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[Hyperhomocysteinemia as risk factor in a Mexican population]
J J Morales1, B Sánchez, J Verdejo
1Departamento de Genética, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México, D.F.
Archivos De Cardiologia De Mexico
|September 12, 2003
Summary
Hyperhomocysteinemia, an emerging risk factor for coronary artery disease (CAD), is prevalent in early-onset CAD Mexican patients. Elevated homocysteine and a specific MTHFR gene mutation contribute to this condition.
Area of Science:
- Cardiovascular Medicine
- Metabolic Disorders
- Genetics
Context:
- Coronary artery disease (CAD) affects individuals at increasingly younger ages.
- Hyperhomocysteinemia is an emerging risk factor for cardiovascular events.
- Understanding metabolic and genetic factors in early-onset CAD is crucial.
Purpose:
- To determine the prevalence of hyperhomocysteinemia in Mexican patients with early-onset CAD (<50 years).
- To compare homocysteine levels between early CAD patients and a control group.
- To investigate the role of genetic factors, specifically MTHFR mutations, in early CAD.
Summary:
- This study investigated hyperhomocysteinemia in Mexican patients with early-onset coronary artery disease (CAD).
- Results indicate that early CAD patients exhibit higher plasma homocysteine levels and a greater prevalence of traditional risk factors, notably diabetes mellitus.
- A higher incidence of the TT homozygotic MTHFR mutation was observed, linked to altered folate metabolism and increased homocysteine.
Impact:
- Highlights hyperhomocysteinemia as a significant risk factor in early-onset CAD within the Mexican population.
- Suggests the importance of screening for hyperhomocysteinemia and MTHFR mutations in younger patients with CAD.
- Provides insights into the interplay of metabolic, genetic, and traditional risk factors in premature cardiovascular disease.