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https://www.readbyqxmd.com/read/28109140/-transplantation-of-bone-marrow-mesenchymal-stem-cell-improves-antioxidant-capacity-and-immune-activity-of-aging-model-rats
#1
Zhihong Wang, Yun Lin, Weimin Chen, Jin Shang, Tiannan Wei
Objective To investigate the impact of bone marrow mesenchymal stem cell (BMSC) transplantation on the antioxidant capacity and immune activity of aging rats induced by D-galactose. Methods Ten healthy male SD rats served as a control group (aged 2 months). To establish aging models, healthy SD rats were daily injected subcutaneously with D-galactose (400 mg/kg). Then the aging model rats were randomized into aging model group and BMSC group (ten rats in each group). The BMSC group was injected with 3×10(6) BMSCs via tail vein...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28102000/bone-regeneration-in-minipigs-via-calcium-phosphate-cement-scaffold-delivering-autologous-bmscs-and-platelet-rich-plasma
#2
Gengtao Qiu, Zhanjun Shi, Hockin H K Xu, Bo Yang, Michael D Weir, Guangjun Li, Yang Song, Jixing Wang, Kevin Hu, Ping Wang, Liang Zhao
Macroporous calcium phosphate cement (CPC) with stem cell seeding is promising for bone regeneration. The objective of this study was to investigate the effects of co-delivering autologous bone marrow mesenchymal stem cells (BMSCs) and autologous platelet-rich plasma (PRP) in CPC scaffold for bone regeneration in minipigs for the first time. Twelve female adult Tibet minipigs (12-18 months old) were used. A cylindrical defect with 10 mm height and 8 mm diameter was prepared at the femoral condyle. Two bone defects were created in each minipig, one at each side of the femoral condyle...
January 18, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28079980/induction-of-mesenchymal-stem-cell-differentiation-in-the-absence-of-soluble-inducer-for-cutaneous-wound-regeneration-by-a-chitin-nanofibers-based-hydrogel
#3
Kangquan Shou, Yao Huang, Baiwen Qi, Xiang Hu, Zhanjun Ma, Ang Lu, Chao Jian, Lina Zhang, Aixi Yu
Transplantation of bone marrow mesenchymal stem cells (BMSCs) has been considered as a promising strategy for wound healing. However, poor viability of engrafted BMSCs and limited capabilities of differentiation into the desired cell types in wounds often hinder their application. Few studies report the induction of BMSCs differentiation into the skin regeneration related cell types using natural biopolymer, e.g., chitin and its derivative. Here we utilized a chitin nanofibers(CNFs) hydrogel as a directive cue to induce BMSCs differentiation for enhancing cutaneous wound regeneration in the absence of cell-differentiating factors...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28043032/kaempferol-slows-intervertebral-disc-degeneration-by-modifying-lps-induced-osteogenesis-adipogenesis-imbalance-and-inflammation-response-in-bmscs
#4
Jun Zhu, Haoyu Tang, Zhenhua Zhang, Yong Zhang, Chengfeng Qiu, Ling Zhang, Pinge Huang, Feng Li
Intervertebral disc (IVD) degeneration is a common disease that represents a significant cause of socio-economic problems. Bone marrow-derived mesenchymal stem cells (BMSCs) are a potential autologous stem cell source for the nucleus pulposus regeneration. Kaempferol has been reported to exert protective effects against both osteoporosis and obesity. This study explored the effect of kaempferol on BMSCs differentiation and inflammation. The results demonstrated that kaempferol did not show any cytotoxicity at concentrations of 20, 60 and 100μM...
February 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28042320/heparin-improves-bmsc-cell-therapy-anticoagulant-treatment-by-heparin-improves-the-safety-and-therapeutic-effect-of-bone-marrow-derived-mesenchymal-stem-cell-cytotherapy
#5
Li Liao, Bingzheng Shi, Heran Chang, Xiaoxia Su, Lichao Zhang, Chunsheng Bi, Yi Shuai, Xiaoyan Du, Zhihong Deng, Yan Jin
Systemic infusion of bone marrow-derived mesenchymal stem cells (BMSCs) has become a promising strategy for disease treatment and tissue regeneration. Strategies to enhance the efficiency of BMSC cell therapy are crucial to promote its clinical application. Here, we aimed to improve BMSC cell therapy by inhibiting the BMSC-induced coagulation reaction. Intravenous injection of gradient BMSCs into mice showed that BMSCs were not fully compatible with blood. Large doses of BMSCs induced a series of symptoms of respiratory failure and heart failure...
2017: Theranostics
https://www.readbyqxmd.com/read/28025887/influence-of-crosslinkers-on-the-in-vitro-chondrogenesis-of-mesenchymal-stem-cells-in-hyaluronic-acid-hydrogels
#6
Panita Maturavongsadit, Xiangdong Bi, Kamolrat Metavarayuth, Jittima Amie Luckanagul, Qian Wang
This study aims to investigate the effect of the structures of crosslinkers on the in vitro chondrogenic differentiation of bone mesenchymal stem cells (BMSCs) in hyaluronic acid (HA)-based hydrogels. The hydrogels were prepared by the covalent crosslinking of methacrylated HA with different types of thiol-tailored molecules, including dithiothreitol (DTT), 4-arm polyethylene glycol (PEG), and multi-arm polyamidoamine (PAMAM) dendrimer using thiol-ene "click" chemistry. The microstructure, mechanical properties, diffusivity and degradation rates of the resultant hydrogels were controlled by the structural feature of different crosslinkers...
December 27, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28025714/bone-marrow-mesenchymal-stem-cell-transplantation-improves-radiation-induced-heart-injury-through-dna-damage-repair-in-rat-model
#7
Song Gao, Zhiying Zhao, Rong Wu, Yuecan Zeng, Zhenyong Zhang, Jianing Miao, Zhengwei Yuan
Radiotherapy is an effective form of therapy for most thoracic malignant tumors. However, myocardial injury resulting from the high doses of radiation is a severe complication. Here we aimed to study the possibility of reducing radiation-induced myocardial injury with mesenchymal stem cell (MSC) transplantation. We used MSCs extracted from bone marrow (BMSCs) to transplant via the tail vein into a radiation-induced heart injury (RIHI) rat model. The rats were divided into six groups: a Sham group, an IRR (irradiation) group, and four IRR + BMSCs transplantation groups obtained at different time points...
December 26, 2016: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28009419/mesenchymal-stem-cells-from-reaming-material-possess-high-osteogenic-potential-and-react-sensitively-to-bone-morphogenetic-protein-7
#8
Melanie Hoellig, Fabian Westhauser, Kira Kornienko, Kai Xiao, Gerhard Schmidmaier, Arash Moghaddam
BACKGROUND: Femoral material harvested using the Reamer-Irrigator-Aspirator (RIA) system is an alternative source for autogenous bone material in the treatment of non-unions, especially in combination with bone morphogenetic proteins (BMP). So far, there is no in vivo evidence of BMP-7 interacting with mesenchymal stem cells (MSCs) from RIA material (RIA-MSCs) and iliac crest autogenous bone (BMSCs). The aim of this study was to compare their osteogenic potential when stimulated with BMP-7 in vivo...
December 19, 2016: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/27988259/epha5-and-epha7-forward-signalling-enhances-human-hematopoietic-stem-and-progenitor-cell-maintenance-migration-and-adhesion-via-rac1-activation
#9
Thao M Nguyen, Agnieszka Arthur, Andrew C W Zannettino, Stan Gronthos
The proliferation, differentiation, adhesion and migration of hematopoietic stem and progenitor cells (HSPC) are dependent upon bone marrow stromal cells (BMSC). In this study, we found that human primitive HSPC (CD34(+)CD38(-)), but not by lineage committed hematopoietic cell populations, express the tyrosine kinase receptors, EphA5 and EphA7. Moreover, we found that the ephrinA5 ligand, the high affinity binding partner of EphA5 and EphA7, is highly expressed by primary human BMSC. Previous studies have reported that interactions between EphA and ephrinA play important roles in hematopoietic cell trafficking, however their role in BMSC support of hematopoiesis had not been described...
December 14, 2016: Experimental Hematology
https://www.readbyqxmd.com/read/27983908/calcium-concentration-in-culture-medium-as-a-nondestructive-and-rapid-marker-of-osteogenesis
#10
Yohei Tanikake, Manabu Akahane, Akira Furukawa, Yasuaki Tohma, Yusuke Inagaki, Tsutomu Kira, Yasuhito Tanaka
Artificial bones made of β-tricalcium phosphate (β-TCP) combined with bone marrowderived stromal cells (BMSCs) are used for effective reconstruction of bone defects caused by genetic defects, traumatic injury, or surgical resection of bone tumors. However, the selection of constructs with high osteogenic potential before implantation is challenging. The purpose of this study was to determine whether the calcium concentration in BMSC culture medium can be used as a nondestructive and simple osteogenic marker for selecting tissueengineered grafts constructed using β-TCP and BMSCs...
November 29, 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27966263/molecular-and-microarray-based-analysis-of-diversity-among-resting-and-osteogenically-induced-porcine-mesenchymal-stromal-cells-of-several-tissue-origin
#11
Samet Bayraktar, Pascal Jungbluth, René Deenen, Jan Grassmann, Johannes Schneppendahl, Daphne Eschbach, Armin Scholz, Joachim Windolf, Christoph V Suschek, Vera Grotheer
Mesenchymal stromal cells (MSC) play a pivotal role in modern therapeutic approaches in bone healing disorders. Although bone marrow-derived MSC are most frequently used, the knowledge that many other adult tissues represent promising sources for potent MSC has gained acceptance. In the present study, the osteogenic differentiation potential of porcine skin fibroblasts (FB) as well as bone marrow- (BMSC), adipose tissue- (ASC), and dental pulp-derived stromal cells (DSC) were evaluated. However, additional application of BMP-2 significantly elevated the delayed osteogenic differentiation capacity of ASC and FB cultures...
December 14, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27934660/ezh2-deletion-in-early-mesenchyme-compromises-postnatal-bone-microarchitecture-and-structural-integrity-and-accelerates-remodeling
#12
Sarah Hemming, Dimitrios Cakouros, John Codrington, Kate Vandyke, Agneiszka Arthur, Andrew Zannettino, Stan Gronthos
In this study, we examined the functional importance of EZH2 during skeletal development and homeostasis using the conditional deletion of Ezh2 (Ezh2(fl/fl)) in early mesenchyme with the use of a Prrx-1-cre driver mouse (Ezh2(+/+)). Heterozygous (Ezh2(+/-)) newborn and 4-wk-old mice exhibited increased skeletal size, growth plate size, and weight when compared to the wild-type control (Ezh2(+/+)), whereas homozygous deletion of Ezh2 (Ezh2(-/-)) resulted in skeletal deformities, reduced skeletal size, growth plate size, and weight in newborns, and 4-wk-old mice...
December 1, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27924617/cxcl12-sdf-1-dependent-retinal-migration-of-endogenous-bone-marrow-derived-stem-cells-improves-visual-function-after-pharmacologically-induced-retinal-degeneration
#13
Volker Enzmann, Stéphanie Lecaudé, Anna Kruschinski, Axel Vater
Mobilized bone marrow-derived stem cells (BMSC) have been discussed as an alternative strategy for endogenous repair. Thereby, different approaches for BMSC mobilization have been pursued. Herein, the role of a newly discovered oligonucleotide for retinal homing and regeneration capability of BMSCs was investigated in the sodium iodate (NaIO3) model of retinal degeneration. Mobilization was achieved in GFP-chimera with NOX-A12, a CXC-motif chemokine ligand 12 (CXCL12)/stromal cell-derived factor 1 (SDF-1)-neutralizing L-aptamer...
December 6, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27922691/microarray-expression-profiles-of-genes-in-lung-tissues-of-rats-subjected-to-focal-cerebral-ischemia-induced-lung-injury-following-bone-marrow-derived-mesenchymal-stem-cell-transplantation
#14
Yue Hu, Liu-Lin Xiong, Piao Zhang, Ting-Hua Wang
Ischemia-induced stroke is the most common disease of the nervous system and is associated with a high mortality rate worldwide. Cerebral ischemia may lead to remote organ dysfunction, particular in the lungs, resulting in lung injury. Nowadays, bone marrow-derived mesenchymal stem cells (BMSCs) are widely studied in clinical trials as they may provide an effective solution to the treatment of neurological and cardiac diseases; however, the underlying molecular mechanisms remain unknown. In this study, a model of permanent focal cerebral ischemia-induced lung injury was successfully established and confirmed by neurological evaluation and lung injury scores...
January 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27917821/optimizing-cell-sourcing-for-clinical-translation-of-tissue-engineered-ears
#15
Kerry A Morrison, Benjamin P Cohen, Ope Asanbe, Xue Dong, Alice Harper, Lawrence J Bonassar, Jason A Spector
: Background . Currently, the major impediment to clinical translation of our previously described platform for the fabrication of high fidelity, patient-specific tissue engineered ears is the development of a clinically optimal cell sourcing strategy. A limited autologous auricular chondrocyte (AuC) supply in conjunction with rapid chondrocyte de-differentiation during in vitro expansion currently makes clinical translation more challenging. Mesenchymal stem cells (MSCs) offer significant promise due to their inherent chondrogenic potential, and large availability through minimally invasive procedures...
December 5, 2016: Biofabrication
https://www.readbyqxmd.com/read/27894122/b-cell-lymphoma-2-modified-bone-marrow-derived-mesenchymal-stem-cells-transplantation-for-the-treatment-of-diabetes-mellitus-induced-erectile-dysfunction-in-a-rat-model
#16
Xiang Sun, Long-Hua Luo, Liang Feng, Dong-Shui Li, Ke-Zhao Zhong
OBJECTIVE: The study aimed to explore the effects of B cell lymphoma-2 (Bcl-2)-modified bone marrow-derived mesenchymal stem cells (BMSCs) transplantation for the treatment of diabetes mellitus-induced erectile dysfunction (DMED) in a rat model. METHODS: The DMED rat model was successfully established. Thirty-six DMED rats were assigned into the Bcl-2-BMSCs, null-BMSCs, BMSCs and phosphate buffered saline (PBS) groups. Meanwhile, 9 normal rats injected with PBS were taken as the normal control group...
November 29, 2016: Urologia Internationalis
https://www.readbyqxmd.com/read/27888629/inhibition-of-bcr-signaling-using-the-syk-inhibitor-tak-659-prevents-stroma-mediated-signaling-in-chronic-lymphocytic-leukemia-cells
#17
Noelia Purroy, Júlia Carabia, Pau Abrisqueta, Leire Egia, Meritxell Aguiló, Cecilia Carpio, Carles Palacio, Marta Crespo, Francesc Bosch
Proliferation and survival of chronic lymphocytic leukemia (CLL) cells depend on microenvironmental signals coming from lymphoid organs. One of the key players involved in the crosstalk between CLL cells and the microenvironment is the B-cell receptor (BCR). Syk protein, a tyrosine kinase essential for BCR signaling, is therefore a rational candidate for targeted therapy in CLL. Against this background, we tested the efficacy of the highly specific Syk inhibitor TAK-659 in suppressing the favorable signaling derived from the microenvironment...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27885959/bone-marrow-stromal-cell-sheets-may-promote-axonal-regeneration-and-functional-recovery-with-suppression-of-glial-scar-formation-after-spinal-cord-transection-injury-in-rats
#18
Akinori Okuda, Noriko Horii-Hayashi, Takayo Sasagawa, Takamasa Shimizu, Hideki Shigematsu, Eiichiro Iwata, Yasuhiko Morimoto, Keisuke Masuda, Munehisa Koizumi, Manabu Akahane, Mayumi Nishi, Yasuhito Tanaka
OBJECTIVE Transplantation of bone marrow stromal cells (BMSCs) is a theoretical potential as a therapeutic strategy in the treatment of spinal cord injury (SCI). Although a scaffold is sometimes used for retaining transplanted cells in damaged tissue, it is also known to induce redundant immunoreactions during the degradation processes. In this study, the authors prepared cell sheets made of BMSCs, which are transplantable without a scaffold, and investigated their effects on axonal regeneration, glial scar formation, and functional recovery in a completely transected SCI model in rats...
November 25, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27877865/three-dimensional-printed-macroporous-polylactic-acid-hydroxyapatite-composite-scaffolds-for-promoting-bone-formation-in-a-critical-size-rat-calvarial-defect-model
#19
Haifeng Zhang, Xiyuan Mao, Zijing Du, Wenbo Jiang, Xiuguo Han, Danyang Zhao, Dong Han, Qingfeng Li
We have explored the applicability of printed scaffold by comparing osteogenic ability and biodegradation property of three resorbable biomaterials. A polylactic acid/hydroxyapatite (PLA/HA) composite with a pore size of 500 μm and 60% porosity was fabricated by three-dimensional printing. Three-dimensional printed PLA/HA, β-tricalcium phosphate (β-TCP) and partially demineralized bone matrix (DBM) seeded with bone marrow stromal cells (BMSCs) were evaluated by cell adhesion, proliferation, alkaline phosphatase activity and osteogenic gene expression of osteopontin (OPN) and collagen type I (COL-1)...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27859595/recipient-bone-marrow-derived-stromal-cells-prolong-graft-survival-in-a-rat-hind-limb-allotransplantation-model
#20
Ryosuke Ikeguchi, Ryosuke Kakinoki, Souichi Ohta, Hiroki Oda, Hirofumi Yurie, Yukitoshi Kaizawa, Hiroto Mitsui, Tomoki Aoyama, Junya Toguchida, Shuichi Matsuda
BACKGROUND: Recent studies have indicated that bone marrow-derived stromal cells (BMSCs) have immunomodulatory properties that suppress the T cell responses that cause graft rejection. The purpose of this study is to evaluate the effect of recipient BMSCs intravenous infusion for immunomodulation in a rat vascularized composite allotransplantation model. METHODS: A total of nine Wistar (WIS) rats and thirty Lewis (LEW) rats were used. BMSCs were harvested from three LEW rats...
November 17, 2016: Microsurgery
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