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RISS 인기검색어
- 검색키워드
- 저자 : George V. Dedoussis (검색결과 2 건)
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Age-dependent dichotomous effect of superoxide dismutaseAla16Val polymorphism on oxidized LDL levels
George V. Dedoussis,Stavroula Kanoni,Eirini Louizou,Efi Grigoriou,Christina Chrysohoou,Christos Pitsavos,Christodoulos Stefanadis,Demosthenes B. Panagiotakos 생화학분자생물학회 2008 Experimental and molecular medicine Vol.40 No.1
We investigated the association between superoxide dismutase (SOD) Ala16Val polymorphism and the levels of oxidized LDL lipoprotein-C (ox-LDL-C) in two age-different Greek cohorts. Four hundred fifteen middle- aged (n = 147 females: 43.2 ± 13 years, n = 268 males: 43.3 ± 14 years) Caucasian Greek subjects consisted the middle aged cohort. One hundred seventy five elderly (n = 88 females: 79.9 ± 4 years; n = 87 males: 80.6 ± 4 years) were selected from the elderly cohort. Genotype data were obtained for all of them. Multiple linear regression analysis, stratified by gender and adjusted for age, smoking habits and body mass index as covariates, showed higher ox-LDL-C levels for the middle aged men with the Val/Val genotype, compared to the other allele (Ala/Ala and Ala/Val) carriers (65.9 ± 25.7 vs. 55.7 ± 20.5 mg/dl; standardized β coefficient = 0.192, P = 0.012). On the contrary, elderly women with the Val/Val genotype occurred with lower ox-LDL-C levels compared to the Ala/Ala or Ala/Val genotype (74.2 ± 22.1 vs. 86.5 ± 26.6 mg/dl; standardized β coefficient = -0.269, P = 0.015). The same trend was also recorded in elderly men, however without reaching statistical signifi significance (standardized β coefficient = -0.187, P = 0.077). Moreover, elderly men and women with the Ala/Ala or Ala/Val genotype presented higher triglycerides levels compared to Val/Val (women: 145.2 ± 68.7 vs. 114.3 ± 34.3 mg/dl, P = 0.027; men: 147.8 ± 72.4 vs. 103.7 ± 38.0 mg/dl, P = 0.002). Additionally, middle aged men with the Val/Val genotype had higher HDL-C levels compared to the Ala allele carriers. The results suggest that SOD Ala16Val polymorphism is an age-dependent modulator of ox-LDL-C levels in middle-aged men and elderly women. We investigated the association between superoxide dismutase (SOD) Ala16Val polymorphism and the levels of oxidized LDL lipoprotein-C (ox-LDL-C) in two age-different Greek cohorts. Four hundred fifteen middle- aged (n = 147 females: 43.2 ± 13 years, n = 268 males: 43.3 ± 14 years) Caucasian Greek subjects consisted the middle aged cohort. One hundred seventy five elderly (n = 88 females: 79.9 ± 4 years; n = 87 males: 80.6 ± 4 years) were selected from the elderly cohort. Genotype data were obtained for all of them. Multiple linear regression analysis, stratified by gender and adjusted for age, smoking habits and body mass index as covariates, showed higher ox-LDL-C levels for the middle aged men with the Val/Val genotype, compared to the other allele (Ala/Ala and Ala/Val) carriers (65.9 ± 25.7 vs. 55.7 ± 20.5 mg/dl; standardized β coefficient = 0.192, P = 0.012). On the contrary, elderly women with the Val/Val genotype occurred with lower ox-LDL-C levels compared to the Ala/Ala or Ala/Val genotype (74.2 ± 22.1 vs. 86.5 ± 26.6 mg/dl; standardized β coefficient = -0.269, P = 0.015). The same trend was also recorded in elderly men, however without reaching statistical signifi significance (standardized β coefficient = -0.187, P = 0.077). Moreover, elderly men and women with the Ala/Ala or Ala/Val genotype presented higher triglycerides levels compared to Val/Val (women: 145.2 ± 68.7 vs. 114.3 ± 34.3 mg/dl, P = 0.027; men: 147.8 ± 72.4 vs. 103.7 ± 38.0 mg/dl, P = 0.002). Additionally, middle aged men with the Val/Val genotype had higher HDL-C levels compared to the Ala allele carriers. The results suggest that SOD Ala16Val polymorphism is an age-dependent modulator of ox-LDL-C levels in middle-aged men and elderly women.
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Andriana C. Kaliora,Aristea Gioxari,Ioanna Panagiota Kalafati,Anastasia Diolintzi,Alexandros Kokkinos,George V. Dedoussis 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.7
Diet is a modifiable key factor targeted in prevention and management of nonalcoholic fatty liver disease (NAFLD). The aim was to study the effect of Mediterranean Diet (MedDiet) on clinical, biochemical, and inflammatory profile in NAFLD patients with simple steatosis. Potential associations of signal transducer and activator of transcription 3 (STAT3) rs2293152 genotype to diet composition and patients' profile were investigated. In this nonrandomized, open-label, 24-week prospective intervention study, 44 untreated NAFLD patients with nonsignificant fibrosis received nutritional counsel to increase adherence to MedDiet. Adherence to MedDiet was estimated with MedDietScore. Furthermore, we genotyped STAT3 rs2293152 single nucleotide polymorphism and performed clinical and inflammatory measurements. In all patients, MedDietScore increased and anthropometric indices improved, whereas liver imaging, liver fibrosis score, blood pressure, fasting glucose, glycated hemoglobin (HbA1c), C-reactive protein (CRP), visfatin, and oxidized low-density lipoprotein levels were also significantly ameliorated compared with baseline (P < .05). No association of STAT3 polymorphism with diet composition was found. Comparisons of mean differences between G- and C-carriers at the end point of the trial showed that only visfatin was significantly associated with the STAT3 genotype (−0.0 ± 4.6 vs. −4.2 ± 3.9, P = .04, respectively). Carrying the G-allele was associated with an increase of the visfatin levels (3.4 ± 1.5 ng/mL, P = .028). Our results show amelioration of clinical, biochemical, and inflammatory biomarkers in NAFLD patients in response to MedDiet. STAT3 rs2293152 G-carriers experienced more beneficial changes at the end of the intervention compared with baseline. An association between visfatin levels and STAT3 genotype has been shown for the first time.
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