期刊
PHARMACEUTICALS
卷 14, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/ph14090898
关键词
cholangiocarcinoma; targeted therapy; biomarkers; receptor tyrosine kinases; precision medicine
资金
- Mahidol University
Cholangiocarcinoma (CCA) is a diverse group of malignancies originating from the bile duct, with tumor heterogeneity hindering the feasibility of precision oncology. Stratifying patients based on molecular features and biomarkers offers a potential solution. The study identified five distinct molecular subtypes of CCA based on gene expression profiles of selected RTKs, suggesting tailored dual inhibition of RTKs may be more favorable than monotherapy for this type of cancer.
Cholangiocarcinoma (CCA) is a heterogeneous group of malignancies that primarily originate from the bile duct. Tumor heterogeneity is a prime characteristic of CCA and considering the scarcity of approved targeted therapy drugs, this makes precision oncology impractical in CCA. Stratifying patients based on their molecular signature and biomarker-guided therapy may offer a conducive solution. Receptors tyrosine kinases (RTK) are potential targets for novel therapeutic strategies in CCA as RTK signaling is dysregulated in CCA. This study aims to identify targetable RTK profile in CCA using a bioinformatic approach. We discovered that CCA samples could be grouped into molecular subtypes based on the gene expression profile of selected RTKs (RTK25). Using the RTK25 gene list, we discovered five distinct molecular subtypes of CCA in this cohort. Tyrosine kinase inhibitors that target each RTK profile and their subsequent molecular signatures were also discovered. These results suggest that certain RTKs correlate with each other, indicating that tailored dual inhibition of RTKs may be more favorable than monotherapy. The results from this study can direct future investigative attention towards validating this concept in in vivo and in vitro systems. Ultimately, this will facilitate biomarker-guided clinical trials for the successful approval of novel therapeutic options in CCA.
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