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Condition: Hemorrhagic Stroke
Drug: Minocycline

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Total 28 results found since Jan 2013.

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

Spinal MCP-1 Contributes to Central Post-stroke Pain by Inducing Central Sensitization in Rats
In this study, rats were subjected to thalamic hemorrhage to investigate the role of spinal monocyte chemoattractant protein-1 (MCP-1) and C-C motif chemokine receptor 2 (CCR2) in the development of CPSP. Immunohistochemical staining and ELISA were used to assess the expression changes of c-Fos, Iba-1, GFAP, MCP-1, and CCR2 in the dorsal horn of the lumbar spinal cord following thalamic hemorrhage, and the involvement of spinal MCP-1 in CPSP was examined by performing intrathecal anti-MCP-1 mAb injection to neutralize the spinal extracellular MCP-1. We demonstrated that intra-thalamic collagenase microinjection induced per...
Source: Molecular Neurobiology - January 5, 2023 Category: Neurology 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

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

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

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

The potential of drug repurposing combined with reperfusion therapy in cerebral ischemic stroke: A supplementary strategy to endovascular thrombectomy
Publication date: Available online 11 October 2019Source: Life SciencesAuthor(s): Jenq-Lin Yang, Yun-Ru Yang, Shang-Der ChenAbstractStroke is the major cause of adult disability and the second or third leading cause of death in developed countries. The treatment options for stroke (thrombolysis or thrombectomy) are restricted to a small subset of patients with acute ischemic stroke because of the limited time for an efficacious response and the strict criteria applied to minimize the risk of cerebral hemorrhage. Attempts to develop new treatments, such as neuroprotectants, for acute ischemic stroke have been costly and tim...
Source: Life Sciences - October 13, 2019 Category: Biology Source Type: research

Effect of Inflammation on the Process of Stroke Rehabilitation and Poststroke Depression
Conclusions Stroke comprises ischemic stroke and ICH. The immuno-inflammatory process is involved in neural plasticity following events such as a hemorrhage or ischemic stroke. After ischemia, astrocytes, microglia, and MDMs play important roles during rehabilitation with the modulation of cytokines or chemokines, such as TNF-α and IL-1. Moreover, MiRNAs are also important posttranscriptional regulators in these glial mitochondrial responses to cerebral ischemia. ICH involves processes similar and different to those seen in ischemia, including neuronal injury, astrocytic and microglial/macrophage activation, and n...
Source: Frontiers in Psychiatry - April 10, 2019 Category: Psychiatry Source Type: research

Combining Human Umbilical Cord Blood Cells With Erythropoietin Enhances Angiogenesis/Neurogenesis and Behavioral Recovery After Stroke
In conclusion, our results suggest that hUCBC infusion in combination with EPO administration demonstrates therapeutic efficacy in the treatment of stroke-induced injury by promoting neurogenesis and angiogenesis. Further research that delineates the therapeutic mechanism of systemically administered hUCBC and EPO is required. Ethics Statement All experimental procedures involving animals were performed in accordance with the Guide for the Care and Use of Laboratory Animals as adopted and promulgated by the U. S. National Institutes of Health and were approved by CHA University Institutional Animal Care & Use Com...
Source: Frontiers in Neurology - April 9, 2019 Category: Neurology Source Type: research

Neutrophils in tPA-induced hemorrhagic transformations: Main culprit, accomplice or innocent bystander?
Publication date: Available online 18 September 2018Source: Pharmacology & TherapeuticsAuthor(s): Thavarak Ouk, Camille Potey, Ilaria Maestrini, Maud Petrault, Anne-Marie Mendyk, Didier Leys, Regis Bordet, Sophie GautierAbstractThe risk of intracerebral hemorrhage still greatly limits the use of tPA in stroke patients. Research is ongoing in order to identify the pathophysiological mechanisms at play, detect predictive biomarkers and discover new pharmacological targets to develop preventive or curative treatments. Going through experimental and clinical studies, this review focuses on the role of neutrophils as key predic...
Source: Pharmacology and Therapeutics - October 5, 2018 Category: Drugs & Pharmacology Source Type: research

Minocycline for acute stroke treatment: a systematic review and meta-analysis of randomized clinical trials
ConclusionsAlthough data is limited, minocycline demonstrated efficacy and seems a promising neuroprotective agent in acute stroke patients, especially  in AIS subgroup. Further RCTs are needed to evaluate the efficacy and safety of minocycline among ICH patients.
Source: Journal of Neurology - June 14, 2018 Category: Neurology 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

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

Letter by Chang et al Regarding Article, “Minocycline in Acute Cerebral Hemorrhage: An Early Phase Randomized Trial” Letter to the Editor
Source: Stroke - December 22, 2017 Category: Neurology Authors: Jason J. Chang, Nerses Sanossian, Georgios Tsivgoulis Tags: Biomarkers, Intracranial Hemorrhage, Neuroprotectants Letters to the Editor Source Type: research