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https://www.readbyqxmd.com/read/28212323/low-intensity-extracorporeal-shock-wave-therapy-enhances-brain-derived-neurotrophic-factor-expression-through-perk-atf4-signaling-pathway
#1
Bohan Wang, Hongxiu Ning, Amanda B Reed-Maldonado, Jun Zhou, Yajun Ruan, Tie Zhou, Hsun Shuan Wang, Byung Seok Oh, Lia Banie, Guiting Lin, Tom F Lue
Low-intensity extracorporeal shock wave therapy (Li-ESWT) is used in the treatment of erectile dysfunction, but its mechanisms are not well understood. Previously, we found that Li-ESWT increased the expression of brain-derived neurotrophic factor (BDNF). Here we assessed the underlying signaling pathways in Schwann cells in vitro and in penis tissue in vivo after nerve injury. The result indicated that BDNF were significantly increased by the Li-ESWT after nerve injury, as well as the expression of BDNF in Schwann cells (SCs, RT4-D6P2T) in vitro...
February 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28212032/chrodrimanins-k-n-and-related-meroterpenoids-from-the-fungus-penicillium-sp-scs-kfd09-isolated-from-a-marine-worm-sipunculus-nudus
#2
Fan-Dong Kong, Qing-Yun Ma, Sheng-Zhuo Huang, Pei Wang, Jun-Feng Wang, Li-Man Zhou, Jing-Zhe Yuan, Hao-Fu Dai, You-Xing Zhao
Six new meroterpenoids, chrodrimanins K-N (1-4), including two uncommon chlorinated ones (1 and 2), and verruculides B2 (5) and B3 (6), as well as seven known ones (7-13), were isolated from the fermentation broth of Penicillium sp. SCS-KFD09 isolated from a marine worm, Sipunculus nudus, from Haikou Bay, China. The structures including the absolute configurations of the new compounds were unambiguously elucidated by spectroscopic data, X-ray diffraction analysis, and ECD spectra analysis along with quantum ECD calculations...
February 17, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28211686/multipole-moments-in-the-effective-fragment-potential-method
#3
Colleen Bertoni, Lyudmila V Slipchenko, Alston J Misquitta, Mark S Gordon
In the effective fragment potential (EFP) method the Coulomb potential is represented using a set of multipole moments generated by the distributed multipole analysis (DMA) method. Misquitta, Stone, and Fazeli recently developed a basis space-iterated stockholder atom (BS-ISA) method to generate multipole moments. This study assesses the accuracy of the EFP interaction energies using sets of multipole moments generated from the BS-ISA method, and from several versions of the DMA method (such as analytic and numeric grid-based), with varying basis sets...
February 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28209945/effects-of-static-cold-storage-and-hypothermic-machine-perfusion-on-oxidative-stress-factors-adhesion-molecules-and-zinc-finger-transcription-factor-proteins-before-and-after-liver-transplantation
#4
De-Fang Zhao, Qin Dong, Tong Zhang
BACKGROUND This study aimed to investigate the effects of static cold storage (SCS) and hypothermic machine perfusion (HMP) on the oxidative stress factors (OSF), adhesion molecules (AM), and zinc finger transcription factor (Snail) before and after liver transplantation. MATERIAL AND METHODS Experimental dogs were randomly divided into donor (group A), SCS (group B), and HMP (group C) (n=30) groups. Livers retrieved from group A were transplanted into group B after SCS, and the livers sampled from group B were transplanted into group C after HMP...
February 17, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28208601/surgical-neurostimulation-for-spinal-cord-injury
#5
REVIEW
Aswin Chari, Ian D Hentall, Marios C Papadopoulos, Erlick A C Pereira
Traumatic spinal cord injury (SCI) is a devastating neurological condition characterized by a constellation of symptoms including paralysis, paraesthesia, pain, cardiovascular, bladder, bowel and sexual dysfunction. Current treatment for SCI involves acute resuscitation, aggressive rehabilitation and symptomatic treatment for complications. Despite the progress in scientific understanding, regenerative therapies are lacking. In this review, we outline the current state and future potential of invasive and non-invasive neuromodulation strategies including deep brain stimulation (DBS), spinal cord stimulation (SCS), motor cortex stimulation (MCS), transcutaneous direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) in the context of SCI...
February 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28206981/mno2-g-c3n4-nanocomposite-with-highly-enhanced-supercapacitor-performance
#6
Xueting Chang, Xinxin Zhai, Shibin Sun, Danxia Gu, Lihua Dong, Yansheng Yin, Yanqiu Zhu
A novel sandwich-like MnO2/g-C3N4 nanocomposite (NC) based on the integration of high-density MnO2 nanorods (NRs) onto the surfaces of two-dimensional (2D) g-C3N4 sheets has been successfully fabricated through a facile soft chemical route at low temperature. The MnO2/g-C3N4 NC electrode enhanced the supercapacitor (SC) performance, benchmarked against both the bare MnO2 NRs electrode and the MnO2/graphene oxide (GO) NC electrode, exhibiting high specific capacitance of 211 F/g at a current density of 1 A/g, with good rate capacity and cycling stability...
February 16, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28206674/effects-of-spinal-cord-stimulation-on-cardiac-sympathetic-nerve-activity-in-patients-with-heart-failure
#7
Jan Naar, Deborah Jaye, Cecilia Linde, Petr Neužil, Petr Doškář, Filip Málek, Frieder Braunschweig, Lars H Lund, Lars Mortensen, Bengt Linderoth, Göran Lind, Dianna Bone, Arthur J Scholte, Fred Kueffer, Jodi Koehler, Kambiz Shahgaldi, Otto Lang, Marcus Ståhlberg
BACKGROUND: Spinal cord stimulation (SCS) reduces sympathetic activity in animal models of heart failure with reduced ejection fraction (HF) but limited data exist of SCS in patients with HF. The aim of the present study was to test the primary hypothesis that SCS reduces cardiac sympathetic nerve activity in HF patients. Secondary hypotheses were that SCS improves left ventricular function and dimension, exercise capacity and clinical variables relevant to HF. METHODS: HF patients with a SCS device previously participating in the DEFEAT-HF trial were included in this crossover study with 6-week intervention periods (SCS-ON and SCS-OFF)...
February 16, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28205332/explantation-rates-and-healthcare-resource-utilization-in-spinal-cord-stimulation
#8
Jing L Han, Kelly R Murphy, Syed Mohammed Qasim Hussaini, Siyun Yang, Beth Parente, Jichun Xie, Promila Pagadala, Shivanand P Lad
OBJECTIVES: Certain patients ultimately undergo explantation of their spinal cord stimulation (SCS) devices. Understanding the predictors and rates of SCS explantation has important implications for healthcare resource utilization (HCRU) and pain management. The present study identifies explant predictors and discerns differences in HCRU for at-risk populations. METHODS: We designed a large, retrospective analysis using the Truven MarketScan Database. We included all adult patients who underwent a SCS trial from 2007 to 2012...
February 15, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28199981/growth-differentiation-factor-15-induces-growth-and-metastasis-of-human-liver-cancer-stem-like-cells-via-akt-gsk-3%C3%AE-%C3%AE-catenin-signaling
#9
Qiong Xu, Hai-Xu Xu, Jin-Ping Li, Song Wang, Zheng Fu, Jing Jia, Li Wang, Zhi-Feng Zhu, Rong Lu, Zhi Yao
: Cancer stem cells in liver cancer are thought to be responsible for tumor recurrence and metastasis. However, the factors that mediate this mechanism have yet to be completely elucidated. In this study, we isolated CD13+CD44+ sphere cells (SCs) derived from liver cancer tissues and SK-Hep-1 cells, which possessed cancer stem cell-like properties. Through cytokine array analysis, growth differentiation factor 15 (GDF15) was significantly increased in SCs. Clinical data showed GDF15 was overexpressed in liver cancer tissues and was positively related to pathological grading...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199829/preclinical-efficacy-failure-of-human-cns-derived-stem-cells-for-use-in-the-pathway-study-of%C3%A2-cervical-spinal-cord-injury
#10
Aileen J Anderson, Katja M Piltti, Mitra J Hooshmand, Rebecca A Nishi, Brian J Cummings
We previously showed the efficacy of multiple research cell lines (RCLs) of human CNS neural stem cells (HuCNS-SCs) in mouse and rat models of thoracic spinal cord injury (SCI), supporting a thoracic SCI clinical trial. Experts recommend in vivo preclinical testing of the intended clinical cell lot/line (CCL) in models with validity for the planned clinical target. We therefore tested the efficacy of two HuCNS-SC lines in cervical SCI: one RCL, and one CCL intended for use in the Pathway Study of cervical SCI in man...
February 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28199828/hucns-sc-human-nscs-fail-to-differentiate-form-ectopic-clusters-and-provide-no-cognitive-benefits-in-a-transgenic-model-of-alzheimer-s-disease
#11
Samuel E Marsh, Stephen T Yeung, Maria Torres, Lydia Lau, Joy L Davis, Edwin S Monuki, Wayne W Poon, Mathew Blurton-Jones
Transplantation of neural stem cells (NSCs) can improve cognition in animal models of Alzheimer's disease (AD). However, AD is a protracted disorder, and prior studies have examined only short-term effects. We therefore used an immune-deficient model of AD (Rag-5xfAD mice) to examine long-term transplantation of human NSCs (StemCells Inc.; HuCNS-SCs). Five months after transplantation, HuCNS-SCs had engrafted and migrated throughout the hippocampus and exhibited no differences in survival or migration in response to β-amyloid pathology...
February 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28197854/mitochondrial-complex-i-activity-is-conditioned-by-supercomplex-i-iii2-iv-assembly-in-brain-cells-relevance-for-parkinson-s-disease
#12
Irene Lopez-Fabuel, Monica Resch-Beusher, Monica Carabias-Carrasco, Angeles Almeida, Juan P Bolaños
The assembly of complex I (CI) with complexes III (CIII) and IV (CIV) of the mitochondrial respiratory chain (MRC) to configure I-III- or I-III-IV-containing supercomplexes (SCs) regulates mitochondrial energy efficiency and reactive oxygen species (mROS) production. However, whether the occurrence of SCs impacts on CI specific activity remains unknown to our knowledge. To investigate this issue, here we determined CI activity in primary neurons and astrocytes, cultured under identical antioxidants-free medium, from two mouse strains (C57Bl/6 and CBA) and Wistar rat, i...
February 14, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28197585/highly-flexible-transparent-and-conducting-cus-nanosheet-networks-for-flexible-quantum-dot-solar-cells
#13
Zijie Xu, Teng Li, Fayin Zhang, Xiaodan Hong, Shuyao Xie, Meidan Ye, Wenxi Guo, Xiangyang Liu
The rapid development of modern electronics has given rise to a higher demand for flexible and wearable energy sources. Flexible transparent conducting electrodes (TCEs) are one of the essential components of flexible/wearable thin-film solar cells (SCs). In this regard, we present highly transparent and conducting CuS-nanosheet (NS) networks with an optimized sheet resistance (Rs) as low as 50 Ω sq(-1) at 85% transmittance as a counter electrode (CE) for flexible quantum-dot solar cells (QDSCs). The CuS NS network electrode exhibits remarkable mechanical flexibility under bending tests compared to traditional ITO/plastic substrates and sputtered CuS films...
February 15, 2017: Nanoscale
https://www.readbyqxmd.com/read/28194840/burst-spinal-cord-stimulation-increases-peripheral-antineuroinflammatory-interleukin-10-levels-in-failed-back-surgery-syndrome-patients-with-predominant-back-pain
#14
Thomas M Kinfe, Sajjad Muhammad, Carolina Link, Sandra Roeske, Shafqat R Chaudhry, Thomas L Yearwood
OBJECTIVES: Burst spinal cord stimulation (SCS) has been reported to reduce back pain and improve functional capacity in Failed Back Surgery Syndrome (FBSS). However, its mechanism of action is not completely understood. Systemic circulating cytokines have been associated with the development of chronic back pain. METHODS: This prospective, feasibility study enrolled 12 refractory FBSS patients with predominant back pain (70% of overall pain) suitable for Burst SCS...
February 13, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28192182/male-reproductive-toxicity-of-crvi-in-utero-exposure-to-crvi-at-the-critical-window-of-testis-differentiation-represses-the-expression-of-sertoli-cell-tight-junction-proteins-and-hormone-receptors-in-adult-f1-progeny-rats
#15
Kathiresh M Kumar, Mariajoseph Michael Aruldhas, Sheerin L Banu, Balaji Sadasivam, Ganapathy Vengatesh, Karthik M Ganesh, Shobana Navaneethabalakrishnan, Ajith Kumar Navin, Felicia Mary Michael, Sankar Venkatachalam, Jone A Stanley, Ilangovan Ramachandran, Sakhila K Banu, Mohammad Abdulkader Akbarsha
The effect of gestational exposure to CrVI (occupational/environmental pollutant and target to Sertoli cells(SC)) was tested in a rat model during the testicular differentiation from the bipotential gonad may interrupt spermatogenesis by disrupting SC tight junctions(TJ) and it's proteins and hormone receptors. Pregnant Wistar rats were exposed to 50/100/200ppm CrVI through drinking water during embryonic days 9-14. On Postnatal day 120, testes were subjected to ion exchange chromatographic analysis revealed increased level of CrIII in SCs and germ cells, serum and testicular interstitial fluid(TIF)...
February 9, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28191306/chiropractic-management-of-post-spinal-cord-stimulator-spine-pain-a-case-report
#16
Rachel M Perrucci, Christopher M Coulis
BACKGROUND: A brief overview of failed back surgery syndrome, with emphasis on low back pain status post spinal cord stimulation, and post-surgical spinal manipulation is presented. CASE PRESENTATION: Four cases of patients within the VA Connecticut Health Care System presenting between July 2014 and July 2015 reporting low back pain after surgical insertion of spinal cord stimulators are discussed. This study describes the outcomes experienced by four patients with low back pain status post implanted spinal cord stimulators receiving manual therapy in the form of lumbar spine manipulation or mobilization...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28187774/assessing-the-experience-of-using-synthetic-cannabinoids-by-means-of-interpretative-phenomenological-analysis
#17
Szilvia Kassai, Judit Nóra Pintér, József Rácz, Brigitta Böröndi, Tamás Tóth-Karikó, Kitti Kerekes, V Anna Gyarmathy
BACKGROUND: New psychoactive substances (NPS) have been increasingly consumed by people who use drugs in recent years, which pose a new challenge for treatment services. One of the largest groups of NPS is synthetic cannabinoids (SCs), which are intended as a replacement to cannabis. While there is an increasing body of research on the motivation and the effects associated with SC use, little is known about the subjective interpretation of SC use by the people who use drugs themselves...
February 10, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28186702/direct-conversion-of-human-fibroblasts-into-schwann-cells-that-facilitate-regeneration-of-injured-peripheral-nerve-in-vivo
#18
Yoshihiro Sowa, Tsunao Kishida, Koichi Tomita, Kenta Yamamoto, Toshiaki Numajiri, Osam Mazda
Schwann cells (SCs) play pivotal roles in the maintenance and regeneration of the peripheral nervous system. Although transplantation of SCs enhances repair of experimentally damaged peripheral and central nerve tissues, it is difficult to prepare a sufficient number of functional SCs for transplantation therapy without causing adverse events for the donor. Here, we generated functional SCs by somatic cell reprogramming procedures and demonstrated their capability to promote peripheral nerve regeneration. Normal human fibroblasts were phenotypically converted into SCs by transducing SOX10 and Krox20 genes followed by culturing for 10 days resulting in approximately 43% directly converted Schwann cells (dSCs)...
January 9, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28183860/diminished-satellite-cell-fusion-and-s6k1-expression-in-myotubes-derived-from-skeletal-muscle-of-low-birth-weight-neonatal-pigs
#19
Ying Chen, Haibo Zhu, Sydney R McCauley, Lidan Zhao, Sally E Johnson, Robert P Rhoads, Samer W El-Kadi
Low birth weight (LBWT) is consistently associated with impaired postnatal muscle growth in mammals. Satellite cell (SC)-mediated myonuclear incorporation precedes protein accumulation in the early stages of postnatal muscle development and growth. The objective of this study was to investigate proliferation and differentiation of SCs and the regulation of protein synthesis signaling in response to insulin-like growth factor (IGF)-I stimulation in SC-derived myotubes of LBWT neonatal pigs. SCs isolated from Longissimus dorsi muscle of LBWT and NBWT pigs (3-d-old, n = 8) were cultured and induced to proliferate and differentiate to myotubes in vitro...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28181078/puerarin-may-protect-against-schwann-cell-damage-induced-by-glucose-fluctuation
#20
Bing Xue, Lin Wang, Zhe Zhang, Rui Wang, Xin-Xin Xia, Ping-Ping Han, Li-Jun Cao, Yong-Hui Liu, Lian-Qing Sun
Puerarin is one of the major active ingredients in Gegen, a traditional Chinese herb that has been reported to have a wide variety of beneficial pharmacology functions. Previous studies have implicated that the damaging effects of hyperglycemia resulting from oxidative stress and glucose fluctuation may be more dangerous than constant high glucose in the development of diabetes-related complications. The present study focuses on the effects of puerarin on glucose fluctuation-induced oxidative stress-induced Schwann cell (SC) apoptosis in vitro...
February 8, 2017: Journal of Natural Medicines
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