{"title":"TRUST Technique for Neurointervention: A Promising Alternative for Complex Cases.","authors":"Xinzhao Jiang, Peng Wang, Fang Liu, Huadong Wu, Peng Jiang, Ruozhen Yuan, Sheng Zhang, Zongjie Shi","doi":"10.2174/0115672026291503240105093155","DOIUrl":"10.2174/0115672026291503240105093155","url":null,"abstract":"<p><strong>Background: </strong>Neurointervention via Transradial Access (TRA) is becoming increasingly popular as experience with this technique increases. However, approximately 8.6-10.3% of complex TRA cases are converted to femoral access due to a lack of support or radial artery spasm. This study aimed to assess the efficacy and safety of the TRUST (trans-radial coaxial catheter technique using a short sheath, Simmons catheter, and Tethys intermediate catheter) technique in interventional procedures via TRA.</p><p><strong>Methods: </strong>This was a single-center retrospective analysis of 16 patients admitted to our institute between January 2023 to May 2023 to undergo endovascular interventions with the TRUST technique via the TRA.</p><p><strong>Results: </strong>The mean age of the study population was 63.8 years, and 62.5% were male (10/16). The most common procedure was intracranial atherosclerotic stenosis (93.75%, 15/16). All procedures were performed successfully, and the most common procedures in our cohort were ballooning (50.0%, 8/16), stenting (18.75%, 3/16), and both procedures combined (31.25%, 1/16). All procedures were performed using the TRA, and the distal and proximal radial arteries were used for access in 31.35% (5/16) and 68.75% (11/16) of the cases, respectively. Technical success was achieved in all patients and most cases demonstrated mTICI ≥2b recanalization (93.75%, 15/16). In this case, no major access-site complications occurred.</p><p><strong>Conclusion: </strong>The TRUST technique is technically safe and feasible and had a high technical success rate and low complication rate in our study. These results demonstrate that the TRUST technique is a promising alternative for patients undergoing complex neurointerventions.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11348452/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139682162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wenxin Yuan, Lu An, Yunchao Wang, Ce Zong, Yinghao Yang, Hua Jin, Yuan Gao, Limei Wang, Yusheng Li, Yuming Xu, Yan Ji
{"title":"Analysis of the Relationship between Recent Small Subcortical Infarcts and Autonomic Nervous Dysfunction.","authors":"Wenxin Yuan, Lu An, Yunchao Wang, Ce Zong, Yinghao Yang, Hua Jin, Yuan Gao, Limei Wang, Yusheng Li, Yuming Xu, Yan Ji","doi":"10.2174/0115672026303708240321035356","DOIUrl":"10.2174/0115672026303708240321035356","url":null,"abstract":"<p><strong>Objective: </strong>Autonomic Nervous System (ANS) dysfunction may be involved in the pathogenesis of Cerebral Small Vessel Disease (CSVD). The study aimed to explore the relationship between Recent Small Subcortical Infarct (RSSI) and Blood Pressure Variability (BPV), and Heart Rate Variability (HRV).</p><p><strong>Methods: </strong>A total of 588 patients from the CSVD registration research database of Henan Province were included in this study, and were divided into two groups according to the presence of RSSI. Clinical data, including demographic characteristics, disease history, laboratory indexes, 24-hour ambulatory blood pressure and electrocardiogram indicators, and imaging markers of CSVD, were collected. Univariate and binary logistic regression analyses were used to study the relationship between RSSI and indicators of laboratory, HRV and BPV in the CSVD population.</p><p><strong>Results: </strong>Multivariate analysis showed that higher 24-hour mean Diastolic Blood Pressure (DBP)[Odds Ratios (OR)=1.083,95% Confidence Intervals (CI)=(1.038,1.129), p < 0.001], Standard Deviation (SD) of 24-hour DBP [OR=1.059,95%CI=(1.000,1.121), p = 0.049], nocturnal mean Systolic Blood Pressure (SBP) [OR=1.020,95%CI=(1.004,1.035), p = 0.012], nocturnal mean DBP [OR=1.025,95%CI=(1.009,1.040), p = 0.002] were independent risk factors for RSSI. In contrast, the decrease of the standard deviation of N-N intervals (SDNN) [OR=0.994,95%CI=(0.989,1.000), p = 0.035] was beneficial to the occurrence of RSSI. In addition, neutrophil counts [OR=1.138,95%CI=(1.030,1.258), p = 0.011], total cholesterol (TC) [OR=1.203,95%CI=(1.008,1.437), p = 0.041] and High-Density Lipoprotein (HDL) [OR=0.391, 95%CI=(0.195,0.786), p = 0.008] were also independently associated with the occurrence of RSSI. After adjusting for confounding factors, except for TC, the other factors remained associated with the occurrence of RSSI.</p><p><strong>Conclusion: </strong>Increased 24-hour mean DBP, nocturnal mean SBP and DBP, SD of 24-hour DBP and decreased SDNN were independently correlated with RSSI occurrence, suggesting that sympathetic overactivity plays a role in the pathogenesis of RSSI.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140338274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Safety of Mechanical Thrombectomy for Acute Ischemic Stroke in Patients with Thrombocytopenia.","authors":"Sujie Zheng, Fang Liu, Liang Yu, Xinzhao Jiang, Xiaoyan Wen, Xu Wang, Zongjie Shi","doi":"10.2174/0115672026296867240626120014","DOIUrl":"10.2174/0115672026296867240626120014","url":null,"abstract":"<p><strong>Background and aim: </strong>The impact of low platelet count on outcomes in patients with Acute Ischemic Stroke (AIS) undergoing Mechanical Thrombectomy (MT) is still unclear. In this study we have further explored the effect of thrombocytopenia on the safety and efficacy of MT in patients with anterior circulation Large Vessel Occlusion (LVO) stroke.</p><p><strong>Materials and methods: </strong>Patients with AIS who underwent MT at our center between June 2015 and November 2021 were examined. Based on the platelet count recorded on admission patients were divided into two groups: those with thrombocytopenia (<150 × 10<sup>9</sup>/L) and those without thrombocytopenia (≥ 150 × 10<sup>9</sup>/L). Symptomatic Intracranial Hemorrhage (sICH) was the primary safety outcome. The efficacy outcome was functional independence defined as a 90-day modified Rankin Scale (mRS) score of 0-2. Multivariate logistic regression models were used to determine the risk factors for post-procedure sICH and 90-day functional outcomes.</p><p><strong>Results: </strong>Among 302 patients included in the study, thrombocytopenia was detected in 111 (36.8%) cases. Univariate analysis showed age, the proportion of atrial fibrillation, the rates of sICH, 90-day poor outcomes, and mortality to be higher in patients with thrombocytopenia (all p <0.05). Multivariable analysis showed thrombocytopenia to be independently associated with a higher rate of sICH (OR 2.022, 95% CI 1.074-3.807, p =0.029) however, thrombocytopenia did not affect the 90-day functional outcomes (OR 1.045, 95%CI 0.490-2.230, p =0.909) and mortality (OR 1.389, 95% CI 0.467- 4.130 p = 0.554).</p><p><strong>Conclusion: </strong>Thrombocytopenia may increase the risk of sICH but not affect the 90-day functional outcomes and mortality in patients with AIS treated with MT.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141581858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cerebral Small Vessel Disease Burden in Patients with Transient Global Amnesia and its Relationship with Recurrence.","authors":"Zhi-Li Wang, Simeng Wang, Dongtao Liu, Yuelei Lyu, Wei Qin, Wenli Hu","doi":"10.2174/0115672026309418240322060729","DOIUrl":"10.2174/0115672026309418240322060729","url":null,"abstract":"<p><strong>Objective: </strong>Cerebral Small Vessel Disease (CSVD) has not been systematically studied in patients with Transient Global Amnesia (TGA). We aimed to investigate the CSVD burden in patients with TGA and its relationship with TGA recurrence.</p><p><strong>Methods: </strong>We retrospectively examined 69 patients diagnosed with TGA in a single center between January 2015 and November 2023. The overall CSVD burden and single CSVD imaging markers, including enlarged perivascular spaces in the hippocampus (H-EPVS), were measured in each patient and compared with those in 69 age- and sex-matched healthy controls. Multivariate logistic regression was performed to determine independent predictors of recurrence.</p><p><strong>Results: </strong>Of the 69 included patients, 40 (58%) were female, and the median age was 67 years (range 42-83 years). Twenty-one patients (30.4%) showed dot-like hippocampal hyperintensities on diffusion-weighted imaging (DWI). The mean follow-up was 51 months. Sixteen patients (23.2%) experienced TGA recurrence. The burden of overall CSVD, lacunes, WMH, EPVS, and extensive H-EPVS was higher in TGA patients than in controls. TGA patients who experienced recurrence had a heavier overall CSVD burden, lower frequency of hippocampal DWI hyperintensities, and longer follow-up duration than those who had with single episode. In the multivariate analysis, only follow-up duration was an independent predictor of TGA recurrence.</p><p><strong>Conclusion: </strong>The overall CSVD burden and extensive H-EPVS burden were higher in patients with TGA than healthy controls. Follow-up duration but not overall CSVD burden may predict TGA recurrence.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140320178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Migraine Disorders, Neurovascular Disease, and the Underlying Role of Oxidative Stress.","authors":"Kenneth Maiese","doi":"10.2174/1567202621999240223164624","DOIUrl":"10.2174/1567202621999240223164624","url":null,"abstract":"","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139975075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qian Sun, Sheng-Nan Chen, Si-Yuan Yu, Fen Wang, Xiang Fu, Rui Chen, Jie Li
{"title":"Lower Melatonin Indicates Poor Short-term Prognosis in Patients with Acute Ischemic Stroke.","authors":"Qian Sun, Sheng-Nan Chen, Si-Yuan Yu, Fen Wang, Xiang Fu, Rui Chen, Jie Li","doi":"10.2174/0115672026302380240307091232","DOIUrl":"10.2174/0115672026302380240307091232","url":null,"abstract":"<p><strong>Aims: </strong>We evaluated endogenous melatonin levels in the acute phase of cerebral infarction and explored the impact of possible changes in melatonin levels on the prognosis of patients.</p><p><strong>Methods: </strong>This study recruited acute ischemic stroke (AIS) patients from the Department of the Second Affiliated Hospital of Soochow University between December 2019 and June 2021, along with healthy control subjects. Salivary melatonin samples were collected from each participant between 7 pm and 10 pm, and fasting plasma was collected the following morning to measure the levels of inflammatory markers. The prognosis was assessed through follow-up three months after discharge. The relationship between melatonin levels and plasma inflammatory markers was assessed, followed by an analysis of the effect of melatonin levels on patient prognosis.</p><p><strong>Results: </strong>The study enrolled a total of 160 participants, including 120 AIS patients aged 50 years or older (61.7% male) and 40 age-matched controls (55.0% male). The AIS group exhibited lower salivary melatonin levels at 19 (P = 0.002), 20 (P < 0.001), 21 (P < 0.001), and 22 (P < 0.001) o'clock, and the average melatonin level was also lower (P < 0.001). Logistic regression analysis models indicated an association between low melatonin levels and poor prognosis. Salivary melatonin levels demonstrated good predictive ability for the prognosis of AIS patients.</p><p><strong>Conclusion: </strong>Melatonin levels were lower in AIS patients compared to controls. In addition, lower melatonin levels were associated with a poorer prognosis among AIS patients.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140103018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mendelian Randomization Highlights Gut Microbiota of Short-chain Fatty Acids' Producer as Protective Factor of Cerebrovascular Disease.","authors":"Shihang Luo, Rui Mao, Yi Li","doi":"10.2174/0115672026299307240321090030","DOIUrl":"10.2174/0115672026299307240321090030","url":null,"abstract":"<p><strong>Background: </strong>Recent research advancements have indicated a potential association between gut microbiota and cerebrovascular diseases, although the precise causative pathways and the directionality of this association remain to be fully elucidated.</p><p><strong>Objective: </strong>This study utilized a bidirectional two-sample Mendelian Randomization (MR) methodology to explore the causal impact of gut microbiota compositions on the risk of cerebrovascular disease.</p><p><strong>Methods: </strong>Genome-wide Association Study (GWAS) data pertaining to gut microbiota were obtained from the MiBioGen consortium. For Ischemic Stroke (IS), Transient Ischemic Attack (TIA), Vascular Dementia (VD), and Subarachnoid Hemorrhage (SAH), GWAS summary data were sourced from the FinnGen consortium, the IEU Open GWAS project, and the GWAS catalog, respectively.</p><p><strong>Results: </strong>Our MR analyses identified that specific bacterial strains, notably those involved in the production of Short-chain Fatty Acids (SCFAs), including Barnesiella, Ruminococcus torques group, and Coprobacter, serve as protective factors against IS, TIA, and SAH. Linkage Disequilibrium Score Regression (LDSC) analysis corroborated a significant genetic correlation between these gut microbiota strains and various forms of cerebrovascular disease. In contrast, reverse MR analysis failed to establish a bidirectional causal relationship between genetically inferred gut microbiota profiles and these cerebrovascular conditions.</p><p><strong>Conclusion: </strong>This investigation has pinpointed particular strains of gut microbiota that play protective or detrimental roles in cerebrovascular disease pathogenesis. These findings offer valuable insights that could be pivotal for the clinical management, prevention, and treatment of cerebrovascular diseases.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140320179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jianbin Sun, Tong Zhang, Chaoying Tang, Shuhang Fan, Qin Wang, Da Liu, Na Sai, Qi Ji, Weiwei Guo, Weiju Han
{"title":"Activation of Src Kinase Mediates the Disruption of Adherens Junction in the Blood-labyrinth Barrier after Acoustic Trauma.","authors":"Jianbin Sun, Tong Zhang, Chaoying Tang, Shuhang Fan, Qin Wang, Da Liu, Na Sai, Qi Ji, Weiwei Guo, Weiju Han","doi":"10.2174/0115672026320884240620070951","DOIUrl":"10.2174/0115672026320884240620070951","url":null,"abstract":"<p><strong>Background: </strong>Adherens junction in the blood-labyrinth barrier is largely unexplored because it is traditionally thought to be less important than the tight junction. Since increasing evidence indicates that it actually functions upstream of tight junction adherens junction may potentially be a better target for ameliorating the leakage of the blood-labyrinth barrier under pathological conditions such as acoustic trauma.</p><p><strong>Aims: </strong>This study was conducted to investigate the pathogenesis of the disruption of adherens junction after acoustic trauma and explore potential therapeutic targets.</p><p><strong>Methods: </strong>Critical targets that regulated the disruption of adherens junction were investigated by techniques such as immunofluorescence and Western blotting in C57BL/6J mice.</p><p><strong>Results: </strong>Upregulation of Vascular Endothelial Growth Factor (VEGF) and downregulation of Pigment Epithelium-derived Factor (PEDF) coactivated VEGF-PEDF/VEGF receptor 2 (VEGFR2) signaling pathway in the stria vascularis after noise exposure. Downstream effector Src kinase was then activated to degrade VE-cadherin and dissociate adherens junction, which led to the leakage of the blood-labyrinth barrier. By inhibiting VEGFR2 or Src kinase, VE-cadherin degradation and blood-labyrinth barrier leakage could be attenuated, but Src kinase represented a better target to ameliorate blood-labyrinth barrier leakage as inhibiting it would not interfere with vascular endothelium repair, neurotrophy and pericytes proliferation mediated by upstream VEGFR2.</p><p><strong>Conclusion: </strong>Src kinase may represent a promising target to relieve noise-induced disruption of adherens junction and hyperpermeability of the blood-labyrinth barrier.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141452526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Causal Effects of Blood Metabolites and Obstructive Sleep Apnea: A Mendelian Randomization Study.","authors":"Jing-Hao Wu, Ying-Hao Yang, Yun-Chao Wang, Wen-Kai Yu, Shan-Shan Li, Yun-Yun Mei, Ce-Zong, Zi-Han Zhou, Hang-Hang Zhu, Liu-Chang He, Xin-Yu Li, Chang-He Shi, Yu-Sheng Li","doi":"10.2174/0115672026266627230921052416","DOIUrl":"10.2174/0115672026266627230921052416","url":null,"abstract":"<p><strong>Background: </strong>Obstructive sleep apnea (OSA) is one of the most common forms of sleep-disordered breathing. Studies have shown that certain changes in metabolism play an important role in the pathophysiology of OSA. However, the causal relationship between these metabolites and OSA remains unclear.</p><p><strong>Aims: </strong>We use a mendelian randomization (MR) approach to investigate the causal associations between the genetic liability to metabolites and OSA.</p><p><strong>Methods: </strong>We performed a 2-sample inverse-variance weighted mendelian randomization analysis to evaluate the causal effects of genetically determined 486 metabolites on OSA. Multiple sensitivity analyses were performed to assess pleiotropy. We used multivariate mendelian randomization analyses to assess confounding factors and mendelian randomization Bayesian model averaging to rank the significant biomarkers by their genetic evidence. We also conducted a metabolic pathway analysis to identify potential metabolic pathways.</p><p><strong>Results: </strong>We identified 14 known serum metabolites (8 risk factors and 6 protective factors) and 12 unknown serum metabolites associated with OSA. These 14 known metabolites included 8 lipids( 1-arachidonoylglycerophosphoethanolamine, Tetradecanedioate, Epiandrosteronesulfate, Acetylca Glycerol3-phosphate, 3-dehydrocarnitine, Margarate17:0, Docosapentaenoaten3;22:5n3), 3 Aminoacids (Isovalerylcarnitine,3-methyl-2-oxobutyrate,Methionine), 2 Cofactors and vitamins [Bilirubin(E,ZorZ,E),X-11593--O-methylascorbate], 1Carbohydrate(1,6-anhydroglucose). We also identified several metabolic pathways that involved in the pathogenesis of OSA.</p><p><strong>Conclusion: </strong>MR (mendelian randomization) approach was performed to identify 6 protective factors and 12 risk factors for OSA in the present study. 3-Dehydrocarnitine was the most significant risk factors for OSA. Our study also confirmed several significant metabolic pathways that were involved in the pathogenesis of OSA. Valine, leucine and isoleucine biosynthesis metabolic pathways were the most significant metabolic pathways that were involved in the pathogenesis of OSA.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50159529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Overexpression of MiR-188-5p Downregulates IL6ST/STAT3/ NLRP3 Pathway to Ameliorate Neuron Injury in Oxygen-glucose Deprivation/Reoxygenation.","authors":"Yujie Hu, Ganlan Wang, Guoshuai Yang","doi":"10.2174/0115672026313555240515103132","DOIUrl":"10.2174/0115672026313555240515103132","url":null,"abstract":"<p><strong>Background: </strong>CI/R, characterized by ischemic injury following abrupt reestablishment of blood flow, can cause oxidative stress, mitochondrial dysfunction, and apoptosis. We used oxygen-glucose deprivation/reoxygenation (OGD/R) induced injury in HT22 and primary mouse cortical neurons (MCN) as a model for CI/R.</p><p><strong>Objective: </strong>This study investigates the role of miR-188-5p in hippocampal neuron cell injury associated with Cerebral Ischemia-Reperfusion (CI/R).</p><p><strong>Methods: </strong>HT22 and MCN cells were induced by OGD/R to construct an <i>in vitro</i> model of CI/R. Cell apoptosis and proliferation were assessed using flow cytometry and the Cell Counting Kit-8 (CCK8). ELISA was conducted to measure the levels of IL-1β, IL-6, and TNF-α. Moreover, the interaction between miR-188-5p and IL6ST was investigated using dual luciferase assay, the expression of miR-188-5p, Bax, cleaved-caspase3, IL-6, Bcl-2, IL-1β, TNF-α, IL6ST, NFκB, NLRP3 and STAT3 was evaluated using RT-qPCR or Western blot, and immunofluorescence was used to analyze the co-expression of p-STAT3 and NLRP3 in neuronal cells.</p><p><strong>Results: </strong>OGD/R reduced proliferation and miR-188-5p levels and increased IL6ST expression, inflammation, and apoptosis in HT22 and MCN cells. Moreover, miR-188-5p was found to bind to IL6ST. Mimics of miR-188-5p reduced apoptosis, lowered the expression of cleaved-caspase3 and Bax proteins, and elevated Bcl-2 protein expression in cells treated with OGD/R. Overexpression of miR-188-5p decreased the levels of NLRP3 and p-STAT3 in the OGD/R group. Furthermore, the overexpression of miR-188-5p reduced IL6ST, p- NFκB/NFκB, p-STAT3/STAT3, and NLRP3 proteins in OGD/R, and these effects could be reversed by IL6ST overexpression.</p><p><strong>Conclusion: </strong>Mimics of miR-188-5p were found to inhibit inflammation and the STAT3/NLRP3 pathway via IL6ST, thereby ameliorating injury in HT22 and MCN cells treated with OGD/R in the context of CI/R.</p>","PeriodicalId":93965,"journal":{"name":"Current neurovascular research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141082969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}