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Fasudil

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https://www.readbyqxmd.com/read/28712398/-fasudil-attenuates-mitochondrial-injury-and-apoptosis-in-rat-model-of-myocardial-ischemia-reperfusion-injury
#1
Hongwei Ye, Guanjun Zhang, Ruiping Cao, Pinfang Kang, Zhenghong Li, Qin Gao
Objective To observe the changes of mitochondria fusion protein 2 (Mfn2) and dynamin-related protein 1 (Drp1) in the cardioprotection of fasudil, and analyze the significance. Methods Hearts isolated from male Sprague-Dawley rats were subjected to ischemia for 30 minutes (occlusion of left anterior descending artery), and continuously perfusion for 120 minutes to establish myocardial ischemia/reperfusion (I/R) injury model. The rats were divided into 3 groups: sham group, I/R group and fasudil group. The left ventricular hemodynamics were continuously recorded; lactate dehydrogenase (LDH) content was measured during reperfusion; myocardial ultrastructure was observed by electron microscopy; the protein expression of phosphorylated protein phosphatase 1 regulatory subunit 12A (p-PPP1R12A/p-MYPT1) was detected by immunohistochemistry; and the protein expressions of Mfn2, Drp1 and cleaved caspase-3 (c-caspase-3) were detected by Western blot analysis...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28702321/a-high-content-small-molecule-screen-identifies-novel-inducers-of-definitive-endoderm
#2
Alexander Korostylev, Pallavi U Mahaddalkar, Oliver Keminer, Kamyar Hadian, Kenji Schorpp, Philip Gribbon, Heiko Lickert
OBJECTIVES: Human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) can generate any given cell type in the human body. One challenge for cell-replacement therapy is the efficient differentiation and expansion of large quantities of progenitor cells from pluripotent stem cells produced under good manufacturing practice (GMP). FOXA2 and SOX17 double positive definitive endoderm (DE) progenitor cells can give rise to all endoderm-derived cell types in the thymus, thyroid, lung, pancreas, liver, and gastrointestinal tract...
July 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28698029/critical-role-of-epha4-in-early-brain-injury-after-subarachnoid-hemorrhage-in-rat
#3
Ruiming Fan, Budbazar Enkhjargal, Richard Camara, Feng Yan, Lei Gong, ShengtaoYao, Jiping Tang, Yangmei Chen, John H Zhang
Early brain injury (EBI) is reported as a primary cause of mortality in subarachnoid hemorrhage (SAH) patients. Eph receptor A4 (EphA4) has been associated with blood-brain barrier integrity and pro-apoptosis. We aimed to investigate a role of EphA4 in EBI after SAH. One hundred and seventy-nine male adult Sprague-Dawley rats were randomly divided into sham versus endovascular perforation model of SAH groups. SAH grade, neurological score, Evans blue dye extravasation, brain water content, mortality, Fluoro-Jade staining, immunofluorescence staining, and western blot experiments were performed after SAH...
July 8, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28688946/anti-arthritic-effect-of-pilose-antler-peptide-on-adjuvant-induced-rheumatoid-arthritis-in-rats
#4
Zuo Ting, Long Hongyan, Wu Suling, Huang Luqi
The anti-inflammatory property of pilose antler peptide (PAP) aroused our interest. To investigate the effect of PAP on Freund's complete adjuvant (FCA)-induced arthritis in rats was the aim of this study. Adjuvant-induced arthritis (AA) was induced by the administration of 0.1ml FCA in the surface of hind paw. Diclofenac sodium (DS) and Fasudil were administered as positive controls. Down-regulation of cytokines including interleukin-6 (IL-6), interleukin-1 beta (IL-1β) and tumor necrosis factor-alpha (TNF-α), revealed anti-inflammatory effect of PAP, which was consisted with pathological conditions of rat paws...
July 5, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28665545/inhibition-of-mevalonate-pathway-prevents-ischemia-induced-cardiac-dysfunction-in-rats-via-rhoa-independent-signaling-pathway
#5
Ying Yang, Xiqing Rong, Xue Lv, Wenbing Jiang, Yuan Yang, Dongwu Lai, Shiming Xu, Guosheng Fu
AIM: We previously demonstrated that anoxia-mediated Ca(2+) handling dysfunction could be ameliorated through inhibition of mevalonate pathway via RhoA- and Ras-related mechanisms in H9c2 cells. In this study, we further explored whether inhibition of mevalonate pathway is associated with cardiac remodeling and dysfunction in ischemic cardiomyopathy, and discuss the possible role of Ras, Rac and RhoA in cardiac dysfunction. METHODS: We investigated the role of mevalonate pathway in cardiac remodeling and cardiomyocyte Ca(2+) handling proteins expression in a rat model of cardiac dysfunction due to myocardial infarction (MI)...
June 30, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28665172/treatment-with-low-dose-fasudil-for-acute-ischemic-stroke-in-chronic-hypertension
#6
Siu-Lung Chan, Marilyn J Cipolla
We investigated the effect of Rho kinase inhibition on changes in cerebral blood flow (CBF), brain injury and vascular function after ischemic stroke in spontaneously hypertensive rats (SHR). Changes in core MCA and collateral perfusion were measured by a validated laser Doppler method. Animals underwent 2 h tMCAO and 2 h reperfusion. Fasudil (0.1 mg/kg, i.v.) or vehicle was given at 30 min ischemia (n = 9/group; mean (SD)). Brain injury was determined by 2,3,5-triphenyltetrazolium chloride staining...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28660097/fasudil-a-clinically-used-rock-inhibitor-stabilizes-rod-photoreceptor-synapses-after-retinal-detachment
#7
Ellen Townes-Anderson, Jianfeng Wang, Éva Halász, Ilene Sugino, Amy Pitler, Ian Whitehead, Marco Zarbin
PURPOSE: Retinal detachment disrupts the rod-bipolar synapse in the outer plexiform layer by retraction of rod axons. We showed that breakage is due to RhoA activation whereas inhibition of Rho kinase (ROCK), using Y27632, reduces synaptic damage. We test whether the ROCK inhibitor fasudil, used for other clinical applications, can prevent synaptic injury after detachment. METHODS: Detachments were made in pigs by subretinal injection of balanced salt solution (BSS) or fasudil (1, 10 mM)...
June 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28598490/development-of-a-zebrafish-sepsis-model-for-high-throughput-drug-discovery
#8
Anju Mary Philip, Youdong Wang, Antonio Mauro, Suzan El-Rass, John C Marshall, Warren L Lee, Arthur S Slutsky, Claudia C dosSantos, Xiao-Yan Wen
Sepsis is a leading cause of death worldwide. Current treatment modalities remain largely supportive. Intervention strategies focused on inhibiting specific mediators of the inflammatory host response have been largely unsuccessful, a consequence of an inadequate understanding of the complexity and heterogeneity of the innate immune response. Moreover, the conventional drug development pipeline is time consuming and expensive and the low success rates associated with cell-based screens underline the need for whole organism screening strategies, especially for complex pathological processes...
June 7, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28586486/fasudil-slows-development-of-cavernous-malformations
#9
Gregory M Weiner, Andrew F Ducruet
No abstract text is available yet for this article.
May 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28535907/suppression-of-epithelial-restitution-using-an-inhibitor-against-rho-associated-coiled-coil-containing-protein-kinase-aggravates-colitis-through-reduced-epithelial-expression-of-a-kinase-anchor-protein-13
#10
Yumi Kangawa, Toshinori Yoshida, Yutaka Yonezawa, Kiyoshi Maruyama, Shim-Mo Hayashi, Makoto Shibutani
In the gastrointestinal tract, the immediate healing response to mucosal damage is critical to sustain mucosal homeostasis. The migration of surrounding epithelial cells to cover the denuded area without proliferation is termed restitution, followed by early reparation of the damage. In this study, we determined the role of A-kinase anchor protein 13 (AKAP13) in mice with dextran sulphate sodium (DSS)-induced colitis upon mucosal injury and restitution, and investigated whether inhibition of Rho-associated coiled-coil containing protein kinase (ROCK), downstream effector of AKAP13, affects these mucosal responses...
May 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28534935/effect-of-fasudil-on-cognitive-function-following-status-convulsion-in-rats
#11
Rong He, Wei Han, Xiaojie Song, Xiaoju Tang, Li Cheng, Li Jiang
Fasudil has been demonstrated to possess a protective effect in neural injury; however, its protective effect on convulsive brain injury remains to be assessed. The aim of the present study was to investigate the latent mechanism and effect of fasudil on cognitive function following status convulsion (SC) in rats. Initially, to determine the effects of SC, the expression levels of Ras homolog gene family, member A (RhoA)/Rho‑associated protein kinase (ROCK) signaling pathway‑associated proteins were measured by western blot analysis in 16 rats...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28526517/regulation-of-rhoa-rock-and-sustained-arterial-contraction-by-low-cytosolic-ca-2-levels-during-prolonged-depolarization-of-arterial-smooth-muscle
#12
Cristina Porras-González, Antonio Ordóñez, Antonio Castellano, Juan Ureña
The role of L-type Ca(2+) channels (LTCCs) and RhoA/Rho kinase (ROCK) on depolarization-induced sustained arterial contraction lasting several minutes is already known. However, in vivo, vascular smooth muscle cells can be depolarized for longer periods, inducing substantial inactivation of LTCCs and markedly reducing Ca(2+) influx into the myocytes. We have examined, in femoral arterial rings, the role of LTCCs and RhoA/ROCK during long-lasting depolarization. Our results reveal a new vasoreactive response after 20-30min of depolarization in 2...
May 16, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28510599/selective-inhibition-of-brain-endothelial-rho-kinase-2-provides-optimal-protection-of-an-in-vitro-blood-brain-barrier-from-tissue-type-plasminogen-activator-and-plasmin
#13
Be'eri Niego, Natasha Lee, Pia Larsson, T Michael De Silva, Amanda E-Ling Au, Fiona McCutcheon, Robert L Medcalf
Rho-kinase (ROCK) inhibition, broadly utilised in cardiovascular disease, may protect the blood-brain barrier (BBB) during thrombolysis from rt-PA-induced damage. While the use of nonselective ROCK inhibitors like fasudil together with rt-PA may be hindered by possible hypotensive side-effects and inadequate capacity to block detrimental rt-PA activity in brain endothelial cells (BECs), selective ROCK-2 inhibition may overcome these limitations. Here, we examined ROCK-2 expression in major brain cells and compared the ability of fasudil and KD025, a selective ROCK-2 inhibitor, to attenuate rt-PA-induced BBB impairment in an in vitro human model...
2017: PloS One
https://www.readbyqxmd.com/read/28501981/protective-effect-of-gentianine-a-compound-from-du-huo-ji-sheng-tang-against-freund-s-complete-adjuvant-induced-arthritis-in-rats
#14
Chen Wenjin, Wang Jianwei
The anti-inflammatory property of gentianine (GE) aroused our interest. To investigate the effect of GE on Freund's complete adjuvant (FCA)-induced arthritis in rats was the aim of this study. Adjuvant-induced arthritis (AA) was induced by the administration of 0.1 ml FCA in the surface of hind paw. Diclofenac sodium (DS) and Fasudil were administered as positive controls. Downregulation of cytokines including interleukin-6 (IL-6), interleukin-1 beta (IL-1β), and tumor necrosis factor-alpha (TNF-α) revealed anti-inflammatory effect of GE, which was consisted with pathological conditions of rat paws...
August 2017: Inflammation
https://www.readbyqxmd.com/read/28501682/the-role-of-arachidonic-acid-cyclooxygenase-cascade-phosphodiesterase-iv-and-rho-kinase-in-h2s-induced-relaxation-in-the-mouse-corpus-cavernosum
#15
Fatma Aydinoglu, Nuran Ogulener
BACKGROUND: Penile corpus cavernosum is an extremely vascularized tissue and cavernosal smooth muscle tone is regulated by the balance between contractile and relaxant factor. We investigated the possible role of arachidonic acid/cyclooxygenase cascade, phosphodiesterase IV (PDEIV) and Rho-kinase in exogenous hydrogen sulfide (H2S)-induced relaxation in mouse corpus cavernosum. METHODS: The relaxant response to H2S (NaHS as exogenous H2S; 1-1000μM) were obtained in isolated mouse corpus cavernosum tissues which pre-contracted by phenylephrine (5μM)...
February 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28493050/fasudil-ameliorates-endothelial-dysfunction-in-streptozotocin-induced-diabetic-rats-a-possible-role-of-rho-kinase
#16
Amal Hofni, Basim A Shehata Messiha, Safwat A Mangoura
Endothelial dysfunction is a major contributor to the pathogenesis of vascular disease in diabetes mellitus and RhoA/Rho-kinase (ROCK) system appears to play a crucial role in this setting. The present study was conducted to investigate the effect of the selective ROCK inhibitor, fasudil, on diabetes-related endothelial dysfunction and elucidated its underlying mechanism(s). Diabetes was induced by a single intraperitoneal injection of streptozotocin (STZ, 50 mg/kg), and fasudil (5 mg/kg per day) was orally administered for 8 weeks...
August 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28470298/fluorescence-enhancement-and-pka-shift-of-a-rho-kinase-inhibitor-by-a-synthetic-receptor
#17
Hang Yin, Linmin Chen, Binrui Yang, David Bardelang, Chunming Wang, Simon M Y Lee, Ruibing Wang
Fasudil (FSD), a selective rho kinase (ROCK) inhibitor, was found to form 1 : 1 host-guest inclusion complexes with a synthetic macrocyclic receptor, cucurbit[7]uril (CB[7]), in aqueous solutions, as evidenced by (1)H NMR, photoluminescence and UV-visible spectroscopic titrations, isothermal titration calorimetry (ITC) titration, and electrospray ionization (ESI) mass spectrometry, as well as density functional theory (DFT) molecular modeling. Upon encapsulation, whereas the UV-vis absorbance of FSD experienced a moderate decrease and bathochromic shift, the fluorescence intensity of FSD at 354 nm was dramatically enhanced for up to 69-fold at neutral pH, which could potentially be applied in fluorescent tracking of the drug delivery and release...
May 23, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28437280/inhibition-of-rho-kinase-attenuates-left-ventricular-remodeling-caused-by-chronic-intermittent-hypoxia-in-rats-via-suppressing-myocardial-inflammation-and-apoptosis
#18
Zhi-Hua Wang, Die Zhu, Sheng Xie, Yan Deng, Yueying Pan, Jie Ren, Hui-Guo Liu
Chronic intermittent hypoxia (CIH), the hallmark of obstructive sleep apnea syndrome (OSAS), has been reported to play a key role in the development of OSAS-associated cardiovascular diseases including cardiac remodeling. RhoA/Rho-kinase (ROCK) pathway has also been implicated in myocardial remodeling, but the exact mechanisms are not fully elucidated. The current study's purpose is to investigate the influence of fasudil, a selective ROCK inhibitor, on CIH-induced left ventricular remodeling in rats and its possible mechanisms...
April 18, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28416371/modulation-by-nadph-oxidase-of-the-chronic-cardiovascular-and-autonomic-interaction-between-cyclosporine-and-nsaids-in-female-rats
#19
Ahmed F El-Yazbi, Karim S Ibrahim, Hanan M El-Gowelli, Nevine M El-Deeb, Mahmoud M El-Mas
Cyclosporine (CSA) and nonsteroidal antiinflammatory drugs (NSAIDs) are used together to manage arthritic disorders with an immune component. Previous reports showed contrasting effects for NSAIDs on CSA nephrotoxicity and acute elevations in blood pressure. Both effects were ameliorated or exaggerated after selective cyclooxygenase-2 (COX2) and nonselective COX inhibition, respectively. Here we investigated: (i) the interaction of CSA with NSAIDs possessing variable COX1/COX2 selectivities on hemodynamic, left ventricular (LV) and cardiac autonomic and histologic profiles, and (ii) role of NADPH-oxidase (NOX)/Rho-kinase (ROCK) pathway in the interaction...
April 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28396402/apc-c-cdh1-rock2-pathway-controls-dendritic-integrity-and-memory
#20
Verónica Bobo-Jiménez, María Delgado-Esteban, Julie Angibaud, Irene Sánchez-Morán, Antonio de la Fuente, Javier Yajeya, U Valentin Nägerl, José Castillo, Juan P Bolaños, Angeles Almeida
Disruption of neuronal morphology contributes to the pathology of neurodegenerative disorders such as Alzheimer's disease (AD). However, the underlying molecular mechanisms are unknown. Here, we show that postnatal deletion of Cdh1, a cofactor of the anaphase-promoting complex/cyclosome (APC/C) ubiquitin ligase in neurons [Cdh1 conditional knockout (cKO)], disrupts dendrite arborization and causes dendritic spine and synapse loss in the cortex and hippocampus, concomitant with memory impairment and neurodegeneration, in adult mice...
April 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
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