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https://www.readbyqxmd.com/read/28637157/maximal-and-submaximal-aerobic-tests-for-wheelchair-dependent-persons-with-spinal-cord-injury-a-systematic-review-to-summarize-and-identify-useful-applications-for-clinical-rehabilitation
#1
Sophia Eerden, Rienk Dekker, Florentina J Hettinga
PURPOSE: To summarize the available maximal and submaximal aerobic exercise tests for wheelchair-dependent persons with a spinal cord injury (SCI) and to identify useful applications for clinical rehabilitation. METHOD: The databases of PubMed, CINAHL(®), EMBASE, and PsycINFO(®) were searched for English-language studies published prior to March 2015. Two independent raters identified and examined studies that reported on laboratory-based aerobic exercise tests in persons with an SCI, according to the PRISMA statement...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28634089/wedelolactone-a-plant-coumarin-prevents-vascular-smooth-muscle-cell-proliferation-and-injury-induced-neointimal-hyperplasia-through-akt-and-ampk-signaling
#2
Lu Peng, Xuefeng Huang, Xin Jin, Zuo Jing, Lichao Yang, Yu Zhou, Jie Ren, Yun Zhao
Wedelolactone (WDL) is a natural compound derived from Chinese herbal medicine Eclipta prostrate L, and has been reported to exhibit various effects potentially beneficial for human health. However, the possible preventive effects of WDL toward vascular remodeling and mechanisms involved have not been investigated to date. In this study, we investigated the effects of WDL on proliferation induced by platelet-derived growth factor (PDGF) in primary rat aortic smooth muscle cells (VSMCs) and on neointimal hyperplasia resulted from balloon injury in rats...
June 17, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28634000/dose-dependent-effects-of-abobotulinumtoxina-dysport%C3%A2-on-spasticity-and-active-movements-in-adults-with-upper-limb-spasticity-secondary-analysis-of-a-phase-3-study
#3
Michael W O'Dell, Allison Brashear, Robert Jech, Thierry Lejeune, Philippe Marque, Djamel Bensmail, Ziyad Ayyoub, David M Simpson, Magali Volteau, Claire Vilain, Philippe Picaut, Jean Michel Gracies
BACKGROUND: AbobotulinumtoxinA has beneficial effects on spasticity and active movements in hemiparetic adults with upper limb spasticity (ULS). However, evidence-based information on optimal dosing for clinical use is limited. OBJECTIVE: To describe joint-specific dose effects of abobotulinumtoxinA in adults with ULS. DESIGN: Secondary analysis of a phase 3 study (NCT01313299). SETTING: Multi-center, international, double-blind, placebo-controlled clinical trial...
June 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28632266/proteomic-analysis-reveals-xuesaitong-injection-attenuates-myocardial-ischemia-reperfusion-injury-by-elevating-pyruvate-dehydrogenase-mediated-aerobic-metabolism
#4
Xiaoping Zhao, Feng Zhang, Yi Wang
Xuesaitong injection (XST), which mainly consists of Panax notoginseng saponins, has been widely used for treating cardio-cerebral vascular diseases. However, the underlying mechanisms of XST associated with its cardioprotective effects are still unclear. To identify the potential target proteins of XST, two-dimensional gel electrophoresis (2-DE)-based proteomics was utilized to analyze the protein profile of myocardium in rats with myocardial ischemia/reperfusion (I/R) injury. The differentially expressed proteins were identified by matrix assisted laser desorption/ionization time-of-flight mass spectrometry...
June 20, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28632055/muscle-activity-in-sprinting-a-review
#5
Róisín M Howard, Richard Conway, Andrew J Harrison
The use of electromyography (EMG) is widely recognised as a valuable tool for enhancing the understanding of performance drivers and potential injury risk in sprinting. The timings of muscle activations relative to running gait cycle phases and the technology used to obtain muscle activation data during sprinting are of particular interest to scientists and coaches. This review examined the main muscles being analysed by surface EMG (sEMG), their activations and timing, and the technologies used to gather sEMG during sprinting...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28629039/time-dependent-subcellular-structure-injuries-induced-by-nano-micron-sized-calcium-oxalate-monohydrate-and-dihydrate-crystals
#6
Xin-Yuan Sun, Kai Yu, Jian-Ming Ouyang
Comparative studies were conducted to investigate the time effect of cell injury induced by nano-sized (50nm) and micron-sized (10μm) calcium oxalate monohydrate (COM) and dihydrate (COD) crystals in African green monkey renal epithelial (Vero) cells. The effects of nano-/micron-sized COM and COD exposure on Vero cells were investigated by detecting the cell viability, cell morphology, LDH release, reactive oxygen species, mitochondrial membrane potential, cell cycle, and cell apoptosis, as well as the intracellular and extracellular crystal distribution...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28627298/a-prospective-transcranial-doppler-ultrasound-based-evaluation-of-the-acute-and-cumulative-effects-of-sport-related-concussion-on-neurovascular-coupling-response-dynamics
#7
Alexander D Wright, Jonathan D Smirl, Kelsey Bryk, Paul van Donkelaar
Sport-related concussion has been shown to alter cerebral blood flow (CBF) both acutely and chronically, and may exert cumulative effects across multiple injuries. Such dysfunction may be mediated by trauma-induced deficits to CBF control mechanisms, though our understanding of these effects is limited, including dynamics of neurovascular coupling (NVC) responses (i.e. CBF responses to neurologic demand). 179 junior-level contact sport athletes completed preseason testing - 42 reported never having experienced a concussion (Hx-) while 31 had endured three or more (Hx3+)...
June 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28626588/uhrf1-is-required-for-basal-stem-cell-proliferation-in-response-to-airway-injury
#8
Handan Xiang, Lifeng Yuan, Xia Gao, Peter B Alexander, Omar Lopez, Calvin Lau, Yi Ding, Mengyang Chong, Tao Sun, Rui Chen, Si-Qi Liu, Haiyang Wu, Ying Wan, Scott H Randell, Qi-Jing Li, Xiao-Fan Wang
Cellular senescence is a cell fate characterized by an irreversible cell cycle arrest, but the molecular mechanism underlying this senescence hallmark remains poorly understood. Through an unbiased search for novel senescence regulators in airway basal cells, we discovered that the epigenetic regulator ubiquitin-like with PHD and ring finger domain-containing protein 1 (UHRF1) is critical for regulating cell cycle progression. Upon injury, basal cells in the mouse airway rapidly induce the expression of UHRF1 in order to stimulate stem cell proliferation and tissue repair...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28625130/remote-ischemic-conditioning-improves-cognitive-function-during-cerebral-vascular-injury-through-the-induction-of-autophagy
#9
Hongjuan Wang, Yang Xu, Hetao Bian, Cuiping Si, Zhongrui Yan, Meijia Zhu
BACKGROUND: The most valid model for vascular cognitive impairment (VCI) is the mouse bilateral common carotid artery stenosis (BCAS), whose behavioral outcomes is supposedly affected by the remote ischemic conditioning (RIC) through the induction of autophgy. We hope to determine whether RIC contributes to the neuroprotection through the induction of autophagy.. METHODS: Wastar male mice were randomized into three groups including the Sham, the BCAS and the RIC+BCAS groups...
June 18, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28623948/one-carbon-metabolism-cognitive-impairment-and-csf-measures-of-alzheimer-pathology-homocysteine-and-beyond
#10
Loïc Dayon, Seu Ping Guiraud, John Corthésy, Laeticia Da Silva, Eugenia Migliavacca, Domilė Tautvydaitė, Aikaterini Oikonomidi, Barbara Moullet, Hugues Henry, Sylviane Métairon, Julien Marquis, Patrick Descombes, Sebastiano Collino, François-Pierre J Martin, Ivan Montoliu, Martin Kussmann, Jérôme Wojcik, Gene L Bowman, Julius Popp
BACKGROUND: Hyperhomocysteinemia is a risk factor for cognitive decline and dementia, including Alzheimer disease (AD). Homocysteine (Hcy) is a sulfur-containing amino acid and metabolite of the methionine pathway. The interrelated methionine, purine, and thymidylate cycles constitute the one-carbon metabolism that plays a critical role in the synthesis of DNA, neurotransmitters, phospholipids, and myelin. In this study, we tested the hypothesis that one-carbon metabolites beyond Hcy are relevant to cognitive function and cerebrospinal fluid (CSF) measures of AD pathology in older adults...
June 17, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28623687/microcalcifications-in-stone-obstructed-human-submandibular-gland-are-associated-with-apoptosis-and-cell-proliferation
#11
Ivan Lau, Ajay Potluri, Cliff-Lawrence Ibeh, Robert S Redman, Edina Paal, Bidhan C Bandyopadhyay
OBJECTIVE: Human submandibular gland (SMG) stones are associated with inflammation, fibrosis and microcalcifications in the surrounding tissues. However, there is little information about the accompanying cell injury-repair process, apoptosis, and cell proliferation. The purpose of this study was to investigate such an association and its clinical significance. DESIGN OF STUDY: Mid-gland paraffin sections of human SMGs ("stone glands") and normal SMGs ("non-stone glands") were subjected to stains for general histology (hematoxylin and eosin), fibrosis (Masson's trichrome), and calcification (alizarin red) and to immunohistochemistry for proliferative activity (Ki-67), and apoptosis (Caspase-3)...
June 7, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28623353/the-efficacy-and-toxicities-of-intensive-induction-chemotherapy-followed-by-concurrent-chemoradiotherapy-in-nasopharyngeal-carcinoma-patients-with-n3-disease
#12
Yingying Zhang, Mingqiu Chen, Cheng Chen, Lin Kong, Jiade J Lu, Benhua Xu
To assess the feasibility, efficacy and safety of 4 cycles of induction chemotherapy (ICT) followed by concurrent chemoradiotherapy (CRT) in nasopharyngeal carcinoma (NPC) patients with N3 disease. ICT consisting of paclitaxel (135 mg/m(2)) and nedaplatin (80 mg/m(2)) given every 3 weeks for 4 cycles followed by cisplatin-based CRT was planned. 22 patients completed 4 cycles of TP regimen ICT and the CRT according to the protocol. After 4 cycles of ICT, the ORR of the primary site was 100% (CR 22.7%, PR 77...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623247/evaluation-of-serological-indicators-and-glomerular-filtration-rate-equations-in-chinese-cancer-patients
#13
Yingna Tong, Xiaobin Liu, Mingxiu Guan, Meng Wang, Lufang Zhang, Dong Dong, Ruifang Niu, Fei Zhang, Yunli Zhou
BACKGROUND The performance of estimated glomerular filtration rate (eGFR) have been proved to vary according to the races of the target population. The eGFR equations have not been validated in the Chinese cancer population received chemotherapy. Meanwhile, serum cystatin C (CysC), urea, β2 microglobulin (β2-MG), and creatinine (SCr) were also evaluated in a cohort of Chinese cancer patients. MATERIAL AND METHODS A total of 1000 cancer patients undergoing combination chemotherapy and 108 healthy volunteers were included in this study, and their renal function parameters were evaluated...
June 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28615341/high-frequency-epidural-stimulation-across-the-respiratory-cycle-evokes-phrenic-short-term-potentiation-after-incomplete-cervical-spinal-cord-injury
#14
Elisa J Gonzalez-Rothi, Kristi A Streeter, Marie H Hanna, Anna C Stamas, Paul J Reier, David M Baekey, David D Fuller
C2 spinal hemilesion (C2Hx) paralyzes the ipsilateral diaphragm, but recovery is possible through activation of "crossed spinal" synaptic inputs to ipsilateral phrenic motoneurons. We tested the hypothesis that high frequency epidural stimulation (HF-ES) would potentiate ipsilateral phrenic output after subacute and chronic C2Hx. HF-ES (300 Hz) was applied to the ventrolateral C4 or T2 spinal cord ipsilateral to C2Hx in anesthetized and mechanically ventilated adult rats. Stimulus duration was 60-sec and currents ranged from 100-1000 µA...
June 14, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28612975/the-effect-of-endometrial-scratch-injury-on-pregnancy-outcome-in-women-with-previous-intrauterine-insemination-failure-a-randomized-clinical-trial
#15
Mahnaz Ashrafi, Ensieh Shahrokh Tehraninejad, Mansooreh Haghiri, Masoumeh Masomi, Shahideh Jahanian Sadatmahalleh, Arezoo Arabipoor
AIM: Endometrial scratch injury (ESI) has been recently proposed to enhance the implantation rate in assisted reproductive technology cycles. The present study was conducted to determine the effect of ESI on pregnancy rate in women with intrauterine insemination (IUI) failure. METHODS: This prospective randomized controlled study was carried out in Imam-Khomeini Hospital and Royan Institute, Tehran, during a 12-month period from January 2013 to January 2014. After assessment, 169 patients who had IUI failure twice or more (no chemical or clinical pregnancy) with normal uterine anatomy and hysterosalpingography, were enrolled...
June 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28611436/antibacterial-and-detoxifying-activity-of-nz17074-analogues-with-multi-layers-of-selective-antimicrobial-actions-against-escherichia-coli-and-salmonella-enteritidis
#16
Na Yang, Xuehui Liu, Da Teng, Zhanzhan Li, Xiumin Wang, Ruoyu Mao, Xiao Wang, Ya Hao, Jianhua Wang
NZ17074 (N1), an arenicin-3 derivative isolated from the lugworm, has potent antibacterial activity and is cytotoxic. To reduce its cytotoxicity, seven N1 analogues with different structures were designed by changing their disulfide bonds, hydrophobicity, or charge. The "rocket" analogue-N2 and the "kite" analogue-N6 have potent activity and showed lower cytotoxicity in RAW264.7 cells than N1. The NMR spectra revealed that N1, N2, and N6 adopt β-sheet structures stabilized by one or two disulfide bonds. N2 and N6 permeabilized the outer/inner membranes of E...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611154/cytoresistance-after-acute-kidney-injury-is-limited-to-the-recovery-period-of-proximal-tubule-integrity-and-possibly-involves-hippo-yap-signaling
#17
Takamasa Iwakura, Yoshihide Fujigaki, Tomoyuki Fujikura, Takayuki Tsuji, Naro Ohashi, Akihiko Kato, Hideo Yasuda
Rat proximal tubule (PT) cells that have recovered from severe acute kidney injury induced by uranyl acetate (UA) develop cytoresistance to subsequent UA treatments. We reported that enhanced G1 arrest might contribute to cytoresistance. Herein, we examined these mechanisms by investigating Yes-associated protein (YAP), a regulator of cell number, and survivin, a downstream mediator of YAP that inhibits apoptosis. Rats pretreated with saline (vehicle group) or UA (AKI group) were injected with UA 2 weeks, 2 months, or 6 months after treatment...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28609381/remote-ischemic-conditioning-preserves-cognition-and-motor-coordination-in-a-mouse-model-of-traumatic-brain-injury
#18
Alexander J Sandweiss, Asad Azim, Kareem Ibraheem, Tally M Largent-Milnes, Peter Rhee, Todd W Vanderah, Bellal Joseph
INTRODUCTION: Management of traumatic brain injury (TBI) is focused on minimizing or preventing secondary brain injury. Remote ischemic conditioning (RIC) is an established treatment modality that has been shown to improve patient outcomes in different clinical settings by influencing inflammatory insults. In a clinical trial, RIC showed amelioration of SB100 and NSE. The aim of our study was to further elucidate the mechanisms and outcome when applying RIC in a mouse model of traumatic brain injury...
June 13, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28608667/dynamic-quadripolar-radiofrequency-treatment-of-vaginal-laxity-menopausal-vulvo-vaginal-atrophy-12-month-efficacy-and-safety
#19
Franco Vicariotto, Francesco DE Seta, Valentina Faoro, Mauro Raichi
BACKGROUND: Twelve-month extension of a previous spontaneous exploratory study investigating safety and efficacy of a new low-energy dynamic quadripolar radiofrequency (DQRF) device in: A) premenopausal women with symptoms of vaginal laxity, with special reference to dysuria, urinary incontinence and unsatisfactory sexual life (vaginal laxity arm of the study); B) postmenopausal women with vulvovaginal atrophy/genitourinary syndrome of menopause (VVA/GSM) and VVA/GSM-related symptoms (VVA/GSM arm of the study)...
August 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28608245/obesity-and-obesity-shape-markedly-influence-spine-biomechanics-a-subject-specific-risk-assessment-model
#20
Farshid Ghezelbash, Aboulfazl Shirazi-Adl, André Plamondon, Navid Arjmand, Mohamad Parnianpour
Underlying mechanisms of obesity-related back pain remain unexplored. Thus, we aim to determine the effect of obesity and its shapes on the spinal loads and the associated risks of injury. Obesity shapes were initially constructed by principal component analysis based on datasets on 5852 obese individuals. Spinal loads, cycles to vertebral failure and trunk stability margin were estimated in a subject-specific trunk model taking account of personalized musculature, passive ligamentous spine, obesity shapes, segmental weights, spine kinematics and bone mineral density...
June 12, 2017: Annals of Biomedical Engineering
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