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https://www.readbyqxmd.com/read/29775479/acute-intermittent-hypoxia-and-rehabilitative-training-following-cervical-spinal-injury-alters-neuronal-hypoxia-and-plasticity-associated-protein-expression
#1
Atiq Hassan, Breanna M Arnold, Sally Caine, Behzad M Toosi, Valerie M K Verge, Gillian D Muir
One of the most promising approaches to improve recovery after spinal cord injury (SCI) is the augmentation of spontaneously occurring plasticity in uninjured neural pathways. Acute intermittent hypoxia (AIH, brief exposures to reduced O2 levels alternating with normal O2 levels) initiates plasticity in respiratory systems and has been shown to improve recovery in respiratory and non-respiratory spinal systems after SCI in experimental animals and humans. Although the mechanism by which AIH elicits its effects after SCI are not well understood, AIH is known to alter protein expression in spinal neurons in uninjured animals...
2018: PloS One
https://www.readbyqxmd.com/read/29774825/dietary-zinc-modulates-matrix-metalloproteinases-in-traumatic-brain-injury
#2
Angus Scrimgeour, Christopher Carrigan, Michelle Lynn Condlin, Maria L Urso, Roland M van den Berg, Herman P M van Helden, Scott J Montain, Marloes J A Joosen
Animal models of mild traumatic brain injury (mTBI) provide opportunity to examine the extent to which dietary interventions can be used to improve recovery after injury. Animal studies also suggest that matrix metalloproteinases (MMPs) play a role in tissue remodeling post-TBI. Because dietary zinc (Zn) improved recovery in non-blast mTBI models, and the MMPs are Zn-requiring enzymes, we evaluated the effects of low- and adequate Zn diets on MMP expression and behavioral responses, following exposure to a single blast...
May 18, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29774782/the-neuroprotective-effect-of-ethanol-intoxication-in-tbi-is-associated-with-the-suppression-of-erbb-signaling-in-pv-positive-interneurons
#3
Akila Chandrasekar, Florian Olde Heuvel, Martin Wepler, Rida Rehman, Annette Palmer, Alberto Catanese, Birgit Linkus, Albert Ludolph, Tobias Boeckers, Markus Huber-Lang, Peter Radermacher, Francesco Roselli
Ethanol intoxication (EI) is a frequent comorbidity of TBI, but the impact of EI on TBI pathogenic cascades and prognosis is unclear: although clinical evidence suggests that EI may have neuroprotective effects, experimental support is, to date, inconclusive. We aimed at elucidating the impact of EI on TBI-associated neurological deficits, signaling pathways and pathogenic cascades, in order to identify new modifiers of TBI pathophysiology. We have shown that ethanol administration (5g/Kg) before trauma enhances behavioral recovery in a weight-drop TBI model; neuronal survival in the injured somatosensory cortex was enhanced by EI...
May 18, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773670/high-%C3%AE-tocopherol-dosing-increases-lipid-metabolism-by-changing-redox-state-in-damaged-rat-gastric-mucosa-and-liver-after-ethanol-treatment
#4
Marisela Olguín-Martínez, Diego R Hernández-Espinosa, Rolando Hernández-Muñoz
Regeneration of ethanol-injured rat gastric mucosa must undergo changes in major metabolic pathways to achieve DNA replication and cell proliferation. These events are highly dependent on glucose utilization and inhibited by vitamin E (α-tocopherol) administration. Therefore, this study was aimed at assessing lipid metabolism in the gastric mucosa and ethanol-induced gastric damage and the effect of α-tocopherol administration. For this, rates of fatty acid β-oxidation and lipogenesis were tested in gastric mucosa samples...
May 17, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29771797/measuring-in-hospital-recovery-after-colorectal-surgery-within-a-well-established-enhanced-recovery-pathway-a-comparison-between-hospital-length-of-stay-and-time-to-readiness-for-discharge
#5
Saba Balvardi, Nicolò Pecorelli, Tanya Castelino, Petru Niculiseanu, A Sender Liberman, Patrick Charlebois, Barry Stein, Franco Carli, Nancy E Mayo, Liane S Feldman, Julio F Fiore
BACKGROUND: Hospital length of stay is often used as a measure of in-hospital recovery but may be confounded by organizational factors. Time to readiness for discharge may provide a superior index of recovery. OBJECTIVE: The purpose of this study was to contribute evidence for the construct validity of time to readiness for discharge and length of stay as measures of in-hospital recovery after colorectal surgery in the context of a well-established enhanced recovery pathway...
May 15, 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29771751/utility-of-optical-coherence-tomography-in-the-evaluation-of-sellar-and-parasellar-mass-lesions
#6
Omar Al-Louzi, Sashank Prasad, Robert M Mallery
PURPOSE OF REVIEW: Anterior visual pathway compression is a common feature of sellar region masses. We review the visual pathway neuroanatomy pertaining to sellar and parasellar lesions and describe recent advances in optical coherence tomography (OCT) imaging that have provided a novel quantitative perspective in the evaluation and management of such patients. RECENT FINDINGS: Ultrastructural measurements of optic nerve integrity using OCT, namely peripapillary retinal nerve fiber layer (pRNFL) and the ganglion cell and inner plexiform layer (GCIPL) thicknesses, have been shown to correlate with visual acuity and visual field deficits on perimetry in patients with compressive sellar region masses...
May 15, 2018: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29771332/mechanisms-of-skeletal-muscle-wasting-in-a-mouse-model-for-myotonic-dystrophy-type-1
#7
Ginny R Morriss, Kimal Rajapakshe, Shixia Huang, Cristian Coarfa, Thomas A Cooper
Myotonic dystrophy type 1 (DM1) is a multisystemic disease resulting in severe muscle weakening and wasting. DM1 is caused by expansion of CTG repeats in the 3'-UTR of the DMPK gene. We have developed an inducible, skeletal muscle-specific mouse model of DM1 (CUG960) that expresses 960 CUG repeats in the context of human DMPK exons 11-15. CUG960 RNA-expressing mice induced at PN1, as well as adult-onset animals, show clear, measurable muscle wasting accompanied by severe histological defects including central myonuclei, reduced fiber cross sectional area, increased percentage of oxidative myofibers, and the presence of nuclear RNA foci that colocalize with Mbnl1 protein...
May 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29770521/nicotine-mediated-neuroprotection-of-rat-spinal-networks-against-excitotoxicity
#8
Jaspreet Kaur, Rossana Rauti, Andrea Nistri
Activation of neuronal nicotinic acetylcholine receptors (nAChRs) by nicotine is reported to protect brain neurons from glutamate excitotoxicity. We inquired whether a similar phenomenon can occur in the rat isolated spinal cord (or spinal slice culture) challenged by a transient (1 h) application of kainate (a powerful glutamate receptor agonist) to induce excitotoxicity mimicking spinal injury in vitro. We recorded spinal reflexes and fictive locomotion generated by the locomotor central pattern generator before and 24 h after applying kainate...
May 16, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29763870/the-dissipation-and-microbial-ecotoxicity-of-tebuconazole-and-its-transformation-products-in-soil-under-standard-laboratory-and-simulated-winter-conditions
#9
Najoi El Azhari, Eftychia Dermou, Romain L Barnard, Veronika Storck, Maria Tourna, Jérémie Beguet, Panagiotis A Karas, Luigi Lucini, Nadine Rouard, Lucio Botteri, Federico Ferrari, Marco Trevisan, Dimitrios G Karpouzas, Fabrice Martin-Laurent
Tebuconazole (TBZ) is a widely used triazole fungicide at EU level on cereals and vines. It is relatively persistent in soil where it is transformed to various transformation products (TPs) which might be environmentally relevant. We assessed the dissipation of TBZ in soil under contrasting incubation conditions (standard vs winter simulated) that are relevant to its application scheme, determined its transformation pathway using advanced analytical tools and 14 C-labeled TBZ and assessed its soil microbial toxicity...
May 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29762218/standardization-of-the-classification-of-impaired-postoperative-gastric-function-within-the-enhanced-recovery-pathways
#10
Elizabeth C Wick, Christopher L Wu
No abstract text is available yet for this article.
June 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29761754/pathways-to-recovery-development-and-evaluation-of-a-cognitive-behavioural-therapy-in-patient-treatment-programme-for-adults-with-anorexia-nervosa
#11
Andrea Brown, Richard Jenkinson, Julia Coakes, Annette Cockfield, Tish O'Brien, Louise Hall
Aims and methodA cognitive-behavioural therapy in-patient treatment model for adults with severe anorexia nervosa was developed and evaluated, and outcomes were compared with the previous treatment model and other published outcomes from similar settings. RESULTS: This study showed the Pathways to Recovery outcomes were positive in terms of improvements in body mass index and psychopathology.Clinical implicationsAdults with anorexia nervosa can achieve good outcomes despite longer illness duration and comorbidities...
June 2018: BJPsych Bulletin
https://www.readbyqxmd.com/read/29760082/a-cytokine-network-involving-il-36%C3%AE-il-23-and-il-22-promotes-antimicrobial-defense-and-recovery-from-intestinal-barrier-damage
#12
Vu L Ngo, Hirohito Abo, Estera Maxim, Akihito Harusato, Duke Geem, Oscar Medina-Contreras, Didier Merlin, Andrew T Gewirtz, Asma Nusrat, Timothy L Denning
The gut epithelium acts to separate host immune cells from unrestricted interactions with the microbiota and other environmental stimuli. In response to epithelial damage or dysfunction, immune cells are activated to produce interleukin (IL)-22, which is involved in repair and protection of barrier surfaces. However, the specific pathways leading to IL-22 and associated antimicrobial peptide (AMP) production in response to intestinal tissue damage remain incompletely understood. Here, we define a critical IL-36/IL-23/IL-22 cytokine network that is instrumental for AMP production and host defense...
May 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29758912/evaluation-of-soil-quality-along-two-revegetation-chronosequences-on-the-loess-hilly-region-of-china
#13
Shujuan Guo, Xinhui Han, Hui Li, Tao Wang, Xiaogang Tong, Guangxin Ren, Yongzhong Feng, Gaihe Yang
Vegetation restoration has been widely implemented to control soil degradation, reduce soil erosion, and improve soil quality. It is vital to understand the mechanisms affecting soil quality in soil restoration processes and to determine an appropriate recover pattern for soil restoration. Thus, a soil quality index was developed using integrated approach to assess soil quality after vegetation restoration in this study. Soil samples were collected from two restoration pathways (afforestation by Robinia pseudoacacia L...
August 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29758365/white-matter-pathways-for-prosodic-structure-building-a-case-study
#14
Daniela Sammler, Katrin Cunitz, Sarah M E Gierhan, Alfred Anwander, Jens Adermann, Jürgen Meixensberger, Angela D Friederici
The relevance of left dorsal and ventral fiber pathways for syntactic and semantic comprehension is well established, while pathways for prosody are little explored. The present study examined linguistic prosodic structure building in a patient whose right arcuate/superior longitudinal fascicles and posterior corpus callosum were transiently compromised by a vasogenic peritumoral edema. Compared to ten matched healthy controls, the patient's ability to detect irregular prosodic structure significantly improved between pre- and post-surgical assessment...
May 11, 2018: Brain and Language
https://www.readbyqxmd.com/read/29758225/trpv6-protects-er-stress-induced-apoptosis-via-atf6%C3%AE-trpv6-jnk-pathway-in-human-embryonic-stem-cell-derived-cardiomyocytes
#15
Zhichao Li, Zhaoyue Meng, Jun Lu, Francis M Chen, Wing-Tak Wong, Gary Tse, Changbo Zheng, Wendy Keung, Kennis Tse, Ronald A Li, Liwen Jiang, Xiaoqiang Yao
Human pluripotent stem cell-derived cardiomyocytes have potential applications in disease modeling and drug screening. Therefore, it is important to understand the mechanisms and signaling pathways underlying the survival and death of these cells. Endoplasmic reticulum (ER) stress is triggered by various cellular stresses that disturb protein folding in the ER. Cells cope with ER stress by activating the unfolded protein response (UPR), a homeostatic signaling network that orchestrates the recovery of ER function...
May 11, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29758169/nutritional-recovery-from-low-protein-diet-during-pregnancy-does-not-restore-the-kinetics-of-insulin-secretion-and-ca2-or-alterations-in-the-camp-pka-and-plc-pkc-pathways-in-islets-from-adult-rats
#16
Leonardo Marin, Hellen Barbosa Farias Silva, Gabriela Damin, Leticia Martins Ignacio-Souza, Silvia Regina de Lima Reis, Camila Aparecida Machado de Oliveira, Rosane Aparecida Ribeiro, Marise A Reis, Marcia Queiroz Latorraca, Fabiano Ferreira, Vanessa Cristina Arantes
We investigated the insulin release induced by glucose, the Ca2+ oscillatory pattern and the cAMP/PKA and PLC/PKC pathways in islets from adult rats that were reared under diets with 17% protein (C) or 6% protein (LP) during gestation, suckling and after weaning and in rats receiving diets with 6% protein during gestation, followed by a 17% protein diet after birth (R). Glucose-induced first-phase insulin secretion was reduced in LP and R islets, and the second phase was partially restored in the R group. Glucose stimulation did not modify [Ca2+]i, but it reduced the [Ca2+] oscillatory frequency in the R group compared to the C group...
May 14, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29757360/decision-analysis-supports-the-use-of-drain-amylase-based-enhanced-recovery-method-after-esophagectomy
#17
B Jiang, V P Ho, J Ginsberg, S J Fu, Y Perry, L Argote-Greene, P A Linden, C W Towe
Postesophagectomy anastomotic leak is a common postsurgical complication. The current standard method of detecting leak is esophagram usually late in the postoperative period. Perianastomotic drain amylase level had shown promising results in early detection anastomosis leak. Previous studies have shown that postoperative day 4 amylase level is more specific and sensitive than esophagram. The purpose of this study is to determine if implementing a drain amylase-based screening method for anastomotic leak can reduce length of stay and hospital cost relative to a traditional esophagram-based pathway...
May 10, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29756681/neuronal-il-4r%C3%AE-modulates-neuronal-apoptosis-and-cell-viability-during-the-acute-phases-of-cerebral-ischemia
#18
Han Kyu Lee, Sehwon Koh, Donald C Lo, Douglas A Marchuk
Ischemic stroke caused by an embolus or local thrombosis results in neural tissue damage (an infarct) in the territory of the occluded cerebral artery. Decades of studies have increased our understanding of the molecular events during cerebral infarction; however, translation of these discoveries to druggable targets for ischemic stroke treatment has been largely disappointing. Interleukin-4 (IL-4) is a multifunctional cytokine that exerts its cellular activities via the interleukin-4 receptor α (IL-4Rα)...
May 14, 2018: FEBS Journal
https://www.readbyqxmd.com/read/29756167/sex-differences-in-gene-and-protein-expression-after-intracerebral-hemorrhage-in-mice
#19
Yongqiu Xie, Yi-Ju Li, Beilei Lei, Dawn Kernagis, Wen-Wei Liu, Ellen R Bennett, Talagnair Venkatraman, Christopher D Lascola, Daniel T Laskowitz, David S Warner, Michael L James
Sex dimorphism has been demonstrated after experimental intracerebral hemorrhage (ICH). Decreased mortality and improved neurobehavioral outcomes occur in female compared to male mice after intrastriatal autologous blood or collagenase injection. Sex-specific differences in post-ICH gene and protein expression may provide mechanistic insight into this phenomenon. Ten- to 12-week-old C57BL/6 male (M) and female in high estrous state (HE-F) underwent left intrastriatal collagenase injection. We assessed neurobehavioral outcomes over the first 30 days, hematoma volume and cerebral edema evolution over the first 24 h, and transcriptomic gene and protein expression at pre-selected time points during the acute phase of injury...
May 13, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29754828/prehabilitation-and-functional-recovery-for-colorectal-cancer-patients
#20
REVIEW
Enrico Maria Minnella, Francesco Carli
Cancer and its treatments are associated with functional decline that has impactful consequences on quality of life, and care continuum. Thus, optimizing perioperative functional capacity has been identified as a research and clinical priority in cancer care. The process of enhancing physical fitness before an operation to enable the patient to withstand the stress of surgery has been termed prehabilitation. Main elements are preoperative exercise, nutrition therapy, and anxiety-reduction techniques. Given the growing body of evidence on prehabilitation efficacy, this narrative review will summarize the rational underlying preoperative interventions, and propose a structured clinical pathway aimed at optimizing preoperative functional capacity...
April 30, 2018: European Journal of Surgical Oncology
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