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Lipid-Oriented Live-Cell Distinction of B and T Lymphocytes

The identification of each cell type is essential for understanding multicellular communities. Antibodies set as biomarkers have been the main toolbox for cell-type recognition, and chemical probes are emerging surrogates. Herein we report the first small-molecule probe, CDgB, to discriminate B lymp...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2021-04, Vol.143 (15), p.5836-5844
Main Authors: Kwon, Haw-Young, Kumar Das, Raj, Jung, Gun Tae, Lee, Hong-Guen, Lee, Sun Hyeok, Berry, Stuart N, Tan, Justin Kok Soon, Park, Solip, Yang, Jae-Seong, Park, Soohyun, Baek, Kangkyun, Park, Kyeng Min, Lee, Jae Won, Choi, Yun-Kyu, Kim, Ki Hean, Kim, Sangho, Kim, Kwang Pyo, Kang, Nam-Young, Kim, Kimoon, Chang, Young-Tae
Format: Article
Language:English
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Summary:The identification of each cell type is essential for understanding multicellular communities. Antibodies set as biomarkers have been the main toolbox for cell-type recognition, and chemical probes are emerging surrogates. Herein we report the first small-molecule probe, CDgB, to discriminate B lymphocytes from T lymphocytes, which was previously impossible without the help of antibodies. Through the study of the origin of cell specificity, we discovered an unexpected novel mechanism of membrane-oriented live-cell distinction. B cells maintain higher flexibility in their cell membrane than T cells and accumulate the lipid-like probe CDgB more preferably. Because B and T cells share common ancestors, we tracked the cell membrane changes of the progenitor cells and disclosed the dynamic reorganization of the membrane properties over the lymphocyte differentiation progress. This study casts an orthogonal strategy for the small-molecule cell identifier and enriches the toolbox for live-cell distinction from complex cell communities.
ISSN:0002-7863
1520-5126
DOI:10.1021/jacs.1c00944