Purine compounds in mitochondria: a quantitative evaluation
Ziegler, M.; Dubiel, W.; Pimenov, A.M.; Tikhonov YuV; Toguzov, R.T.; Henke, W.; Gerber, G.
Biomedica Biochimica Acta 48(1): 57-61
1989
ISSN/ISBN: 0232-766X PMID: 2775250 Document Number: 333903
Applying a recently developed reverse-phase ion-pair HPLC technique we determined purine compounds in acid extracts of mitochondria isolated from rat and mouse liver, rat renal cortex, and hepatoma. Intramitochondrial purine nucleosides and bases were evaluated quantitatively for the first time. All mitochondria examined contain significant amounts of adenosine, guanosine, inosine, guanine, and hypoxanthine. Moreover, IMP was identified in all extracts. Adenine was detected in traces only. These results are in accordance with the concept of mitochondrial metabolism of purine compounds.