Abstract:
:We investigated the effect of in vivo hypothyroidism on the sialylation and sulfation of thyroid-stimulating hormone (TSH) secreted by mouse pituitary explants. Oligosaccharides from secreted thyroid-stimulating hormone from hypothyroid animals contained greater sialic acid relative to sulfate in both alpha and beta subunits. Aging per se had little effect on thyroid-stimulating hormone sialylation or sulfation. Variable sialylation and sulfation demonstrates a mechanism for charge microheterogeneity of thyroid-stimulating hormone, and the increasing sialylation observed with hypothyroidism may functionally mediate the prolonged metabolic clearance that has been noted previously.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
DeCherney GS,Gesundheit N,Gyves PW,Showalter CR,Weintraub BDdoi
10.1016/0006-291x(89)90059-4subject
Has Abstractpub_date
1989-03-15 00:00:00pages
755-62issue
2eissn
0006-291Xissn
1090-2104pii
0006-291X(89)90059-4journal_volume
159pub_type
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journal_title:Biochemical and biophysical research communications
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