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Establishment of Clonal Colony-Forming Assay System for Pancreatic Stem/Progenitor Cells

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Pluripotent stem cells found in a number of organs are usually in small cell populations. However, under adaptive stimulation, they enter the stage of growth and differentiation to compensate for the loss of differentiated cells. To analyze stem cell potential precisely, the exclusion of other differentiated cells and a clonal assay system are strongly required. In this study, we established a colony-forming assay system for pancreatic stem/progenitor cells in vitro. In this culture condition, they received signals for growth and differentiation, and formed clonal colonies including pancreatic endocrine-lineage cells, such as α and β cells. By combining this culture system with flow cytometric cell sorting, pancreatic stem/progenitor cells will be enriched, and their potential can be analyzed precisely in single cell-based experiments.
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Keywords: Colony; Flow cytom; Key words: Pancreas; Stem cell

Document Type: Research Article

Affiliations: 1: *Department of Surgery, Institute of Clinical Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan 2: †Department of Immunology, Institute of Basic Medical Sciences, University of Tsukuba, and CREST (Japan Science and Technology Corporation), 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan

Publication date: 2002-05-01

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