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https://www.readbyqxmd.com/read/29336209/effects-of-treadmill-training-combined-with-serotonergic-interventions-on-spasticity-after-contusive-spinal-cord-injury
#1
Youngjae Ryu, Toru Ogata, Motoshi Nagao, Yasuhiro Sawada, Ryohei Nishimura, Naoki Fujita
Spasticity usually emerges during the course of recovery from spinal cord injury (SCI). While medications and physical rehabilitation are prescribed to alleviate spastic symptoms, the insufficiency of their effects remains an important problem to be addressed. Given the challenges associated with increasing the dose of medication, we supposed that a combination therapy with medication and physical rehabilitation can be effective. Therefore, we examined the effects of treadmill training (TMT) along with serotonergic medication using a spastic rat model after contusive injury...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29331586/positive-effects-of-total-recovery-period-on-anti-and-pro-inflammatory-cytokines-are-not-linked-to-performance-re-establishment-in-overtrained-mice
#2
Alisson L da Rocha, Ana P Pinto, Bruno C Pereira, Eike B Kohama, Gustavo P Morais, Larissa G de Vicente, José R Pauli, Dennys E Cintra, Eduardo R Ropelle, Leandro P de Moura, Hugo T Filho, Adelino S R da Silva
The association between excessive training sessions (i.e., overtraining/OT) and periods of inadequate recovery is linked to the nonfunctional overreaching (NFOR) state, which is defined as an unexplained decrement or stagnation of performance. The cytokine hypothesis of OT considers that pro-inflammatory cytokines are responsible by the NFOR state-induced performance decrement. Investigations using rodent models of OT verified increased levels of pro-inflammatory cytokines in hypothalamus, liver, serum and skeletal muscle samples...
January 10, 2018: Cytokine
https://www.readbyqxmd.com/read/29325715/orexin-knockout-mice-exhibit-impaired-spatial-working-memory
#3
Ruozhi Dang, Qiuhan Chen, Jie Song, Chao He, Jun Zhang, Jianxia Xia, Zhian Hu
Orexins play a crucial role in the maintenance of arousal and are involved in the modulation of diverse physiological process, including cognitive function. Recent data have suggested that orexins are involved in learning and memory processes. The purpose of this study was to assess the effects of orexin deficiency on working memory. A delayed non-matching-to-place T-maze task was used to evaluate spatial working memory in mice lacking orexin prepro-peptide (orexin knockout; KO) and wild-type controls. We demonstrated that the number of correct choices in the orexin KO mice became lower than that of the controls over training...
January 8, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29288725/both-ketamine-and-nbqx-attenuate-alcohol-drinking-in-male-wistar-rats
#4
Jana Ruda-Kucerova, Zuzana Babinska, Matej Luptak, Bruk Getachew, Yousef Tizabi
The devastating consequences of alcohol-use disorder (AUD) on the individual and the society are well established. Current treatments of AUD encompass various strategies, all of which have only modest effectiveness. Hence, there is a critical need to develop more efficacious therapies. Recently, specific glutamatergic receptors have been identified as potential novel targets for intervention in AUD. Thus, the current study was designed to evaluate the effects of acute administration of sub-anesthetic doses of ketamine, an NMDA receptor antagonist, as well as NBQX, an AMPA/kainate receptor antagonist on alcohol intake and its possible behavioural consequences...
December 27, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29225001/dorsal-hippocampal-cannabinergic-and-gabaergic-systems-modulate-memory-consolidation-in-passive-avoidance-task
#5
Mohammad Nasehi, Parisa Gerami, Fatemeh Khakpai, Mohammad-Reza Zarrindast
In the present research, we examined the possible interaction between the hippocampal CB2 and GABAA receptors on modulation of memory consolidation. In this research, step-down passive avoidance task was used to evaluate memory consolidation in adult male NMRI mice. The results showed that post-training intra-CA1 administration of muscimol (0.05 and 0.1μg/mouse) impaired memory consolidation as evidenced by a decrease in step-down latency on the test day, which was suggestive of drug-produced amnesia. However co-administration of different doses of muscimol (0...
December 7, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29210324/patterns-of-locomotor-regulation-during-the-pole-vault-approach-phase
#6
Laurie Needham, Timothy A Exell, Ian N Bezodis, Gareth Irwin
A successful approach phase is key to achieving high performances in the pole vault. The aim of this study was to explore the nature of locomotor control patterns during the pole vault approach phase. Fourteen well-trained athletes performed ten jumps which were recorded using 2D video sampling at 200 Hz and analysed. Key kinematics were reconstructed from camera data using a modified 2D-DLT. Patterns of regulation were determined from the standard deviation of footfall locations during the approach phase...
December 6, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29205624/fundamental-movement-skills-and-balance-of-children-with-down-syndrome
#7
C M Capio, T C T Mak, M A Tse, R S W Masters
BACKGROUND: Conclusive evidence supports the importance of fundamental movement skills (FMS) proficiency in promoting physical activity and countering obesity. In children with Down Syndrome (DS), FMS development is delayed, which has been suggested to be associated with balance deficits. This study therefore examined the relationship between FMS proficiency and balance ability in children with DS, with the aim of contributing evidence to programmes that address FMS delay. METHODS: Participants consisted of 20 children with DS (7...
December 5, 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/29175857/contextual-interference-during-adaptation-to-asymmetric-split-belt-treadmill-walking-results-in-transfer-of-unique-gait-mechanics
#8
Jacob W Hinkel-Lipsker, Michael E Hahn
When humans make errors in stepping during walking due to a perturbation, they may adapt their gait as a way to correct for discrepancies between predicted and actual sensory feedback. This study sought to determine if increased contextual interference during acquisition of a novel asymmetric gait pattern would change lower-limb mechanical strategies generalized to different walking contexts. Such knowledge could help to clarify the role of contextual interference in locomotor adaptation, and demonstrate potential use in future gait rehabilitation paradigms...
November 24, 2017: Biology Open
https://www.readbyqxmd.com/read/29172008/effects-of-cerebrolysin-on-nerve-growth-factor-system-in-the-aging-rat-brain
#9
Mikhail Stepanichev, Mikhail Onufriev, Viktor Aniol, Sofia Freiman, Hemma Brandstaetter, Stefan Winter, Natalia Lazareva, Alla Guekht, Natalia Gulyaeva
BACKGROUND: Aging is associated with some cognitive decline and enhanced risk of development of neurodegenerative diseases. It is assumed that altered metabolism and functions of neurotrophin systems may underlie these age-related functional and structural modifications. CerebrolysinTM (CBL) is a neuropeptide mixture with neurotrophic effects, which is widely used for the treatment of stroke and traumatic brain injury patients. It is also evident that CBL has an overall beneficial effect and a favorable benefit-risk ratio in patients with dementia...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29164023/type-and-timing-of-rehabilitation-following-acute-and-subacute-spinal-cord-injury-a-systematic-review
#10
REVIEW
Anthony S Burns, Ralph J Marino, Sukhvinder Kalsi-Ryan, James W Middleton, Lindsay A Tetreault, Joseph R Dettori, Kathryn E Mihalovich, Michael G Fehlings
Objectives: The objective of this study was to conduct a systematic review of the literature to address the following clinical questions: In adult patients with acute and subacute complete or incomplete traumatic SCI, (1) does the time interval between injury and commencing rehabilitation affect outcome?; (2) what is the comparative effectiveness of different rehabilitation strategies, including different intensities and durations of treatment?; (3) are there patient or injury characteristics that affect the efficacy of rehabilitation?; and (4) what is the cost-effectiveness of various rehabilitation strategies? Methods: A systematic search was conducted for literature published through March 31, 2015 that evaluated rehabilitation strategies in adults with acute or subacute traumatic SCI at any level...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29156378/effect-of-robotic-assisted-gait-rehabilitation-on-dynamic-equilibrium-control-in-the-gait-of-children-with-cerebral-palsy
#11
L Wallard, G Dietrich, Y Kerlirzin, J Bredin
Due to the intensity and repetition of movement, roboticassisted gait training therapy could have a beneficial effect on the recovery and improvement of postural and locomotor functions of the patient. This study sought to highlight the effects of robotic-assisted gait rehabilitation in gait of children with Cerebral Palsy (CP). We analyzed the different strategies before and after this rehabilitation which was used in order to generate forward motion while maintaining balance. Data were collected by a motion analysis system (Vicon® - Oxford Metrics, Oxford, UK)...
November 11, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29136766/behavioral-and-biochemical-evidences-for-nootropic-activity-of-boldine-in-young-and-aged-mice
#12
Dinesh Dhingra, Kapil Soni
Boldine, a bioactive compound, has been reported to be neuroprotective, but its effect on learning and memory has not been explored. So, the present study was aimed to study the effect of boldine on the learning and memory of the Swiss albino male young and aged mice. Boldine (1.5, 3 and 6mg/kg, po) and physostigmine salicylate (0.1mg/kg, ip) were administered to separate groups of mice for 7 successive days. Morris water maze was utilized as a behavioural model to study the effect of drugs on learning and memory of mice...
November 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29128872/prenatal-kynurenine-treatment-in-rats-causes-schizophrenia-like-broad-monitoring-deficits-in-adulthood
#13
Britta Hahn, Carolyn H Reneski, Ana Pocivavsek, Robert Schwarcz
RATIONALE: Elevated brain kynurenic acid (KYNA) levels are implicated in the pathology and neurodevelopmental pathogenesis of schizophrenia. In rats, embryonic treatment with kynurenine (EKyn) causes elevated brain KYNA levels in adulthood and cognitive deficits reminiscent of schizophrenia. OBJECTIVES: Growing evidence suggests that people with schizophrenia have a narrowed attentional focus, and we aimed at establishing whether these abnormalities may be related to KYNA dysregulation...
November 11, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29117189/cardiac-cycle-synchronized-electrical-muscle-stimulator-for-lower-limb-training-with-the-potential-to-reduce-the-heart-s-pumping-workload
#14
Ken-Ichiro Sasaki, Hiroo Matsuse, Ryuji Akimoto, Shiro Kamiya, Toshio Moritani, Motoki Sasaki, Yuta Ishizaki, Masanori Ohtsuka, Takaharu Nakayoshi, Takafumi Ueno, Naoto Shiba, Yoshihiro Fukumoto
BACKGROUND: The lower limb muscle may play an important role in decreasing the heart's pumping workload. Aging and inactivity cause atrophy and weakness of the muscle, leading to a loss of the heart-assisting role. An electrical lower limb muscle stimulator can prevent atrophy and weakness more effectively than conventional resistance training; however, it has been reported to increase the heart's pumping workload in some situations. Therefore, more effective tools should be developed...
2017: PloS One
https://www.readbyqxmd.com/read/29111178/dose-dependent-neurocognitive-deficits-following-postnatal-day-10-hiv-1-viral-protein-exposure-relationship-to-hippocampal-anatomy-parameters
#15
Sylvia Fitting, Kristen A McLaurin, Rosemarie M Booze, Charles F Mactutus
Despite the availability of antiretroviral prophylactic treatment, pediatric human immunodeficiency virus type 1 (HIV-1) continues to be a significant risk factor in the post-cART era. The time of infection (i.e., during pregnancy, delivery or breastfeeding) may play a role in the development of neurocognitive deficits in pediatric HIV-1. HIV-1 viral protein exposure on postnatal day (P)1, preceding the postnatal brain growth spurt in rats, had deleterious effects on neurocognitive development and anatomical parameters of the hippocampus (Fitting et al...
October 27, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29102966/effects-of-scalp-electroacupuncture-on-the-pi3k-akt-signalling-pathway-and-apoptosis-of-hippocampal-neurons-in-a-rat-model-of-cerebral-palsy
#16
Hanhong Zhang, Jing Gao, Mengmeng Wang, Xuefeng Yu, Xiuhua Lv, Huan Deng, Xiangwei Fan, Kaiyun Chen
Background Substantial evidence from clinical reports has established that most cerebral palsy (CP) patients benefit from a comprehensive rehabilitation exercise training programme. Such advances are enhanced when scalp electroacupuncture (EA), applied at a location corresponding to the projection of the motor area, is combined with rehabilitation exercise training. However, little information exists regarding the mechanistic basis for these effects.Objective To examine whether EA stimulation within the scalp projection location of the motor area can inhibit apoptosis of hippocampal neurons by regulating the PI3k/Akt signalling pathway in a rat model of CP...
November 4, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/29081250/effects-of-training-intensity-on-locomotor-performance-in-individuals-with-chronic-spinal-cord-injury-a-randomized-crossover-study
#17
Gabrielle Brazg, Meghan Fahey, Carey L Holleran, Mark Connolly, Jane Woodward, Patrick W Hennessy, Brian D Schmit, T George Hornby
BACKGROUND: Many physical interventions can improve locomotor function in individuals with motor incomplete spinal cord injury (iSCI), although the training parameters that maximize recovery are not clear. Previous studies in individuals with other neurologic injuries suggest the intensity of locomotor training (LT) may positively influence walking outcomes. However, the effects of intensity during training of individuals with iSCI have not been tested. OBJECTIVE: The purpose of this pilot, blinded-assessor randomized trial was to evaluate the effects of LT intensity on walking outcomes in individuals with iSCI...
October 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29077960/locomotor-training-and-strength-and-balance-exercises-for-walking-recovery-after-stroke-response-to-number-of-training-sessions
#18
RANDOMIZED CONTROLLED TRIAL
Dorian K Rose, Stephen E Nadeau, Samuel S Wu, Julie K Tilson, Bruce H Dobkin, Qinglin Pei, Pamela W Duncan
Background: Evidence-based guidelines are needed to inform rehabilitation practice, including the effect of number of exercise training sessions on recovery of walking ability after stroke. Objective: The objective of this study was to determine the response to increasing number of training sessions of 2 interventions-locomotor training and strength and balance exercises-on poststroke walking recovery. Design: This is a secondary analysis of the Locomotor Experience Applied Post-Stroke (LEAPS) randomized controlled trial...
November 1, 2017: Physical Therapy
https://www.readbyqxmd.com/read/29060079/the-impact-of-an-anti-gravity-treadmill-alterg-training-on-walking-capacity-and-corticospinal-tract-structure-in-children-with-cerebral-palsy
#19
Sh Azizi, H Marzbani, S Raminfard, P M Birgani, A H Rasooli, M M Mirbagheri
We studied the effects of an anti-gravity treadmill (AlterG) training on walking capacity and corticospinal tract structure in children with Cerebral Palsy (CP). AlterG can help CP children walk on the treadmill by reducing their weights up to 80% and maintain their balance during locomotion. AlterG training thus has the potential to improve walking capacity permanently as it can provide systematic and intense locomotor training for sufficiently long period of time and produce brain neuroplasticity. AlterG training was given for 45 minutes, three times a week for two months...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29048920/different-role-of-ca1-5ht3-serotonin-receptors-on-memory-acquisition-deficit-induced-by-total-tsd-and-rem-sleep-deprivation-rsd
#20
Zainab Eydipour, Gholamhassan Vaezi, Mohammad Nasehi, Seyed-Ali Haeri-Rouhani, Mohammad-Reza Zarrindast
BACKGROUND: Serotonin receptors such as 5-HT3 plays critical role in regulation of sleep, wake cycle and cognitive process. Thus, we investigated the role of CA1 5HT3 serotonin receptors in memory acquisition deficit induced by total sleep deprivation (TSD; for 24 hour) and REM sleep deprivation (RSD; for 24 hour). Pain perception and locomotor activity were also assessed as factors that may affect the memory process. METHODS: Modified water box and multi-platform apparatus were used to induce TSD or RSD, respectively...
September 2017: Archives of Iranian Medicine
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