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Bone marrow stromal cells

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https://www.readbyqxmd.com/read/28320116/in-vitro-non-viral-murine-pro-neurotrophin-3-gene-transfer-into-rat-bone-marrow-stromal-cells
#1
Shahram Darabi, Taki Tiraihi, AliReza Delshad, Majid Sadeghizadeh, Wisam Khalil, Taher Taheri
Neurotrophin 3 (NT-3) is an important factor for promoting prenatal neural development, as well as regeneration, axogenesis and plasticity in postnatal life. Therapy with NT-3 was reported to improve the condition of patients suffering from degenerative diseases and traumatic injuries, however, the disadvantage of NT-3 protein delivery is its short half-life, thus our alternative approach is the use of NT-3 gene therapy. In this study, the bone marrow stromal cells (BMSCs) were isolated from adult rats, cultured for 4 passages and transfected with either pEGFP-N1 or a constructed vector containing murine proNT-3 (pSecTag2/HygroB-murine proNT-3) using Lipofectamine 2000 followed by Hygromycin B (200mg/kg)...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319044/fibroblastic-niches-prime-t-cell-alloimmunity-through-delta-like-notch-ligands
#2
Jooho Chung, Christen L Ebens, Eric Perkey, Vedran Radojcic, Ute Koch, Leonardo Scarpellino, Alexander Tong, Frederick Allen, Sherri Wood, Jiane Feng, Ann Friedman, David Granadier, Ivy T Tran, Qian Chai, Lucas Onder, Minhong Yan, Pavan Reddy, Bruce R Blazar, Alex Y Huang, Todd V Brennan, D Keith Bishop, Burkhard Ludewig, Christian W Siebel, Freddy Radtke, Sanjiv A Luther, Ivan Maillard
Alloimmune T cell responses induce graft-versus-host disease (GVHD), a serious complication of allogeneic bone marrow transplantation (allo-BMT). Although Notch signaling mediated by Delta-like 1/4 (DLL1/4) Notch ligands has emerged as a major regulator of GVHD pathogenesis, little is known about the timing of essential Notch signals and the cellular source of Notch ligands after allo-BMT. Here, we have shown that critical DLL1/4-mediated Notch signals are delivered to donor T cells during a short 48-hour window after transplantation in a mouse allo-BMT model...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28318921/influence-of-tgf-%C3%AE-1-on-tumor-transition-in-oral-cancer-cell-and-bmsc-co-cultures
#3
F Böhrnsen, F Godek, J Kiesel, F J Kramer, P Brockmeyer, H Schliephake
OBJECTIVES: TGF-β1 signaling modulates epithelial mesenchymal transitions (EMT) of head and neck squamous cell carcinoma (HNSCC). Bone marrow mesenchymal stromal cells (BMSC) are able to exert a regulating influence on the expression of markers of EMT in HNSCC cells. It was thus the aim of this study to test the hypothesis that TGF-β1 modulates the interactions of tumor transition between BMSCs and HNSCC, affecting the expression of E-cadherin, Vimentin, Snail, Twist, MMP14 and beta-catenin...
February 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28316120/synergistic-effects-of-g-csf-and-bone-marrow-stromal-cells-on-nerve-regeneration-with-acellular-nerve-xenografts
#4
Hua Jia, Ying Wang, Tao Wang, Yi Dong, Wei-Li Li, Jun-Ping Li, Wen-Zhi Ma, Xiao-Jie Tong, Zhong-Yi He
Peripheral nerve defects result in severe denervation presenting sensory and motor functional incapacitation. Currently, a satisfactory therapeutic treatment promoting the repair of injured nerves is not available. As shown in our previous study, acellular nerve xenografts (ANX) implanted with bone marrow stromal cells (BMSCs) replaced allografts and promoted nerve regeneration. Additionally, granulocyte-colony stimulating factor (G-CSF) has been proven to mobilize supplemental cells and enhance vascularization in the niche...
March 18, 2017: Synapse
https://www.readbyqxmd.com/read/28315493/an-osteogenesis-angiogenesis-stimulation-artificial-ligament-for-anterior-cruciate-ligament-reconstruction
#5
Hong Li, Jinyan Li, Jia Jiang, Fang Lv, Jiang Chang, Shiyi Chen, Chengtie Wu
To solve the poor healing of polyethylene terephthalate (PET) artificial ligament in bone tunnel, copper-containing bioactive glass (Cu-BG) nanocoatings on PET artificial ligaments were successfully prepared by pulsed laser deposition (PLD). It was hypothesized that Cu-BG coated PET (Cu-BG/PET) grafts could enhance the in vitro osteogenic and angiogenic differentiation of rat bone marrow mesenchymal stem cells (rBMSCs) and in vivo graft-bone healing after anterior cruciate ligament (ACL) reconstruction in a goat model...
March 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28314478/osteoinductive-effects-of-glyceollins-on-adult-mesenchymal-stromal-stem-cells-from-adipose-tissue-and-bone-marrow
#6
Marjorie E Bateman, Amy L Strong, Ryan S Hunter, Melyssa R Bratton, Rajesh Komati, Jayalakshmi Sridhar, Kevin E Riley, Guangdi Wang, Daniel J Hayes, Stephen M Boue, Matthew E Burow, Bruce A Bunnell
BACKGROUND: While current therapies for osteoporosis focus on reducing bone resorption, the development of therapies to regenerate bone may also be beneficial. Promising anabolic therapy candidates include phytoestrogens, such as daidzein, which effectively induce osteogenesis of adipose-derived stromal cells (ASCs) and bone marrow stromal cells (BMSCs). PURPOSE: To investigate the effects of glyceollins, structural derivatives of daidzein, on osteogenesis of ASCs and BMSCs...
April 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28306336/fifty-years-of-research-in-ards-cell-based-therapy-for-ards-biology-and-potential-therapeutic-value
#7
John G Laffey, Michael A Matthay
Based on several pre-clinical studies, cell-based therapy has emerged as a potential new therapeutic for ARDS. Of the various cell-based therapy options, mesenchymal stromal cells (MSCs) from bone marrow, adipose tissue and umbilical cord have the most experimental data to support their potential efficacy for lung injury from both infectious and non-infectious causes. Mechanistically, MSCs exert their beneficial effects by release of paracrine factors, microvesicles, and transfer of mitochondria, all of which have anti-inflammatory and pro-resolving effects on injured lung endothelium and alveolar epithelium, including enhancing the resolution of pulmonary edema by upregulating sodium-dependent alveolar fluid clearance...
March 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28303927/efficient-generation-of-chemically-induced-mesenchymal-stem-cells-from-human-dermal-fibroblasts
#8
Pei-Lun Lai, Hsuan Lin, Shang-Fu Chen, Shang-Chih Yang, Kuo-Hsuan Hung, Ching-Fang Chang, Hsiang-Yi Chang, Frank Leigh Lu, Yi-Hsuan Lee, Yu-Chuan Liu, Hsiao-Chun Huang, Jean Lu
Human mesenchymal stromal/stem cells (MSCs) are multipotent and currently undergoing hundreds of clinical trials for disease treatments. To date, no studies have generated induced MSCs from skin fibroblasts with chemicals or growth factors. Here, we established the first chemical method to convert primary human dermal fibroblasts into multipotent, induced MSC-like cells (iMSCs). The conversion method uses a defined cocktail of small molecules and growth factors, and it can achieve efficient conversion with an average rate of 38% in 6 days...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303319/effect-of-sdf-1-cxcr4-signaling-antagonist-amd3100-on-bone-mineralization-in-distraction-osteogenesis
#9
Jia Xu, Yuanfeng Chen, Yang Liu, Jinfang Zhang, Qinglin Kang, Kiwai Ho, Yimin Chai, Gang Li
Distraction osteogenesis (DO) is a widely applied technique in orthopedics surgery, which involves rapid stem cell migration, homing, and differentiation. Interactions between the chemokine receptor Cxcr4 and its ligand, stromal derived factor-1 (SDF-1), regulate hematopoietic stem cell trafficking to the ischemic area and induce their subsequent differentiation. Here, we examined SDF-1 expression and further investigated the role of SDF-1/Cxcr4 signaling antagonist AMD3100 during bone regeneration in rat DO model...
March 16, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28303154/mesenchymal-stem-cell-administration-in-patients-with-chronic-obstructive-pulmonary-disease-state-of-the-science
#10
REVIEW
Shih-Lung Cheng, Ching-Hsiung Lin, Chao-Ling Yao
Patients with chronic obstructive pulmonary disease (COPD) have chronic, irreversible airway inflammation; currently, there is no effective or curative treatment and the main goals of COPD management are to mitigate symptoms and improve patients' quality of life. Stem cell based therapy offers a promising therapeutic approach that has shown potential in diverse degenerative lung diseases. Preclinical studies have demonstrated encouraging outcomes of mesenchymal stem/stromal cells (MSCs) therapy for lung disorders including emphysema, bronchopulmonary dysplasia, fibrosis, and acute respiratory distress syndrome...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28298930/predicting-the-remaining-lifespan-and-cultivation-related-loss-of-osteogenic-capacity-of-bone-marrow-multipotential-stromal-cells-applicable-across-a-broad-donor-age-range
#11
Sarah M Churchman, Sally A Boxall, Dennis McGonagle, Elena A Jones
Background and Objectives. Culture expanded multipotential stromal cells (MSCs) have considerable potential for bone regeneration therapy but their wider use is constrained by the lack of simple and predictive assays of functional potency. Extended passaging leads to loss of multipotency but speed of decline depends on MSC donor age. The aim of this study was to develop an assay predictive of MSC culture longevity applicable to a broad donor age range. Materials and Methods. Bone marrow (BM, n = 7) was obtained from a diverse range (2-72 years) of healthy donors...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28297581/systemic-delivery-of-bone-marrow-mesenchymal-stem-cells-for-in-situ-intervertebral-disc-regeneration
#12
Carla Cunha, Catarina R Almeida, Maria Inês Almeida, Andreia M Silva, Maria Molinos, Sofia Lamas, Catarina L Pereira, Graciosa Q Teixeira, António T Monteiro, Susana G Santos, Raquel M Gonçalves, Mário A Barbosa
Cell therapies for intervertebral disc (IVD) regeneration presently rely on transplantation of IVD cells or stem cells directly to the lesion site. Still, the harsh IVD environment, with low irrigation and high mechanical stress, challenges cell administration and survival. In this study, we addressed systemic transplantation of allogeneic bone marrow mesenchymal stem cells (MSCs) intravenously into a rat IVD lesion model, exploring tissue regeneration via cell signaling to the lesion site. MSC transplantation was performed 24 hours after injury, in parallel with dermal fibroblasts as a control; 2 weeks after transplantation, animals were killed...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297569/administration-of-adult-human-bone-marrow-derived-cultured-pooled-allogeneic-mesenchymal-stromal-cells-in-critical-limb-ischemia-due-to-buerger-s-disease-phase-ii-study-report-suggests-clinical-efficacy
#13
Pawan K Gupta, Murali Krishna, Anoop Chullikana, Sanjay Desai, Rajkumar Murugesan, Santanu Dutta, Uday Sarkar, Radhakrishnan Raju, Anita Dhar, Rajiv Parakh, Lakshmanan Jeyaseelan, Pachaiyappan Viswanathan, Prasanth Kulapurathu Vellotare, Raviraja N Seetharam, Charan Thej, Mathiyazhagan Rengasamy, Sudha Balasubramanian, Anish S Majumdar
Critical limb ischemia (CLI) due to Buerger's disease is a major unmet medical need with a high incidence of morbidity. This phase II, prospective, nonrandomized, open-label, multicentric, dose-ranging study was conducted to assess the efficacy and safety of i.m. injection of adult human bone marrow-derived, cultured, pooled, allogeneic mesenchymal stromal cells (BMMSC) in CLI due to Buerger's disease. Patients were allocated to three groups: 1 and 2 million cells/kg body weight (36 patients each) and standard of care (SOC) (18 patients)...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28295901/high-aldehyde-dehydrogenase-activity-identifies-a-subset-of-human-mesenchymal-stromal-cells-with-vascular-regenerative-potential
#14
Stephen E Sherman, Miljan Kuljanin, Tyler T Cooper, David M Putman, Gilles A Lajoie, David A Hess
During culture expansion, multipotent mesenchymal stromal cells (MSC) differentially express aldehyde dehydrogenase (ALDH), an intracellular detoxification enzyme that protects long-lived cells against oxidative stress. Thus, MSC selection based on ALDH-activity may be used to reduce heterogeneity and distinguish MSC subsets with improved regenerative potency. After expansion of human bone marrow-derived MSC, cell progeny were purified based on low versus high ALDH-activity by fluorescence activated cell sorting, and each subset was compared for multipotent stromal and pro-vascular regenerative functions...
March 15, 2017: Stem Cells
https://www.readbyqxmd.com/read/28292847/human-umbilical-cord-blood-borne-fibroblasts-contain-marrow-niche-precursors-that-form-a-bone-marrow-organoid-in-vivo
#15
Alice Pievani, Benedetto Sacchetti, Alessandro Corsi, Benedetta Rambaldi, Samantha Donsante, Valeria Scagliotti, Patrizia Vergani, Cristina Remoli, Andrea Biondi, Pamela G Robey, Mara Riminucci, Marta Serafini
Human umbilical cord blood (CB) has attracted much attention as a reservoir for functional hematopoietic stem and progenitor cells, and, recently, as a source of blood-borne fibroblasts (CB-BFs). Previously, we demonstrated that bone marrow stromal cell (BMSC) and CB-BF pellet cultures make cartilage in vitro Furthermore, upon in vivo transplantation, BMSC pellets remodelled into miniature bone/marrow organoids. Using this in vivo model, we asked whether CB-BF populations that express characteristics of the hematopoietic stem cell (HSC) niche contain precursors that reform the niche...
March 15, 2017: Development
https://www.readbyqxmd.com/read/28287644/mesenchymal-stromal-cell-infusion-to-treat-steroid-refractory-acute-gvhd-iii-iv-after-hematopoietic-stem-cell-transplantation
#16
G M Dotoli, G C De Santis, M D Orellana, K de Lima Prata, S R Caruso, T R Fernandes, V A Rensi Colturato, A T Kondo, N Hamerschlak, B P Simões, D T Covas
Acute GvHD (aGvHD) is a life-threatening complication of hematopoietic stem cell transplantation. Frontline therapy for aGvHD consists of corticosteroid administration. However, ∼25% of the patients have a steroid-refractory disease, a sign of poor prognosis. An alternative therapy for steroid-refractory aGvHD is infusion of mesenchymal stromal cells (MSCs). Herein, we report the results of 46 patients treated with MSC infusion as salvage therapy for steroid-refractory aGvHD III/IV (78% grade IV). Patients received a median cumulative dose of MSCs of 6...
March 13, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28286238/the-role-of-the-progressive-ankylosis-protein-ank-in-adipogenic-osteogenic-fate-decision-of-precursor-cells
#17
Takeshi Minashima, Martin Quirno, You Jin Lee, Thorsten Kirsch
The progressive ankylosis protein (ANK) is a transmembrane protein that transports intracellular pyrophosphate (PPi) to the extracellular milieu. In this study we show increased fatty degeneration of the bone marrow of adult ank/ank mice, which lack a functional ANK protein. In addition, isolated bone marrow stromal cells (BMSCs) isolated from ank/ank mice showed a decreased proliferation rate and osteogenic differentiation potential, and an increased adipogenic differentiation potential compared to BMSCs isolated from wild type (WT) littermates...
March 8, 2017: Bone
https://www.readbyqxmd.com/read/28284998/acute-mobilization-and-migration-of-bone-marrow-derived-stem-cells-following-anterior-cruciate-ligament-rupture
#18
Tristan Maerz, Mackenzie Fleischer, Michael D Newton, Abigail Davidson, Meagan Salisbury, Perry Altman, Michael D Kurdziel, Kyle Anderson, Asheesh Bedi, Kevin C Baker
OBJECTIVE: Little is known regarding acute local and systemic processes following anterior cruciate ligament (ACL) rupture. No study has elucidated whether bone marrow-derived mesenchymal stem cells (MSCs) are mobilized into circulation and recruited to the injured joint. METHODS: In part one, Lewis rats were randomized to noninvasive ACL rupture (Rupture) or non-injured (Control) (n=6/group). After 72 hours, whole blood MSC concentration was assessed using flow cytometry...
March 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28283030/impaired-osteogenesis-of-t1dm-bone-marrow-derived-stromal-cells-and-periosteum-derived-cells-and-their-differential-in-vitro-responses-to-growth-factor-rescue
#19
Tera M Filion, Jordan D Skelly, Henry Huang, Dale L Greiner, David C Ayers, Jie Song
BACKGROUND: Poor bone quality, increased fracture risks, and impaired bone healing are orthopedic comorbidities of type 1 diabetes (T1DM). Standard osteogenic growth factor treatments are inadequate in fully rescuing retarded healing of traumatic T1DM long bone injuries where both periosteal and bone marrow niches are disrupted. We test the hypotheses that osteogenesis of bone marrow-derived stromal cells (BMSCs) and periosteum-derived cells (PDCs), two critical skeletal progenitors in long bone healing, are both impaired in T1DM and that they respond differentially to osteogenic bone morphogenetic proteins (BMPs) and/or insulin-like growth factor-1 (IGF-1) rescue...
March 11, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28282510/cxcr4-cd184-expression-on-stem-cell-harvest-and-cd34-cells-post-transplant
#20
Inas Asfour, Hanaa Afify, Shaza Elkourashy, Maryse Ayoub, Gihan Kamal, Mary Gamal, Ghada Elgohary
OBJECTIVES/BACKGROUND: CXCR4 is a receptor for stromal-derived factor-1 (SDF-1), a molecule that has a chemotactic activity for lymphocytes and is important in homing of hematopoietic stem cells to their adult marrow. We evaluated the CXCR4 (CD184) expression in the harvest cells and in the post-transplant bone marrow (BM) and its relation to engraftment, as determined by the consensus criteria and chimerism. METHODS: This is a prospective study which included 30 patients undergoing hematopoietic stem cell transplantation; 15 patients received autograft and 15 patients received allograft on dates between January 2012 and May 2014...
March 2, 2017: Hematology/oncology and Stem Cell Therapy
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