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Leukotriene B4 receptor-2 contributes to chemoresistance of SK-OV-3 ovarian cancer cells through activation of signal transducer and activator of transcription-3-linked cascade
In this study, we found that the low-affinity leukotriene B4 receptor-2 (BLT2) and its ligand leukotriene B4 were highly up-regulated in cisplatin-resistant SK-OV-3 ovarian cancer cells and play critical roles in mediating the chemoresistance through the activation of signal transducer and activator of transcription-3 (STAT-3) and the subsequent up-regulation of interleukin-6 (IL-6). BLT2 depletion with siRNA clearly abolished the chemoresistance to cisplatin in SK-OV-3 ovarian cancer cells and further increased cell sensitivity to cisplatin chemotherapy by down-regulating the ‘STAT-3-IL-6’ cascade. Enlarged tumor form...
Source: Biochimica et Biophysica Acta (BBA) Molecular Cell Research - November 22, 2015 Category: Molecular Biology Source Type: research