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  2. Ii antigen system - Wikipedia

    en.wikipedia.org/wiki/Ii_antigen_system

    The Ii antigen system is a human blood group system based upon a gene on chromosome 6 and consisting of the I antigen and the i antigen. [1] The I antigen is normally present on the cell membrane of red blood cells in all adults, while the i antigen is present in fetuses and newborns. [2]

  3. Human blood group systems - Wikipedia

    en.wikipedia.org/wiki/Human_blood_group_systems

    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 ...

  4. Blood type - Wikipedia

    en.wikipedia.org/wiki/Blood_type

    The ABO blood group system involves two antigens and two antibodies found in human blood. The two antigens are antigen A and antigen B. The two antibodies are antibody A and antibody B. The antigens are present on the red blood cells and the antibodies in the serum. Regarding the antigen property of the blood all human beings can be classified ...

  5. HLA-DRB3 - Wikipedia

    en.wikipedia.org/wiki/HLA-DRB3

    n/a Ensembl n/a n/a UniProt P79483 n/a RefSeq (mRNA) NM_022555 n/a RefSeq (protein) NP_072049 n/a Location (UCSC) n/a n/a PubMed search n/a Wikidata View/Edit Human HLA class II histocompatibility antigen, DRB3-1 beta chain is a protein that in humans is encoded by the HLA-DRB3 gene. Function The protein encoded by this gene belongs to the HLA class II beta chain paralogues. The class II ...

  6. Category:Blood antigen systems - Wikipedia

    en.wikipedia.org/wiki/Category:Blood_antigen_systems

    This category should contain the pages of the 26 human blood antigen systems important in transfusion medicine. ... Colton antigen system; ... Ii antigen system;

  7. ABO blood group system - Wikipedia

    en.wikipedia.org/wiki/ABO_blood_group_system

    The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes (red blood cells). [1] For human blood transfusions , it is the most important of the 44 different blood type (or group) classification systems currently recognized by the International Society of Blood Transfusions (ISBT ...

  8. Rh blood group system - Wikipedia

    en.wikipedia.org/wiki/Rh_blood_group_system

    The Rh blood group system is a human blood group system. It contains proteins on the surface of red blood cells. After the ABO blood group system, it is the most likely to be involved in transfusion reactions. The Rh blood group system consisted of 49 defined blood group antigens [1] in 2005.

  9. HLA-DOB - Wikipedia

    en.wikipedia.org/wiki/HLA-DOB

    HLA class II histocompatibility antigen, DO beta chain is a protein that in humans is encoded by the HLA-DOB gene. [5] HLA-DOB belongs to the HLA class II beta chain paralogues. This class II molecule is a heterodimer consisting of an alpha (DOA) and a beta chain (DOB), both anchored in the membrane. It is located in intracellular vesicles.