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Pharmacogenetics and target identification in diabetes.
1Division of Molecular & Clinical Medicine, School of Medicine, University of Dundee, Dundee DD1 9SY, United Kingdom.
Current Opinion in Genetics & Development
|February 28, 2018
Summary
Pharmacogenetics helps personalize diabetes treatment by identifying patient subgroups who benefit most from specific drugs. Genetic variations impact treatment response and side effects, offering insights into diabetes mechanisms.
Area of Science:
- Pharmacogenomics and Precision Medicine
- Endocrinology and Metabolic Diseases
Background:
- Genetic variations significantly influence individual responses to diabetes treatments, affecting both glycemic control and the occurrence of adverse effects.
- Pharmacogenetics aids in understanding drug action mechanisms and disease etiology in diabetes management.
- Monogenic forms of diabetes, such as Maturity Onset Diabetes of the Young (MODY) and Neonatal diabetes, demonstrate the clinical impact of specific gene mutations (e.g., HNF1A, ABCC8, KCNJ11) on treatment outcomes.
Purpose of the Study:
- To explore the role of pharmacogenetics in identifying patient subgroups who will benefit most or experience least harm from specific diabetes treatments.
- To gain insights into the molecular mechanisms underlying drug action and the etiology of diabetes through genetic variation analysis.
- To highlight the potential clinical utility of pharmacogenetic variants in tailoring diabetes pharmacotherapy.
Main Methods:
- Review of existing evidence on genetic variation and response to diabetes treatments.
- Analysis of specific pharmacogenetic variants (e.g., OCT1, SLC2A2) associated with metformin response and intolerance.
- Consideration of monogenic diabetes cases (HNF1A, ABCC8, KCNJ11 mutations) as examples of genetic impact.
Main Results:
- Genetic variations demonstrably alter glycemic response and side effect profiles in patients with diabetes.
- Pharmacogenetic variants, such as those involving OCT1 and SLC2A2, show potential clinical utility for metformin therapy, especially when genotype information is readily available.
- Monogenic diabetes provides clear examples of how specific genetic mutations dramatically impact clinical care and treatment selection.
Conclusions:
- Pharmacogenetics offers a powerful tool for stratifying patients and personalizing diabetes treatment strategies.
- While not yet standard practice beyond monogenic forms, pharmacogenetic insights hold significant potential for improving diabetes pharmacotherapy efficacy and safety.
- Future advancements in large-scale cohort studies and electronic health record linkage will likely accelerate the identification of novel targets and enhance patient stratification in diabetes care.
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