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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


another name for isoantigen
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæl oʊˈæn tɪ dʒən, -ˌdʒɛn)

an antigen present in some but not all individuals of the same species, as those in different human blood groups.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
moreover, blood transfusions in multiple times may cause the immune system is under constant alloantigen stimulation in [beta]-thalassemia patients, in spite of the immune responses that are suppressed because of iron overload (62).
The first alloantigen on leukocytes was called MAC (later known as HLA-A2).
Because leucocytes from the donor of the sera were also not agglutinated, the antisera obviously detected an alloantigen present on human leucocytes.
[38] reported that a mixture of various boswellic acids in the range of 1.95-125 [micro]g/mL inhibited mice splenocytes stimulated with lipopolysaccharides (LPS), PHA, alloantigen, and concanavalin A (ConA), in a concentration-dependent manner.
A post-OLT graft dysfunction mimicking de novo AIH has also been described when GSTT1 is an alloantigen becoming a neo-self-antigen due to a mismatch between the liver donor and recipient [23].
Association of the B-cell alloantigen DRW4 with rheumatoid arthritis.
Association of a B-cell alloantigen with susceptibility to rheumatic fever.
IT can also be caused occasionally by the presence of a donor origin autoantibody [10] or by the presence of a recipient-origin alloantibody against a donor platelet alloantigen.
There is accumulating evidence that there exist antigenic systems not detectable in standard lymphocytotoxic techniques that may provoke hyperacute or accelerated rejection: the endothelial-monocyte alloantigen system [2], the anti-vascular IgG endothelial cell antibodies [3], and the IgM antibodies that are reactive against endothelial cells [4].
hAECs inhibit peripheral blood mononuclear cell proliferative responses to mitogen, alloantigen, and recall antigen (14).
Albersheim, "Preservation of the delayed-type hypersensitivity response to alloantigen by xyloglucans or oligogalacturonide does not correlate with the capacity to reject ultraviolet-induced skin tumors in mice," The Journal of Investigative Dermatology, vol.