Robertson, F. P., Cameron, A. , Spiers, H. V.M., Joseph, N., Taylor, E., Ratnayake, B., Jamieson, N. B. and Pandanaboyana, S. (2024) Evidence for molecular subtyping in pancreatic ductal adenocarcinoma: A systematic review. HPB, (doi: 10.1016/j.hpb.2024.02.001) (PMID:38401998)
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Abstract
Background: Pancreatic Ductal Adenocarcinoma (PDAC) patients exhibit varied responses to multimodal therapy. RNA gene sequencing has unravelled distinct tumour biology subtypes, forming the focus of this review exploring its impact on survival outcomes. Methods: A systematic search across PubMed, Medline, Embase, and CINAHL databases targeted studies assessing long-term overall and disease-free survival in PDAC patients with molecular subtyping. Results: Fifteen studies including 2731 patients were identified. Molecular subtyping was performed by RNA sequencing and Immunohistochemistry in 14 studies and by Mass Spectrometry in 1 study. Two main tumour subtypes were identified (classical and basal-like or squamous) with basal like associated with poorer outcomes. Further subtypes were identified in individual studies. Superior survival was seen with classical subtype in all other analyses that compared the classical and basal subtypes. High risk stromal subtypes were identified on further analysis of the stroma and were associated with a worse survival independent of the tumour subtype. Conclusion: Molecular subtyping of PDAC specimens can identify patients with high-risk tumour biology and poor survival outcomes. Routine subtyping is limited by the cost of RNA sequencing and the volume of raw data generated which has made its translation into routine clinical practice difficult.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Jamieson, Professor Nigel and Cameron, Mr Andrew |
| Authors: | Robertson, F. P., Cameron, A., Spiers, H. V.M., Joseph, N., Taylor, E., Ratnayake, B., Jamieson, N. B., and Pandanaboyana, S. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cancer Sciences |
| Journal Name: | HPB |
| Publisher: | Elsevier |
| ISSN: | 1365-182X |
| ISSN (Online): | 1477-2574 |
| Published Online: | 10 February 2024 |
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