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Total 28 results found since Jan 2013.

1H NMR-Based Metabolomics Reveals Refined-Huang-Lian-Jie-Du-Decoction (BBG) as a Potential Ischemic Stroke Treatment Drug With Efficacy and a Favorable Therapeutic Window
This study was carried out in accordance with the recommendations of Animal Ethics Committee of China Pharmaceutical University. The protocol was approved by Animal Ethics Committee of China Pharmaceutical University. Author Contributions JW, MY, and LK conceived the experiments and helped to coordinate support and funding. XF performed the research and drafted the manuscript. SL, YL, and DX participated in the experiments. JW analyzed the data and edited the paper. All authors read and approved the final manuscript. Conflict of Interest Statement The authors declare that the research was conducted in the absence of an...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

Shengui Sansheng San Ameliorates Cerebral Energy Deficiency via Citrate Cycle After Ischemic Stroke
Conclusion In summary, SSS extraction significantly ameliorates cerebral energy metabolism via boosting citrate cycle, which mainly embodies the enhancements of blood glucose concentration, glucose and lactate transportation and glucose utilization, as well as the regulations of relative enzymes activities in citrate cycle. These ameliorations ultimately resulted in numerous ATP yield after stroke, which improved neurological function and infarcted volume. Collectively, it suggests that SSS extraction has exerted advantageous effect in the treatment of cerebral ischemia. Ethics Statement All animal operations were accor...
Source: Frontiers in Pharmacology - April 22, 2019 Category: Drugs & Pharmacology Source Type: research

Neuroprotective Action of Human Wharton's Jelly-Derived Mesenchymal Stromal Cell Transplants in a Rodent Model of Stroke.
Abstract Wharton's jelly-derived mesenchymal stromal cells (WJ-MSCs) have distinct immunomodulatory and protective effects against kidney, liver, or heart injury. Limited studies have shown that WJ-MSCs attenuates oxygen-glucose deprivation-mediated inflammation in hippocampal slices. The neuroprotective effect of intracerebral WJ-MSC transplantation against stroke has not been well characterized. The purpose of this study was to examine the neuroprotective effect of human WJ-MSC (hWJ-MSC) transplants in an animal model of stroke. Adult male Sprague-Dawley rats were anesthetized and placed in a stereotaxic frame. ...
Source: Cell Transplantation - October 4, 2018 Category: Cytology Authors: Wu KJ, Yu SJ, Chiang CW, Lee YW, Yen BL, Tseng PC, Hsu CS, Kuo LW, Wang Y Tags: Cell Transplant Source Type: research

Role of injection laryngoplasty in preventing post-stroke aspiration pneumonia, case series report
Conclusion: Injection laryngoplasty proved to be both successful and safe in improving glottic closure with immediate results in those who had failed to show a positive response after long-term swallowing rehabilitation. The positive and dramatic clinical outcomes were observed through changes in the coughing force. Our case series support the use of injection larygnoplasty as a powerful adjunctive treatment method to prevent aspiration pneumonia in post-stroke patients with vocal fold insufficiency. Pre- and post-injection peak cough flow changes may reflect improvement in glottic closure and indicate the safety of swal...
Source: Medicine - February 1, 2020 Category: Internal Medicine Tags: Research Article: Clinical Case Report Source Type: research

Overlapping Mechanisms of Exertional Heat Stroke and Malignant Hyperthermia: Evidence vs. Conjecture
AbstractExertional heat stroke (EHS) and malignant hyperthermia (MH) are life-threatening conditions, triggered by different environmental stimuli that share several clinical symptoms and pathophysiological features. EHS manifests during physical activity normally, but not always, in hot and humid environments. MH manifests during exposure to haloalkane anesthetics or succinylcholine, which leads to a rapid, unregulated release of calcium (Ca2+) within the skeletal muscles inducing a positive-feedback loop within the excitation –contraction coupling mechanism that culminates in heat stroke-like symptoms, if not rapidly r...
Source: Sports Medicine - July 5, 2020 Category: Sports Medicine Source Type: research

Role of TREK-1 in Health and Disease, Focus on the Central Nervous System
Conclusion and Perspectives Since their cloning 20 years ago, the physiological importance of TREK-1 channels has continued to grow (Figure 3). Today, TREK-1 channels have been shown to be important and their presence is essential in a number of physiopathological processes. Their involvement in these different processes demonstrate the necessity to design pharmacological modulators, activators or inhibitors, of these channels to correct any TREK-1-related dysfunctions. Despites a number of studies and many molecule screenings, only few putative new drugs were identified. The activators belonging to the ML and BL series ...
Source: Frontiers in Pharmacology - April 10, 2019 Category: Drugs & Pharmacology Source Type: research

Acute symptomatic seizures and epilepsy after mechanical thrombectomy
ConclusionsThe incidence of PSE after mechanical thrombectomy was low in our cohort. All blood biomarkers displayed interesting sensitivity and specificity. However, the number of PSE cases was small and more studies are needed on risk factors for PSE after mechanical thrombectomy. The potential of blood markers of brain injury markers to contribute to assessment of PSE risk should be explored further.This article is part of the Special Issue "Seizures & Stroke".
Source: Epilepsy and Behavior - September 14, 2019 Category: Neurology Source Type: research

Acute symptomatic seizures and epilepsy after mechanical thrombectomy.
CONCLUSIONS: The incidence of PSE after mechanical thrombectomy was low in our cohort. All blood biomarkers displayed interesting sensitivity and specificity. However, the number of PSE cases was small and more studies are needed on risk factors for PSE after mechanical thrombectomy. The potential of blood markers of brain injury markers to contribute to assessment of PSE risk should be explored further. This article is part of the Special Issue "Seizures & Stroke". PMID: 31526644 [PubMed - as supplied by publisher]
Source: Epilepsy and Behaviour - September 12, 2019 Category: Neurology Authors: Eriksson H, Löwhagen Hendén P, Rentzos A, Pujol-Calderón F, Karlsson JE, Höglund K, Blennow K, Zetterberg H, Rosengren L, Zelano J Tags: Epilepsy Behav Source Type: research

In vivo widefield calcium imaging of the mouse cortex for analysis of network connectivity in health and brain disease
Publication date: Available online 7 June 2019Source: NeuroImageAuthor(s): Julia V. Cramer, Benno Gesierich, Stefan Roth, Martin Dichgans, Marco Düring, Arthur LieszAbstractThe organization of brain areas in functionally connected networks, their dynamic changes, and perturbations in disease states are subject of extensive investigations. Research on functional networks in humans predominantly uses functional magnetic resonance imaging (fMRI). However, adopting fMRI and other functional imaging methods to mice, the most widely used model to study brain physiology and disease, poses major technical challenges and faces imp...
Source: NeuroImage - June 7, 2019 Category: Neuroscience Source Type: research

Changes in electrolyte concentrations alter the impedance during ischemia-reperfusion injury in rat brain
In this study, changes in the bio-impedance spectroscopy using a two-electrode method with varying frequencies from 100 to 35  kHz have been assessed in a model of global cerebral ischemia in anesthetized rats during normal, occlusion and reperfusion conditions. Global cerebral ischemia was induced by bilateral common carotid artery occlusion for 40  min following 40 min of reperfusion. The concentration of sodium, potassium, calcium and chloride ions in the whole rat brain was determined by electrolyte analyzer. For the interpretation of in vivo results, changes in electrical impedance with varying concentrati...
Source: Physiological Measurement - October 29, 2019 Category: Physiology Authors: Gaurav Kumar, Uvanesh Kasiviswanathan, Sumedha Mukherjee, Sanjeev Kumar Mahto, Neeraj Sharma and Ranjana Patnaik Source Type: research

ACOG Committee Opinion No. 767: Emergent Therapy for Acute-Onset, Severe Hypertension During Pregnancy and the Postpartum Period.
Authors: Abstract Acute-onset, severe systolic hypertension; severe diastolic hypertension; or both can occur during the prenatal, intrapartum, or postpartum periods. Pregnant women or women in the postpartum period with acute-onset, severe systolic hypertension; severe diastolic hypertension; or both require urgent antihypertensive therapy. Introducing standardized, evidence-based clinical guidelines for the management of patients with preeclampsia and eclampsia has been demonstrated to reduce the incidence of adverse maternal outcomes. Individuals and institutions should have mechanisms in place to initiate the...
Source: Obstetrics and Gynecology - December 19, 2018 Category: OBGYN Tags: Obstet Gynecol Source Type: research

ACOG Committee Opinion No. 767 Summary: Emergent Therapy for Acute-Onset, Severe Hypertension During Pregnancy and the Postpartum Period.
Authors: Abstract Acute-onset, severe systolic hypertension; severe diastolic hypertension; or both can occur during the prenatal, intrapartum, or postpartum periods. Pregnant women or women in the postpartum period with acute-onset, severe systolic hypertension; severe diastolic hypertension; or both require urgent antihypertensive therapy. Introducing standardized, evidence-based clinical guidelines for the management of patients with preeclampsia and eclampsia has been demonstrated to reduce the incidence of adverse maternal outcomes. Individuals and institutions should have mechanisms in place to initiate the...
Source: Obstetrics and Gynecology - January 27, 2019 Category: OBGYN Tags: Obstet Gynecol Source Type: research

YiQiFuMai Powder Injection Attenuates Coronary Artery Ligation-Induced Heart Failure Through Improving Mitochondrial Function via Regulating ROS Generation and CaMKII Signaling Pathways
This study was carried out in accordance with the recommendations of “Guide for the Care and Use of Laboratory Animals, National Institutes of Health.” The protocol was approved by the “China Pharmaceutical University.” Surgical Preparation The mice were anesthetized with chloral hydrate (4% chloral hydrate, ip). The HF model was induced by CAL as previously reported (Gao et al., 2010). Successful ligation of the coronary artery was confirmed by the occurrence of ST-segment elevation in electrocardiogram. Sham operated mice were performed the same process except left CAL. After ligation, the h...
Source: Frontiers in Pharmacology - April 9, 2019 Category: Drugs & Pharmacology Source Type: research

Orexin-A Prevents Lipopolysaccharide-Induced Neuroinflammation at the Level of the Intestinal Barrier
We examined a possible protective effect of OX-A against LPS-induced ROS formation and microglia activation. To mimic in vitro the connection between gut and brain and to study the putative effect on the cortical microglia, we used a co-culture of Caco-2 cells and primary cortical microglia with Caco-2 cells placed at the apical side of a transwell and primary cortical microglia at the basolateral side. All treatments used to study the apical vs. basal connection were applied to the apical compartment. We used DHR (10 μM, 20 min), a cell-permeable fluorogenic probe useful for the detection of ROS formation, to dete...
Source: Frontiers in Endocrinology - April 9, 2019 Category: Endocrinology Source Type: research

Apelin-13 Suppresses Neuroinflammation Against Cognitive Deficit in a Streptozotocin-Induced Rat Model of Alzheimer ’s Disease Through Activation of BDNF-TrkB Signaling Pathway
Conclusion The data in this manuscript demonstrates that apelin-13 upregulates BDNF against STZ-induced congnitive impairment by suppressing glial cell activity and inflammatory factors release. This suggests apelin signaling may be a new target in the treatment of AD. Ethics Statement All experimental protocols were carried out according to the National Institutes of Health Guide for the Care and Use of Laboratory Animals approved by the Central South University at XiangYa Animal Care and Use Committee. Author Contributions XqQ and LH conceived the study and contributed to its experimental design. HqL carried out the...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research