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Updated: Oct 9, 2025

Using Human Differentially Expressed Gene Lists to Perform Downstream Pathway Enrichment Analysis and Target Prioritization
Published on: October 3, 2025
The emergence of targetable pathways in colorectal cancer
1Department of Gastrointestinal Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas.
Abstract:
Colorectal cancer continues to be one of the leading causes of cancer-related morbidity and mortality globally. Despite an overall decreasing incidence of the disease, early-onset colorectal cancer is a growing concern. Fluoropyrimidine-based doublet chemotherapy has remained the backbone of treatment in the metastatic setting during the past 2 decades. The increasing accessibility and decreasing cost of molecular profiling have made it possible to acquire further insight into prognostic and predictive biomarkers that ultimately help physicians to provide precision medicine in the clinic. In this review, we describe a contemporary biomarker-driven approach to first-line and subsequent-line therapies and highlight the important molecular alterations that affect the treatment of advanced colorectal cancer, along with the supporting clinical trial data.
Insights
Advanced colorectal cancer treatment is evolving with precision medicine. Biomarker-driven approaches and molecular profiling are key to tailoring therapies for better patient outcomes, especially with rising early-onset cancer rates.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Colorectal cancer (CRC) remains a significant global health burden, causing substantial morbidity and mortality.
- While overall CRC incidence is decreasing, early-onset CRC presents a growing challenge.
- Fluoropyrimidine-based chemotherapy has been the standard for metastatic CRC for two decades.
Purpose of the Study:
- To review contemporary biomarker-driven strategies for first-line and subsequent-line therapies in advanced colorectal cancer.
- To highlight key molecular alterations impacting treatment decisions.
- To present supporting clinical trial data for biomarker-guided precision medicine.
Main Methods:
- Literature review of clinical trials and studies focusing on biomarkers in advanced colorectal cancer.
- Analysis of molecular profiling data and their correlation with treatment response.
- Synthesis of current evidence on precision medicine approaches in CRC therapy.
Main Results:
- Molecular profiling is increasingly accessible and cost-effective, aiding in biomarker discovery.
- Biomarkers are crucial for guiding treatment selection and improving outcomes in advanced CRC.
- A shift towards personalized, biomarker-driven therapeutic strategies is evident.
Conclusions:
- Precision medicine, guided by molecular biomarkers, is transforming advanced colorectal cancer treatment.
- Understanding molecular alterations is essential for optimizing therapeutic strategies.
- Biomarker-driven approaches offer improved prognostic and predictive insights for patient care.
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