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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
Induction Of Mir-155 After Brain Injury Promotes Type 1 Interferon And Has A Neuroprotective Effect., Emily Harrison, Kathleen M. Emanuel, Benjamin G. Lamberty, Brenda M. Morsey, Min Li, Matthew L. Kelso, Sowmya V. Yelamanchili, Howard S. Fox
Induction Of Mir-155 After Brain Injury Promotes Type 1 Interferon And Has A Neuroprotective Effect., Emily Harrison, Kathleen M. Emanuel, Benjamin G. Lamberty, Brenda M. Morsey, Min Li, Matthew L. Kelso, Sowmya V. Yelamanchili, Howard S. Fox
Journal Articles: Pharmacology & Experimental Neuroscience
Traumatic brain injury (TBI) produces profound and lasting neuroinflammation that has both beneficial and detrimental effects. Recent evidence has implicated microRNAs (miRNAs) in the regulation of inflammation both in the periphery and the CNS. We examined the expression of inflammation associated miRNAs in the context of TBI using a mouse controlled cortical impact (CCI) model and found increased levels of miR-21, miR-223 and miR-155 in the hippocampus after CCI. The expression of miR-155 was elevated 9-fold after CCI, an increase confirmed by in situ hybridization (ISH). Interestingly, expression of miR-155 was largely found in neuronal nuclei as evidenced by co-localization …
Serial Deletion Reveals Structural Basis And Stability For The Core Enzyme Activity Of Human Glutaminase 1 Isoforms: Relevance To Excitotoxic Neurodegeneration., Yuju Li, Justin Peer, Runze Zhao, Yinghua Xu, Beiqing Wu, Yi Wang, Changhai Tian, Yunlong Huang, Jialin C. Zheng
Serial Deletion Reveals Structural Basis And Stability For The Core Enzyme Activity Of Human Glutaminase 1 Isoforms: Relevance To Excitotoxic Neurodegeneration., Yuju Li, Justin Peer, Runze Zhao, Yinghua Xu, Beiqing Wu, Yi Wang, Changhai Tian, Yunlong Huang, Jialin C. Zheng
Journal Articles: Pharmacology & Experimental Neuroscience
BACKGROUND: Glutaminase 1 is a phosphate-activated metabolic enzyme that catalyzes the first step of glutaminolysis, which converts glutamine into glutamate. Glutamate is the major neurotransmitter of excitatory synapses, executing important physiological functions in the central nervous system. There are two isoforms of glutaminase 1, KGA and GAC, both of which are generated through alternative splicing from the same gene. KGA and GAC both transcribe 1-14 exons in the N-terminal, but each has its unique C-terminal in the coding sequence. We have previously identified that KGA and GAC are differentially regulated during inflammatory stimulation and HIV infection. Furthermore, glutaminase 1 has …
A Mature Macrophage Is A Principal Hiv-1 Cellular Reservoir In Humanized Mice After Treatment With Long Acting Antiretroviral Therapy., Mariluz Araínga, Benson J. Edagwa, R. Lee Mosley, Larisa Y. Poluektova, Santhi Gorantla, Howard Gendelman
A Mature Macrophage Is A Principal Hiv-1 Cellular Reservoir In Humanized Mice After Treatment With Long Acting Antiretroviral Therapy., Mariluz Araínga, Benson J. Edagwa, R. Lee Mosley, Larisa Y. Poluektova, Santhi Gorantla, Howard Gendelman
Journal Articles: Pharmacology & Experimental Neuroscience
BACKGROUND: Despite improved clinical outcomes seen following antiretroviral therapy (ART), resting CD4+ T cells continue to harbor latent human immunodeficiency virus type one (HIV-1). However, such cells are not likely the solitary viral reservoir and as such defining where and how others harbor virus is imperative for eradication measures. To such ends, we used HIV-1ADA-infected NOD.Cg-Prkdc (scid) Il2rg (tm1Wjl) /SzJ mice reconstituted with a human immune system to explore two long-acting ART regimens investigating their abilities to affect viral cell infection and latency. At 6 weeks of infection animals were divided into four groups. One received long-acting (LA) cabotegravir (CAB) …
Kiss-And-Run Is A Significant Contributor To Synaptic Exocytosis And Endocytosis In Photoreceptors., Xiangyi Wen, Grant W. Saltzgaber, Wallace B. Thoreson
Kiss-And-Run Is A Significant Contributor To Synaptic Exocytosis And Endocytosis In Photoreceptors., Xiangyi Wen, Grant W. Saltzgaber, Wallace B. Thoreson
Journal Articles: Pharmacology & Experimental Neuroscience
Accompanying sustained release in darkness, rod and cone photoreceptors exhibit rapid endocytosis of synaptic vesicles. Membrane capacitance measurements indicated that rapid endocytosis retrieves at least 70% of the exocytotic membrane increase. One mechanism for rapid endocytosis is kiss-and-run fusion where vesicles briefly contact the plasma membrane through a small fusion pore. Release can also occur by full-collapse in which vesicles merge completely with the plasma membrane. We assessed relative contributions of full-collapse and kiss-and-run in salamander photoreceptors using optical techniques to measure endocytosis and exocytosis of large vs. small dye molecules. Incubation with small dyes (SR101, 1 nm; 3-kDa dextran-conjugated …
Proteome Analysis Of Bronchoalveolar Lavage From Calves Infected With Bovine Respiratory Syncytial Virus-Insights In Pathogenesis And Perspectives For New Treatments., Sara Hägglund, Krister Blodörn, Katarina Näslund, Karin Vargmar, Sara Bergström Lind, Jia Mi, Mariluz Araínga, Sabine Riffault, Geraldine Taylor, John Pringle, Jean François Valarcher
Proteome Analysis Of Bronchoalveolar Lavage From Calves Infected With Bovine Respiratory Syncytial Virus-Insights In Pathogenesis And Perspectives For New Treatments., Sara Hägglund, Krister Blodörn, Katarina Näslund, Karin Vargmar, Sara Bergström Lind, Jia Mi, Mariluz Araínga, Sabine Riffault, Geraldine Taylor, John Pringle, Jean François Valarcher
Journal Articles: Pharmacology & Experimental Neuroscience
Human and bovine respiratory syncytial viruses (HRSV/BRSV) are major causes of severe lower respiratory tract infections in children and calves, respectively. Shared epidemiological, clinical, pathological and genetic characteristics of these viruses make comparative research highly relevant. To characterise the host response against BRSV infection, bronchoalveolar lavage supernatant (BAL) from i) non-vaccinated, BRSV-infected ii) vaccinated, BRSV-infected and iii) non-infected calves was analysed by tandem mass spectrometry. Proteins were semi-quantified and protein expression was validated by immunoblotting. Correlations between selected proteins and pathology, clinical signs and virus shedding were investigated. Calves with BRSV-induced disease had increased total protein concentrations and a decreased …