(2017) The inhibitory impacts of Lactobacillus rhamnosus GG-derived extracellular vesicles on the growth of hepatic cancer cells. Microbial Pathogenesis. pp. 1-6. ISSN 0882-4010
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Abstract
Bacterial extracellular vesicles (EVs) have come forth into notice as possible important agent to mediate host-pathogen interactions. In this scientific research, the authors have tried to find out the effect of EVs derived from Lactobacillus rhamnosus GG (LDEVs) on the apoptosis induction in HepG2 cell line. The EVs were purified from the conditioned medium of Lactobacillus rhamnosus GG using ultrafiltration and confirmed by transmission electron microscopy (TEM). The HepG2 cells were treated with different concentrations of purified LDEVs and the cytotoxicity and their effects on the expression of bcl-2 and box genes were assessed by the MIT assay and semi-quantitative RT-PCR, respectively. The MIT assay showed that only 100 mu g/m1 of LDEVs had a significant cytotoxic effect on cancer cells (p < 0.05). The apoptotic index (bax/bcl2 expression ratio) was significantly increased after treating with 50 and 100 mu g/ml LDEVs (p < 0.05). Increased bax/bcl-2 ratio was led to cancer cell death. (C) 2017 Elsevier Ltd. All rights reserved.
| Item Type: | Article |
|---|---|
| Keywords: | Lactobacillus rhamnosus GG Extracellular vesicles Hepatic cancer Apoptosis Probiotic gram-positive bacteria membrane-vesicles apoptosis death Immunology Microbiology |
| Divisions: | |
| Page Range: | pp. 1-6 |
| Journal or Publication Title: | Microbial Pathogenesis |
| Journal Index: | ISI |
| Volume: | 110 |
| Identification Number: | https://doi.org/10.1016/j.micpath.2017.06.016 |
| ISSN: | 0882-4010 |
| Depositing User: | مهندس مهدی شریفی |
| URI: | http://eprints.bmsu.ac.ir/id/eprint/4270 |
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