ArticleAmerican journal of clinical pathology2024
Keratin 17 is a prognostic and predictive biomarker in pancreatic ductal adenocarcinoma.
Article in American journal of clinical pathology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 7 citations in OpenAlex.
- Mitochondrial-Localized Keratin 17 Promotes Chemoresistance in Basal-like Pancreatic Cancer.Cancer research · 2026Article
- Spatial Analysis of Intraductal Papillary Mucinous Neoplasms Defines a Paradoxical Keratin 17-Positive, Low-Grade Epithelial Population Harboring Malignant Features.Cellular and molecular gastroenterology and hepatology · 2026Article
- Structure and function of the keratin 17 tail domain associated with keratin intermediate filament organization.European journal of cell biology · 2025Article
- Advancing Precision Medicine in PDAC: An Ethical Scoping Review and Call to Action for IHC Implementation.Cancers · 2025Review
- Multiplexed glycan immunofluorescence identification of pancreatic cancer cell subpopulations in both tumor and blood samples.Science advances · 2025Article
- HMGA2 Expression Predicts Subtype, Survival, and Treatment Outcome in Pancreatic Ductal Adenocarcinoma.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Article
Corrections and comments
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Authors and funding
17 authors at 10 institutions in 2 countries.
Funding
Abstract
objectivesTo determine the role of keratin 17 (K17) as a predictive biomarker for response to chemotherapy by defining thresholds of K17 expression based on immunohistochemical tests that could be used to optimize therapeutic intervention for patients with pancreatic ductal adenocarcinoma (PDAC).
methodsWe profiled K17 expression, a hallmark of the basal molecular subtype of PDAC, by immunohistochemistry in 2 cohorts of formalin-fixed, paraffin-embedded PDACs (n = 305). We determined a K17 threshold of expression to optimize prognostic stratification according to the lowest Akaike information criterion and explored the potential relationship between K17 and chemoresistance by multivariate predictive analyses.
resultsPatients with advanced-stage, low K17 PDACs treated using 5-fluorouracil (5-FU)-based chemotherapeutic regimens had 3-fold longer survival than corresponding cases treated with gemcitabine-based chemotherapy. By contrast, PDACs with high K17 did not respond to either regimen. The predictive value of K17 was independent of tumor mutation status and other clinicopathologic variables.
conclusionsThe detection of K17 in 10% or greater of PDAC cells identified patients with shortest survival. Among patients with low K17 PDACs, 5-FU-based treatment was more likely than gemcitabine-based therapies to extend survival.
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