Mixed lactate and caffeine compound increases satellite cell activity and anabolic signals for muscle hypertrophy

Yoshimi Oishi, Hayato Tsukamoto, Takumi Yokokawa, Keisuke Hirotsu, Mariko Shimazu, Kenji Uchida, Hironori Tomi, Kazuhiko Higashida, Nobumasa Iwanaka, Takeshi Hashimoto

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We examined whether a mixed lactate and caffeine compound (LC) could effectively elicit proliferation and differentiation of satellite cells or activate anabolic signals in skeletal muscles. We cultured C2C12 cells with either lactate or LC for 6 h. We found that lactate significantly increased myogenin and follistatin protein levels and phosphorylation of P70S6K while decreasing the levels of myostatin relative to the control. LC significantly increased protein levels of Pax7, MyoD, and Ki67 in addition to myogenin, relative to control. LC also significantly increased follistatin expression relative to control and stimulated phosphorylation of mTOR and P70S6K. In an in vivo study, male F344/DuCrlCrlj rats were assigned to control (Sed, n = 10), exercise (Ex, n = 12), and LC supplementation (LCEx, n = 13) groups. LC was orally administered daily. The LCEx and Ex groups were exercised on a treadmill, running for 30 min at low intensity every other day for 4 wk. The LCEx group experienced a significant increase in the mass of the gastrocnemius (GA) and tibialis anterior (TA) relative to both the Sed and Ex groups. Furthermore, the LCEx group showed a significant increase in the total DNA content of TA compared with the Sed group. The LCEx group experienced a significant increase in myogenin and follistatin expression of GA relative to the Ex group. These results suggest that administration of LC can effectively increase muscle mass concomitant with elevated numbers of myonuclei, even with low-intensity exercise training, via activated satellite cells and anabolic signals.

Original languageEnglish
Pages (from-to)742-749
Number of pages8
JournalJournal of Applied Physiology
Volume118
Issue number6
DOIs
Publication statusPublished - 2015 Mar 15

Fingerprint

Follistatin
Myogenin
Caffeine
Hypertrophy
70-kDa Ribosomal Protein S6 Kinases
Lactic Acid
Muscles
Phosphorylation
Myostatin
Inbred F344 Rats
Running
Cell Differentiation
Cultured Cells
Skeletal Muscle
Proteins
Exercise
DNA

Keywords

  • Follistatin
  • Low-intensity exercise
  • mTOR
  • Sarcopenia
  • Skeletal muscle cells

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Mixed lactate and caffeine compound increases satellite cell activity and anabolic signals for muscle hypertrophy. / Oishi, Yoshimi; Tsukamoto, Hayato; Yokokawa, Takumi; Hirotsu, Keisuke; Shimazu, Mariko; Uchida, Kenji; Tomi, Hironori; Higashida, Kazuhiko; Iwanaka, Nobumasa; Hashimoto, Takeshi.

In: Journal of Applied Physiology, Vol. 118, No. 6, 15.03.2015, p. 742-749.

Research output: Contribution to journalArticle

Oishi, Y, Tsukamoto, H, Yokokawa, T, Hirotsu, K, Shimazu, M, Uchida, K, Tomi, H, Higashida, K, Iwanaka, N & Hashimoto, T 2015, 'Mixed lactate and caffeine compound increases satellite cell activity and anabolic signals for muscle hypertrophy', Journal of Applied Physiology, vol. 118, no. 6, pp. 742-749. https://doi.org/10.1152/japplphysiol.00054.2014
Oishi, Yoshimi ; Tsukamoto, Hayato ; Yokokawa, Takumi ; Hirotsu, Keisuke ; Shimazu, Mariko ; Uchida, Kenji ; Tomi, Hironori ; Higashida, Kazuhiko ; Iwanaka, Nobumasa ; Hashimoto, Takeshi. / Mixed lactate and caffeine compound increases satellite cell activity and anabolic signals for muscle hypertrophy. In: Journal of Applied Physiology. 2015 ; Vol. 118, No. 6. pp. 742-749.
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AU - Shimazu, Mariko

AU - Uchida, Kenji

AU - Tomi, Hironori

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AU - Iwanaka, Nobumasa

AU - Hashimoto, Takeshi

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