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Effect of Stress, Adrenocorticotropin or Corticosteroid Treatment, Adrenalectomy, or Hypophysectomy on Hypothalamic Immunoreactive Adrenocorticotropin Concentrations*
- Source :
- Endocrinology. 105:737-742
- Publication Year :
- 1979
- Publisher :
- The Endocrine Society, 1979.
-
Abstract
- Despite variations in plasma and/or pituitary ACTH concentrations, no changes in median eminence or medial basal hypothalamic immunoreactive ACTH-like concentrations were seen in rats studied 6 weeks posthypophysectomy, 12 h or 28 days after bilateral adrenalectomy, 6 days after implantation of corticosterone pellets (75 mg), after dexamethasone administration (300 micrograms/100 g BW, ip, twice daily for 4 days), or after chronic immobilization stress. The lack of concordant variation of brain, pituitary, and plasma ACTH concentrations further supports the suggestion of a nonpituitary, central nervous system origin of some portion of brain immunoreactive ACTH-like activity.
- Subjects :
- endocrine system
Pituitary gland
medicine.medical_specialty
Hypophysectomy
medicine.medical_treatment
Central nervous system
Hypothalamus
Dexamethasone
chemistry.chemical_compound
Endocrinology
Adrenocorticotropic Hormone
Adrenal Cortex Hormones
Stress, Physiological
Corticosterone
Internal medicine
Adrenal Glands
medicine
Animals
business.industry
Adrenalectomy
Rats
medicine.anatomical_structure
chemistry
Pituitary Gland
Median eminence
Female
business
medicine.drug
Subjects
Details
- ISSN :
- 19457170 and 00137227
- Volume :
- 105
- Database :
- OpenAIRE
- Journal :
- Endocrinology
- Accession number :
- edsair.doi.dedup.....95c86bb0cac4b0a007d5aba739b86bb0
- Full Text :
- https://doi.org/10.1210/endo-105-3-737