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2 protocols using ls c109221

1

Isolation and Characterization of Lung Stem and Progenitor Cells

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Lungs from Axin2CreERT2-TdTomato animals were harvested at 6–8 weeks of age and processed into a single cell suspension using dispase, collagenase I, and DNase as previously described36 (link),37 (link). EPCAM+ Axin2+ cells (TdTomato+) were identified via FACS sorting as previously described37 (link). The total AT2 population (Sftpc+ AT2s) was isolated from lungs of 6–8 week old SftpcCreERT2:R26REYFP animals 5 days after induction with 200μg/gm tamoxifen. EYFP+ cells were then isolated via FACS sorting as previously described37 (link). For sorting and quantification, the following antibodies were used: Pdpn-eFluor660 (eBioscience, Clone 8.1.1, 1:100) EpCAM-APC (eBioscience, Clone G8.8, 1:200), EpCAM-eFluor488 (eBioscience, Clone G8.8, 1:200), CD31-PeCy7 (eBioscience, Clone 390, 1:200), CD45-PeCy7 (eBioscience, Clone 30-F11, 1:200). Two anti-mouse Tm4sf1 antibodies were used to ensure specificity: Sheep anti-mouse Tm4sf1 (R&D systems, AF7514, 1:10) and Sheep IgG isotype control (R&D systems, 5-001-A, 1:10) with anti-Sheep 488 secondary (Abcam, ab150177, 1:50) or Rabbit anti-mouse Tm4sf1 (LS Biosciences, B7077, 1:25) and Rabbit IgG isotype control (LS Biosciences, LS-C109221, 1:25) with Donkey anti-rabbit 488 secondary (Life Technologies, A212016, 1:200).
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2

Isolation and Characterization of Lung Stem and Progenitor Cells

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Lungs from Axin2CreERT2-TdTomato animals were harvested at 6–8 weeks of age and processed into a single cell suspension using dispase, collagenase I, and DNase as previously described36 (link),37 (link). EPCAM+ Axin2+ cells (TdTomato+) were identified via FACS sorting as previously described37 (link). The total AT2 population (Sftpc+ AT2s) was isolated from lungs of 6–8 week old SftpcCreERT2:R26REYFP animals 5 days after induction with 200μg/gm tamoxifen. EYFP+ cells were then isolated via FACS sorting as previously described37 (link). For sorting and quantification, the following antibodies were used: Pdpn-eFluor660 (eBioscience, Clone 8.1.1, 1:100) EpCAM-APC (eBioscience, Clone G8.8, 1:200), EpCAM-eFluor488 (eBioscience, Clone G8.8, 1:200), CD31-PeCy7 (eBioscience, Clone 390, 1:200), CD45-PeCy7 (eBioscience, Clone 30-F11, 1:200). Two anti-mouse Tm4sf1 antibodies were used to ensure specificity: Sheep anti-mouse Tm4sf1 (R&D systems, AF7514, 1:10) and Sheep IgG isotype control (R&D systems, 5-001-A, 1:10) with anti-Sheep 488 secondary (Abcam, ab150177, 1:50) or Rabbit anti-mouse Tm4sf1 (LS Biosciences, B7077, 1:25) and Rabbit IgG isotype control (LS Biosciences, LS-C109221, 1:25) with Donkey anti-rabbit 488 secondary (Life Technologies, A212016, 1:200).
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