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See detailUpdating corneofungimetry: a bioassay exploring dermatomycoses and antifungal susceptibility.
Pierard, Gérald ULg; Franchimont, Claudine ULg; Quatresooz, Pascale ULg

in Mycopathologia (2010), 169(1), 27-35

Superficial dermatomycoses are frequent conditions in humans and animals. Specific treatment modalities have been designed using a variety of different antifungal compounds. The need for antifungal ... [more ▼]

Superficial dermatomycoses are frequent conditions in humans and animals. Specific treatment modalities have been designed using a variety of different antifungal compounds. The need for antifungal susceptibility testing (AST) has been growing steadily over the last two decades due to the extending number of newer antifungal agents. Objective inter- and intraindividual comparisons of their respective efficacies are nearly impossible to perform in vivo. Currently, a series of standardized AST methods and interpretative guidelines have been designed. However, their clinical relevance for dermatomycoses is not consistent. The corneofungimetry bioassay was designed to test comparatively a series of antifungals on pathogenic fungi growing on sheets of human stratum corneum. Computerized morphometric assessments bring numerical values allowing statistical comparisons. Variants of corneofungimetry address more specific aspects related to fungal cell adhesion, fungitoxicity and lipid-dependent fungi. [less ▲]

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See detailDermatophytes and Dermatophytoses
Chaturvedi, Vishnu; Bouchara, Jean-Philippe; Mignon, Bernard ULg

in Mycopathologia (2008), 166(5-6), 235-424

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See detailEditorial: dermatophytes and dermatophytoses: a reappraisal for the twenty-first century
Bouchara, J. P.; Mignon, Bernard ULg; Chaturvedi, V.

in Mycopathologia (2008), 166(5-6), 235-237

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See detailUpdates on the epidemiology of dermatophyte infections.
Seebacher, Claus; Bouchara, Jean-Philippe; Mignon, Bernard ULg

in Mycopathologia (2008), 166(5-6), 335-352

The spectrum of dermatophytes isolated from skin lesions had changed in last 70 years. Before the Second World War in Germany, Microsporum audouinii and Epidermophyton floccosum ranked the first, whereas ... [more ▼]

The spectrum of dermatophytes isolated from skin lesions had changed in last 70 years. Before the Second World War in Germany, Microsporum audouinii and Epidermophyton floccosum ranked the first, whereas Trichophyton rubrum is the most common dermatophyte since the fifties of last century, accounting for 80-90% of the strains, followed by T. mentagrophytes. This evolution is typical for Central and North Europe and it needs to be connected with the increase in the incidence of tinea pedis. In contrast, in Southern Europe and in Arabic countries, zoophilic dermatophytes, such as Microsporum canis or Trichophyton verrucosum, are the most frequently isolated. In Europe, especially in Mediterranean countries, the incidence of M. canis infection has strongly increased during the recent years and this dermatophyte is now the most prevalent in tinea capitis in children. An analysis of the frequency and distribution of tinea pedis in different occupations and leisure-time activities as well as the routes of infection are reported. The spreading of this disease in most developed countries of the world represents a considerable economic problem, since it was accompanied by a parallel increase in the frequency of onychomycosis which implies, as tinea pedis, large financial charges. In poor developing countries, mycoses appear endemically, primarily with children, and their treatment often fails because of the lack of efficient antifungals. The particular epidemiological situations of dermatophytoses and the pathogenic spectrum of dermatophytes are examined at the example of numerous countries. [less ▲]

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See detailPathogenesis of dermatophytosis
Vermout, Sandy; Tabart, Jeremy; Baldo, Aline ULg et al

in Mycopathologia (2008), 166(5-6), 267-275

Despite the superficial localization of most dermatophytosis, host-fungus relationship in these infections is complex and still poorly elucidated. Though many efforts have been accomplished to ... [more ▼]

Despite the superficial localization of most dermatophytosis, host-fungus relationship in these infections is complex and still poorly elucidated. Though many efforts have been accomplished to characterize secreted dermatophytic proteases at the molecular level, only punctual insights have been afforded into other aspects of the pathogenesis of dermatophytosis, such as fungal adhesion, regulation of gene expression during the infection process, and immunomodulation by fungal factors. However, new genetic tools were recently developed, allowing a more rapid and high-throughput functional investigation of dermatophyte genes and the identification of new putative virulence factors. In addition, sophisticated in vitro infection models are now used and will open the way to a more comprehensive view of the interactions between these fungi and host epidermal cells, especially keratinocytes. [less ▲]

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