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LAMPRECHT W, MICHAL G, NAEGLE S. [The metabolism of the hypoxic and anoxic myocardium]. ACTA ACUST UNITED AC 1998; 39:358-64. [PMID: 13758583 DOI: 10.1007/bf01492252] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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FOX AC, WIKLER NS, REED GE. HIGH ENERGY PHOSPHATE COMPOUNDS IN THE MYOCARDIUM DURING EXPERIMENTAL CONGESTIVE HEART FAILURE. PURINE AND PYRIMIDINE NUCLEOTIDES, CREATINE, AND CREATINE PHOSPHATE IN NORMAL AND IN FAILING HEARTS. J Clin Invest 1996; 44:202-18. [PMID: 14260162 PMCID: PMC292469 DOI: 10.1172/jci105135] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Abstract
Experimental conditions have been established for the study of glucose oxidation and high energy phosphate formation in cell-free rat heart homogenates. On addition of AMP to an otherwise complete system, an immediate formation of ADP and ATP occurs. Glucose oxidation is rapid, and high levels of ADP and ATP are maintained for long periods of time. In the absence of added AMP, rapid glucose oxidation also occurs despite low levels of ATP. It can be concluded that the high concentration of ATP, which the heart tissue is capable of accumulating, is far in excess of that necessary for efficient glucose oxidation.
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