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bone marrow mesenchymal stem cell

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https://www.readbyqxmd.com/read/28214897/mir-125b-regulates-the-osteogenic-differentiation-of-human-mesenchymal-stem-cells-by-targeting-bmpr1b
#1
Huaqing Wang, Zhao Xie, Tianyong Hou, Zhiqiang Li, Ke Huang, Jicheng Gong, Wei Zhou, Kanglai Tang, Jianzhong Xu, Shiwu Dong
BACKGROUND/AIMS: Osteogenic differentiation of mesenchymal stem cells (MSCs) plays a crucial role in bone regeneration and bone reparation. This complex process is regulated precisely and firmly by specific factors. Recent studies have demonstrated that miR-125b regulates osteogenic differentiation, but little is known about the molecular mechanisms of this regulation. Furthermore, how miR-125b regulates the osteogenic differentiation of MSCs still needs elucidation. METHODS: In the present study, human bone marrow-derived mesenchymal stem cells (hBMSCs) were isolated and induced to osteoblasts with miR-125b inhibition or overexpression...
January 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214894/mechanical-loading-improves-tendon-bone-healing-in-a-rabbit-anterior-cruciate-ligament-reconstruction-model-by-promoting-proliferation-and-matrix-formation-of-mesenchymal-stem-cells-and-tendon-cells
#2
Fanglong Song, Dawei Jiang, Tianchen Wang, Yi Wang, Fengmei Chen, Guoxing Xu, Yifan Kang, Yinquan Zhang
BACKGROUND/AIMS: This study investigated the effect of mechanical stress on tendon-bone healing in a rabbit anterior cruciate ligament (ACL) reconstruction model as well as cell proliferation and matrix formation in co-culture of bone-marrow mesenchymal stem cells (BMSCs) and tendon cells (TCs). METHODS: The effect of continuous passive motion (CPM) therapy on tendon-bone healing in a rabbit ACL reconstruction model was evaluated by histological analysis, biomechanical testing and gene expressions at the tendon-bone interface...
February 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214835/up-regulation-of-tgf-%C3%AE-promotes-tendon-to-bone-healing-after-anterior-cruciate-ligament-reconstruction-using-bone-marrow-derived-mesenchymal-stem-cells-through-the-tgf-%C3%AE-mapk-signaling-pathway-in-a-new-zealand-white-rabbit-model
#3
Rui Wang, Bin Xu, Hong-Gang Xu
BACKGROUND/AIMS: This study aimed to explore the role of TGF-β in tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction using bone marrow-derived mesenchymal stem cells (BMSCs) through the TGF-β/MAPK signaling pathway in a New Zealand white rabbit model. METHODS: A total of 72 healthy male New Zealand white rabbits were selected for these experiments. Flow cytometry and immunofluorescence were used to detect the expression of BMSC surface markers, and qRT-PCR was performed to detect TGF-β mRNA expression...
January 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214625/curcumin-functionalized-silk-biomaterials-for-anti-aging-utility
#4
Lei Yang, Zhaozhu Zheng, Cheng Qian, Jianbing Wu, Yawen Liu, Shaozhe Guo, Gang Li, Meng Liu, Xiaoqin Wang, David L Kaplan
Curcumin is a natural antioxidant that is isolated from turmeric (Curcuma longa) and exhibits strong free radical scavenging activity, thus functional for anti-aging. However, poor stability and low solubility of curcumin in aqueous conditions limit its biomedical applications. Previous studies have shown that the anti-oxidation activity of curcumin embedded in silk fibroin films could be well preserved, resulting in the promoted adipogenesis from human mesenchymal stem cells (hMSCs) cultured on the surface of the films...
February 2, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28213973/transforming-growth-factor-%C3%AE-induces-bone-marrow-mesenchymal-stem-cell-migration-via-noncanonical-signals-and-n-cadherin
#5
Maria Jose Dubon, Jinyeong Yu, Sanghyuk Choi, Ki-Sook Park
Transforming growth factor-beta (TGF-β) induces the migration and mobilization of bone marrow-derived mesenchymal stem cells (BM-MSCs) to maintain bone homeostasis during bone remodeling and facilitate the repair of peripheral tissues. Although many studies have reported the mechanisms through which TGF-β mediates the migration of various types of cells, including cancer cells, the intrinsic cellular mechanisms underlying cellular migration and mobilization of BM-MSCs mediated by TGF-β are unclear. In this study, we showed that TGF-β activated noncanonical signaling molecules, such as Akt, extracellular signal-regulated kinase 1/2 (ERK1/2), focal adhesion kinase (FAK), and p38, via TGF-β type I receptor in human BM-MSCs and murine BM-MSC-like ST2 cells...
February 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28213967/extracellular-vesicles-from-bone-marrow-derived-mesenchymal-stem-cells-improve-survival-from-lethal-hepatic-failure-in-mice
#6
Hiroaki Haga, Irene K Yan, Kenji Takahashi, Akiko Matsuda, Tushar Patel
Stem cell-based therapies have potential for treatment of liver injury by contributing to regenerative responses, through functional tissue replacement or paracrine effects. The release of extracellular vesicles (EV) from cells has been implicated in intercellular communication, and may contribute to beneficial paracrine effects of stem cell-based therapies. Therapeutic effects of bone-marrow derived mesenchymal stem cells (MSC) and vesicles released by these cells were examined in a lethal murine model of hepatic failure induced by d-galactosamine/tumor necrosis factor-α (TNF-α)...
February 18, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28213588/a-differential-autophagy-dependent-response-to-dna-double-strand-brakes-in-bone-marrow-mesenchymal-stem-cells-from-sporadic-als-patients
#7
Shane Wald-Altman, Edward Pichinuk, Or Kakhlon, Miguel Weil
Amyotrophic Lateral Sclerosis (ALS) is an incurable motor neurodegenerative disease caused by a diversity of genetic and environmental factors leading to neuromuscular degeneration and pathophysiological implications in non-neural systems. Our previous work showed abnormal transcriptional expression levels of biomarker genes in non-neuronal cell samples from ALS patients. The same genes proved to be differentially expressed in brain, spinal cord and muscle of the SOD1(G93A) ALS mouse model. These observations support the pathophysiological relevance of the ALS biomarkers discovered in human mesenchymal stem cells (hMSC) isolated from bone marrow samples of ALS patients (ALS-hMSC)...
February 16, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28213098/gelatin-based-3d-conduits-for-transdifferentiation-of-mesenchymal-stem-cells-into-schwann-cell-like-phenotypes
#8
Metin Uz, Melda Buyukoz, Anup D Sharma, Donald S Sakaguchi, Sacide Alsoy Altinkaya, Surya K Mallapragada
: In this study, gelatin-based 3D conduits with three different microstructures (nanofibrous, macroporous and ladder-like) were fabricated for the first time via combined molding and thermally induced phase separation (TIPS) technique for peripheral nerve regeneration. The effects of conduit microstructure and mechanical properties on the transdifferentiation of bone marrow-derived mesenchymal stem cells (MSCs) into Schwann cell (SC) like phenotypes were examined to help facilitate neuroregeneration and understand material-cell interfaces...
February 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28211911/three-dimensional-printing-of-calcium-sulfate-and-mesoporous-bioactive-glass-scaffolds-for-improving-bone-regeneration-in-vitro-and-in-vivo
#9
Xin Qi, Peng Pei, Min Zhu, Xiaoyu Du, Chen Xin, Shichang Zhao, Xiaolin Li, Yufang Zhu
In the clinic, bone defects resulting from infections, trauma, surgical resection and genetic malformations remain a significant challenge. In the field of bone tissue engineering, three-dimensional (3D) scaffolds are promising for the treatment of bone defects. In this study, calcium sulfate hydrate (CSH)/mesoporous bioactive glass (MBG) scaffolds were successfully fabricated using a 3D printing technique, which had a regular and uniform square macroporous structure, high porosity and excellent apatite mineralization ability...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210629/cellular-mechanisms-of-liver-regeneration-and-cell-based-therapies-of-liver-diseases
#10
REVIEW
Irina V Kholodenko, Konstantin N Yarygin
The emerging field of regenerative medicine offers innovative methods of cell therapy and tissue/organ engineering as a novel approach to liver disease treatment. The ultimate scientific foundation of both cell therapy of liver diseases and liver tissue and organ engineering is delivered by the in-depth studies of the cellular and molecular mechanisms of liver regeneration. The cellular mechanisms of the homeostatic and injury-induced liver regeneration are unique. Restoration of the mass of liver parenchyma is achieved by compensatory hypertrophy and hyperplasia of the differentiated parenchymal cells, hepatocytes, while expansion and differentiation of the resident stem/progenitor cells play a minor or negligible role...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210098/mertk-gene-expression-and-photoreceptor-outer-segment-phagocytosis-by-cultured-rat-bone-marrow-mesenchymal-stem-cells
#11
Rong-Mei Peng, Jing Hong, Ying Jin, Yu-Zhao Sun, Yi-Qian Sun, Pei Zhang
BACKGROUND: Bone marrow mesenchymal stem cells (BM-MSCs) are multipotential stem cells that have been used for a broad spectrum of indications. Several investigations have used BM-MSCs to promote photoreceptor survival and suggested that BM-MSCs are a potential source of cell replacement therapy for some forms of retinal degeneration. PURPOSE: To investigate the expression of the MER proto-oncogene, tyrosine kinase (Mertk), involved in the disruption of RPE phagocytosis and the onset of autosomal recessive retinitis pigmentosa in rat BM-MSCs and to compare phagocytosis of the photoreceptor outer segment (POS) by BM-MSCs and RPE cells in vitro...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28209368/correlation-of-micro-vessel-density-and-c-myc-expression-in-breast-tumor-of-mice-following-mesenchymal-stem-cell-therapy
#12
Maryam Adelipour, Fatemeh Babaei, Mohammadreza Mirzababaei, Abdolamir Allameh
Stem cell therapy for degenerative diseases has been established; however there are controversies over the treatment of solid tumors with stem cell transplantation. In the present study, the anti-tumor action of mesenchymal stem cells (MSCs) has been examined in a mouse model of breast cancer with emphasize on tumor growth, angiogenesis and c-Myc expression in breast tumors. For this purpose, MSCs were isolated from bone marrow of Balb/c mice and characterized. A Balb/c mouse model of breast cancer was developed and subjected to cell therapy intra venous (I...
January 30, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28209182/mesenchymal-stem-cells-alleviate-japanese-encephalitis-virus-induced-neuroinflammation-and-mortality
#13
Peiyu Bian, Chuantao Ye, Xuyang Zheng, Jing Yang, Wei Ye, Yuan Wang, Yun Zhou, Hongwei Ma, Peijun Han, Hai Zhang, Ying Zhang, Fanglin Zhang, Yingfeng Lei, Zhansheng Jia
BACKGROUND: Japanese encephalitis virus (JEV) is the leading cause of viral encephalitis in Asia. Japanese encephalitis (JE) caused by JEV is characterized by extensive inflammatory cytokine secretion, microglia activation, blood-brain barrier (BBB) breakdown, and neuronal death, all of which contribute to the vicious cycle of inflammatory damage. There are currently no effective treatments for JE. Mesenchymal stem cells (MSCs) have been demonstrated to have a therapeutic effect on many central nervous system (CNS) diseases by regulating inflammation and other mechanisms...
February 16, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#14
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28206953/zinc-finger-protein-zfp36l1-promotes-osteoblastic-differentiation-but-represses-adipogenic-differentiation-of-mouse-multipotent-cells
#15
Kuo-Yun Tseng, Yi-Hsuan Chen, Shankung Lin
Zinc finger protein 36, C3H type-like 1 (ZFP36L1) is a member of the tristetraprolin (TTP) family and its role in the aging-related bone loss is currently unknown. We present evidence that ZFP36L1 expression in rat femurs and bone marrow mesenchymal stem cells (bmMSCs) was down-regulated with aging. ZFP36L1 knockdown decreased osteoblastic differentiation of MC3T3-E1 and C3H10T1/2 cells, and increased adipogenic differentiation of 3T3-L1 and C3H10T1/2 cells, whereas ZFP36L1 overexpression did the opposite. The finding that ZFP36L1 overexpression enhanced osteoblastic and repressed adipogenic differentiation was also corroborated by ex vivo experiments...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28206713/effect-of-heme-oxygenase-1-transduced-bone-marrow-mesenchymal-stem-cells-on-damaged-intestinal-epithelial-cells-in-vitro
#16
Yi Cao, Ben-Juan Wu, Wei-Ping Zheng, Ming-Li Yin, Tao Liu, Hong-Li Song
In this study we explored the effects of mesenchymal stem cells (MSCs) from bone marrow overexpressing heme oxygenase-1 (HO-1) on the damaged human intestinal epithelial barrier in vitro. Rat MSCs were isolated from bone marrow and transduced with rat HO-1 recombinant adenovirus (HO-MSCs) for stable expression of HO-1. Colorectal adenocarinoma 2 (Caco2) cells were treated with tumor necrosis factor-α (TNF-α) to establish a damaged colon epithelial model. Damaged Caco2 were cocultured with MSCs, Ad-MSCs, Ad-HO + MSCs or HO-MSCs mRNA and protein expression of Zona occludens-1 (ZO-1) and human HO-1, and the release of cytokines were measured...
February 16, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28205428/systemically-infused-mesenchymal-stem-cells-show-different-homing-profiles-in-healthy-and-tumor-mouse-models
#17
Chengying Xie, Zhangru Yang, Yuanzhen Suo, Qianqian Chen, Dan Wei, Xiaofu Weng, Zhengqin Gu, Xunbin Wei
Bone marrow-derived mesenchymal stem cells (MSCs) can localize in injured, inflamed, and cancerous tissues after systemic infusion. However, the dynamic homing profile of MSCs in the peripheral blood is not well characterized. Here, using in vivo flow cytometry to noninvasively monitor the dynamics of fluorescence-labeled cells, we found different clearance kinetics of systemically infused MSCs between healthy and tumor mouse models. The circulation times of MSCs in healthy mice and mice with subcutaneous tumors, orthotopically transplanted liver tumors, or metastatic lung tumors were 30, 24, 18, and 12 hours, respectively, suggesting that MSCs actively home to tumor environments...
February 16, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28205415/microfluidic-screening-reveals-heparan-sulfate-enhances-human-mesenchymal-stem-cell-growth-by-modulating-fibroblast-growth-factor-2-transport
#18
Drew M Titmarsh, Clarissa L L Tan, Nick R Glass, Victor Nurcombe, Justin J Cooper-White, Simon M Cool
Cost-effective expansion of human mesenchymal stem/stromal cells (hMSCs) remains a key challenge for their widespread clinical deployment. Fibroblast growth factor-2 (FGF-2) is a key hMSC mitogen often supplemented to increase hMSC growth rates. However, hMSCs also produce endogenous FGF-2, which critically interacts with cell surface heparan sulfate (HS). We assessed the interplay of FGF-2 with a heparan sulfate variant (HS8) engineered to bind FGF-2 and potentiate its activity. Bone marrow-derived hMSCs were screened in perfused microbioreactor arrays (MBAs), showing that HS8 (50 μg/ml) increased hMSC proliferation and cell number after 3 days, with an effect equivalent to FGF-2 (50 ng/ml)...
February 16, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28204811/isopsoralen-mediated-suppression-of-bone-marrow-adiposity-and-attenuation-of-the-adipogenic-commitment-of-bone-marrow-derived-mesenchymal-stem-cells
#19
Jian Wang, Sheng-Fa Li, Ting Wang, Chun-Han Sun, Liang Wang, Min-Jun Huang, Jian Chen, Shao-Wei Zheng, Nan Wang, Ying-Jun Zhang, Tian-Yu Chen
Osteoporosis (OP) increases the risk of bone fractures and other complications, and is thus a major clinical problem. In this study, we examined the effect of isopsoralen on the differentiation of bone-derived marrow mesenchymal stem cells (BMSCs) into osteoblasts and adipocytes, as well as bone formation under osteoporotic conditions. Primary femoral BMSCs isolated from C57BL/6 mice were used to evaluate the isopsoralen-mediated regulation of the expression of alkaline phosphatase (ALP), osteocalcin (OCN) and runt-related transcription factor 2 (RUNX2) during osteogenesis 2 weeks...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28201959/differentiation-potential-of-mesenchymal-stem-cells-derived-from-adipose-tissue-vs-bone-marrow-toward-annulus-fibrosus-cells-in-vitro
#20
Yifei Zhou, Xuqi Hu, Xuhao Zheng, Yaosen Wu, Naifeng Tian, Huazi Xu, Xiaolei Zhang
This study was to compare differentiation potential of bone marrow stem cells (BMSCs) and adipose-derived stem cells (ADSCs) from Sprague-Dawley rats towards annulus fibrosus (AF)-like cells. Using coculture plates with 0.4μm pore size polyethylene terephthalate (PET) track-etched inserts (Corning,USA), MSCs and AF cells were cocultured with direct cell-to-cell contact up till 21 days. We evaluated the AF markers expression at the histological level and molecular level. Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) results showed up regulation in AF marker gene expressions of both two MSCs after coculture...
February 13, 2017: Current Stem Cell Research & Therapy
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