Cited by 41Pancreatic function and diabetesDiabetes Treatment and ManagementDiabetes and associated disorders

Fluorescent exendin-4 derivatives for pancreatic β-cell analysis

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Clardy, Susan M., Keliher, Edmund J., Mohan, James F., Sebas, Matt, Benoist, Christophe, Mathis, Diane, Weissleder, Ralph·2014·Bioconjugate Chemistry

Abstract

The ability to reliably identify pancreatic β-cells would have far reaching implications for a greater understanding of β-cell biology, measurement of β-cell mass in diabetes, islet transplantation, and drug development. The glucagon-like peptide-1 receptor (GLP1R) is highly expressed on the surface of insulin producing pancreatic β-cells. Using systematic modifications of the GLP1R ligand, exendin-4, we screened over 25 compounds and identified a palette of fluorescent exendin-4 with high GLP1R binding affinity. We show considerable differences in affinity, as well as utility of the top candidates for flow cytometry and microscopy of β-cells. Some of the developed compounds should be particularly useful for basic and translational β-cell research.

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Authors
Clardy, S. M., Keliher, E. J., Mohan, J. F., Sebas, M., Benoist, C., Mathis, D., & Weissleder, R.
Affiliations
  • Massachusetts General Hospital (US)
  • Harvard University (US)
Corresponding author
Weissleder, Ralph
Venue
Bioconjugate Chemistry
Published
2013-12-20
Volume
25
Issue
1
Pages
171-177
ISSN
  • 1043-1802 (ISSN-L)
  • 1520-4812
OpenAlex
W1996106696
Cited by
41
References
17
Citations by year
2026: 1 · 2024: 3 · 2023: 3 · 2022: 1 · 2021: 3 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 1 · 2016: 5 · 2015: 9 · 2014: 5
FWCI
6.25
Type
journal article
Language
en
Open access
Locations
  • Bioconjugate Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Funders
  • National Institutes of Health
  • National Cancer Institute (T32-CA 79443, T32CA079443)
  • National Institute of Allergy and Infectious Diseases (P01-AI54904, P01AI054904)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
exendin-4, fluorescent derivatives, pancreatic beta cells, GLP-1 receptor, beta-cell mass, islet transplantation, flow cytometry, fluorescence microscopy, ligand binding affinity
MeSH terms
Glucagon-Like Peptide-1 Receptor, Exenatide, Animals, Cells, Cultured, Fluorescence, Humans, Mice, Inbred C57BL, Models, Molecular, Peptides, Venoms, Molecular Structure, Receptors, Glucagon, Insulin-Secreting Cells, Mice, HEK293 Cells

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