• Rasa Liutkevičienė, Diana Žaliaduonytė-Pekšienė, Dalia Žaliūnienė, Olivija Gustienė, Vytautas Jašinskas, Vaiva Lesauskaitė, Abdonas Tamošiūnas, and Remigijus Žaliūnas.
• Department of Ophthalmology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania. rliutkeviciene@gmail.com
• Medicina (Kaunas). 2012 Jan 1; 48 (8): 404409404-9.

ObjectiveThe aim of our study was to determine if the genotype of the matrix metalloproteinase-3 (MMP-3) gene might carry the risk of age-related macular degeneration (ARMD) in patients with myocardial infarction.Material And MethodsA total of 499 patients with an acute myocardial infarction or with a history of myocardial infarction were enrolled into the study. They were subdivided into 2 groups: 273 patients with ARMD and 226 patients without ARMD. The control group comprised 560 persons from a random sample of the Lithuanian population. DNA was analyzed using real-time polymerase chain reaction to genotype polymorphism 5A/6A at a position -1171 of the MMP-3 gene promoter.ResultsOf the 499 patients with myocardial infarction, 47% had early-stage ARMD. The patients with ARMD were older than the patients in the group without ARMD (62.1±10.8 vs. 59.6±11.1, P<0.01). The analysis of MMP-3 gene polymorphism did not reveal any differences in the distribution of 5A/5A, 5A/6A, and 6A/6A genotypes between the ARMD group, non-ARMD group, and the control group (24.2%, 52.5%, and 23.3% in the ARMD group; 28.7%, 51.9%, and 19.4% in non-ARMD group; and 25.7%, 49.3% and 25.0%, in the control group, respectively).ConclusionsMMP-3 gene polymorphism had no predominant effect on the development of ARMD in patients with myocardial infarction.

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