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Peptide YY (3-36) (human) Acetate

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CAT#
10-101-96
Synonyms/Alias
PYY (3-36); Peptide YY; C16118; PYY3-36
CAS No.
123583-37-9 (net)
Sequence
H-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn-Arg-Tyr-Tyr-Ala-Ser-Leu-Arg-His-Tyr-Leu-Asn-Leu-Val-Thr-Arg-Gln-Arg-Tyr-NH2 acetate salt
M.W/Mr.
4049.52
Molecular Formula
C180H279N53O54
Source
Synthetic
Long-term Storage Conditions
−20°C
Application
PYY (3-36) plays an important role in the regulation of appetite control. It is assumed that this effect is mediated through Y2 receptors in the hypothalamic arcuate nucleus (ARC), a brain area responsible for the regulation of food intake. PYY (3-36) may represent a promising tool for the treatment of obesity.
Description
The gut hormone peptide YY (3-36) is a 36-amino acid peptide secreted from L-cells in the intestinal mucosa of the ileum and large intestine in proportion to caloric intake.
Areas of Interest
Hormonal therapy
  • Background
  • Related Products
  • References

Peptide YY (PYY), a novel 36 amino-acid amidated hormone is a component of the complex neuroendocrine control process. This gut hormone (3-36), when infused into subjects, has been shown to reduce food intake in normal-weight and obese individuals. PYY (3-36) infusion also reduces the plasma levels of the hunger-promoting hormone ghrelin. PYY (3-36) levels have been shown to drop pre-meal and then increase post-prandially. In circulation, PYY (3-36) exists in at least two molecular forms: (1-36) and (3-36). PYY (3-36) selectively binds to Y2 receptors, and it has been found in human intestine and circulating blood.

CAS: 118997-30-1 (net)
Sequence: H-Tyr-Pro-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn-Arg-Tyr-Tyr-Ala-Ser-Leu-Arg-His-Tyr-Leu-Asn-Leu-Val-Thr-Arg-Gln-Arg-Tyr-NH2 acetate salt
M.W: 4309.81
Molecular Formula: C194H295N55O57
CAS: 24305-27-9
Sequence: Pyr-His-Pro-NH2
M.W: 362.41
Molecular Formula: C16H22N6O4
CAS: 25126-32-3 (net)
Sequence: H-Asp-Tyr(SO3H)-Met-Gly-Trp-Met-Asp-Phe-NH2 ammonium salt
M.W: 1143.3
Molecular Formula: C49H62N10O16S3
CAS: 38916-34-6 (net), 51110-01-1 (acetate)
Sequence: H-Ala-Gly-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Ser-Cys-OH acetate salt (Disulfide bond)
M.W: 1637.88
Molecular Formula: C76H104N18O19S2
CAS: 75957-60-7 (net), 105184-37-0 (acetate)
Sequence: H-Arg-Lys-Glu-Val-Tyr-OH acetate salt
M.W: 813.89
Molecular Formula: C35H59N9O13

The gut hormone peptide YY (PYY) belongs to the pancreatic polypeptide (PP) family along with PP and neuropeptide Y (NPY). These peptides mediate their effects through the NPY receptors of which there are several subtypes (Y1, Y2, Y4, and Y5). The L cells of the gastrointestinal tract are the major source of PYY, which exists in two endogenous forms: PYY(1-36) and PYY(3-36). The latter is produced by the action of the enzyme dipeptidyl peptidase-IV (DPP-IV). PYY(1-36) binds to and activates at least three Y receptor subtypes (Y1, Y2, and Y5), whereas PYY(3-36) is more selective for Y2 receptor (Y2R). The hypothalamic arcuate nucleus, a key brain area regulating appetite, has access to nutrients and hormones within the peripheral circulation.

Batterham, R. L., & Bloom, S. R. (2003). The gut hormone peptide YY regulates appetite. Annals of the New York Academy of Sciences, 994(1), 162-168.

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