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. 2021 Jan 8;34(4):308–323. doi: 10.1089/ars.2020.8048

FIG. 4.

FIG. 4.

Senescence markers measured in skeletal muscle myofibers. (A) Gastrocnemius muscle from a 32-month-old mouse. Blue: DAPI, red: p21, green: autofluorescence (28). White arrows indicate p21-positive centrally located nuclei. (B) Senescence markers observed and senescence phenotypes inferred in skeletal myofibers (28). Color images are available online.