Tricarboxylic acid cycle dysfunction as a cause of human diseases and tumor formation

2006 ◽  
Vol 291 (6) ◽  
pp. C1114-C1120 ◽  
Author(s):  
Jean-Jacques Brière ◽  
Judith Favier ◽  
Anne-Paule Gimenez-Roqueplo ◽  
Pierre Rustin

A renewed interest in tricarboxylic acid cycle enzymopathies has resulted from the report that, in addition to devastating encephalopathies, these can result in various types of tumors in human. We first review the major features of the cycle that may underlie this surprising variety of clinical features. After discussing the rare cases of encephalopathies associated with specific deficiencies of some of the tricarboxylic acid cycle enzyme, we finally examine the mechanism possibly causing tumor/cancer formation in the cases of mutations affecting fumarase or succinate dehydrogenase genes.

2019 ◽  
Vol 128 (4) ◽  
pp. 444-451 ◽  
Author(s):  
Parith Wongkittichote ◽  
Gary Cunningham ◽  
Marshall L. Summar ◽  
Elena Pumbo ◽  
Patrick Forny ◽  
...  

2015 ◽  
Vol 2015 ◽  
pp. 1-14 ◽  
Author(s):  
Yeng F. Her ◽  
L. James Maher

It is counterintuitive that metabolic defects reducing ATP production can cause, rather than protect from, cancer. Yet this is precisely the case for familial paraganglioma, a form of neuroendocrine malignancy caused by loss of succinate dehydrogenase in the tricarboxylic acid cycle. Here we review biochemical, genetic, and epigenetic considerations in succinate dehydrogenase loss and present leading models and mysteries associated with this fascinating and important tumor.


2020 ◽  
Vol 130 ◽  
pp. 110515
Author(s):  
Miroslawa Cichorek ◽  
Anna Ronowska ◽  
Krystyna Dzierzbicka ◽  
Monika Gensicka-Kowalewska ◽  
Milena Deptula ◽  
...  

Author(s):  
Rebeca Patricia Omena-Garcia ◽  
Wagner L. Araújo ◽  
Yves Gibon ◽  
Alisdair R. Fernie ◽  
Adriano Nunes-Nesi

1973 ◽  
Vol 134 (2) ◽  
pp. 607-616 ◽  
Author(s):  
Nicole Bégin-Heick

Results are presented on the intracellular localization of some of the enzymes of gluconeogenesis, of the tricarboxylic acid cycle and of related enzymes in Astasia and Euglena grown with various substrates. The results indicate the particulate nature of at least part of the malate synthase of Astasia and of part of the malate synthase and isocitrate lyase in Euglena. However, the presence of glyoxysomes (microbodies) in Astasia and Euglena is still open to question, since it has not, so far, been possible to separate the enzymes of the glyoxylate cycle from succinate dehydrogenase in the particulate fraction.


2010 ◽  
Vol 11 (1) ◽  
pp. 5 ◽  
Author(s):  
Sergio Goncalves ◽  
Vincent Paupe ◽  
Emmanuel P Dassa ◽  
Jean-Jacques Brière ◽  
Judith Favier ◽  
...  

1975 ◽  
Vol 148 (3) ◽  
pp. 505-511 ◽  
Author(s):  
J Colby ◽  
L J Zatman

The isolation is described of pure cultures of three non-methane-utilizing methylotrophic bacteria which, together with the previously described Bacillus PM6, have a very limited range of growth substrates; these organisms are designated “restricted facultative’ methylotrophs. Two of these isolates, W6A and W3A1, grow only on glucose out of 50 non-C1 compounds tested, whereas the third isolate S2A1 and Bacillus PM6 grow on betaine, glucose, gluconate, alanine, glutamate, citrate and nutrient agar, but not on any of a further 56 non-C1 compounds. Crude sonic extracts of trimethylamine-grown and glucose-grown W6A and W3A1 isolates, and of trimethylamine-grown C2A1 (an obligate methylotroph) contain (i) no detectable 2-oxogltarate dehydrogenase activity, (ii) very low or zero specific activities of succinate dehydrogenase and succinyl-CoA synthetase and (iii) NAD+-dependent isocitrate dehydrogenase activity. Extracts of trimethylamine-grown PM6 and S2A1 methylotrophs have (i) very low 2-oxoglutarate dehydrogenase specific activities, (ii) comparatively high specific activities of succinate dehydrogenase, malate dehydrogenase and succinyl-CoA synthetase and (iii) NADP+-dependent isocitrate dehydrogenase activity but no NAD+-dependent isocitrate dehydrogenase activity. The activities of most of these enzymes are increased during growth on glucose, alanine, glutamate or citrate, but only very low 2-oxoglutarate dehydrogenase activities are present under all growth conditions. The restricted facultative methylotrophs grow on certain non-C1 compounds in the absence of 2-oxoglutarate dehydrogenase and, in some cases, of other enzymes of the tricarboxylic acid cycle; these lesions cannot therefore be the sole cause of obligate methylotrophy.


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