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Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand

หน่วยงาน มหาวิทยาลัยเชียงใหม่

รายละเอียด

ชื่อเรื่อง : Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand
นักวิจัย : Jutavijittum P. , Jiviriyawat Y. , Yousukh A. , Pantip C. , Maneekarn N. , Toriyama K.
คำค้น : -
หน่วยงาน : มหาวิทยาลัยเชียงใหม่
ผู้ร่วมงาน : -
ปีพิมพ์ : 2552
อ้างอิง : 01251562 , 19842432 , http://www.scopus.com/inward/record.url?eid=2-s2.0-67650228091&partnerID=40&md5=b8f71179aeb0e8d79a854083d2c29efc , http://www.ncbi.nlm.nih.gov/pubmed/19842432 , http://cmuir.cmu.ac.th/handle/6653943832/2860
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : -
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

The purpose of this study was to determine the prevalence and distribution of HCV genotypes among voluntary blood donors in northern Thailand. From 1998 to 2000,167 serum samples which tested positive for anti-HCV antibodies in the screening of voluntary blood donors from 5 provinces in northern Thailand were selected for genotyping. Viral RNA was extracted from the sera. The core-El region of the HCV- RNA genome was amplified using a OneStep RT-PCR kit. The core-El amplicon was sequenced and the HCV genotype was assigned by comparing with the reference sequences available in the GenBank database. Of 167 anti-HCV positive serum samples, 126 (75.4%) contained HCV RNA as detected by PCR. HCV genotype 3 was the most predominant genotype (39.6%), of which 33.3% belonged to genotype 3a and 6.3% to 3b. Genotype 6 was detected in 31%, and genotype 1 was detected in 27.8%. Of the genotype 1 isolates, 14.3% were la, 12.7% were lb, and 0.8% were lc. Two HCV isolates detected in the present study were untypeable. About 75% of anti-HCV positive blood donors had chronic HCV infection. In northern Thailand, genotype 3a was the most predominant genotype, while genotype 6, la and lb were also commonly found. The genotypic distribution of HCV isolates from various regions of Thailand were more or less similar. Nevertheless, in this study, the prevalence of HCV genotype 6 (31%) was higher than previously reported by others (8-18%). Phylogenetic analysis of the HCV isolates detected in the present study was also performed.

บรรณานุกรม :
Jutavijittum P. , Jiviriyawat Y. , Yousukh A. , Pantip C. , Maneekarn N. , Toriyama K. . (2552). Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand.
    เชียงใหม่ : มหาวิทยาลัยเชียงใหม่ .
Jutavijittum P. , Jiviriyawat Y. , Yousukh A. , Pantip C. , Maneekarn N. , Toriyama K. . 2552. "Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand".
    เชียงใหม่ : มหาวิทยาลัยเชียงใหม่ .
Jutavijittum P. , Jiviriyawat Y. , Yousukh A. , Pantip C. , Maneekarn N. , Toriyama K. . "Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand."
    เชียงใหม่ : มหาวิทยาลัยเชียงใหม่ , 2552. Print.
Jutavijittum P. , Jiviriyawat Y. , Yousukh A. , Pantip C. , Maneekarn N. , Toriyama K. . Genotypic distribution of hepatitis c virus in voluntary blood donors of northern Thailand. เชียงใหม่ : มหาวิทยาลัยเชียงใหม่ ; 2552.