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Neurosciences Commons™

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2009

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Articles 31 - 35 of 35

Full-Text Articles in Neurosciences

Treatment Options For Neuropathic Pain, Sara Akre Jan 2009

Treatment Options For Neuropathic Pain, Sara Akre

Honors Program Theses

Neuropathic pain is caused by injury to or disease of the nervous system. It affects many people around the world and is a symptom of several diseases. In the United States, it is estimated that up to 3% of Americans have neuropathic pain, which costs the healthcare system $40 billion annually (Gilron et al. 2006). It is, unfortunately, difficult to ameliorate or eliminate due to the complexity of the nervous system and its plasticity and is, therefore, a chronic condition. Health care professionals continually struggle to treat patients' pain and, since tolerance to painkillers is easily built up, this often …

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Proximal Sciatic Nerve Intraneural Ganglion Cyst, Karin R. Swartz, Dianne Wilson, Michael Boland, Dominic B. Fee Jan 2009

Proximal Sciatic Nerve Intraneural Ganglion Cyst, Karin R. Swartz, Dianne Wilson, Michael Boland, Dominic B. Fee

Neurosurgery Faculty Publications

Intraneural ganglion cysts are nonneoplastic, mucinous cysts within the epineurium of peripheral nerves which usually involve the peroneal nerve at the knee. A 37-year-old female presented with progressive left buttock and posterior thigh pain. Magnetic resonance imaging revealed a sciatic nerve mass at the sacral notch which was subsequently revealed to be an intraneural ganglion cyst. An intraneural ganglion cyst confined to the proximal sciatic nerve has only been reported once prior to 2009.

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Combined Effects Of Hyperglycemic Conditions And Hiv-1 Nef: A Potential Model For Induced Hiv Neuropathogenesis., Edward A Acheampong, Cassandra Roschel, Muhammad Mukhtar, Alagarsamy Srinivasan, Mohammad Rafi, Roger J Pomerantz, Zahida Parveen Jan 2009

Combined Effects Of Hyperglycemic Conditions And Hiv-1 Nef: A Potential Model For Induced Hiv Neuropathogenesis., Edward A Acheampong, Cassandra Roschel, Muhammad Mukhtar, Alagarsamy Srinivasan, Mohammad Rafi, Roger J Pomerantz, Zahida Parveen

Department of Neurology Faculty Papers

Hyperglycemic conditions associated with diabetes mellitus (DM) or with the use of antiretroviral therapy may increase the risk of central nervous system (CNS) disorders in HIV-1 infected patients. In support of this hypothesis, we investigated the combined effects of hyperglycemic conditions and HIV-1 accessory protein Nef on the CNS using both in vitro and in vivo models. Astrocytes, the most abundant glial cell type required for normal synaptic transmission and other functions were selected for our in vitro study. The results show that in vitro hyperglycemic conditions enhance the expression of proinflammatory cytokines including caspase-3, complement factor 3 (C3), and …

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The Efficacy Of Surgical Decompression Before 24 Hours Versus 24 To 72 Hours In Patients With Spinal Cord Injury From T1 To L1--With Specific Consideration On Ethics: A Randomized Controlled Trial., Vafa Rahimi-Movaghar, Soheil Saadat, Alexander R Vaccaro, Seyed Mohammad Ghodsi, Mohammad Samadian, Arya Sheykhmozaffari, Seyed Mohammad Safdari, Bahram Keshmirian Jan 2009

The Efficacy Of Surgical Decompression Before 24 Hours Versus 24 To 72 Hours In Patients With Spinal Cord Injury From T1 To L1--With Specific Consideration On Ethics: A Randomized Controlled Trial., Vafa Rahimi-Movaghar, Soheil Saadat, Alexander R Vaccaro, Seyed Mohammad Ghodsi, Mohammad Samadian, Arya Sheykhmozaffari, Seyed Mohammad Safdari, Bahram Keshmirian

Department of Neurosurgery Faculty Papers

BACKGROUND: There is no clear evidence that early decompression following spinal cord injury (SCI) improves neurologic outcome. Such information must be obtained from randomized controlled trials (RCTs). To date no large scale RCT has been performed evaluating the timing of surgical decompression in the setting of thoracolumbar spinal cord injury. A concern for many is the ethical dilemma that a delay in surgery may adversely effect neurologic recovery although this has never been conclusively proven. The purpose of this study is to compare the efficacy of early (before 24 hours) verse late (24-72 hours) surgical decompression in terms of neurological …

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Mitochondrial Fragmentation Is Involved In Methamphetamine-Induced Cell Death In Rat Hippocampal Neural Progenitor Cells., Changhai Tian, L. Charles Murrin, Jialin C. Zheng Jan 2009

Mitochondrial Fragmentation Is Involved In Methamphetamine-Induced Cell Death In Rat Hippocampal Neural Progenitor Cells., Changhai Tian, L. Charles Murrin, Jialin C. Zheng

Journal Articles: Pharmacology & Experimental Neuroscience

Methamphetamine (METH) induces neurodegeneration through damage and apoptosis of dopaminergic nerve terminals and striatal cells, presumably via cross-talk between the endoplasmic reticulum and mitochondria-dependent death cascades. However, the effects of METH on neural progenitor cells (NPC), an important reservoir for replacing neurons and glia during development and injury, remain elusive. Using a rat hippocampal NPC (rhNPC) culture, we characterized the METH-induced mitochondrial fragmentation, apoptosis, and its related signaling mechanism through immunocytochemistry, flow cytometry, and Western blotting. We observed that METH induced rhNPC mitochondrial fragmentation, apoptosis, and inhibited cell proliferation. The mitochondrial fission protein dynamin-related protein 1 (Drp1) and reactive oxygen …

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