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  • Title: Immunohistochemical study on adenohypophysial primordia in organ culture.
    Author: Watanabe YG, Daikoku S.
    Journal: Cell Tissue Res; 1976 Feb 25; 166(3):407-12. PubMed ID: 175957.
    Abstract:
    Rathke's pouches isolated from rat fetuses on day 12 were maintained in organ culture for 9 days and investigated immunohistochemically to test whether or not the hypothalamus is involved in the cytodifferentiation of the adenohypophysis. The unlabeled antibody enzyme method demonstrated that the cultured tissue contains different types of glandular cells, i.e., adrenocorticotropin (ACTH)-, growth hormone (GH)-, luteinizing hormone (LH)-, thyrotropin (TSH)-, and prolactin-producing cells. Indirect evidence was also obtained to indicate the presence of melanocyte stimulating hormone (MSH)-cells. These findings suggest that adenohypophysial primordial cells of rats start to synthesize their respective hormones without stimuli from the neurosecretory substances of the brain which are known to be essential for the maintenance of the secretory activity of the adult gland.
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