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17 alpha-Hydroxylase and chromogranin A in 6th week human fetal adrenals.
Horm. Metab. Res. 29, 30-32 (1997)
The development of the human fetal adrenals starts in the 6th week gestational age and adrenal C19 steroid production becomes of major importance for the maintenance of the pregnancy. Therefore, in the present study, human fetal adrenals at 6 weeks of gestational age were immunostained for 17 alpha-hydroxylase, the key enzyme for the production of C19-steroids. In parallel, chromaffin cells were characterized by immunohistochemical staining for chromogranin A, the major soluble protein in adrenal chromaffin granules. Large 17 alpha-hydroxylase-immunoreactive cells were found in the center of the adrenal anlagen during the 6th week of gestation. At the same developmental stage, chromaffin cells with a neuronal-like appearance occurred in the paraortic area and started to invade the adrenal primordium. Our results show that, even at week 6 gestational age, when chromaffin cells start to enter the adrenal anlagen, human adrenals already contain differentiated, 17 alpha-hydroxylase immunoreactive cortical cells which were located to the center of the primordium.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
1997
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0018-5043
e-ISSN
1439-4286
Zeitschrift
Hormone and Metabolic Research
Quellenangaben
Band: 29,
Heft: 1,
Seiten: 30-32
Verlag
Thieme
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Pancreatic Islet Research (IPI)
PubMed ID
9049651
Erfassungsdatum
1997-12-31