Article ; Online: TP53
JCO precision oncology
2023 Volume 7, Page(s) e2200570
Abstract: Purpose: To examine the impact of : Methods: This cohort included patients with locally advanced, recurrent, and de novo metastatic PDAC with next-generation sequencing performed from November 2017 to May 2022. We defined R175H, R248W, R248Q, R249S, ... ...
Abstract | Purpose: To examine the impact of Methods: This cohort included patients with locally advanced, recurrent, and de novo metastatic PDAC with next-generation sequencing performed from November 2017 to May 2022. We defined R175H, R248W, R248Q, R249S, R273H, R273L, and R282W as GOF and all other p53 mutations (mutp53) as non-GOF. We used Cox regression modeling to examine the association between GOF and non-GOF mutp53 and overall survival (OS), adjusting for demographics, performance status, Charlson comorbidity index, receipt of chemotherapy, and Results: Of 893 total eligible patients, 68.5% had tumors with mutp53, 90.1% had Conclusion: GOF and non-GOF mutp53 were associated with differential prognosis in advanced PDAC. The adverse effect of mutKRAS on OS appeared to be primarily driven by patients with mutCDKN2A. Our results provide new insight that could be helpful for prognostic stratification in clinical practice and for aiding future clinical trial designs. |
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MeSH term(s) | Humans ; Tumor Suppressor Protein p53/genetics ; Proto-Oncogene Proteins p21(ras)/genetics ; Pancreatic Neoplasms/diagnosis ; Pancreatic Neoplasms/genetics ; Prognosis ; Adenocarcinoma/genetics ; Mutation/genetics ; Pancreatic Neoplasms |
Chemical Substances | Tumor Suppressor Protein p53 ; Proto-Oncogene Proteins p21(ras) (EC 3.6.5.2) ; TP53 protein, human |
Language | English |
Publishing date | 2023-05-10 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 2473-4284 |
ISSN (online) | 2473-4284 |
DOI | 10.1200/PO.22.00570 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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