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Bone marrow derived stem cells

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https://www.readbyqxmd.com/read/28719075/fibrosis-in-small-syngeneic-rat-liver-grafts-due-to-damaged-bone-marrow-stem-cells-from-chronic-alcohol-consumption
#1
Masayuki Hisada, Xiuying Zhang, Yoshihiro Ota, Andrew M Cameron, James Burdick, Bin Gao, George Melville Williams, Zhaoli Sun
A patient with liver failure due to chronic and acute alcohol abuse under consideration for an urgent liver transplant shortly after stopping alcohol may have residual abnormalities that threaten transplant success, particularly for a small graft. To address this, we studied a model in which reduced size (50%) Lewis rat livers are transplanted into green fluorescence protein (GFP) transgenic Lewis recipients after they are fed alcohol or a control diet for 5 weeks. Here we show that normal small Lewis grafts transplanted to alcohol fed Lewis hosts developed fibrosis whereas no fibrosis was observed in control fed recipients...
July 18, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28718749/glycinol-enhances-osteogenic-differentiation-and-attenuates-the-effects-of-age-on-mesenchymal-stem-cells
#2
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/28714856/use-of-human-aortic-extracellular-matrix-as-a-scaffold-for-construction-of-patient-specific-tissue-engineered-vascular-patch
#3
Liping Gao, Mingjun Du, Jingjing Lv, Sebastian Schmull, Ritai Huang, Jun Li
Abstract Synthetic or biologic materials are usually used to repair vascular malformation in congenital heart defects; however, non-autologous materials show both mismatch compliance and antigenicity, as well as a lack of recellularization on its surface. Here, we constructed a tissue-engineered vascular patch (TEVP) using decellularized extracellular matrix (ECM) scaffold obtained from excised human aorta during surgery, which was seeded with patient-derived bone marrow CD34-positive (CD34+) progenitor cells...
July 17, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28714548/role-of-the-protease-corin-in-chondrogenic-differentiation-of-human-bone-marrow-derived-mesenchymal-stem-cells
#4
Haibin Zhou, Jinsong Zhu, Meng Liu, Qingyu Wu, Ningzheng Dong
Mesenchymal stem cells (MSCs) have the potency to differentiate into chondrocytes, osteocytes and adipocytes. Corin is a cardiac protease that activates the natriuretic peptides, thereby regulating blood volume and pressure. In addition to the heart, corin gene up-regulation was reported in bone marrow- and adipose tissue-derived MSCs that underwent osteogenic differentiation. To date, the biological significance of corin expression in MSC differentiation remains unknown. In this study, we isolated and cultured human bone marrow-derived MSCs that were capable of undergoing chondrogenic, osteogenic and adipogenic lineage differentiation...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28714139/simple-radical-polymerization-of-poly-alginate-graft-n-isopropylacrylamide-injectable-thermoresponsive-hydrogel-with-the-potential-for-localized-and-sustained-delivery-of-stem-cells-and-bioactive-molecules
#5
Sreekanth Pentlavalli, Philip Chambers, Binulal N Sathy, Michelle O'Doherty, Marine Chalanqui, Daniel J Kelly, Tammy Haut-Donahue, Helen O McCarthy, Nicholas J Dunne
In this study, thermoresponsive copolymers that are fully injectable, biocompatible, and biodegradable and are synthesized via graft copolymerization of poly(N-isopropylacrylamide) onto alginate using a free-radical reaction are presented. This new synthesis method does not involve multisteps or associated toxicity issues, and has the potential to reduce scale-up difficulties. Chemical and physical analyses verify the resultant graft copolymer structure. The lower critical solution temperature, which is a characteristic of sol-gel transition, is observed at 32 °C...
July 17, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28714033/evaluation-of-velvet-antler-total-protein-effect-on-bone-marrow%C3%A2-derived-endothelial-progenitor-cells
#6
Xiang Xiao, Lin Li, Shuqiang Xu, Min Mao, Ruiyan Pan, Yanjun Li, Jiayun Wu, Li Huang, Xiaoyun Zheng
Lu Rong, velvet antler (VA), is a traditional Chinese medicine, which is used as a food supplement and therapeutic drug in China, Japan, Russia, New Zealand and Southeast Asia. The regenerative characteristics of VA have resulted in great research interest, particularly regarding the fields of organ grafting and stem cell differentiation. Various VA proteomic studies verified that proteins act as the primary bioactive components of VA. The present study aimed to investigate if VA proteins (VA‑pro) influence endothelial progenitor cell (EPC) viability...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28714031/effects-of-neuritin-on-the-differentiation-of-bone-marrow%C3%A2-derived-mesenchymal-stem-cells-into-neuron%C3%A2-like-cells
#7
Jingling Zhu, Pingping Meng, Qian Wang, Haiyan Wang, Jinli Zhang, Yuanyuan Li, Dongzheng Li, Xiaohua Tan, Lei Yang, Jin Huang
While the neurotrophic factor neuritin is known to be involved in neurodevelopment, the effects of this compound on cell differentiation remain unclear. The present study demonstrated that neuritin treatment induced the differentiation of rat bone marrow‑derived mesenchymal stem cells (rBM‑MSCs) into neuron‑like (NL) cells. For these analyses, rBM‑MSCs were incubated with 0.5 µg/ml neuritin for 24 h. Following induction, 27% of the rBM‑MSCs exhibited typical NL cell morphologies. Subsequently, NL cells were characterized by examining the expression of neuronal markers and by analysis of cell functions...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713978/bone-marrow-mesenchymal-stem-cell%C3%A2-derived-extracellular-vesicles-improve-the-survival-of-transplanted-fat-grafts
#8
He Huang, Shaoqing Feng, Wenjie Zhang, Wei Li, Peng Xu, Xiangsheng Wang, Ai Ai
Autologous fat grafting is a promising surgical technique for soft tissue augmentation, reconstruction and rejuvenation. However, it is limited by the low survival rate of the transplanted fat, due to the slow revascularization of such grafts. Previous studies have demonstrated that bone marrow mesenchymal stem cell‑derived extracellular vesicles (BMSC‑EVs) are proangiogenic. The present study aimed to investigate whether BMSC‑EVs could improve the survival of transplanted fat grafts. Extracellular vesicles were isolated from the supernatant of cultured rat bone marrow mesenchymal stem cells, and characterized by flow cytometry and scanning electron microscopy...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713822/bone-marrow-mesenchymal-stem-cells-inhibit-the-function-of-dendritic-cells-by-secreting-galectin-1
#9
Yue Zhang, Xia-Hui Ge, Xue-Jun Guo, Si-Bin Guan, Xiao-Ming Li, Wen Gu, Wei-Guo Xu
This study aimed to investigate whether bone marrow-derived mesenchymal stem cells (BM-MSCs) can inhibit function of dendritic cells (DCs) by secreting Galectin-1 (Gal-1). BM-MSCs have been shown to inhibit the maturation and function of DCs, further inhibiting the activation and proliferation of T cells. However, the detailed mechanism remains unknown. In this current study, MSCs and DCs derived from mouse bone marrow were cocultured using Transwell culture plates under different in vitro conditions. The results showed that as the ratio of MSC to DC of the coculture system increased and the coculture time of the two cells prolonged, the concentrations of Gal-1, interleukin- (IL-) 10, and IL-12 in the supernatants were increased and the protein expression of Gal-1 on and within DCs was also enhanced...
2017: BioMed Research International
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/28712928/bone-marrow-derived-mesenchymal-stem-cells-propagate-immunosuppressive-anti-inflammatory-macrophages-in-cell-to-cell-contact-independent-and-dependent-manners-under-hypoxic-culture
#11
Naoki Takizawa, Naoto Okubo, Masaharu Kamo, Naoyuki Chosa, Toshinari Mikami, Keita Suzuki, Seiji Yokota, Miho Ibi, Masato Ohtsuka, Masayuki Taira, Takashi Yaegashi, Akira Ishisaki, Seiko Kyakumoto
Immunosuppressive/anti-inflammatory macrophage (Mφ), M2-Mφ that expressed the typical M2-Mφs marker, CD206, and anti-inflammatory cytokine, interleukin (IL)-10, is beneficial and expected tool for the cytotherapy against inflammatory diseases. Here, we demonstrated that bone marrow-derived lineage-positive (Lin+) blood cells proliferated and differentiated into M2-Mφs by cooperation with the bone marrow-derived mesenchymal stem cells (MSCs) under hypoxic condition: MSCs not only promoted proliferation of undifferentiated M2-Mφs, pre-M2-Mφs, in the Lin+ fraction via a proliferative effect of the MSCs-secreted macrophage colony-stimulating factor, but also promoted M2-Mφ polarization of the pre-M2-Mφs through cell-to-cell contact with the pre-M2-Mφs...
July 13, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28710961/epigenetic-modification-differences-between-fetal-fibroblast-cells-and-mesenchymal-stem-cells-of-the-arbas-cashmere-goat
#12
Xiao Wang, Zhimin Wang, Qing Wang, Hefei Wang, Hao Liang, Dongjun Liu
To explore the epigenetic mechanisms regulating mesenchymal stem cells, we analyzed epigenetic patterns in control goat fetal fibroblast cells (gFFCs), adipose-derived stem cells (gADSCs), bone marrow stromal cells (gBMSCs), and muscle-derived satellite cells (gMDSCs). We found that the 5mC content of gBMSC genomes was lower than that of gFFC genomes, while the 5mC content of gADSC and gMDSC genomes surpassed that of gFFC genomes. H3K9 acetylation did not differ significantly among those cells; gFFCs, gADSCs, and gMDSCs contained acetylated H3K9, H3K14, H3K18, H4K5, and H4K12, but gBMSCs contained almost no acetylated H4K5 and H4K12...
July 9, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28706339/expansion-of-bone-marrow-derived-human-mesenchymal-stem-stromal-cells-hmscs-using-a-two-phase-liquid-liquid-system
#13
Mariana P Hanga, Halina Murasiewicz, Andrzej W Pacek, Alvin W Nienow, Karen Coopman, Christopher J Hewitt
BACKGROUND: Human mesenchymal stem/stromal cells (hMSCs) are at the forefront of regenerative medicine applications due to their relatively easy isolation and availability in adults, potential to differentiate and to secrete a range of trophic factors that could determine specialised tissue regeneration. To date, hMSCs have been successfully cultured in vitro on substrates such as polystyrene dishes (TCPS) or microcarriers. However, hMSC sub-cultivation and harvest typically employs proteolytic enzymes that act by cleaving important cell membrane proteins resulting in long-term cell damage...
July 2017: Journal of Chemical Technology and Biotechnology
https://www.readbyqxmd.com/read/28706279/elimination-of-undifferentiated-human-embryonic-stem-cells-by-cardiac-glycosides
#14
Yu-Tsen Lin, Cheng-Kai Wang, Shang-Chih Yang, Shu-Ching Hsu, Hsuan Lin, Fang-Pei Chang, Tzu-Chien Kuo, Chia-Ning Shen, Po-Ming Chiang, Michael Hsiao, Frank Leigh Lu, Jean Lu
An important safety concern in the use of human pluripotent stem cells (hPSCs) is tumorigenic risk, because these cells can form teratomas after an in vivo injection at ectopic sites. Several thousands of undifferentiated hPSCs are sufficient to induce teratomas in a mouse model. Thus, it is critical to remove all residue-undifferentiated hPSCs that have teratoma potential before the clinical application of hPSC-derived cells. In this study, our data demonstrated the cytotoxic effects of cardiac glycosides, such as digoxin, lanatoside C, bufalin, and proscillaridin A, in human embryonic stem cells (hESCs)...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28705238/interleukin-3-enhances-the-migration-of-human-mesenchymal-stem-cells-by-regulating-expression-of-cxcr4
#15
Amruta Barhanpurkar-Naik, Suhas T Mhaske, Satish T Pote, Kanupriya Singh, Mohan R Wani
BACKGROUND: Mesenchymal stem cells (MSCs) represent an important source for cell therapy in regenerative medicine. MSCs have shown promising results for repair of damaged tissues in various degenerative diseases in animal models and also in human clinical trials. However, little is known about the factors that could enhance the migration and tissue-specific engraftment of exogenously infused MSCs for successful regenerative cell therapy. Previously, we have reported that interleukin-3 (IL-3) prevents bone and cartilage damage in animal models of rheumatoid arthritis and osteoarthritis...
July 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28703786/fistulizing-crohn-s-disease
#16
Michael Scharl, Gerhard Rogler, Luc Biedermann
Fistulas still represent one of the most important complications in patients with Crohn's disease (CD). At least one third of CD patients suffer from fistulas during their disease course and amongst them longstanding remission of complex fistulas occurs only in about one third. So far, fistula pathogenesis is only partially understood. From a histopathological view, a fistula is a tube covered by flat epithelial cells. Current research suggests that the driving force for fistula development is epithelial-to-mesenchymal transition (EMT)...
July 13, 2017: Clinical and Translational Gastroenterology
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
#17
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/28701182/do-we-really-need-to-differentiate-mesenchymal-stem-cells-into-insulin-producing-cells-for-attenuation-of-the-autoimmune-responses-in-type-1-diabetes-immunoprophylactic-effects-of-precursors-to-insulin-producing-cells
#18
Anshu Sharma, Rajni Rani
BACKGROUND: Type 1 diabetes (T1D) is a multifactorial autoimmune disorder where pancreatic beta cells are lost before the clinical manifestations of the disease. Administration of mesenchymal stem cells (MSCs) or MSCs differentiated into insulin-producing cells (IPCs) have yielded limited success when used therapeutically. We have evaluated the immunoprophylactic potentials of precursors to insulin-producing cells (pIPCs) and IPCs in nonobese diabetic (NOD) mice to ask a basic question: do we need to differentiate MSCs into IPCs or will pIPCs suffice to attenuate autoimmune responses in T1D? METHODS: Bone marrow-derived MSCs from Balb/c mice were characterized following the International Society for Cellular Therapy (ISCT) guidelines...
July 12, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28701175/isolation-and-characterization-of-equine-endometrial-mesenchymal-stromal-cells
#19
B Elisabeth Rink, Karin R Amilon, Cristina L Esteves, Hilari M French, Elaine Watson, Christine Aurich, F Xavier Donadeu
BACKGROUND: Equine mesenchymal stromal/stem cells (MSCs) are most commonly harvested from bone marrow (BM) or adipose tissue, requiring the use of surgical procedures. By contrast, the uterus can be accessed nonsurgically, and may provide a more readily available cell source. While human endometrium is known to harbor mesenchymal precursor cells, MSCs have not been identified in equine endometrium. This study reports the isolation, culture, and characterization of MSCs from equine endometrium...
July 12, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28697880/comparison-of-autologous-bone-marrow-and-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-for-treating-surgically-induced-lesions-of-the-equine-superficial-digital-flexor-tendon
#20
A Romero, L Barrachina, B Ranera, A R Remacha, B Moreno, I de Blas, A Sanz, F J Vázquez, A Vitoria, C Junquera, P Zaragoza, C Rodellar
Several therapies have been investigated for equine tendinopathies, but satisfactory long term results have not been achieved consistently and a better understanding of the healing mechanism elicited by regenerative therapies is needed. The aim of this study was to assess the separate effects of autologous bone marrow (BM) and adipose tissue (AT) derived mesenchymal stem cells (MSCs), and platelet rich plasma (PRP), for treating lesions induced in the superficial digital flexor tendon (SDFT) of horses. Lesions were created surgically in both SDFTs of the forelimbs of 12 horses and were treated with BM-MSCs (six tendons), AT-MSCs (six tendons) or PRP (six tendons)...
June 2017: Veterinary Journal
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