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  1. Hsiao YH, Chen C, Han HS, Kano R
    J Vet Med Sci, 2018 Jun 06;80(6):898-900.
    PMID: 29657238 DOI: 10.1292/jvms.17-0680
    A 2-year-old, exotic shorthair cat presented with baldness and mild scaling on trunk that was confirmed as Microsporum canis (M. canis) infection by the following methods. Wood's lamp and trichogram were used to demonstrate fungal elements suggestive of dermatophytosis consistent with M. canis. Dermatophyte test medium (DTM) and polymerase chain reaction (PCR) were used for identification. E-test and broth microdilution test were then utilized to estimate antifungal minimal inhibitory concentrations (MICs) towards ITZ and TRF respectively. The strain was isolated from the patient and revealed TRF MIC >32 µg/ml and ITZ MIC 0.023 µg/ml. Patient was cured of dermatophytosis with systemic ITZ.
  2. Kano R, Hsiao YH, Siew HH, Chen C, Hasegawa A, Kamata H
    Mycopathologia, 2018 Jan 16.
    PMID: 29340910 DOI: 10.1007/s11046-018-0242-0
    To clarify the terbinafine (TRF) resistance mechanism in a TRF-resistant strain of Microsporum canis, the expression of the pleiotropic drug resistance (PDR1), multidrug resistance (MDR1), MDR2 and MDR4 genes were investigated by real-time quantitative PCR (RT-qPCR) analysis, given the known interaction of the corresponding proteins with antifungals and with the efflux blocker FK506. The expression of the PDR1, MDR1, MDR2 and MDR4 genes was 2-4 times higher in the TRF-resistant strain grown in the presence of 0.14 µg/mL of TRF than in TRF-susceptible strains cultured in the absence of TRF. The TRF-resistant strain exhibited MICs of > 32 µg/mL for TRF alone; this resistance was attenuated to an MIC of 8 µg/mL in the presence of FK506, indicating that the TRF inhibitory concentration index value was
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