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Key Documents

A1527

Sigma-Aldrich

Adrenocorticotropic Hormone Fragment 7-38 human

≥97% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C167H257N47O46
CAS Number:
Molecular Weight:
3659.11
MDL number:
UNSPSC Code:
51111800
NACRES:
NA.77

sterility

non-sterile

Quality Level

Assay

≥97% (HPLC)

form

powder

UniProt accession no.

storage temp.

−20°C

Gene Information

human ... POMC(5443)

Amino Acid Sequence

Phe-Arg-Trp-Gly-Lys-Pro-Val-Gly-Lys-Lys-Arg-Arg-Pro-Val-Lys-Val-Tyr-Pro-Asn-Gly-Ala-Glu-Asp-Glu-Ser-Ala-Glu-Ala-Phe-Pro-Leu-Glu

Application

Adrenocorticotropic hormone fragment 7-38 human has been used as astandard in external calibration for mass spectrometry.

Biochem/physiol Actions

Adrenocorticotropic hormone (ACTH) is a polypeptide hormone thatstimulates adrenocortical activity. It is produced by the prohormoneproopiomelanocortin (POMC), which is synthesized in the corticotroph andmelanotroph cells found in the intermediate and anterior lobe of the pituitarygland and the arcuate nucleus of the hypothalamus. ACTH is also synthesized inthe skin. It plays a role in controlling steroidogenesis in the adrenal glandand prevents reactive oxygen species (ROS)-induced cell toxicity. Higher levelsof ACTH lead to skin hyperpigmentation due to the hyperstimulation ofmelanocytes, characteristic of primary adrenal insufficiency (PAI). Deficiencyof ACTH synthesis, receptors, or signaling is associated with adrenalinsufficiency.

Other Notes

ACTH fragment that is a potent inhibitor of ACTH-stimulated adenylate cyclase.
Lyophilized from 0.1% TFA in H2O

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Min-Jung Kang et al.
Analytical and bioanalytical chemistry, 404(8), 2249-2258 (2012-09-04)
A multireaction monitoring method using high-performance liquid chromatography-tandem mass spectrometry was developed for 12 target peptides for determination of endogenous peptide concentrations in human serum. Chromatographic separation conditions were optimized and recoveries for liquid-liquid extraction, solid-phase extraction (SPE), and ultrafiltration
C H Li et al.
Proceedings of the National Academy of Sciences of the United States of America, 75(9), 4306-4309 (1978-09-01)
A corticotropin-inhibiting peptide (CIP) has been isolated from human pituitary extracts. It consists of 32 amino acids with a proposed sequence identical to residues 7--38 of corticotropin (ACTH). The peptide has been synthesized by the solid-phase method. The melanotropic activity
P Trindade et al.
Neuroscience letters, 487(1), 47-52 (2010-10-06)
The fine-tuning of topographically organized projections in sensory systems is strongly influenced by electrical activity and use-dependent modifications in synaptic strength. Since calcineurin (CaN), a Ca(2+)-calmodulin dependent serine/threonine phosphatase has been associated with activity-dependent modifications in synaptic efficacy we studied
Juan Castillo et al.
The Journal of endocrinology, 196(2), 313-322 (2008-02-07)
Steroidogenic acute regulatory protein (StAR) transfers cholesterol over the inner mitochondrial membrane. In mammals, StAR controls this rate-limiting step of steroidogenesis, but its expression and regulation has not been well explored in fish. The present work investigates StAR mRNA expression
A Markowska et al.
Cell and tissue research, 272(3), 439-445 (1993-06-01)
Within two weeks, hypophysectomy induced in rats a striking decrease in the level of circulating ACTH (the concentration of which was at the limit of sensitivity of our assay system), coupled with a net reduction in the plasma corticosterone concentration

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