A chitosan-vitamin C based injectable hydrogel improves cell survival under oxidative stress

Author(s):  
Yueping Guo ◽  
Youyang Qu ◽  
Jiaqi Yu ◽  
Lili Song ◽  
Simin Chen ◽  
...  
2020 ◽  
Vol 55 (9) ◽  
pp. 1103-1114
Author(s):  
Pei‐Pei Zhang ◽  
Jing‐Jing Wang ◽  
Chong‐Yang Li ◽  
Hai‐sheng Hao ◽  
Hao‐Yu Wang ◽  
...  

2003 ◽  
Vol 121 (4) ◽  
pp. 786-793 ◽  
Author(s):  
Isabella Savini ◽  
Maria Valeria Catani ◽  
Antonello Rossi ◽  
Guglielmo Duranti ◽  
Marco Ranalli ◽  
...  

2006 ◽  
Vol 16 (3) ◽  
pp. 270-280 ◽  
Author(s):  
S.C. Bryer ◽  
A.H. Goldfarb

This study investigated if vitamin C supplementation before and after eccentric exercise could reduce muscle soreness (MS), oxidative stress, and muscle function. Eighteen healthy men randomly assigned to either a placebo (P) or vitamin C (VC) (3 g/d) treatment group took pills for 2 wk prior and 4 d after performing 70 eccentric elbow extensions with their non-dominant arm. MS increased in both groups with significantly reduced MS for the first 24 h with VC. Range of motion was reduced equally in both groups after the exercise (P ≥ 0.05). Muscle force declined equally and was unaffected by treatment. VC attenuated the creatine kinase (CK) increase at 48 h after exercise with similar CK after this time. Gluta-thione ratio (oxidized glutathione/total glutathione) was significantly increased at 4 and 24 h with P but VC prevented this change. These data suggest that vitamin C pretreatment can reduce MS, delay CK increase, and prevent blood glutathione oxidation with little influence on muscle function loss.


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