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https://www.readbyqxmd.com/read/27904476/impairment-of-the-nerve-growth-factor-pathway-driving-amyloid-accumulation-in-cholinergic-neurons-the-incipit-of-the-alzheimer-s-disease-story
#1
REVIEW
Viviana Triaca, Pietro Calissano
The current idea behind brain pathology is that disease is initiated by mild disturbances of common physiological processes. Overtime, the disruption of the neuronal homeostasis will determine irreversible degeneration and neuronal apoptosis. This could be also true in the case of nerve growth factor (NGF) alterations in sporadic Alzheimer's disease (AD), an age-related pathology characterized by cholinergic loss, amyloid plaques and neurofibrillary tangles. In fact, the pathway activated by NGF, a key neurotrophin for the metabolism of basal forebrain cholinergic neurons (BFCN), is one of the first homeostatic systems affected in prodromal AD...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27904475/transforming-growth-factor-beta-1-a-cytokine-with-regenerative-functions
#2
REVIEW
Wale Sulaiman, Doan H Nguyen
We review the biology and role of transforming growth factor beta 1 (TGF-β1) in peripheral nerve injury and regeneration, as it relates to injuries to large nerve trunks (i.e., sciatic nerve, brachial plexus), which often leads to suboptimal functional recovery. Experimental studies have suggested that the reason for the lack of functional recovery resides in the lack of sufficient mature axons reaching their targets, which is a result of the loss of the growth-supportive environment provided by the Schwann cells in the distal stump of injured nerves...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27903183/stereotactic-radiosurgery-for-vestibular-schwannomas-average-10-year-follow-up-results-focusing-on-long-term-hearing-preservation
#3
Shinya Watanabe, Masaaki Yamamoto, Takuya Kawabe, Takao Koiso, Tetsuya Yamamoto, Akira Matsumura, Hidetoshi Kasuya
OBJECTIVE The aim of this study was to reappraise long-term treatment outcomes of stereotactic radiosurgery (SRS) for vestibular schwannomas (VSs). The authors used a database that included patients who underwent SRS with a unique dose-planning technique, i.e., partial tumor coverage designed to avoid excess irradiation of the facial and cochlear nerves, focusing on tumor control and hearing preservation. Clinical factors associated with post-SRS tumor control and long-term hearing preservation were also analyzed...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27899317/neurotrophic-factor-mediated-neuronal-differentiation-of-human-cord-blood-mesenchymal-stem-cells-and-their-applicability-to-assess-the-developmental-neurotoxicity
#4
Sadaf Jahan, Dipak Kumar, Ashvini Kumar, Chetan Singh Rajpurohit, Shripriya Singh, Akriti Srivastava, Ankita Pandey, A B Pant
Plasticity and developmental capacity of stem cells have now been established as a promising tool to restore the degenerative disorders. The linearity differentiation of human mesenchymal stem cells (hMSCs) into adipogenic, chondrogenic, osteogenic and even in neuronal subtypes has been demonstrated. The number of xenobiotics such as dexamethasone, insulin, isobutyl 1-methyle xanthine and retinoic acid has been reported for the potential to differentiate hMSCs into neuronal subtypes. But, the applicability of indigenous neurotrphic factor-nerve growth factor (NGF) has not been explored for the purpose...
November 26, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27898841/rapid-communication-nerve-growth-factor-influences-cleavage-rate-and-embryo-development-in-sheep
#5
M Crispo, P C Dos Santos-Neto, M Vilariño, A P Mulet, A de León, L Barbeito, A Menchaca
Recent information about Nerve growth factor (NGF), a protein traditionally associated to the nervous system that regulates survival and maturation of developing neurons, suggests that it may exert action also on different levels in the reproductive system. The aim of this study was to evaluate the effect of NGF added during in vitro oocyte maturation, fertilization or in vitro embryo development in sheep. Nerve growth factor was supplemented to the culture medium at 0, 100, or 1,000 ng/mL, during either in vitro maturation (Exp...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898492/growth-hormone-regulates-the-sensitization-of-developing-peripheral-nociceptors-during-cutaneous-inflammation
#6
Xiaohua Liu, Kathryn J Green, Zachary K Ford, Luis F Queme, Peilin Lu, Jessica L Ross, Frank B Lee, Aaron T Shank, Renita C Hudgins, Michael P Jankowski
Cutaneous inflammation alters the function of primary afferents and gene expression in the affected dorsal root ganglia (DRGs). However specific mechanisms of injury-induced peripheral afferent sensitization and behavioral hypersensitivity during development are not fully understood. Recent studies in children suggest a potential role for growth hormone (GH) in pain modulation. GH modulates homeostasis and tissue repair after injury, but how GH effects nociception in neonates is not known. To determine if GH played a role in modulating sensory neuron function and hyper-responsiveness during skin inflammation in young mice, we examined behavioral hypersensitivity and the response properties of cutaneous afferents using an ex vivo hairy skin-saphenous nerve-dorsal root ganglion (DRG)-spinal cord preparation...
November 18, 2016: Pain
https://www.readbyqxmd.com/read/27898323/peripheral-blood-nerve-growth-factor-levels-in-major-psychiatric-disorders
#7
Shuquan Rao, Mónica Martínez-Cengotitabengoa, Yao Yao, Zhiyun Guo, Qi Xu, Suiyan Li, Xianli Zhou, Fuquan Zhang
Nerve growth factor (NGF) plays crucial roles in promoting neural growth and survival, and mediating synaptic and morphological plasticity. Several studies investigated the correlation between peripheral NGF levels and major psychiatric disorders, including schizophrenia (SCZ), major depressive disorder (MDD) and bipolar disorder (BPD); however, the findings were inconsistent. This meta-analysis sought to investigate blood NGF levels in patients with psychiatric disorders compared with healthy subjects and examined potential effects of blood fraction, medication and disease status...
November 22, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27898033/towards-clinical-application-of-neurotrophic-factors-to-the-auditory-nerve-assessment-of-safety-and-efficacy-by-a-systematic-review-of-neurotrophic-treatments-in-humans
#8
REVIEW
Aren Bezdjian, Véronique J C Kraaijenga, Dyan Ramekers, Huib Versnel, Hans G X M Thomeer, Sjaak F L Klis, Wilko Grolman
Animal studies have evidenced protection of the auditory nerve by exogenous neurotrophic factors. In order to assess clinical applicability of neurotrophic treatment of the auditory nerve, the safety and efficacy of neurotrophic therapies in various human disorders were systematically reviewed. Outcomes of our literature search included disorder, neurotrophic factor, administration route, therapeutic outcome, and adverse event. From 2103 articles retrieved, 20 randomized controlled trials including 3974 patients were selected...
November 26, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27893605/synergistic-combinations-of-five-single-drugs-from-centella-asiatica-for-neuronal-differentiation
#9
Jinjin Lin, Hui Jiang, Xianting Ding
To identify alternatives of nerve growth factor, which could promote NF68 protein expression and contribute toward neuronal differentiation, five compounds namely: asiatic acid, madecassic, madecassoside, quercetin, and isoquercetin, obtained from Centella asiatica, were examined for their neuronal differentiation effects on PC12 cells. C. asiatica has been applied as an effective herbal medicine for the treatment of various diseases, including depression. According to a statistical design of experiments, both single compound and compound combinations were evaluated...
January 1, 2017: Neuroreport
https://www.readbyqxmd.com/read/27888042/changes-in-neurotrophic-and-inflammatory-factors-in-the-cerebrospinal-fluid-of-patients-with-postherpetic-neuralgia
#10
Wenxing Zhao, Yong Wang, Qiwu Fang, Jianping Wu, Xinyou Gao, Hui Liu, Liu Cao, Jianxiong An
Inflammatory and neurotrophic factors are involved in postherpetic neuralgia (PHN), but the association of these factors in the cerebrospinal fluid (CSF) with the level of pain is poorly known. The present study aimed to examine the changes in neurotrophic and inflammatory factors in the CSF of patients with PHN and to study the correlation between these factors and the degree of pain. Fifty patients with PHN and 28 patients with hemifacial spasm (as controls) were recruited between May 2015 and March 2016...
November 23, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27886020/cranial-electrotherapy-stimulation-affects-mood-state-but-not-levels-of-peripheral-neurotrophic-factors-or-hypothalamic-pituitary-adrenal-axis-regulation
#11
Hee-Tae Roh, Wi-Young So
Cranial electrotherapy stimulation (CES) is reported to aid in relieving symptoms of depression and anxiety, though the mechanism underlying this effect remains unclear. Therefore, the present study aimed to evaluate changes in the hypothalamic-pituitary-adrenal (HPA) axis response and levels of neurotrophic factors, as well as changes in mood state, in patients undergoing CES therapy. Fifty healthy postmenopausal women were randomly assigned to either a Sham CES group (n = 25) or an Active CES group (n = 25)...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27882508/regional-early-development-and-eruption-of-permanent-teeth-case-report
#12
A M Al Mullahi, A Bakathir, S Al Jahdhami
BACKGROUND: Early development and eruption of permanent teeth are rarely reported in scientific literature. Early eruption of permanent teeth has been reported to occur due to local factors such as trauma or dental abscesses in primary teeth, and in systemic conditions. Congenital diffuse infiltrating facial lipomatosis (CDIFL) is a rare condition that belongs to a group of lipomatosis tumours. In this disorder, the mature adipocytes invade adjacent soft and hard tissues in the facial region...
November 23, 2016: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/27879566/the-effect-of-an-acid-sensing-ion-channels-asics-inhibitor-on-pain-related-behavior-by-nucleus-pulposus-applied-on-the-nerve-root-in-rats
#13
Yoshihiro Kobayashi, Miho Sekiguchi, Shin-Ichi Konno
STUDY DESIGN: Controlled, interventional, animal study. OBJECTIVE: To examine the effect of an inhibitor of acid-sensing ion channel 3 (ASIC3) on pain-related behavior induced by application of the nucleus pulposus (NP) onto the dorsal root ganglion (DRG) in rats. SUMMARY OF BACKGROUND DATA: ASIC3 is associated with acidosis pain in inflamed or ischemic tissues and is expressed in sensory neurons and NP cells. The ASIC3 inhibitor, APETx2, increases the mechanical threshold of pain in models of knee osteoarthritis or postoperative pain...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27877109/npas3-regulates-transcription-and-expression-of-vgf-implications-for-neurogenesis-and-psychiatric-disorders
#14
Dongxue Yang, Wenbo Zhang, Arshad Padhiar, Yao Yue, Yonghui Shi, Tiezheng Zheng, Kaspar Davis, Yu Zhang, Min Huang, Yuyuan Li, Li Sha
Neuronal PAS domain protein 3 (NPAS3) and VGF (VGF Nerve Growth Factor (NGF) Inducible) are important for neurogenesis and psychiatric disorders. Previously, we have demonstrated that NPAS3 regulates VGF at the transcriptional level. In this study, VGF (non-acronymic) was found regulated by NPAS3 in neuronal stem cells. However, the underlying mechanism of this regulation remains unclear. The aim of this study was to explore the correlation of NPAS3 and VGF, and their roles in neural cell proliferation, in the context of psychiatric illnesses...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27872863/attention-deficit-disorder-and-allergic-rhinitis-are-they-related
#15
Isaac Melamed, Melinda Heffron
The association between ADHD and allergy remains controversial. Our previous findings suggest that nerve growth factor may link the nervous and immune systems. The primary objective of this study was to determine if a combination of cetirizine + methylphenidate is effective in children with comorbid ADHD and allergic rhinitis. We also examined the role of nerve growth factor in these comorbidities. Our randomized, double-blind, placebo-controlled, crossover study enrolled 38 children diagnosed with comorbid ADHD and allergy using cetirizine (n = 12), sustained-release methylphenidate (n = 12), or cetirizine + methylphenidate (n = 14)...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27865767/neural-stem-cells-promote-nerve-regeneration-through-il12-induced-schwann-cell-differentiation
#16
Don-Ching Lee, Jong-Hang Chen, Tai-Yu Hsu, Li-Hsun Chang, Hsu Chang, Ya-Hui Chi, Ing-Ming Chiu
Regeneration of injured peripheral nerves is a slow, complicated process that could be improved by implantation of neural stem cells (NSCs) or nerve conduit. Implantation of NSCs along with conduits promotes the regeneration of damaged nerve, likely because (i) conduit supports and guides axonal growth from one nerve stump to the other, while preventing fibrous tissue ingrowth and retaining neurotrophic factors; and (ii) implanted NSCs differentiate into Schwann cells and maintain a growth factor enriched microenvironment, which promotes nerve regeneration...
November 16, 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27865118/dienogest-reduces-proliferation-ngf-expression-and-nerve-fiber-density-in-human-adenomyosis
#17
Arisa Takeuchi, Kaori Koga, Mariko Miyashita, Tomoko Makabe, Fusako Sue, Miyuki Harada, Tetsuya Hirata, Yasushi Hirota, Tomoyuki Fujii, Yutaka Osuga
OBJECTIVES: To evaluate the in vivo effect of dienogest on proliferation, apoptosis, aromatase expression, vascular density, nerve growth factor (NGF) expression and nerve fiber density in human adenomyosis tissue. STUDY DESIGN: Twelve women who underwent hysterectomy for adenomyosis were enrolled. Six patients received dienogest treatment prior to hysterectomy (dienogest group), and age-matched six patients who had not received any hormonal treatment for ≥3 months before surgery (control group)...
November 8, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27863118/nanofibrous-gelatin-scaffolds-integrated-with-ngf-loaded-alginate-microspheres-for-brain-tissue-engineering
#18
Melda Büyüköz, Esra Erdal, Sacide Alsoy Altinkaya
Neural regeneration research is designed in part to develop strategies for therapy after nerve damage due to injury or disease. In this study, a new gelatin based biomimetic scaffold was fabricated for brain tissue engineering applications. A technique combining thermally induced phase separation and porogen leaching was used to create interconnected macropores and nanofibrous structure. To promote tissue regeneration processes, the scaffolds were integrated with nerve growth factor (NGF) loaded alginate microspheres...
November 12, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27863093/potential-effect-of-mechano-growth-factor-e-domain-peptide-on-axonal-guidance-growth-in-primary-cultured-cortical-neurons-of-rats
#19
Meili Liu, Xufeng Niu, Gang Zhou, Zhengtai Jia, Ping Li, Yubo Fan
Establishing appropriate synaptic connections and plasticity is a critical need in neuronal regeneration and development. Mechano growth factor (MGF) and its C-terminal E-domain peptide with 24 amino acids, MGF-Ct24E, are potential neuroprotective agents. Our preliminary study indicates that Netrin-1 can guide axonal growth and its expression is sensitive to MGF, but how MGF regulates the expression of Netrin-1 and its receptor DCC is still unclear. Here, we investigate the effect of MGF-Ct24E on the expression of Netrin-1 and DCC in primary cultured cortical neurons in vitro and the adult rat brain in vivo...
November 15, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27862119/increased-expression-of-nerve-growth-factor-correlates-with-visceral-hypersensitivity-and-impaired-gut-barrier-function-in-diarrhoea-predominant-irritable-bowel-syndrome-a-preliminary-explorative-study
#20
X J Xu, Y L Zhang, L Liu, L Pan, S K Yao
BACKGROUND: Neural-immune-endocrine network mechanism has attracted increased attention in diarrhoea-predominant irritable bowel syndrome (IBS-D). Pre-clinical evidence indicates that nerve growth factor (NGF) mediates visceral hypersensitivity and gut barrier dysfunction, via interactions with mast cells and sensory nerve fibres. AIM: To explore the role of nerve growth factor, as well as mast cell-nerve growth factor-nerve interaction in IBS-D pathophysiology...
November 9, 2016: Alimentary Pharmacology & Therapeutics
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