Functional Food Mixture Extricates D-Galactose-Induced Skeletal Muscle Impairment in Rats.

Area of Science:

• Gerontology and Muscle Physiology
• Nutritional Science and Pharmacology

Background:

• Aging-related muscle atrophy (sarcopenia) significantly impacts quality of life.
• D-galactose administration in rats mimics age-related muscle changes, including inflammation and impaired signaling.

Purpose of the Study:

• To investigate the efficacy of a functional food mixture (amla, turmeric, black pepper, cinnamon, ginger) against D-galactose-induced muscle atrophy in Wistar rats.
• To elucidate the protective mechanisms of the functional food mixture on muscle tissue.

Main Methods:

• Wistar rats were divided into Control, D-galactose (G), and D-galactose + functional food mixture (G + I) groups.
• Rats received daily D-galactose injections for 90 days; the G + I group also received the functional food mixture.
• Gastrocnemius muscles were analyzed for inflammatory cytokines, atrogenes, insulin/IGF1 signaling, mitochondrial dynamics, and apoptotic mediators.

Main Results:

• D-galactose induced muscle atrophy, characterized by increased inflammatory cytokines (TNFα, NF-kB), atrogenes (atrogin-1, MuRF1), and apoptotic mediators (Bax/Bcl-2, caspase-3).
• Galactose also decreased insulin/IGF1 signaling (AKT phosphorylation) and altered mitochondrial dynamics (increased fission, decreased fusion).
• Functional food mixture supplementation counteracted these D-galactose-induced negative effects, preserving muscle health.

Conclusions:

• The functional food mixture demonstrated significant protective effects against D-galactose-induced muscle atrophy in rats.
• Key mechanisms include anti-inflammatory, insulin-sensitizing, mitochondria-protective, and antiapoptotic actions.
• This mixture shows potential for preventing age-related muscle disorders and sarcopenia.