David S Perlin
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An increase in the frequency of azole-resistant Aspergillus fumigatus has emerged.
Invasive fungal infections cause morbidity and mortality in severely ill patients, and limited drug classes restrict treatment choices. The echinocandin drugs are the first new class of antifungal… Expand
ABSTRACT An association between reduced susceptibility to echinocandins and changes in the 1,3-β-d-glucan synthase (GS) subunit Fks1p was investigated. Specific mutations in fks1 genes from… Expand
BACKGROUND Fluconazole (FLC) resistance is common in C. glabrata and echinocandins are often used as first-line therapy. Resistance to echinocandin therapy has been associated with FKS1 and FKS2 gene… Expand
The CLSI established clinical breakpoints (CBPs) for caspofungin (CSF), micafungin (MCF) and anidulafungin (ANF) versus Candida. The same CBP (susceptible (S): MIC ≤ 2 mcg/ml; non-S: MIC > 2 mcg/ml)… Expand
ABSTRACT Candida parapsilosis has emerged as a common cause of invasive fungal infection, especially in Latin America and in the neonatal setting. C. parapsilosis is part of a closely related group… Expand
ABSTRACT A detailed kinetic characterization of echinocandin inhibition was performed for mutant 1,3-β-d-glucan synthase enzymes from clinical isolates of Candida albicans with nine different FKS1… Expand
ABSTRACT Resistance of clinical isolates of Candida albicans to the echinocandin drug caspofungin is slowly emerging and is linked to mutations in short conserved regions in the FKS1 gene. The most… Expand
ABSTRACT A collection of Aspergillus fumigatus mutants highly resistant to itraconazole (RIT) at 100 μg ml−1 were selected in vitro (following UV irradiation as a preliminary step) to investigate… Expand
BACKGROUND Oral triazole therapy is well established for the treatment of invasive (IPA), allergic (ABPA), and chronic pulmonary (CPA) aspergillosis, and is often long-term. Triazole resistance rates… Expand