ArticleEuropean journal of applied physiology2009
Effect of exercise on glutamine metabolism in macrophages of trained rats.
Article in European journal of applied physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 12 citations in OpenAlex.
- Glutamine as an Anti-Fatigue Amino Acid in Sports Nutrition.Nutrients · 2019Review
- Overload training inhibits phagocytosis and ROS generation of peritoneal macrophages: role of IGF-1 and MGF.European journal of applied physiology · 2013Article
- Phagocytic responses of peritoneal macrophages and neutrophils are different in rats following prolonged exercise.Clinics (Sao Paulo, Brazil) · 2010Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study investigated the effect of exercise on glutamine metabolism in macrophages of trained rats. Rats were divided into three groups: sedentary (SED); moderately trained (MOD) rats that were swim trained 1 h/day, 5 days/week for 6 weeks; and exhaustively trained (EXT) rats that were similarly trained as MOD for 5 weeks and, in the 6th week, trained in three 1-h sessions/day with 150 min of rest between sessions. The animals swam with a load equivalent to 5.5% of their body weight and were killed 1 h after the last exercise session. Cells were collected, and glutamine metabolism in macrophage and function were assayed. Exercise increased phagocytosis in MOD when compared to SED (34.48 +/- 1.79 vs 15.21 +/- 2.91%, P < 0.05); however, H(2)O(2) production was higher in MOD (75.40 +/- 3.48 nmol h x 10(5) cell(-1)) and EXT (79.20 +/- 1.18 nmol h x 10(5) cell(-1)) in relation to SED (32.60 +/- 2.51 nmol h x 10(5) cell(-1), P < 0.05). Glutamine consumption increased in MOD and EXT (26.53 +/- 3.62 and 19.82 +/- 2.62 nmol h x 10(5) cell(-1), respectively) relative to SED (6.72 +/- 0.57 nmol h x 10(5) cell(-1), P < 0.05). Aspartate increased in EXT (9.72 +/- 1.14 nmol h x 10(5) cell(-1)) as compared to SED (1.10 +/- 0.19 nmol h x 10(5) cell(-1), P < 0.05). Glutamine decarboxylation was increased in MOD (12.10 +/- 0.27 nmol h x 10(5) cell(-1)) and EXT (16.40 +/- 2.17 nmol h x 10(5) cell(-1)) relative to SED (1.10 +/- 0.06 nmol h x 10(5) cell(-1), P < 0.05). This study suggests an increase in macrophage function post-exercise, which was supported by enhanced glutamine consumption and metabolism, and highlights the importance for glutamine after exercise.
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