Cellular-scale proximity labeling for recording cell spatial organization in mouse tissues
Proximity labeling has emerged as a powerful strategy for interrogating cell-cell interactions. However, the nanometer-scale labeling radius impedes the use of current methods for indirect cell communications and makes recording cell spatial organization in tissue samples difficult. Here, we develop quinone methide-assisted identification of cell spatial organization (QMID), a chemical strategy with the labeling radius matching the cell dimension. The activating enzyme is installed on the surface of bait cells, which produces QM electrophiles that can diffuse across micrometers and label proximal prey cells independent of cell-cell contacts. In cell coculture, QMID reveals gene expression of macrophages that are regulated by spatial proximity to tumor cells. Furthermore, QMID enables labeling and isolation of proximal cells of CD4+ and CD8+ T cells in the mouse spleen, and subsequent single-cell RNA sequencing uncovers distinctive cell populations and gene expression patterns within the immune niches of specific T cell subtypes. QMID should facilitate dissecting cell spatial organization in various tissues.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Science advances - 9(2023), 21 vom: 26. Mai, Seite eadg6388 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Xu [VerfasserIn] |
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| Anmerkungen: |
Date Completed 29.05.2023 Date Revised 15.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1126/sciadv.adg6388 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM357379160 |
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| 520 | |a Proximity labeling has emerged as a powerful strategy for interrogating cell-cell interactions. However, the nanometer-scale labeling radius impedes the use of current methods for indirect cell communications and makes recording cell spatial organization in tissue samples difficult. Here, we develop quinone methide-assisted identification of cell spatial organization (QMID), a chemical strategy with the labeling radius matching the cell dimension. The activating enzyme is installed on the surface of bait cells, which produces QM electrophiles that can diffuse across micrometers and label proximal prey cells independent of cell-cell contacts. In cell coculture, QMID reveals gene expression of macrophages that are regulated by spatial proximity to tumor cells. Furthermore, QMID enables labeling and isolation of proximal cells of CD4+ and CD8+ T cells in the mouse spleen, and subsequent single-cell RNA sequencing uncovers distinctive cell populations and gene expression patterns within the immune niches of specific T cell subtypes. QMID should facilitate dissecting cell spatial organization in various tissues | ||
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| 700 | 1 | |a Guo, Yilan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Shaoran |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Shuyu |e verfasserin |4 aut | |
| 700 | 1 | |a Dai, Peng |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xing |e verfasserin |4 aut | |
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