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. 1972 Jun 1;135(6):1247–1258. doi: 10.1084/jem.135.6.1247

IMMUNOCHEMICAL STUDIES ON BLOOD GROUPS

LIV. CLASSIFICATION OF ANTI-I AND ANTI-i SERA INTO GROUPS BASED ON REACTIVITY PATTERNS WITH VARIOUS ANTIGENS RELATED TO THE BLOOD GROUP A, B, H, LEa LEbAND PRECURSOR SUBSTANCES

Ten Feizi 1, Elvin A Kabat 1
PMCID: PMC2139175  PMID: 4112563

Abstract

Quantitative precipitin assays were carried out with eleven anti-I and five anti-i cold agglutinin sera. Their reaction patterns with precursor substances and with certain antigens related to the A, B, H, Lea, and Leb substances revealed at least six types of I and four types of i specificity. All of the I and i determinants appear to be represented in varying amounts on that fraction of the ovarian cyst precursor substance OG which was precipitated by 20% ethanol (OG 20% 2X). Only some of these determinants can be detected in the first periodate oxidation stages of A, B, and H substances, in cow substances, and in hydatid cyst fluid.

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Selected References

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