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ArticlesCopyright © 1976 by American Association for the Advancement of Science
Insulin binding to cultured human fibroblasts increases with normal and precocious aging
Specific and nonspecific [125I]insulin binding and concentration of unlabeled hormone producing 50 percent competition with 1.0 nanomolar [125I]insulin for specific binding sites correlated positively with age of fibroblast donors. Cells from four children with precocious aging--three with progeria and one with Rothmund syndrome-resembled those from the chronologically old.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)