Attenuation of NAD[P]H:quinone oxidoreductase 1 aggravates prostate cancer and tumor cell plasticity through enhanced TGFβ signaling
Year: 2020
Type: article
Abstract: NAD[P]H:quinone oxidoreductase 1 (NQO1) regulates cell fate decisions in response to stress. Oxidative stress supports cancer maintenance and progression. Previously we showed that knockdown of NQO1 (NQO1 low ) prostate cancer cells upregulate pro-inflammatory cytokines and survival under hormone-deprived conditions. Here, we tested the ability of NQO1 low cells to form tumors. We found NQO1 low cells form aggressive tumors compared with NQO1 high cells. Biopsy specimens and circulating tumor cells showed biochemical recurrent prostate cancer was associated with low NQO1. NQO1 silencing was sufficient to induce SMAD-mediated TGFβ signaling and mesenchymal markers. TGFβ treatment decreased NQO1 levels and induced molecular changes similar to NQO1 knockdown cells. Functionally, NQO1 depletion increased migration and sensitivity to oxidative stress. Collectively, this work reveals a possible new gatekeeper role for NQO1 in counteracting cellular plasticity in prostate cancer cells. Further, combining NQO1 with TGFβ signaling molecules may serve as a better signature to predict biochemical recurrence.
Source: Communications Biology
Language: English
Subfield: Pulmonary and Respiratory Medicine
Field: Medicine
Domain: Health Sciences
Open Access status: gold
Estimated APC paid: $3,290
Funders: U.S. Department of Health and Human Services, Cancer Prevention and Research Institute of Texas, National Institutes of Health, University of Texas Health Science Center at San Antonio, National Cancer Institute, National Institute of General Medical Sciences, National Center for Complementary and Integrative Health
Awards: Systems Analysis of Epigenomic Architecture in Cancer Progression, San Antonio Biomedical Education and Research, Oxidative stress in prostate cancer: Efficacy of antioxidants in Nkx3.1; Pten mod, G3446954139, The Single-Cell Biopsy and Characterization Core (SBCC) at The University of Texas Health Science at San Antonio, Interrogating Epigenetic Changes in Cancer Genomes, G6078305876, Oxidative stress and programmed death pathways: Cross talk in pancreatic cancer, UTHSCSA Cancer Research Training Program, G7226629610, G8006546248
OpenAlex ID: W2997190882
