Widespread distribution of a chorionic gonadotropin-like substance in normal human tissues.


Recent studies have demonstrated that the normal human testes, colon, and liver contain a substance that resembles hCG. To extend these findings, we examined aqueous extracts of a variety of normal human tissues for the presence of this material. The beta-hCG RIA, rat Leydig cell radioreceptor assay, and a newly developed, highly specific hCG RIA were used… (More)


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