Abstract:
:Skeletal muscle responds to endurance exercise with an improvement of biochemical pathways that support substrate supply and oxygen-dependent metabolism. This is reflected by enhanced expression of associated factors after exercise and is specifically modulated by tissue perfusion and oxygenation. We hypothesized that transcript expression of pro-angiogenic factors (VEGF, tenascin-C, Angpt1, Angpt1R) and oxygen metabolism (COX4I1, COX4I2, HIF-1α) in human muscle after an endurance stimulus depends on vasoconstriction, and would be modulated through angiotensin-converting enzyme inhibition by intake of lisinopril. Fourteen non-specifically trained, male Caucasians subjects, carried out a single bout of standardized one-legged bicycle exercise. Seven of the participants consumed lisinopril in the 3 days before exercise. Biopsies were collected pre- and 3 h post-exercise from the m. vastus lateralis. COX4I1 (P = 0.03), COX4I2 (P = 0.04) mRNA and HIF-1α (P = 0.05) mRNA and protein levels (P = 0.01) showed an exercise-induced increase in the group not consuming the ACE inhibitor. Conversely, there was a specific exercise-induced increase in VEGF transcript (P = 0.04) and protein levels (P = 0.03) and a trend for increased tenascin-c transcript levels (P = 0.09) for subjects consuming lisinopril. The observations indicate that exercise-induced expression of transcripts involved in angiogenesis and mitochondrial energy metabolism are to some extent regulated via a hypoxia-related ACE-dependent mechanism.
journal_name
Scand J Med Sci Sportsjournal_title
Scandinavian journal of medicine & science in sportsauthors
van Ginkel S,Ruoss S,Valdivieso P,Degens H,Waldron S,de Haan A,Flück Mdoi
10.1111/sms.12572subject
Has Abstractpub_date
2016-10-01 00:00:00pages
1180-7issue
10eissn
0905-7188issn
1600-0838journal_volume
26pub_type
杂志文章abstract::During whole-body exercise, peak fat oxidation occurs at a moderate intensity. This study investigated whole-body peak fat oxidation in untrained and trained subjects, and the presence of a relation between skeletal muscle oxidative enzyme activity and whole-body peak fat oxidation. Healthy male subjects were recruite...
journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
doi:10.1111/j.1600-0838.2005.00480.x
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
doi:10.1034/j.1600-0838.2002.10178.x
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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doi:10.1111/j.1600-0838.2009.00933.x
更新日期:2010-02-01 00:00:00
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
doi:10.1111/j.1600-0838.2006.00616.x
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
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journal_title:Scandinavian journal of medicine & science in sports
pub_type: 杂志文章
doi:10.1111/j.1600-0838.2011.01378.x
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journal_title:Scandinavian journal of medicine & science in sports
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