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ACTH Antagonists [PDF]

open access: greenProceedings of the National Academy of Sciences, 1974
Structural modifications within the active site of the ACTH molecule have produced analogs that inhibit the hormone sensitive adenylate cyclase system of bovine adrenal cortical plasma membranes. It is demonstrated that the tryptophan residue of the ACTH molecule is essential for stimulation of the enzyme.
K, Hofmann, J A, Montibeller, F M, Finn
openaire   +4 more sources

Normal adrenocorticotropic hormone levels do not exclude adrenal insufficiency during immune checkpoint inhibitor therapy: evidence from clinical, steroid, and structural analyses [PDF]

open access: yesFrontiers in Endocrinology
IntroductionImmune checkpoint inhibitor-induced isolated adrenocorticotropic hormone (ACTH) deficiency (ICI-IAD) represents a critical endocrine immune-related adverse event (irAE) that may become life-threatening without timely diagnosis.
Yuria Ishibashi   +12 more
doaj   +2 more sources

The Effectiveness of Acth Therapy According to Etiology in Patients with West Syndrome and Its Long-Term Effects on Bone Mineral Metabolism and Adrenal Pathway

open access: yesÇocuk Dergisi, 2022
Objective: West syndrome is the most common infantile epileptic encephalopathy, and ACTH or oral corticosteroids are frequently used in its treatment. The aim of this study was to evaluate the efficacy of ACTH therapy and its effects on bone metabolism ...
Mesut Güngör   +5 more
doaj   +1 more source

ACTH Antagonists [PDF]

open access: yesFrontiers in Endocrinology, 2016
Adrenocorticotropin (ACTH) acts via a highly selective receptor that is a member of the melanocortin receptor subfamily of type 1 G protein-coupled receptors. The ACTH receptor, also known as the melanocortin 2 receptor (MC2R), is unusual in that it is absolutely dependent on a small accessory protein, melanocortin receptor accessory protein (MRAP) for
Clark, AJ   +6 more
openaire   +4 more sources

Sleep restriction during opioid abstinence affects the hypothalamic-pituitary-adrenal (HPA) axis in male and female rats

open access: yesStress, 2023
Hypothalamic-pituitary-adrenal (HPA) axis dynamics are disrupted by opioids and may be involved in substance abuse; this persists during withdrawal and abstinence and is associated with co-morbid sleep disruption leading to vulnerability to relapse.
Hershel Raff   +4 more
doaj   +1 more source

Cushing’s Disease due to ACTH Secreting Pituitary Microadenoma: A Single Institutional Experience of Four Cases

open access: yesIndian Journal of Neurosurgery, 2020
ACTH secreting pituitary adenomas are rare occurrences in autoptical, surgical and neuroradiological series. We herewith describe a series of four patients of Cushing’s disease due to ACTH secreting pituitary microadenoma.
Ashok Gandhi   +3 more
doaj   +1 more source

Effect of adrenocorticotropic hormone infusion on circulating sclerostin levels

open access: yesEndocrine Connections, 2021
Glucocorticoid use is the most common cause of secondary osteoporosis. Poor skeletal health related to glucocorticoid use is thought to involve inhibition of the Wnt/β-catenin signaling pathway, a key pathway in osteoblastogenesis.
Sarah Zaheer   +8 more
doaj   +1 more source

Primary adrenal insufficiency - Addison's disease

open access: yesJournal of Education, Health and Sport, 2022
Introduction and purpose Addison's syndrome is defined as primary adrenal insufficiency, the symptoms of which result from hormonal deficiencies: glucocorticosteroids, mineralocorticosteroids and androgens.
Jakub Metelski   +4 more
doaj   +1 more source

Decreased steroidogenic enzyme activity in benign adrenocortical tumors is more pronounced in bilateral lesions as determined by steroid profiling in LC-MS/MS during ACTH stimulation test

open access: yesEndocrine Connections, 2022
Objective: Large response of steroid precursors, including 17-hydroxyprogesterone, to adrenocorticotropic hormone (ACTH) has been described in adrenocortical tumors, suggesting the existence of intra-tumoral enzymatic deficiencies.
Fidéline Bonnet-Serrano   +15 more
doaj   +1 more source

Evaluation of hemolysis interference and possible protective effect of N-phenyl maleimide on the measurement of small peptides

open access: yesTürk Biyokimya Dergisi, 2022
This study aims to demonstrate that proteolytic enzymes released as a result of hemolysis decrease the small peptide hormones, whereas N-phenyl maleimide (NPM) can be used to prevent hemolysis interference.
Durmaz Mustafa, Erguder Imge
doaj   +1 more source

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