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Updated: Sep 21, 2025

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
Published on: July 14, 2016
ASSOCIATIONS OF POLYMORPHISMS NOS3-T-786C, MTHFR-C667T, P2RY12-T-744C, (GPIBα) -C482T AND GENE INTERACTIONS IN
Eugene I Shorikov1, Olena V Zaliavska1, Dina V Shorikova1
1BUKOVINIAN STATE MEDICAL UNIVERSITY, CHERNIVTSI, UKRAINE.
Objective:
The aim: To establish the role of allelic polymorphisms NOS3-T-786C, MTHFR-C667T, P2RY12--744C, (GPIbα)-C482T in the development of vascular lesions in patients with hypertension and diabetes mellitus type 2.
Patients And Methods:
Materials and methods: The study included 100 patients with hypertension and diabetes mellitus type 2 (main group) and 50 patients without type 2 diabetes (control group). Patients underwent echocardiography, color duplex scanning of extracranial, brachiocephalic and femoral vessels. The distribution of allelic polymorphisms was investigated by isolation DNA from leukocytes and polymerase chain reaction (PCR).
Results:
Results: The risk of vascular damages increases 2-fold when carrying all 4 risk alleles in monozygotic genotypes of polymorphic loci in patients with hypertension with concomitant type 2 diabetes (p<0,05). In gene-gene interaction, the values of contributions and directions of interaction between alleles of polymorphic loci are established (p<0,05). Genes create a paired hierarchy of interaction according to their functional activity; the largest contribution to the probable vascular damage depends on the allelic polymorphism NOS3-786CT (p<0,05), the lowest - on the allelic polymorphism P2RY12-744CC (H2H2). The genetic polymorphism of the MTHFR gene is independent of the influence of other studied polymorphisms (p<0,05); the genes P2RY12-744CT and GPIbα 482CT act synergistically with the gene NOS3-786CT, being in a weak negative interaction with each other.
Conclusion:
Conclusions: Phenotypic manifestations of endothelial dysfunction may be modified by allelic polymorphism of genes associated with endothelial and platelet functions with the risk of vascular complications.
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