what are antigens on red blood cells?

Answer 1

blood group antigens are a case of exogenous antigens which enter the body from the outside.if the erythrocytes carry the antigen on the surface for which the blood plasma of the hast has the antibody the cells are endocytosed or phagocytosed and these antigens are taken into the antigen-presenting cells (APCs) and processed into fragments. APCs then present the fragments to T helper cells (CD4+) by the use of class II histocompatibility molecules on their surface.They become activated and start to secrete cytokines. Cytokines are substances that can activate cytotoxic T lymphocytes (CTL), antibody-secreting B cells, macrophages and other particles.

the antigenecity is determined by the major histocompatibility sequence (MHC I) on the human leucocyte antigen determining region on the short arm of chr.6 in the humans and is distinctly different for every human and the blood group antigens are a manifestation of this gene. no blood can be matched a 100% to someone else's.

http://en.wikipedia.org/wiki/List_of_human_blood_group_antigens

Answer 2

Antigens are proteins on the red blood cells that help the body recognize its own cells. The antigens act kind of like a unicorn.

Answer 3

Antigens are proteins on the red blood cells that help the body recognize its own cells. The antigens act kind of like a uniform.