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https://www.selleckchem.com/products/lmk-235.html The protective effects of epigallocatechin gallate (EGCG) on interleukin-1β (IL-1β)-induced apoptosis were investigated in murine MIN pancreatic β-cells. The role of uncoupling protein-3 (UCP ) signaling in this process was also explored. After treatment with IL-1β and EGCG, cells were collected and analyzed. Cell viability was measured using the CCK assay and the function of β-cells was evaluated by analyzing insulin secretion. Detection of mitochondrial function in cells was performed by measuring mitochondrial membrane potential, the concentration of ATP and activity of ROS. Apoptosis was analyzed by Hochest33258 staining and flow cytometry. Expression levels of UCP were interrogated using immunohistochemistry, RT-PCR and Western blotting. Compared with the control group, IL-1β treatment (20nM) for 24 h significantly decreased cell viability and insulin secretion, damaged mitochondrial function and increased ROS activity. Results also showed increased apoptosis and a decrease in UCP expression levels (p<0.01). However, treatment with low (1mM) or high (5mM) concentrations of EGCG significantly decreased IL-1β-induced apoptosis (p<0.01), restored mitochondrial function and subsequently increased UCP levels in IL-1β-induced β-cells (p<0.01). These results suggest that EGCG protects against IL-1β-induced mitochondrial injury and apoptosis in β-cells through the up-regulation of UCP . These results suggest that EGCG protects against IL-1β-induced mitochondrial injury and apoptosis in β-cells through the up-regulation of UCP3.Ovarian cancer represents the principal leading cause of women dying in the world. The first standard of care involved surgical resection followed by chemotherapy with taxane and platinum, mainly connected with cytotoxic chemotherapies causing diverse severe side effects. Unfortunately, recurrence represents a significant problem, and finally, patients develop resistance to cytotoxic chemotherapy.

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