Amylins (IAPP) and Fragments
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Amylins (IAPP) and Fragments

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Cat. # Product Name Price
A12001Amylin(20-29), Islet Amyloid Polypeptide, IAPP (20-29), ratInquiry
A12002Amylin (20-29), humanInquiry
A12003Amylin(20-29), Islet Amyloid Polypeptide, IAPP (20-29), catInquiry
A12004Amylin(20-29), Islet Amyloid Polypeptide, IAPP (20-29), hamsterInquiry
A12006Amylin (1-13), humanInquiry
A12009Amylin (8-37), humanInquiry
A12010Amylin (8-37), ratInquiry
A12011Acetyl-Amylin (8-37) (human)Inquiry
A12012Acetyl-Amylin (8-37), ratInquiry
A12013Amylin (1-37), human, amideInquiry
A12014Amylin, human, free acidInquiry
A12015Amylin (1-37), humanInquiry
A12016Amylin, ratInquiry
CAD-108Biotinyl-Amylin (human)Inquiry
CAD-1095-FAM-Amylin (human)Inquiry

Amylin, also known as islet amyloid-like polypeptide (IAPP), is a polypeptide composed of 37 amino acid residues, stimulated by glucose or other nutrients, secreted by islet β cells and insulin at the same time. Studies have shown that the amino acid sequence of human amylin 20-29 is the sequence of amyloid production, which can produce amyloid accumulation in pancreatic islets, have toxic effects on β cells, and have been insulin secretion. Leading to insulin secretion disorder and β cell failure may play an important role in the secondary failure of sulfonylurea drugs and β cell failure in type 2 diabetes mellitus.

The role of amylin in the physiology of glycemic control

Amylin is co-located and secreted with insulin under the action of nutritional stimulation. Like insulin, amylin deficiency was found in patients with type 1 diabetes, while changes in plasma starch levels in patients with impaired glucose tolerance and type 2 diabetes were similar to those in insulin. It has been well confirmed that insulin regulates blood glucose control by promoting glucose release. Some research have showed the evidence in animals and diabetic patients that amylin regulates glucose inflow circulation by delaying the release of nutrients, so as to inhibiting the appearance of postprandial glucose and inhibiting the secretion of glucagon after meal. Therefore, we believe that the role of amylin is a supplement to insulin. Despite insulin replacement therapy, the problem of blood glucose control in diabetic patients may be due to amylin deficiency.

Function of Amylins (IAPP)

  1. Amylin is part of the endocrine pancreas and helps control blood sugar. The peptide is secreted from the islets into the blood circulation and removed by peptidase in the kidney.
  2. The metabolic function of amylin is to inhibit the appearance of nutrition in plasma. Therefore, it is a synergistic partner of insulin, which binds to islet β cells together with insulin as a dietary response. The overall effect is to slow down the rate of glucose in the blood after eating (Ra), which is achieved by coordinating the reduction of gastric emptying and inhibition of digestive secretion, therefore reducing food intake.
  3. Amylin is also involved in bone metabolism with calcitonin and calcitonin gene-related peptide.
  4. Amylin gene knockout in rodents does not normally reduce appetite after eating. Because it is an amide peptide, like many neuropeptides, it is thought to be the cause of appetite.

References:
1. Goldsbury, C., Goldie, K., Pellaud, J., Seelig, J., Frey, P., Müller, S. A., ... & Aebi, U. (2000). Amyloid fibril formation from full-length and fragments of amylin. Journal of structural biology130(2-3), 352-362.
2. Kanatsuka, A., Kou, S., & Makino, H. (2018). IAPP/amylin and β-cell failure: implication of the risk factors of type 2 diabetes. Diabetology international9(3), 143-157.

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