Faculty of Medicine

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Author: search.filters.author.Pakovski, KirilHas files: Yes

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    Association of the rs1799750 Matrix Metalloproteinase-1 Gene Polymorphism and Coronary Artery Disease in Young Macedonian Population
    (Macedonian Association of Anatomists and Morphologists, 2024-10-23)
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    Stankovic, Svetlana
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    Pakovski, Kiril
    Coronary artery disease (CAD) is very complex disease arising from close interaction of many risk-factors as well as presence of many comorbidities. Pathophysiology mechanisms may be different and encompass endothelial dysfunction, impaired lipid metabolism, chronic inflammation, thrombosis, and mechanisms associated with tissue maintenance and remodeling. In this research we aim to investigate the association between rs1799750 (-1607 1G/2G) matrix metalloproteinase – 1 (MMP-1) gene polymorphism and CAD in young Macedonian population. This is an observational, genetic-association study of cases and controls including 57 participants divided into two groups. The first is the group with positive coronary angiography (CA) finding (n=34) and the second is the group with negative CA finding (controls, n=34 participants). All of them underwent molecular and genetic analyses after performed CA. Complete comparison of the frequencies of genotypes and alleles of the rs1799750 MMP-1 gene polymorphism was used for statistical analysis. Calculations were performed using Chi-square test (x2-test) and Fisher's exact test for analysis of the genotype and allele frequencies of the gene polymorphism using five different models. The Cochran-Armitage trend test was used to analyse the allelic frequencies with the allelic and additive model. The statistical analyses were performed using XLSTAT 2016, GenAIEx 6.5 and Microsoft Excel 2016 software. According to the genotypic model, carriers of the heterozygous 1G/2G genotype have 2,8 times higher probability whereas carriers of the 2G/2G genotype have 7,389 times higher probability for development of CAD in comparison to the reference carriers of 1G/1G, respectively (p<0,05). The dominant model has also confirmed that genotype carriers with at least one 2G allele have 4,521 times higher probability for CAD in comparison to homozygous 1G/1G genotype carriers (p<0,05). According to the recessive model, participants with homozygous 2G/2G genotype have statistically significant 3,589 times higher probability for CAD in comparison to participants with at least one 1G allele (p<0,05). Allelic model also proved that carriers of the 2G allele have 3 times higher chances for development of CAD than the carriers of the 1G allele (p<0,05). The last, additive model, confirmed that the risk increases with the number of present 2G allele. Results from our study clearly show that there is statistically significant genetic association of the rs1799750 MMP-1 gene polymorphism with significant CAD in young Macedonian population. More specifically, presence of genotype 2G/2G as well as allele 2G leads to statistically significant increase of the probability for CAD.
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    Association of ACEI//D Gene Polymorphism with Diabetic Nephropathy.
    (Scientific association of endocrinologists and diabetologists of Macedonia, 2018-05)
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    Trajkovska, Ivana
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    Doneva, Daniela
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    Nedevska Minova, Natasha
    Diabetic nephropathy (DN) is considered as a major microvascular complication of type 2 diabetes mellitus (T2DM) and is the leading cause of end-stage renal disease. Genetic susceptibility is a significant risk factor for DN development including the polymorphisms in ACE gene. The aim of this study is to investigate the association of ACE gene I/D polymorphism with DN in T2DM patients. In this prospective, observational, genetic association, case-control study, a demographic, clinical and laboratory data are analyzed from preliminary selected group of 35 patients with T2DM, of which 17 are with DN and 18 without DN. The duration of T2DM is similar to both subgroups. As controls, blood samples from 30 healthy blood donors and volunteers are being collected. Genetic analyses revealed statistically significant (p=0.029) association of genotypes D/D and I/D with occurrence of nephropathy, regarding the homozygous I/I genotype. Carriers of D/D and I/D genotypes has 7.134 folds higher odds and 2.148 folds higher relative risk for developing nephropathy than the carriers of I/I genotype among the patients with T2DM. Although the data and samples from only 35 patients are calculated, preliminary analyses indicates that there is a potential applicable predictive value of determination of this polymorphism during the clinical follow-up, treatment selection and prognosis of diabetic nephropathy.
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    Association of the apoe gene polymorphism with diabetic nephropathy
    (SHMSHM - AAMD, 2019-02)
    Hasan, Taner
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    Pakovski, Kiril
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    Josifovska, Slavica
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    Baloski, Marjan
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    Nedeska Minova, Natasha
    The protein isoformes that are products of the Apolipoprotein E (APOB) gene polymorphism have partially altered biological activity and that may lead to greater susceptibility of the patients to microvascular complications including Diabetic nephropathy (DN) in patients with the Type 2 diabetes mellitus (T2DM). The aim of this study was to evaluate the association between the allele Ԑ2, Ԑ3, and Ԑ4 of the APOE gene, as well as their combination, with the development of DN in patients with T2DM from the North Macedonia. The genotypic and allele frequency of the polymorphisms rs429358 and rs7412 in the APOE gene was determined in a group of patients with T2DM (with and without DN), and in the control group healthy subjects. The study is designed as a case-control genetic association study. The samples from 88 patients with T2DM were analyzed, including 57 patients with DN and 31 without DN and 26 healthy controls. The demographic, clinical and laboratory data were analyzed in addition to the genetic profiling of the patients. Genotyping of the APOE gene polymorphism resulted in determination of the patient’s genotype: Ԑ2/Ԑ2, Ԑ3/Ԑ3, Ԑ4/Ԑ4, Ԑ2/Ԑ3, Ԑ2/Ԑ4 or Ԑ3/Ԑ4, as well as of the alleles: Ԑ2, Ԑ3 or Ԑ4. The results revealed a statistically significant association of the genotype Ԑ2/Ԑ3 (p=0.016) and the allele Ԑ2 (p=0.020) with the occurrence of DN compared to the other genotypes and alleles. The presence of this genotype increases the chances of DN by 4,24 folds and the relative risk by 1,50 folds. In conclusion, the correlation of the APOE gene polymorphism and the development of the DN in patients with T2DM was confirmed indicating that there is a potential applicable value in the prognosis and treatment selection.
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    Angiotensin-converting enzyme gene (I/D) polymorphism in association with diabetic nephropathy
    (SHMSHM - AAMD, 2018-03)
    Hasan, Taner
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    Trajkovska, Ivana
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    Balovski, Marjan
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    Minova Nedeska, Natasha
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    Polymorphisms in the Angiotensin-converting enzyme (ACE) gene have been associated with development of diabetic nephropathy (DN), a major microvascular complication of the type 2 diabetes mellitus (T2DM). Since the genetic predisposition plays an important role in development of DN in patients with T2DM, genetic testing might largely contribute to better assessment of the risk of DN in such patients. The aim of this study is to investigate the association of the ACE gene I/D polymorphism with DN in T2DM patients. The study is designed as a casecontrol genetic association study. The samples from 88 patients with T2DM were analyzed, including 57 patients with DN and 31 without DN. The study includes also 26 healthy controls. The demographic, clinical and laboratory data are analyzed in addition to the genetic profiling of the patients for the ACE gene. Genotyping of the ACE gene I/D polymorphism resulted in determination of the patient’s genotype: D/D, I/D or I/I. The results revealed a statistically significant association of genotypes D/D and I/D with the occurrence of nephropathy compared to the I/I genotype. In the group of patients with T2DM, the carriers of the D/D or I/D genotypes have 6.46 folds higher odds and 1.7 folds higher relative risk for developing nephropathy than the carriers of I/I genotype. The results confirmed the correlation of the genetic polymorphism and the development of the DN in patients with T2DM indicating its potential predictive use in terms of the clinical follow-up, treatment selection and prognosis of DN.