corticotropin

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corticotropin

(kôr'təkōtrōp`ən): see adrenocorticotropic hormoneadrenocorticotropic hormone
, polypeptide hormone secreted by the anterior pituitary gland. Its chief function is to stimulate the cortex of the adrenal gland to secrete adrenocortical steroids, chief among them cortisone.
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corticotropin

[‚kȯrd·ə‚kō′trō·pən]
(biochemistry)
A hormonal preparation having adrenocorticotropic activity, derived from the adenohypophysis of certain domesticated animals.
References in periodicals archive ?
CNS: Central Nervous System; HPA: Hypothalamic-Pituitary-Adrenal; CRH: Corticotrophin Releasing Hormone; PVN: Paraventricular Nucleus; ACTH: Adrenocorticotropic Hormone; GC: Glucocorticoid; MRs: Mineralocorticoid Receptors; BDNF: Brain Derived Neurotrophic Factor
Role of stress, corticotrophin releasing factor (CRF) and amygdala plasticity in chronic anxiety.
TBI can lead to a variety of neuroendocrine abnormalities, such as gonadotropin deficiency, growth hormone deficiency, corticotrophin deficiency, and vasopressin alterations (Behan and Agha 2007; Powner and Boccalandro 2008).
(15,16) Since mRNA expression is required for the synthesis of the CRH (corticotrophin releasing hormone) and opioid dependency increase mRNA expression, opioid dependency has a positive effect on the secretion of cortisol.
Cushing's syndrome was suspected but serum cortisol was 534.6 nmol/L at 800 h, 445.5 nmol/L at 1600 h, and 382.7 nmol/L at 2400 h (normal range: 85.3-618.0 nmol/L); corticotrophin was 5.1 ng/L at 800 h, ≤5 ng/L at 1600 h, and ≤5 ng/L at 2400 h (normal range: 0-46.0 ng/L); 24 h urinary 17-hydroxysteroid was 15.7 [micro]mol (normal range: 5.5-22.2 [micro]mol/day).
In a study by Limar Verde et al., of 72 patients with visceral leishmaniasis, plasma ACTH (corticotrophin) was found to be significantly higher among patients in comparison to normal subjects, as well as plasma renin activity.
[6] Nonstandard abbreviations: CPN, carboxypeptidase N; C, carboxy; BK, bradykinin; CM, conditioned cell-culture medium; MS, mass spectrometry; ACTH, corticotrophin; NPS, nanoporous silica; PROSPER, protease substrate specificity webserver; IHC, immunohistochemistry; TIF, tumor interstitial fluid; NIF, normal interstitial fluid; BC-I, stage I breast cancer; CPE, carboxypeptidase E.
It occurs for the majority of pregnancy and is mediated by corticotrophin releasing hormone, progesterone, and a variety of uterotonic inhibitors working together to promote uterine relaxation.
Role of thyrotrophin releasing hormone and corticotrophin releasing factor in stress related alterations of gastrointestinal motor function.
The stimulus provided by trauma and surgery results in release of corticotrophin releasing factor from hypothalamus, which stimulates the pituitary to secrete ACTH.
(6) SCN neurons rhythmically release the neuropeptide arginine vasopressin (AVP) into the rostral paraventricular nucleus where it inhibits production of corticotrophin releasing hormone (CRH) that controls ACTH release from the corticotrophic cells of the anterior pituitary.
3) offered a schematic model which demonstrates the potential role that psychosocial stressors may play in initiating a cascade of events in the corticotrophin releasing hormone/hypothalamic-pituitary-adrenal axis, the autonomic nervous system and the central nervous system, the physiological consequences of which are to depress immunity, enhancing likelihood of infection and, specifically, periodontal disease.

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