Bone marrow (BM) cells isolated from the femur and tibia were prepared as described previously (Lei et al., 2018 (link)). All collected cells were treated with ACK (red blood cell lysis) buffer before analysis. To analyze hematopoietic cells, monoclonal antibodies from BD Biosciences (San Jose, CA, United States), eBioscience (San Diego, CA, United States), and BioLegend (San Diego, CA, United States) recognizing the following surface markers were used: Sca-1 (D7), c-Kit (2B8), CD150 (mShad150), CD48 (HM48-1), CD127 (A7R34), CD16/32 (93), Gr-1 (RB6-8C5), Mac-1 (M1/70), B220 (RA3-6B2), CD3e (145-2C11), CD45.1 (A20), CD45.2 (104), Ki67 (7B11), and streptavidin. The mouse lineage cocktail contained anti-CD3, Mac-1, Gr-1, B220, Ter-119 (TER-119), and NK1.1 (PK136) antibodies (eBioscience). Cell analysis was performed using a FACS LSR Fortessa (BD Biosciences) and cell sorting was performed using a FACS AriaIII (BD Biosciences). Data were analyzed using FlowJo10.0 software (TreeStar, Ashland, OR, United States).
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