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- Maron, David J., et al.
(author)
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Initial Invasive or Conservative Strategy for Stable Coronary Disease
- 2020
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In: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 382:15, s. 1395-1407
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Journal article (peer-reviewed)abstract
- Background: Among patients with stable coronary disease and moderate or severe ischemia, whether clinical outcomes are better in those who receive an invasive intervention plus medical therapy than in those who receive medical therapy alone is uncertain.Methods: We randomly assigned 5179 patients with moderate or severe ischemia to an initial invasive strategy (angiography and revascularization when feasible) and medical therapy or to an initial conservative strategy of medical therapy alone and angiography if medical therapy failed. The primary outcome was a composite of death from cardiovascular causes, myocardial infarction, or hospitalization for unstable angina, heart failure, or resuscitated cardiac arrest. A key secondary outcome was death from cardiovascular causes or myocardial infarction.Results: Over a median of 3.2 years, 318 primary outcome events occurred in the invasive-strategy group and 352 occurred in the conservative-strategy group. At 6 months, the cumulative event rate was 5.3% in the invasive-strategy group and 3.4% in the conservative-strategy group (difference, 1.9 percentage points; 95% confidence interval [CI], 0.8 to 3.0); at 5 years, the cumulative event rate was 16.4% and 18.2%, respectively (difference, -1.8 percentage points; 95% CI, -4.7 to 1.0). Results were similar with respect to the key secondary outcome. The incidence of the primary outcome was sensitive to the definition of myocardial infarction; a secondary analysis yielded more procedural myocardial infarctions of uncertain clinical importance. There were 145 deaths in the invasive-strategy group and 144 deaths in the conservative-strategy group (hazard ratio, 1.05; 95% CI, 0.83 to 1.32).Conclusions: Among patients with stable coronary disease and moderate or severe ischemia, we did not find evidence that an initial invasive strategy, as compared with an initial conservative strategy, reduced the risk of ischemic cardiovascular events or death from any cause over a median of 3.2 years. The trial findings were sensitive to the definition of myocardial infarction that was used. (Funded by the National Heart, Lung, and Blood Institute and others; ISCHEMIA ClinicalTrials.gov number, .) Patients with stable coronary disease were randomly assigned to an initial invasive strategy with angiography and revascularization if appropriate or to medical therapy alone. At 3.2 years, there was no significant difference between the groups with respect to the estimated rate of ischemic events. The findings were sensitive to the definition of myocardial infarction.
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- Ravindranath, K. B., et al.
(author)
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A correlative approach in 3D structures of potential Alzheimer disease inhibitors
- 2023
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In: Journal of Molecular Structure. - : Elsevier. - 0022-2860 .- 1872-8014. ; 1287
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Journal article (peer-reviewed)abstract
- In this study, two potential inhibitors (3-(5-(2,4 dichlorophenoxy)-3-methyl-1-phenyl-1H-pyrazol-4-methyl-1H pyrazol-4-yl)-1-(thiophene-2-yl)prop-2-en-1-one):I and 3-(5-(2,4-dichlorophenoxy)-3-methyl-1-phenyl-1H-pyr-azol-4-methyl-1H-pyrazol-4-yl)-1-(furan-2-yl)prop-2-en-1-one):II) for Alzheimer's disease are synthesized and characterized for their physical, chemical and biological properties using an hybrid approaches of experimental and theoretical studies. The three-dimensional structures are determined using single crystal X-ray diffraction. In addition, theoretical approaches density functional and quantum calculations were performed for the compar-ison with the experimental data. The crystal packing analysis were carried out using Hirshfeld surfaces, 3D energy frameworks and QTAIM studies of the molecules for various properties discussed above. Biological importance of the molecules was confirmed by docking them against JNK3 inhibitor.
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- Zhou, D, et al.
(author)
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Low copy numbers of complement C4 and C4A deficiency are risk factors for myositis, its subgroups and autoantibodies
- 2023
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In: Annals of the rheumatic diseases. - : BMJ. - 1468-2060 .- 0003-4967. ; 82:2, s. 235-245
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Journal article (peer-reviewed)abstract
- Idiopathic inflammatory myopathies (IIM) are a group of autoimmune diseases characterised by myositis-related autoantibodies plus infiltration of leucocytes into muscles and/or the skin, leading to the destruction of blood vessels and muscle fibres, chronic weakness and fatigue. While complement-mediated destruction of capillary endothelia is implicated in paediatric and adult dermatomyositis, the complex diversity of complementC4in IIM pathology was unknown.MethodsWe elucidated the gene copy number (GCN) variations of totalC4,C4AandC4B, longandshort genesin 1644 Caucasian patients with IIM, plus 3526 matched healthy controls using real-time PCR or Southern blot analyses. Plasma complement levels were determined by single radial immunodiffusion.ResultsThe large study populations helped establish the distribution patterns of variousC4GCN groups. Low GCNs ofC4T(C4T=2+3) andC4Adeficiency (C4A=0+1) were strongly correlated with increased risk of IIM with OR equalled to 2.58 (2.28–2.91), p=5.0×10−53forC4T, and 2.82 (2.48–3.21), p=7.0×10−57forC4Adeficiency. Contingency and regression analyses showed that among patients withC4Adeficiency, the presence ofHLA-DR3became insignificant as a risk factor in IIM except for inclusion body myositis (IBM), by which 98.2% hadHLA-DR3with an OR of 11.02 (1.44–84.4). Intragroup analyses of patients with IIM for C4 protein levels and IIM-related autoantibodies showed that those with anti-Jo-1 or with anti-PM/Scl had significantly lower C4 plasma concentrations than those without these autoantibodies.ConclusionsC4Adeficiency is relevant in dermatomyositis,HLA-DRB1*03is important in IBM and bothC4Adeficiency andHLA-DRB1*03contribute interactively to risk of polymyositis.
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