分子克隆和肝炎G病毒的疾病关联:一种输血可传播的药物
J Linnen1, J Wages, Z Y Zhang-Keck
1Genelabs Technologies, Redwood City, CA 94063, USA.
概括
肝炎G病毒 (HGV) 是一种RNA病毒,导致急性和慢性肝炎,并可能持续数年. 这种输血可传播的病毒在全球存在,包括在美国的献血者身上.
科学领域:
- 病毒学 病毒学
- 肝病学 肝病学是一种肝病学.
- 传染性疾病 传染性疾病
背景情况:
- 肝炎G病毒 (HGV) 是一种RNA病毒,在慢性肝炎患者中被发现.
- HGV与GB病毒C (GBV-C) 具有遗传相似性,与型肝炎病毒 (HCV) 有着遥远的关系.
研究的目的:
- 描述新发现的G型肝炎病毒 (HGV) 的基因组和临床关联.
主要方法:
- 测序互补DNA克隆,以确定HGV的完整基因组.
- 病毒RNA的分析以确定编码的多蛋白质.
- 临床数据审查,以评估HGV与肝炎的相关性和病毒病持续时间.
主要成果:
- 完整的HGV基因组是9392个核酸,编码一个2873-氨基酸多蛋白.
- 高血压病毒与急性和慢性肝炎有关.
- 在感染患者中观察到持续长达9年的持续性病毒血.
- HGV是通过输血传播的,并且在全球分布,在美国的献血者中发现.
结论:
- 肝炎G病毒 (HGV) 是病毒性肝炎的重要原因,具有长期持久性的潜力.
- 全球HGV的流行率和输血传染性突显了它的公共卫生重要性.
相关概念视频
Blood Transfusion and Agglutination
Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
Blood Transfusion
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Pharmacokinetics: Drug–Food and Drug–Viral Interactions
A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of many...
Transmission of Pathogens
Pathogens spread from their reservoirs to susceptible hosts through three main routes: contact transmission, vehicle transmission, and vector transmission. Each route involves distinct mechanisms of transfer.Contact TransmissionThis category includes direct contact, indirect contact, and droplet transmission:Direct contact involves immediate physical interaction between individuals—such as a handshake—which can spread pathogens like Streptococcus pyogenes, the bacterium responsible for...
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. The...
Viral Hepatitis I: Introduction
Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...


