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Expression studies on transketolase-like-1 show that the protein is found in aggressive tumors. The detection of TKTL1 is furthermore correlated with poor patient prognosis and metastasis. Transketolase dependent reactions regulate the non-oxidative part of the pentose-phosphate-pathway (PPP) in glucose metabolism. This pathway generates NADPH and pentose phosphates. The latter are important for nucleic acid metabolism. Beside the ubiquitous transketolase (TKT) other transketolase-like proteins exist. Transketolase-like 1 (TKTL1) is a protein with a 38 amino acid deletion when compared to TKT. TKTL1 expression has been shown in tumors of different entities. Inhibition of TKTL1 expression by RNA interference results in reduced growth of tumor cells, while overexpression of TKTL1 promotes cell proliferation. Recent publications suggest an important role of TKTL1 in the metabolism of tumor cells. In colorectal tumors nuclear as well as cytoplasmic localization has been described.Reactivity on cultured cell lines: THP-1.
Strong TKTL1 protein expression has been correlated with a certain type of glucose metabolism (aerobic glycolysis; Warburg effect) and to cells which are affected by chronic complications of diabetic patients. In colon and urothelial carcinomas, expression at the protein level is correlated with invasiveness of tumors and poor patient survival.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: TK 2; Transketolase 2; transketolase-2; transketolase-like 1; Transketolase-like protein 1; Transketolase-related protein
基因别名: TKR; TKT2; TKTL1
UniProt ID: (Human) P51854
Entrez Gene ID: (Human) 8277