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Drug: Minocycline

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Total 88 results found since Jan 2013.

Vascular tight junction disruption and angiogenesis in spontaneously hypertensive rat with neuroinflammatory white matter injury.
Abstract Vascular cognitive impairment is a major cause of dementia caused by chronic hypoxia, producing progressive damage to white matter (WM) secondary to blood-brain barrier (BBB) opening and vascular dysfunction. Tight junction proteins (TJPs), which maintain BBB integrity, are lost in acute ischemia. Although angiogenesis is critical for neurovascular remodeling, less is known about its role in chronic hypoxia. To study the impact of TJP degradation and angiogenesis during pathological progression of WM damage, we used the spontaneously hypertensive/stroke prone rats with unilateral carotid artery occlusion ...
Source: Neurobiology of Disease - February 24, 2018 Category: Neurology Authors: Yang Y, Kimura-Ohba S, Thompson JF, Salayandia VM, Cosse M, Raz L, Jalal FY, Rosenberg GA Tags: Neurobiol Dis Source Type: research

Minocycline Effects on Intracerebral Hemorrhage-Induced Iron Overload in Aged Rats Basic Sciences
This study quantified brain iron levels after ICH with magnetic resonance imaging R2* mapping. The effect of minocycline on iron overload and ICH-induced brain injury in aged rats was also determined.Methods—Aged (18 months old) male Fischer 344 rats had an intracerebral injection of autologous blood or saline, and brain iron levels were measured by magnetic resonance imaging R2* mapping. Some ICH rats were treated with minocycline or vehicle. The rats were euthanized at days 7 and 28 after ICH, and brains were used for immunohistochemistry and Western blot analyses. Magnetic resonance imaging (T2-weighted, T2* gradient-...
Source: Stroke - March 26, 2018 Category: Neurology Authors: Shenglong Cao, Ya Hua, Richard F. Keep, Neeraj Chaudhary, Guohua Xi Tags: Basic Science Research, Intracranial Hemorrhage Original Contributions Source Type: research

Minocycline attenuates brain injury and iron overload after intracerebral hemorrhage in aged female rats.
Abstract Brain iron overload is involved in brain injury after intracerebral hemorrhage (ICH). There is evidence that systemic administration of minocycline reduces brain iron level and improves neurological outcome in experimental models of hemorrhagic and ischemic stroke. However, there is evidence in cerebral ischemia that minocycline is not protective in aged female animals. Since most ICH research has used male models, this study was designed to provide an overall view of ICH-induced iron deposits at different time points (1 to 28 days) in aged (18-month old) female Fischer 344 rat ICH model and to investig...
Source: Neurobiology of Disease - June 4, 2018 Category: Neurology Authors: Dai S, Hua Y, Keep RF, Novakovic N, Fei Z, Xi G Tags: Neurobiol Dis Source Type: research

Icariin Improves Functional Behavior in a Mouse Model of Traumatic Brain Injury and Promotes Synaptic Plasticity Markers
Planta Med DOI: 10.1055/a-0753-0400Epimedii Herba (EH) has been used in traditional Asian medicine to treat hemiplegia following stroke. Icariin, its major active component, is used as a quality-control marker and for its various pharmacological effects. We hypothesized that icariin would show protective effects following traumatic brain injury (TBI). The TBI mouse model was induced using a controlled cortical impact method. Body weight, brain damage, motor function, and cognitive function were evaluated. Synaptogenesis markers were analyzed to investigate potential mechanisms of action. The animals were divided into six g...
Source: Planta Medica - October 9, 2018 Category: Drugs & Pharmacology Authors: Joo, Hyejin Bae, Jinhyun Lee, Jun-Seon Bang, Yumi Lee, Beom-Joon Park, Jae-Woo Lee, Kyungjin Cho, Jae-Heung Bu, Youngmin Tags: Original Papers Source Type: research

Combination therapy of human bone marrow –derived mesenchymal stem cells and minocycline improves neuronal function in a rat middle cerebral artery occlusion model
The positive effects of human bone marrow –derived mesenchymal stem cells (hBM-MSCs) and minocycline on ischemic stroke models have been well described through numerous studies. The aim of this study was to eva...
Source: Stem Cell Research and Therapy - November 9, 2018 Category: Stem Cells Authors: Dong Young Cho and Sin-Soo Jeun Tags: Research Source Type: research

Efficacy of Minocycline in Acute Ischemic Stroke: A Systematic Review and Meta-Analysis of Rodent and Clinical Studies
Zhaofu Sheng, Yang Liu, Hongmin Li, Wei Zheng, Bin Xia, Xin Zhang, V. Wee Yong, Mengzhou Xue
Source: Frontiers in Neurology - December 20, 2018 Category: Neurology Source Type: research

Cranial burr hole with erythropoietin administration induces reverse arteriogenesis from the enriched extracranium.
Abstract It is challenging to revitalize ischemic penumbra after an acute stroke with intracranial perfusion insufficiency. To evaluate whether cranial burr hole and erythropoietin (EPO) generate effective revascularization, we investigated the efficacy of the augmentation method for reverse arteriogenesis from the healthy extracranial milieu. An intracranial perfusion insufficiency was created through bilateral internal carotid artery ligation (bICAL) in Sprague-Dawley rats. We administered recombinant human EPO (5000 U/kg) or saline intraperitoneally for 3 days after bICAL. Mechanical barrier disruption (MBD...
Source: Neurobiology of Disease - July 21, 2019 Category: Neurology Authors: Park GH, Shin HS, Choi ES, Yoon BS, Choi MH, Lee SJ, Lee KE, Lee JS, Hong JM Tags: Neurobiol Dis Source Type: research

Quantitative Iron Neuroimaging Can Be Used to Assess the Effects of Minocycline in an Intracerebral Hemorrhage Minipig Model
This study was performed to investigate the noninvasive neuroimaging method for quantifying brain iron content using a minipig ICH model and assess the effects of minocycline treatment on ICH-induced iron overload and brain injury. The minipig ICH model was established by injecting 2  ml of autologous blood into the right basal ganglia, which were then subjected to the treatments of minocycline and vehicle. Furthermore, the quantitative susceptibility mapping (QSM) was used to quantify iron content, and diffusion tensor imaging (DTI) was performed to evaluate white matter tract . Additionally, we also performed immunohist...
Source: Translational Stroke Research - November 5, 2019 Category: Neurology Source Type: research

Neuroinflammation in hemorrhagic transformation after tissue plasminogen activator thrombolysis: Potential mechanisms, targets, therapeutic drugs and biomarkers.
Abstract Hemorrhagic transformation (HT) is a common and serious complication following ischemic stroke, especially after tissue plasminogen activator (t-PA) thrombolysis, which is associated with increased mortality and disability. Due to the unknown mechanisms and targets of HT, there are no effective therapeutic drugs to decrease the incidence of HT. In recent years, many studies have found that neuroinflammation is closely related to the occurrence and development of HT after t-PA thrombolysis, including glial cell activation in the brain, peripheral inflammatory cell infiltration and the release of inflammato...
Source: International Immunopharmacology - December 6, 2020 Category: Allergy & Immunology Authors: Ma G, Pan Z, Kong L, Du G Tags: Int Immunopharmacol Source Type: research

Attenuation in Proinflammatory Factors and Reduction in Neuronal Cell Apoptosis and Cerebral Vasospasm by Minocycline during Early Phase after Subarachnoid Hemorrhage in the Rat
CONCLUSIONS: Microglia may play an important role to regulate neuronal cell apoptosis and cerebral vasospasm through inhibiting inflammation at an early phase after SAH in the rat.PMID:34912890 | PMC:PMC8668279 | DOI:10.1155/2021/5545727
Source: Biomed Res - December 16, 2021 Category: Research Authors: Chia-Li Chung Hung-Pei Tsai Yu-Hua Huang Shu-Chuan Wu Chee-Yin Chai Aij-Lie Kwan Source Type: research

Iron-Induced Hydrocephalus: the Role of Choroid Plexus Stromal Macrophages
In conclusion, stromal macrophages account for ~10% of all choroid plexus cells, with more in aged rats. Treatments targeting macrophages (minocycline and clodronate liposomes) are associated with reduced iron-induced hydrocephalus.
Source: Translational Stroke Research - May 11, 2022 Category: Neurology Source Type: research

Tetracycline-, Doxycycline-, Minocycline-Induced Pseudotumor Cerebri and Esophageal Perforation
AbstractTetracyclines are a class of broad-spectrum bacteriostatic antibiotics used to treat many infections, including methicillin-resistantStaphylococcus aureus (MRSA), acne, pelvic inflammatory disease, chlamydial infections, and a host of zoonotic infections. These drugs work by inhibiting protein synthesis in bacterial ribosomes, specifically by disallowing aminoacyl-tRNA molecules from binding to the ribosomal acceptor sites. While rare, tetracycline antibiotics, particularly minocycline and doxycycline, are associated with an increased risk of developing esophageal perforation and pseudotumor cerebri (PTC, or idiopa...
Source: Advances in Therapy - February 10, 2023 Category: Drugs & Pharmacology Source Type: research