Colonoscopy is purportedly the best screening tool for CRC.
It 's a direct target of several oncoproteins ; the determination of fecal tumor pyruvate kinase type M2 (M2-PK) might be another promising tool for colorectal cancer (CRC) screening.
Proliferating and tumor cells express a certain isoenzyme of pyruvate kinase , called PK type M2.
Two overlapping clones , covering the entire coding sequence of human M2-type pyruvate kinase (PK) cDNA , were isolated and sequenced.
On the basis of these results we conclude that : 1) functional human GFAT protein was expressed , and 2) the cloned human cDNA encodes both the catalytic and regulatory domains of GFAT since the recombinant GFAT was sensitive to UDP-GlcNAc.