Tests
Hepatitis B Virus RNA Measurement
The determination of the amount of Hepatitis B virus RNA present in a sample.
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Tests
The determination of the amount of Hepatitis B virus RNA present in a sample.
Tests
A quantitative measurement of the antibody reaction of a biological specimen to the Hepatitis C virus.
Tests
The determination of the amount of hepatitis C virus core antigen in a biological sample.
Tests
The determination of the amount of herpes simplex virus 1 DNA in a biological sample.
Glossary Term
Having two different allelic forms of a gene, one inherited from each parent, on each of the two homologous chromosomes.
Glossary Term
Major protein component of chromatin. Highly conserved basic proteins, originally classified into classes based on the relative amounts of arginine and lysine in each protein. The various classes are now termed H1, H2A, H2B, H3, and H4. In chromatin, they are found in an octamer, containing two each of H2A, H2B, H3, and H4, complexed with DNA in nucleosomes. The histones in the octamer complex are also known as the core histones. The H1 class of histones, termed the linker histones, is loosely associated with the nucleosome.
Tests
The determination of the amount of HLA class IA histocompatibility antigen present in a sample.
Tests
The determination of the ratio of the human leukocyte antigen DR (HLA-DR) to leukocytes present in a sample. The measurement may be expressed as a ratio or percentage.
Tests
The determination of the amount of HLA-DR51 antibody present in a sample.
Tests
The determination of the amount of HLA-DR53 antibody present in a sample.
Indicators
This gene plays a role in both DNA binding and transcriptional modulation.
Glossary Term
The process of exchange of genetic material between autonomous replicons, which depends on regions of extensive sequence homology between the participating DNA strands. This process involves double-strand breakage of one participant, resection of the break, and strand invasion, followed by formation, displacement and resolution of the Holliday junction. This process is involved in repairing broken DNA and creating combinations of genes that may be unique from the parent duplexes. Disruptions in this process can result in inviability, premature aging and predisposition to cancers and degenerative diseases.