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Mount Sinai Researchers Move Closer to a Cure for Diabetes? - Video

Published On 2024-12-14T07:45:20+05:30  |  Updated On 14 Dec 2024 12:52 PM IST
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Overview

Diabetes researchers and bioinformaticians from the Icahn School of Medicine at Mount Sinai have developed a new understanding of how human beta cell regenerative drugs work. These drugs, developed at Mount Sinai, may hold promise for more than 500 million people with diabetes in the world. The results of this study were published in Cell Reports Medicine.
For more than 15 years, researchers at the Icahn School of Medicine at Mount Sinai have worked tirelessly to find a solution to cure diabetes by identifying a drug that could make human beta cells regenerate.
In 2015, Mount Sinai researchers discovered the first such drug, called harmine. Harmine is a member of a class of drugs called DYRK1A inhibitors. In 2019 and 2020, the researchers reported that DYRK1A inhibitors can synergize with TGF-beta signaling as well as GLP-1 receptor agonist (GLP-1RA) drugs such as semaglutide (e.g., Ozempic) and exenatide (Byetta) to induce more robust levels of human beta cell regeneration. Finally, in July 2024, they showed that harmine alone increases human beta cell mass by 300%, and if a GLP-1RA is added, by 700%.
In the newest study, the research team reports that the new, regenerated beta cells may be coming from an unexpected source: a second pancreatic cell type called alpha cells. Since alpha cells are abundant in people with type 1 and type 2 diabetes, they may be able to serve as a source for new beta cells in both common types of diabetes.
“This is an exciting finding that shows harmine-family drugs may be able to induce lineage conversion in human pancreatic islets,” says Esra Karakose, PhD, Assistant Professor of Medicine (Endocrinology, Diabetes and Bone Disease) at the Icahn School of Medicine at Mount Sinai and corresponding author of the study. “It may mean that people with all forms of diabetes have a large potential ‘reservoir’ for future beta cells, just waiting to be activated by drugs like harmine.”
Reference: Cycling alpha cells in regenerative drug-treated human pancreatic islets may serve as key beta cell progenitors, Karakose, Esra et al. Cell Reports Medicine, Volume 0, Issue 0, 101832

Speakers

Dr. Bhumika Maikhuri

BDS, MDS

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