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Total 70 results found since Jan 2013.

Novel potent antiplatelet thrombotic agent derived from biguanide for ischemic stroke.
Abstract Platelet thrombosis is the main pathogeny resulting in the low curability of ischemic stroke, a leading cause of mortality and disability worldwide. Metformin, a biguanide derivative that is the first-line oral medicine for type 2 diabetes, alleviates the severity of ischemic stroke in diabetic patients and suppresses platelet activation in experimental animal model. However, the clinical implementation of commercial biguanide analogs for stroke related to platelet thrombosis remains challenging due to its weak potency, poor pharmacokinetic characteristics and possible hypoglycemia. Here, twenty-three big...
Source: European Journal of Medicinal Chemistry - May 17, 2020 Category: Chemistry Authors: Xin G, Ming Y, Ji C, Wei Z, Li S, Morris-Natschke SL, Zhang X, Yu K, Li Y, Zhang B, Zhang J, Xing Z, He Y, Chen Z, Yang X, Niu H, Lee KH, Huang W Tags: Eur J Med Chem Source Type: research

The emerging role of microRNA in stroke.
Abstract MicroRNAs (miRNAs) are small non-coding RNAs approximately 22 nucleotides in length that play a pivotal role in post-transcriptional gene regulation by binding to complementary sites in the 3'-untranslated region of messenger RNAs. In the past decade, their role in several human diseases, from cancer to cardiovascular disease, has been established by a wealth of evidence. Stroke is responsible for 10% of deaths worldwide and is one of the leading causes of disability. MiRNAs are involved in stroke risk factors including hypertension, atherosclerosis, atrial fibrillation, diabetes and dyslipidemia. The rol...
Source: Current Topics in Medicinal Chemistry - May 31, 2013 Category: Chemistry Authors: Koutsis G, Siasos G, Spengos K Tags: Curr Top Med Chem Source Type: research

Assessment of atherosclerosis in ischemic stroke by means of ultrasound of extracranial/intracranial circulation and serum, urine, and tissue biomarkers
Curr Med Chem. 2022 Aug 17. doi: 10.2174/0929867329666220817123442. Online ahead of print.ABSTRACTIt is a common practice to take into consideration: age, diabetes, smoking, treated and untreated systolic blood pressure, total cholesterol, high-density lipoprotein cholesterol for the prediction of atherosclerosis and stroke. There are, however, ultrasound markers in use for the assessment of atherosclerosis and the evaluation of stroke risk. Two areas of investigation are of interest: the carotid artery and the intracranial arterial circulation. Again, within the domain of the carotid artery, two ultrasonic markers have at...
Source: Current Medicinal Chemistry - August 18, 2022 Category: Chemistry Authors: Grigorios G Dimas Maria Zilakaki Argyrios Giannopoulos Stylianos Daios Nikolaos Kakaletsis Georgia Kaiafa Triantafyllos Didangelos Christos Savopoulos Kyriakos Ktenidis Thomas Tegos Source Type: research

Molecules, Vol. 28, Pages 390: Sigma-1 Receptor Activation Improves Oligodendrogenesis and Promotes White-Matter Integrity after Stroke in Mice with Diabetic Mellitus
In this study, C57BL/6 mice were treated with high-fat diets (HFDs) combined with streptozotocin (STZ) injection to mimic type 2 diabetes mellitus (T2DM). Focal cerebral ischemia in T2DM mice was established via injection of the vasoconstrictor peptide endothelin-1 (ET-1) into the hippocampus. Three different treatment plans were used in this study. In one plan, 1 mg/kg of PRE084 (intraperitoneally) was administered for 7 d before ET-1 injection; the mice were sacrificed 24 h after ET-1 injection. In another plan, PRE084 treatment was initiated 24 h after ET-1 injection and lasted for 7 d. In the third plan, PRE084 treatme...
Source: Molecules - January 2, 2023 Category: Chemistry Authors: Wenjing Song Yang Yao Heling Zhang Xin Hao Liping Zhou Zhixiao Song Tiantian Wei Tianyan Chi Peng Liu Xuefei Ji Libo Zou Tags: Article Source Type: research

Comparison of Cardiac Troponins I and T Measured with High-Sensitivity Methods for Evaluation of Prognosis in Atrial Fibrillation: An ARISTOTLE Substudy Proteomics and Protein Markers
CONCLUSIONS: cTnI and cTnT concentrations are moderately correlated and measurable in plasma of most AF patients. The risk of stroke and cardiovascular events is highest when both troponins are above median concentrations. Each troponin provides comparable prognostic information when combined with clinical risk factors. ClinicalTrials.gov/NCT00412984
Source: Clinical Chemistry - January 28, 2015 Category: Chemistry Authors: Hijazi, Z., Siegbahn, A., Andersson, U., Lindahl, B., Granger, C. B., Alexander, J. H., Atar, D., Gersh, B. J., Hanna, M., Harjola, V.-P., Horowitz, J., Husted, S., Hylek, E. M., Lopes, R. D., McMurray, J. J. V., Wallentin, L. Tags: Proteomics and Protein Markers Source Type: research

The NOX1/4 Inhibitor GKT136901 as Selective and Direct Scavenger of Peroxynitrite.
Abstract NADPH oxidases (NOX), catalyzing the reduction of molecular oxygen to form the superoxide radical anion (.O2-) and hydrogen peroxide (H2O2), are involved in several pathological conditions, such as stroke, diabetes, atherosclerosis, but also in chronic neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, or multiple sclerosis. GKT136901 is a novel NOX-1/4 inhibitor with potential application in the areas of diabetic nephropathy, stroke, or neurodegeneration. In the present study, we investigated additional pharmacological activities of the compound with respect to direct free radic...
Source: Current Medicinal Chemistry - July 8, 2013 Category: Chemistry Authors: Schildknecht S, Weber A, Gerding HR, Pape R, Robotta M, Drescher M, Marquardt A, Daiber A, Ferger B, Leist M Tags: Curr Med Chem Source Type: research

Role Of Glp-1 Analogs In The Management Of Diabetes And Its Secondary Complication
Mini Rev Med Chem. 2021 Apr 21. doi: 10.2174/1389557521666210422114909. Online ahead of print.ABSTRACTThe cardiovascular complications of type 2 diabetes mellitus (T2DM) include myocardial infarction, heart failure, peripheral vascular disease and, stroke and retinopathy, nephropathy and neuropathy are microvascular complications. While the newer therapies like glitazones or even dipeptidyl-peptidase-IV (DPP-IV) inhibitors increase the risk of therapy, the Glucagon Like Peptide-1 Receptor Agonists (GLP-1RAs), were reported as suitable alternates. The GLP-1RAs reduce the major adverse cardiovascular events (MACE), have anti...
Source: Mini Reviews in Medicinal Chemistry - April 23, 2021 Category: Chemistry Authors: Ponnurengam Malliappan Sivakumar B Premkumar Prabhawathi Veluchamy Pranav Kumar Prabhakar Source Type: research

Insulin secretion and interleukin-1β dependent mechanisms in human diabetes remission after metabolic surgery.
Abstract To compare endocrine, metabolic, and inflammatory changes induced by gastric bypass (GB) and sleeve gastrectomy (SG) in patients with type 2 diabetes mellitus (T2DM), and to investigate the mechanisms of success after metabolic surgery. Sixteen GB and 16 SG patients were followed up before and at 1 year after surgery. The 75-g oral glucose tolerance test (OGTT) was performed before and after surgery. Glucose homeostasis, serum interleukin-1β, plasma gut hormones and adipokines, and the United Kingdom Prospective Diabetes Study (UKPDS) ten-year cardiovascular risks were evaluated. The diabetes remission r...
Source: Current Medicinal Chemistry - May 22, 2013 Category: Chemistry Authors: Chen CY, Lee WJ, Asakawa A, Fujitsuka N, Chong K, Chen SC, Lee SD, Inui A Tags: Curr Med Chem Source Type: research

Micrornas In Cardiovascular Therapeutics.
Abstract Recent research reveals the crucial role microRNAs (miRNAs) in the pathogenesis and progression of many pathological conditions, including cardiovascular diseases. It is widely documented that miRNAs represent critical regulators of cardiovascular function and participate in almost all aspects of cardiovascular biology. In particular, they are involved in several pathophysiological pathways of various manifestations of cardiovascular disease, such as coronary artery disease, heart failure, stroke, diabetes mellitus, arterial hypertension and cardiac arrhythmias. In the present article we review the availa...
Source: Current Topics in Medicinal Chemistry - May 31, 2013 Category: Chemistry Authors: Siasos G, Tousoulis D, Tourikis P, Mazaris S, Zakynthinos G, Oikonomou E, Kokkou E, Kollia C, Stefanadis C Tags: Curr Top Med Chem Source Type: research

In Silico Identification of Potential Dynamin-Related Protein 1 Antagonists: Implications for Diseases Involving Mitochondrial Dysfunction.
In this study, an integrated in silico strategy that includes homology modeling, pharmacophoric, docking analysis and molecular dynamics simulations was employed in designing the potential Drp1 inhibitors. A homology model of Drp1 was generated employing crystal structure of dynamin protein as a template. Pharmacophoric features were developed for the GTPase domain of dynamin-related protein 1 and were used to screen ZINC-database. The obtained hits were docked to the same domain. The binding mode analysis of these ligands showed all the essential binding interactions required in the inhibition of Drp1. Furthermore, explic...
Source: Combinatorial Chemistry and High Throughput Screening - July 8, 2013 Category: Chemistry Authors: Pradeep H, Rajanikant GK Tags: Comb Chem High Throughput Screen Source Type: research