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Published on: September 30, 2016
Cyclooxygenase-2 and epidermal growth factor receptor: pharmacologic targets for chemoprevention
Andrew J Dannenberg1, Scott M Lippman, Jason R Mann
1Vanderbilt-Ingram Cancer Center, 691 Preston Research Building, 2300 Pierce Avenue, Nashville, TN 37232-6838, USA.
Abstract:
Understanding the mechanisms underlying carcinogenesis provides insights that are necessary for the development of therapeutic strategies to prevent cancer. Chemoprevention, the use of drugs or natural substances to inhibit carcinogenesis, is a rapidly evolving aspect of cancer research. Evidence is presented that cyclooxygenase-2 (COX-2) and epidermal growth factor receptor (EGFR) are potential pharmacologic targets to prevent cancer. In this paper, we review key data implicating a causal relationship between COX-2, EGFR, and carcinogenesis and possible mechanisms of action. We discuss evidence of crosstalk between COX-2 and EGFR in order to strengthen the rationale for combination chemoprevention, and review plans for a clinical trial that will evaluate the concept of combination chemoprevention targeting COX-2 and EGFR.
Insights
Cyclooxygenase-2 (COX-2) and epidermal growth factor receptor (EGFR) are key targets for cancer prevention. Targeting both COX-2 and EGFR together may offer a more effective chemoprevention strategy against cancer.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Carcinogenesis research is vital for developing cancer prevention strategies.
- Chemoprevention, using drugs or natural compounds to inhibit cancer development, is a growing field.
- Cyclooxygenase-2 (COX-2) and epidermal growth factor receptor (EGFR) are implicated in cancer progression.
Purpose of the Study:
- To review evidence linking COX-2 and EGFR to carcinogenesis.
- To explore the mechanisms of action for COX-2 and EGFR in cancer.
- To strengthen the rationale for combination chemoprevention targeting both pathways.
Main Methods:
- Literature review of existing data on COX-2, EGFR, and carcinogenesis.
- Analysis of mechanisms of action and potential crosstalk between COX-2 and EGFR.
- Overview of a planned clinical trial for combination chemoprevention.
Main Results:
- Evidence suggests a causal role for COX-2 and EGFR in carcinogenesis.
- Crosstalk between COX-2 and EGFR pathways is identified.
- A clinical trial is proposed to test combination chemoprevention.
Conclusions:
- COX-2 and EGFR are promising pharmacologic targets for cancer chemoprevention.
- Combination therapy targeting both COX-2 and EGFR warrants further investigation.
- Clinical trials are necessary to validate the efficacy of combined COX-2 and EGFR inhibition.
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