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Total 145 results found since Jan 2013.
Preclinical Evaluation of Fingolimod in Rodent Models of Stroke With Age or Atherosclerosis as Comorbidities
This study used a rigorous study design in normal male C57BL/6JOlaHsd mice and in mice with common stroke comorbidities to further evaluate the translational potential of fingolimod. Stroke was induced via middle cerebral artery electrocoagulation in 8-9-week old mice (young mice), 18 month old mice (aged mice), and in high-fat diet-fed 22-week old ApoE-/- mice (hyperlipidaemic mice). Recovery was evaluated using motor behavioural tests 3 and 7 days after stroke. Tissue damage was evaluated at 7 days. A lower dose of fingolimod, 0.5 mg/kg, but not 1 mg/kg, increased lesion size but decreased ipsilateral brain atrophy in yo...
Source: Atherosclerosis - August 1, 2022 Category: Cardiology Authors: Andrea C Diaz Diaz Kyle Malone Jennifer A Shearer Anne C Moore Christian Waeber Source Type: research
Suppression of nitric oxide synthase aggravates non-alcoholic steatohepatitis and atherosclerosis in SHRSP5/Dmcr rat via acceleration of abnormal lipid metabolism
CONCLUSIONS: NOS inhibition simultaneously aggravates NASH and atherosclerosis via hepatic lipid and cholesterol metabolism.PMID:35819592 | DOI:10.1007/s43440-022-00380-1
Source: Atherosclerosis - July 12, 2022 Category: Cardiology Authors: Ikumi Sato Shusei Yamamoto Mai Kakimoto Moe Fujii Koki Honma Shota Kumazaki Mami Matsui Hinako Nakayama Sora Kirihara Shang Ran Shinichi Usui Ryoko Shinohata Kazuya Kitamori Satoshi Hirohata Shogo Watanabe Source Type: research
LncRNA KCNQ1OT1 participates in ox-LDL-induced proliferation/apoptosis imbalance in vascular smooth muscle cells by regulating the miR-196a-5p/FOXO1 axis
Conclusion Aberrant expression of KCNQ1OT1/miR-196a-5p/FOXO1 pathway mediated oxidation low lipoprotein-induced proliferation/apoptosis imbalance in VSMCs.PMID:35802988 | DOI:10.1016/j.jstrokecerebrovasdis.2022.106622
Source: Atherosclerosis - July 8, 2022 Category: Cardiology Authors: Kunsheng Li Hailong Cao Mingqiang Fan Qiuchang Li Qiangnu Zhang Chunwen Jia Dongjin Wang Weipeng Jiang Source Type: research
Resolution of inflammation is disturbed in acute ischemic stroke with diabetes mellitus and rescued by resolvin D2 treatment
CONCLUSIONS: Our data demonstrate resolution of inflammation is impaired by DM in AIS patients, implicating a novel mechanism of un-resolved inflammation in DM-related AIS. Furthermore, RvD2 promotes inflammation resolution in macrophages/microglia and protects DM-related AIS, and may thus serve as a novel therapeutic target.PMID:35750271 | DOI:10.1016/j.freeradbiomed.2022.06.231
Source: Free Radical Biology and Medicine - June 24, 2022 Category: Biology Authors: Xin Tang Lan Liu Zhijuan Miao Jiawei Zhang Xiaolong Cai Bing-Qiao Zhao Gefei Chen Marianne Schultzberg Yuwu Zhao Xiuzhe Wang Source Type: research
Dysregulated Hypothalamic –Pituitary–Adrenal Axis Is Associated With Increased Inflammation and Worse Outcomes After Ischemic Stroke in Diabetic Mice
Diabetic patients have larger infarcts, worse neurological deficits, and higher mortality rate after an ischemic stroke. Evidence shows that in diabetes, the hypothalamic–pituitary–adrenal (HPA) axis was dysregulated and levels of cortisol increased. Based on the role of the HPA axis in immunity, we hypothesized that diabetes-dysregulated stress response exacerbates stroke outcomes via regulation of inflammation. To test this hypothesis, we assessed the regulation of the HPA axis in diabetic mice before and after stroke and determined its relevance in the regulation of post-stroke injury and inflammation. Diabetes was ...
Source: Frontiers in Immunology - June 16, 2022 Category: Allergy & Immunology Source Type: research
IL-19 Regulates Atherosclerotic Plaque Progression via Lymphangiogenesis
CONCLUSION & SUMMARY: These data suggest that IL-19 increases lymphatic vessel formation, potentially allowing RCT to take place to decrease plaque burden in atherosclerosis. Further studies will confirm IL-19's mechanistic pathway in LECs. We will also determine RCT and inflammatory cell trafficking by intravital microscopy. These results have the potential to shift our understanding toward a positive view of the association between the lymphatic system and atherosclerosis.PMID:35554476 | DOI:10.1096/fasebj.2022.36.S1.R5435
Source: Atherosclerosis - May 13, 2022 Category: Cardiology Authors: Amanda Peluzzo Kyle Preston Tani Leigh Sheri Kelemen Michael Autieri Source Type: research
Knockdown of NRSF Alleviates Ischemic Brain Injury and Microvasculature Defects in Diabetic MCAO Mice
Diabetes is one of the well-established risk factors of stroke and is associated with a poor outcome in patients with stroke. Previous studies have shown that the expression of neuron restrictive silencer factor (NRSF) is elevated in diabetes as well as ischemic stroke. However, the role of NRSF in regulating an outcome of diabetic ischemic stroke has not been completely understood. Here, we hypothesized that diabetes-induced NRSF elevation can aggravate brain injury and cognition impairment in ischemic stroke. The diabetic ischemic stroke mice model was established by 8 weeks of high-fat-diet feeding and 5 days of strepto...
Source: Frontiers in Neurology - May 13, 2022 Category: Neurology Source Type: research
Apolipoprotein C3-Rich Low-Density Lipoprotein Induces Endothelial Cell Senescence via FBXO31 and Its Inhibition by Sesamol In Vitro and In Vivo
In this study, we aimed to examine the effects of ApoC3-rich low-density lipoprotein (AC3RL) mediated via FBXO31 on endothelial cell (EC) senescence and its inhibition by sesamol. AC3RL and ApoC3-free low-density lipoproteins (LDL) (AC3(-)L) were isolated from the plasma LDL of patients with ischemic stroke. Human aortic endothelial cells (HAECs) treated with AC3RL induced EC senescence in a dose-dependent manner. AC3RL induced HAEC senescence via DNA damage. However, silencing FBXO31 attenuated AC3RL-induced DNA damage and reduced cellular senescence. Thus, FBXO31 may be a novel therapeutic target for endothelial senescen...
Source: Atherosclerosis - April 23, 2022 Category: Cardiology Authors: Ping-Hsuan Tsai Li-Zhen Chen Kuo-Feng Tseng Fang-Yu Chen Ming-Yi Shen Source Type: research
