Single-cell suspensions from muscle were prepared by collagenase II (Worthington Biochemical Corp, Lakewood, NJ, USA) digestion followed by staining with fluorochrome-conjugated antibodies.
Antibodies used: (1) Gr1 Clone RB6-8C5 (eBioscience, ThermoFisher, Waltham, MA, USA, Cat#48-5931-82); (2) F4/80 Clone BM8 (Invitrogen, Cat# 11-4801-82); (3) CD11b Clone M1/70 (Invitrogen, ThermoFisher, Waltham, MA, USA, Cat#17-0112-81); (4) Siglec-F Clone E50-2440 (RUO), (BD BioSciences, ThermoFisher, Waltham, MA, USA, Cat# 552126); (5) CD206 Clone C068C2 (BioLegend, San Diego, CA, USA, Cat#141701) and live dead stain (eBioscience). Data acquisition was performed on a FACS Aria or Fortessa (BD Biosciences). UltraComp eBeads (Cat#01333342, Invitrogen) were used to generate single-stain controls. Data was analyzed using FlowJo software (version 10.2) and gating strategies as previously described [39 (link)] to discriminate against dead cells, debris, and doublets were utilized. M1 macrophages were defined as Gr1low-med, F4/80+, and CD11b+.
Antibodies used: (1) Gr1 Clone RB6-8C5 (eBioscience, ThermoFisher, Waltham, MA, USA, Cat#48-5931-82); (2) F4/80 Clone BM8 (Invitrogen, Cat# 11-4801-82); (3) CD11b Clone M1/70 (Invitrogen, ThermoFisher, Waltham, MA, USA, Cat#17-0112-81); (4) Siglec-F Clone E50-2440 (RUO), (BD BioSciences, ThermoFisher, Waltham, MA, USA, Cat# 552126); (5) CD206 Clone C068C2 (BioLegend, San Diego, CA, USA, Cat#141701) and live dead stain (eBioscience). Data acquisition was performed on a FACS Aria or Fortessa (BD Biosciences). UltraComp eBeads (Cat#01333342, Invitrogen) were used to generate single-stain controls. Data was analyzed using FlowJo software (version 10.2) and gating strategies as previously described [39 (link)] to discriminate against dead cells, debris, and doublets were utilized. M1 macrophages were defined as Gr1low-med, F4/80+, and CD11b+.
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