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lüll Tpl-2/Cot and COX-2 in breast cancer Krcova Z; Ehrmann J; Krejci V; Eliopoulos A; Kolar ZBiomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2008[Jun]; 152 (1): 21-5BACKGROUND: Breast cancer is the most common cancer in women worldwide and although mortality (129,000/year) stagnates, incidence (370,000/year) is increasing. In addition to histological type, grade, stage, hormonal and c-erbB2 status there is therefore a strong need for new and reliable prognostic and predictive factors. METHODS AND RESULTS: This minireview focuses on two potential prognostic and predictive candidates Tpl2/Cot and COX-2 and summarise information about them. CONCLUSION: Tumor progression locus 2 (Tpl2/Cot) is a serine/threonine protein kinase belonging to the family of MAP3 kinases. Activated Tpl2/Cot leads to induction of ERK1/2, JNK, NF-kappaB and p38MAPK pathways. The first study on Tpl2/Cot mRNA in breast cancer showed its increase in 40 % of cases of breast cancer but no available data exist on protein expression. Cyclo-oxygenase 2 (COX-2) is inducible by growth and inflammatory factors and contributes to the development of various tumours. Expression of COX-2 in breast cancer varied from 5-100 % in reviewed papers with significantly higher values in poorly differentiated tumours. Tpl2/Cot and COX-2 have their importance in different intracellular pathways and some of these are involved in cancer development. Briefly, the results from recent studies suggest that Tpl2/Cot and COX-2 could be prognostic factors in breast cancer.|Animals[MESH]|Breast Neoplasms/*physiopathology[MESH]|Cyclooxygenase 2/*physiology[MESH]|Female[MESH]|Humans[MESH]|MAP Kinase Kinase Kinases/*physiology[MESH]|Proto-Oncogene Proteins/*physiology[MESH] |