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Bone marrow derived stem cells

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https://www.readbyqxmd.com/read/28339869/alcohol-induces-cellular-senescence-and-impairs-osteogenic-potential-in-bone-marrow-derived-mesenchymal-stem-cells
#1
Xi Chen, Mao Li, Jinku Yan, Tao Liu, Guoqing Pan, Huilin Yang, Ming Pei, Fan He
Aims: Chronic and excessive alcohol consumption is a high-risk factor for osteoporosis. Bone marrow-derived mesenchymal stem cells (BM-MSCs) play an important role in bone formation; however, they are vulnerable to ethanol (EtOH). The purpose of this research was to investigate whether EtOH could induce premature senescence in BM-MSCs and subsequently impair their osteogenic potential. Methods: Human BM-MSCs were exposed to EtOH ranging from 10 to 250 mM. Senescence-associated β-galactosidase (SA-β-gal) activity, cell cycle distribution, cell proliferation and reactive oxygen species (ROS) were evaluated...
February 25, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
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
#2
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...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28337463/skin-tissue-engineering-application-of-adipose-derived-stem-cells
#3
REVIEW
Agnes S Klar, Jakub Zimoch, Thomas Biedermann
Perception of the adipose tissue has changed dramatically over the last few decades. Identification of adipose-derived stem cells (ASCs) ultimately transformed paradigm of this tissue from a passive energy depot into a promising stem cell source with properties of self-renewal and multipotential differentiation. As compared to bone marrow-derived stem cells (BMSCs), ASCs are more easily accessible and their isolation yields higher amount of stem cells. Therefore, the ASCs are of high interest for stem cell-based therapies and skin tissue engineering...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337218/effect-of-transplantation-of-bone-marrow-derived-mesenchymal-stem-cells-and-platelets-rich-plasma-on-experimental-model-of-radiation-induced-oral-mucosal-injury-in-albino-rats
#4
Basma Elsaadany, Samar El Kholy, Dalia El Rouby, Laila Rashed, Tarek Shouman
Normal tissue damage following radiotherapy is still a major problem in cancer treatment. Therefore, the current work aimed at exploring the possible role of systemically injected bone marrow derived mesenchymal stem cells (BM-MSCs) and/or locally injected platelet rich plasma (PRP) in ameliorating the side effects of ionizing radiation on the rat's tongue. Twelve rats served as control group (N) and 48 rats received a single radiation dose of 13 Gy to the head and neck region; then, they were equally divided into 4 experimental groups: irradiated only (C), irradiated + MSCs (S), irradiated + (PRP) (P), and combined group (PS)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28336524/dual-roles-for-bone-marrow-derived-sca-1-cells-in-cardiac-function
#5
Stephanie W Tobin, Shu-Hong Li, Jiao Li, Jun Wu, Azadeh Yeganeh, Pan Yu, Richard D Weisel, Ren-Ke Li
Recruitment of stem cells from the bone marrow (BM) is an important aspect of cardiac healing that becomes inefficient with age. We investigated the role of young stem cell antigen 1 (Sca-1)-positive BM cells on the aged heart by microarray analysis after BM reconstitution. Sca-1(+) and Sca-1(-) BM cells from young green fluorescent protein (GFP)-positive mice were used to reconstitute the BM of aged mice. Myocardial infarction (MI) was induced 3 mo later. GFP(+) cells were more abundant in the BM, blood, and heart of Sca-1(+) mice, which corresponded to preserved cardiac function after MI...
March 23, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28335232/the-influence-of-modified-silica-nanomaterials-on-adult-stem-cell-culture
#6
Luigi Tarpani, Francesco Morena, Marta Gambucci, Giulia Zampini, Giuseppina Massaro, Chiara Argentati, Carla Emiliani, Sabata Martino, Loredana Latterini
The preparation of tailored nanomaterials able to support cell growth and viability is mandatory for tissue engineering applications. In the present work, silica nanoparticles were prepared by a sol-gel procedure and were then functionalized by condensation of amino groups and by adsorption of silver nanoparticles. Transmission electron microscopy (TEM) imaging was used to establish the morphology and the average dimensions of about 130 nm, which were not affected by the functionalization. The three silica samples were deposited (1 mg/mL) on cover glasses, which were used as a substrate to culture adult human bone marrow-mesenchymal stem cells (hBM-MSCs) and human adipose-derived stem cells (hASCs)...
June 4, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333899/-stem-progenitor-cells-in-diseases-of-the-respiratory-tract
#7
EDITORIAL
Tadeusz Płusa
Stem cells (SCs - stem cells) are characterized by plasticity and the ability to differentiate into other cell types. They are obtained from bone marrow, peripheral blood and cord blood. Mesenchymal stem cells (MSCs) shows a broad immunomodulating, increases the number of regulatory T cells (Treg), modifies the activity of T cells, dendritic cells and NK (natural killer). Direct impact on reducing the release of proinflammatory cytokines and increased release of proinflammatory cytokines. Within the respiratory tract has a number of resident stem and progenitor cells referred to as L-MSCs (lung mesenchymal stem cells) whose presence was confirmed by markers as defined in the trachea, epithelial cells and alveolar...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28330488/cigarette-smoke-challenges-bone-marrow-mesenchymal-stem-cell-capacities-in-guinea-pig
#8
Olga Tura-Ceide, Borja Lobo, Tanja Paul, Raquel Puig-Pey, Núria Coll-Bonfill, Jéssica García-Lucio, Valérie Smolders, Isabel Blanco, Joan A Barberà, Víctor I Peinado
BACKGROUND: Cigarette smoke (CS) is associated with lower numbers of circulating stem cells and might severely affect their mobilization, trafficking and homing. Our study was designed to demonstrate in an animal model of CS exposure whether CS affects the homing and functional capabilities of bone marrow-derived mesenchymal stem cells (BM-MSCs). METHODS: Guinea pigs (GP), exposed or sham-exposed to CS, were administered via tracheal instillation or by vascular administration with 2...
March 23, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28328977/jmjd3-aids-in-reprogramming-of-bone-marrow-progenitor-cells-to-hepatic-phenotype-through-epigenetic-activation-of-hepatic-transcription-factors
#9
Veena Kochat, Zaffar Equbal, Prakash Baligar, Vikash Kumar, Madhulika Srivastava, Asok Mukhopadhyay
The strictly regulated unidirectional differentiation program in some somatic stem/progenitor cells has been found to be modified in the ectopic site (tissue) undergoing regeneration. In these cases, the lineage barrier is crossed by either heterotypic cell fusion or direct differentiation. Though studies have shown the role of coordinated genetic and epigenetic mechanisms in cellular development and differentiation, how the lineage fate of adult bone marrow progenitor cells (BMPCs) is reprogrammed during liver regeneration and whether this lineage switch is stably maintained are not clearly understood...
2017: PloS One
https://www.readbyqxmd.com/read/28328147/effect-of-needle-diameter-on-the-viability-of-equine-bone-marrow-derived-mesenchymal-stem-cells
#10
Hayley M Lang, Lauren V Schnabel, Jennifer M Cassano, Lisa A Fortier
OBJECTIVES: Mesenchymal stem cells (MSCs) are frequently delivered via needle injection for treatment of musculoskeletal injuries. The purpose of this study was to evaluate the effect of needle diameter on the viability of MSCs. METHODS: Equine bone marrow-derived MSCs from 5 horses were suspended in PBS, and held at room temperature for 7 hours to mimic shipping conditions. Two replicate samples for each needle size (20, 22, 23, or 25-gauge [ga]) were aspirated into a 3 mL syringe and re-injected into the holding vial 3 times, to reproduce the resuspension of cells prior to injection in clinical cases...
March 22, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28327460/comprehensive-proteomic-characterization-of-stem-cell-derived-extracellular-matrices
#11
Héloïse Ragelle, Alexandra Naba, Benjamin L Larson, Fangheng Zhou, Miralem Prijić, Charles A Whittaker, Amanda Del Rosario, Robert Langer, Richard O Hynes, Daniel G Anderson
In the stem-cell niche, the extracellular matrix (ECM) serves as a structural support that additionally provides stem cells with signals that contribute to the regulation of stem-cell function, via reciprocal interactions between cells and components of the ECM. Recently, cell-derived ECMs have emerged as in vitro cell culture substrates to better recapitulate the native stem-cell microenvironment outside the body. Significant changes in cell number, morphology and function have been observed when mesenchymal stem cells (MSC) were cultured on ECM substrates as compared to standard tissue-culture polystyrene (TCPS)...
March 7, 2017: Biomaterials
https://www.readbyqxmd.com/read/28326999/nicaraven-a-potential-radioprotective-agent-has-very-limited-effects-on-the-survival-of-cancer-cells-and-the-growth-of-established-tumors
#12
Chen Yan, Lan Luo, Yoshishige Urata, Shinji Goto, Chang-Ying Guo, Tao-Sheng Li
Radiotherapy is one of the major treatment modalities for the management of various cancers, however, it is limited by the severe side effects and complications experienced by some patients. Nicaraven, a chemically synthesized hydroxyl radical-specific scavenger, has been shown to protect normal tissues from radiation-induced injury. We investigated the role of nicaraven in cancer cells and tumor growth. While nicaraven did not significantly change the colony-forming abilities and DNA damage levels in several cancer cell lines after irradiation, it significantly protected mouse bone marrow-derived hematopoietic stem cells from radiation injury...
March 2017: Radiation Research
https://www.readbyqxmd.com/read/28326848/autologous-hematopoietic-stem-cells-for-refractory-crohn-s-disease
#13
C A DiNicola, A Zand, D W Hommes
Autologous hematopoietic stem cells are gaining ground as an effective and safe treatment for treating severe refractory Crohn's disease (CD). Autologous hematopoietic stem cell therapy (AHSCT) induces resetting of the immune system by de novo regeneration of T-cell repertoire and repopulation of epithelial cells by bone-marrow derived cells to help patients achieve clinical and endoscopic remission. Areas covered: Herein, the authors discuss the use of AHSCT in treating patients with CD. Improvements in disease activity have been seen in patients with severe autoimmune disease and patients with severe CD who underwent AHSCT for a concomitant malignant hematological disease...
March 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28326344/osteogenic-stem-cell-selection-for-repair-and-regeneration
#14
Marcus Tillotson, Niall Logan, Peter Brett
The first osteogenic cells to attach to a titanium (Ti) implant after placement are the multipotent stromal cells (MSCs) that circulate in the bloodstream and are recruited to the site of tissue damage. The reservoirs of these cells are heterogeneous in nature, consisting of a mixture of cells with varying differentiation abilities. In order to utilise these cells and to reduce the chance of unwanted events during regenerative therapies, the selection of a subset of cells that is truly multipotent is required...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28326295/role-of-the-cytokine-like-hormone-leptin-in-muscle-bone-crosstalk-with-aging
#15
REVIEW
Mark W Hamrick
The cytokine-like hormone leptin is a classic adipokine that is secreted by adipocytes, increases with weight gain, and decreases with weight loss. Additional studies have, however, shown that leptin is also produced by skeletal muscle, and leptin receptors are abundant in both skeletal muscle and bone-derived mesenchymal (stromal) stem cells. These findings suggest that leptin may play an important role in muscle-bone crosstalk. Leptin treatment in vitro increases the expression of myogenic genes in primary myoblasts, and leptin treatment in vivo increases the expression of microRNAs involved in myogenesis...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28325212/chemokine-receptor-signaling-and-the-hallmarks-of-cancer
#16
R A Lacalle, R Blanco, L Carmona-Rodríguez, A Martín-Leal, E Mira, S Mañes
The chemokines are a family of chemotactic cytokines that mediate their activity by acting on seven-transmembrane-spanning G protein-coupled receptors. Both the ability of the chemokines and their receptors to form homo- and heterodimers and the promiscuity of the chemokine-chemokine receptor interaction endow this protein family with enormous signaling plasticity and complexity that are not fully understood at present. Chemokines were initially identified as essential regulators of homeostatic and inflammatory trafficking of innate and adaptive leucocytes from lymphoid organs to tissues...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28323384/the-effect-of-mg-ca-sr-alloy-degradation-products-on-human-mesenchymal-stem-cells
#17
Ida S Berglund, Elliott W Dirr, Vidhya Ramaswamy, Josephine B Allen, Kyle D Allen, Michele V Manuel
Biodegradable Mg alloys have the potential to replace currently used metallic medical implant devices, likely eliminating toxicity concerns and the need for secondary surgeries, while also providing a potentially stimulating environment for tissue growth. A recently developed Mg-Ca-Sr alloy possesses advantageous characteristics over other Mg alloys, having a good combination of strength and degradation behavior, while also displaying potentially osteogenic properties. To better understand the effect of alloy degradation products on cellular mechanisms, in vitro studies using human bone marrow-derived mesenchymal stem cells were conducted...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28323211/metabolic-pathway-of-4-pyridone-3-carboxamide-1%C3%AE-d-ribonucleoside-and-its-effects-on-cellular-energetics
#18
Iwona Pelikant-Malecka, Ewa Kaniewska-Bednarczuk, Sylwia Szrok, Alicja Sielicka, Maciej Śledziński, Czesława Orlewska, Ryszard T Smolenski, Ewa M Słomińska
4-Pirydone-3-carboxamide-1β-D-ribonucleoside (4PYR) is an endogenous nucleoside that could be converted to triphosphates, diphosphates, monophosphates and an analogue of NAD - 4PYRAD. Elevated level of these compounds were observed in chronic renal failure, cancer and active HIV infection. However, little is known about the effect on cell functionality and the metabolic pathways. This study tested effects of 4PYR in different cell types on nucleotide and energy metabolism and clarified enzymes that are involved in conversions of 4PYR...
March 17, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28322445/transplantation-of-mesenchymal-stem-cells-overexpressing-il10-attenuates-cardiac-impairments-in-rats-with-myocardial-infarction
#19
Xin Meng, Jianping Li, Ming Yu, Jian Yang, Minjuan Zheng, Jinzhou Zhang, Chao Sun, Hongliang Liang, Liwen Liu
Mesenchymal stem cell (MSC) has been well known to exert therapeutic potential for patients with myocardial infarction (MI). In addition, interleukin-10 (IL10) could attenuate MI through suppressing inflammation. Thus, the combination of MSC implantation with IL10 delivery may extend health benefits to ameliorate cardiac injury after MI. Here we established overexpression of IL10 in bone marrow-derived MSC through adenoviral transduction. Cell viability, apoptosis and IL10 secretion under ischemic challenge in vitro were examined...
March 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28322042/differentiation-of-bone-marrow-stem-cells-into-schwann-cells-for-the-promotion-of-neurite-outgrowth-on-electrospun-fibers
#20
Jiajia Xue, Junyu Yang, Deirdre Margaret O'Connor, Chunlei Zhu, Da Huo, Nicholas M Boulis, Younan Xia
Seeding nerve guidance conduits with Schwann cells can improve the outcome of peripheral nerve injury repair. Bone marrow stem cells (BMSCs) represent a good choice of the cell source as they can differentiate into Schwann cells under appropriate conditions. In this work, we systematically investigated the differentiation of BMSCs into Schwann cells on scaffolds comprised of electrospun fibers. We changed the alignment, diameter, and surface properties of the fibers to optimize the differentiation efficiency...
March 21, 2017: ACS Applied Materials & Interfaces
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