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Gene-Environment Interplay: Where We Are, Where We Are Going.
Jessica E Salvatore1, Danielle M Dick1
1Virginia Commonwealth University.
Journal of Marriage and the Family
|April 4, 2015
Summary
Candidate Gene × Environment interaction (cGxE) research faces challenges in gene selection and hypothesis development. Recommendations include using empirical data for gene selection and theory for hypotheses to improve cGxE findings.
Area of Science:
- Behavioral genetics
- Psychological science
Background:
- The interplay of genetic and environmental factors in shaping behavior is well-established.
- However, the methodology for studying candidate Gene × Environment interaction (cGxE) remains a subject of debate and controversy.
Purpose of the Study:
- To summarize critical issues in current cGxE research.
- To provide actionable recommendations for enhancing the rigor and validity of cGxE studies.
Main Methods:
- Review of key challenges in cGxE research, including gene selection, hypothesis formulation, and genotype coding.
- Proposal of best practices for gene selection, hypothesis development, and hypothesis testing.
Main Results:
- Identified significant challenges in cGxE research practices.
- Proposed a framework for more robust cGxE research, emphasizing empirical data and theoretical grounding.
Conclusions:
- Adoption of recommended best practices, such as using empirical data for gene selection and theory-driven hypotheses, can increase confidence in cGxE findings.
- Family research methodologies offer valuable insights for nuanced environmental measurement in Gene × Environment studies.
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