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The MN blood group system is under the control of an autosomal locus found on chromosome 4, with two alleles designated L M and L N. The blood type is due to a glycoprotein present on the surface of a red blood cell (RBC), which behaves as a native antigen.
The term human blood group systems is defined by the International Society of Blood Transfusion (ISBT) as systems in the human species where cell-surface antigens—in particular, those on blood cells—are "controlled at a single gene locus or by two or more very closely linked homologous genes with little or no observable recombination between them", [1] and include the common ABO and Rh ...
n/a Ensembl ENSG00000170180 n/a UniProt P02724 n/a RefSeq (mRNA) NM_001308187 NM_001308190 NM_002099 n/a RefSeq (protein) NP_001295116 NP_001295119 NP_002090 n/a Location (UCSC) Chr 4: 144.11 – 144.14 Mb n/a PubMed search n/a Wikidata View/Edit Human Glycophorin A (MNS blood group), also known as GYPA, is a protein which in humans is encoded by the GYPA gene. GYPA has also recently been ...
Blood compatibility testing is routinely performed before a blood transfusion.The full compatibility testing process involves ABO and RhD (Rh factor) typing; screening for antibodies against other blood group systems; and crossmatching, which involves testing the recipient's blood plasma against the donor's red blood cells as a final check for incompatibility.
Glycophorin B (MNS blood group) (gene designation GYPB) also known as sialoglycoprotein delta and SS-active sialoglycoprotein is a protein which in humans is encoded by the GYPB gene. [3] GYPB has also recently been designated CD235b ( cluster of differentiation 235b).
A complete blood type would describe each of the 45 blood groups, and an individual's blood type is one of many possible combinations of blood-group antigens. [3] Almost always, an individual has the same blood group for life, but very rarely an individual's blood type changes through addition or suppression of an antigen in infection, malignancy, or autoimmune disease.
This category should contain the pages of the 26 human blood antigen systems important in transfusion medicine. ... ABO blood group system; ... MNS antigen system; P.
Two complex chimpanzee blood group systems, V-A-B-D and R-C-E-F systems, proved to be counterparts of the human MNS and Rh blood group systems, respectively. Two blood group systems have been defined in Old World monkeys: the Drh system of macaques and the Bp system of baboons, both linked by at least one species shared by either of the blood group systems.