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https://www.readbyqxmd.com/read/28447748/tenascin-c-expression-and-its-associated-pathway-in-bmscs-following-co-culture-with-mechanically-stretched-ligament-fibroblasts
#1
Bing Zhao, Mengcai Hu, Huiyan Wu, Chenchen Ren, Jianshe Wang, Shihong Cui
The occurrence of pelvic organ prolapse (POP) is closely associated with alterations in the extracellular matrix proteins of the supporting ligament. Bone marrow mesenchymal stem cells (BMSCs) have the potential to differentiate into a variety of cell types, including osteoblasts, chondroblasts and adipocytes. Therefore, BMSCs have the potential to improve the clinical outcomes of POP. Tenascin‑C is a large glycoprotein that is present in the ECM and is involved in morphogenetic movements, and tissue patterning and repair...
March 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447618/manufacturing-differences-affect-human-bone-marrow-stromal-cell-characteristics-and-function-comparison-of-production-methods-and-products-from-multiple-centers
#2
Shutong Liu, Luis F de Castro, Ping Jin, Sara Civini, Jiaqiang Ren, Jo-Anna Reems, Jose Cancelas, Ramesh Nayak, Georgina Shaw, Timothy O'Brien, David H McKenna, Myriam Armant, Leslie Silberstein, Adrian P Gee, Derek J Hei, Peiman Hematti, Sergei A Kuznetsov, Pamela G Robey, David F Stroncek
Human bone marrow stromal cells (BMSCs, also known as bone marrow-derived mesenchymal stem cells) are manufactured using many different methods, but little is known about the spectrum of manufacturing methods used and their effects on BMSC characteristics and function. Seven centers using, and one developing, Good Manufacturing Practices (GMP) processes were surveyed as to their production methods. Among the seven centers, all used marrow aspirates as the starting material, but no two centers used the same manufacturing methods...
April 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440742/leptin-overexpression-in-bone-marrow-stromal-cells-promotes-periodontal-regeneration-in-a-rat-model-of-osteoporosis
#3
Baoyu Zheng, Jun Jiang, Yuling Chen, Minkui Lin, Zhibin Du, Yin Xiao, Kai Luo, Fuhua Yan
BACKGROUND: Osteoporosis (OP) is associated with widespread periodontitis and impaired periodontal healing. However, there is a lack of information about the outcomes of regenerative approaches under the influence of OP. This study investigated the effect of leptin (LEP) overexpression on the regenerative potential of bone marrow stromal cells (BMSCs) in an osteoporotic rat periodontal fenestration defect model. METHODS: Rat BMSCs were transfected with adenoviruses harboring the human (h) LEP gene...
April 25, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28433514/cox-2-inhibition-potentiates-mouse-bone-marrow-stem-cell-engraftment-and-differentiation-mediated-wound-repair
#4
Ramasatyaveni Geesala, Neha R Dhoke, Amitava Das
BACKGROUND: Engraftment of transplanted stem cells is often limited by cytokine and noncytokine proinflammatory mediators at the injury site. We examined the role of Cyclooxygenase-2 (Cox-2)-induced cytokine-mediated inflammation on engraftment of transplanted bone marrow stem cells (BMSCs) at the wound site. METHODS: BMSCs isolated from male C57/BL6J mice were transplanted onto excisional splinting wounds in syngenic females in presence or absence of celecoxib, Cox-2 specific inhibitor (50 mg/kg, body weight [b wt]), to evaluate engraftment and wound closure...
April 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28420460/-bone-marrow-mesenchymal-stem-cells-modulated-the-inflammatory-response-by-regulating-the-expression-of-il-4-and-rage-products-in-the-rats-with-mods
#5
Xia Zhou, Guanghui Xiu, Yichao Zhu, Xiaolei Chen, Wei Xiong, Xinghua Pan, Jie Sun, Bin Ling
OBJECTIVE: To investigate the underlying mechanism of bone marrow mesenchymal stem cells (BMSC) modulating the inflammatory response during the multiple organ dysfunction syndrome (MODS), especially the expression of inflammatory cytokines, which will provide new theoretical and experimental basis of MODS in clinic. METHODS: BMSC of Sprague-Dawley (SD) rat (female, 4 weeks) was extracted and cultivated, and the 4th passage were used in experimental study. According to the random number table, 60 female SD rats were divided into three groups (n = 20 per group): sham group, MODS group, BMSC group...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28418864/bone-marrow-derived-mesenchymal-stem-cells-overexpressing-mir-21-efficiently-repair-myocardial-damage-in-rats
#6
Yan-Ling Zeng, Hao Zheng, Qiu-Ru Chen, Xiao-Hong Yuan, Jin-Hua Ren, Xiao-Feng Luo, Ping Chen, Zhe-Yao Lin, Shao-Zhen Chen, Xue-Qiong Wu, Min Xiao, Yong-Quan Chen, Zhi-Zhe Chen, Jian-Da Hu, Ting Yang
OBJECTIVE: We investigated the ability of bone marrow derived mesenchymal stem cells (BMSCs) overexpressing microRNA-21 (miR-21) to repair cardiac damage induced by anthracyclines in rats. METHODS: Sprague-Dawley (SD) rats of 2~3 weeks old were selected to isolate and culture BMSCs. A lentivirus harboring pLVX-miR-21 was generated and transfected into rat BMSCs. The rats were assigned into an untreated negative control group, and groups injected with adriamycin alone or with adriamycin followed by BMSCs, pLVX-BMSCs or pLVX-miR-21-BMSCs (n = 10 each)...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415701/wogonin-induces-retinal-neuron-like-differentiation-of-bone-marrow-stem-cells-by-inhibiting-notch-1-signaling
#7
Qinmeng Shu, Hong Zhuang, Jiawen Fan, Xin Wang, Gezhi Xu
Age-related macular degeneration and retinitis pigmentosa are major causes of irreversible vision loss in the elderly and, despite sustained efforts, current treatments are largely ineffective. Wogonin is a bioactive plant flavonoid possessing a range of beneficial properties, including neuroprotective effects. We investigated the ability of wogonin to promote retinal neuron-like differentiation of bone marrow stem cells (BMSCs) and assessed the involvement of Notch-1 signaling in this process. Cultured mouse BMSCs were left untreated or exposed to neurotrophic factors in the presence or absence of wogonin, and western blotting, RT-PCR and immunofluorescence were used to identify changes in molecular markers of stemness and neuroretinal differentiation...
March 10, 2017: Oncotarget
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
#8
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/28392353/decreased-nuclear-stiffness-via-fak-erk1-2-signaling-is-necessary-for-osteopontin-promoted-migration-of-bone-marrow-derived-mesenchymal-stem-cells
#9
Lingling Liu, Qing Luo, Jinghui Sun, Aoli Wang, Yisong Shi, Yang Ju, Yasuyuki Morita, Guanbin Song
Migration of bone marrow-derived mesenchymal stem cells (BMSCs) plays an important role in many physiological and pathological settings, including wound healing. During the migration of BMSCs through interstitial tissues, the movement of the nucleus must be coordinated with the cytoskeletal dynamics, which in turn affects the cell migration efficiency. Our previous study indicated that osteopontin (OPN) significantly promotes the migration of rat BMSCs. However, the nuclear behaviors and involved molecular mechanisms in OPN-mediated BMSC migration are largely unclear...
April 6, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28386345/tgf-%C3%AE-mapk-signaling-mediates-the-effects-of-bone-marrow-mesenchymal-stem-cells-on-urinary-control-and-interstitial-cystitis-after-urinary-bladder-transplantation
#10
Ya Xiao, Ya-Jun Song, Bo Song, Chi-Bing Huang, Qing Ling, Xiao Yu
OBJECTIVE: This study aimed to explore the role of the transforming growth factor-β/mitogen activated protein kinase (TGF-β/MAPK) signaling pathway in the effects of bone marrow mesenchymal stem cells (BMSCs) on urinary control and interstitial cystitis in a rat model of urinary bladder transplantation. METHODS: A urinary bladder transplantation model was established using Sprague-Dawley rats. Rats were assigned to normal (blank control), negative control (phosphate-buffered saline injection), BMSCs (BMSC injection), sp600125 (MAPK inhibitor injection), or protamine sulfate (protamine sulfate injection) groups...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28378706/immunomodulation-effect-of-hierarchical-macropore-nano-surface-on-osteogenesis-and-angiogenesis
#11
Houhua Pan, Youtao Xie, Zequan Zhang, Kai Li, Dandan Hu, Xuebin Zheng, Tingting Tang
Immune systems play pivotal roles in determining the in vivo osseointegration of bone implants. While numerous evidences have shown that hierarchical implant surface can exhibit excellent osteogenic ability, however, its immune response has not been well elucidated, which will preclude the accurate knowledge of its osseointegration performance. In this study, the immunomodulatory property of the hierarchical macropore/nano surface as well as the detailed mechanism has been investigated. Macrophages were found switching to M2 phenotype on the hierarchical surface, and meanwhile decreased levels of inflammatory genes expression as well as increased expression of anti-inflammatory genes were endowed, which were probably regulated by the decisive role of cytoskeleton tension induced by specific cell shape...
April 5, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28377982/mechanistic-insight-into-the-effects-of-aryl-hydrocarbon-receptor-activation-on-osteogenic-differentiation
#12
Chawon Yun, Joseph A Weiner, Danielle S Chun, Jonghwa Yun, Ralph W Cook, Michael S Schallmo, Abhishek S Kannan, Sean M Mitchell, Ryan D Freshman, Christian Park, Wellington K Hsu, Erin L Hsu
While inhibition of bone healing and increased rates of pseudarthrosis are known adverse outcomes associated with cigarette smoking, the underlying mechanisms by which this occurs are not well understood. Recent work has implicated the Aryl Hydrocarbon Receptor (Ahr) as one mediator of the anti-osteogenic effects of cigarette smoke (CS), which contains numerous toxic ligands for the Ahr. 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, dioxin) is a high-affinity Ahr ligand frequently used to evaluate Ahr pathway activation...
June 2017: Bone Reports
https://www.readbyqxmd.com/read/28372288/rat-bmsc-infusion-was-unable-to-ameliorate-inflammatory-injuries-in-tissues-of-mice-with-lps-induced-endotoxemia
#13
Xiaolin Xie, Hanhan Liu, Jinhua Wu, Yun Chen, Zhui Yu, Natalia De Isla, Xiaohua He, Yinping Li
BACKGROUND: Mesenchymal stem cells (MSC) have been shown to have potent immunoregulatory effects. They are able to mitigate inflammation in many contexts of immune disorders, including autoimmune diseases and graft-versus-host disease (GVHD). Endotoxemia can induce systematic inflammation in the body. In this study, we try to investigate whether MSC can attenuate inflammation in models of LPS-induced endotoxemia. METHODS: Bone marrow MSC (BMSC) were isolated and expanded from rats of 4~6-week age...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28363268/microrna-183-5p-increases-with-age-in-bone-derived-extracellular-vesicles-suppresses-bone-marrow-stromal-stem-cell-proliferation-and-induces-stem-cell-senescence
#14
Colleen Davis, Amy Dukes, Michelle Drewry, Inas Helwa, Maribeth Johnson, Carlos M Isales, William D Hill, Yutao Liu, Xingming Shi, Sadanand Fulzele, Mark W Hamrick
Microvesicle- and exosome-mediated transport of microRNAs (miRNAs) represents a novel cellular and molecular pathway for cell-cell communication. Here we tested the hypothesis that these extracellular vesicles (EVs) and their miRNAs might change with age, contributing to age-related stem cell dysfunction. EVs were isolated from the bone marrow interstitial fluid (supernatant) of young (3-4 mo) and aged (24-28 mo) mice to determine whether the size, concentration, and miRNA profile of EVs was altered with age in vivo...
March 31, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28362046/co-microencapsulation-of-bmscs-and-mouse-pancreatic-%C3%AE-cells-for-improving-the-efficacy-of-type-i-diabetes-therapy
#15
Ruimin Long, Yuangang Liu, Shibin Wang, Li Ye, Peng He
INTRODUCTION: To overcome the shortcomings of pancreas transplantation and insulin injection treatment for type I diabetes, biocompatible materials were used to prepare alginate-chitosan-alginate microcapsules that co-encapsulated bone marrow mesenchymal stem cells and mouse pancreatic β cells to treat diabetic mice. METHODS: Blank alginate-chitosan-alginate (ACA) microcapsules and co-microencapsulated cells were prepared using a high-voltage electrostatic method and then characterized using an inverted microscope...
March 21, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28360084/the-revitalisation-of-flexor-tendon-allografts-with-bone-marrow-stromal-cells-and-mechanical-stimulation-an-ex-vivo-model-revitalising-flexor-tendon-allografts
#16
J H Wu, A R Thoreson, A Gingery, K N An, S L Moran, P C Amadio, C Zhao
OBJECTIVES: The present study describes a novel technique for revitalising allogenic intrasynovial tendons by combining cell-based therapy and mechanical stimulation in an ex vivo canine model. METHODS: Specifically, canine flexor digitorum profundus tendons were used for this study and were divided into the following groups: (1) untreated, unprocessed normal tendon; (2) decellularised tendon; (3) bone marrow stromal cell (BMSC)-seeded tendon; and (4) BMSC-seeded and cyclically stretched tendon...
March 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28358890/a-multifunctional-bioactive-material-that-stimulates-osteogenesis-and-promotes-the-vascularization-bone-marrow-stem-cells-and-their-resistance-to-bacterial-infection
#17
Chuang Ma, Qin Wei, Bo Cao, Xinchun Cheng, Juling Tian, Hongwei Pu, Aihemaitijiang Yusufu, Li Cao
The main limitation of tissue engineering lies in the inability to stimulate osteogenesis, angiogenesis of stem cells and broad-spectrum antimicrobial activity. However, the development of multifunctional bioactive materials with these capabilities remains a great challenge. In this study, we prepared mesoporous silica nanoparticles encapsulated with silver nanocrystals (AG-MSN) with uniform sphere size and mesopores. Platelet-derived growth factor BB (PDGF-BB) was effectively loaded in the AG-MSN mesopores (P-AG-MSN)...
2017: PloS One
https://www.readbyqxmd.com/read/28350067/isopsoralen-mediated-suppression-of-bone-marrow-adiposity-and-attenuation-of-the-adipogenic-commitment-of-bone-marrow-derived-mesenchymal-stem-cells
#18
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...
February 6, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28342879/stable-subcutaneous-cartilage-regeneration-of-bone-marrow-stromal-cells-directed-by-chondrocyte-sheet
#19
Dan Li, Lian Zhu, Yu Liu, Zongqi Yin, Yi Liu, Fangjun Liu, Aijuan He, Shaoqing Feng, Yixin Zhang, Zhiyong Zhang, Wenjie Zhang, Wei Liu, Yilin Cao, Guangdong Zhou
In vivo niche plays an important role in regulating differentiation fate of stem cells. Due to lack of proper chondrogenic niche, stable cartilage regeneration of bone marrow stromal cells (BMSCs) in subcutaneous environments is always a great challenge. This study explored the feasibility that chondrocyte sheet created chondrogenic niche retained chondrogenic phenotype of BMSC engineered cartilage (BEC) in subcutaneous environments. Porcine BMSCs were seeded into biodegradable scaffolds followed by 4 weeks of chondrogenic induction in vitro to form BEC, which were wrapped with chondrocyte sheets (Sheet group), acellular small intestinal submucosa (SIS, SIS group), or nothing (Blank group) respectively and then implanted subcutaneously into nude mice to trace the maintenance of chondrogenic phenotype...
March 22, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28339007/mir%C3%A2-217-inhibits-osteogenic-differentiation-of-rat-bone-marrow%C3%A2-derived-mesenchymal-stem-cells-by-binding-to-runx2
#20
Yu-Long Zhu, Shui Wang, De-Gang Ding, Liang Xu, Hai-Tao Zhu
The elucidation of the underlying molecular mechanisms regulating the osteogenic differentiation of bone marrow‑derived mesenchymal stem cells (BMSCs) is of great importance in improving the treatment of bone‑associated diseases. MicroRNAs (miRNAs) have been proven to regulate the osteogenic differentiation of BMSCs. The present study investigated the role of miR‑217 in the osteogenic differentiation of rat BMSCs. It was observed that miR‑217 expression levels were downregulated during the process of osteogenic differentiation...
May 2017: Molecular Medicine Reports
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