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Comparative Study
. 1975 Feb;54(2):335-9.

Blood group MN antigens and precursors in normal and malignant human breast glandular tissue

  • PMID: 163330
Comparative Study

Blood group MN antigens and precursors in normal and malignant human breast glandular tissue

G F Springer et al. J Natl Cancer Inst. 1975 Feb.

Abstract

Blood group M and N active substances were demonstrated in human mammary gland tissue in both benign and malignant lesions. The precursor T (Thomsen-Friedenreich) antigen occurred only in cancerous tissue, where it was found regularly in the 15 gross cancers tested. The precursor Tn antigen also was found regularly in cancerous breast tissue; Both antigens were reactive in breasts with in situ carcinoma. The T antigen was not demonstrable in the 6 benign mammary glands studied; similarly, the Tn antigen was unmasked by sialidase treatment of healthy breast tissues. Anti-T antibody, present in all human sera, was severely depressed in many breast cancer patients compared to controls.

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