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1.
Gene ; 927: 148705, 2024 Nov 15.
Artículo en Inglés | MEDLINE | ID: mdl-38901534

RESUMEN

BACKGROUND: The adenosine triphosphate-binding cassette transporter A1 (ABCA1) is closely linked to various aspects of the regulation of whole-body cholesterol metabolism and atherosclerosis formation. The object of the study was to investigate the association between rs1800977 and rs2230806 polymorphisms in the ABCA1 gene and myocardial infarction (MI) in Slovenian subjects with type 2 diabetes mellitus (T2DM). METHODS: 1590 T2DM patients (484 subjects with MI and 1106 controls) were included in this retrospective cross-sectional case-control study. After genotyping, Pearson χ2 test was used to compare the distribution of genotypes and alleles among the two groups. Logistic regression analysis adjusted for several risk factors for MI was performed. RESULTS: Genotype distribution showed significant association with MI in T2DM subjects for both selected polymorphisms in ABCA1 gene (p = 0.009 for rs2230806 and p = 0.042 for rs1800977). After applying corrections for confounding variables like age, waist circumference, diastolic blood pressure, serum high-density lipoprotein levels, gender and smoking several genetic models still showed significant associations with MI (dominant model for rs2230806 and dominant, overdominant and co-dominant for rs1800977). CONCLUSION: Our study showed that presence of the T allele of the rs2230806 ABCA1 gene is associated with higher risk of MI, while the A allele of the rs1800977 conferred protection against MI in Slovenian T2DM subjects.


Asunto(s)
Transportador 1 de Casete de Unión a ATP , Diabetes Mellitus Tipo 2 , Predisposición Genética a la Enfermedad , Infarto del Miocardio , Polimorfismo de Nucleótido Simple , Humanos , Diabetes Mellitus Tipo 2/genética , Diabetes Mellitus Tipo 2/complicaciones , Transportador 1 de Casete de Unión a ATP/genética , Masculino , Femenino , Infarto del Miocardio/genética , Persona de Mediana Edad , Eslovenia , Estudios de Casos y Controles , Anciano , Estudios Transversales , Estudios Retrospectivos , Factores de Riesgo , Genotipo , Alelos
2.
Int J Legal Med ; 132(6): 1595-1601, 2018 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-29557505

RESUMEN

Dysregulations in serotonin neurotransmission can be a strong contributing factor in suicide and impulsive-aggressive personality traits. Victims of suicide form a heterogeneous group in terms of planning, lethality and number of used methods. In this study, we tested single nucleotide polymorphisms (SNPs) of the monoamine oxidase (MAO) A and B genes on the Slovenian population, which has one of the highest suicide rates in the world. Genotyping was performed on 77 victims of complex suicide, 406 victims of simple suicide and 289 controls. The differences in allele distribution were investigated with the two-tailed χ2 test. Haplotype analysis was performed on 740 subjects. Significant or tendency for significant differences in distribution was observed for all studied polymorphisms in the MAOA gene when comparing male victims of complex suicide, victims of simple suicide and controls. Minor allele frequencies in male victims of complex suicide were A 6.7% for rs3027407, C 13% for rs909525 and T 12.7% for rs1137070; in victims of simple suicide, A 36.3% for rs3027407, C 39.5% for rs909525 and T 36.4% for rs1137070; and in controls, A 25.2% for rs3027407, C 30.4% for rs909525 and T 25.8% for rs1137070. The distribution analysis of polymorphism rs1799836 in the MAOB gene and all studied polymorphisms in the MAOA gene in females failed to show any significant results. GTC haplotype (for rs3027407, rs909525, rs1137070) in MAOA polymorphisms was more frequent in victims of complex suicide compared to that in controls and victims of simple suicide. Compared to victims of complex suicide, male victims of simple suicide were more often carriers of MAOA alleles that are, according to literature, associated with higher levels of impulsivity and anger. These differences in SNP distribution could serve as an additional method of differentiating between victims of complex and victims of simple suicide. Further studies including psychological autopsies should be carried out in order to identify personality traits and behavioural differences among distinct groups of suicide victims.


Asunto(s)
Genotipo , Monoaminooxidasa/genética , Polimorfismo de Nucleótido Simple , Suicidio/psicología , Estudios de Casos y Controles , Femenino , Frecuencia de los Genes , Haplotipos , Humanos , Masculino , Persona de Mediana Edad , Reacción en Cadena en Tiempo Real de la Polimerasa , Eslovenia
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