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https://www.readbyqxmd.com/read/28532013/exercise-enhance-the-ectopic-bone-formation-of-calcium-phosphate-biomaterials-in-muscles-of-mice
#1
Lijia Cheng, Shuo Yan, Jiang Zhu, Peiling Cai, Ting Wang, Zheng Shi
OBJECTIVE: To investigate whether exercise can enhance ectopic bone formation of calcium phosphate (Ca-P) biomaterials in muscles of mice. METHODS: Firstly, ten transient receptor potential vanilloid subfamily member 1 (TRPV1) knockout mice (group KO) and ten C57BL/6 mice (group WT) were randomly chosen, 10μg Ca-P biomaterials were implanted into the thigh muscle pouch of each mouse which was far away from femur; after that, all animals were kept in open field for free exploration 5min, and the movement time and distance were automatically analyzed...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531915/bone-marrow-stem-cells-anti-liver-fibrosis-potency-inhibition-of-hepatic-stellate-cells-activity-and-extracellular-matrix-deposition
#2
Ervina Julien Sitanggang, Radiana Dhewayani Antarianto, Sri Widia A Jusman, Jeanne Adiwinata Pawitan, Ahmad Aulia Jusuf
Transplantation of bone marrow derived stem cells (BMSCs) has been reported inhibits liver fibrosis. Several in vitro studies by co-culturing BMSCs and hepatic stellate cells (HSCs) indirectly or directly in 2D models showed inhibition of HSC as the key player in liver fibrosis. In this study, we investigated direct effect of BMSCs on HSCs by co-culturing BMSCs and HSCs in 3D model as it represents the liver microenvironment with intricate cell-cell and cell-matrix interactions. Primary isolated rat HSCs and BMSCs were directly co-cultured at 1:1 ratio with hanging drop method...
May 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28527710/ccn3-regulates-macrophage-foam-cell-formation-and-atherosclerosis
#3
Hong Shi, Chao Zhang, Vinay Pasupuleti, Xingjian Hu, Domenick A Prosdocimo, Wenconghui Wu, Yulan Qing, Shitong Wu, Haneen Mohammad, Stanton L Gerson, Bernard Perbal, Philip A Klenotic, Nianguo Dong, Zhiyong Lin
Recent studies implicate the Cyr61, CTGF, Nov (CCN) matricellular signaling protein family as emerging players in vascular biology, with NOV (alias CCN3) as an important regulator of vascular homeostasis. Herein, we examined the role of CCN3 in the pathogenesis of atherosclerosis. In response to a 15-week high-fat diet feeding, CCN3-deficient mice on the atherosclerosis-prone Apoe(-/-) background developed increased aortic lipid-rich plaques compared to control Apoe(-/-) mice, a result that was observed in the absence of alterations in plasma lipid content...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28524367/transplantation-of-human-villous-trophoblasts-preserves-cardiac-function-in-mice-with-acute-myocardial-infarction
#4
Zegen Wang, Ningzheng Dong, Yayan Niu, Zhiwei Zhang, Ce Zhang, Meng Liu, Tiantian Zhou, Qingyu Wu, Ke Cheng
Over the past decade, cell therapies have provided promising strategies for the treatment of ischaemic cardiomyopathy. Particularly, the beneficial effects of stem cells, including bone marrow stem cells (BMSCs), endothelial progenitor cells (EPCs), mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs), have been demonstrated by substantial preclinical and clinical studies. Nevertheless stem cell therapy is not always safe and effective. Hence, there is an urgent need for alternative sources of cells to promote cardiac regeneration...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524176/lentivirus-mediated-microrna-124-gene-modified-bone-marrow-mesenchymal-stem-cell-transplantation-promotes-the-repair-of-spinal-cord-injury-in-rats
#5
Jia-Lin Song, Wei Zheng, Wei Chen, Yun Qian, Yuan-Ming Ouyang, Cun-Yi Fan
Our study aims to explore the effects of lentivirus-mediated microRNA-124 (miR-124) gene-modified bone marrow mesenchymal stem cell (BMSC) transplantation on the repair of spinal cord injury (SCI) in rats. BMSCs were isolated from the bone marrow of rats. The target gene miR-124 was identified using a luciferase-reporter gene assay. Seventy-two rats were selected for construction of the SCI model, and the rats were randomly divided into the blank group, sham group, SCI group, negative control (NC) group, overexpressed miR-124 group and si-PDXK group...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28516360/gilteritinib-a-flt3-axl-inhibitor-shows-antileukemic-activity-in-mouse-models-of-flt3-mutated-acute-myeloid-leukemia
#6
Masamichi Mori, Naoki Kaneko, Yoko Ueno, Masaki Yamada, Ruriko Tanaka, Rika Saito, Itsuro Shimada, Kenichi Mori, Sadao Kuromitsu
Advances in the understanding of the molecular basis for acute myeloid leukemia (AML) have generated new potential targets for treatment. Fms-like tyrosine kinase 3 (FLT3) is one of the most frequently mutated genes in AML and mutations in this gene are associated with poor overall survival. AXL plays a role in the activation of FLT3 and has been implicated in the pathogenesis of AML. The studies reported here evaluated the ability of a novel FLT3/AXL inhibitor, gilteritinib, to block mutated FLT3 in cellular and animal models of AML...
May 17, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28511686/intrathymic-injection-of-hematopoietic-progenitor-cells-establishes-functional-t-cell-development-in-a-mouse-model-of-severe-combined-immunodeficiency
#7
Andrea Z Tuckett, Raymond H Thornton, Richard J O'Reilly, Marcel R M van den Brink, Johannes L Zakrzewski
BACKGROUND: Even though hematopoietic stem cell transplantation can be curative in patients with severe combined immunodeficiency, there is a need for additional strategies boosting T cell immunity in individuals suffering from genetic disorders of lymphoid development. Here we show that image-guided intrathymic injection of hematopoietic stem and progenitor cells in NOD-scid IL2rγ(null) mice is feasible and facilitates the generation of functional T cells conferring protective immunity...
May 16, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28504666/conditioning-regimens-for-allogeneic-hematopoietic-stem-cell-transplants-in-acute-myeloid-leukemia
#8
REVIEW
Y S Jethava, S Sica, B Savani, F Socola, M Jagasia, M Mohty, A Nagler, A Bacigalupo
AML is currently the first indication for allogeneic hematopoietic stem cell transplantation (allo-HSCT), as shown by international transplant registries. The conditioning regimens are classified as myeloablative conditioning, non-myeloablative or reduced intensity conditioning. Targeted radioimmunotherapy such as anti-CD45 antibody have also been added to the conditioning regimen in an attempt to improve tumor cell kill. Refinement of standard regimens has led to a reduction of non-relapse mortality, also in the older age group over 60 or 70 years of age...
May 15, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28496198/bone-forming-peptide-2-derived-from-bmp-7-enhances-osteoblast-differentiation-from-multipotent-bone-marrow-stromal-cells-and-bone-formation
#9
Hyung Keun Kim, Jun Sik Lee, Ji Hyun Kim, Jong Keun Seon, Kyung Soon Park, Myung Ho Jeong, Taek Rim Yoon
Strategies for efficient osteogenic differentiation and bone formation from stem cells would have clinical applications in treating nonunion fracture healing. Many researchers have attempted to develop adjuvants as specific stimulators of bone formation for therapeutic use in patients with bone resorption. Therefore, development of specific stimulators of bone formation has therapeutic significance in the treatment of osteoporosis. To date, investigations of the mature forms of bone morphogenetic proteins (BMPs) have focused on regulation of bone generation...
May 12, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28494265/intramyocardial-fate-and-effect-of-iron-nanoparticles-co-injected-with-macs-%C3%A2-purified-stem-cell-products
#10
Paula Müller, Ralf Gaebel, Heiko Lemcke, Frank Wiekhorst, Frauke Hausburg, Cajetan Lang, Nicole Zarniko, Bernd Westphal, Gustav Steinhoff, Robert David
BACKGROUND: Magnetic activated cell sorting (MACS(®)) is routinely used to isolate stem cell subpopulations intended for the treatment of cardiovascular diseases. In strong contrast, studies examining the amount, effect and intramyocardial distribution of iron nanoparticles used for magnetic cell labelling are missing, although iron excess can cause functional disorders in the heart. METHODS AND RESULTS: CD133(+) haematopoietic and CD271(+) mesenchymal stem cells were purified from bone marrow using automatically and manually MACS(®) based systems...
May 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/28489338/regulatory-t-cells-promote-natural-killer-cell-education-in-mixed-chimeras
#11
Benedikt Mahr, Nina Pilat, Svenja Maschke, Nicolas Granofszky, Christoph Schwarz, Lukas Unger, Karin Hock, Andreas M Farkas, Christoph Klaus, Heinz Regele, Thomas Wekerle
Therapeutic administration of regulatory T cells (Tregs) leads to engraftment of conventional doses of allogeneic bone marrow (BM) in non-irradiated recipient mice conditioned with costimulation blockade and mTOR inhibition. The mode of action responsible for this Treg effect is poorly understood but may encompass the control of costimulation blockade-resistant natural killer (NK) cells. We show that transient NK cell depletion at the time of BM transplantation (BMT) led to BM engraftment and persistent chimerism without Treg transfer, but failed to induce skin graft tolerance...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28487522/hematopoietic-deficiency-of-mir-223-attenuates-thrombosis-in-response-to-photochemical-injury-in-mice
#12
Hui Wang, Qian Wang, Kyle Kleiman, Chiao Guo, Daniel T Eitzman
Some studies have shown that levels of MicroRNA (miR)-223 derived from platelets in the plasma are reduced following inhibition of platelet function, while others have shown a correlation between low plasma miR-223 and high on-treatment platelet reactivity. The present study seeks to investigate the role of miR-223 in arterial thrombosis. A model of photochemical-induced carotid thrombosis was applied to miR-223 deficient mice and littermate (WT) controls. Mice deficient in miR-223 exhibited significantly prolonged times to occlusive thrombosis compared to WT mice indicating a protective effect of miR-223 deficiency...
May 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28483374/-18-f-fdg-pet-ct-in-the-clinical-management-of-patients-with-lymphoma
#13
P Tamayo, A Martín, L Díaz, M Cabrero, R García, P García-Talavera, D Caballero
The aim of this work was to review the current recommendations for staging and response assessment of patients with Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL) in routine clinical practice after chemotherapy and/or stem cell transplantation. A five-point scale (5-PS) from the First International Workshop on PET in Lymphoma in Deauville, France, in 2009, was recommended as the standard tool to score imaging to assess treatment response in patients with lymphoma using (18)F-Fluorodeoxyglucose (FDG) PET/CT...
May 5, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28481220/mrna-mediated-glycoengineering-ameliorates-deficient-homing-of-human-stem-cell-derived-hematopoietic-progenitors
#14
Jungmin Lee, Brad Dykstra, Joel A Spencer, Laurie L Kenney, Dale L Greiner, Leonard D Shultz, Michael A Brehm, Charles P Lin, Robert Sackstein, Derrick J Rossi
Generation of functional hematopoietic stem and progenitor cells (HSPCs) from human pluripotent stem cells (PSCs) has been a long-sought-after goal for use in hematopoietic cell production, disease modeling, and eventually transplantation medicine. Homing of HSPCs from bloodstream to bone marrow (BM) is an important aspect of HSPC biology that has remained unaddressed in efforts to derive functional HSPCs from human PSCs. We have therefore examined the BM homing properties of human induced pluripotent stem cell-derived HSPCs (hiPS-HSPCs)...
May 8, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28464040/pulsed-lavage-cleansing-of-osteochondral-grafts-depends-on-lavage-duration-flow-intensity-and-graft-storage-condition
#15
Yang Sun, Weibo Jiang, Esther Cory, Jason P Caffrey, Felix H Hsu, Albert C Chen, Jincheng Wang, Robert L Sah, William D Bugbee
INTRODUCTION: Osteochondral allograft (OCA) transplantation is generally effective for treating large cartilage lesions. Cleansing OCA subchondral bone to remove donor marrow elements is typically performed with pulsed lavage. However, the effects of clinical and experimental parameters on OCA marrow removal by pulsed lavage are unknown. The aim of the current study was to determine the effects on marrow cleansing in human osteochondral cores (OCs) of (1) lavage duration, (2) lavage flow intensity, and (3) OC sample type and storage condition...
2017: PloS One
https://www.readbyqxmd.com/read/28455312/administration-of-rankl-boosts-thymic-regeneration-upon-bone-marrow-transplantation
#16
Noella Lopes, Hortense Vachon, Julien Marie, Magali Irla
Cytoablative treatments lead to severe damages on thymic epithelial cells (TECs), which result in delayed de novo thymopoiesis and a prolonged period of T-cell immunodeficiency. Understanding the mechanisms that govern thymic regeneration is of paramount interest for the recovery of a functional immune system notably after bone marrow transplantation (BMT). Here, we show that RANK ligand (RANKL) is upregulated in CD4(+) thymocytes and lymphoid tissue inducer (LTi) cells during the early phase of thymic regeneration...
April 28, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28451418/southwestern-oncology-group-pretreatment-risk-criteria-as-predictive-or-prognostic-factors-in-acute-myeloid-leukemia
#17
Ana Espirito Santo, Sergio Chacim, Isabel Ferreira, Luis Leite, Claudia Moreira, Dulcineia Pereira, Margarida Dantas, Marta Nunes, Luisa Viterbo, Ilidia Moreira, Angelo Martins, Isabel Oliveira, Nelson Domingues, Jose Mariz, Rui Medeiros
Acute myeloid leukemia (AML) is a clonal hematological malignant condition and the implications of pretreatment risk criteria as predictive or prognostic factors are constantly under evaluation. With this study, the authors' intent was to characterize AML patients and to evaluate the clinical outcome associated with Southwestern Oncology Group (SWOG) coding pretreatment risk criteria/cytogenetic score. Between 2002 and 2010, 225 patients were diagnosed with AML at the Portuguese Institute of Oncology (Porto, Portugal)...
March 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28450183/hematopoietic-stem-cell-transplant-activity-in-pediatric-cancer-between-2008-and-2014-in-the-united-states-a-cibmtr-report
#18
Pooja Khandelwal, Heather R Millard, Elizabeth Thiel, Hisham Abdel-Azim, Allistair A Abraham, Jeffery J Auletta, Farid Boulad, Valerie I Brown, Bruce M Camitta, Ka Wah Chan, Sonali Chaudhury, Morton J Cowan, Miguel Angel-Diaz, Shahinaz M Gadalla, Robert Peter Gale, Gregory Hale, Kimberly A Kasow, Amy K Keating, Carrie L Kitko, Margaret L MacMillan, Richard F Olsson, Kristin M Page, Adriana Seber, Angela R Smith, Anne B Warwick, Baldeep Wirk, Parinda A Mehta
This CIBMTR report describes the use of hematopoietic stem cell transplantation (HSCT) in 4408 pediatric patients with cancer undergoing allogeneic (allo) and 3076 undergoing autologous (auto) HSCT in the United States between 2008 and 2014. In both settings, there was a greater proportion of males (n=4327; 57%), children<10 years of age (n=4412; 59%), Caucasians (n=5787; 77%) and children with a performance score ≥ 90% at HSCT (n=6187; 83%). Leukemia was the most common indication for an allo-transplant (n=4170; 94%), and among these, acute lymphoblastic leukemia (ALL) in second complete remission (n=829; 20%) and acute myeloid leukemia in first complete remission (n=800; 19%) were the most common...
April 24, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28447572/effects-of-bone-marrow-derived-msc-transplantation-on-functional-recovery-in-a-rat-model-of-spinal-cord-injury-comparisons-of-transplant-locations-and-cell-concentrations
#19
Jessica J Matyas, Andrew N Stewart, Allison Goldsmith, Zhenhong Nan, Reid L Skeel, Julien Rossignol, Gary L Dunbar
Spinal cord injury (SCI) is a widely disabling condition, constraining those affected by it to wheelchairs and requiring intense daily care and assistance. Cell replacement therapies, targeting regeneration of cells in the injured cord, are currently gaining momentum in the field of SCI research. Previous studies indicate that mesenchymal stem cells (MSCs) can reduce functional deficits through immunomodulation and production of trophic factors in a variety of neurological disorders. The present study assessed the efficacy of transplanted bone marrow-derived MSCs at different concentrations and locations for promoting functional recovery following SCI...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28439086/quality-and-freshness-of-human-bone-marrow-derived-mesenchymal-stem-cells-decrease-over-time-after-trypsinization-and-storage-in-phosphate-buffered-saline
#20
Tae Hwan Shin, Seungah Lee, Ki Ryung Choi, Da Yeon Lee, Yongman Kim, Man Jeong Paik, Chan Seo, Seok Kang, Moon Suk Jin, Tae Hyeon Yoo, Seong Ho Kang, Gwang Lee
Human bone marrow-derived mesenchymal stem cells (hBM-MSCs) have been studied for their therapeutic potential. However, evaluating the quality of hBM-MSCs before transplantation remains a challenge. We addressed this issue in the present study by investigating deformation, the expression of genes related to reactive oxygen species (ROS) generation, changes in amino acid profiles, and membrane fluidity in hBM-MSCs. Deformability and cell size were decreased after storage for 6 and 12 h, respectively, in phosphate-buffered saline...
April 24, 2017: Scientific Reports
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