OBJECTIVE: To examine whether mRNA for thyroid hormone receptors alpha and beta is present in human granulosa cells in nonstimulated ovaries. DESIGN: Paraffin-embedded sections of ovaries from normally cycling women were analyzed by in situ hybridization with oligonucleotide probes for thyroid hormone receptors alpha and beta. The sense strand oligonucleotide was used as a control for each of the probes. RESULTS: Granulosa cells from the preovulatory antral follicles examined showed positive staining for both the thyroid hormone receptor alpha and beta probes. Positive staining of ovarian stromal cells also was observed for both probes. CONCLUSION: Thyroid hormone receptor mRNAs are expressed in both granulosa cells and ovarian stromal cells found in nonstimulated ovaries. It is, therefore, conceivable that thyroid hormone may play a direct role in human ovarian physiology.
OBJECTIVE: To examine whether mRNA for thyroid hormone receptors alpha and beta is present in human granulosa cells in nonstimulated ovaries. DESIGN:Paraffin-embedded sections of ovaries from normally cycling women were analyzed by in situ hybridization with oligonucleotide probes for thyroid hormone receptors alpha and beta. The sense strand oligonucleotide was used as a control for each of the probes. RESULTS: Granulosa cells from the preovulatory antral follicles examined showed positive staining for both the thyroid hormone receptor alpha and beta probes. Positive staining of ovarian stromal cells also was observed for both probes. CONCLUSION: Thyroid hormone receptor mRNAs are expressed in both granulosa cells and ovarian stromal cells found in nonstimulated ovaries. It is, therefore, conceivable that thyroid hormone may play a direct role in human ovarian physiology.
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