ArticleCell death & disease2024
cNEK6 induces gemcitabine resistance by promoting glycolysis in pancreatic ductal adenocarcinoma via the SNRPA/PPA2c/mTORC1 axis.
Article in Cell death & disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- The regulatory roles of non-coding RNAs in aerobic glycolysis and therapeutic potential in pancreatic ductal adenocarcinoma.Annals of medicine · 2026Review
- Biomimetic nanomodulator reprograms glycolysis-driven immunosuppressive microenvironment to potentiate photothermal immunotherapy in cold tumors.Materials today. Bio · 2026Article
- SLPI/FBW7/c-Myc Axis Reduces Gemcitabine Sensitivity in PDAC by Enhancing Glycolysis and Impairing NK Cell Immunity.Cancer science · 2026Article
- BCAT1 inhibits glutamine-dependent Akt/mTOR signaling and nucleotide synthesis by initiating BTRC-mediated degradation of SLC3A2 in pancreatic adenocarcinoma.Cancer & metabolism · 2026Article
- Harnessing Ribonucleoprotein Granule Biology for Cancer Therapy: The Central Role of Protein Modifications.Research (Washington, D.C.) · 2026Review
- Three-dimensional-bioprinted stiff matrix triggers PDAC radioresistance through histone H3 lysine 18 lactylation (H3K18la) potentiates RAD51 activation.Regenerative biomaterials · 2026Article
- Circular RNAs: Key Regulators of Tumor Metabolic Reprogramming and Clinical Translation.Oncology research · 2026Review
- LncRNA CASC19 promotes the growth and glycolysis of colorectal cancer cells and tumor metastasis in mice.BMC cancer · 2025Article
- Role of noncoding RNA and protein interaction in pancreatic cancer.Chinese medical journal · 2025Review
- Exploring the pathogenesis of MAFLD from an immunological perspective: from the perspective of the cGAS/STING/NF-κB signaling pathway.Frontiers in immunology · 2025Review
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15 authors.
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Abstract
Resistance to gemcitabine in pancreatic ductal adenocarcinoma (PDAC) leads to ineffective chemotherapy and, consequently, delayed treatment, thereby contributing to poor prognosis. Glycolysis is an important intrinsic reason for gemcitabine resistance as it competitively inhibits gemcitabine activity by promoting deoxycytidine triphosphate accumulation in PDAC. However, biomarkers are lacking to determine which patients can benefit significantly from glycolysis inhibition under the treatment of gemcitabine activity, and a comprehensive understanding of the molecular mechanisms that promote glycolysis in PDAC will contribute to the development of a strategy to sensitize gemcitabine chemotherapy. In this study, we aimed to identify a biomarker that can robustly indicate the intrinsic resistance of PDAC to gemcitabine and guide chemotherapy sensitization strategies. After establishing gemcitabine-resistant cell lines in our laboratory and collecting pancreatic cancer and adjacent normal tissues from gemcitabine-treated patients, we observed that circRNA hsa_circ_0008383 (namely cNEK6) was highly expressed in the peripheral blood and tumor tissues of patients and xenografts with gemcitabine-resistant PDAC. cNEK6 enhanced resistance to gemcitabine by promoting glycolysis in PDAC. Specifically, cNEK6 prevented K48 ubiquitination of small ribonucleoprotein peptide A from the BTRC, a ubiquitin E3 ligase; thus, the accumulated SNRPA stopped PP2Ac translation by binding to its G-quadruplexes in 5' UTR of mRNA. mTORC1 pathway was aberrantly phosphorylated and activated owing to the absence of PP2Ac. The expression level of cNEK6 in the peripheral blood and tumor tissues correlated significantly and positively with the activation of the mTORC1 pathway and degree of glycolysis. Hence, the therapeutic effect of gemcitabine is limited in patients with high cNEK6 levels, and in combination with the mTORC1 inhibitor, rapamycin, can enhance sensitivity to gemcitabine chemotherapy.
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