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Epitranscriptomics of Ischemic Heart Disease-The IHD-EPITRAN Study Design and Objectives.

ABSTRACT: Epitranscriptomic modifications in RNA can dramatically alter the way our genetic code is deciphered. Cells utilize these modifications not only to maintain physiological processes, but also to respond to extracellular cues and various stressors. Most often, adenosine residues in RNA are targeted, and result in modifications including methylation and deamination. Such modified residues as N-6-methyl-adenosine (m⁶A) and inosine, respectively, have been associated with cardiovascular diseases, and contribute to disease pathologies. The Ischemic Heart Disease Epitranscriptomics and Biomarkers (IHD-EPITRAN) study aims to provide a more comprehensive understanding to their nature and role in cardiovascular pathology. The study hypothesis is that pathological features of IHD are mirrored in the blood epitranscriptome. The IHD-EPITRAN study focuses on m⁶A and A-to-I modifications of RNA. Patients are recruited from four cohorts: (I) patients with IHD and myocardial infarction undergoing urgent revascularization; (II) patients with stable IHD undergoing coronary artery bypass grafting; (III) controls without coronary obstructions undergoing valve replacement due to aortic stenosis and (IV) controls with healthy coronaries verified by computed tomography. The abundance and distribution of m⁶A and A-to-I modifications in blood RNA are charted by quantitative and qualitative methods. Selected other modified nucleosides as well as IHD candidate protein and metabolic biomarkers are measured for reference. The results of the IHD-EPITRAN study can be expected to enable identification of epitranscriptomic IHD biomarker candidates and potential drug targets.

SUBMITTER: Sikorski V

PROVIDER: S-EPMC8235045 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Disability-Adjusted Life Years (DALYs) Due to Ischemic Heart Disease (IHD) Associated with Natural Disasters: A Worldwide Population-Based Ecological Study.

Project description:BackgroundRecent studies have reported an association between natural disasters of various kinds and ischemic heart disease (IHD). We investigated the association between Disability-adjusted life years (DALYs) due to IHD and natural disasters and aimed to assess DALYs as a quantification of the burden of IHD related to natural disasters at the global level.MethodsCountry-specific data of natural disaster impacts DALYs due to IHD and socioeconomic variables were obtained from open sources over the period of 1990-2013 and 2014-2017. A population-based trend ecological design was conducted to estimate the association between trends in DALYs and natural disasters (occurrence, casualties and total damage), adjusting for socioeconomic variables.ResultsMost countries have experienced increases in natural disaster occurrences and decreases in DALYs during this study period. The unadjusted correlation analysis demonstrated a positive and significant correlation between DALYs and natural disasters for females and for both sexes (R = 0.163 and 0.146, p = 0.024 and 0.043), and a marginally significant correlation for males (R = 0.128, p = 0.076). After adjusting for socioeconomic variables, multiple linear regression demonstrated independent associations between the occurrence and DALYs due to IHD for males, females and both sexes (standardized coefficients = 0.192, 0.23 and 0.187, p = 0.016, 0.004 and 0.022).ConclusionsA weak but significantly positive association between natural disaster and IHD was confirmed and quantified at the global level by this DALY metric analysis. Adaptation strategies for natural disaster responses and IHD disease burden reduction need to be developed.

| S-EPMC8086719 | biostudies-literature

The plasma B-type natriuretic peptide levels are low in males with stable ischemic heart disease (IHD) compared to those observed in patients with non-IHD: a retrospective study.

Project description:OBJECTIVE: Although the plasma B-type natriuretic peptide (BNP) level is a marker of heart failure, it is unclear whether BNP per se plays a pivotal role for pathogenic mechanisms underlying the development of ischemic heart disease (IHD). In this study, we retrospectively examined the plasma BNP levels in stable patients with IHD and compared to stable patients with cardiovascular diseases other than IHD. METHODS: The study population was 2088 patients (1698 males and 390 females) who were admitted to our hospital due to IHD (n?=?1,661) and non-IHD (n?=?427) and underwent cardiac catheterization. Measurements of the hemodynamic parameters and blood sampling were performed. RESULTS: The plasma BNP levels were significantly lower in the IHD group than in the non-IHD group (p<0.001). The multiple regression analysis examining the logBNP values showed that age, a male gender, low left ventricular ejection fraction, low body mass index, serum creatinine, atrial fibrillation and IHD per se were significant explanatory variables. When the total study population was divided according to gender, the plasma BNP levels were found to be significantly lower in the IHD group than in the non-IHD group among males (p<0.001), but not females (p?=?NS). Furthermore, a multiple logistic regression analysis of IHD showed the logBNP value to be a significant explanatory variable in males (regression coefficient: -0.669, p<0.001), but not females (p?=?NS). CONCLUSIONS: The plasma BNP levels were relatively low in stable patients with IHD compared with those observed in stable patients with non-IHD; this tendency was evident in males. Perhaps, the low reactivity of BNP is causally associated with IHD in males. We hope that this study will serve as a test of future prospective studies.

| S-EPMC4215845 | biostudies-other

The Pediatric Heart Network Residual Lesion Score Study: Design and objectives.

Project description:ObjectivesThe Residual Lesion Score (RLS) was developed as a novel tool for assessing residual lesions after congenital heart operations based on widely available clinical and echocardiographic characteristics. The RLS ranks postoperative findings as follows: Class 1 (no/trivial residua), Class 2 (minor residua), or Class 3 (major residua or reintervention before discharge for residua). The multicenter prospective RLS study aims to analyze the influence of residual lesions on outcomes in common congenital cardiac operations. We hypothesize that RLS will predict postoperative adverse events, resource utilization, mortality, and reinterventions by 1 year postoperatively.MethodsThe study cohort consisted of infants aged ≤12 months undergoing definitive surgery for complete atrioventricular septal defect, tetralogy of Fallot, dextro-transposition of the great arteries with or without intact ventricular septum, single ventricle (Norwood procedure), and coarctation or interrupted/hypoplastic arch with ventricular septal defect. Children with major congenital or acquired extracardiac anomalies that could independently affect the primary end point, which was number of days alive and out of the hospital within 30 days of surgery (60 days for Norwood procedure), were excluded. Secondary outcomes included ≥1 early major postoperative adverse event; days of intensive care unit and hospital stay, and initial and total ventilator time; mortality/transplant after discharge; unplanned reinterventions after discharge; and cost. All analyses will be performed separately by surgical operation.ConclusionsThis is the first multicenter prospective validation of a tool for surgical outcome assessment and quality improvement specific to congenital heart surgery.

| S-EPMC7225045 | biostudies-literature

Serum miRNA profile in diabetic patients with ischemic heart disease (IHD) as a promising non-invasive biomarker.

Project description:The aim of this study was to conduct a baseline comparison of serum-circulating miRNA in diabetic patients with and without ischemic heart disease. We analysed the expression levels of 798 serum miRNAs using the NanoString nCounter Technology Platform. The prediction of the putative miRNAs targets was performed by the Ingenuity Pathway Analysis (IPA) software. Receiver operating characteristic (ROC) analysis was used to assess the diagnostic value of identified miRNAs. Our data showed that 6 miRNAs are significantly upregulated in type 2 diabetes mellitus (T2DM) patients with IHD compared to T2DM patients without IHD. Functional enrichment analysis of target genes by IPA showed networks and canonical pathways involved in the pathology of the cardiovascular system. All tested miRNAs showed high diagnostic value (AUC > 0.75).

2022-04-13 | GSE185845 | GEO

Prevalence and associated factors of ischemic heart disease (IHD) among patients with diabetes mellitus: a nation-wide, cross-sectional survey.

Project description:BackgroundIschemic Heart Disease (IHD) is the first ranked among most common causes of death involving cardiovascular and other diseases. The information on the prevalence of IHD in Thailand is lacking especially among patients with diabetes mellitus. The objectives of this study were to determine the prevalence of IHD among patients with diabetes mellitus and to determine factors associated with IHD in a nation-wide survey.MethodsA cross-sectional study to assess national outcomes among patients with diabetes who visited 831 public hospitals in Thailand was conducted in 2013 to evaluate status of care among patients with diabetes aged at least 18 years who received medical treatment in the target hospital for the last 12 months.ResultsA total of 25,902 patients with diabetes were included in this study. IHD was detected among 918 patients (3.54%; 95%CI 3.32-3.77). Multivariate analysis was conducted to determine which factors were most associated with IHD, and the results showed age (AORs 1.05; 95%CI 1.04-1.05), being male (AORs 1.78; 95%CI 1.53-2.07), hypertensive comorbidity (AORs 2.10; 95%CI 1.68-2.62), being in Health Region 4 (AORs 1.93; 95%CI 1.54-2.35), presenting hyperglycemic crisis (AORs 1.53; 95%CI 1.14-2.06) and insulin therapy (AORs 1.40; 95%CI 1.17-1.66) were the highest associated factors for IHD in this population.ConclusionOur data emphasized that IHD was a problem among patients with diabetes. Diabetic patients should be regularly assessed for IHD and their risk factors should be better controlled. Moreover, the Ministry of Public Health managers and clinicians should provide further preventative strategies to attenuate cardiovascular disease.

| S-EPMC6062977 | biostudies-literature

The Rotterdam Study: objectives and design update.

Project description:The Rotterdam Study is a prospective cohort study ongoing since 1990 in the city of Rotterdam in the Netherlands. The study targets cardiovascular, neurological, ophthalmological and endocrine diseases. As of 2008 about 15,000 subjects aged 45 years or over comprise the Rotterdam Study cohort. The findings of the Rotterdam Study have been presented in some 600 research articles and reports (see http://www.epib.nl/rotterdamstudy). This article gives the reasons for the study and its design. It also presents a summary of the major findings and an update of the objectives and methods.

| S-EPMC2071967 | biostudies-other

Sex and Gender Differences in Ischemic Heart Disease: Endocrine Vascular Disease Approach (EVA) Study Design.

Project description:Improvements in ischemic heart disease (IHD) management have been unbalanced between sexes, with coronary microvascular dysfunction considered the likely underlying reason. The Endocrine Vascular disease Approach (EVA) is an observational study (Clinicaltrial.gov NCT02737982) aiming to assess sex and gender interactions between coronary circulation, sexual hormones, and platelet function. Consecutive patients with IHD undergoing coronary angiography will be recruited: (1) to assess sex and gender differences in angiographic reperfusion indexes; (2) to evaluate the effects of estrogen/androgen on sex-related differences in myocardial ischemia; (3) to investigate the platelet biology differences between men and women with IHD; (4) to verify sex- and gender-driven interplay between response to percutaneous coronary intervention, platelets, sex hormones, and myocardial damage at baseline and its impact on 12-month outcomes. The integration of sex and gender in this translational project on IHD will contribute to the identification of new targets for further innovative clinical interventions.

| S-EPMC7010648 | biostudies-literature

Chicago Healthy Aging Study: objectives and design.

Project description:Investigators in the Chicago Healthy Aging Study (CHAS) reexamined 1,395 surviving participants aged 65-84 years (28% women) from the Chicago Heart Association Detection Project in Industry (CHA) 1967-1973 cohort whose cardiovascular disease (CVD) risk profiles were originally ascertained at ages 25-44 years. CHAS investigators reexamined 421 participants who were low-risk (LR) at baseline and 974 participants who were non-LR at baseline. LR was defined as having favorable levels of 4 major CVD risk factors: serum total cholesterol level <200 mg/dL and no use of cholesterol-lowering medication; blood pressure 120/?80 mm Hg and no use of antihypertensive medication; no current smoking; and no history of diabetes or heart attack. While the potential of LR status in overcoming the CVD epidemic is being recognized, the long-term association of LR with objectively measured health in older age has not been examined. It is hypothesized that persons who were LR in 1967-1973 and have survived to older age will have less clinical and subclinical CVD, lower levels of inflammatory markers, and better physical performance/functioning and sleep quality. Here we describe the rationale, objectives, design, and implementation of this longitudinal epidemiologic study, compare baseline and follow-up characteristics of participants and nonparticipants, and highlight the feasibility of reexamining study participants after an extended period postbaseline with minimal interim contact.

| S-EPMC3816341 | biostudies-literature

The Rotterdam Study: 2016 objectives and design update.

Project description:The Rotterdam Study is a prospective cohort study ongoing since 1990 in the city of Rotterdam in The Netherlands. The study targets cardiovascular, endocrine, hepatic, neurological, ophthalmic, psychiatric, dermatological, otolaryngological, locomotor, and respiratory diseases. As of 2008, 14,926 subjects aged 45 years or over comprise the Rotterdam Study cohort. The findings of the Rotterdam Study have been presented in over 1200 research articles and reports (see www.erasmus-epidemiology.nl/rotterdamstudy ). This article gives the rationale of the study and its design. It also presents a summary of the major findings and an update of the objectives and methods.

| S-EPMC4579264 | biostudies-literature

The Rotterdam Study: 2012 objectives and design update.

Project description:The Rotterdam Study is a prospective cohort study ongoing since 1990 in the city of Rotterdam in The Netherlands. The study targets cardiovascular, endocrine, hepatic, neurological, ophthalmic, psychiatric, dermatological, oncological, and respiratory diseases. As of 2008, 14,926 subjects aged 45 years or over comprise the Rotterdam Study cohort. The findings of the Rotterdam Study have been presented in over a 1,000 research articles and reports (see www.erasmus-epidemiology.nl/rotterdamstudy ). This article gives the rationale of the study and its design. It also presents a summary of the major findings and an update of the objectives and methods.

| S-EPMC3168750 | biostudies-literature

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