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. 2023 Nov 9;10:54. doi: 10.1186/s40779-023-00485-5

Fig. 5.

Fig. 5

ER stress in the pathogenesis of sarcopenia (SP). a Schematic illustration of SP. b FABP3-dependent membrane lipid remodeling and decreased membrane fluidity result in ER stress and inhibit protein translation through the PERK-eIF2α pathway, ultimately leading to SP. eIF2α α-subunit of eukaryotic translation initiation factor 2, ER endoplasmic reticulum, FA fatty acid, FABP3 fatty acid binding protein 3, PERK protein kinase R-like ER kinase