Recovery of 13CO2 during rest and exercise after [1-13C]acetate, [2-13C]acetate, and NaH13CO3 infusions

American Journal of Physiology - Endocrinology and Metabolism

Volumn 281, Issue 4 44-4, 2001, Pages

  Trimmer, J K ^a   Casazza, G A ^a   Horning, M A ^a   Brooks, G A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Carbon dioxide; Exertion; Free fatty acid oxidation; Glucose oxidation; Stable isotopes

Indexed keywords

ACETIC ACID C 13; ACETIC ACID DERIVATIVE; BICARBONATE; BICARBONATE C 13; CARBON 13; CARBON DIOXIDE; CARBON DIOXIDE C 13; GLUCOSE DERIVATIVE; UNCLASSIFIED DRUG; CARBON; DEUTERIUM; GLUCOSE;

ADULT; ARTICLE; BICYCLE ERGOMETRY; CARBON DIOXIDE MEASUREMENT; CITRIC ACID CYCLE; CONTROLLED STUDY; DIET RESTRICTION; EXERCISE; GLUCOSE OXIDATION; HUMAN; HUMAN EXPERIMENT; INFUSION; ISOTOPE LABELING; MALE; NORMAL HUMAN; OXYGEN CONSUMPTION; PRIORITY JOURNAL; REST; BREATHING; ENDURANCE; INTRAVENOUS DRUG ADMINISTRATION; METABOLISM; OXIDATION REDUCTION REACTION; PHYSIOLOGY; POSTPRANDIAL STATE;

ACETATES; ADULT; CARBON DIOXIDE; CARBON ISOTOPES; DEUTERIUM; EXERCISE; EXERTION; FASTING; GLUCOSE; HUMANS; INFUSIONS, INTRAVENOUS; MALE; OXIDATION-REDUCTION; OXYGEN CONSUMPTION; PHYSICAL ENDURANCE; POSTPRANDIAL PERIOD; RESPIRATION; REST; SODIUM BICARBONATE;

EID: 0034796237     PISSN: 01931849     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpendo.2001.281.4.e683     Document Type: Article

References (33)

1. Substrate turnover during prolonged exercise in man. Splanchnic and leg metabolism of glucose, free fatty acids, and amino acids
2. Tracer priming the bicarbonate pool
3. Effect of endurance training on glucose kinetics during exercise
4. Balance of carbohydrate and lipid utilization during exercise: The "crossover" concept
5. Chain shortening on palmitic acid in human subjects
6. Determination of Krebs cycle metabolic carbon exchange in vivo and its use to estimate the individual contributions of gluconeogenesis and glycogenolysis to overall glucose output in man
7. 14C-labeled substances
8. The transport of radioactive carbon dioxide in the blood stream of the dog after administration of radioactive bicarbonate
9. Rate of elimination of labeled carbon dioxide from the body
10. Training-induced alterations of glucose flux in men
11. How valid are isotopic measurements of fatty acid oxidation?
12. 14C atoms from labeled bicarbonate or acetate
13. 3 infused by gut and vein: Effect of feeding
14. Smoking increases conversion of lactate to glucose during submaximal exercise
15. 13C]bicarbonate kinetics in humans: Intra- vs. interindividual variations
16. Rapid determination of whole body bicarbonate kinetics by use of a digital infusion
17. Oxidation of plasma FFA in lean and obese humans
18. Importance of sites of tracer administration and sampling in turnover studies
19. The fate of isotopic carbon in kidney cortex synthesizing glucose from lactate
20. 2 in human bicarbonate studies: A critical review with original data
21. Regional acetate kinetics and oxidation in human volunteers
22. 13C] acetate
23. 13C]acetate
24. Effect of physical exercise on glycogen turnover and net substrate utilization according to the nutritional state
25. 13C]palmitate oxidation rates in humans
26. 14C]acetate and its use in assessing hepatic Krebs cycle activity and gluconeogenesis
27. A new correction factor for use in tracer estimations of plasma fatty acid oxidation
28. Pathway of free fatty acid oxidation in human subjects. Implications for tracer studies
29. 14C glucose in the dog
30. Incorporation of acetate carbon into glucose by liver slices from normal and alloxan diabetic rats
31. Autoregulation of glucose production in men with a glycerol load during rest and exercise
32. Conversion of fatty acids to carbohydrate: Applications of isotopes to this problem and the role of the Krebs cycle as a synthetic pathway
33. 2 during the infusion of C-1- vs C-2-labeled acetate: Implications for tracer studies of substrate oxidation