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Medical Mycology Journal

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https://www.readbyqxmd.com/read/28250365/term-13
#1
(no author information available yet)
No abstract text is available yet for this article.
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250364/epidemiological-study-of-fusarium-species-causing-invasive-and-superficial-fusariosis-in-japan
#2
Yasunori Muraosa, Misato Oguchi, Maki Yahiro, Akira Watanabe, Takashi Yaguchi, Katsuhiko Kamei
In Japan, Fusarium species are known etiological agents of human fungal infection; however, there has been no report of a large-scale epidemiological study on the etiological agents of fusariosis. A total of 73 Fusarium isolates from patients with invasive fusariosis (IF, n= 36) or superficial fusariosis (SF, n= 37), which were obtained at hospitals located in 28 prefectures in Japan between 1998 and 2015, were used for this study. Fusarium isolates were identified using Fusarium- and Fusarium solani species complex (FSSC) -specific real-time PCR and partial DNA sequences of the elongation factor-1 alpha (EF-1α) gene and the nuclear ribosomal internal transcribed spacer (ITS) region...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250363/resistance-of-aspergillus-fumigatus-to-micafungin-is-increased-by-exogenous-%C3%AE-glucan
#3
Takashi Toyoshima, Ken-Ichi Ishibashi, Daisuke Yamanaka, Yoshiyuki Adachi, Naohito Ohno
Aspergillus species are ubiquitous in the environment and Aspergillus fumigatus can cause life-threatening infections in immunocompromised patients. β-1,3-/1,6-glucan is a major fungal cell wall polysaccharide that has various biological effects on the infected host, but little is known about the influence of β-glucan on the fungus itself. In a previous study, we demonstrated that the cell wall β-glucan content could be increased in Aspergillus spp. by addition of β-glucan to the culture medium. In this study, we investigated the influence of β-glucan on the susceptibility of A...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250362/technical-aspects-and-applications-for-developing-in-situ-hybridization-procedures-for-formalin-fixed-and-paraffin-embedded-ffpe-tissues-for-diagnosis-of-fungal-infections
#4
Minoru Shinozaki, Naobumi Tochigi, Sota Sadamoto, Somay Yamagata Murayama, Megumi Wakayama, Tetsuo Nemoto, Kazutoshi Shibuya
Although histopathology is required for definitive diagnosis of fungal infections, conclusive identification and discrimination of fungi in tissue sections and cytological preparations remain technically difficult. Therefore, new diagnostic tools are needed for the routine diagnosis of pathogenic fungi. In situ hybridization (ISH) is a non-culture based procedure that has many advantages over traditional diagnostics for identification of pathogenic fungi in histological specimens. This review highlights the basic ISH technique, with particular emphasis on using pretreatment of tissue sections prior to hybridization to solve problems associated with formalin fixation...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250361/a-patient-with-cystic-granuloma-trichophyticum-who-required-surgical-resection
#5
Takehiko Kaneko, Michiyo Kaneko
A 62-year-old male with numerous subcutaneous nodules in the lower extremities was referred to The University of Tokyo Hospital. The patient suffered from systemic lupus erythematosus (SLE), diabetes mellitus, and persisting hepatic dysfunction, and had been treated for SLE with oral prednisolone 20 mg/day and oral cyclosporine 3 mg/kg/day. The culture of scales collected from the patient's skin surface on Sabouraud's dextrose agar medium showed features of Trichophyton rubrum. Topically applied bifonazole cream was effective for tinea corporis, but oral griseofulvin 500 mg/day was discontinued after 2-month administration because of deteriorated liver function...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250360/a-new-amino-acid-substitution-at-g150s-in-lanosterol-14-%C3%AE-demethylase-erg11-protein-in-multi-azole-resistant-trichosporon-asahii
#6
Hisako Kushima, Issei Tokimatsu, Hiroshi Ishii, Rie Kawano, Kentaro Watanabe, Jun-Ichi Kadota
The mechanisms of azole resistance in Trichosporon asahii have not yet been fully clarified. We previously showed that T. asahii has the ERG11 gene, coding lanosterol 14-α-demethylase (Erg11 protein; Erg11p), which is the primary target of azoles. A single amino acid substitution at G453R in Erg11p was found to induce changes in the affinity of this enzyme for azoles, especially fluconazole, in vitro. In the present study, we investigated the DNA sequences of the ERG11 gene using six different strains of clinically isolated T...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250359/candida-albicans-adheres-to-chitin-by-recognizing-n-acetylglucosamine-glcnac
#7
Sanae A Ishijima, Tsuyoshi Yamada, Naho Maruyama, Shigeru Abe
The binding of Candida albicans cells to chitin was examined in a cell-binding assay. Microscopic observations indicated that both living and heat-killed Candida cells bound to chitin-coated substrates. C. albicans preferentially bound to chitin-coated plastic plates over chitosan-coated and uncoated plates. We prepared (125)I-labeled Candida cells for quantitative analysis of their binding to chitin. Heat-killed (125)I-labeled Candida cells bound to chitin-coated plates in a time-dependent manner until 1.5 hours after start of incubation at 4℃...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28250358/comprehensive-analysis-of-the-fungal-microbiota-of-the-human-external-auditory-canal-using-pyrosequencing
#8
Otomi Cho, Takashi Sugita
We previously reported that the Malassezia microbiota of the external auditory canal were composed principally of Malassezia slooffiae and Malassezia restricta. In the present study, the fungal microbiota of the external auditory canal were comprehensively analyzed by pyrosequencing on an FLX-454 platform. Of 17 samples tested, the fungal microbiota of 14 samples were composed of > 90% Malassezia species; either M. slooffiae or M. restricta was abundant in individual samples. The external auditory canal exhibits a lower fungal diversity than do other bodily sites...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904074/prophylactic-effect-of-lactobacillus-pentosus-strain-s-pt84-on-candida-infection-and-gastric-inflammation-in-a-murine-gastrointestinal-candidiasis-model-errata
#9
Toshihiro Maekawa, A Sanae Ishijima, Masayuki Ida, Takayuki Izumo, Yoshiko Ono, Hiroshi Shibata, Shigeru Abe
We previously showed a prophylactic effect of Lactobacillus pentosus strain S-PT84 against oral candidiasis in mice. In the present study, we evaluated the protective effect of S-PT84 against Candida infection of the gastrointestinal tract. As the first step, we used an in vitro assay to compare the inhibitory effects of several lactobacilli (S-PT84 and Lactobacillus pentosus type strain JCM1558(T), Lactobacillus gasseri type strain JCM1131(T) and Lactobacillus casei type strain JCM1134(T)) on mycelial growth of Candida albicans...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904064/term-12
#10
(no author information available yet)
No abstract text is available yet for this article.
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904063/onychomycosis
#11
Tomotaka Sato
No abstract text is available yet for this article.
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904062/promising-therapies-for-fungal-infection-based-on-the-study-to-elucidate-mechanisms-to-cope-with-stress-in-candida-species
#12
Kazuyuki Hirai, Tatsuya Inukai, Hironobu Nakayama
In recent years, the incidence of fungal infections has been increasing, particularly among patients with immune systems compromised by human immunodeficiency virus infection, organ transplantation, and/or chemotherapy for cancer. Current therapies for treating systemic fungal infection have limited effectiveness and have created problems of adverse reactions and drug resistance. These issues therefore motivate us to develop novel antifungals. Elucidation of stress response mechanisms and virulence factors in pathogenic fungi is required in developing an effective antifungal strategy...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904061/diagnosis-and-treatment-of-mucormycosis-in-patients-with-hematological-malignancies
#13
Yuki Asano-Mori
The risk of invasive fungal infections (IFIs) is extremely high in patients with hematological malignancies due to the prolonged and profound neutropenia and immunosuppression after chemotherapy and hematopoietic stem cell transplantation. There has been increasing interest in mucormycosis despite its relatively uncommon occurrence, because occasional breakthrough infections have been observed under anti-aspergillus prophylaxis. The aggressive nature of mucormycosis easily leads to high mortality because of delays in diagnosis and incorrect treatment decisions, which are due in part to lack of adjunctive diagnostic tools and having similar clinical and radiological features with aspergillosis...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904060/causative-agents-of-aspergillosis-including-cryptic-aspergillus-species-and-a-fumigatus
#14
Takahito Toyotome
Aspergillosis is an important deep mycosis. The causative agents are Aspergillus fumigatus, Aspergillus flavus, Aspergillus niger, and Aspergillus terreus, of which A. fumigatus is the most prevalent. Cryptic Aspergillus spp., which morphologically resemble representative species of each Aspergillus section, also cause aspergillosis. Most of the cryptic species reveal different susceptibility patterns and/or different secondary metabolite profiles, also called exometabolome in this manuscript, from those representative species...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904059/comparison-of-characteristics-of-two-topical-therapeutic-agents-for-onychomycosis
#15
Tsuyoshi Shimamura, Akiko Miyamae, Ami Imai, Kozue Hirayanagi, Tomoyuki Iwanaga, Nobuo Kubota, Kazutoshi Shibuya
Two topical therapeutic agents were approved in Japan from 2015 to 2016, adding new options for onychomycosis therapy in the clinical field. In order to confirm the differences of formulation properties and nail pharmacokinetics between 5% luliconazole solution and 10% efinaconazole solution, drug concentration and antifungal activity in the nail were measured after topical treatment using human nail plates. In the in vitro permeation study, concentration of each drug was measured in the transversely sliced nail after single treatment with the two topical therapeutic agents...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904058/two-cases-of-chromomycosis-identified-by-molecular-phylogenetic-analysis
#16
Takayo Mitomo, Yukiko Ushigome, Tomoo Fukuda, Yoko Kano, Tetsuo Shiohara
Chromomycosis is an infection caused by dematiaceous fungi. These fungi belong to several genera with varied clinical presentations and parasitic forms. The disease is roughly classified into three types: chromoblastomycosis, black-grain mycetoma, and phaeohyphomycosis. While there are many kinds of dematiaceous fungi, the major etiologic agent is Fonsecaea pedrosoi, which to date has accounted for 90% of chromoblastomycosis cases. The genus Fonsecaea has recently been assessed via rRNA ITS sequence analysis, and species have been classified into F...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904057/potential-of-ravuconazole-and-its-prodrugs-as-the-new-oraltherapeutics-for-onychomycosis
#17
Hideyo Yamaguchi
Onychomycosis is a fungal infection of the nail apparatus caused by dermatophytes, Candida and non-dermatophytic molds. It is highly prevalent in the general population worldwide and also responsible for significant morbidity and complications and does not usually cure itself. Thus, the condition needs to be treated in view of physical and psychological problems produced. Currently, oral medications using terbinafine are the most effective therapy, but it has relatively limited therapeutic success, particularly for long-term management...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904056/prophylactic-effect-of-lactobacillus-pentosus-strain-s-pt84-on-candida-infection-and-gastric-inflammation-in-a-murine-gastrointestinal-candidiasis-model
#18
Toshihiro Maekawa, A Sanae Ishijima, Masayuki Ida, Takayuki Izumo, Yoshiko Ono, Hiroshi Shibata, Shigeru Abe
We previously showed a prophylactic effect of Lactobacillus pentosus strain S-PT84 against oral candidiasis in mice. In the present study, we evaluated the protective effect of S-PT84 against Candida infection of the gastrointestinal tract. As the first step, we used an in vitro assay to compare the inhibitory effects of several lactobacilli (S-PT84 and Lactobacillus pentosus type strain JCM1558(T), Lactobacillus gasseri type strain JCM1131(T) and Lactobacillus casei type strain JCM1134(T)) on mycelial growth of Candida albicans...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904055/the-first-isolation-of-aspergillus-allahabadii-from-a-cormorant-with-pulmonary-aspergillosis
#19
Sue Yee Lim, Rui Kano, Kenji Ooya, Shunta Kimura, Tokuma Yanai, Atsuhiko Hasegawa, Hiroshi Kamata
In this study, we report the first isolation of Aspergillus allahabadii from a Japanese cormorant with pulmonary aspergillosis. We performed molecular identification and antifungal susceptibility testing with the E-test. A 7-month-old male cormorant died because of uric acid deposition secondary to dehydration. Whitish nodular lesions were present on the caudal thoracic air sac in the right thoracic cavity. Histopathology revealed multifocal pyogranulomatous necrotic lesions with numerous fungal hyphae in the thoracic air sac...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904054/epidemiology-of-dermatophytoses-in-crete-greece
#20
Sofia Maraki, Viktoria Eirini Mavromanolaki
Dermatophytoses are among the most frequently diagnosed skin infections worldwide. However, the distribution of pathogenic species and the predominating anatomical sites of infection vary with geographical location and change over time. The aim of this study was to determine the epidemiological and aetiological factors of dermatophytoses in Crete, Greece over the last 5-year period (2011-2015) and their incidence in relation to the gender and the age of the patients. We compared our findings with those previously reported from the same area and from other parts of the world...
2016: Medical Mycology Journal
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