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Glial stem cell

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https://www.readbyqxmd.com/read/29218080/whether-cd44-is-an-applicable-marker-for-glioma-stem-cells
#1
Hsiao-Han Wang, Chen-Chieh Liao, Nan-Haw Chow, Lynn Ling-Huei Huang, Jih-Ing Chuang, Kuo-Chen Wei, Jyh-Wei Shin
Glioblastoma multiforme (GBM) is one of the most malignant and aggressive brain tumors with great amount of hyaluronan (HA) secretion and CD44 overexpression (HA receptor). CD44 has been suggested as a cancer stem cells (CSCs) marker. However, several clinical studies have indicated that CD44low glioma cell exhibit CSCs traits. Additionally, our previous study indicated that more CD44 expression was associated with a better prognosis in GBM patients. To determine whether CD44 is an appropriate marker of glioma stem cells (GSCs), we manipulated CD44 expression using intrinsic (CD44 knockdown, CD44kd) and extrinsic (HA supplement, HA+) methods...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29217999/prospects-for-modeling-abnormal-neuronal-function-in-schizophrenia-using-human-induced-pluripotent-stem-cells
#2
REVIEW
Iya Prytkova, Kristen J Brennand
Excitatory dopaminergic neurons, inhibitory GABAergic neurons, microglia, and oligodendrocytes have all been implicated in schizophrenia (SZ) network pathology. Still, SZ has been a difficult disorder to study, not only because of the limitations of animal models in capturing the complexity of the human mind, but also because it is greatly polygenic, with high rates of variability across the population. The advent of patient-derived pluripotent stem cells and induced neural and glial cultures has brought hope for modeling the molecular dysfunction underlying SZ pathology in a patient-specific manner...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29215941/the-role-of-wnt-%C3%AE-catenin-signaling-pathway-in-the-transdifferentiation-from-periodontal-ligament-stem-cells-to-schwann-cells
#3
Dapeng Liao, Xiaojie Li, Yan Dong, Gang Sun
This study was aimed to investigate the role of Wnt/β-catenin signaling pathway in the differentiation from periodontal ligament stem cells (PDLSCs) to Schwann cells (SCs) and the possible mechanisms. FzB was applied to inhibit the Wnt/β-catenin signaling pathway of differentiated PDLSCs (dPDLSCs), and then immunofluorescence, polymerase chain reaction (PCR), and Western blotting analysis were performed to detect SC marker genes and proteins such as S100, glial fibrillary acidic protein (GFAP), and P75NTR...
December 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/29215736/protective-effect-of-epigenetic-silencing-of-cyclind1-against-spinal-cord-injury-using-bone-marrow-derived-mesenchymal-stem-cells-in-rats
#4
Yuan Wang, Qing-Jie Kong, Jin-Chuan Sun, Xi-Ming Xu, Yong Yang, Ning Liu, Jian-Gang Shi
OBJECTIVE: This study focuses on the protective effect of epigenetic silencing of CyclinD1 against spinal cord injury (SCI) using bone marrow-derived mesenchymal stem cells (BMSCs) in rats. METHODS: Eighty-eight adult female Wistar rats were randomly assigned into the sham group, the control group, the si-CyclinD1 + BMSCs group and the BMSCs group. CyclinD1 protein and mRNA expressions after siRNA transfection were detected by western blotting and qRT-PCR. The siRNA-CyclinD1 BMSCs were transplanted into rats in the si-CyclinD1 + BMSCs group using stereotaxic method 6 h after SCI...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29207913/generation-of-dopamine-secreting-cells-from-human-adipose-tissue-derived-stem-cells-in-vitro
#5
Mohammad Hasan Soheilifar, Arash Javeri, Hossein Amini, Masoumeh Fakhr Taha
Several studies have demonstrated the differentiation of human adipose tissue-derived stem cells (hADSCs) to neuronal and glial phenotypes, but directing the fate of these cells toward dopaminergic neurons has not been frequently reported. The aim of the present study was to investigate dopaminergic specification of hADSCs in vitro. ADSCs were isolated from subcutaneous abdominal adipose tissue and were characterized. For dopaminergic differentiation, a cocktail of sonic hedgehog, fibroblast growth factor 8, basic fibroblast growth factor and brain-derived neurotrophic factor were used under a low serum condition...
December 5, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/29207043/naringenin-induces-laxative-effects-by-upregulating-the-expression-levels-of-c-kit-and-scf-as-well-as-those-of-aquaporin-3-in-mice-with-loperamide-induced-constipation
#6
Jianqiao Yin, Yichao Liang, Dalu Wang, Zhaopeng Yan, Hongzhuan Yin, Di Wu, Qi Su
Constipation is a common affliction which causes discomfort and affects the quality of life of affected individuals. Naringenin (NAR), a natural flavonoid widely found in citrus fruits and tomatoes, has been reported to exhibit various pharmacological effects, such as anti-inflammatory, anti-atherogenic, anti-mutagenic, hepatoprotective and anticancer effects. Increasing evidence has indicated that NAR has potential for use in the treatment of constipation. Thus, the aim of this study was to evaluate the laxative effects of NAR in mice with loperamide-induced (Lop-induced) constipation...
December 1, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29193736/development-of-interstitial-cells-of-cajal-in-the-human-digestive-tract-as-the-result-of-reciprocal-induction-of-mesenchymal-and-neural-crest-cells
#7
REVIEW
Goran Radenkovic, Dina Radenkovic, Aleksandra Velickov
Neural crest cells (NCC) can migrate into different parts of the body and express their strong inductive potential. In addition, they are multipotent and are able to differentiate into various cell types with diverse functions. In the primitive gut, NCC induce differentiation of muscular structures and interstitial cells of Cajal (ICC), and they themselves differentiate into the elements of the enteric nervous system (ENS), neurons and glial cells. ICC develop by way of mesenchymal cell differentiation in the outer parts of the primitive gut wall around the myenteric plexus (MP) ganglia, with the exception of colon, where they appear simultaneously also at the submucosal border of the circular muscular layer around the submucosal plexus (SMP) ganglia...
November 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29192282/functionalized-gold-nanorod-nanocomposite-system-to-modulate-differentiation-of-human-mesenchymal-stem-cells-into-neural-like-progenitors
#8
Karrer M Alghazali, Steven D Newby, Zeid A Nima, Rabab N Hamzah, Fumiya Watanabe, Shawn E Bourdo, Thomas J Masi, Stacy M Stephenson, David E Anderson, Madhu S Dhar, Alexandru S Biris
A 2D multifunctional nanocomposite system of gold nanorods (AuNRs) was developed. Gold nanorods were functionalized via polyethylene glycol with a terminal amine, and, were characterized using transmission and scanning electron microscopy, ultra violet-visible and X-ray photoelectron spectroscopy, and Zeta-potential. The system was cytocompatible to and maintained the integrity of Schwann cells. The neurogenic potential of adipose tissue - derived human mesenchymal stem cells (hMSCs) was evaluated in vitro...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29174588/trimethylene-carbonate-caprolactone-conduit-with-poly-p-dioxanone-microfilaments-to-promote-regeneration-after-spinal-cord-injury
#9
Liudmila N Novikova, Mallappa K Kolar, Paul J Kingham, Andreas Ullrich, Sven Oberhoffner, Monika Renardy, Michael Doser, Erhard Müller, Mikael Wiberg, Lev N Novikov
Spinal cord injury (SCI) is often associated with scarring and cavity formation and therefore bridging strategies are essential to provide a physical substrate for axonal regeneration. In this study we investigated the effects of a biodegradable conduit made from trimethylene carbonate and ε-caprolactone (TC) containing poly-p-dioxanone microfilaments (PDO) with longitudinal grooves on regeneration after SCI in adult rats. In vitro studies demonstrated that different cell types including astrocytes, meningeal fibroblasts, Schwann cells and adult sensory dorsal root ganglia neurons can grow on the TC and PDO material...
November 22, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29174469/boundary-cap-cells-in-development-and-disease
#10
REVIEW
Katarzyna J Radomska, Piotr Topilko
Broad plasticity of the peripheral glia is an emerging concept during development of the peripheral nervous system (PNS). Recent studies have identified the neural crest-derived boundary caps (BCs), as a multitask stem cell population of the developing PNS. BC progeny migrate along the nerves to provide the major glial component of nerve roots and nerve terminals in the skin. Strikingly, those two locations constitute the privileged sites for development of benign peripheral nerve sheath tumors called neurofibromas in patients with neurofibromatosis type 1 (NF1), making BCs attractive candidates for the 'cell of origin' of this disease...
November 22, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29167725/transdifferentiation-of-human-dental-pulp-stem-cells-into-oligoprogenitor-cells
#11
Ardeshir Moayeri, Maryam Nazm Bojnordi, Sara Haratizadeh, Amir Esmaeilnejad-Moghadam, Rafieh Alizadeh, Hatef Ghasemi Hamidabadi
Introduction: The nerve fibers in central nervous system are surrounded by myelin sheet which is formed by oligodendrocytes. Cell therapy based on oligodendrocytes and their precursors transplantation can hold a promising alternative treatment for myelin sheet repair in demyelinating diseases. Methods: Human Dental Pulp Stem Cells (hDPSCs) are noninvasive, autologous and easy available source with multipotency characteristics, so they are in focus of interest in regenerative medicine...
September 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/29163067/the-baf45d-protein-is-preferentially-expressed-in-adult-neurogenic-zones-and-in-neurons-and-may-be-required-for-retinoid-acid-induced-pax6-expression
#12
Chao Liu, Ruyu Sun, Jian Huang, Dijuan Zhang, Dake Huang, Weiqin Qi, Shenghua Wang, Fenfen Xie, Yuxian Shen, Cailiang Shen
Adult neurogenesis is important for the development of regenerative therapies for human diseases of the central nervous system (CNS) through the recruitment of adult neural stem cells (NSCs). NSCs are characterized by the capacity to generate neurons, astrocytes, and oligodendrocytes. To identify key factors involved in manipulating the adult NSC neurogenic fate thus has crucial implications for the clinical application. Here, we report that BAF45D is expressed in the subgranular zone (SGZ) of the dentate gyrus, the subventricular zone (SVZ) of the lateral ventricle, and the central canal (CC) of the adult spinal cord...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29163001/implantation-of-3d-constructs-embedded-with-oral-mucosa-derived-cells-induces-functional-recovery-in-rats-with-complete-spinal-cord-transection
#13
Javier Ganz, Erez Shor, Shaowei Guo, Anton Sheinin, Ina Arie, Izhak Michaelevski, Sandu Pitaru, Daniel Offen, Shulamit Levenberg
Spinal cord injury (SCI), involving damaged axons and glial scar tissue, often culminates in irreversible impairments. Achieving substantial recovery following complete spinal cord transection remains an unmet challenge. Here, we report of implantation of an engineered 3D construct embedded with human oral mucosa stem cells (hOMSC) induced to secrete neuroprotective, immunomodulatory, and axonal elongation-associated factors, in a complete spinal cord transection rat model. Rats implanted with induced tissue engineering constructs regained fine motor control, coordination and walking pattern in sharp contrast to the untreated group that remained paralyzed (42 vs...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29161339/astrocyte-specific-deletion-of-sox2-promotes-functional-recovery-after-traumatic-brain-injury
#14
Chunhai Chen, Xiaoling Zhong, Derek K Smith, Wenjiao Tai, Jianjing Yang, Yuhua Zou, Lei-Lei Wang, Jiahong Sun, Song Qin, Chun-Li Zhang
Injury to the adult brain induces activation of local astrocytes, which serves as a compensatory response that modulates tissue damage and recovery. However, the mechanism governing astrocyte activation during brain injury remains largely unknown. Here we provide in vivo evidence that SOX2, a transcription factor critical for stem cells and brain development, is also required for injury-induced activation of adult cortical astrocytes. Genome-wide chromatin immunoprecipitation-seq analysis of mouse cortical tissues reveals that SOX2 binds to regulatory regions of genes associated with signaling pathways that control glial cell activation, such as Nr2e1, Mmd2, Wnt7a, and Akt2...
November 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29161152/proliferative-cells-isolated-from-the-adult-human-peripheral-retina-only-transiently-upregulate-key-retinal-markers-upon-induced-differentiation
#15
Erik O Johnsen, Rebecca C Frøen, Ole Kristoffer Olstad, Bjørn Nicolaissen, Goran Petrovski, Morten C Moe, Agate Noer
Purpose/Aim: The adult human retina has limited regenerative potential, and severe injury will result in permanent damage. Lower vertebrates handle retinal injury by activating neural stem cells (NSCs) in the ciliary marginal zone (CMZ). Müller glia-like cells expressing markers of NSCs are also present in the peripheral retina (PR) of the adult human eye, leading to the hypothesis that a CMZ-like zone might exists also in humans. In order to shed further light on this hypothesis we investigated the in vitro differentiation potential of proliferative cells isolated from the adult human PR towards a retinal phenotype...
November 21, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29152836/modulation-of-fatty-acid-metabolism-and-immune-suppression-are-features-of-in-vitro-tumour-sphere-formation-in-ontogenetically-distinct-dog-cancers
#16
J-H Kim, A M Frantz, A L Sarver, B H Gorden Klukas, M Lewellen, T D O'Brien, E B Dickerson, J F Modiano
Non-adherent, 3-dimensional sphere formation is used as an in vitro surrogate to evaluate cellular potential for tumour initiation and self-renewal. To determine if a shared molecular program underlies the capacity for sphere formation by cells originating from diverse tumour types, we characterized molecular and functional properties of 10 independent cell lines derived from 3 ontogenetically distinct dog cancers: hemangiosarcoma, osteosarcoma and glial brain tumours. Genome-wide gene expression profiling identified tumour-of-origin-dependent patterns of adjustment to sphere formation in a uniform culture condition...
November 20, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29152094/xenotransplantation-of-pediatric-low-grade-gliomas-confirms-the-enrichment-of-braf-v600e-mutation-and-preservation-of-cdkn2a-deletion-in-a-novel-orthotopic-xenograft-mouse-model-of-progressive-pleomorphic-xanthoastrocytoma
#17
Mari Kogiso, Lin Qi, Holly Lindsay, Yulun Huang, Xiumei Zhao, Zhigang Liu, Frank K Braun, Yuchen Du, Huiyuan Zhang, Goeun Bae, Sibo Zhao, Sarah G Injac, Mary Sobieski, David Brunell, Vidya Mehta, Diep Tran, Jeffrey Murray, Patricia A Baxter, Xiao-Jun Yuan, Jack M Su, Adekunle Adesina, Laszlo Perlaky, Murali Chintagumpala, D Williams Parsons, Ching C Lau, Clifford C Stephan, Xinyan Lu, Xiao-Nan Li
To identify cellular and molecular changes that driver pediatric low grade glioma (PLGG) progression, we analyzed putative cancer stem cells (CSCs) and evaluated key biological changes in a novel and progressive patient-derived orthotopic xenograft (PDOX) mouse model. Flow cytometric analysis of 22 PLGGs detected CD133(+) (<1.5%) and CD15(+) (20.7 ± 28.9%) cells, and direct intra-cranial implantation of 25 PLGGs led to the development of 1 PDOX model from a grade II pleomorphic xanthoastrocytoma (PXA). While CSC levels did not correlate with patient tumor progression, neurosphere formation and in vivo tumorigenicity, the PDOX model, IC-3635PXA, reproduced key histological features of the original tumor...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29150616/nmr-metabolomics-for-stem-cell-type-discrimination
#18
Franca Castiglione, Monica Ferro, Evangelos Mavroudakis, Rosalia Pellitteri, Patrizia Bossolasco, Damiano Zaccheo, Massimo Morbidelli, Vincenzo Silani, Andrea Mele, Davide Moscatelli, Lidia Cova
Cell metabolism is a key determinant factor for the pluripotency and fate commitment of Stem Cells (SCs) during development, ageing, pathological onset and progression. We derived and cultured selected subpopulations of rodent fetal, postnatal, adult Neural SCs (NSCs) and postnatal glial progenitors, Olfactory Ensheathing Cells (OECs), respectively from the subventricular zone (SVZ) and the olfactory bulb (OB). Cell lysates were analyzed by proton Nuclear Magnetic Resonance ((1)H-NMR) spectroscopy leading to metabolites identification and quantitation...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29145015/glial-control-of-neurogenesis
#19
REVIEW
Sven Falk, Magdalena Götz
Glial cells are central components of all neurogenic niches in the embryonic as well as in the adult central nervous system. While neural stem cells (NSCs) themselves exhibit glial features the behavior of NSCs is also strongly influenced by niche glial cells. Recently, studies have begun to uncover a large variety of glial cell-extrinsic as well as intrinsic factors that play crucial roles in the control of NSCs and the regulation of the cellular output from the neurogenic niches. In this review, we focus on mechanisms underlying the formation of adult NSCs by embryonic radial glia cells, discuss the influence of niche glia cells on adult NSCs and examine how the neurogenic potential of glial cells is controlled...
November 13, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29143997/epidermal-neural-crest-stem-cell-derived-glia-enhance-neurotrophic-elements-in-an-ex-vivo-model-of-spinal-cord-injury
#20
Sareh Pandamooz, Mohammad Saied Salehi, Mohammad Ismail Zibaii, Abolhassan Ahmadiani, Mohammad Nabiuni, Leila Dargahi
Growing evidence that cell-based therapies can improve recovery outcome in spinal cord injury (SCI) models substantiates their application for treatment of human with SCI. To address the effectiveness of these stem cells, potential candidates should be evaluated in proper SCI platform that allows direct real-time monitoring. In this study, the role of epidermal neural crest stem cells (EPI-NCSCs) was elucidated in an ex vivo model of SCI and valproic acid (VPA) was administered to ameliorate the inhospitable context of injury for grafted EPI-NCSCs...
November 16, 2017: Journal of Cellular Biochemistry
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