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Pubmed ID :29539434
Publication Date : //

Expansion of Adult Human Pancreatic Tissue Yields Organoids Harboring Progenitor Cells with Endocrine Differentiation Potential.


Generating an unlimited source of human insulin-producing cells is a prerequisite to advance β cell replacement therapy for diabetes. Here, we describe a 3D culture system that supports the expansion of adult human pancreatic tissue and the generation of a cell subpopulation with progenitor characteristics. These cells display high aldehyde dehydrogenase activity (ALDH), express pancreatic progenitors markers (PDX1, PTF1A, CPA1, and MYC), and can form new organoids in contrast to ALDH cells. Interestingly, gene expression profiling revealed that ALDH cells are closer to human fetal pancreatic tissue compared with adult pancreatic tissue. Endocrine lineage markers were detected upon in vitro differentiation. Engrafted organoids differentiated toward insulin-positive (INS) cells, and circulating human C-peptide was detected upon glucose challenge 1 month after transplantation. Engrafted ALDH cells formed INS cells. We conclude that adult human pancreatic tissue has potential for expansion into 3D structures harboring progenitor cells with endocrine differentiation potential.

Authors : Loomans Cindy J M , Williams Giuliani Nerys , Balak Jeetindra , Ringnalda Femke , van Gurp Léon , Huch Meritxell , Boj Sylvia F , Sato Toshiro , Kester Lennart , de Sousa Lopes Susana M Chuva , Roost Matthias S , Bonner-Weir Susan , Engelse Marten A , Rabelink Ton J , Heimberg Harry , Vries Robert G J , van Oudenaarden Alexander , Carlotti Françoise , Clevers Hans , de Koning Eelco J P ,

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