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Title: Molecular mechanisms of quercitrin-induced apoptosis in non-small cell lung cancer
Authors: Çinçin, Zeynep Birsu
Ünlü, Miray
Kıran, Bayram
Bireller, Elif Sinem
Baran, Yusuf
Çakmakoğlu, Bedia
Keywords: Apoptosis
Non-small cell lung cancer
Cancer cells
Publisher: Elsevier Ltd.
Source: Çinçin, Z.B., Ünlü, M., Kıran, B., Bireller, E.S., Baran, Y., and Çakmakoğlu, B. (2014). Molecular mechanisms of quercitrin-induced apoptosis in non-small cell lung cancer. Archives of Medical Research, 45(6), 445-454. doi:10.1016/j.arcmed.2014.08.002
Abstract: Background and Aims: Quercitrin (QR; quercetin-3-O-rhamnoside) has been used previously as an antibacterial agent and has been shown to inhibit the oxidation of low-density lipoproteins and prevent an allergic reaction. Furthermore, it was demonstrated that quercitrin exerts protective effects against H2O2-induced dysfunction in lung fibroblast cells. However, the mechanisms of quercitrin effects on cancer cell proliferation and apoptosis is not well understood. The aim of this study is to investigate the cytotoxic and apoptotic effects of quercitrin and the molecular mechanisms of quercitrin-induced apoptosis in non-small cell lung cancer (NSCLC) cell lines. Methods: Time- and dose-dependent antiproliferative and apoptotic effects of quercitrin determined by WST-1cell proliferation assay, lactate dehydrogenase (LDH) cytotoxicity assay, determination of nucleosome enrichment factor, changes in caspase-3 activity, loss of mitochondrial membrane potential (MMP) and also the localization of phosphatidylserine in the plasma membrane. Changes in whole genome gene expression levels were examined by Illumina Human HT-12v4 beadchip microarrays. Results: There were significant increases in caspase-3 activity, loss of MMP, and increases in apoptotic cell population in response to quercitrin in A549 and NCI-H358 NSCLC cells in a time- and dose-dependent manner. Conclusion: Our results demonstrated that genes involved in leukocyte transendothelial migration, cell adhesion and phosphatidylinositol signaling system pathways were the most statistically significant pathways in NCI-H358 and A549cells. These results revealed that quercitrin has antiproliferative and apoptotic effects on lung cancer cells by modulating the immune response. After confirming its anticarcinogenic effects invivo, quercitrin could be a novel and strong anticancer agent against NSCLC.
ISSN: 0188-4409
Appears in Collections:Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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