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1.  Self-Monitoring of Blood Glucose in Type 2 Diabetes: Recent Studies 
The increasing role for structured and personalized self-monitoring of blood glucose (SMBG) in management of type 2 diabetes has been underlined by randomized and prospective clinical trials. These include Structured Testing Program (or STeP), St. Carlos, Role of Self-Monitoring of Blood Glucose and Intensive Education in Patients with Type 2 Diabetes Not Receiving Insulin, and Retrolective Study Self-Monitoring of Blood Glucose and Outcome in Patients with Type 2 Diabetes (or ROSSO)-in-praxi follow-up. The evidence for the benefit of SMBG both in insulin-treated and non-insulin-treated patients with diabetes is also supported by published reviews, meta-analyses, and guidelines. A Cochrane review reported an overall effect of SMBG on glycemic control up to 6 months after initiation, which was considered to subside after 12 months. Particularly, the 12-month analysis has been criticized for the inclusion of a small number of studies and the conclusions drawn. The aim of this article is to review key publications on SMBG and also to put them into perspective with regard to results of the Cochrane review and current aspects of diabetes management.
PMCID: PMC3737650  PMID: 23567007
blood glucose; diabetes; glycosylated hemoglobin; self-monitoring; self-monitoring of blood glucose; treatment
2.  The rs10757278 Polymorphism of the 9p21.3 Locus Is Associated with Premature Coronary Artery Disease in Polish Patients 
Recently, genome-wide association studies have revealed a locus associated with coronary artery disease (CAD) and myocardial infarction, namely, 9p21.3. Its participation in the conditioning of the disease has been proven in many populations of European descent, but not yet in Slavs. Allelic variants of the rs10757278 polymorphism functionally affect the activity of the 9p21.3 locus; therefore, we conducted a study to determine whether the rs10757278 is associated with premature CAD in Polish patients. We studied 320 subjects aged 25–55 years, divided into two groups matched by sex and age: (1) patients with angiographically proven premature CAD (n=160), and (2) blood donors as a control group (n=160). The rs10757278 was genotyped using the method of fluorescently labeled allele-specific oligonucleotides. The frequency of the G allele was significantly higher in patients than in controls (58.2% vs. 42.8%, respectively, p=0.011) and was similar to the frequency of the GG homozygotes (30.6% vs. 17.5%, respectively, p=0.006). Both the GG homozygosity (odds ratio [OR]=2.08, 95% confidence interval [CI]: 1.19–3.66) as well as the G allele (OR=1.49, 95% CI: 1.08–2.07) have been associated with CAD in the analyzed population. These variants may be considered as risk factors, also in the Polish population.
doi:10.1089/gtmb.2012.0046
PMCID: PMC3438839  PMID: 22946666
3.  The Role of Self-Monitoring of Blood Glucose in Glucagon-Like Peptide-1-Based Treatment Approaches: A European Expert Recommendation 
The role of glucagon-like peptide (GLP)-1-based treatment approaches for type 2 diabetes mellitus (T2DM) is increasing. Although self-monitoring of blood glucose (SMBG) has been performed in numerous studies on GLP-1 analogs and dipeptidyl peptidase-4 inhibitors, the potential role of SMBG in GLP-1-based treatment strategies has not been elaborated. The expert recommendation suggests individualized SMBG strategies in GLP-1-based treatment approaches and suggests simple and clinically applicable SMBG schemes. Potential benefits of SMBG in GLP-1-based treatment approaches are early assessment of treatment success or failure, timely modification of treatment, detection of hypoglycemic episodes, assessment of glucose excursions, and support of diabetes management and diabetes education. Its length and frequency should depend on the clinical setting and the quality of metabolic control. It is considered to play an important role for the optimization of diabetes management in T2DM patients treated with GLP-1-based approaches.
PMCID: PMC3440044  PMID: 22768899
diabetes; dipeptidyl peptidase-4 inhibitors; glucagon-like peptide-1 analogs; hypoglycemia; self-monitoring; treatment
4.  A common variant in low density lipoprotein receptor-related protein 6 gene (LRP6) is associated with LDL-cholesterol 
Objective
A rare mutation in low density lipoprotein receptor-related protein 6 gene (LRP6) was identified as the primary molecular defect underlying monogenic form of coronary artery disease. We hypothesised that common variants in LRP6 could predispose subjects to elevated LDL-cholesterol (LDL-C).
Methods and Results
12 common (minor allele frequency ≥0.1) single nucleotide polymorphisms in LRP6 were genotyped in 703 individuals from 213 Polish pedigrees (Silesian Cardiovascular Study families). The family-based analysis revealed that the minor allele of rs10845493 clustered with elevated LDL-C in offspring more frequently than expected by chance (p=0.0053). The quantitative analysis restricted to subjects free of lipid-lowering treatment confirmed the association between rs10845493 and age-, sex- and BMI-adjusted circulating levels of LDL-C in families as well as 2 additional populations - 218 unrelated subjects from Silesian Cardiovascular Study replication panel and 1138 individuals from Young Men Cardiovascular Association cohort (p=0.0268, p=0.0476 and p=0.0472, respectively). In the inverse variance weighted meta-analysis of the 3 populations each extra minor allele copy of rs10845493 was associated with 0.14 mmol/L increase in age-, sex- and BMI-adjusted LDL-C (SE=0.05, p=0.0038).
Conclusions
Common polymorphism in the gene underlying monogenic form of coronary artery disease impacts on risk of LDL-C elevation.
doi:10.1161/ATVBAHA.109.185355
PMCID: PMC2814817  PMID: 19667113
gene; genetics; LDL-cholesterol; lipids; association
5.  Association between lipid profile and circulating concentrations of estrogens in young men 
Atherosclerosis  2008;203(1):257-262.
Objectives
Men show higher rates of cardiovascular morbidity and mortality than pre-menopausal women and this sexual dimorphism may be related to sex-specific effects of sex steroids on cardiovascular risk factors. Unlike androgens, estrogens were not extensively investigated in relation to cardiovascular phenotypes in men.
Methods
We examined associations of estradiol and estrone and their precursors (total testosterone and androstenedione) with traditional cardiovascular risk factors (lipids, blood pressure, body mass) in 933 young (median age – 19 years), apparently healthy Polish men.
Results
Total estradiol was associated with total cholesterol (p=0.006) and HDL-cholesterol (p<0.001) and estrone showed the strongest associations with both total cholesterol (p<0.001) and LDL-cholesterol (p<0.001) in the unadjusted ANOVA analysis. In the multivariable adjusted models in which other independent variables were held as constant one standard deviation increase in estradiol level was associated with 6%-standard deviation increase in total cholesterol (standardized B=0.06, p=0.038) and 6%-standard deviation decrease in HDL-cholesterol (standardized B=-0.06, p=0.036). An increase in estrone levels by one standard deviation was associated with respective 12%- and 13%-standard deviation increases in total cholesterol (standardized B=0.12, p<0.001) and LDL-cholesterol levels (standardized B=0.12, p<0.001) after controlling for other predictors of lipids. Estrone correlated linearly with androstenedione (r=0.28, p<0.001) but there was no correlation between estradiol and testosterone. Estrogens retained their independent associations with lipids after adjustment for their biochemical precursors in the multivariable analysis.
Conclusions
Increased levels of estrogens are associated with unfavourable lipid profile in men and that this association is apparent early in life, before cardiovascular disease manifestations.
doi:10.1016/j.atherosclerosis.2008.06.002
PMCID: PMC2693280  PMID: 18639879
lipids; estrogens; sex steroids; association; risk factors
6.  Inverse Associations Between Androgens and Renal Function: The Young Men Cardiovascular Association (YMCA) Study 
American journal of hypertension  2008;22(1):100-105.
BACKGROUND
Men exhibit higher risk of nondiabetic renal diseases than women. This male susceptibility to renal disease may be mediated by gender-specific factors such as sex hormones.
METHODS
We have undertaken a cross-sectional examination of associations between renal function (creatinine clearance estimated based on Cockcroft–Gault equation) and circulating levels of sex steroids (total testosterone, total estradiol, estrone, androstenedione, dehydroepiandrosterone sulfate (DHEA-S), and dihydrotestosterone) in 928 young (mean age: 18.5 ± 1.2 years) men.
RESULTS
Both androstenedione and DHEA-S showed inverse linear associations with renal function in the crude analysis of lean men (those with body mass index (BMI) less than median). However, only DHEA-S retained its association with renal function in lean subjects after adjustment—assuming no changes in other independent variables 1 s.d. increase in DHEA-S was associated with 13%-s.d. decrease in creatinine clearance (P = 0.004). Testosterone decreased across tertiles of creatinine clearance only in the crude analysis of nonlean (BMI greater than median) subjects (P < 0.001). The adjusted regression analysis that assumed no changes in other independent variables showed that 1 s.d. increase in total testosterone was associated with 11%-s.d. decrease in creatinine clearance of nonlean men (P = 0.006). Factor analysis confirmed an inverse association of renal function with both sex steroids and a different pattern of their loadings on glomerular filtration–related factors in lean (DHEA-S) and nonlean (testosterone) subjects.
CONCLUSIONS
Our data may suggest that androgens are inversely associated with estimated renal function in apparently healthy men without history of cardiovascular disease.
doi:10.1038/ajh.2008.307
PMCID: PMC2808108  PMID: 19096379

Results 1-6 (6)