Early pregnancy factor is immunosuppressive View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1979-04

AUTHORS

F. P. NOONAN, W. J. HALLIDAY, H. MORTON, G. J. A. CLUNIE

ABSTRACT

IMMUNOSUPPRESSION during pregnancy has important consequences not only with respect to the recognition of the antigenically dissimilar embryo1 but also in terms of susceptibility to viral or tumour assaults2,3. We have recently described an early pregnancy factor (EPF) detectable within 24 h of mating and have postulated that this protein is responsible for depression of lymphocyte activity during pregnancy4–6, Immunosuppressive properties have been attributed to other proteins detectable during pregnancy. These include pregnancy-associated macroglobulin7,8α-fetoprotein9 and human chorionic gonadotropin (HCG)10,11. One characteristic these substances have in common, but in which they differ from EPF, is that they are not present, or not detectable, in the early stages of pregnancy. Recently the immunosuppressive activity of HCG has been disputed by several workers working with highly purified material12,13. We have now shown that EPF inhibits the expression of an immune response in vivo. More... »

PAGES

649-651

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/278649a0

DOI

http://dx.doi.org/10.1038/278649a0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1005962606

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/313010


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