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https://www.readbyqxmd.com/read/29782191/lipid-protein-and-microrna-composition-within-mesenchymal-stem-cell-derived-exosomes
#1
Hao Deng, Chun Sun, Yingxin Sun, Huhu Li, Lin Yang, Danbin Wu, Qing Gao, Xijuan Jiang
Mesenchymal stem cells (MSCs) were regarded as one of the most promising type of seed cells in tissue engineering due to its easy accessibility and multipotent feature of being able to differentiate into adipocyte, osteoblast, cardiomyocytes, and neurons. For years, MSCs have been applied in treating cardiovascular disease, reconstructing kidney injury, and remodeling immune system with remarkable achievements. Basic researches revealed that its clinic effects are not only due to their pluripotent ability but also through their paracrine function that they synthesize and secrete a broad spectrum of growth factors and cytokines...
May 21, 2018: Cellular Reprogramming
https://www.readbyqxmd.com/read/29767235/inhibition-of-microrna%C3%A2-16-protects-mesenchymal-stem-cells-against-apoptosis
#2
Jiang Rui, Shaohong Fang, Yongchen Wang, Bo Lv, Bo Yu, Shufeng Li
Bone marrow‑derived mesenchymal stem cells (BM‑MSCs) have been used in experimental research and clinical trials for heart function restoration and cardiomyocyte regeneration. However, due to a hostile microenvironment created by ischemia, hypoxia and pro‑inflammatory factors, the survival rate of implanted BM‑MSCs remains low. Therefore, strategies that can promote BM‑MSC survival and prevent apoptosis are required. Previous studies have reported that microRNA‑16 (miR‑16) can inhibit cell proliferation by targeting several proteins and signal pathway, not only by inducing apoptosis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29763918/comprehensive-effects-of-suppression-of-microrna-383-in-human-bone-marrow-derived-mesenchymal-stem-cells-on-treating-spinal-cord-injury
#3
Guo-Jun Wei, Ke-Wen Zheng, Gang An, Zuo-Wei Shi, Kai-Fu Wang, Ying Guan, Yan-Song Wang, Peng-Fei Li, Da-Ming Dong
BACKGROUND/AIMS: Transplantation of bone-marrow-derived mesenchymal stem cells (MSCs) promotes neural cell regeneration after spinal cord injury (SCI). Recently, we showed that suppression of microRNA-383 (miR-383) in MSCs increased the protein levels of glial cell line derived neurotrophic factor (GDNF), resulting in improved therapeutic effects on SCI. However, the overall effects of miR-383 suppression in MSCs on SCI therapy were not determined yet. Here, we addressed this question...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29693254/microrna-224-suppresses-osteoblast-differentiation-by-inhibiting-smad4
#4
Yuan Luo, Xiaodong Cao, Junfeng Chen, Jianwei Gu, Jitong Zhao, Junying Sun
Osteoblast differentiation was found to be regulated by a variety of cell signaling and intracellular regulatory factors. In this study, we aimed at investigating the regulatory effect of microRNA-224 on osteoblast differentiation and its molecular mechanism. Expression of miR-224 in the osteoblasts, adipose-derived mesenchymal stem cells (MSC-A), bone marrow-derived mesenchymal stem cells (MSC-B) and mbilical cord-derived mesenchymal stem cells (MSC-U) were detected using RT-PCR. Expression of miR-224 was lower in osteoblast than in the three mesenchymal stem cells and it revealed a decreasing time-dependent trend from 0 day to 28 days during osteoblast differentiation...
April 25, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29692195/exosomes-and-stem-cells-in-degenerative-disease-diagnosis-and-therapy
#5
Yu-Hsun Chang, Kung-Chi Wu, Horng-Jyh Harn, Shinn-Zong Lin, Dah-Ching Ding
Stroke can cause death and disability, resulting in a huge burden on society. Parkinson's disease (PD) is a chronic neurodegenerative disorder characterized by motor dysfunction. Osteoarthritis (OA) is a progressive degenerative joint disease characterized by cartilage destruction and osteophyte formation in the joints. Stem cell therapy may provide a biological treatment alternative to traditional pharmacological therapy. Mesenchymal stem cells (MSCs) are preferred because of their differentiation ability and possible derivation from many adult tissues...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29665933/-effect-of-mir-99a-5p-on-the-differential-ability-of-human-bone-marrow-mesenchymal-stem-cells
#6
Hui Xu, Jian Wang, Xu Ye, Jing Ming, Su-Jun Li, Xiang Wang, Cai-Xia He, Xing-Bing Wang
OBJECTIVE: To investigate the effect of microRNA-99a-5p (miR-99a-5p) on differentiation ability of human bone marrow mesenchymal stem cells (BM-MSC). METHODS: BM-MSC was cultured and then transfected with miR-99a-5p mimics or inhibitors. The transfection efficiency was detected by real-time quantitative PCR. The effects of miR-99a-5p on the adipogenic and osteogenic differentiation ability of BM-MSC were detected by differentiation experiment. RESULTS: As compared with the negative control group, the expression of miR-99a-5p was significantly up-regulated after transfection with miR-99a-5p mimics(P<0...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29643181/smooth-muscle-cells-differentiated-from-human-mesenchymal-stem-cells-regulated-by-microrna-mir-503-and-mir-222-5p-are-suitable-for-vascular-tissue-engineering
#7
Wenduo Gu, Xuechong Hong, Alexandra Le Bras, Witold N Nowak, Shirin Issa Bhaloo, Jiacheng Deng, Yao Xie, Yanhua Hu, Xiong Z Ruan, Qingbo Xu
Tissue-engineered vascular grafts with long-term patency are greatly needed in the clinical settings, and smooth muscle cells (SMCs) are a critical graft component. Human mesenchymal stem cells (MSCs) are used for generating SMCs and understanding the underlying regulatory mechanisms of the MSC-to-SMC differentiation process could improve SMC generation in the clinic. Here, we found that in response to stimulation of transforming growth factor-β 1 (TGFβ1), human umbilical cord-derived MSCs abundantly express the SMC markers α-smooth muscle actin (αSMA), smooth muscle protein 22 (SM22), calponin and smooth muscle myosin heavy chain (SMMHC) at both gene and protein levels...
April 11, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29590646/human-glioblastoma-derived-mesenchymal-stem-cell-to-pericytes-transition-and-angiogenic-capacity-in-glioblastoma-microenvironment
#8
Dongye Yi, Wei Xiang, Qing Zhang, Yongcun Cen, Qing Su, Fangcheng Zhang, Yinping Lu, Hongyang Zhao, Peng Fu
BACKGROUND/AIMS: Tumor vascular formation and maintenance are crucial events in glioblastoma development. Mesenchymal stem cells (MSCs) have been shown to differentiate into pericytes and contribute to neovascularization in the glioma microenvironment. Moreover, glioblastoma-derived mesenchymal stem cells (gb-MSCs), which consist of CD90-MSCs and CD90+MSCs, are a subpopulation of MSCs that are more active in glioma vascularization. However, the functions of gb-MSCs and the microRNA (miRNA) modifications in the glioblastoma microenvironment have not yet been fully elucidated...
March 22, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29578533/microrna-663-induces-immune-dysregulation-by-inhibiting-tgf-%C3%AE-1-production-in-bone-marrow-derived-mesenchymal-stem-cells-in-patients-with-systemic-lupus-erythematosus
#9
Linyu Geng, Xiaojun Tang, Kangxing Zhou, Dandan Wang, Shiying Wang, Genhong Yao, Weiwei Chen, Xiang Gao, Wanjun Chen, Songtao Shi, Nan Shen, Xuebing Feng, Lingyun Sun
Mesenchymal stem cells (MSCs) are critical for immune regulation. Although several microRNAs (miRNAs) have been shown to participate in autoimmune pathogenesis by affecting lymphocyte development and function, the roles of miRNAs in MSC dysfunction in autoimmune diseases remain unclear. Here, we show that patients with systemic lupus erythematosus (SLE) display a unique miRNA signature in bone marrow-derived MSCs (BMSCs) compared with normal controls, among which miR-663 is closely associated with SLE disease activity...
March 26, 2018: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/29565453/serum-microrna-139-5p-is-downregulated-in-lung-cancer-patients-with-lytic-bone-metastasis
#10
Song Xu, Fan Yang, Renwang Liu, Xiongfei Li, Haiyang Fan, Jinghao Liu, Sen Wei, Gang Chen, Jun Chen, Yurong Da
Bone remodeling can be interrupted by tumor cells which leads to an inappropriate balance of osteoblasts and osteoclasts. As the progenitors of osteoblasts, mesenchymal stem cells (MSCs) have been reported to exhibit an abnormal osteogenic differentiation potential in some cancer‑related bone lesions. However, the evidence is very limited in terms of the biological alterations of MSCs in the bone metastasis of non‑small cell lung cancers (NSCLC). We investigated the expression and function of miR‑139‑5p in MSC osteogenic differentiation in vitro in normal and NSCLC-exposed condition...
May 2018: Oncology Reports
https://www.readbyqxmd.com/read/29562785/extracellular-vesicles-derived-from-wharton-s-jelly-mesenchymal-stem-cells-prevent-and-resolve-programmed-cell-death-mediated-by-perinatal-hypoxia-ischemia-in-neuronal-cells
#11
Marianne S Joerger-Messerli, Byron Oppliger, Marialuigia Spinelli, Gierin Thomi, Ivana di Salvo, Philipp Schneider, Andreina Schoeberlein
Hypoxic-ischemic (HI) insult in the perinatal phase harbors a high risk of encephalopathy in the neonate. Brain cells undergo apoptosis, initiating neurodegeneration. So far, therapeutic approaches such as cooling remain limited. Transplantation of mesenchymal stem cells (MSCs) exhibits therapeutic success despite the short-time survival in the host brain, providing strong evidence that their beneficial effects are largely based on secreted factors, including extracellular vesicles (EVs). The aim of this study was to investigate the effects of human Wharton's jelly MSC (hWJ-MSC)-derived EVs on neuroprotection and neuroregeneration, using an in vitro model of oxygen-glucose deprivation/reoxygenation (OGD/R) mimicking HI injury in the mouse neuroblastoma cell line neuro2a (N2a)...
January 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29455449/role-of-exosomes-derived-from-mir-133b-modified-mscs-in-an-experimental-rat-model-of-intracerebral-hemorrhage
#12
Haitao Shen, Xiyang Yao, Haiying Li, Xiang Li, Tiejun Zhang, Qing Sun, Chengyuan Ji, Gang Chen
Intracerebral hemorrhage (ICH) has poor outcomes due to high mortality and morbidity, but until now, the effective treatments remain limited. MicroRNAs (miRNAs) are vital regulators of gene expression and demonstrated to be linked to the pathogenesis of various central nervous system (CNS) diseases. Exosomes are considered as cell-to-cell communication vectors and secreted largely by mesenchymal stromal cells (MSCs). The present study investigated the role of miR-133b delivered by exosomes secreted from MSCs to brain tissues in rats after ICH...
March 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29444515/comprehensive-mirna-analysis-of-human-umbilical-cord-derived-mesenchymal-stromal-cells-and-extracellular-vesicles
#13
Xiang-Yu Zou, Yongjiang Yu, Sihao Lin, Liang Zhong, Jie Sun, Guangyuan Zhang, Yingjian Zhu
BACKGROUND/AIMS: Mesenchymal stromal cells (MSCs) participate in the tissue-specific repair of many different organs, especially the kidney. Their effects are primarily mediated by the paracrine release of factors including extracellular vesicles (EVs), which are composed of micro-vesicles and exosomes. The corresponding microRNAs (miRNAs) of EVs are considered important for their biological functions. METHODS: MSCs were cultured from the human umbilical cord, and EVs were isolated from the medium...
2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29444183/nanoparticle-antagomir-based-targeting-of-mir-31-to-induce-osterix-and-osteocalcin-expression-in-mesenchymal-stem-cells
#14
Mark McCully, João Conde, Pedro V Baptista, Margaret Mullin, Matthew J Dalby, Catherine C Berry
Mesenchymal stem cells are multipotent adult stem cells capable of generating bone, cartilage and fat, and are thus currently being exploited for regenerative medicine. When considering osteogenesis, developments have been made with regards to chemical induction (e.g. differentiation media) and physical induction (e.g. material stiffness, nanotopography), targeting established early transcription factors or regulators such as runx2 or bone morphogenic proteins and promoting increased numbers of cells committing to osteo-specific differentiation...
2018: PloS One
https://www.readbyqxmd.com/read/29442256/plasma-micrornas-levels-are-different-between-pulmonary-and-extrapulmonary-ards-patients-a-clinical-observational-study
#15
Yi Zheng, Song-Qiao Liu, Qin Sun, Jian-Feng Xie, Jing-Yuan Xu, Qing Li, Chun Pan, Ling Liu, Ying-Zi Huang
BACKGROUND: Mesenchymal stem cells (MSC) obviously alleviate the damage of the structure and function of pulmonary vascular endothelial cells (VEC). The therapeutic effects of MSC are significantly different between pulmonary ARDS (ARDSp) and extrapulmonary ARDS (ARDSexp). MicroRNAs (miRNAs), as important media of MSC regulating VEC, are not studied between ARDSp and ARDSexp. We aimed to explore the plasma levels difference of miRNAs that regulate VEC function and are associated with MSC (MSC-VEC-miRNAs) between ARDSp and ARDSexp patients...
February 13, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29439651/serum-and-blood-based-biomarkers-for-lung-cancer-screening-a-systematic-review
#16
Gavin C W Chu, Kim Lazare, Frank Sullivan
BACKGROUND: Lung cancer is the second most common cancer and the leading cause of cancer death for both men and women. Although low-dose CT (LDCT) is recommended for lung cancer screening in high-risk populations and may decrease lung cancer mortality, there is a need to improve the accuracy of lung cancer screening to decrease over-diagnosis and morbidity. Blood and serum-based biomarkers, including EarlyCDT-lung and microRNA based biomarkers, are promising adjuncts to LDCT in lung cancer screening...
February 13, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29434773/human-adipose-derived-mesenchymal-stem-cell-conditioned-media-suppresses-inflammatory-bone-loss-in-a-lipopolysaccharide-induced-murine-model
#17
Yu Li, Xin Gao, Jinbing Wang
Conditioned media (CM) from mesenchymal stem cells (MSCs) contains various cytokines, growth factors and microRNAs, which may serve important roles in modulating the inflammatory process. However, the effect of MSC-CM on inflammatory bone loss remains unknown. The present study investigated the effects of conditioned media from human adipose-derived mesenchymal stem cells (AMSC-CM) on the prevention of lipopolysaccharide (LPS)-mediated bone loss in mice. To investigate the underlying mechanisms of this effect, the effects of AMSC-CM on serum levels of inflammation-associated cytokines [tumor necrosis factor (TNF)-α, interleukin (IL)-1, IL-6 and IL-10] in LPS-treated mice, in addition to their mRNA expression in LPS-treated macrophages, was investigated...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29434006/msc-exosome-a-novel-cell-free-therapy-for-cutaneous-regeneration
#18
REVIEW
Peipei Wu, Bin Zhang, Hui Shi, Hui Qian, Wenrong Xu
Cutaneous regeneration is a dynamic and complex process that requires a series of coordinated interactions involving epidermal cells, dermal cells, growth factors, the extracellular matrix (ECM), nerves and blood vessels at a damaged site. Mesenchymal stromal cells (MSCs) have been reported to participate in all afore-mentioned stages. Exosomes are one of the key secretory products of MSCs, resembling the effect of parental MSCs. They can shuttle various proteins, messenger RNA (mRNA) and microRNAs (miRNAs) to modulate the activity of recipient cells, and play important roles in cutaneous wound healing...
March 2018: Cytotherapy
https://www.readbyqxmd.com/read/29397853/-microrna-3963-promotes-adipogenic-differentiation-of-mouse-derived-mesenchymal-stem-cells
#19
Wei-Jiang Liu, Xue Li, Yuan-Lin Liu, Peng Wang, Yue Fan, Tian-Yi Teng, Bo-Qian Bai, Yue Tong, Wei Zhang, Yi Zhang
OBJECTIVE: To investigate the effect of MicroRNA-3963(miR-3963) on the adipogenic differentiation of mouse bone-derived mesenchymal stem cells(MSC). METHODS: MSCs were isolated from C57BL/6 mice bone fragment and transfected with miR-3963 mimic, miR-3963 inhibitor and negative control. The expression of miR-3963 and transfection efficiency were detected by q-PCR. These transfected cells were induced to adipocytes and stained with oil red O after 14 days culture...
February 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29367765/employing-mesenchymal-stem-cells-to-support-tumor-targeted-delivery-of-extracellular-vesicle-ev-encapsulated-microrna-379
#20
K P O'Brien, S Khan, K E Gilligan, H Zafar, P Lalor, C Glynn, C O'Flatharta, H Ingoldsby, P Dockery, A De Bhulbh, J R Schweber, K St John, M Leahy, J M Murphy, W M Gallagher, T O'Brien, M J Kerin, R M Dwyer
Adult Mesenchymal Stem Cells (MSCs) have a well-established tumor-homing capacity, highlighting potential as tumor-targeted delivery vehicles. MSCs secrete extracellular vesicle (EV)-encapsulated microRNAs, which play a role in intercellular communication. The aim of this study was to characterize a potential tumor suppressor microRNA, miR-379, and engineer MSCs to secrete EVs enriched with miR-379 for in vivo therapy of breast cancer. miR-379 expression was significantly reduced in lymph node metastases compared to primary tumor tissue from the same patients...
January 25, 2018: Oncogene
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