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An Example of Anti‐Jr a Causing Hemolytic Disease of the Newborn and Frequency of Jr a Antigen in the Japanese Population
Author(s) -
Nakajima H.,
Ito K.
Publication year - 1978
Publication title -
vox sanguinis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.68
H-Index - 83
eISSN - 1423-0410
pISSN - 0042-9007
DOI - 10.1111/j.1423-0410.1978.tb02932.x
Subject(s) - hemolytic disease of the newborn (abo) , incidence (geometry) , antigen , antibody , population , medicine , immunology , biology , genetics , physics , pregnancy , fetus , environmental health , optics
. An example of anti‐Jr a which caused hemolytic disease of the newborn is reported. Two other examples of the antibody were detected in random screening of Japanese donors. In testing 19, 298 unrelated Japanese, 5 Jr(a‐) individuals were found, i.e. an incidence of 0.0003 (0.03%); the corresponding gene frequencies were Jr a 0.984 and Jr 0.016.