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Dasa Cizkova, Veronika Cubinkova, Tomas Smolek, Adriana-Natalia Murgoci, Jan Danko, Katarina Vdoviakova, Filip Humenik, Milan Cizek, Jusal Quanico, Isabelle Fournier, Michel Salzet
It was recently shown that the conditioned medium (CM) of mesenchymal stem cells can enhance viability of neural and glial cell populations. In the present study, we have investigated a cell-free approach via CM from rat bone marrow stromal cells (MScCM) applied intrathecally (IT) for spinal cord injury (SCI) recovery in adult rats. Functional in vitro test on dorsal root ganglion (DRG) primary cultures confirmed biological properties of collected MScCM for production of neurosphere-like structures and axon outgrowth...
March 15, 2018: International Journal of Molecular Sciences
Gabriel Carvajal, Denis Dupoiron, Valerie Seegers, Nathalie Lebrec, François Boré, Pierre-Yves Dubois, Damien Leblanc, Thierry Delorme, Sabrina Jubier-Hamon
BACKGROUND: Pancreatic cancer is the fourth leading cause of cancer-related death in Europe and the United States. Studies have demonstrated that patients with pancreatic cancer have a high prevalence of pain, with rates varying from 47% to 82%. Analgesia using intrathecal drug delivery systems (IDDS) has been poorly studied specifically in this population. METHODS: The IDDS for pancreatic cancer pain was a follow-up observational study designed to evaluate 11-year results of IDDS for refractory pancreatic cancer pain at the Institut de Cancérologie de L'Ouest, Paul Papin in France...
March 14, 2018: Anesthesia and Analgesia
Gladstone C McDowell, Joseph Winchell
OBJECTIVES: The majority of patients seeking medical care for chronic pain consult a primary care physician (PCP). Because systemic opioids are commonly prescribed to patients with chronic pain, PCPs are attempting to balance the competing priorities of providing adequate pain relief while reducing risks for opioid misuse and overdose. It is important for PCPs to be aware of pain management strategies other than systemic opioid dose escalation when patients with chronic pain fail to respond to conservative therapies and to initiate a multimodal treatment plan...
March 15, 2018: Postgraduate Medicine
Amara Gul, Sadia Zafar
The objective of the current study was to compare cognitive flexibility and emotion regulation between childhood survivors of Acute Lymphoblastic Leukaemia (ALL) and healthy control subjects. Twenty-five childhood survivors of ALL treated with intrathecal chemotherapy between 2013 to 2016 from Shaukat Khanum Memorial Cancer Hospital, Children Hospital and Jinnah Hospital Lahore and twenty-five healthy demographically matched children (control group) participated in the study. Participants performed task switching experiment as a measure of cognitive flexibility and emotion regulation questionnaire for children and adolescents...
March 2018: JPMA. the Journal of the Pakistan Medical Association
Royce Johnson, Jackie Ho, Pete Fowler, Arash Heidari
PURPOSE OF REVIEW: This article summarizes the diagnosis and treatment of coccidioidal meningitis (CM) and its complications. An overview of current and prospective pharmacologic treatment options and monitoring parameters is provided. A consensus has not been reached regarding universally accepted therapeutic serum levels for azoles because of insufficient evidence. We describe the preferred therapeutic drug level ranges that our institution uses to monitor azole therapy. RECENT FINDINGS: Ho et al...
March 13, 2018: Current Neurology and Neuroscience Reports
C G Bien
The paraneoplastic and autoimmune encephalitides are now well-established entities. Detection of neural autoantibodies enables specific diagnoses, provides information on the underlying disease pathophysiology, immunological treatability and the likelihood of a tumor being the underlying cause. This is true for the "high ranking" neural antibodies that have been established in the context of circumscribed clinical images and in consideration of large control groups, have been found in the same way by other laboratories and they respond to immunotherapy...
March 13, 2018: Der Nervenarzt
Alessia Pellerino, Luca Bertero, Roberta Rudà, Riccardo Soffietti
Neoplastic meningitis (NM) is a devastating complication of solid tumors with poor outcome. Some randomized clinical trials have been conducted with heterogeneous inclusion criteria, diagnostic parameters, response evaluation and primary endpoints. Recently, the Leptomeningeal Assessment in Neuro-Oncology (LANO) Group and the European Society for Medical Oncology/European Association for Neuro-Oncology have proposed some recommendations in order to provide diagnostic criteria and response evaluation scores for NM...
2018: Therapeutic Advances in Neurological Disorders
Elise Allender, Harvinderjeet Deol, Sarah Schram, Kathleen J Maheras, Alexander Gow, Eleanor H Simpson, Fei Song
Neuregulin1 (NRG1) is a differentiation factor that regulates glial development, survival, synaptogenesis, axoglial interactions, and microglial activation. We previously reported that a targeted NRG1 antagonist (HBD-S-H4) given intrathecally, reduces inflammatory microglial activation in a spinal cord pain model and a neurodegenerative disease mouse model in vivo, suggesting that it may have effects in neuroninflammatory and neuronal disorders. We hypothesized that expression of HBD-S-H4 in the central nervous system (CNS) could reduce disease severity in experimental autoimmune encephalomyelitis (EAE), a widely used animal model for multiple sclerosis (MS)...
March 10, 2018: Journal of Neuroimmunology
Ling Zhou, Jian Huang, Changwang Chen
BACKGROUND: To determine the most effective pain-control procedure for open liver surgery through a network meta-analysis and provide a best developing direction in this field. METHODS: PubMed, Embase and Cochrane Library database were searched for randomized controlled trials up to 1 July 2016. We extracted data on post-operative pain score at the 4th-8th hour and 24th hour from studies that compared various pain-control strategies. Network meta-analysis was conducted in Aggregate Data Drug Information System software by evaluating the parametric pain score at rest and on movement...
March 13, 2018: ANZ Journal of Surgery
Justin Ralph Abbatemarco, Mary Alissa Willis, Robert G Wilson, Sean J Nagel, Andre G Machado, Francois A Bethoux
OBJECTIVES: Stiff-person syndrome (SPS) is associated with axial rigidity superimposed on sustained muscle spasms. These symptoms commonly interfere with the performance of activities of daily living including ambulation. This retrospective case series evaluates the outcomes of screening tests and chronic infusion of intrathecal baclofen (ITB) in patients diagnosed with SPS treated in our spasticity clinic. MATERIALS AND METHODS: Patients were identified from an institutional review board-approved clinical registry of ITB therapy...
March 13, 2018: Neuromodulation: Journal of the International Neuromodulation Society
Peter M Grace, Xiaohui Wang, Keith A Strand, Michael V Baratta, Yingning Zhang, Erika L Galer, Hang Yin, Steven F Maier, Linda R Watkins
The absence of selective pharmacological tools is a major barrier to the in vivo study of microglia. To address this issue, we developed a Gq - and Gi -coupled Designer Receptor Exclusively Activated by a Designer Drug (DREADD) to enable selective stimulation or inhibition of microglia, respectively. DREADDs under a CD68 (microglia/macrophage) promoter were intrathecally transfected via an AAV9 vector. Naïve male rats intrathecally transfected with Gq (stimulatory) DREADDs exhibited significant allodynia following intrathecal administration of the DREADD-selective ligand clozapine-N-oxide (CNO), which was abolished by intrathecal interleukin-1 receptor antagonist...
March 9, 2018: Experimental Neurology
Sarah Falk
Pain is a major complication for cancer patients significantly compromising their quality of life. Current treatment is far from optimal and particularly bone-related cancer pain poses an increasing clinical and socio-economical problem. Connexins, key proteins in cell-cell communication, have the potential to affect cancer-induced bone pain at multiple levels, including nociceptive signaling and bone degradation. This study tested the analgesic potential of carbenoxolone, a broad-acting connexin blocker, in a mouse model of cancer-induced bone pain...
March 6, 2018: Pain
Sylvia A Duraski, Anjum Sayyad
This article details an unreported potential cause of withdrawal symptoms in a patient with cerebral palsy who experienced intrathecal baclofen withdrawal shortly after placement of a baclofen pump with subsequent refill with Gablofen. Initial implantation of the baclofen pump with Lioresal occurred after a successful hospital trial of intrathecal injection via lumbar puncture. However, later, the patient did experience signs and symptoms of baclofen withdrawal after a pump refill was performed with Gablofen...
April 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
R Magliozzi, O W Howell, R Nicholas, C Cruciani, M Castellaro, C Romualdi, S Rossi, M Pitteri, M D Benedetti, A Gajofatto, F B Pizzini, S Montemezzi, S Rasia, R Capra, A Bertoldo, F Facchiano, S Monaco, R Reynolds, M Calabrese
OBJECTIVE: Grey matter (GM) damage and meningeal inflammation have been associated with early disease onset and a more aggressive disease course in Multiple Sclerosis (MS), but can these changes be identified in the patient early in the disease course? METHODS: To identify possible biomarkers linking meningeal inflammation, GM damage and disease severity, gene and protein expression were analysed in meninges and CSF from 27 post-mortem secondary progressive MS (SPMS) and 14 control cases...
March 8, 2018: Annals of Neurology
Ida M Ki Moore, Kari M Koerner, Patricia M Gundy, David W Montgomery, Kathleen C Insel, Lynnette L Harris, Olga A Taylor, Marilyn J Hockenberry
Aggressive central nervous system (CNS)-directed treatment for acute lymphoblastic leukemia (ALL), the most prevalent cancer among children and adolescents, prevents metastasis of leukemia cells into the brain. Up to 60% of survivors experience cognitive problems, but knowledge about risk factors for and mechanisms of neurologic injury is lacking. Objectives of the present study were to (1) quantify changes in oxidant defense and apoptosis over the course of ALL therapy and (2) elucidate risk factors for long-term cognitive problems...
January 1, 2018: Biological Research for Nursing
Thibo Billiet, Iris Elens, Charlotte Sleurs, Anne Uyttebroeck, Rudi D'Hooge, Jurgen Lemiere, Sabine Deprez
Background: This study aimed to assess functional and structural brain connectivity in adult childhood leukemia survivors and the link with cognitive functioning and previously identified risk factors such as intrathecal methotrexate dose and age at start of therapy. Methods: Thirty-one nonirradiated adult childhood leukemia survivors and 35 controls underwent cognitive testing and multimodal magnetic resonance imaging (resting state functional MRI, T1-weighted, diffusion-weighted, and myelin water imaging [MWI])...
March 5, 2018: Journal of the National Cancer Institute
Ibis M Agosto, Nicole L Nichols, Gordon S Mitchell
Although systemic inflammation induced by even a low dose of lipopolysaccharide (LPS, 100uL/kg) impairs respiratory motor plasticity, little is known concerning cellular mechanisms giving rise to this inhibition. Phrenic motor facilitation (pMF) is a form of respiratory motor plasticity elicited by pharmacological agents applied to the cervical spinal cord, or by acute intermittent hypoxia (AIH; 3, 5 min hypoxic episodes); when elicited by AIH, pMF is known as phrenic long-term facilitation (pLTF). AIH consisting of moderate hypoxic episodes (mAIH, PaO2 = 35-55 mmHg) elicits pLTF via the Q- pathway to pMF, a mechanism that requires spinal serotonin (5HT2) receptor activation and new BDNF protein synthesis...
March 7, 2018: Journal of Neurophysiology
Tilman Hottenrott, Elisabeth Schorb, Kristina Fritsch, Rick Dersch, Benjamin Berger, Daniela Huzly, Sebastian Rauer, Ludger Tebartz van Elst, Dominique Endres, Oliver Stich
Some patients with primary central nervous system lymphoma (PCNSL) may initially present with similar clinical, magnetic resonance imaging, and routine cerebrospinal fluid (CSF) findings as those observed in multiple sclerosis (MS). The MRZ reaction (MRZR), composed of the three respective antibody indices (AIs) against measles, rubella, and varicella zoster virus, appears to be the most specific CSF marker for MS. This study aimed to determine whether a positive MRZR and other routine CSF markers help differentiate between MS and PCNSL...
March 6, 2018: Journal of Neurology
Danika Paulo, Alexa Semonche, Rachana Tyagi
BACKGROUND: Giant invasive spinal schwannomas (GISS) comprise a rare, specific subtype of schwannomas that extend over two spinal levels, erode vertebral bodies and invade extraspinal tissues. Optimal surgical management of resulting spinal instability has yet to be determined, and overall there is limited published literature on GISS. We report an innovative method used to treat a rare case of lumbosacral GISS using a triangular frame reconstruction to reconnect the spinal column to the pelvis after tumor debulking...
March 3, 2018: World Neurosurgery
Liansheng Liu, Yaohui Zhu, Michaël Noë, Qian Li, Pankaj Jay Pasricha
BACKGROUND & AIMS: Chronic pancreatitis (CP) is characterized by pancreatic inflammation and fibrosis, associated with increased pancreatic expression of transforming growth factor beta (TGFB). It is not clear how these might contribute to pain. We investigated whether TGFB signaling via SMAD induces sensitization of pancreatic sensory neurons to increase nociception. METHODS: CP was induced in Sprague-Dawley rats by infusion of trinitrobenzene sulfonic acid; some rats were given intrathecal infusions of TGFB1...
March 2, 2018: Gastroenterology
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