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Fig. 4 | BMC Genetics

Fig. 4

From: Skeletal muscle in aged mice reveals extensive transformation of muscle gene expression

Fig. 4

Degenerated myofilaments and mitochondrial breakdown in the muscle of aged mice. Ultrastructure of the rectus femoris from male mice (a) at the ages of 3 months and (b-c) 24 months old. b Aged rectus femoris muscle displayed large tubular aggregates, formed by SR. c The MVB was enlarged and shown in the aged skeletal muscle. The red arrow indicates the MVB. N, nucleus; m, mitochondria; mf, myofilament; SR, sarcoplasmic reticulum. We performed ultrastructural observation using 4 mice of each age, 5 blocks of each mouse, and 3 grids of each block. We screened each grid and collected more than 5 images for us to show the appropriate and reproducible data

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