Related Experiment Video
Updated: May 4, 2026

Detection of a CDH1 Rare Transcript Variant in Fresh-frozen Gastric Cancer Tissues by Chip-based Digital PCR
Published on: February 5, 2018
Research progress regarding CYP3A gene family in gastric cancer
Qi Jia1, Qingsong Ding2, Kangmei Shao2
1Second Clinical Medical School, Lanzhou University, Lanzhou 730030. 1223684838@qq.com.
Abstract:
Cytochrome P450 family 3 subfamily A (CYP3A), a major member of cytochrome P450 (CYP) family, is one of the most important drug metabolizing enzymes in human. CYP3A includes 4 gene subtypes (CYP3A4, CYP3A5, CYP3A7, and CYP3A43), which is involved in 60% of drug metabolism in the human. It is not only widely distributed in normal tissues, but also significantly overexpressed in various tumor tissues. Recently, CYP3A has attracted great attention due to its involvement in the progression from chronic atrophic gastritis to gastric cancer, as well as the differential metabolism and resistance of chemotherapeutic drugs. Targeting CYP3A gene mediated-prodrug provides new ideas for the treatment of gastric cancer and is expected to become a new target for the diagnosis and treatment of gastric cancer.
Insights
Cytochrome P450 family 3 subfamily A (CYP3A) enzymes are crucial for drug metabolism and are overexpressed in tumors. Targeting CYP3A offers new strategies for gastric cancer diagnosis and treatment.
Area of Science:
- Biochemistry
- Pharmacology
- Oncology
Background:
- Cytochrome P450 family 3 subfamily A (CYP3A) is a critical drug-metabolizing enzyme system in humans.
- CYP3A enzymes are involved in approximately 60% of drug metabolism and are found in both normal and tumor tissues.
- Aberrant CYP3A expression is implicated in gastric cancer development and chemotherapeutic drug resistance.
Purpose of the Study:
- To highlight the significance of CYP3A in drug metabolism and its role in gastric cancer.
- To explore the potential of targeting CYP3A for novel gastric cancer therapeutic strategies.
Main Methods:
- Literature review and analysis of existing research on CYP3A function and its involvement in gastric cancer.
- Examination of the role of CYP3A in drug metabolism, gastric carcinogenesis, and chemoresistance.
Main Results:
- CYP3A enzymes are widely distributed and significantly overexpressed in various tumor tissues, including gastric cancer.
- CYP3A plays a role in the progression of chronic atrophic gastritis to gastric cancer.
- CYP3A influences the differential metabolism and resistance of chemotherapeutic agents.
Conclusions:
- Targeting CYP3A-mediated prodrugs presents a promising new approach for gastric cancer treatment.
- CYP3A is a potential target for the diagnosis and treatment of gastric cancer.
Related Concept Videos
Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Pharmacogenomics: Identification of New Drug Targets

