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Mesenchymal cell transplantation

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https://www.readbyqxmd.com/read/28437177/periodontal-derived-mesenchymal-cell-sheets-promote-periodontal-regeneration-in-inflammatory-microenvironment
#1
Shujuan Guo, Jian Kang, Baohui Ji, Weihua Guo, Yi Ding, Yafei Wu, Weidong Tian
In this study, we investigated the periodontal regenerative potential of dental follicle cell (DFC) sheets and periodontal ligament cell (PDLC) sheets in the simulating inflammatory microenvironment of periodontitis, in order to confirm their regenerative potential for clinical application and explain the possible mechanism. The biological characteristics of DFC sheets and PDLC sheets were explored in lipopolysaccharid from Porphyromonas gingivalis (P. gingivalis LPS) induced inflammation microenvironment in vitro, then cell sheets were transplanted into canine periodontal defects with experimental periodontitis in situ for three months...
February 14, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28435461/recipient-glycemic-micro-environments-govern-therapeutic-effects-of-mesenchymal-stem-cell-infusion-on-osteopenia
#2
Bing-Dong Sui, Cheng-Hu Hu, Chen-Xi Zheng, Yi Shuai, Xiao-Ning He, Ping-Ping Gao, Pan Zhao, Meng Li, Xin-Yi Zhang, Tao He, Kun Xuan, Yan Jin
Therapeutic effects of mesenchymal stem cell (MSC) infusion have been revealed in various human disorders, but impacts of diseased micro-environments are only beginning to be noticed. Donor diabetic hyperglycemia is reported to impair therapeutic efficacy of stem cells. However, whether recipient diabetic condition also affects MSC-mediated therapy is unknown. We and others have previously shown that MSC infusion could cure osteopenia, particularly in ovariectomized (OVX) mice. Here, we discovered impaired MSC therapeutic effects on osteopenia in recipient type 1 diabetes (T1D)...
2017: Theranostics
https://www.readbyqxmd.com/read/28424584/hif-1%C3%AE-overexpression-improves-transplanted-bone-mesenchymal-stem-cells-survival-in-rat-mcao-stroke-model
#3
Bingke Lv, Feng Li, Jianbang Han, Jie Fang, Limin Xu, Chengmei Sun, Tian Hua, Zhongfei Zhang, Zhiming Feng, Xiaodan Jiang
Bone mesenchymal stem cells (BMSCs) death after transplantation is a serious obstacle impacting on the outcome of cell therapy for cerebral infarction. This study was aimed to investigate whether modification of BMSCs with hypoxia-inducible factor 1α (Hif-1α) could enhance the survival of the implanted BMSCs. BMSCs were isolated from Wistar rats, and were infected with Hif-1α-GFP lentiviral vector or Hif-1α siRNA. The modified BMSCs were exposed to oxygen-glucose deprivation (OGD) condition, cellular viability and apoptosis were then assessed...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28423506/granulocyte-colony-stimulating-factor-enhances-the-therapeutic-efficacy-of-bone-marrow-mesenchymal-stem-cell-transplantation-in-rats-with-experimental-acute-pancreatitis
#4
Bo Qu, Yanjie Chu, Fang Zhu, Beibei Wang, Ting Liu, Bo Yu, Shizhu Jin
INTRODUCTION: Acute pancreatitis (AP) is one of the most common diseases involving necrotic inflammation. Bone marrow mesenchymal stem cells (BMMSCs) have the potential of multi-directional differentiation and self-renewal for tissue repair. It remains less clear if granulocyte colony-stimulating factor (G-CSF) can improve the therapeutic effect of BMMSC transplant in AP. Therefore, we explored this issue in a rat model of experimental AP. RESULTS: Transplanted PKH26-positive BMMSCs were present in the injured pancreatic tissue, with some cells co-expressed pancreatic cellular markers, including Pax-4, Ngn3 and Nkx-6...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423355/mesenchymal-stem-cells-release-exosomes-that-transfer-mirnas-to-endothelial-cells-and-promote-angiogenesis
#5
Min Gong, Bin Yu, Jingcai Wang, Yigang Wang, Min Liu, Christian Paul, Ronald W Millard, De-Sheng Xiao, Muhammad Ashraf, Meifeng Xu
Mesenchymal stem cells (MSCs) have been found to benefit patients with a variety of ischemic diseases via promoting angiogenesis. It is also well established that exosomes secreted from MSCs deliver bioactive molecules, including microRNAs (miRs) to recipient cells. Therefore, we hypothesized that exosomes secreted from MSCs deliver miRs into endothelial cells and mediate angiogenesis. The pro-angiogenic stimulatory capacity of exosomes was investigated using tube-like structure formation and spheroid-based sprouting of human umbilical vein endothelial cells (HUVECs), and in vivo Matrigel plug assay...
April 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421182/tgf-%C3%AE-1-pretreatment-improves-the-function-of-mesenchymal-stem-cells-in-the-wound-bed
#6
Deepraj Ghosh, Daniel J McGrail, Michelle R Dawson
The wound healing process initiates after injury to a tissue and involves a series of orchestrated events to minimize the invasion of foreign matters such as bacteria and efficiently regenerate the damaged tissue. A variety of cells must be recruited to the tissue during wound healing. However, this process is severely disrupted in patients suffering from chronic illness, including diabetes, leading to impaired healing or non-healing wounds. Current avenues of treatment include negative-pressure therapy, wound debridement, growth factor replacement, and cell-based therapies...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28420436/autophagy-mediates-the-beneficial-effect-of-hypoxic-preconditioning-on-bone-marrow-mesenchymal-stem-cells-for-the-therapy-of-myocardial-infarction
#7
Zheng Zhang, Chao Yang, Mingzhi Shen, Ming Yang, Zhitao Jin, Liping Ding, Wei Jiang, Junke Yang, Haixu Chen, Feng Cao, Taohong Hu
BACKGROUND: Stem cell therapy has emerged as a promising therapeutic strategy for myocardial infarction (MI). However, the poor viability of transplanted stem cells hampers their therapeutic efficacy. Hypoxic preconditioning (HPC) can effectively promote the survival of stem cells. The aim of this study was to investigate whether HPC improved the functional survival of bone marrow mesenchymal stem cells (BM-MSCs) and increased their cardiac protective effect. METHODS: BM-MSCs, isolated from Tg(Fluc-egfp) mice which constitutively express both firefly luciferase (Fluc) and enhanced green fluorescent protein (eGFP), were preconditioned with HPC (1% O2) for 12 h, 24 h, 36 h, and 48 h, respectively, followed by 24 h of hypoxia and serum deprivation (H/SD) injury...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28420433/umbilical-cord-derived-mesenchymal-stem-cells-on-scaffolds-facilitate-collagen-degradation-via-upregulation-of-mmp-9-in-rat-uterine-scars
#8
Lu Xu, Lijun Ding, Lei Wang, Yun Cao, Hui Zhu, Jingjie Lu, Xin'an Li, Tianran Song, Yali Hu, Jianwu Dai
BACKGROUND: Severe injuries of the uterus may trigger uterine scar formation, ultimately leading to infertility or obstetrical complications. To date, few methods have adequately solved the problem of collagen deposition in uterine scars. Umbilical cord-derived mesenchymal stem cells (UC-MSCs) have shown great promise in clinical applications. The objective of this study was to investigate the effect of a scaffold/UC-MSCs construct on collagen degradation and functional regeneration in rat uterine scars following full-thickness excision of uterine walls...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28420415/distribution-pattern-following-systemic-mesenchymal-stem-cell-injection-depends-on-the-age-of-the-recipient-and-neuronal-health
#9
Claire Fabian, Yahaira Naaldijk, Christiane Leovsky, Adiv A Johnson, Lukas Rudolph, Carsten Jaeger, Katrin Arnold, Alexandra Stolzing
BACKGROUND: Mesenchymal stem cells (MSCs) show therapeutic efficacy in many different age-related degenerative diseases, including Alzheimer's disease. Very little is currently known about whether or not aging impacts the transplantation efficiency of MSCs. METHODS: In this study, we investigated the distribution of intravenously transplanted syngeneic MSCs derived from young and aged mice into young, aged, and transgenic APP/PS1 Alzheimer's disease mice. MSCs from male donors were transplanted into female mice and their distribution pattern was monitored by PCR using Y-chromosome specific probes...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28415888/bioengineered-gold-nanoparticles-targeted-to-mesenchymal-cells-from-patients-with-bronchiolitis-obliterans-syndrome-does-not-rise-the-inflammatory-response-and-can-be-safely-inhaled-by-rodents
#10
Emanuela Cova, Simona Inghilleri, Laura Pandolfi, Monica Morosini, Sara Magni, Miriam Colombo, Davide Piloni, Chiara Finetti, Gabriele Ceccarelli, Laura Benedetti, Maria Gabriella Cusella, Manuela Agozzino, Fabio Corsi, Raffaele Allevi, Simona Mrakic-Sposta, Sarah Moretti, Simona De Gregori, Davide Prosperi, Federica Meloni
The use of gold nanoparticles as drug delivery system represents a promising issue for diseases without effective pharmacological treatment due to insufficient local drug accumulation and excessive systemic toxicity. Bronchiolitis obliterans syndrome (BOS) represents about 70% of cases of chronic lung allograft dysfunction, the main challenge to long term lung transplantation. It is believed that due to repeated insults to epithelial bronchiolar cells local inflammatory response creates a milieu that favours epithelial mesenchymal transition and activation of local mesenchymal cells leading to airway fibro-obliteration...
April 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28413492/immunogenicity-of-insulin-producing-cells-derived-from-human-umbilical-cord-mesenchymal-stem-cells
#11
Xiao-Fei Yang, Tao Chen, Li-Wei Ren, Lu Yang, Hui Qi, Fu-Rong Li
Mesenchymal stem cells (MSCs) have been considered as hypo-immunogenic and immunosuppressive. However, a thorough understanding of the immunological properties after MSC differentiation in vitro and in vivo has not been reached. We asked whether it would be immunogenic after differentiation or influenced by the immune microenvironment after transplantation. In different disease models, the immunological changes of MSCs after differentiation greatly varied, with contradicting results. In order to clarify this, we used a modified four-step induction method to induce human umbilical cord MSCs (hUCMSCs) to differentiate into insulin-producing cells (IPCs), and investigate the immunological changes after differentiation and immune reactions after transplantation into diabetic mice...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412246/absence-of-nucks-augments-paracrine-effects-of-mesenchymal-stem-cells-mediated-cardiac-protection
#12
Yuelin Zhang, Sinming Chiu, Xiaoting Liang, Yuet-Hung Chai, Yiming Qin, Junwen Wang, Xiang Li, Beiying Qiu, Vinay Tergaonkar, Hung-Fat Tse, Qizhou Lian
Bone marrow-derived mesenchymal stem cells (BM-MSCs) contribute to myocardial repair after myocardial infarction (MI) by secreting a panel of growth factors and cytokines. This study was to investigate the potential mechanisms of the nuclear casein kinase and cyclin-dependent kinase substrate 1 (NUCKS) in regulation of the profiles of BM-MSCs secretion and compare the therapeutic efficacy of NUCKS(-/-)- and wide type-BM-MSCs (WT-BM-MSCs) on MI. The secretion profiles between NUCKS(-/-)- and WT-BM-MSCs under hypoxia (1%O2) were analyzed...
April 12, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28409921/mesenchymal-stem-cell-seeded-regenerated-silk-fibroin-complex-matrices-for-liver-regeneration-in-an-animal-model-of-acute-liver-failure
#13
Lijuan Xu, Shufang Wang, Xiang Sui, Yu Wang, Yinan Su, Li Huang, Yunwei Zhang, Zheng Chen, Qianqian Chen, Haitao Du, Yaopeng Zhang, Li Yan
The main limitation of liver transplantation as a treatment for end-stage liver disease or acute liver failure is the scarcity of liver organ donors. To develop an alternative therapy for acute liver failure, mesenchymal stem cell (MSC)-seeded regenerated silk fibroin (RSF) matrices were evaluated in vitro and in vivo. Adipose-derived mesenchymal stem cells (ADSCs) and bone marrow-derived mesenchymal stem cells (BMSCs) were planted and grown on RSF scaffolds to form a scaffold complex. The RSF-MSC scaffold complex (the experimental group) and neat RSF scaffolds (the control group) were then placed onto the liver surface of mice induced by CCl4 and detected after 5, 7, 14, 28, and 60 days...
April 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28408732/glial-cell-line-derived-neurotrophic-factor-transfected-placenta-derived-versus-bone-marrow-derived-mesenchymal-cells-for-treating-spinal-cord-injury
#14
Yao Lu, Hui Gao, Man Zhang, Bing Chen, Huilin Yang
BACKGROUND Placenta-derived mesenchymal stem cells (PMSCs) were isolated from placenta and had differentiation and self-renewal potential. We transfected PMSCs with glial cell line-derived neurotrophic factor (GDNF) and compared their effect for repairing spinal cord injury (SCI) with that of GDNF-transfected bone marrow-derived mesenchymal stem cell (BMSC). MATERIAL AND METHODS The PMSCs were isolated from Sprague-Dawley rat placenta; BMSCs were isolated from Sprague-Dawley rat thigh bone marrow. Primary cultured BMSCs and PMSCs were uniformly spindle-shaped...
April 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28407826/-a-retrospective-analysis-of-6-children-with-duchenne-muscular-dystrophy
#15
Yu-Jie Yin, Yu-Ping Huang, Chao Lu, Xue-Ping Sun, Feng-Nan Niu, Rui Jin, Guo-Ping Zhou
OBJECTIVE: To analyze the clinical features of 6 children with Duchenne muscular dystrophy (DMD) and review related literature, and to provide a basis for early diagnosis and effective treatment of this disease. METHODS: A retrospective analysis was performed on the clinical data of 6 children with DMD who were admitted to the First Affiliated Hospital of Nanjing Medical University from January 2010 to October 2015. RESULTS: All the 6 cases were boys without a family history of DMD, and the age of diagnosis of DMD was 1...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28407680/transplantation-of-mesenchymal-stem-cells-reverses-behavioural-deficits-and-impaired-neurogenesis-caused-by-prenatal-exposure-to-valproic-acid
#16
Nikolai Gobshtis, Matanel Tfilin, Marina Wolfson, Vadim E Fraifeld, Gadi Turgeman
Neurodevelopmental impairment can affect lifelong brain functions such as cognitive and social behaviour, and may contribute to aging-related changes of these functions. In the present study, we hypothesized that bone marrow-derived mesenchymal stem cells (MSC) administration may repair neurodevelopmental behavioural deficits by modulating adult hippocampal neurogenesis. Indeed, postnatal intracerebral transplantation of MSC has restored cognitive and social behaviour in mice prenatally exposed to valproic acid (VPA)...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407626/exogenous-mirna-146a-enhances-the-therapeutic-efficacy-of-human-mesenchymal-stem-cells-by-increasing-vascular-endothelial-growth-factor-secretion-in-the-ischemia-reperfusion-injured-heart
#17
Hyang-Hee Seo, Se-Yeon Lee, Chang Youn Lee, Ran Kim, Pilseog Kim, Sekyung Oh, Hojin Lee, Min Young Lee, Jongmin Kim, Lark Kyun Kim, Ki-Chul Hwang, Woochul Chang
Adult stem cells have been studied as a promising therapeutic modality for the functional restoration of the damaged heart. In the present study, a strategy for enhancing the angiogenic efficacy of human mesenchymal stem cells (hMSCs) using micro-RNA was examined. We investigated whether micro-RNA-146a (miR-146a) influences the secretion of vascular endothelial growth factor (VEGF) and angiogenesis of MSCs. Our data indicated that miR-146a-transfected hMSCs (hMSCmiR-146a) decreased the expression of neurofibromin 2, an inhibitor of p21-activated kinase-1 (PAK1)...
April 14, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28407355/extracellular-vesicles-from-bone-marrow-derived-mesenchymal-stem-cells-protect-against-murine-hepatic-ischemia-reperfusion-injury
#18
Hiroaki Haga, Irene K Yan, David Borelli, Akiko Matsuda, Mansi Parasramka, Neha Shukla, David D Lee, Tushar Patel
Hepatic ischemia-reperfusion injury (IRI) and associated inflammation contributes to liver dysfunction and complications after liver surgery and transplantation. Mesenchymal stem cells (MSC) have been reported to reduce hepatic IRI because of their reparative immunomodulatory effects in injured tissues. Recent studies have highlighted beneficial effects of extracellular vesicles from MSCs (MSC-EV) on tissue injury. The effects of systemically administered mouse bone marrow derived MSC-EV were evaluated in an experimental murine model of hepatic IRI induced by cross clamping the hepatic artery and portal vein for 90 minutes followed by reperfusion for periods of upto 6 hours...
April 13, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28404587/cic-dux4-induces-small-round-cell-sarcomas-distinct-from-ewing-sarcoma
#19
Toyoki Yoshimoto, Miwa Tanaka, Mizuki Homme, Yukari Yamazaki, Yutaka Takazawa, Cristina R Antonescu, Takuro Nakamura
CIC-DUX4 sarcoma (CDS) or CIC-rearranged sarcoma is a  subcategory of small round cell sarcoma resembling the morphological phenotypes of Ewing sarcoma (ES). Hoever, recent clinicopathologic and molecular genetic analyses indicate that CDS is an independent disease entity from ES. Few ancillary markers have been used in the differential diagnosis of CDS, and additional CDS-specific biomarkers are needed for more definitive classification. Here we report the generation of an ex vivo mouse model for CDS by transducing embryonic mesenchymal cells (eMC) with human CIC-DUX4 cDNA...
April 12, 2017: Cancer Research
https://www.readbyqxmd.com/read/28403795/mesenchymal-stem-cell-derived-extracellular-vesicles-for-renal-repair
#20
Arash A Nargesi, Lilach O Lerman, Alfonso Eirin
Transplantation of autologous mesenchymal stem cells (MSCs) has been shown to attenuate renal injury and dysfunction in several animal models, and its efficacy is currently being tested in clinical trials for patients with renal disease. Accumulating evidence indicates that MSCs release extracellular vesicles (EVs) that deliver genes, microRNAs and proteins to recipient cells, acting as mediators of MSC paracrine actions. In this context, it is critical to characterize the MSC-derived EV cargo to elucidate their potential contribution to renal repair...
April 12, 2017: Current Gene Therapy
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