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Antibodies to hepatitis C virus and hepatitis C virus infection. 1993

N Yuki, and N Hayashi, and A Kasahara, and H Hagiwara, and H Fusamoto, and T Kamada
First Department of Medicine, Osaka University Medical School, Japan.

The authors studied the interrelationship of antibody to hepatitis C virus core protein (anti-HCV core), antibody to C100-3 antigen (anti-C100-3) and serum hepatitis C virus RNA positivity in chronic liver disease patients. Anti-HCVcore was detected with high titers in 95% (69/73) of chronic non-A, non-B hepatitis patients, while anti-C100-3 was found in 60% (44/73). A close relationship was observed between detection of anti-HCVcore and viremia. Anti-HCVcore was also detected with low titers in 24% (10/41) of hepatitis B virus carriers negative for anti-C100-3. Hepatitis C virus RNA was found in 3 of the 10 anti-HCVcore-positive carriers. A significant correlation was observed between the occurrence of high titers of anti-HCVcore and serum hepatitis C virus RNA positivity. In chronic hepatitis C patients treated with interferon-alpha, a sustained reduction of anti-HCVcore was more closely associated with sustained virus clearance than that of anti-C100-3. These results indicate that anti-HCVcore may serve as a reliable marker of hepatitis C virus infection.

UI MeSH Term Description Entries
D006508 Hepatitis Antibodies Immunoglobulins raised by any form of viral hepatitis; some of these antibodies are used to diagnose the specific kind of hepatitis. Antibodies, Hepatitis
D006526 Hepatitis C INFLAMMATION of the LIVER in humans caused by HEPATITIS C VIRUS, a single-stranded RNA virus. Its incubation period is 30-90 days. Hepatitis C is transmitted primarily by contaminated blood parenterally and is often associated with transfusion and intravenous drug abuse. However, in a significant number of cases, the source of hepatitis C infection is unknown. Hepatitis, Viral, Non-A, Non-B, Parenterally-Transmitted,Parenterally-Transmitted Non-A, Non-B Hepatitis,PT-NANBH,Parenterally Transmitted Non A, Non B Hepatitis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA
D014758 Viral Core Proteins Proteins found mainly in icosahedral DNA and RNA viruses. They consist of proteins directly associated with the nucleic acid inside the NUCLEOCAPSID. Core Proteins, Viral,Major Core Protein,Major Core Proteins, Viral,Adenovirus Core Protein VII,Core Protein V,Core Protein lambda 2,Influenza Virus Core Proteins,Major Core Protein lambda 1,Major Core Protein lambda-1,Major Core Protein sigma 2,Major Core Protein sigma-2,OVP 19,Oncornaviral Protein P19,P30 Core Proteins,Viral Protein P19,Virus Core Proteins,Core Protein, Major,Core Proteins, P30,Core Proteins, Virus,Protein P19, Oncornaviral,Protein P19, Viral,Protein, Major Core,Proteins, P30 Core,Proteins, Viral Core,Proteins, Virus Core
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain
D016174 Hepacivirus A genus of FLAVIVIRIDAE causing parenterally-transmitted HEPATITIS C which is associated with transfusions and drug abuse. Hepatitis C virus is the type species. Hepatitis C virus,Hepatitis C-Like Viruses,Hepaciviruses,Hepatitis C Like Viruses,Hepatitis C viruses,Hepatitis C-Like Virus
D016898 Interferon-alpha One of the type I interferons produced by peripheral blood leukocytes or lymphoblastoid cells. In addition to antiviral activity, it activates NATURAL KILLER CELLS and B-LYMPHOCYTES, and down-regulates VASCULAR ENDOTHELIAL GROWTH FACTOR expression through PI-3 KINASE and MAPK KINASES signaling pathways. Interferon Alfa,Interferon, Leukocyte,Interferon, Lymphoblast,alpha-Interferon,IFN-alpha D,IFN-alpha5,Interferon alpha-1,Interferon alpha-17,Interferon alpha-4,Interferon alpha-5,Interferon alpha-7,Interferon alpha-88,Interferon alpha-J,Interferon alpha-T,Interferon alpha4,Interferon alpha5,Interferon, Lymphoblastoid,Interferon, alpha,LeIF I,LeIF J,Leif D,IFN alpha D,IFN alpha5,Interferon alpha,Interferon alpha 1,Interferon alpha 17,Interferon alpha 4,Interferon alpha 5,Interferon alpha 7,Interferon alpha 88,Interferon alpha J,Interferon alpha T,Leukocyte Interferon,Lymphoblast Interferon,Lymphoblastoid Interferon,alpha Interferon
D017361 Viral Nonstructural Proteins Proteins encoded by a VIRAL GENOME that are not structural components of VIRUS PARTICLES. Some of these proteins may play roles within the infected cell during VIRUS REPLICATION or act in regulation of virus replication or VIRUS ASSEMBLY. Nonstructural Proteins, Viral,NS Proteins, Viral,Viral NS Proteins,Viral Non-Structural Proteins,Viral Nonstructural Protein,Viral Nonstructural Proteins NS1,Viral Nonstructural Proteins NS2,Nonstructural Protein, Viral,Viral Non Structural Proteins

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