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Influence of Morphine on Tlr4/ Nf-Kb Signaling Pathway of Mcf-7 Cells Publisher Pubmed

Summary: Scientists found morphine can both reduce and increase breast cancer cell migration, depending on dose, showing complex effects. #CancerResearch #Pharmacology

Haghjooyjavanmard S1 ; Ghasemi A1 ; Laher I2 ; Zarrin B1 ; Dana N1 ; Vaseghi G3
Authors

Source: Bratislava Medical Journal Published:2018


Abstract

Morphine affects the risk of metastasis in cancer. The TLR4 gene promotes migration in adenocarcinoma cells. We investigated the effect of morphine on TLR4, MyD88 and NF-κ B-expression and migration. Migration of estrogen receptor-positive MCF7 breast cancer cells was studied after 24 and 48 hours incubation with morphine, with boyden chamber method. Morphine effect on TLR4, MyD88 and NF-κB mRNA expression was determined by quantitative Real-Time polymerase chain reaction. Migration was reduced at the doses of 0.5 and 5 μM (p < 0.05). However, TLR4, MyD88 and NF-κBmRNA expression was decreased at the doses of 0.5, 5 and 500 μM. Morphine at the dose of 50 μM increased the expression of mentioned genes. MCF-7 cell line after 48 hours incubation with the dose of 0.5 μM morphine decreased the migration and at the dose of 0.5 μM down-regulated the mRNA expression of TLR4, MyD88 and NF-κB, however, the higher doses increased the expression of TLR4, MyD88 and NF-κB. Morphine affects TLR4expression in breast cancer cell, which depends on time and concentration. © AEPress s.r.o.
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