Regulation of hypothalamic beta-endorphin and dynorphin release by corticotropin-releasing factor (CRF). 1986

O F Almeida, and K E Nikolarakis, and A Herz
Department of Neuropharmacology, Max-Planck-Institut für Psychiatrie, Martinsired, F.R.G.

Synthetic rat-human corticotropin releasing-factor (CRF), in doses between 10(-12) M and 10(-8) M, significantly stimulates the release of immunoreactive beta-endorphin and dynorphin-A from rat hypothalamic slices superfused in vitro. With prolonged exposure to CRF, there is a reduction in the release of both opioids which can be reversed by the addition of naloxone. The latter result indicates the involvement of autoregulatory mechanisms in the control of opioid neuronal function.

UI MeSH Term Description Entries
D007031 Hypothalamus Ventral part of the DIENCEPHALON extending from the region of the OPTIC CHIASM to the caudal border of the MAMMILLARY BODIES and forming the inferior and lateral walls of the THIRD VENTRICLE. Lamina Terminalis,Preoptico-Hypothalamic Area,Area, Preoptico-Hypothalamic,Areas, Preoptico-Hypothalamic,Preoptico Hypothalamic Area,Preoptico-Hypothalamic Areas
D008297 Male Males
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D003346 Corticotropin-Releasing Hormone A peptide of about 41 amino acids that stimulates the release of ADRENOCORTICOTROPIC HORMONE. CRH is synthesized by neurons in the PARAVENTRICULAR NUCLEUS of the HYPOTHALAMUS. After being released into the pituitary portal circulation, CRH stimulates the release of ACTH from the PITUITARY GLAND. CRH can also be synthesized in other tissues, such as PLACENTA; ADRENAL MEDULLA; and TESTIS. ACTH-Releasing Hormone,CRF-41,Corticotropin-Releasing Factor,Corticotropin-Releasing Hormone-41,ACTH-Releasing Factor,CRF (ACTH),Corticoliberin,Corticotropin-Releasing Factor-41,ACTH Releasing Factor,ACTH Releasing Hormone,Corticotropin Releasing Factor,Corticotropin Releasing Factor 41,Corticotropin Releasing Hormone,Corticotropin Releasing Hormone 41
D004399 Dynorphins A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptides. Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters. Dynorphin,Dynorphin (1-17),Dynorphin A,Dynorphin A (1-17)
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001615 beta-Endorphin A 31-amino acid peptide that is the C-terminal fragment of BETA-LIPOTROPIN. It acts on OPIOID RECEPTORS and is an analgesic. Its first four amino acids at the N-terminal are identical to the tetrapeptide sequence of METHIONINE ENKEPHALIN and LEUCINE ENKEPHALIN. Endorphin, beta,beta-Endorphin (1-31),beta Endorphin
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D066298 In Vitro Techniques Methods to study reactions or processes taking place in an artificial environment outside the living organism. In Vitro Test,In Vitro Testing,In Vitro Tests,In Vitro as Topic,In Vitro,In Vitro Technique,In Vitro Testings,Technique, In Vitro,Techniques, In Vitro,Test, In Vitro,Testing, In Vitro,Testings, In Vitro,Tests, In Vitro,Vitro Testing, In

Related Publications

O F Almeida, and K E Nikolarakis, and A Herz
September 1968, Nihon Ishikai zasshi. Journal of the Japan Medical Association,
O F Almeida, and K E Nikolarakis, and A Herz
May 1987, No shinkei geka. Neurological surgery,
O F Almeida, and K E Nikolarakis, and A Herz
July 1966, Horumon to rinsho. Clinical endocrinology,
O F Almeida, and K E Nikolarakis, and A Herz
May 1969, Nihon rinsho. Japanese journal of clinical medicine,
O F Almeida, and K E Nikolarakis, and A Herz
February 1989, Proceedings of the National Academy of Sciences of the United States of America,
O F Almeida, and K E Nikolarakis, and A Herz
January 1993, Ciba Foundation symposium,
O F Almeida, and K E Nikolarakis, and A Herz
March 1992, Endocrinology,
O F Almeida, and K E Nikolarakis, and A Herz
December 1970, Nihon Naibunpi Gakkai zasshi,
Copied contents to your clipboard!