mycosis in a cat due to staphylotrichum coccosporum. | a 5.5-year-old, male, feline leucosis virus-positive cat developed a concurrent dermatophytosis due to microsporum canis and a subcutaneous infection due to staphylotrichum coccosporum. st. coccosporum caused mycetoma-like lesions. the fungal elements revealed features like those seen in phaeohyphomycosis. until now st. coccosporum has been described to be non-pathogenic. the pathogenicity of st. coccosporum was corroborated by experimental infection. | 1996 | 9009663 |
| human androgenic steroids affect growth of dermatophytes in vitro. | hormonal effects on fungal growth are of particular interest to medical mycology. in the skin, androgenic steroids metabolized within pilosebaceous units may have direct effects on dermatophytes that invade hair follicles. in this study, 10(-1) to 10(2) mg 1(-1) testosterone, 5-alpha-dihydrotestosterone, dehydroepiandrosterone, androstenedione and androstanedione were used in agar dilution assays to test their effects on thallus diameters of trichophyton rubrum, epidermophyton floccosum, t. tons ... | 1996 | 9009664 |
| dermatophytoses in the gdańsk area, poland: a 12-year survey. | a survey of dermatophytes and dermatophytoses was carried out among patients of the department of dermatology, medical university of gdańsk, in the years 1984-95. over the 12-year period, 1195 cases of ringworm were seen: 55% in men and 45% in women. listing the dermatophytes isolated and their frequencies as a percentage of the total are as follows: trichophyton mentagrophytes 42.1%, microsporum canis 26.0%, trichophyton rubrum 14.7%, epidermophyton floccosum 11.0%, trichophyton tonsurans 4.6%, ... | 1996 | 9009667 |
| itraconazole responsive tinea capitis in an hiv-infected child. | tinea capitis has not been reported to be a prevalent or serious affliction in pediatric patients infected with the human immunodeficiency virus (hiv). we report tinea capitis due to microsporum canis in a boy infected with hiv. after failing conventional therapy, he was treated successfully with a four-week course of itraconazole. his immunologic status improved during therapy. the possible relationship of this response to the ultimate resolution of disease is discussed. | 1996 | 8844753 |
| partial characterization of proteolytic enzymes of microsporum canis and microsporum cookei. | characterization by proteinase inhibitors of the enzymes produced by microsporum spp. revealed that microsporum canis and microsporum cookei produce serine proteinase(s), but only m. canis expresses aspartic and cysteine proteinases and probably a metalloproteinase. both m. canis and m. cookei expressed metalloelastinolytic proteinases. all the proteinase types have been implicated in the pathogenicity of a wide range of microorganisms. | 1996 | 9009645 |
| microsporum canis infections in children: results of a new oral antifungal therapy. | clinical and laboratory data from 22 children with tinea corporis and tinea capitis caused by microsporum canis (10 tinea corporis, 12 tinea capitis), confirmed by microscopic examination and culture and partly pretreated with griseofulvin or terbinafine, are summarized. the children were treated consecutively with itraconazole in our clinic during 1994/95. the age of the children ranged between 4 and 13 years, with girls being affected much more frequently than boys. oral, individually adapted, ... | 1996 | 9009643 |
| in vitro evaluation of antifungal properties of 8.o.4'-neolignans. | eighteen racemic 8.o.4'-neolignans with six different substitution patterns in rings a and b, in their ketone and in their erythro and threo alcoholic forms, were evaluated for antifungal activity by the agar dilution method. only the alcohols exhibited a broad spectrum of activities against microsporum canis, microsporum gypseum, tricophyton mentagrophytes, tricophyton rubrum, and epidermophyton floccosum. (+/-)-erythro-3,4-(methylenedioxy) -7-hydroxy-1'-allyl-3',5'-dimethoxy-8.o.4'-neolignan ( ... | 1997 | 9249968 |