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Stem cell and intranasal

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https://www.readbyqxmd.com/read/29040281/impaired-anti-fibrotic-effect-of-bone-marrow-derived-mesenchymal-stem-cell-in-a-mouse-model-of-pulmonary-paracoccidioidomycosis
#1
Julián Camilo Arango, Juan David Puerta-Arias, Paula Andrea Pino-Tamayo, Lina María Salazar-Peláez, Mauricio Rojas, Ángel González
Bone marrow-derived mesenchymal stem cells (BMMSCs) have been consider as a promising therapy in fibrotic diseases. Experimental models suggest that BMMSCs may be used as an alternative therapy to treat chemical- or physical-induced pulmonary fibrosis. We investigated the anti-fibrotic potential of BMMSCs in an experimental model of lung fibrosis by infection with Paracoccidioides brasiliensis. BMMSCs were isolated and purified from BALB/c mice using standardized methods. BALB/c male mice were inoculated by intranasal infection of 1...
October 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28974616/murine-cytomegalovirus-spreads-by-dendritic-cell-recirculation
#2
Helen E Farrell, Kimberley Bruce, Clara Lawler, Martha Oliveira, Rhonda Cardin, Nicholas Davis-Poynter, Philip G Stevenson
Herpesviruses have coevolved with their hosts over hundreds of millions of years and exploit fundamental features of their biology. Cytomegaloviruses (CMVs) colonize blood-borne myeloid cells, and it has been hypothesized that systemic dissemination arises from infected stem cells in bone marrow. However, poor CMV transfer by stem cell transplantation argues against this being the main reservoir. To identify alternative pathways for CMV spread, we tracked murine CMV (MCMV) colonization after mucosal entry. We show that following intranasal MCMV infection, lung CD11c(+) dendritic cells (DC) migrated sequentially to lymph nodes (LN), blood, and then salivary glands...
October 3, 2017: MBio
https://www.readbyqxmd.com/read/28895435/intranasal-delivery-of-stem-cell-based-therapies-for-the-treatment-of-brain-malignancies
#3
Gina Li, Nicolas Bonamici, Mahua Dey, Maciej S Lesniak, Irina V Balyasnikova
Glioblastoma (GBM) is the most aggressive malignant brain cancer in adults, and its poor prognosis and resistance to the existing standard of care require the development of innovative therapeutic modalities. The local delivery of stem cells as therapeutic carriers against glioma has produced encouraging results, but encounters obstacles with regards to the repeatability and invasiveness of administration. Intranasal delivery of therapeutic stem cells could overcome these obstacles, among others, as a noninvasive and easily repeatable mode of administration...
September 12, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28879461/perinatal-exposure-to-the-cyanotoxin-%C3%AE-n-m%C3%A3-thylamino-l-alanine-bmaa-results-in-long-lasting-behavioral-changes-in-offspring-potential-involvement-of-dna-damage-and-oxidative-stress
#4
Anthony Laugeray, Asma Oummadi, Clément Jourdain, Justyne Feat, Géraldine Meyer-Dilhet, Arnaud Menuet, Karen Plé, Marion Gay, Sylvain Routier, Stéphane Mortaud, Gilles J Guillemin
We recently demonstrated that perinatal exposure to the glutamate-related herbicide, glufosinate ammonium, has deleterious effects on neural stem cell (NSC) homeostasis within the sub-ventricular zone (SVZ), probably leading to ASD-like symptoms in offspring later in life. In the present study, we aimed to investigate whether perinatal exposure to another glutamate-related toxicant, the cyanobacterial amino acid β-N-methylamino-L-alanine (BMAA), might also trigger neurodevelopmental disturbances. With this aim, female mice were intranasally exposed to low doses of BMAA, 50 mg kg(-1) three times a week from embryonic days 7-10 to postnatal day 21...
September 6, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28843892/anti-inflammatory-effect-of-stem-bark-of-paulownia-tomentosa-steud-in-lipopolysaccharide-lps-stimulated-raw264-7-macrophages-and-lps-induced-murine-model-of-acute-lung-injury
#5
Jae-Won Lee, Kyeong-Hwa Seo, Hyung Won Ryu, Heung Joo Yuk, Hyun Ah Park, YouRim Lim, Kyung-Seop Ahn, Sei-Ryang Oh
ETHNOPHARMACOLOGICAL RELEVANCE: The leaves, bark, and flowers of Paulownia tomentosa Steud. have been widely used as a traditional medicine in East Asia to treat inflammatory and infectious diseases. AIM OF THE STUDY: We investigated the protective effect of the methanol stem bark extract of P. tomentosa using an animal model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). MATERIALS AND METHODS: The UPLC Q-TOF-MS profiles for the methanol extract of P...
August 24, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28738501/inhibition-of-glycogen-synthase-kinase-3-increased-subventricular-zone-stem-cells-proliferation
#6
Narges Pachenari, Sahar Kiani, Mohammad Javan
The effects of Wnt signaling modifiers on cell proliferation, seem to be cell specific. Enhancing the proliferation of subventricular zone (SVZ) progenitors has been in the focus of research in recent years. Here we investigate the effect of CHIR99021, a Glycogen Synthase Kinase 3 (GSk-3) inhibitor, on SVZ progenitor's proliferation both in vivo and in vitro. Neural stem cells were extracted from the adult C57bl/6 by mincing and trypsin treatment followed by culturing in specific medium. Sphere cells formed within about 7-10days and were characterized by immunostaining...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28694091/combined-intranasal-nerve-growth-factor-and-ventricle-neural-stem-cell-grafts-prolong-survival-and-improve-disease-outcome-in-amyotrophic-lateral-sclerosis-transgenic-mice
#7
Shi-Jiang Zhong, Yan-Hua Gong, Yan-Chen Lin
Amyotrophic lateral sclerosis (ALS) is a fatal disease that selectively involves motor neurons. Neurotrophic factor supplementation and neural stem cell (NSC) alternative therapy have been used to treat ALS. The two approaches can affect each other in their pathways of action, and there is a possibility for synergism. However, to date, there have been no studies demonstrating the effects of combined therapy in the treatment of ALS. In this study, for the first time, we adopted a method involving the intranasal administration of nerve growth factor combined with lateral ventricle NSC transplantation using G93A-SOD1 transgenic mice as experimental subjects to explore the treatment effect of this combined therapy in ALS...
July 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28626025/intranasal-administration-of-mesenchymoangioblast-derived-mesenchymal-stem-cells-abrogates-airway-fibrosis-and-airway-hyperresponsiveness-associated-with-chronic-allergic-airways-disease
#8
Simon G Royce, Siddharth Rele, Brad R S Broughton, Kilian Kelly, Chrishan S Samuel
Structural changes known as airway remodeling (AWR) characterize chronic/severe asthma and contribute to lung dysfunction. Thus, we assessed the in vivo efficacy of induced pluripotent stem cell and mesenchymoangioblast-derived mesenchymal stem cells (MCA-MSCs) on AWR in a murine model of chronic allergic airways disease (AAD)/asthma. Female Balb/c mice were subjected to a 9-wk model of ovalbumin (Ova)-induced chronic AAD and treated intravenously or intranasally with MCA-MSCs from weeks 9 to 11. Changes in airway inflammation (AI), AWR, and airway hyperresponsiveness (AHR) were assessed...
September 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28605391/intranasal-delivery-of-therapeutic-stem-cells-to-glioblastoma-in-a-mouse-model
#9
Dou Yu, Gina Li, Maciej S Lesniak, Irina V Balyasnikova
The intrinsic tropism towards brain malignancies renders stem cells as promising carriers of therapeutic agents against malignant tumors. The delivery of therapeutic stem cells via the intranasal route is a recently discovered alternative strategy, with strong potential for clinical translation, due to its non-invasive nature compared to intracranial implantation or delivery via systemic routes. The lack of blood brain barrier further strengthens the therapeutic potential of stem cells undergoing intranasal brain entry...
June 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28450929/effect-of-intranasal-stem-cell-administration-on-the-nigrostriatal-system-in-a-mouse-model-of-parkinson-s-disease
#10
Mohamed Salama, Mahmoud Sobh, Mahmoud Emam, Ahmed Abdalla, Dina Sabry, Mohamed El-Gamal, Ahmed Lotfy, Mahmoud El-Husseiny, Mohamed Sobh, Ali Shalash, Wael My Mohamed
Parkinson's disease (PD) is the second most common neurodegenerative disease worldwide. It affects the locomotor system, leading to a final severe disability through degeneration of dopaminergic neurons. Despite several therapeutic approaches used, no treatment has been proven to be effective; however, cell therapy may be a promising therapeutic method. In addition, the use of the intranasal (IN) route has been advocated for delivering various therapies to the brain. In the present study, the IN route was used for administration of mesenchymal stem cells (MSCs) in a mouse model of PD, with the aim to evaluate IN delivery as an alternative route for cell based therapy administration in PD...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28446004/conditioned-medium-derived-from-salidroside-pretreated-mesenchymal-stem-cell-culture-ameliorates-mouse-lipopolysaccharide-induced-cerebral-neuroinflammation-histological-and-immunohistochemical-study
#11
Zeinab M El Maadawi
Background and Objectives: Neuroinflammation is involved in the pathogenesis of neurodegenerative disorders. Conditioned medium (CM) derived from bone marrow mesenchymal stem cells (MSCs) revealed substantial benefits due to its rich content of trophic factors. Salidroside (Sal), extracted from Rhodiola rosea, is known for its anti-inflammatory and neuroprotective effects. This study was designed to investigate the effect of Sal pretreated CM (CM-Sal) derived from bone marrow MSCs in lipopolysaccharide (LPS) induced neuroinflammation...
May 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28424564/new-developments-in-the-management-of-narcolepsy
#12
REVIEW
Vivien C Abad, Christian Guilleminault
Narcolepsy is a life-long, underrecognized sleep disorder that affects 0.02%-0.18% of the US and Western European populations. Genetic predisposition is suspected because of narcolepsy's strong association with HLA DQB1*06-02, and genome-wide association studies have identified polymorphisms in T-cell receptor loci. Narcolepsy pathophysiology is linked to loss of signaling by hypocretin-producing neurons; an autoimmune etiology possibly triggered by some environmental agent may precipitate hypocretin neuronal loss...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28396435/intranasal-msc-derived-a1-exosomes-ease-inflammation-and-prevent-abnormal-neurogenesis-and-memory-dysfunction-after-status-epilepticus
#13
Qianfa Long, Dinesh Upadhya, Bharathi Hattiangady, Dong-Ki Kim, Su Yeon An, Bing Shuai, Darwin J Prockop, Ashok K Shetty
Status epilepticus (SE), a medical emergency that is typically terminated through antiepileptic drug treatment, leads to hippocampus dysfunction typified by neurodegeneration, inflammation, altered neurogenesis, as well as cognitive and memory deficits. Here, we examined the effects of intranasal (IN) administration of extracellular vesicles (EVs) secreted from human bone marrow-derived mesenchymal stem cells (MSCs) on SE-induced adverse changes. The EVs used in this study are referred to as A1-exosomes because of their robust antiinflammatory properties...
April 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28056358/administrations-of-human-adult-ischemia-tolerant-mesenchymal-stem-cells-and-factors-reduce-amyloid-beta-pathology-in-a-mouse-model-of-alzheimer-s-disease
#14
Taoufiq Harach, Fabien Jammes, Charles Muller, Nicolas Duthilleul, Victoria Cheatham, Valentin Zufferey, David Cheatham, Yelizaveta A Lukasheva, Theo Lasser, Tristan Bolmont
The impact of human adult ischemia-tolerant mesenchymal stem cells (hMSCs) and factors (stem cell factors) on cerebral amyloid beta (Aβ) pathology was investigated in a mouse model of Alzheimer's disease (AD). To this end, hMSCs were administered intravenously to APPPS1 transgenic mice that normally develop cerebral Aβ. Quantitative reverse transcriptase polymerase chain reaction biodistribution revealed that intravenously delivered hMSCs were readily detected in APPPS1 brains 1 hour following administration, and dropped to negligible levels after 1 week...
March 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/27956400/complement-peptide-c3a-stimulates-neural-plasticity-after-experimental-brain-ischaemia
#15
Anna Stokowska, Alison L Atkins, Javier Morán, Tulen Pekny, Linda Bulmer, Michaela C Pascoe, Scott R Barnum, Rick A Wetsel, Jonas A Nilsson, Mike Dragunow, Marcela Pekna
Ischaemic stroke induces endogenous repair processes that include proliferation and differentiation of neural stem cells and extensive rewiring of the remaining neural connections, yet about 50% of stroke survivors live with severe long-term disability. There is an unmet need for drug therapies to improve recovery by promoting brain plasticity in the subacute to chronic phase after ischaemic stroke. We previously showed that complement-derived peptide C3a regulates neural progenitor cell migration and differentiation in vitro and that C3a receptor signalling stimulates neurogenesis in unchallenged adult mice...
February 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27781299/mesenchymal-stem-cells-attenuate-mri-identifiable-injury-protect-white-matter-and-improve-long-term-functional-outcomes-after-neonatal-focal-stroke-in-rats
#16
Cindy T van Velthoven, Mark Dzietko, Michael F Wendland, Nikita Derugin, Joel Faustino, Cobi J Heijnen, Donna M Ferriero, Zinaida S Vexler
Cell therapy has emerged as a potential treatment for many neurodegenerative diseases including stroke and neonatal ischemic brain injury. Delayed intranasal administration of mesenchymal stem cells (MSCs) after experimental hypoxia-ischemia and after a transient middle cerebral artery occlusion (tMCAO) in neonatal rats has shown improvement in long-term functional outcomes, but the effects of MSCs on white matter injury (WMI) are insufficiently understood. In this study we used longitudinal T2-weighted (T2W) and diffusion tensor magnetic resonance imaging (MRI) to characterize chronic injury after tMCAO induced in postnatal day 10 (P10) rats and examined the effects of delayed MSC administration on WMI, axonal coverage, and long-term somatosensory function...
May 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27780343/gene-editing-and-genetic-lung-disease-basic-research-meets-therapeutic-application
#17
REVIEW
Deepthi Alapati, Edward E Morrisey
Although our understanding of the genetics and pathology of congenital lung diseases such as surfactant protein deficiency, cystic fibrosis, and alpha-1 antitrypsin deficiency is extensive, treatment options are lacking. Because the lung is a barrier organ in direct communication with the external environment, targeted delivery of gene corrective technologies to the respiratory system via intratracheal or intranasal routes is an attractive option for therapy. CRISPR/Cas9 gene-editing technology is a promising approach to repairing or inactivating disease-causing mutations...
March 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27647937/serelaxin-improves-the-therapeutic-efficacy-of-rxfp1-expressing-human-amnion-epithelial-cells-in-experimental-allergic-airway-disease
#18
Simon G Royce, Anna M Tominaga, Matthew Shen, Krupesh P Patel, Brooke M Huuskes, Rebecca Lim, Sharon D Ricardo, Chrishan S Samuel
Current asthma therapies primarily target airway inflammation (AI) and suppress episodes of airway hyperresponsiveness (AHR) but fail to treat airway remodelling (AWR), which can develop independently of AI and contribute to irreversible airway obstruction. The present study compared the anti-remodelling and therapeutic efficacy of human bone marrow-derived mesenchymal stem cells (MSCs) to that of human amnion epithelial stem cells (AECs) in the setting of chronic allergic airways disease (AAD), in the absence or presence of an anti-fibrotic (serelaxin; RLX)...
December 1, 2016: Clinical Science (1979-)
https://www.readbyqxmd.com/read/27594591/intranasal-oncolytic-virotherapy-with-cxcr4-enhanced-stem-cells-extends-survival-in-mouse-model-of-glioma
#19
Mahua Dey, Dou Yu, Deepak Kanojia, Gina Li, Madina Sukhanova, Drew A Spencer, Katatzyna C Pituch, Lingjiao Zhang, Yu Han, Atique U Ahmed, Karen S Aboody, Maciej S Lesniak, Irina V Balyasnikova
The challenges to effective drug delivery to brain tumors are twofold: (1) there is a lack of non-invasive methods of local delivery and (2) the blood-brain barrier limits systemic delivery. Intranasal delivery of therapeutics to the brain overcomes both challenges. In mouse model of malignant glioma, we observed that a small fraction of intranasally delivered neural stem cells (NSCs) can migrate to the brain tumor site. Here, we demonstrate that hypoxic preconditioning or overexpression of CXCR4 significantly enhances the tumor-targeting ability of NSCs, but without altering their phenotype only in genetically modified NSCs...
September 13, 2016: Stem Cell Reports
https://www.readbyqxmd.com/read/27594413/curcumin-loaded-embryonic-stem-cell-exosomes-restored-neurovascular-unit-following-ischemia-reperfusion-injury
#20
Anuradha Kalani, Pankaj Chaturvedi, Pradip K Kamat, Claudio Maldonado, Philip Bauer, Irving G Joshua, Suresh C Tyagi, Neetu Tyagi
We tested whether the combined nano-formulation, prepared with curcumin (anti-inflammatory and neuroprotective molecule) and embryonic stem cell exosomes (MESC-exo(cur)), restored neurovascular loss following an ischemia reperfusion (IR) injury in mice. IR-injury was created in 8-10 weeks old mice and divided into two groups. Out of two IR-injured groups, one group received intranasal administration of MESC-exo(cur) for 7days. Similarly, two sham groups were made and one group received MESC-exo(cur) treatment...
October 2016: International Journal of Biochemistry & Cell Biology
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