สืบค้นงานวิจัย
Molecular epidemiology of cryptococcal genotype VNIc/ST5 in Siriraj Hospital, Thailand
Hatthakaroon C. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Molecular epidemiology of cryptococcal genotype VNIc/ST5 in Siriraj Hospital, Thailand
ผู้แต่ง / หัวหน้าโครงการ (EN): Hatthakaroon C.
บทคัดย่อ (EN): Despite the strong association between Cryptococcus neoformans infection and the Human immunodeficiency virus (HIV) status of patients globally, most cryptococcosis cases in Far East Asia occur in non-HIV individuals. Molecular epidemiological studies, using multilocus sequence typing (MLST), have shown that more than 95% of cryptococcal strains belong to a specific subtype of VNI. However, this association has never been specifically examined in other parts of Asia. Therefore, in this study, we investigated the VNIc/ST5 genotype distribution among cryptococcosis patients in Thailand. Fifty-one C. neoformans isolates were collected from clinical samples in Siriraj Hospital, Bangkok, Thailand. The strains were predominantly isolated from HIV-positive patients (88.57%) and all were molecular type VNI MATa. An MLST analysis identified five sequence types (ST) in Siriraj Hospital, of which ST4 (45.10%) and ST6 (35.29%) were most common, and ST5 (15.69%), ST32 (1.96%), and ST93 (1.96) were less common. Contrary to reports from Far East Asia, ST5 was predominantly (83.33%) found in HIV patients (P = 0.657), and there was no significant change in the prevalence of ST5 over the past 10 years (P = 0.548). A further analysis of comorbidities showed higher morbidity and delays in the cryptococcal diagnosis in patients with tuberculosis coinfection or without HIV. Our study suggests that although the Thai population is genetically closely related to the Far East Asian population, ST5 is not associated with nonHIV status in Thailand. Therefore, this association may not be related to the host's genetic background. However, its mechanism remains unclear. © 2017 Hatthakaroon et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85016141179&doi=10.1371%2fjournal.pone.0173744&partnerID=40&md5=82eb7502727487643bb2c0f41d477e88
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Young Adult
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Molecular epidemiology of cryptococcal genotype VNIc/ST5 in Siriraj Hospital, Thailand
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