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https://www.readbyqxmd.com/read/28550529/single-administration-of-hbk-15-a-triple-5-ht1a-5-ht7-and-5-ht3-receptor-antagonist-reverses-depressive-like-behaviors-in-mouse-model-of-depression-induced-by-corticosterone
#1
Karolina Pytka, Monika Głuch-Lutwin, Magdalena Kotańska, Anna Waszkielewicz, Agnieszka Kij, Maria Walczak
Studies suggest that the blockade of 5-HT1A, 5-HT7, and 5-HT3 receptor may increase the speed of antidepressant response. 1-[(2,6-Dimethylphenoxy)ethoxyethyl]-4-(2-methoxyphenyl)piperazine hydrochloride (HBK-14) and 1-[(2-chloro-6-methylphenoxy)ethoxyethyl]-4-(2-methoxyphenyl)piperazine hydrochloride (HBK-15), dual 5-HT1A and 5-HT7 antagonists, showed significant antidepressant- and anxiolytic-like properties in our previous tests in rodents. In this study, we aimed to investigate their antidepressant potential using mouse model of corticosterone-induced depression...
May 26, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28549966/lentivirus-mediated-inhibition-of-aqp4-accelerates-motor-function-recovery-associated-with-ngf-in-spinal-cord-contusion-rats
#2
Jianmin Chen, Xi Zeng, Shengnan Li, Zhanqiong Zhong, Xi Hu, Hongyu Xiang, Ying Rao, Lixin Zhang, Xiuya Zhou, Qingjie Xia, Tinghua Wang, Xiao Zhang
Aquaporin-4 (AQP4) is a water channel protein in spinal cord and plays a critical role in the pathophysiological process of spinal cord injury (SCI). However, little is known about the molecular mechanism of AQP4 involved in SCI. The present study was performed to investigate the possible molecules regulated by AQP4 after SCI by use of lentiviral-mediated RNA interference (RNAi). First, the motor function was evaluated by Basso, Beattie, Bresnahan (BBB) scale and the expression of AQP4 was measured by western blot, immunohistochemical staining and immunofluorescence in rats after contusion spinal cord injury (cSCI)...
May 23, 2017: Brain Research
https://www.readbyqxmd.com/read/28549587/neuronally-differentiated-adipose-derived-stem-cells-and-aligned-phbv-nanofiber-nerve-scaffolds-promote-sciatic-nerve-regeneration
#3
Feihu Hu, Xiaofeng Zhang, Haixia Liu, Peng Xu, Doulathunnisa, Gaojun Teng, Zhongdang Xiao
Through a combination of biomaterials and stem cells, tissue engineering strategies for restoring and regenerating damaged peripheral nerves have recently been used to meet the challenges posed by nerve injury. In a previous study, we revealed a new way to induce neuronal differentiation of stem cells based on the temporally sequential use of miR-218 and Fibroblast Growth Factor 2 (FGF2) in vitro (FGF2-miR-218 induction approach). In the present study, we sought to investigate the application of this novel approach in repairing sciatic nerve damage in vivo...
May 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28546769/treatment-of-chronic-low-back-pain-new-approaches-on-the-horizon
#4
REVIEW
Nebojsa Nick Knezevic, Shane Mandalia, Jennifer Raasch, Ivana Knezevic, Kenneth D Candido
Back pain is the second leading cause of disability among American adults and is currently treated either with conservative therapy or interventional pain procedures. However, the question that remains is whether we, as physicians, have adequate therapeutic options to offer to the patients who suffer from chronic low back pain but fail both conservative therapy and interventional pain procedures before they consider surgical options such as discectomy, disc arthroplasty, or spinal fusion. The purpose of this article is to review the potential novel therapies that are on the horizon for the treatment of chronic low back pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28542585/highly-efficient-maternal-fetal-zika-virus-transmission-in-pregnant-rhesus-macaques
#5
Sydney M Nguyen, Kathleen M Antony, Dawn M Dudley, Sarah Kohn, Heather A Simmons, Bryce Wolfe, M Shahriar Salamat, Leandro B C Teixeira, Gregory J Wiepz, Troy H Thoong, Matthew T Aliota, Andrea M Weiler, Gabrielle L Barry, Kim L Weisgrau, Logan J Vosler, Mariel S Mohns, Meghan E Breitbach, Laurel M Stewart, Mustafa N Rasheed, Christina M Newman, Michael E Graham, Oliver E Wieben, Patrick A Turski, Kevin M Johnson, Jennifer Post, Jennifer M Hayes, Nancy Schultz-Darken, Michele L Schotzko, Josh A Eudailey, Sallie R Permar, Eva G Rakasz, Emma L Mohr, Saverio Capuano, Alice F Tarantal, Jorge E Osorio, Shelby L O'Connor, Thomas C Friedrich, David H O'Connor, Thaddeus G Golos
Infection with Zika virus (ZIKV) is associated with human congenital fetal anomalies. To model fetal outcomes in nonhuman primates, we administered Asian-lineage ZIKV subcutaneously to four pregnant rhesus macaques. While non-pregnant animals in a previous study contemporary with the current report clear viremia within 10-12 days, maternal viremia was prolonged in 3 of 4 pregnancies. Fetal head growth velocity in the last month of gestation determined by ultrasound assessment of head circumference was decreased in comparison with biparietal diameter and femur length within each fetus, both within normal range...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28542352/preconditioning-of-adipose-tissue-derived-mesenchymal-stem-cells-with-deferoxamine-increases-the-production-of-pro-angiogenic-neuroprotective-and-anti-inflammatory-factors-potential-application-in-the-treatment-of-diabetic-neuropathy
#6
Carolina Oses, Belén Olivares, Marcelo Ezquer, Cristian Acosta, Paul Bosch, Macarena Donoso, Patricio Léniz, Fernando Ezquer
Diabetic neuropathy (DN) is one of the most frequent and troublesome complications of diabetes mellitus. Evidence from diabetic animal models and diabetic patients suggests that reduced availability of neuroprotective and pro-angiogenic factors in the nerves in combination with a chronic pro-inflammatory microenvironment and high level of oxidative stress, contribute to the pathogenesis of DN. Mesenchymal stem cells (MSCs) are of great interest as therapeutic agents for regenerative purposes, since they can secrete a broad range of cytoprotective and anti-inflammatory factors...
2017: PloS One
https://www.readbyqxmd.com/read/28542147/restricting-the-induction-of-ngf-in-ovarian-stroma-engenders-selective-follicular-activation-through-the-mtor-signaling-pathway
#7
Yuanlin He, Xiaoxu Peng, Tinghe Wu, Weijie Yang, Wenwen Liu, Jing Zhang, Yiping Su, Feifei Kong, Xiaowei Dou, Jing Li
In mammalian ovaries, primordial follicles remain in a quiescent state until activation by the surrounding microenvironment. Ovarian intervention, for example, ovarian cystectomy, ovarian wedge resection or laser drilling therapies for polycystic ovarian syndrome, has long been reported to change follicular development by an unknown mechanism(s). Herein, we established a murine model with partial ovarian resection of one ovary unilaterally, with the contralateral ovary undamaged. We found the injury accelerated follicular activation and development through the mTORC1 signaling pathway...
May 25, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28542067/grb2-associated-binder-1-is-required-for-extrafusal-and-intrafusal-muscle-fiber-development
#8
So Y Park, So Y Jang, Yoon K Shin, Byeol A Yoon, Hye J Lee, Hwan T Park
The neuregulin-1 (NRG1) signaling pathway plays an important role in the development of the peripheral neuromuscular system, including in muscle spindle and postnatal myelination. We previously showed that NRG1 on the axonal membrane regulates peripheral nerve myelination through Grb2-associated binder 1 (Gab1), a scaffolding mediator of receptor tyrosine kinase signaling. Here, we determined the role of Gab1 in the development of muscles and the muscle spindle using muscle-specific conditional Gab1 knockout mice...
May 24, 2017: Neuroreport
https://www.readbyqxmd.com/read/28539836/dual-delivery-of-ngf-and-bfgf-coacervater-ameliorates-diabetic-peripheral-neuropathy-via-inhibiting-schwann-cells-apoptosis
#9
Rui Li, Jianfeng Ma, Yanqing Wu, Matthew Nangle, Shuang Zou, Yiyang Li, Jiayu Yin, Yingzheng Zhao, Helin Xu, Hongyu Zhang, Xiaokun Li, Qing Song Ye, Jian Wang, Jian Xiao
Diabetic neuropathy is a kind of insidious complications that impairs neural and vascular function and ultimately leads to somatic and visceral denervation. Basic fibroblast growth factor (bFGF) and nerve growth factor (NGF) are important neurotrophic factors for stimulating angiogenesis and improving peripheral nerve function. Administrating a single factor has good therapeutic effect on diabetic peripheral neuropathy (DPN). However, the short half-life and rapid diffusion of growth factors under physiological conditions limits its clinical applications...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28539058/the-role-of-chalcones-helichrysetin-xanthohumol-and-flavokawin-c-in-promoting-neurite-outgrowth-in-pc12-adh-cells
#10
Chia-Wei Phan, Vikineswary Sabaratnam, Wai-Kuan Yong, Sri Nurestri Abd Malek
Chalcones are a group of compounds widely distributed in plant kingdom. The aim of this study was to assess the neurite outgrowth stimulatory activity of selected chalcones, namely helichrysetin, xanthohumol and flavokawin-C. Using adherent rat pheochromocytoma (PC12 Adh) cells, the chalcones were subjected to neurite outgrowth assay and the extracellular nerve growth factor (NGF) levels were determined. Xanthohumol (10 μg/mL) displayed the highest (p < 0.05) percentage of neurite-bearing PC12 Adh cells and the highest (p < 0...
May 25, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28538801/effects-of-hyperbaric-oxygen-and-nerve-growth-factor-on-the-long-term-neural-behavior-of-neonatal-rats-with-hypoxic-ischemic-brain-damage
#11
Lixia Wei, Qing Ren, Yongjun Zhang, Jiwen Wang
Purpose: To evaluate the effects of HBO (Hyperbaric oxygen) and NGF (Nerve growth factor) on the long-term neural behavior of neonatal rats with HIBD (Neonatal hypoxic ischemic brain damage). Methods: The HIBD model was produced by ligating the right common carotid artery of 7 days old SD (Sprague-Dawley) rats followed by 8% O2 + 92% N2 for 2h. Totally 40 rats were randomly divided into 5 groups including sham-operated group, HIBD control group, HBO treated group, NGF treated group and NGF + HBO treated group...
April 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28538193/ethyl-pyruvate-protects-pc12-cells-from-oxygen-glucose-deprivation-a-potential-role-in-ischemic-cerebrovascular-disease
#12
Wenbo Li, Jiyu Lou, Liping Wei, Hongying Bai, Yaohui Zhang, Yuqing He
The protective potential of ethyl pyruvate (EP) on neuron has been investigated previously. This study was intended to investigate the effects of EP on the severity of oxygen-glucose deprivation (OGD)-induced injury in neural-like PC12 cells. PC12 cells were exposed to OGD condition with or without EP treatment. Then, cell viability, apoptosis, and the expressions of neurotrophic factors were detected. Further, Sprague-Dawley rats were intravenously administered with 5mg/kg EP for 14 days post-middle cerebral artery occlusion (MCAO)...
May 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28537420/nitration-and-glycation-turn-mature-ngf-into-a-toxic-factor-for-motor-neurons-a-role-for-p75-sup-ntr-sup-and-rage-signaling-in-als
#13
Mi Jin Kim, Marcelo R Vargas, Benjamin A Harlan, Kelby M Killoy, Lauren Ball, Susana Comte-Walters, Monika Gooz, Yasuhiko Yamamoto, Joseph S Beckman, Luis Barbeito, Mariana Pehar
Glycating stress can occur together with oxidative stress during neurodegeneration and contribute to the pathogenic mechanism. Nerve growth factor (NGF) accumulates in several neurodegenerative diseases. Besides promoting survival, NGF can paradoxically induce cell death by signaling through the p75 neurotrophin receptor (p75<sup>NTR</sup>). The ability of NGF to induce cell death is increased by nitration of its tyrosine residues under conditions associated with increased peroxynitrite formation...
May 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28535564/the-different-dynamic-changes-of-nerve-growth-factor-in-the-dorsal-horn-and-dorsal-root-ganglion-leads-to-hyperalgesia-and-allodynia-in-diabetic-neuropathic-pain
#14
Zhifeng Gao, Yi Feng, Hui Ju
BACKGROUND: Diabetic peripheral neuropathy (DPN) is the most common complication of diabetes and more than half of the patients with DPN have self-reported symptoms referring to painful diabetic neuropathy (PDN). Nerve growth factor (NGF) is a key factor for the nervous system, but the role of it in the neuropathic pain of diabetic patients is unclear. OBJECTIVE: This study aimed to investigate the relationship between the dynamic expression of NGF in dorsal horn and dorsal root ganglion (DRG) of diabetic rats and hyperalgesia and allodynia in diabetic neuropathic pain...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28534301/effects-of-acetyl-l-carnitine-in-diabetic-neuropathy-and-other-geriatric-disorders
#15
REVIEW
G Sergi, S Pizzato, F Piovesan, C Trevisan, N Veronese, E Manzato
A long history of diabetes mellitus and increasing age are associated with the onset of diabetic neuropathy, a painful and highly disabling complication with a prevalence peaking at 50% among elderly diabetic patients. Acetyl-L-carnitine (ALC) is a molecule derived from the acetylation of carnitine in the mitochondria that has an essential role in energy production. It has recently been proposed as a therapy to improve the symptoms of diabetic neuropathy. ALC is widely distributed in mammalian tissues, including the brain, blood-brain barrier, brain neurons, and astrocytes...
May 22, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28533602/effects-of-skilled-reach-training-with-affected-forelimb-and-treadmill-exercise-on-the-expression-of-neurotrophic-factor-following-ischemia-induced-brain-injury-in-rats
#16
Min-Sik Yong, Seong-Gil Kim, Song-Hee Cheon
[Purpose] The aim of the present study was to investigate effects of skilled reach training with affected forelimb and treadmill exercise on the expression of neurotrophic factor following ischemia-induced brain injury in rats. [Subjects and Methods] Thirty male Sprague-Dawley rats were divided into 3 groups randomly: namely, the control sacrified 2 weeks after surgery, skilled reach training with forepaw contralateral to brain injury for 2 weeks, and treadmill exercise for 2 weeks. Transient focal cerebral ischemia was induced by intraluminal occlusion of the left middle cerebral artery...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533206/myostatin-like-proteins-regulate-synaptic-function-and-neuronal-morphology
#17
Hrvoje Augustin, Kieran McGourty, Joern R Steinert, Helena M Cochemé, Jennifer Adcott, Melissa Cabecinha, Alec Vincent, Els F Halff, Josef T Kittler, Emmanuel Boucrot, Linda Partridge
Growth factors of the TGF-β superfamily play key roles in regulating neuronal and muscle function. Myostatin (or GDF8) and GDF11 are potent negative regulators of skeletal muscle mass. However, expression of both Myostatin and its cognate receptors in other tissues, including brain and peripheral nerves, suggests a potential wider biological role. Here, we show that Myoglianin (MYO), the Drosophila homolog of Myostatin and GDF11, regulates not only body weight and muscle size, but also inhibits neuromuscular synapse strength and composition in a Smad2-dependent manner...
May 22, 2017: Development
https://www.readbyqxmd.com/read/28532079/nerve-growth-factor-loaded-heparinized-cationic-solid-lipid-nanoparticles-for-regulating-membrane-charge-of-induced-pluripotent-stem-cells-during-differentiation
#18
Yung-Chih Kuo, Rajendiran Rajesh
Nerve growth factor (NGF)-loaded heparinized cationic solid lipid nanoparticles (NGF-loaded HCSLNs) were developed using heparin-stearic acid conjugate, cacao butter, cholesterol, stearylamine (SA), and esterquat 1 (EQ 1). The effect of cationic lipids and lipid matrix composition on the particle size, particle structure, surface molecular composition, chemical structure, electrophoretic mobility, and zeta potential of HCSLNs was investigated. The effect of HCSLNs on the membrane charge of induced pluripotent stem cells (iPSCs) was also studied...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532008/biomaterials-and-cells-for-neural-tissue-engineering-current-choices
#19
REVIEW
Prerana Sensharma, G Madhumathi, Rahul D Jayant, Amit K Jaiswal
The treatment of nerve injuries has taken a new dimension with the development of tissue engineering techniques. Prior to tissue engineering, suturing and surgery were the only options for effective treatment. With the advent of tissue engineering, it is now possible to design a scaffold that matches the exact biological and mechanical properties of the tissue. This has led to substantial reduction in the complications posed by surgeries and suturing to the patients. New synthetic and natural polymers are being applied to test their efficiency in generating an ideal scaffold...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28526658/nonclinical-pharmacology-and-toxicology-of-the-first-biosimilar-insulin-glargine-drug-product-basaglar-%C3%A2-abasaglar-%C3%A2-approved-in-the-european-union
#20
Richard A Byrd, Rebecca A Owens, Jamie L Blackbourne, David E Coutant, Mark W Farmen, M Dodson Michael, Julie S Moyers, A Eric Schultze, Michael K Sievert, Niraj K Tripathi, John L Vahle
Basaglar(®)/Abasaglar(®) (Lilly insulin glargine [LY IGlar]) is a long-acting human insulin analogue drug product granted marketing authorisation as a biosimilar to Lantus(®) (Sanofi insulin glargine [SA IGlar]) by the European Medicines Agency. We assessed the similarity of LY IGlar to the reference drug product, European Union-sourced SA IGlar (EU-SA IGlar), using nonclinical in vitro and in vivo studies. No biologically relevant differences were observed for receptor binding affinity at either the insulin or insulin-like growth factor-1 (IGF-1) receptors, or in assays of functional or de novo lipogenic activity...
May 16, 2017: Regulatory Toxicology and Pharmacology: RTP
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