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RADIOAUTOGRAPHIC STUDIES ON THE LOCALIZATION OF 125I-LABELLED HUMAN LUTEINIZING AND GROWTH HORMONE IN IMMATURE MALE RATS
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1969
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Labelled LhHuman GrowthRenal PathologyAdipokinesReproductive EndocrinologyPituitary GlandHormone PresentPublic HealthNuclear MedicineGrowth HormoneEndocrine MechanismHistopathologyDevelopmental EndocrinologyEndocrinologyUrologyDevelopmental BiologyHuman Growth HormonePhysiologyAdrenal HealthReceptor BiologyMedicineEndocrine Research
SUMMARY Twenty-day-old male rats were injected intraperitoneally with either human luteinizing hormone (HLH) or human growth hormone (HGH) labelled with 125 I. The localization of these hormones 1–2 hr. after injection was examined under the light microscope after radioautography. Major sites of localization of labelled LH were the interstitial cells of the testis and the proximal convoluted tubule of the kidney. Some hormone was also present in adipose tissue, hepatic parenchymal cells, the mesothelial lining of the peritoneum and underlying macrophages. HGH was localized principally in the proximal convoluted tubule of the kidney with some hormone present in liver, adipose tissue, and the suprarenal cortex.