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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. Category:Blood antigen systems - Wikipedia

    en.wikipedia.org/wiki/Category:Blood_antigen_systems

    This page was last edited on 20 October 2024, at 21:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. 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 ...

  5. HLA-DRA - Wikipedia

    en.wikipedia.org/wiki/HLA-DRA

    The class II protein is a heterodimer consisting of an alpha (DRα) and a beta chain (DRβ), both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). [4]

  6. CD74 - Wikipedia

    en.wikipedia.org/wiki/CD74

    HLA class II histocompatibility antigen gamma chain also known as HLA-DR antigens-associated invariant chain or CD74 (Cluster of Differentiation 74), is a protein that in humans is encoded by the CD74 gene. [5] [6] The invariant chain (Abbreviated Ii) is a polypeptide which plays a critical role in antigen presentation.

  7. HLA-DQA2 - Wikipedia

    en.wikipedia.org/wiki/HLA-DQA2

    HLA class II histocompatibility antigen, DQ(6) alpha chain is a protein that in humans is encoded by the HLA-DQA2 gene. Also known as HLA-DXA or DAAP-381D23.2 , it is part of the human leukocyte antigen system.

  8. These are the most mispronounced words of 2024 - AOL

    www.aol.com/most-mispronounced-words-2024...

    Messing up pronunciations can be a source of both annoyance and amusement, but language learning platform Babbel has put together a handy guide to stop you putting your foot in it.

  9. HLA-DQ2 - Wikipedia

    en.wikipedia.org/wiki/HLA-DQ2

    Illustration of DQ antigen genetics, click image for details Each individual has 22 pairs of autosomes. The HLA complex in humans is a large region, ~3 million nucleotides, on chromosome 6, within this region there are a large number of genes. The DQ represent 2 genetic loci that lie next to each other. One gene is called DQA1 and the other is ...