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https://www.readbyqxmd.com/read/28732434/effects-of-intraperitoneal-injection-of-allogeneic-bone-marrow-derived-mesenchymal-stem-cells-on-bronchiolitis-obliterans-in-mice-model
#1
Sakine Işık, Nevin Uzuner, Meral Karaman, Özkan Karaman, Müge Kıray, İlknur Kozanoğlu, Hüsnü Alper Bağrıyanık, Zeynep Arıkan-Ayyıldız, Melis Kartal Yandım, Yusuf Baran
Bone marrow-derived mesenchymal stem cells (BMSCs) can ameliorate a variety of lung diseases such as asthma, lung fibrosis, and acute lung injury by its anti-inflammatory and immunmodulatory effects. In this study, we developed a mouse model of bronchiolitis obliterans (BO) and evaluated the effects of the intraperitoneal administration of BMSCs on lung histopathology and cytokine levels. 25 BALB/c mice were divided into four groups; control group (Group I), BO developed and 1x106 BMSCs-injected group (Group II), non-BO, 1x106 BMSCs-injected group (Group III), and BO developed and saline-injected group (Group IV)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28731632/macrophages-of-different-phenotypes-influence-the-migration-of-bmscs-in-plga-scaffolds-with-different-pore-size
#2
Yuankun Dai, Xuguang Li, Ruihan Wu, Ying Jin, Changyou Gao
Immune modulation of the scaffolds not only reduces the host immunological rejection response, but also improves the regenerative cell migration into the scaffolds. Herein a convenient immune modulation of poly(lactide-co-glycolide) (PLGA) scaffold was applied with macrophages of different phenotypes to evaluate its influence on the migration behavior of bone marrow mesenchymal stem cells (BMSCs). With pro-inflammatory macrophages (M1) pre-loading, BMSCs migrated significantly faster into the PLGA scaffold, compared with those in the control scaffold or pre-seeded with inactivated macrophages (M0)...
July 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28731172/comparison-of-the-neuronal-differentiation-abilities-of-bone-marrow%C3%A2-derived-and-adipose-tissue%C3%A2-derived-mesenchymal-stem-cells
#3
Yani Zheng, Chao Huang, Fang Liu, Haiyan Lin, Xiangqun Yang, Zhiying Zhang
Bone marrow‑derived mesenchymal stem cells (BMSCs) and adipose tissue‑derived mesenchymal stem cells (ADSCs) are able to differentiate into neuron‑like cells when exposed to small molecule compounds, however the specific differences in their neuronal differentiation abilities remain to be fully elucidated. The present study aimed to compare the neuronal differentiation abilities of BMSCs and ADSCs. BMSCs and ADSCs from the same Sprague Dawley rats were isolated and cultured for use. The proliferation capacity was revealed using a cell counting method...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28727234/kynurenine-a-tryptophan-metabolite-that-accumulates-with-age-induces-bone-loss
#4
Mona El Refaey, Meghan E McGee-Lawrence, Sadanand Fulzele, Eileen J Kennedy, Wendy B Bollag, Mohammed Elsalanty, Qing Zhong, Ke-Hong Ding, Nathaniel G Bendzunas, Xing-Ming Shi, Jianrui Xu, William D Hill, Maribeth H Johnson, Monte Hunter, Jessica L Pierce, Kanglun Yu, Mark W Hamrick, Carlos M Isales
Age-dependent bone loss occurs in humans and in several animal species, including rodents. The underlying causal mechanisms are probably multifactorial, although an age-associated increase in the generation of reactive oxygen species has been frequently implicated. We previously reported that aromatic amino acids function as antioxidants and are anabolic for bone and that they may potentially play a protective role in an aging environment. We hypothesized that upon oxidation the aromatic amino acids would not only lose their anabolic effects but also potentially become a catabolic byproduct...
July 20, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28726579/the-immunomodulatory-role-of-bmp-2-on-macrophages-to-accelerate-osteogenesis
#5
Fei Wei, Yinghong Zhou, Jing Wang, Changsheng Liu, Yin Xiao
Bone morphogenetic protein-2 (BMP-2) is one of the most frequently used osteogenic factors for osteogenesis. Macrophages, acting as both immune cells and osteoclast precursors, have an indispensable functional input during multiple stages of bone healing. This study aims to investigate the immunoregulatory role of BMP-2 on macrophages and the subsequent effects on osteogenesis. In the subcutaneous implantation study, gelatin sponge incorporated with 20 μg/mL BMP-2 rendered significantly enhanced macrophage infiltration compared to the gelatin sponge control...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28718749/glycinol-enhances-osteogenic-differentiation-and-attenuates-the-effects-of-age-on-mesenchymal-stem-cells
#6
Amy L Strong, Robert B Jones, Julie Glowacki, Stephen M Boue, Matthew E Burow, Bruce A Bunnell
AIM: Phytoestrogens, such as glycinol, have recently gained significant attention as an alternative therapy for osteoporosis due to their structural similarity to estradiol and their bone-generating potential. METHODS: The osteogenic effects of glycinol were investigated in human bone marrow mesenchymal stem cells (BMSCs) derived from older (>50 years old) and younger subjects (<25 years old). RESULTS: BMSCs isolated from older donors demonstrated reduced osteogenesis...
July 18, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28717129/3d-printed-scaffolds-of-calcium-silicate-doped-%C3%AE-tcp-synergize-with-co-cultured-endothelial-and-stromal-cells-to-promote-vascularization-and-bone-formation
#7
Yuan Deng, Chuan Jiang, Cuidi Li, Tao Li, Mingzheng Peng, Jinwu Wang, Kerong Dai
Synthetic bone scaffolds have potential application in repairing large bone defects, however, inefficient vascularization after implantation remains the major issue of graft failure. Herein, porous β-tricalcium phosphate (β-TCP) scaffolds with calcium silicate (CS) were 3D printed, and pre-seeded with co-cultured human umbilical cord vein endothelial cells (HUVECs) and human bone marrow stromal cells (hBMSCs) to construct tissue engineering scaffolds with accelerated vascularization and better bone formation...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28714177/curved-microstructures-promote-osteogenesis-of-mesenchymal-stem-cells-via-the-rhoa-rock-pathway
#8
Qi Zhang, Shiyu Lin, Tao Zhang, Taoran Tian, Quanquan Ma, Xueping Xie, Changyue Xue, Yunfeng Lin, Bofeng Zhu, Xiaoxiao Cai
OBJECTIVES: Cells in the osteon reside in a curved space, accordingly, the curvature of the microenvironment is an important geometric feature in bone formation. However, it is not clear how curved microstructures affect cellular behaviour in bone tissue. MATERIALS AND METHODS: Rat primary bone marrow mesenchymal stem cells (BMSCs) on wavy microgrooves were exposed to PDMS substrates with various curvatures to investigate alterations in cellular morphology and osteogenic differentiation...
August 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28713741/reconstruction-of-drug-induced-cleft-palate-using-bone-marrow-mesenchymal-stem-cell-in-rodents
#9
Julie Christy Amalraj, Manasa Gangothri, Hari Babu
BACKGROUND: Triamcinolone acetonide (TAC) (Kenacort*) is a commonly used synthetic glucocorticoid in today's medical practice. The drug is also a potential agent in inducing cleft palates in rats. This drug has been used to induce cleft palate in the fetus of the pregnant rats to bring out a suitable animal model for human cleft lip and palate. The drug was given intraperitoneally to induce congenital cleft palate in pregnant mother rats. AIM: The aim of this study is to induce congenital cleft palate in pregnant Wister albino rats and reconstruct the defect with bone marrow mesenchymal stem cells (BMSCs) isolated from the same species along with PLGA (poly lactic co glycolic acid) scaffold...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713710/the-healing-effect-of-conditioned-media-and-bone-marrow-derived-stem-cells-in-laryngotracheal-stenosis-a-comparison-in-experimental-dog-model
#10
Kamyar Iravani, Arash Sobhanmanesh, Mohammad Javad Ashraf, Seyed Basir Hashemi, Davood Mehrabani, Shahrokh Zare
BACKGROUND: Differences in causes, severities, areas of stenosis, and the association with swallowing and phonation of larynx and trachea can result into Laryngotracheal stenosis (LTS).This study evaluated the healing effect of bone marrow stem cells (BMSCs) in experimentally induced LTS dog model. METHODS: Seven dogs were enrolled. BMSCs were isolated from proximal humerus and shoulder of a dog and cultured in media containing alpha minimal essential medium, fetal bovine serum, penicillin and streptomycin, and L-glutamine...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28706151/osteoblast-oriented-differentiation-of-bmscs-by-co-culturing-with-composite-scaffolds-constructed-using-silicon-substituted-calcium-phosphate-autogenous-fine-particulate-bone-powder-and-alginate-in-vitro
#11
Ye Tian, Li-Huang Cui, Shou-Yang Xiang, Wen-Xiao Xu, De-Chun Chen, Rui Fu, Chang-Long Zhou, Xiao-Qi Liu, Yu-Fu Wang, Xin-Tao Wang
Autogenous bone graft is the best for spinal fusion in clinics, however, lacking sources, bleeding and infection are limited its practice. Seeking alternative materials are urgent for orthopaedic surgeon. Here, we evaluated osteoblast-oriented differentiation of rabbit BMSCs by co-culturing with composite scaffolds constructed using silicon-substituted-CaP-fine particulate bone powder-alginate. Using CCk8-kit, biocompatibility was evaluated by testing BMSCs proliferation; morphology and survival of osteoblasts within scaffolds were observed using EM and HE staining; growth factors and related genes were detected using RT-PCR...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28702437/treadmill-exercise-with-bone-marrow-stromal-cells-transplantation-potentiates-recovery-of-locomotor-function-after-spinal-cord-injury-in-rats
#12
You-Mi Kim, Tae-Beom Seo, Chang-Ju Kim, Eun-Sang Ji
Transplantation of bone marrow stromal cells (BMSCs) is regarded as a promising candidate for the spinal cord injury (SCI). In the present study, we investigated whether treadmill exercise potentiate the effect of BM-SCs transplantation on the functional recovery in the SCI rats. The spinal cord contusion injury applied at the T9-T10 level using the impactor. Cultured BMSCs were transplanted into the lesion at 1 week after SCI induction. Treadmill exercise was conducted for 6 weeks. Basso-Beattie-Bresnahan (BBB) scale for locomotor function was determined...
June 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28701922/bone-marrow-mesenchymal-stem-cell-transplantation-promotes-functional-improvement-associated-with-cntf-stat3-activation-after-hemi-sectioned-spinal-cord-injury-in-tree-shrews
#13
Liu-Lin Xiong, Fei Liu, Bing-Tuan Lu, Wen-Ling Zhao, Xiu-Juan Dong, Jia Liu, Rong-Ping Zhang, Piao Zhang, Ting-Hua Wang
Hemi-sectioned spinal cord injury (hSCI) can lead to spastic paralysis on the injured side, as well as flaccid paralysis on the contralateral side, which can negatively affect a patient's daily life. Stem-cell therapy may offer an effective treatment option for individuals with hSCI. To examine the role of bone marrow mesenchymal stem cells (BMSCs) transplantation on hSCI and explore related mechanisms in the tree shrews, here, we created a model of hSCI by inducing injury at the tenth thoracic vertebra (T10)...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28698566/evaluation-of-osteogenesis-and-angiogenesis-of-icariin-in-local-controlled-release-and-systemic-delivery-for-calvarial-defect-in-ovariectomized-rats
#14
Yuqiong Wu, LingYan Cao, Lunguo Xia, Qianju Wu, Jie Wang, Xiao Wang, Lianyi Xu, Yuning Zhou, Yuanjin Xu, Xinquan Jiang
Typically, bone regenerative medicine is applied to repair bone defects in patients with osteoporosis. Meanwhile, there is an urgent need to develop safe and cheap drugs that induce bone formation. Icariin, which is reported to promote the osteogenesis of stem cells in vitro, is the main active component of Herba Epimedii. However, whether icariin could repair bone defects caused by osteoporosis remains unknown. In this study, an osteoporosis model in rats was established by an ovariectomy first, and then, the osteogenic and angiogenic differentiation of bone mesenchymal stem cells (BMSCs) treated with icariin was evaluated...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697500/cx43-and-smad-mediated-tgf-%C3%AE-bmp-signaling-pathway-promotes-cartilage-differentiation-of-bone-marrow-mesenchymal-stem-cells-and-inhibits-osteoblast-differentiation
#15
Ya-Dong Zhang, Shi-Chang Zhao, Zhong-Sheng Zhu, Yi-Fei Wang, Jian-Xiang Liu, Zhi-Cai Zhang, Feng Xue
BACKGROUND/AIMS: The aim of this study was to investigate the influence of Cx43- and Smad-mediated TGF-β/BMP signaling pathway on the differentiation of bone marrow mesenchymal stem cells (BMSCs) into cartilage and inhibition of ossification. METHODS: BMSCs of Wistar rats were cultured and assigned into 5 groups for transfection with adenoviruses. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were employed to detect mRNA and protein expressions of target genes...
July 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28679425/overexpression-of-c-met-in-bone-marrow-mesenchymal-stem-cells-improves-their-effectiveness-in-homing-and-repair-of-acute-liver-failure
#16
Kun Wang, Yuwen Li, Tiantian Zhu, Yongting Zhang, Wenting Li, Wenyu Lin, Jun Li, Chuanlong Zhu
BACKGROUND: Transplantation of bone marrow-derived mesenchymal stem cells (BMSCs) has emerged as a novel therapy for acute liver failure (ALF). However, the homing efficiency of BMSCs to the injured liver sites appears to be poor. In this study, we aimed to determine if overexpression of c-Met in BMSCs could promote the homing ability of BMSCs to rat livers affected by ALF. METHODS: Overexpression of c-Met in BMSCs (c-Met-BMSCs) was attained by transfection of naive BMSCs with the lenti-c-Met-GFP...
July 5, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28677805/designer-d-form-self-assembling-peptide-scaffolds-promote-the-proliferation-and-migration-of-rat-bone-marrow-derived-mesenchymal-stem-cells
#17
Shuo Chen, Ao Zhou, Bin He, Weikang Zhao, Xiaojun Chen, Dianming Jiang
Self-assembling peptide (SAP) nanofiber hydrogel scaffolds have become increasingly important in tissue engineering due to their outstanding bioactivity and biodegradability. However, there is an initial concern on their long-term clinical use, since SAPs made of L-form amino acid sequences are sensitive to enzymatic degradation. In this study, we present a designer SAP, D-RADA16, made of all D-amino acid. We investigated the nanofiber morphology of D-RADA16, its potential for the culture of bone marrow-derived mesenchymal stem cells (BMSCs), and the proteolytic resistance of the biomaterial...
July 5, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28676262/adaptive-response-in-mouse-bone-marrow-stromal-cells-exposed-to-900mhz-radiofrequency-fields-impact-of-poly-adp-ribose-polymerase-parp
#18
Qina He, Lin Zong, Yulong Sun, Vijayalaxmi, Thomas J Prihoda, Jian Tong, Yi Cao
This study examined whether non-ionizing radiofrequency fields (RF) exposure is capable of inducing poly (ADP-ribose) polymerase-1 (PARP-1) in bone marrow stromal cells (BMSCs) and whether it plays a role in RF-induced adaptive response (AR). Bone marrow stromal cells (BMSCs) were exposed to 900MHz RF at 120μW/cm(2) power flux density for 3h/day for 5days and then challenged with a genotoxic dose of 1.5Gy gamma-radiation (GR). Some cells were also treated with 3-aminobenzamide (3-AB, 2mM final concentration), a potent inhibitor of PARP-1...
August 2017: Mutation Research
https://www.readbyqxmd.com/read/28675022/-tumor-necrosis-factor-%C3%AE-regulates-the-osteogenic-differentiation-of-bone-marrow-mesenchymal-stem-cells-in-chronic-periodontitis
#19
Li Xiaoguang, Wang Yizhu, Guo Bin
Bone marrow mesenchymal stem cells (BMSCs) and ideal adult stem cells for alveolar bone regeneration considerably help restore the structure and function of the periodontium and promote the healing of periodontal disease. Thus, BMSC features, especially the mechanism of osteogenic differentiation, has recently become a research hotspot. Tumor necrosis factor-α (TNF-α), which is the main factor in the periodontal inflammatory microenvironment, is directly related to the osteogenic differentiation of BMSCs...
June 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28672913/amniotic-membrane-derived-stem-cells-help-repair-osteochondral-defect-in-a-weight-bearing-area-in-rabbits
#20
Zhijin Zhang, Linru Zeng, Jun Yang, Lin Guo, Qiao Hou, Fangbing Zhu
Our study evaluated the use of amniotic membrane-derived stem cells for repairing osteochondral defects in a weight-bearing area in rabbits. Twenty-four 3-month-old male or female New Zealand white rabbits were selected. The rabbits were randomly divided into 3 groups of eight, according to the treatment received for an experimentally inflicted femoral medial malleolus lesion, group I received a human acellular amniotic membrane seeded with bone marrow-derived mesenchymal stem cells (HAAM-BMSCs) implant; group II received a simple HAAM implant and the control group received no experimental lesion or treatment...
July 2017: Experimental and Therapeutic Medicine
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