ACTH ELISA kit to measure ACTH levels in human, mouse and rat plasma samples. ACTH (Adrenocorticotropic hormone) or corticotropin is a 39-amino acid hormone (MW=4500) secreted by the pituitary to regulate the...



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ACTH ELISA kit to measure ACTH levels in human, mouse and rat plasma samples. ACTH (Adrenocorticotropic hormone) or corticotropin is a 39-amino acid hormone (MW=4500) secreted by the pituitary to regulate the production of steroid hormones by the adrenal cortex. ACTH secretion from the anterior pituitary is controlled by both a classical negative feedback control mechanism and CNS-stress mediated control system. Various types of stress or pain perceived in higher levels of the brain modulate secretion of the hypothalamic neurosecretory hormone, corticotropin releasing hormone (CRH), a 41-amino acid peptide. CRH stimulates pituitary ACTH secretion. The second peptide that modulates ACTH secretion is vasopressin (AVP). AVP secretion is also stimulated by stress and acts synergistically with CRH to increase ACTH secretion in the pituitary portal circulation. ACTH increases the synthesis and release of all adrenal steroids, aldosterone, cortisol and adrenal androgens. It is the principal modulator of cortisol, the most important glucocorticoid in man. As the cortisol level in blood increases, release of ACTH is inhibited directly at the pituitary level. Through this same mechanism, decreasing cortisol levels lead to elevated ACTH levels.

Biologically active ACTH results from enzymatic cleavage of a large precursor molecule, pro-opiomelanocortin (POMC). This molecule contains within its structure the amino acid sequences of ACTH, Pro-ACTH, -melanocyte stimulating hormone, lipotropin, as well as endorphin and the enkephalins. Because the reaction in immunoassays is determined by antigenic structure, not biological function, the usual ACTH RIA reacts with POMC, Pro-ACTH, ACTH and some fragments of the ACTH.

ACTH may also be referred to by the following terms:
ACTH ELISA kit, Adrenocorticotropic Hormone ELISA kit, Adrenocorticotropin ELISA kit, Alpha-Melanocyte-Stimulating Hormone ELISA kit, Alpha-MSH ELISA kit, Beta-Endorphin ELISA kit, Beta-LPH ELISA kit, Beta-Melanocyte-Stimulating Hormone ELISA kit, Beta-MSH ELISA kit, CLIP ELISA kit, Corticotropin-like Intermediary Peptide ELISA kit, Corticotropin-Lipotropin ELISA kit, Corticotropin-Lipotropin ELISA kit, Gamma-LPH ELISA kit, Gamma-MSH ELISA kit, Lipotropin Beta ELISA kit, Lipotropin Gamma ELISA kit, LPH ELISA kit, Melanotropin Alpha ELISA kit, Melanotropin Beta ELISA kit, Melanotropin Gamma ELISA kit, Met-Enkephalin ELISA kit, MSH ELISA kit, NPP ELISA kit, POC ELISA kit, Pro-ACTH-endorphin ELISA kit, Pro-OpioMelanocortin ELISA kit, ProopioMelanocortin ELISA kit, ProopioMelanocortin PreProProtein ELISA kit


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Product Insert (PDF) - Informational use only. Please refer to insert included with product.


  • Species: human, mouse, rat
  • Sample Type:  plasma
  • Sample Size: 200 uL
  • Standard Curve Range:  0 - 500 pg/mL
  • Sensitivity:  0.46 pg/mL
  • Assay Length:   4.5 hours