Related Experiment Video

Updated: Mar 30, 2026

Author Spotlight: Advancements and Challenges in Hepatitis B Virus Detection
04:11

Author Spotlight: Advancements and Challenges in Hepatitis B Virus Detection

Published on: December 15, 2023

5.2K

[Distribution of HCV genotypes in Chinese Han population with chronic hepatitis C]

Xiao-rong Mao1, Li-ting Zhang1, Ni Jiang1

  • 1Department of Infectious Diseases, the First Hospital of Lanzhou University, Lanzhou 730000, China.

Zhejiang Da Xue Xue Bao. Yi Xue Ban = Journal of Zhejiang University. Medical Sciences
|November 12, 2015
PubMed

Insights

Hepatitis C virus (HCV) genotype 1 is most common in China. HCV genotype distribution varies by region and is linked to patient gender and viral load.

Area of Science:

  • Hepatology
  • Virology
  • Epidemiology

Background:

  • Chronic hepatitis C (CHC) affects numerous individuals globally.
  • Understanding the distribution of hepatitis C virus (HCV) genotypes is crucial for effective treatment and public health strategies.
  • The epidemiology of HCV in China, particularly among the Han population, requires detailed regional analysis.

Purpose of the Study:

  • To investigate the geographical distribution of hepatitis C virus (HCV) genotypes within the Chinese Han population.
  • To analyze the correlation between HCV genotypes, patient gender, and viral load (HCV-RNA levels).

Main Methods:

  • A randomized multicenter study involving 1,014 CHC patients across 28 hospitals in China.
  • Statistical analysis using SPSS 20.0 to examine relationships between region, HCV genotype, gender, and HCV-RNA replication levels.

Main Results:

  • Hepatitis C virus (HCV) genotype 1 was the predominant genotype, found in 56.80% of patients.
  • Genotypes 1, 2, 3, and 6 were most frequent overall, with regional variations observed.
  • Significant correlations were found between specific HCV genotypes, gender, and geographical regions (P <0.05).
  • Higher HCV-RNA viral loads were more prevalent in patients infected with genotypes 1, 2, 3, and 6.

Conclusions:

  • Significant regional variations in HCV genotype distribution exist across China.
  • HCV genotype prevalence is associated with patient gender and geographical location.
  • HCV genotype is also correlated with the replication level of HCV-RNA, indicating potential differences in disease progression or response to treatment.
Abstract

More Related Videos

Detection of Low Copy Number Integrated Viral DNA Formed by In Vitro Hepatitis B Infection11:14

Detection of Low Copy Number Integrated Viral DNA Formed by In Vitro Hepatitis B Infection

Published on: November 7, 2018

19.0K
A Protocol for Analyzing Hepatitis C Virus Replication13:04

A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

24.8K

Related Concept Videos

Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver.
37
Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
19.8K
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
95
Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes01:28

Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes

Cytochrome P450 (CYP450) enzymes are a superfamily of heme-containing monooxygenases that play a pivotal role in Phase I drug metabolism by catalyzing oxidation and reduction reactions.These enzymes transform lipophilic xenobiotics into more hydrophilic metabolites, facilitating subsequent Phase II conjugation and eventual excretion. The CYP450 family is classified into families (e.g., CYP1–CYP3) and subfamilies (e.g., CYP2A, CYP2C), based on amino acid sequence homology.CYP450...
158