John T Walker, Diane C Saunders, Marcela Brissova, Alvin C Powers
Endocrine Reviews, Volume 42, Issue 5, October 2021, Pages 605–657
https://doi.org/10.1210/endrev/bnab010
This review focuses on the human pancreatic islet — including its structure, cell composition, development, function, and dysfunction. After providing a historical timeline of key discoveries about human islets over the past century, we describe new research approaches and technologies that are being used to study human islets and how these are providing insight into human islet physiology and pathophysiology. We also describe changes or adaptations in human islets in response to physiologic challenges such as pregnancy, aging, and insulin resistance and discuss islet changes in human diabetes of many forms. We outline current and future interventions being developed to protect, restore, or replace human islets. The review also highlights unresolved questions about human islets and proposes areas where additional research on human islets is needed.
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