Proteomics

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PRDX6 as a promoter of cancer malignancy in hepatocarcinoma cell lines targeting GSK3B

ABSTRACT: This project describes the mechanism by wich PRDX6 affects migration and invasiveness in hepatocarcinoma cells. SNU475 (mesenchymal) hepatocarcinoma cell line knockout for PRDX6 showed a marked increase in ROS and lipid peroxidation, mytochondrial dysfunction, metabolic reprogramming, altered cytoskeleton and activation of upstream regulators MYC, ATF4, HNF4A and HNF4G and inhibition of NRF2 and TP53. All these changes point to a role of PRDX6 in tumor development pointing to it as a candidate for antitumoral therapies.

INSTRUMENT(S): Orbitrap Fusion

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell, Cell Culture

DISEASE(S): Hepatocellular Carcinoma

SUBMITTER: Raquel Requejo-Aguilar  

LAB HEAD: Raquel Requejo Aguilar

PROVIDER: PXD039491 | Pride | 2023-07-20

REPOSITORIES: Pride

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TonoBarcena_sol419-53-21-KO1_23072021.mzML Mzml
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TonoBarcena_sol419-53-21-KO2_23072021.mzML Mzml
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Publications

Loss of PRDX6 Aborts Proliferative and Migratory Signaling in Hepatocarcinoma Cell Lines.

Lagal Daniel J DJ   López-Grueso María J MJ   Pedrajas José R JR   Leto Thomas L TL   Bárcena J Antonio JA   Requejo-Aguilar Raquel R   Padilla C Alicia CA  

Antioxidants (Basel, Switzerland) 20230525 6

Peroxiredoxin 6 (PRDX6), the only mammalian 1-Cys member of the peroxiredoxin family, has peroxidase, phospholipase A2 (PLA2), and lysophosphatidylcholine (LPC) acyltransferase (LPCAT) activities. It has been associated with tumor progression and cancer metastasis, but the mechanisms involved are not clear. We constructed an SNU475 hepatocarcinoma cell line knockout for PRDX6 to study the processes of migration and invasiveness in these mesenchymal cells. They showed lipid peroxidation but inhib  ...[more]

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