ArticleJCI insight2023
Acid-base homeostasis orchestrated by NHE1 defines the pancreatic stellate cell phenotype in pancreatic cancer.
Article in JCI insight, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Discovery of vasodilatory effects of NaActa pharmacologica Sinica · 2026Article
- TRPV6-Mediated CaCancers · 2026Review
- pH-Dependent Microenvironmental Ionic Signaling in Pancreatic Ductal Adenocarcinoma.Acta physiologica (Oxford, England) · 2026Review
- Article
- Harnessing the power of cancer-associated fibroblasts to revolutionize pancreatic cancer treatment.Cancer biology & medicine · 2025Review
- Piezo1-induced durotaxis of pancreatic stellate cells depends on TRPC1 and TRPV4 channels.Journal of cell science · 2025Article
- KPflugers Archiv : European journal of physiology · 2025Article
- Piezo1-induced durotaxis of pancreatic stellate cells depends on TRPC1 and TRPV4 channels.bioRxiv : the preprint server for biology · 2024Article
Corrections and comments
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Authors and funding
13 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pancreatic ductal adenocarcinoma (PDAC) progresses in an organ with a unique pH landscape, where the stroma acidifies after each meal. We hypothesized that disrupting this pH landscape during PDAC progression triggers pancreatic stellate cells (PSCs) and cancer-associated fibroblasts (CAFs) to induce PDAC fibrosis. We revealed that alkaline environmental pH was sufficient to induce PSC differentiation to a myofibroblastic phenotype. We then mechanistically dissected this finding, focusing on the involvement of the Na+/H+ exchanger NHE1. Perturbing cellular pH homeostasis by inhibiting NHE1 with cariporide partially altered the myofibroblastic PSC phenotype. To show the relevance of this finding in vivo, we targeted NHE1 in murine PDAC (KPfC). Indeed, tumor fibrosis decreased when mice received the NHE1-inhibitor cariporide in addition to gemcitabine treatment. Moreover, the tumor immune infiltrate shifted from granulocyte rich to more lymphocytic. Taken together, our study provides mechanistic evidence on how the pancreatic pH landscape shapes pancreatic cancer through tuning PSC differentiation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.