Cited by 104Neuropeptides and Animal PhysiologyDiabetes Treatment and ManagementPancreatic function and diabetes

Amylin structure–function relationships and receptor pharmacology: implications for amylin mimetic drug development

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Bower, Rebekah L, Hay, Debbie L·2016·British Journal of Pharmacology

Abstract

Amylin is an important, but poorly understood, 37 amino acid glucoregulatory hormone with great potential to target metabolic diseases. A working example that the amylin system is one worth developing is the FDA‐approved drug used in insulin‐requiring diabetic patients, pramlintide. However, certain characteristics of pramlintide pharmacokinetics and formulation leave considerable room for further development of amylin‐mimetic compounds. Given that amylin‐mimetic drug design and development is an active area of research, surprisingly little is known about the structure/function relationships of amylin. This is largely due to the unfavourable aggregative and solubility properties of the native peptide sequence, which are further complicated by the composition of amylin receptors. These are complexes of the calcitonin receptor with receptor activity‐modifying proteins. This review explores what is known of the structure–function relationships of amylin and provides insights that can be drawn from the closely related peptide, CGRP. We also describe how this information is aiding the development of more potent and stable amylin mimetics, including peptide hybrids.

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Crossref · 10.1111/bph.13496

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  • Each receptor combination typically binds one calcitonin-family peptide with high affinity, while other family members bind same receptor dimer with lower affinities.

    “Pharmacological studies of the interactions between peptides of the calcitonin family and their receptors have shown that each of the receptor combinations typically binds one of the calcitonin-family peptides with high affinity, whereas other members of the family can bind to the same receptor dimer with lower affinities (21).”

    From The Activity of Peptides of the Calcitonin Family in Bone (2019) · cites this paper as [21]

    The Amylin receptors and Amylin receptor pharmacology sections describe calcitonin-family peptides binding GPCR–RAMP receptor combinations and identify amylin as a high-affinity ligand at AMY1 and AMY3 receptors. They do not establish a general rule that each combination favors one peptide while all other family members bind with lower affinity: the pharmacology section reports that CGRP is also a potent agonist at some AMY receptors, with responses varying by RAMP and species (page not available in our copy). (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • NH2-terminal and COOH-terminal are highly conserved among calcitonin, CGRP, and amylin, while middle region is more divergent.

    “The NH 2 -terminal and COOH-terminal are highly conserved among calcitonin, CGPR, and amylin, whereas the middle region is more divergent (21).”

    From The Activity of Peptides of the Calcitonin Family in Bone (2019) · cites this paper as [21]

    Experimental — accuracy not yet measured
  • Linear peptides truncated at NH2-terminal, including amylin 8-37, alphaCGRP 8-37, and adrenomedullin 22-52, act as antagonists because they bind receptors but do not activate them.

    “Thus, linear peptides produced by truncation of the NH 2terminal domains, including amylin 8 -37 , ␣CGRP 8 -37 , and adrenomedullin 22-52 , have been used as antagonists of the parent molecules, as they bind the receptors but fail to activate them (21).”

    From The Activity of Peptides of the Calcitonin Family in Bone (2019) · cites this paper as [21]

  • IAPP is believed to interact with the calcitonin receptor (CALCR) but expression of CALCR is negligible in both mouse and human β-cells.

    “IAPP is believed to interact with the calcitonin receptor (Calcr/CALCR) (84) but the expression of Calcr/CALCR expression is negligible in both mouse and human β-cells (Appendix Figure 12A).”

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Authors
Bower, R. L., & Hay, D. L.
Affiliations
University of Auckland (NZ)
Corresponding author
Hay, Debbie L
Venue
British Journal of Pharmacology
Publisher
Wiley
Published
2016-05-18
Volume
173
Issue
12
Pages
1883-1898
ISSN
  • 0007-1188 (ISSN-L)
  • 1476-5381
OpenAlex
W2335911426
Cited by
104
References
90
Citations by year
2026: 14 · 2025: 8 · 2024: 8 · 2023: 10 · 2022: 6 · 2021: 18 · 2020: 12 · 2019: 9 · 2018: 10 · 2017: 8 · 2016: 1
FWCI
1.02
Type
journal article
Language
en
Open access
Locations
  • British Journal of Pharmacology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
Keywords
amylin, structure-function relationship, pramlintide, amylin receptor, calcitonin receptor, receptor activity-modifying proteins, amylin aggregation, peptide solubility, calcitonin gene-related peptide, hybrid peptides, type 1 diabetes, drug development
MeSH terms
Animals, Humans, Structure-Activity Relationship, Drug Design, Islet Amyloid Polypeptide, Receptors, Islet Amyloid Polypeptide, Amylin Receptor Agonists

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