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Autocrine motility factor receptor promotes the malignancy of glioblastoma by regulating cell migration and invasion
CONCLUSION: This study suggests that AMFR could be used as a therapeutic strategy for the clinical treatment of glioblastoma.PMID:37703903 | DOI:10.1080/01616412.2023.2257463
Source: Neurological Research - September 13, 2023 Category: Neurology Authors: Yao Zhang Xiuping Wang Guanghui Chen Yajing Lu Qiang Chen Source Type: research

Enhanced expression of Pentraxin-3 in glioblastoma cells correlates with increased invasion and IL8-VEGF signaling axis
In this study, we examined the role of PTX3 in GB growth, angiogenesis, and invasion using in vitro and in vivo GB models, proteomic profiling, molecular and biochemical approaches. Under in vitro conditions, PTX3 over-expression in U87 cells correlated with cell cycle progression, increased migratory potential, and proliferation under hypoxic conditions. Conditioned media containing PTX3 enhanced the angiogenic potential of endothelial cells. While silencing of PTX3 by siRNA decreased the proliferation, migration, and angiogenic potential of U87 cells in vitro. Importantly, PTX3 over-expression increased tumor growth, ang...
Source: Brain Research - December 15, 2021 Category: Neurology Authors: Umadevi V Wesley Ian Sutton Paul A Clark Katelin Cunningham Carolina Larrain John S Kuo Robert J Dempsey Source Type: research

Circular RNA circNF1 siRNA Silencing Inhibits Glioblastoma Cell Proliferation by Promoting the Maturation of miR-340
This study aimed to analyze the role of circNF1 in glioblastoma (GBM). The expression of circNF1, mature miR-340, and miR-340 precursor in paired GBM and non-cancer tissues from GBM patients (n = 50) was analyzed by RT-qPCR. GBM cells were transfected with circNF1 siRNA, followed by the analysis of the expression of mature miR-340 and miR-340 precursor, to study the effects of circNF1 knockdown on the maturation of miR-340. The CCK-8 assay was carried out to explore the role of circNF1 and miR-340 in the proliferation of GBM cells. circNF1 expression was found to be upregulated in GBM and was correlated with patient surviv...
Source: Frontiers in Neurology - September 13, 2021 Category: Neurology Source Type: research

Galectin-1 Contributes to Vascular Remodeling and Blood Flow Recovery After Cerebral Ischemia in Mice
AbstractGalectin-1 is found in the vasculature and has been confirmed to promote angiogenesis in several cancer models. Furthermore, galectin-1 has been demonstrated to improve the recovery of cerebral ischemia. However, whether vascular remodeling contributes to this improvement is still unknown. In the present study, photochemical cerebral ischemia was induced in both galectin-1-treated (2  μg/day,i.c.v, 3  days) and galectin-1 knockout mice. Laser speckle imaging and immunofluorescent staining demonstrated that circulation and vascular remodeling in the ischemic cortex were improved by galectin-1 treatment but disrup...
Source: Translational Stroke Research - May 10, 2021 Category: Neurology Source Type: research

CREB Participates in Paclitaxel-Induced Neuropathic Pain Genesis Through Transcriptional Activation of Dnmt3a in Primary Sensory Neurons
AbstractChemotherapy-induced peripheral neuropathic pain (CIPNP) often occurs in cancer patients treated with antineoplastic drugs. Therapeutic management of CIPNP is very limited, at least in part due to the largely unknown mechanisms that underlie CIPNP genesis. Here, we showed that systemic administration of the chemotherapeutic drug paclitaxel significantly and time-dependently increased the levels of cyclic AMP response element-binding protein (CREB) in dorsal root ganglion (DRG) neurons. Blocking this increase through DRG microinjection ofCreb siRNA attenuated paclitaxel-induced mechanical, heat, and cold nociceptive...
Source: Neurotherapeutics - October 13, 2020 Category: Neurology Source Type: research

Clinacanthus nutans Mitigates Neuronal Death and Reduces Ischemic Brain Injury: Role of NF- κB-driven IL-1β Transcription
AbstractNeuroinflammation has been shown to exacerbate ischemic brain injury, and is considered as a prime target for the development of stroke therapies.Clinacanthus nutans Lindau (C. nutans) is widely used in traditional medicine for treating insect bites, viral infection and cancer, due largely to its anti-oxidative and anti-inflammatory properties. Recently, we reported that an ethanol extract from the leaf ofC. nutans could protect the brain against ischemia-triggered neuronal death and infarction. In order to further understand the molecular mechanism(s) for its beneficial effects, two experimental paradigms, namely,...
Source: NeuroMolecular Medicine - October 5, 2020 Category: Neurology Source Type: research

AAV-mediated siRNA against TRPV1 reduces nociception in a rat model of bone cancer pain.
Conclusions: Knockdown of TRPV1 effectively ameliorated mechanical allodynia and thermal hyperalgesia induced by TCI. Our data demonstrated that modulate the expression of TRPV1 in the spinal cord could be a potential therapeutic approach for bone cancer pain. PMID: 31296147 [PubMed - as supplied by publisher]
Source: Neurological Research - July 13, 2019 Category: Neurology Tags: Neurol Res Source Type: research

CK2 inhibition confers functional protection to young and aging axons against ischemia by differentially regulating the CDK5 and AKT signaling pathways.
Abstract White matter (WM) is injured in most strokes, which contributes to functional deficits during recovery. Casein kinase 2 (CK2) is a protein kinase that is expressed in brain, including WM. To assess the impact of CK2 inhibition on axon recovery following oxygen glucose deprivation (OGD), mouse optic nerves (MONs), which are pure WM tracts, were subjected to OGD with or without the selective CK2 inhibitor CX-4945. CX-4945 application preserved axon function during OGD and promoted axon function recovery when applied before or after OGD. This protective effect of CK2 inhibition correlated with preservation o...
Source: Neurobiology of Disease - June 23, 2018 Category: Neurology Authors: Bastian C, Quinn J, Tripathi A, Aquila D, Dutta AMR, Baltan S, Brunet S Tags: Neurobiol Dis Source Type: research

AKAP150 involved in paclitaxel-induced neuropathic pain via inhibiting CN/NFAT2 pathway and downregulating IL-4
In this study, we found that A-kinase anchor protein 150 (AKAP150) was significantly upregulated after paclitaxel injection. Inhibition of AKAP150 via siRNA or AKAP150flox/flox in rodents alleviated the pain behavior induced by paclitaxel, and partly restored the decreased calcineurin (CN) phosphatase activity after paclitaxel treatment. Paclitaxel decreased the expression of anti-inflammatory cytokine interleukin-4 (IL-4), and intrathecal injections of IL-4 effectively alleviated paclitaxel-induced hypersensitivity and the frequency of dorsal root ganglion (DRG) neurons action potential. The decreased CN enzyme activity, ...
Source: Brain, Behavior, and Immunity - January 11, 2018 Category: Neurology Source Type: research

AKAP150 involved in Paclitaxel-Induced Neuropathic Pain via Inhibiting CN/NFAT2 pathway and downregulating IL-4.
In this study, we found that A-kinase anchor protein 150 (AKAP150) was significantly upregulated after paclitaxel injection. Inhibition of AKAP150 via siRNA or AKAP150(flox/flox) in rodents alleviated the pain behavior induced by paclitaxel, and partly restored the decreased calcineurin (CN) phosphatase activity after paclitaxel treatment. Paclitaxel decreased the expression of anti-inflammatory cytokine interleukin-4 (IL-4), and intrathecal injections of IL-4 effectively alleviated paclitaxel-induced hypersensitivity and the frequency of dorsal root ganglion (DRG) neurons action potential. The decreased CN enzyme activity...
Source: Brain, Behavior, and Immunity - October 19, 2017 Category: Neurology Authors: Nie B, Liu C, Bai X, Chen X, Wu S, Zhang S, Huang Z, Xie M, Xu T, Xin W, Zeng W, Ouyang H Tags: Brain Behav Immun Source Type: research

Carnosic Acid Suppresses the H 2 O 2 -Induced Mitochondria-Related Bioenergetics Disturbances and Redox Impairment in SH-SY5Y Cells: Role for Nrf2
AbstractThe phenolic diterpene carnosic acid (CA, C20H28O4) exerts antioxidant, anti-inflammatory, anti-apoptotic, and anti-cancer effects in mammalian cells. CA activates the nuclear factor erythroid 2-related factor 2 (Nrf2), among other signaling pathways, and restores cell viability in several in vitro and in vivo experimental models. We have previously reported that CA affords mitochondrial protection against various chemical challenges. However, it was not clear yet whether CA would prevent chemically induced impairment of the tricarboxylic acid cycle (TCA) function in mammalian cells. In the present work, we found t...
Source: Molecular Neurobiology - January 12, 2017 Category: Neurology Source Type: research

C-Terminal Binding Protein is Involved in Promoting to the Carcinogenesis of Human Glioma
AbstractC-terminal binding protein (CtBP) is responsible for regulating the pathogenesis of a lot of cancer types. However, whether CtBP1/2 is involved in regulating the growth and development of human glioma is still obscure. In the present study presented here, our results firstly reveal that CtBP1/2 deficiency, induced by siRNA interference, disrupts the functional integrity of the MRN complex that is responsible for DNA repair in human glioma cells. The dysfunction of the MRN complex further contributes to the up-regulation of ATM and Rad3-related kinase (ATR) and Chk1 signaling pathway, which inhibits cell cycle progr...
Source: Molecular Neurobiology - October 2, 2016 Category: Neurology Source Type: research

Clinacanthus nutans Protects Cortical Neurons Against Hypoxia-Induced Toxicity by Downregulating HDAC1/6
This study further opens a new avenue for the use of herbal medicines to regulate epigenetic control of brain injury.
Source: NeuroMolecular Medicine - May 9, 2016 Category: Neurology Source Type: research

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