alloantigenn.
/ˌaləʊˈantᵻdʒ(ə)n/, U.S. /ˌæloʊˈæn(t)ədʒ(ə)n/, /ˌæloʊˈæn(t)əˌdʒɛn/ Immunology.
Any antigen found in some but not all individuals of the same species (= isoantigen n. at iso- comb. form 1); spec. any of two or more forms of an antigen coded for by alleles of the same gene.
ΘΚΠ
the world > life > biology > substance > process stimulators or inhibitors > immunogen or antigen > [noun]
antigen1908
isoantigen1936
rhesus antigen1946
immunogen1959
alloantigen1964
1964 G. D. Snell in Transplantation 2 657/2 The substitution of alloantigen and alloantibody would create a wholly convenient, consistent, euphonious and etymologically appropriate vocabulary.
1980 R. C. Burton in R. B. Herberman Nat. Cell-Mediated Immunity against Tumors 28 Ly-5 is an alloantigen which is expressed on most cells of the lymphohemapoietic system.
2008 Allergy 63 1473 During normal pregnancy, peripheral T-cell cytokine responses to foetal alloantigens may be altered by both allergic status of the mother and previous pregnancies.
Derivatives
ˌalloantiˈgenic adj.
ΘΚΠ
the world > life > biology > substance > process stimulators or inhibitors > immunogen or antigen > [adjective]
antigenic1913
isoantigenic1938
alloantigenic1965
1965 Experientia 21 661 (title) On the possibility that thymus-mediated alloantigenic stimulation results in tolerance response.
1985 Brit. Med. Jrnl. 14 Sept. 696/1 It has become increasingly likely that immunological disturbances in haemophilia are caused by the aetiological agent for AIDS rather than by any alloantigenic response to denatured protein.
2005 Clin. Infectious Dis. 41 1030/1 These findings suggested that needle sharing may increase alloantigenic stimulation.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1964