Journal
PHARMACEUTICS
Volume 14, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/pharmaceutics14040719
Keywords
muscle atrophy; Ishige okamurae (IO); diphlorethohydroxycarmalol (DPHC); dexamethasone (DEX); physical function; metabolic property
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Funding
- Ministry of Oceans and Fisheries, Korea [20170285]
- National Research Foundation of Korea (NRF) - Korean government (Ministry of Science and ICT, MSIT) [NRF-2020R1C1C1014835]
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The study found that the extract of Ishige okamurae and its active component can potentially prevent muscle atrophy caused by corticosteroids and may be used to treat skeletal muscle degeneration. This provides new ideas for the prevention and treatment of muscle atrophy.
Muscle atrophy refers to the loss of skeletal muscle mass, myofiber size, and related physical functions such as walking speed or grip strength caused by aging or a lack of physical activity due to injury or illness and can also be attributed to excessive exposure to corticosteroids. Ishige okamurae (IO) and its active component, diphlorethohydroxycarmalol (DPHC), have been known to improve glucose homeostasis by controlling the contraction of skeletal muscles. Based on this idea, we hypothesized that the effects of DPHC and IO extract on muscle metabolism are associated with their role in improving muscle physical function. This study assessed the effects of DPHC or IO extract on muscle behavioral responses with their metabolic properties in muscle atrophy induced by glucocorticoids and dexamethasone (DEX) in vivo. In addition to the improvement in muscle behavioral response by DPHC or IO extract, the loss of muscle fiber and the related metabolic properties by DEX exposure in the gastrocnemius and soleus of calf muscle was prevented. These findings suggest that IO extract and its active component DPHC can potentially prevent muscle atrophy caused by exposure to corticosteroids and could be used to treat reverse skeletal atrophy.
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