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Scientific Reports

Scientific Reports

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Morphine promotes non-small cell lung cancer progression by downregulating E-cadherin via the PI3K/AKT/mTOR pathway

Published:10 September 2024 DOI: 10.1038/s41598-024-72198-1 PMID: 39256509
Fulei Gu,?Yuxuan Zhou,?Lili Tian,?Jinyan Chen,?Can Zhang,?Zhangxiang Huang,?Weifeng Yu,?Kangjie Xie

Abstract

Morphine has been suggested to affect cancer cell dynamics and decrease survival rates in lung cancer patients at specific doses, but the precise mechanisms poorly understood. In this study, we aimed to investigate the molecular mechanisms by which morphine modulates the malignant characteristics of non-small cell lung cancer. Cell proliferation was assessed via the Cell Counting Kit-8 assay, and cell migration and invasion were examined via wound healing and Transwell assays. We employed immunofluorescence staining to evaluate E-cadherin expression in A549 and Lewis lung cancer (LLC) cell lines and immunohistochemistry to evaluate E-cadherin expression in nude mice tumours. Additionally, the in vivo effects of morphine on lung cancer progression were explored in a xenograft tumour experiments, in which naloxone was used as a morphine antagonist. Western blot analysis was performed to detect E-cadherin, phosphorylated mTOR (p-mTOR), mTOR, phosphorylated AKT (p-AKT), AKT, phosphorylated PI3K (p-PI3K), and PI3K protein levels in A549 and LLC cells as well as in tumour samples. Morphine (10?μM) significantly increased the proliferation of A549 and LLC cells in vitro (p?

Substances (4)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Naltrexone methylbromide 73232-52-7 C21H26BrNO4 98 suppliers $32.00-$1871.10
Naltrexone methylbromide 73232-52-7 C21H26BrNO4 98 suppliers $32.00-$1871.10
Naltrexone methylbromide 73232-52-7 C21H26BrNO4 98 suppliers $32.00-$1871.10
Naltrexone methylbromide 73232-52-7 C21H26BrNO4 98 suppliers $32.00-$1871.10

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