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Muscle Phosphofructokinase Deficiency

Archives of Neurology, 1967
The clinical hallmarks of muscle phosphorylase deficiency (McArdle's disease) are muscle cramps and exercise intolerance, contracture following ischemic work, and episodic myoglobinuria. We have encountered a patient with all these symptoms who proved to lack muscle phosphofructokinase (PFK) rather than phosphorylase.
R B, Layzer, L P, Rowland, H, Ranney
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Muscle Phosphofructokinase Deficiency

Archives of Neurology, 1973
The sixth case, to our knowledge, of phosphofructokinase deficiency is reported in a 20-year-old, otherwise healthy, man. The clinical presentation consisted of exercise intolerance, muscle pain, and elevated blood levels of muscle enzymes. The abnormality in the muscle was confirmed with electromyography, ischemic exercise testing, light microscopy ...
W E, Tobin   +3 more
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Cold labile phosphofructokinase

Biochemical and Biophysical Research Communications, 1971
Abstract Phosphofructokinase from chicken liver undergoes reversible inactivation at low temperature. The rate of the inactivation increases with decrease in temperature. The cold inactivation is stimulated by monovalent anions or ATP, but prevented by polyvalent anions or fructose 1,6-di-P. Results of sucrose density gradient centrifugation indicate
N, Kono, K, Uyeda
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PHOSPHOFRUCTOKINASE: STRUCTURE AND CONTROL

Biochemical Society Transactions, 1981
Phosphofructokinase from Bacillus stearothermophilus shows cooperative kinetics with respect to the substrate fructose-6-phosphate (F6P), allosteric activation by ADP, and inhibition by phosphoenolpyruvate. The crystal structure of the active conformation of the enzyme has been solved to 2.4 A resolution, and three ...
P R, Evans, G W, Farrants, P J, Hudson
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Lithium inhibition of phosphofructokinase

Journal of Inorganic Biochemistry, 1981
The mode of action of lithium in prophylaxis of recurrent affective disorder is unknown although it has been suggested that lithium might compete with magnesium in magnesium dependent processes. We have previously shown pyruvate kinase to be inhibited by lithium and the present study demonstrates a small inhibition by lithium of phosphofructokinase ...
P K, Kajda, N J, Birch
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PFKP: More than phosphofructokinase

2023
Phosphofructokinase (PFK) is one of the key enzymes that functions in glycolysis. Studies show that PFKP regulates cell proliferation, apoptosis, autophagy, cell migration/metastasis, and stemness through glycolysis and glycolysis-independent functions.
Haizhen, Wang   +3 more
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