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Showing posts with label fast-twitch. Show all posts
Showing posts with label fast-twitch. Show all posts
Saturday, December 12, 2009
Altered myoplasmic Ca(2+) handling in rat fast-twitch skeletal muscle fibres during disuse atrophy.
Altered myoplasmic Ca(2+) handling in rat fast-twitch skeletal muscle fibres during disuse atrophy.: "URL: Altered myoplasmic Ca(2+) handling in rat fast-twitch skeletal muscle fibres during disuse atrophy.
HEIRS Health & Home
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HEIRS Health & Home
www.heirs-online.com
heirshealth@gmail.com
Check out some of our cool, more eco-friendly, non-toxic or got-to-have items in the HEIRS Web Store at Amazon or specialty items on our HEIRS Health & Home online.
Monday, September 28, 2009
Possible roles of myostatin and pgc-1alpha in the increase of skeletal muscle and transformation of fiber type in cold-exposed chicks: expression of m
HEIRS Environmental Illness Research Blog: PGC-1a , Cold, MCK, Myogenesis and Nrf2 and Environmental Illness?!
HEIRS Environmental Illness Research Blog: PGC-1a , Cold, MCK, Myogenesis and Nrf2 and Environmental Illness?!
Title: Possible roles of myostatin and pgc-1alpha in the increase of skeletal muscle and transformation of fiber type in cold-exposed chicks: expression of myostatin and pgc-1alpha in chicks exposed to cold.
Summary: The author noted changes in bgoth myostatin and PGC-1a from cold exposure which the former was reversed upon removal from the cold environment. However, changes in PGC-1a were not seen 24 hrs after removal. These "results indicate that myostatin and PGC-1alpha expression in the skeletal muscle rapidly change in response to acute cold, suggesting the possibility that these two genes could be involved in the increase in muscle mass and transformation of fiber type, respectively, at the initial stage of adaptation in cold-exposed chicks."
Ijiri, D., Kanai, Y., and Hirabayashi, M. (2009). Possible roles of myostatin and pgc-1alpha in the increase of skeletal muscle and transformation of fiber type in cold-exposed chicks: expression of myostatin and pgc-1alpha in chicks exposed to cold. Domestic animal endocrinology, 37(1):12-22. http://bit.ly/muscle-fibers
HEIRS Environmental Illness Research Blog: PGC-1a , Cold, MCK, Myogenesis and Nrf2 and Environmental Illness?!
Title: Possible roles of myostatin and pgc-1alpha in the increase of skeletal muscle and transformation of fiber type in cold-exposed chicks: expression of myostatin and pgc-1alpha in chicks exposed to cold.
Summary: The author noted changes in bgoth myostatin and PGC-1a from cold exposure which the former was reversed upon removal from the cold environment. However, changes in PGC-1a were not seen 24 hrs after removal. These "results indicate that myostatin and PGC-1alpha expression in the skeletal muscle rapidly change in response to acute cold, suggesting the possibility that these two genes could be involved in the increase in muscle mass and transformation of fiber type, respectively, at the initial stage of adaptation in cold-exposed chicks."
Ijiri, D., Kanai, Y., and Hirabayashi, M. (2009). Possible roles of myostatin and pgc-1alpha in the increase of skeletal muscle and transformation of fiber type in cold-exposed chicks: expression of myostatin and pgc-1alpha in chicks exposed to cold. Domestic animal endocrinology, 37(1):12-22. http://bit.ly/muscle-fibers
Conditional knockout of mnsod targeted to type iib skeletal muscle fibers increases oxidative stress and is sufficient to alter aerobic exercise capac
HEIRS Environmental Illness Research Blog: PGC-1a , Cold, MCK, Myogenesis and Nrf2 and Environmental Illness?!
Title: Conditional knockout of mnsod targeted to type iib skeletal muscle fibers increases oxidative stress and is sufficient to alter aerobic exercise capacity.
Summary: "MSOD was reduced while mitochondrial superoxide was increased....this data suggests that elevated mitochondrial oxidative stress and damage in glycolytic muscle fibers is sufficient to reduce contractile muscle function and aerobic exercise capacity."
Lustgarten, M., Jang, Y., Liu, Y., Muller, F., Qi, W., Steinhelper, M., Brooks, S., Larkin, L. M., Shimizu, T., Shirasawa, T., McManus, L., Bhattacharya, A., Richardson, A., and Van Remmen, H. (2009). Conditional knockout of mnsod targeted to type iib skeletal muscle fibers increases oxidative stress and is sufficient to alter aerobic exercise capacity. American journal of physiology. Cell physiology
Title: Conditional knockout of mnsod targeted to type iib skeletal muscle fibers increases oxidative stress and is sufficient to alter aerobic exercise capacity.
Summary: "MSOD was reduced while mitochondrial superoxide was increased....this data suggests that elevated mitochondrial oxidative stress and damage in glycolytic muscle fibers is sufficient to reduce contractile muscle function and aerobic exercise capacity."
Lustgarten, M., Jang, Y., Liu, Y., Muller, F., Qi, W., Steinhelper, M., Brooks, S., Larkin, L. M., Shimizu, T., Shirasawa, T., McManus, L., Bhattacharya, A., Richardson, A., and Van Remmen, H. (2009). Conditional knockout of mnsod targeted to type iib skeletal muscle fibers increases oxidative stress and is sufficient to alter aerobic exercise capacity. American journal of physiology. Cell physiology
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