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The kinetic and structural properties of purified, homogeneous pyruvate kinase type M2 from chicken lung and tumors, including that from Rous sarcoma virus-transformed chicken fibroblasts, have been compared. The "tumor enzyme" is characterized by a low affinity for phosphoenolpyruvate, pronounced serine activation, and strong alanine inhibition as compared(More)
AIMS Several biomarkers within the iron metabolism pathway have been related to the occurrence of diabetes mellitus, but underlying mechanisms are unknown. The aim of our study was to investigate the differential relationships of iron metabolism with a broad range of diabetes markers in young and healthy adults. DESIGN 2160 participants aged 25 to 41years(More)
Extracellular AMP inhibits cell proliferation of MCF-7 and MDA-MB-453 whereas cell proliferation of the highly malignant Novikoff cell line is not affected. In medium with low glucose supply MDA-MB-453 cells grow well, Novikoff cells are slightly inhibited and MCF-7 cells are totally unable to grow. Isoelectric focusing revealed that a glyclytic enzyme(More)
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