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Alpha-fetoprotein (AFP, α-fetoprotein; also sometimes called alpha-1-fetoprotein, alpha-fetoglobulin, or alpha fetal protein) is a protein [5] [6] that in humans is encoded by the AFP gene. [ 7 ] [ 8 ] The AFP gene is located on the q arm of chromosome 4 (4q13.3). [ 9 ]
Elevated alpha-fetoprotein refers to a state where alpha-fetoprotein levels are outside of the reference range. There are two categories of AFP tests: tests performed on serum (blood plasma), and tests performed on amniotic fluid. Tests performed on serum are further categorized by the reason for performing the test: maternal serum, adult tumor ...
It is a tetramer protein with 2 alpha and 2 gamma subunits. This is different from adult hemoglobin because it has 2 alpha and 2 beta subunits. Fetal hemoglobin is coded by a gene on chromosome 11. The gamma subunit on fetal hemoglobin contains a neutral and nonpolar amino acid at position 136, unlike the beta subunit of adult hemoglobin.
A clinical study of lectin-reactive alpha-fetoprotein as an early indicator of hepatocellular carcinoma in the follow-up of cirrhotic patients. Shiraki, K., Hepatology, 22, 802–807, 1985. Prognostic significance of lens culinaris agglutinin A-reactive alpha-fetoprotein in small hepatocellular carcinoma.
AFPep (alpha fetoprotein peptide) is an orally-active, cyclic, 9-amino acid, peptide with a molecular weight of 969 daltons and is derived from the anti-oncogenic active site (residues 472–479) of alpha fetoprotein (AFP). [1]
Males with pure embryonal carcinoma tend to have a normal amount of the protein alpha-fetoprotein in the fluid component of their blood. The finding of elevated amounts of alpha-fetoprotein is more suggestive of a mixed germ cell tumour, with the alpha-fetoprotein being released by the yolk sac tumour component. [citation needed]
One example of an oncofetal antigen is alpha-fetoprotein, which is produced by hepatocellular carcinoma and some germ cell tumors. Another example is carcinoembryonic antigen , which is elevated in people with colon cancer and other tumors.
11906 Ensembl ENSG00000140836 ENSMUSG00000038872 UniProt Q15911 Q61329 RefSeq (mRNA) NM_001164766 NM_006885 NM_007496 RefSeq (protein) NP_001158238 NP_008816 n/a Location (UCSC) Chr 16: 72.78 – 73.89 Mb Chr 8: 108.67 – 109.69 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Zinc finger homeobox protein 3 is a protein that in humans is encoded by the ZFHX3 gene. References ^ a b c ...