HBV genotype B/B3 and C/C1 are the major genotypes in Indonesia?

Previous studies revealed that HBV genotypes as well as mutations in the core promoter, precore or HBx gene have been shown to have an association with the clinical outcome of liver disease, however, this is still controversial. It is likely that this depends on the HBV genotype distribution in certain region. So far, there is no such data from Indonesia, which is a big country with a big population and a relatively high HBV carrier rate.

A research article to be published on August 28, 2009 in the World Journal of Gastroenterology addresses this question. The research team led by Dr. Utama from Mochtar Riady Institute for Nanotechnology, used samples from HBV-associated liver disease patients [chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma (HCC)]collected from several centers, to study the association between HBV genotype and mutations and clinical outcome of liver disease.

The study demonstrated that only HBV genotype B and C were detected among HBV-associated liver disease patients in Indonesia, and genotype B was predominant. It was found that HBV genotype, as well as the serotype, might not be associated with an increased risk of HCC. The double mutation (A1762T/G1764A) was associated with progression of liver disease, while T1753V mutation could be used as an indicator of liver cirrhosis rather than HCC.

Reference: Utama A, Purwantomo S, Siburian MD, Dhenni R, Gani RA, Hasan I, Sanityoso A, Miskad UA, Akil F, Yusuf I,Achwan WA, Soemohardjo S, Lelosutan SAR, Martamala
R, Lukito B, Budihusodo U, Lesmana LA, Sulaiman A, Tai S. Hepatitis B virus subgenotypes and basal core promoter mutations in Indonesia. World J Gastroenterol 2009; 15(32):
4028-4036

http://www.wjgnet.com/1007-9327/15/4028.asp

Correspondence to: Andi Utama, PhD, Molecular Epidemiology Division, Mochtar Riady Institute for Nanotechnology, Jalan Boulevard Jend, Sudirman 1688, Lippo Karawaci,Tangerang, Banten 15810, Indonesia

About World Journal of Gastroenterology

World Journal of Gastroenterology (WJG), a leading international journal in gastroenterology and hepatology, has established a reputation for publishing first class research on esophageal cancer, gastric cancer, liver cancer, viral hepatitis, colorectal cancer, and H pylori infection and provides a forum for both clinicians and scientists. WJG has been indexed and abstracted in Current Contents/Clinical Medicine, Science Citation Index Expanded (also known as SciSearch) and Journal Citation Reports/Science Edition, Index Medicus, MEDLINE and PubMed, Chemical Abstracts, EMBASE/Excerpta Medica, Abstracts Journals, Nature Clinical Practice Gastroenterology and Hepatology, CAB Abstracts and Global Health. ISI JCR 2008 IF: 2.081. WJG is a weekly journal published by WJG Press. The publication dates are the 7th, 14th, 21st, and 28th day of every month. WJG is supported by The National Natural Science Foundation of China, No. 30224801 and No. 30424812, and was founded with the name of China National Journal of New Gastroenterology on October 1, 1995, and renamed WJG on January 25, 1998.

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