A possible mechanism of immunoregulation produced by alpha 2-macroglobulin.

Abstract:

:Most of the plasma suppressive activity was associated with alpha 2M in both normal subjects and cancer patients. alpha 2M binding to physiological levels of proteases was associated with an increase in the ability to suppress lymphocyte reactivity in the TEEM test. alpha 2M binding to proteases released a peptide that was a component of the alpha 2M; this peptide suppressed lymphocyte reactivity to mitogenic, antigenic, and allogenic stimuli in the TEEM test and in the lymphocyte transformation assay. Physically and biologically similar peptides have been found in the plasma of cancer patients and patients with thermal burns, uremia, and acute pancreatitis.

journal_name

Ann N Y Acad Sci

authors

Alomran A,Shenton BK,Donnelly PK,Francis DM,Proud G,Taylor RM

doi

10.1111/j.1749-6632.1983.tb18131.x

subject

Has Abstract

pub_date

1983-01-01 00:00:00

pages

394-7

eissn

0077-8923

issn

1749-6632

journal_volume

421

pub_type

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