Characterization of Inhibin/Activin Subunit, Activin Receptor, and Follistatin Messenger Ribonucleic Acid in Human and Mouse Oocytes: Evidence for Activin's Paracrine Signaling from Granulosa Cells to Oocytes1

Abstract excerpt

Inhibin, activin, and follistatin (FS) are gonadal proteins that appear to have a role in regulating folliculogenesis through possible paracrine and/or autocrine interactions. To further examine the potential role of activin in oocyte-granulosa cell communication, we developed a sensitive reverse transcription-polymerase chain reaction protocol to analyze mRNA for the alpha, betaA, and betaB inhibin/activin...

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