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Neuroregeneration

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https://www.readbyqxmd.com/read/29926822/the-brain-derived-neurotrophic-factor-in-neuronal-plasticity-and-neuroregeneration-new-pharmacological-concepts-for-old-and-new-drugs
#1
Solomon Habtemariam
No abstract text is available yet for this article.
June 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29921716/acute-complement-inhibition-potentiates-neurorehabilitation-and-enhances-tpa-mediated-neuroprotection
#2
Ali Alawieh, Meredith Andersen, DeAnna L Adkins, Stephen Tomlinson
Since complement activation in the subacute or chronic phase after stroke was recently shown to stimulate neural plasticity, we investigated how complement activation and complement inhibition in the acute phase after murine stroke interacts with subsequent rehabilitation therapy to modulate neuroinflammation and neural remodeling. We additionally investigated how complement and complement inhibition interacts with tissue plasminogen activator (tPA), the other standard of care therapy for stroke, and an FDA preclinical requirement for translation of an experimental stroke therapy...
June 19, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29909686/improved-healing-after-the-co-transplantation-of-ho-1-and-bdnf-overexpressed-mesenchymal-stem-cells-in-the-subacute-spinal-cord-injury-of-dogs
#3
Imdad Ullah Khan, Yongseok Yoon, Ahyoung Kim, Kwang Rae Jo, Kyeung Uk Choi, Taeseong Jung, Namyul Kim, YeonSung Son, Wan Hee Kim, Oh-Kyeong Kweon
Abundant expression of proinflammatory cytokines after a spinal cord injury (SCI) creates an inhibitory microenvironment for neuroregeneration. The mesenchymal stem cells help to mitigate the inflammation and improve neural growth and survival. For this purpose, we potentiated the function of adipose-derived mesenchymal stem cells (Ad-MSCs) by transfecting them with brain-derived neurotrophic factor (BDNF) and heme oxygenase-1 (HO-1), through a lentivirus, to produce BDNF overexpressed Ad-MSCs (BDNF-MSCs), and HO-1 overexpressed Ad-MSCs (HO-1-MSCs)...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29896087/changes-of-visual-pathway-and-brain-connectivity-in-glaucoma-a-systematic-review
#4
Raffaele Nuzzi, Laura Dallorto, Teresa Rolle
Background: Glaucoma is a leading cause of irreversible blindness worldwide. The increasing interest in the involvement of the cortical visual pathway in glaucomatous patients is due to the implications in recent therapies, such as neuroprotection and neuroregeneration. Objective: In this review, we outline the current understanding of brain structural, functional, and metabolic changes detected with the modern techniques of neuroimaging in glaucomatous subjects. Methods: We screened MEDLINE, EMBASE, CINAHL, CENTRAL, LILACS, Trip Database, and NICE for original contributions published until 31 October 2017...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29849883/grp78-promotes-neural-stem-cell-antiapoptosis-and-survival-in-response-to-oxygen-glucose-deprivation-ogd-reoxygenation-through-pi3k-akt-erk1-2-and-nf-%C3%AE%C2%BA-b-p65-pathways
#5
Qian Liu, Yun Li, Lin Zhou, Yunzi Li, Pengfei Xu, Xiaoyun Liu, Qiushi Lv, Juanji Li, Hongquan Guo, Haodi Cai, Rui Sun, Xinfeng Liu
When brain injury happens, endogenous neural stem cells (NSCs) located in the adult subventricular zone (SVZ) and subgranular zone (SGZ) are attacked by ischemia/reperfusion to undergo cellular apoptosis and death before being induced to migrate to the lesion point and differentiate into mature neural cells for damaged cell replacement. Although promoting antiapoptosis and NSC survival are critical to neuroregeneration, the mechanism has yet been elucidated clearly. Here in this study, we established an in vitro oxygen-glucose deprivation (OGD)/reoxygenation model on NSCs and detected glucose-regulated protein 78 (GRP78) involved in apoptosis, while in the absence of GRP78 by siRNA transfection, OGD/reoxygenation triggered PI3K/Akt, ERK1/2, and NF- κ B/p65 activation, and induced NSC apoptosis was attenuated...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29790373/non-clinical-studies-of-progesterone
#6
R Sitruk-Ware
Progesterone is a steroid hormone that is essential for the regulation of reproductive function. Progesterone has been approved for several indications including the treatment of anovulatory menstrual cycles, assisted reproductive technology, contraception during lactation and, when combined with estrogen, for the prevention of endometrial hyperplasia in postmenopausal hormonal therapy. In addition to its role in reproduction, progesterone regulates a number of biologically distinct processes in other tissues, particularly in the nervous system...
May 23, 2018: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/29781994/a-drosophila-in-vivo-injury-model-for-studying-neuroregeneration-in-the-peripheral-and-central-nervous-system
#7
Dan Li, Feng Li, Pavithran Guttipatti, Yuanquan Song
The regrowth capacity of damaged neurons governs neuroregeneration and functional recovery after nervous system trauma. Over the past few decades, various intrinsic and extrinsic inhibitory factors involved in the restriction of axon regeneration have been identified. However, simply removing these inhibitory cues is insufficient for successful regeneration, indicating the existence of additional regulatory machinery. Drosophila melanogaster, the fruit fly, shares evolutionarily conserved genes and signaling pathways with vertebrates, including humans...
May 5, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29780409/beneficial-effects-of-resveratrol-mediated-inhibition-of-the-mtor-pathway-in-spinal-cord-injury
#8
REVIEW
Jingying Zhou, Xue Huo, Benson O A Botchway, Luyao Xu, Xiaofang Meng, Songou Zhang, Xuehong Liu
Spinal cord injury (SCI) causes a high rate of morbidity and disability. The clinical features of SCI are divided into acute, subacute, and chronic phases according to its pathophysiological events. The mammalian target of rapamycin (mTOR) signaling pathway plays an important role in cell death and inflammation in the acute phase and neuroregeneration in the subacute/chronic phases at different times. Resveratrol has the potential of regulating cell growth, proliferation, metabolism, and angiogenesis through the mTOR signaling pathway...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29766041/report-on-the-national-eye-institute-s-audacious-goals-initiative-creating-a-cellular-environment-for-neuroregeneration
#9
Marie E Burns, Beth Stevens
The cellular environment of the CNS is non-permissive for growth and regeneration. In the retina, transplantation of stem cells has been limited by inefficient survival and integration into existing circuits. In November 2016, as part of the National Eye Institute's Audacious Goals Initiative (AGI), a diverse collection of investigators gathered for a workshop devoted to articulating the gaps in knowledge, barriers to progress, and ideas for new approaches to understanding cellular environments within the retina and how these environments may be manipulated...
March 2018: ENeuro
https://www.readbyqxmd.com/read/29754175/stem-cell-therapies-for-neurodegenerative-diseases
#10
Kiminobu Sugaya, Manjusha Vaidya
Stem cell therapies have been proposed as a treatment option for neurodegenerative diseases, but the best stem cell source and therapeutic efficacy for neuroregeneration remain uncertain. Embryonic stem cells (ESCs) and neural stem cells (NSCs), which can efficiently generate neural cells, could be good candidates but they pose ethical and practical issues. Not only difficult to find the good source of those cells but also they alway pose immunorejection problem since they may not be an autologous cells. Even if we overcome the immunorejection problem, it has also been reported that transplantation of ESCs develop teratoma...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29752481/publisher-correction-the-c-terminal-tails-of-endogenous-glua1-and-glua2-differentially-contribute-to-hippocampal-synaptic-plasticity-and-learning
#11
Zikai Zhou, An Liu, Shuting Xia, Celeste Leung, Junxia Qi, Yanghong Meng, Wei Xie, Pojeong Park, Graham L Collingridge, Zhengping Jia
In the version of this article initially published, the wrong version of Supplementary Fig. 10 was posted and the city for affiliation 4, the Co-innovation Center of Neuroregeneration, Nantong University, was given as Nanjing instead of Nantong. The errors have been corrected in the HTML and PDF versions of the article.
May 11, 2018: Nature Neuroscience
https://www.readbyqxmd.com/read/29733569/directing-ipsc-derived-neural-stem-cell-fate-with-3d-biomimetic-hydrogel-for-spinal-cord-injury-repair
#12
Lei Fan, Can Liu, Xiuxing Chen, Yan Zou, Zhengnan Zhou, Chengkai Lin, Guoxin Tan, Lei Zhou, Chengyun Ning, Qiyou Wang
Current treatment approaches for spinal cord injuries (SCIs) are mainly based on cellular transplantation. Induced pluripotent stem cells (iPSCs) without supply constraints and ethical concerns have emerged as a viable treatment option for repairing neurological disorders. However, the primarily limitations in the neuroregeneration field are uncontrolled cell differentiation, and low cell viability caused by the ischemic environment. The mechanical property of three-dimensional (3D) hydrogel can be easily controlled and shared similar characteristics with nerve tissue, thus promoting cell survival and controlled cell differentiation...
May 7, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29722303/harnessing-migraines-for-neural-regeneration
#13
REVIEW
Jonathan M Borkum
The success of naturalistic or therapeutic neuroregeneration likely depends on an internal milieu that facilitates the survival, proliferation, migration, and differentiation of stem cells and their assimilation into neural networks. Migraine attacks are an integrated sequence of physiological processes that may protect the brain from oxidative stress by releasing growth factors, suppressing apoptosis, stimulating neurogenesis, encouraging mitochondrial biogenesis, reducing the production of oxidants, and upregulating antioxidant defenses...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29722301/collagen-for-brain-repair-therapeutic-perspectives
#14
REVIEW
Buket Ucar, Christian Humpel
Biomaterials have increasingly become a focus of research on neuroprotection and neuroregeneration. Collagen, in terms of brain repair, presents many advantages such as being remarkably biocompatible, biodegradable, versatile and non-toxic. Collagen can be used to form injectable scaffolds and micro/nano spheres in order to: (i) locally release therapeutic factors with the aim of protecting degenerating neurons in neurodegenerative conditions such as Alzheimer's or Parkinson's diseases, (ii) encapsulate stem cells for safe delivery, (iii) encapsulate genetically modified cells to provide a long term source of trophic factors, (iv) fill in the voids from injury to serve as a structural support and provide a permissive microenvironment to promote axonal growth...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29722298/acupuncture-and-neuroregeneration-in-ischemic-stroke
#15
REVIEW
Qwang-Yuen Chang, Yi-Wen Lin, Ching-Liang Hsieh
Acupuncture is potentially beneficial for post-stroke rehabilitation and is considered a promising preventive strategy for stroke. Electroacupuncture pretreatment or treatment after ischemic stroke by using appropriate electroacupuncture parameters generates neuroprotective and neuroregenerative effects that increase cerebral blood flow, regulate oxidative stress, attenuate glutamate excitotoxicity, maintain blood-brain barrier integrity, inhibit apoptosis, increase growth factor production, and induce cerebral ischemic tolerance...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29698670/the-pericyte-secretome-potential-impact-on-regeneration
#16
REVIEW
Abderahim Gaceb, Marco Barbariga, Ilknur Özen, Gesine Paul
Personalized and regenerative medicine is an emerging therapeutic strategy that is based on cell biology and biomedical engineering used to develop biological substitutes to maintain normal function or restore damaged tissues and organs. The secretory capacities of different cell types are now explored as such possible therapeutic regenerative agents in a variety of diseases. A secretome can comprise chemokines, cytokines, growth factors, but also extracellular matrix components, microvesicles and exosomes as well as genetic material and may differ depending on the tissue and the stimulus applied to the cell...
April 23, 2018: Biochimie
https://www.readbyqxmd.com/read/29690821/severe-traumatic-brain-injury-induces-early-changes-in-the-physical-properties-and-protein-composition-of-intracranial-extracellular-vesicles
#17
Janja Kuharić, Kristina Grabusic, Vlatka Sotosek Tokmadzic, Sanja Štifter, Ksenija Tulić, Olga Shevchuk, Pero Lučin, Alan Šustić
Extracellular vesicles (EVs) are membranous nanostructures that can indicate undergoing processes in organs and thus help in diagnostics and prognostics. They are secreted by all cells, contained in body fluids and able to transfer proteins, lipids and nucleic acids to distant cells. Intracranial EVs were shown to change their composition after severe traumatic brain injury (TBI) and therefore to have biomarker potential to evaluate brain events. However, properties of intracranial EVs early after TBI have not been characterized...
April 25, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29682341/corneal-subbasal-nerve-recovery-in-an-acute-case-of-ultraviolet-keratitis-treated-with-autologous-serum-eye-drops
#18
Farshad Abedi, Pedram Hamrah
Purpose: To report degeneration of subbasal corneal nerves and the subsequent neuroregeneration in a case of acute ultraviolet (UV) keratitis, treated with autologous serum eye drops. Methods: Case report. Results: A 37-year-old female presented with ocular discomfort and blurred vision in both eyes, after exposure to UV-C light in a laboratory. On exam, she had bilateral conjunctival injection and superficial punctate keratitis (SPK), worse in the left, consistent with acute, bilateral, but asymmetric UV-C keratitis...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29665726/dexmedetomidine-mitigates-microglia-mediated-neuroinflammation-through-upregulation-of-programmed-cell-death-protein-1-in-a-rat-spinal-cord-injury-model
#19
Hefan He, Yingying Zhou, Yilin Zhou, Jiayuan Zhuang, Xu He, Siyuan Wang, Wenping Lin
Excessive neuroinflammation aggravates neurological damage after spinal cord injury (SCI). Controlling neuroinflammation might favor neuroregeneration and tissue repair. Dexmedetomidine is reported to inhibit post-SCI neuroinflammation in previous research. In the current study, to determine the mechanisms by which dexmedetomidine inhibits neuroinflammation, we tested the effect of dexmedetomidine hydrochloride on microglia in vitro and in a rat SCI model. We found that dexmedetomidine hydrochloride up-regulated programmed cell death protein 1 (PD-1), an immunoregulatory molecule, in activated microglia but not in resting microglia...
June 7, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29627520/promoting-neuroregeneration-by-applying-dynamic-magnetic-fields-to-a-novel-nanomedicine-superparamagnetic-iron-oxide-spio-gold-nanoparticles-bounded-with-nerve-growth-factor-ngf
#20
Muzhaozi Yuan, Ya Wang, Yi-Xian Qin
Neuroregeneration imposes a significant challenge in neuroscience for treating neurodegenerative diseases. The objective of this study is to evaluate the hypothesis that the nerve growth factor (NGF) functionalized superparamagnetic iron oxide (SPIO)-gold (Au) nanomedicine can stimulate the neuron growth and differentiation under external magnetic fields (MFs), and dynamic MFs outperform their static counterparts. The SPIO-Au core-shell nanoparticles (NPs) (Diameter: 20.8 nm) possessed advantages such as uniform quasi-spherical shapes, narrow size distribution, excellent stabilities, and low toxicity (viability >96% for 5 days)...
April 5, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
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