The redox state of coenzyme Q10 in mitochondrial respiratory chain and oxygen-derived free radical generation in cardiac cells

1997 ◽  
Vol 18 ◽  
pp. 41-50 ◽  
Author(s):  
Enno K. Ruuge ◽  
Konstantin P. Kashkarov ◽  
Vladimir L. Lakomkin ◽  
Alexander A. Timoshin ◽  
Elena V. Vasil'eva
Keyword(s):  
Free Radical ◽  
Respiratory Chain ◽  
Coenzyme Q10 ◽  
Redox State ◽  
Mitochondrial Respiratory Chain ◽  
Cardiac Cells ◽  
Free Radical Generation ◽  
Radical Generation ◽  
Mitochondrial Respiratory

Coenzyme Q: potentially useful index of bioenergetic and oxidative status of spermatozoa

1995 ◽  
Vol 41 (2) ◽  
pp. 217-219 ◽  
Author(s):  
A G Angelitti ◽  
L Colacicco ◽  
C Callà ◽  
M Arizzi ◽  
S Lippa
Keyword(s):  
Respiratory Chain ◽  
Coenzyme Q10 ◽  
Coenzyme Q ◽  
Mitochondrial Respiratory Chain ◽  
Oxidative Status ◽  
Atp Production ◽  
The Difference ◽  
Autoregulatory Mechanism ◽  
Infertile Patients ◽  
Mitochondrial Respiratory

Abstract The concentration of coenzyme Q10 (CoQ10), a key intermediate of the mitochondrial respiratory chain, was determined in spermatozoa of 13 fertile subjects, 8 potentially fertile patients, and 12 infertile patients. CoQ10 concentrations were significantly higher (P < 0.001) in infertile patients than in fertile and potentially fertile subjects. The difference between potentially fertile and fertile subjects was also significant (P < 0.001). We propose that a decrease in consumption of CoQ10 in both infertile and potentially fertile populations is due to an autoregulatory mechanism of ATP production.

scholarly journals Vitamin K2 cannot substitute Coenzyme Q10 as electron carrier in the mitochondrial respiratory chain of mammalian cells

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Cristina Cerqua ◽  
Alberto Casarin ◽  
Fabien Pierrel ◽  
Luis Vazquez Fonseca ◽  
Giampiero Viola ◽  
...  
Keyword(s):  
Respiratory Chain ◽  
Coenzyme Q10 ◽  
Mammalian Cells ◽  
Mitochondrial Respiratory Chain ◽  
Vitamin K2 ◽  
Electron Carrier ◽  
Mitochondrial Respiratory

scholarly journals Coenzyme Q10 defects may be associated with a deficiency of Q10-independent mitochondrial respiratory chain complexes

2016 ◽  
Vol 49 (1) ◽  
Author(s):  
Konstantina Fragaki ◽  
Annabelle Chaussenot ◽  
Jean-François Benoist ◽  
Samira Ait-El-Mkadem ◽  
Sylvie Bannwarth ◽  
...  
Keyword(s):  
Respiratory Chain ◽  
Coenzyme Q10 ◽  
Mitochondrial Respiratory Chain ◽  
Respiratory Chain Complexes ◽  
Chain Complexes ◽  
Mitochondrial Respiratory
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