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Chemically Defined Lactobacillus plantarum Cell-Free Metabolites Demonstrate Cytoprotection in HepG2 Cells through Nrf2-Dependent Mechanism

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Chemically Defined Lactobacillus plantarum Cell-Free Metabolites Demonstrate Cytoprotection in HepG2 Cells through Nrf2-Dependent Mechanism
 
Creator Rezgui, Raja
Walia, Ruhi
Sharma, Jyoti
Sidhu, Dwinder
Alshagadali, Khalid
Chaudhuri, Saumya Ray
Saeed, Amir
Dey, Priyankar
 
Subject QR Microbiology
 
Description Centering around the concept that metabolites from the gut commensals can exert metabolic health benefits along the gut-liver axis, we tested whether the cell-free global metabolome of probiotic bacteria can exert hepatoprotective benefits against H2O2-induced oxidative stress. Cell-free global metabolites of Lactobacillus plantarum (LPM) were isolated and untargeted metabolomics was performed. The free radical scavenging potentials of LPM were measured. The cytoprotective effects of LPM were tested on HepG2 cells. A total of 66 diverse metabolites were identified in LPM, among which saturated fatty acids, amino acids and dicarboxylic acids were highly enriched. LPM attenuated cell damage, lipid peroxidation and the levels of intracellular cytoprotective enzymes in H2O2-treated cells. LPM also attenuated H2O2-induced increased expressions of TNF-α and IL-6. However, the cytoprotective effects of LPM were diminished in cells that were pretreated with a pharmacological inhibitor of Nrf2. Our data collectively indicate that LPM can significantly attenuate oxidative damage to HepG2 cells. However, the cytoprotective effects of LPM likely depend on an Nrf2-dependent mechanism.
 
Publisher MDPI
 
Date 2023-04-14
 
Type Article
PeerReviewed
 
Relation https://doi.org/10.3390/antiox12040930
http://crdd.osdd.net/open/3102/
 
Identifier Rezgui, Raja and Walia, Ruhi and Sharma, Jyoti and Sidhu, Dwinder and Alshagadali, Khalid and Chaudhuri, Saumya Ray and Saeed, Amir and Dey, Priyankar (2023) Chemically Defined Lactobacillus plantarum Cell-Free Metabolites Demonstrate Cytoprotection in HepG2 Cells through Nrf2-Dependent Mechanism. Antioxidants, 12 (4). ISSN 1557-7716