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https://www.readbyqxmd.com/read/28449321/a-review-of-associated-controversies-surrounding-glucocorticoid-use-in-veterinary-emergency-and-critical-care
#1
Maya A Aharon, Jennifer E Prittie, Kate Buriko
OBJECTIVE: To review the literature in human and veterinary medicine regarding the indications for, efficacy of, and controversies surrounding glucocorticoid (GC) administration in the emergency and critical care (ECC) setting, and to provide an overview of the most commonly used synthetic GC formulations. MEDICATIONS: Synthetic GCs vary in GC and mineralocorticoid potency, hypothalamic pituitary axis suppression, duration of action, route of administration, and clinical indication for use...
April 27, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28449033/response-assessment-in-medulloblastoma-and-leptomeningeal-seeding-tumors-recommendations-from-the-response-assessment-in-pediatric-neuro-oncology-committee
#2
Katherine E Warren, Gilbert Vezina, Tina Y Poussaint, Monika Warmuth-Metz, Marc C Chamberlain, Roger J Packer, Alba A Brandes, Moshe Reiss, Stewart Goldman, Michael J Fisher, Ian F Pollack, Michael D Prados, Patrick Y Wen, Susan M Chang, Christelle Dufour, David Zurakowski, Rolf D Kortmann, Mark W Kieran
Lack of standard response criteria in clinical trials for medulloblastoma and other seeding tumors complicates assessment of therapeutic efficacy and comparisons across studies. An international working group was established to develop consensus recommendations for response assessment. The aim is that these recommendations be prospectively evaluated in clinical trials, with the goal of achieving more reliable risk stratification and uniformity across clinical trials. Current practices and literature review were performed to identify major confounding issues and justify subsequently developed recommendations; in areas lacking scientific investigations, recommendations were based on experience of committee members and consensus was reached after discussion...
April 25, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28447514/neuroprotective-effects-of-ellagic-acid-on-cuprizone-induced-acute-demyelination-through-limitation-of-microgliosis-adjustment-of-cxcl12-il-17-il-11-axis-and-restriction-of-mature-oligodendrocytes-apoptosis
#3
Nima Sanadgol, Fereshteh Golab, Zakiyeh Tashakkor, Nooshin Taki, Samira Moradi Kouchi, Ali Mostafaie, Mehdi Mehdizadeh, Mohammad Abdollahi, Ghorban Taghizadeh, Mohammad Sharifzadeh
CONTEXT: Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuropathologic conditions. OBJECTIVE: In vivo neuroprotective effects of EA on cuprizone (cup)-induced demyelination were evaluated. MATERIAL AND METHODS: C57BL/6 J mice were fed with chow containing 0.2% cup for 4 weeks to induce oligodendrocytes (OLGs) depletion predominantly in the corpus callosum (CC)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28447333/efficacy-and-tolerability-of-lithium-in-treating-acute-mania-in-youth-with-bipolar-disorder-protocol-for-a-systematic-review
#4
A Duffy, S Patten, S Goodday, A Weir, N Heffer, A Cipriani
BACKGROUND: Epidemiological, clinical, and high-risk studies have provided evidence that the peak period for onset of diagnosable episodes of mania and hypomania starts in mid-to-late adolescence. Moreover, clinically significant manic symptoms may occur even earlier, especially in children at familial risk. Lithium is the gold standard treatment for acute mania in adults, yet to our knowledge, there is no published systematic review assessing lithium treatment of mania in children or adolescents...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28447313/stereotactic-ablative-radiation-therapy-for-brain-metastases-with-volumetric-modulated-arc-therapy-and-flattening-filter-free-delivery-feasibility-and-early-clinical-results
#5
Alba Fiorentino, Niccolò Giaj-Levra, Umberto Tebano, Rosario Mazzola, Francesco Ricchetti, Sergio Fersino, Gioacchino Di Paola, Dario Aiello, Ruggero Ruggieri, Filippo Alongi
AIM: For selected patients with brain metastases (BMs), the role of stereotactic radiosurgery (SRS) or fractionated stereotactic radiotherapy (SFRT) is well recognized. The recent introduction of flattening filter free (FFF) delivery during linac-based SRS or SFRT allows shorter beam-on-time, improving patients' comfort and facility workflow. Nevertheless, limited experiences evaluated the impact of FFF linac-based SRS and SFRT in BMs treatment. Aim of the current study was to analyze SRS/SFRT linac-based FFF delivery for BMs in terms of dosimetric and early clinical results...
April 26, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28446518/glutaminyl-cyclase-inhibitor-pq912-improves-cognition-in-mouse-models-of-alzheimer-s-disease-studies-on-relation-to-effective-target-occupancy
#6
Torsten Hoffmann, Antje Meyer, Ulrich Heiser, Stephan Kurat, Livia Bohme, Martin Kleinschmidt, Karl-Ulrich Buhring, Birgit Hutter-Paier, Martina Farcher, Hans-Ulrich Demuth, Inge Lues, Stephan Schilling
Numerous studies suggest that the majority of Aβ peptides deposited in Alzheimer's Disease (AD) is truncated and post-translationally modified at the N-terminus. Among these modified species, pyroglutamyl-Aβ (pE-Aβ including N3pE-Aβ42) has been identified as particularly neurotoxic. The N-terminal modification renders the peptide hydrophobic, accelerates formation of oligomers and reduces degradation by peptidases leading ultimately to the accumulation of the peptide and progression of AD. It has been shown, that the formation of pyroglutamyl residues is catalysed by glutaminyl cyclase (QC)...
April 26, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28445874/erythropoietin-treatment-exacerbates-moderate-injury-after-hypoxia-ischemia-in-neonatal-superoxide-dismutase-transgenic-mice
#7
R Ann Sheldon, Christine Windsor, Byong Sop Lee, Olatz Arteaga Cabeza, Donna M Ferriero
The neonatal brain is highly susceptible to oxidative stress as developing endogenous antioxidant mechanisms are overwhelmed. In the neonate, superoxide dismutase (SOD) overexpression worsens hypoxic-ischemic injury due to H2O2 accumulation in the brain. Erythropoietin (EPO) is upregulated in 2 phases after HI, early (4 h) and late (7 days), and exogenous EPO has been effective in reducing the injury, possibly through reducing oxidative stress. We hypothesized that exogenous EPO would limit injury from excess H2O2 seen in SOD1-overexpressing mice, and thus enhance recovery after HI...
April 27, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28445774/voxresnet-deep-voxelwise-residual-networks-for-brain-segmentation-from-3d-mr-images
#8
REVIEW
Hao Chen, Qi Dou, Lequan Yu, Jing Qin, Pheng-Ann Heng
Segmentation of key brain tissues from 3D medical images is of great significance for brain disease diagnosis, progression assessment and monitoring of neurologic conditions. While manual segmentation is time-consuming, laborious, and subjective, automated segmentation is quite challenging due to the complicated anatomical environment of brain and the large variations of brain tissues. We propose a novel voxelwise residual network (VoxResNet) with a set of effective training schemes to cope with this challenging problem...
April 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/28443484/manual-aspiration-thrombectomy-with-a-penumbra-catheter-for-acute-anterior-cerebral-artery-occlusion
#9
Gyung Ho Chung, Hyo Sung Kwak, Jung Soo Park, Jong Myong Lee
Purpose The purpose of this article is to assess the efficacy and safety of manual aspiration thrombectomy (MAT) using a Penumbra catheter in patients with anterior cerebral artery (ACA) occlusions. Materials and methods From January 2012 to March 2016, 16 patients underwent MAT with Penumbra catheters using a proximal and distal supporting technique to treat ACA occlusions. We evaluated immediate angiographic results and clinical outcomes by reviewing patient electrical medical records. Results Of these patients, 11 had a complete obstruction of the distal internal carotid artery (ICA) and five had ACA and middle cerebral artery (MCA) occlusions...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28443372/cord-blood-as-a-potential-therapeutic-for-amyotrophic-lateral-sclerosis
#10
Svitlana Garbuzova-Davis, Jared Ehrhart, Paul R Sanberg
Amyotrophic Lateral Sclerosis (ALS) is a fatal neurodegenerative disease characterized by progressive motor neuron degeneration in the brain and spinal cord. Treatment options are limited due to the complexity of underlying disease factors. Cell therapy, using human umbilical cord blood (hUCB) cells may be a promising new treatment for ALS, mainly by providing a protective microenvironment for motor neuron survival. Areas covered: Composition and in vitro and in vivo differentiation of hUCB cells and the advantages of cord blood as a source of transplant cells are discussed...
April 26, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28443023/inhibition-of-vegf-and-angiopoietin-2-to-reduce-brain-metastases-of-breast-cancer-burden
#11
Kaci A Bohn, Chris E Adkins, Mohamed I Nounou, Paul R Lockman
For metastases in the central nervous system, angiogenesis enhances metastatic potential and promotes progression. Primary factors which drive vessel growth are vascular endothelial growth factor (VEGF) and angiopoietin-2. Preclinical models show inhibition of either factor reduces metastases spread and inhibits growth. This work sets out to answer two questions in a preclinical mouse model. First, whether the combined inhibition of VEGF and angiopoietin-2, reduces passive permeability and limits drug uptake into brain metastases; and second, whether this inhibition reduces metastases burden in brain...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28442989/perinatal-brain-injury-as-a-consequence-of-preterm-birth-and-intrauterine-inflammation-designing-targeted-stem-cell-therapies
#12
REVIEW
Madison C B Paton, Courtney A McDonald, Beth J Allison, Michael C Fahey, Graham Jenkin, Suzanne L Miller
Chorioamnionitis is a major cause of preterm birth and brain injury. Bacterial invasion of the chorion and amnion, and/or the placenta, can lead to a fetal inflammatory response, which in turn has significant adverse consequences for the developing fetal brain. Accordingly, there is a strong causal link between chorioamnionitis, preterm brain injury and the pathogenesis of severe postnatal neurological deficits and cerebral palsy. Currently there are no treatments to protect or repair against brain injury in preterm infants born after pregnancy compromised by intrauterine infection...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28442918/targeting-the-pd-1-pathway-in-pediatric-solid-tumors-and-brain-tumors
#13
REVIEW
Lars M Wagner, Val R Adams
While remarkable advances have been made in the treatment of pediatric leukemia over the past decades, new therapies are needed for children with advanced solid tumors and high-grade brain tumors who fail standard chemotherapy regimens. Immunotherapy with immune checkpoint inhibitors acting through the programmed cell death-1 (PD-1) pathway has shown efficacy in some chemotherapy-resistant adult cancers, generating interest that these agents may also be helpful to treat certain refractory pediatric malignancies...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28442586/therapeutic-targeting-of-ptk7-is-cytotoxic-in-atypical-teratoid-rhabdoid-tumors
#14
Shanta M Messerli, Mariah M Hoffman, Etienne Z Gnimpieba, Ratan D Bhardwaj
Novel discoveries involving the evaluation of potential therapeutics are based on newly identified molecular targets for atypical teratoid rhabdoid tumors (ATRT), which are the most common form of infantile brain tumors. Central nervous system ATRTs are rare, aggressive, and fast growing tumors of the brain and spinal cord and carry a very poor prognosis. Currently, the standard of care for ATRT patients is based on surgical resection followed by systemic chemotherapy and radiation therapy, which result in severe side effects...
April 25, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28442422/effects-of-low-frequency-rtms-treatment-on-brain-networks-for-inner-speech-in-patients-with-schizophrenia-and-auditory-verbal-hallucinations
#15
Leonie Bais, Edith Liemburg, Ans Vercammen, Richard Bruggeman, Rikus Knegtering, André Aleman
INTRODUCTION: Efficacy of repetitive Transcranial Magnetic Stimulation (rTMS) targeting the temporo-parietal junction (TPJ) for the treatment of auditory verbal hallucinations (AVH) remains under debate. We assessed the influence of a 1Hz rTMS treatment on neural networks involved in a cognitive mechanism proposed to subserve AVH. METHODS: Patients with schizophrenia (N=24) experiencing medication-resistant AVH completed a 10-day 1Hz rTMS treatment. Participants were randomized to active stimulation of the left or bilateral TPJ, or sham stimulation...
April 22, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28442345/characterization-of-a-recombinant-humanized-anti-cocaine-antibody-produced-from-multiple-clones-for-the-selection-of-a-master-cell-bank-candidate
#16
Hanna N Wetzel, Rose P Webster, Fatima Saeed, Terence L Kirley, William J Ball, Andrew B Norman
We have generated a humanized anti-cocaine monoclonal antibody (mAb), which is at an advanced stage of pre-clinical development. We report here in vitro binding affinity studies, and in vivo pharmacokinetic and efficacy studies of the recombinant mAb. The overall aim was to characterize the recombinant antibody from each of the three highest producing transfected clones and to select one to establish a master cell bank. In mAb pharmacokinetic studies, after injection with h2E2 (120 mg/kg iv) blood was collected from the tail tip of mice over 28 days...
April 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28442274/sex-differences-in-exercise-efficacy-to-improve-cognition-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials-in-older-humans
#17
REVIEW
Cindy K Barha, Jennifer C Davis, Ryan S Falck, Lindsay S Nagamatsu, Teresa Liu-Ambrose
Exercise is a non-pharmacological strategy to mitigate the deleterious effects of aging on brain health. However, a large amount of variation exists in its efficacy. Sex of participants and exercise type are two possible factors contributing to this variation. To better understand this, we conducted a concurrent systematic review and meta-analysis of cognitively healthy older adults. Executive functions, episodic memory, visuospatial function, word fluency, processing speed and global cognitive function were examined for exercise- and sex-dependent effects...
April 22, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/28442265/downregulation-of-%C3%AE-arrestin-1-suppresses-glioblastoma-cell-growth-and-glycolysis-via-inhibition-of-src-signaling
#18
Tian Lan, Haoran Wang, Zhihua Zhang, Mingshan Zhang, Yanming Qu, Zitong Zhao, Xinyi Fan, Qimin Zhan, Yongmei Song, Chunjiang Yu
Glioblastoma multiforme (GBM) is one of the most common brain malignancies worldwide and is typically associated with a dismal prognosis, yet the mechanisms underlying its aggressiveness remain unclear. Here, we revealed that β-arrestin 1 was overexpressed in GBM and contributed to poorer outcome. Knockdown of β-arrestin 1 suppressed the proliferation, invasiveness and glycolysis of GBM cells, and also enhanced temozolomide efficacy. Further, we discovered that knockdown of β-arrestin 1 decreased the activity of Src, and suppression of Src signaling was critically involved in β-arrestin 1 silencing-mediated suppression of GBM malignancies...
April 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28441895/ketamine-s-dose-related-effects-on-anxiety-symptoms-in-patients-with-treatment-refractory-anxiety-disorders
#19
Paul Glue, Natalie J Medlicott, Sarah Harland, Shona Neehoff, Bridie Anderson-Fahey, Martin Le Nedelec, Andrew Gray, Neil McNaughton
The N-methyl-D-aspartate receptor antagonist ketamine has rapid onset activity in treatment-resistant depression, post-traumatic stress disorder and obsessive compulsive disorder. Due to similarities in brain network activity in depression and anxiety disorders, we hypothesized that ketamine might also be active in other refractory anxiety disorders. We evaluated the efficacy and safety of ketamine in 12 patients with refractory generalized anxiety disorder and/or social anxiety disorder who were not currently depressed, using an ascending single dose study design (0...
April 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28440434/preclinical-studies-for-the-combination-of-paclitaxel-and-curcumin-in-cancer-therapy-review
#20
Yumeng Wei, Xinlin Pu, Ling Zhao
Cancer is one of the most common causes of death and remains the first in China and the second in the US. The common treatments for cancer include surgery, radiation, chemotherapy, targeted therapy and immunotherapy, while chemotherapy remains one of the most important treatments. However, the efficacy of chemotherapy is limited due to drug induced-toxicities and resistance, particularly multiple drug resistance (MDR). Therefore, discovery and development of novel therapeutic drugs and/or combination therapy are urgently needed to reduce toxicity and improve efficacy...
April 20, 2017: Oncology Reports
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