Lactobacillus paracasei PS23 decelerated age-related muscle loss by ensuring mitochondrial function in SAMP8 mice

Li Han Chen, Shih Yi Huang, Kuo Chin Huang, Chih Chieh Hsu, Kuen Cheh Yang, Lin Ai Li, Ching Hung Chan, Hui Yu Huang

Research output: Contribution to journalArticle

Abstract

Sarcopenia is a common impairment in the elderly population responsible for poor outcomes later in life; it can be caused by age-related alternations. Only a few strategies have been reported to reduce sarcopenia. Lactobacillus paracasei PS23 (LPPS23) has been reported to delay some age-related disorders. Therefore, here we investigated whether LPPS23 decelerates age-related muscle loss and its underlying mechanism. Female senescence-accelerated mouse prone-8 (SAMP8) mice were divided into three groups (n=6 each): non-aging (16-week-old), control (28-week-old), and PS23 (28-week-old) groups. The control and PS23 groups were given saline and LPPS23, respectively. We evaluated the effects of LPPS23 by analyzing body weight and composition, muscle strength, protein uptake, mitochondrial function, reactive oxygen species (ROS), antioxidant enzymes, and inflammation-related cytokines. LPPS23 significantly attenuated age-related decreases of muscle mass and strength. Compared to the control group, the non-aging and PS23 groups exhibited higher mitochondrial function, IL10, antioxidant enzymes, and protein uptake. Moreover, inflammatory cytokines and ROS were lower in the non-aging and PS23 groups than the control group. Taken together, LPPS23 extenuated sarcopenia progression during aging; this effect might have been enacted by preserving the mitochondrial function via reducing age-related inflammation and ROS and by retaining protein uptake in the SAMP8 mice.

Original languageEnglish
Pages (from-to)756-770
Number of pages15
JournalAging
Volume11
Issue number2
DOIs
Publication statusPublished - Jan 1 2019

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Sarcopenia
Muscles
Reactive Oxygen Species
Muscle Strength
Control Groups
Antioxidants
Cytokines
Inflammation
Muscle Proteins
Enzymes
Body Composition
Interleukin-10
Lactobacillus paracasei
Proteins
Body Weight
Population

Keywords

  • Age-related inflammation
  • Lactobacillus paracasei PS23
  • Mitochondrial function
  • Protein uptake
  • Sarcopenia

ASJC Scopus subject areas

  • Ageing
  • Cell Biology

Cite this

Lactobacillus paracasei PS23 decelerated age-related muscle loss by ensuring mitochondrial function in SAMP8 mice. / Chen, Li Han; Huang, Shih Yi; Huang, Kuo Chin; Hsu, Chih Chieh; Yang, Kuen Cheh; Li, Lin Ai; Chan, Ching Hung; Huang, Hui Yu.

In: Aging, Vol. 11, No. 2, 01.01.2019, p. 756-770.

Research output: Contribution to journalArticle

Chen, Li Han ; Huang, Shih Yi ; Huang, Kuo Chin ; Hsu, Chih Chieh ; Yang, Kuen Cheh ; Li, Lin Ai ; Chan, Ching Hung ; Huang, Hui Yu. / Lactobacillus paracasei PS23 decelerated age-related muscle loss by ensuring mitochondrial function in SAMP8 mice. In: Aging. 2019 ; Vol. 11, No. 2. pp. 756-770.
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