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Veterinary stem cell

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https://www.readbyqxmd.com/read/27729913/utility-of-a-mouse-model-of-osteoarthritis-to-demonstrate-cartilage-protection-by-ifn%C3%AE-primed-equine-mesenchymal-stem-cells
#1
Marie Maumus, Gautier Roussignol, Karine Toupet, Geraldine Penarier, Isabelle Bentz, Sandrine Teixeira, Didier Oustric, Mireille Jung, Olivier Lepage, Regis Steinberg, Christian Jorgensen, Danièle Noel
OBJECTIVE: Mesenchymal stem cells isolated from adipose tissue (ASC) have been shown to influence the course of osteoarthritis (OA) in different animal models and are promising in veterinary medicine for horses involved in competitive sport. The aim of this study was to characterize equine ASCs (eASCs) and investigate the role of interferon-gamma (IFNγ)-priming on their therapeutic effect in a murine model of OA, which could be relevant to equine OA. METHODS: ASC were isolated from subcutaneous fat...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27695698/a-prospective-randomized-masked-and-placebo-controlled-efficacy-study-of-intraarticular-allogeneic-adipose-stem-cells-for-the-treatment-of-osteoarthritis-in-dogs
#2
Robert Harman, Kim Carlson, Jamie Gaynor, Scott Gustafson, Sarit Dhupa, Keith Clement, Michael Hoelzler, Tim McCarthy, Pamela Schwartz, Cheryl Adams
Osteoarthritis (OA) is a degenerative joint disease with a high prevalence in dogs. Mesenchymal stem cells (MSCs) have been used to treat humans, dogs, and horses with OA. This report describes a prospective, randomized, blinded, and placebo-controlled clinical efficacy study of intraarticular allogeneic adipose stem cells for the treatment of dogs with OA. Health assessments and measurements of pain and activity impairment were performed at baseline and at selected time points through day 60. The primary outcome variable was the owner Client-Specific Outcome Measurement (CSOM) and secondary measures included veterinary pain on manipulation, veterinary global score, and owner global score...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/27590427/comparison-of-mesenchymal-stem-cells-and-leukocytes-from-large-white-and-g%C3%A3-ttingen-minipigs-clues-for-stem-cell-based-immunomodulatory-therapies
#3
Verónica Álvarez, Francisco-Miguel Sánchez-Margallo, Rebeca Blázquez, Raquel Tarazona, Javier G Casado
The mesenchymal stem cells (MSCs) are one of the most promising cell types for human and veterinary use and their therapeutic effect is associated with their immunomodulatory properties. Farm animal models, such as pigs, have become a valuable tool to evaluate the safety and efficacy of adoptively transferred MSCs in the setting of veterinary medicine. In order to evaluate the immunomodulatory effect of stem cell-based therapies in porcine breeds, a deep analysis and comparison of MSCs and leukocyte subsets are absolutely necessary...
October 15, 2016: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/27575050/autologous-bone-marrow-derived-mesenchymal-stem-cells-modulate-molecular-markers-of-inflammation-in-dogs-with-cruciate-ligament-rupture
#4
Peter Muir, Eric C Hans, Molly Racette, Nicola Volstad, Susannah J Sample, Caitlin Heaton, Gerianne Holzman, Susan L Schaefer, Debra D Bloom, Jason A Bleedorn, Zhengling Hao, Ermias Amene, M Suresh, Peiman Hematti
Mid-substance rupture of the canine cranial cruciate ligament rupture (CR) and associated stifle osteoarthritis (OA) is an important veterinary health problem. CR causes stifle joint instability and contralateral CR often develops. The dog is an important model for human anterior cruciate ligament (ACL) rupture, where rupture of graft repair or the contralateral ACL is also common. This suggests that both genetic and environmental factors may increase ligament rupture risk. We investigated use of bone marrow-derived mesenchymal stem cells (BM-MSCs) to reduce systemic and stifle joint inflammatory responses in dogs with CR...
2016: PloS One
https://www.readbyqxmd.com/read/27520504/mammary-epithelial-cell-hierarchy-in-the-dairy-cow-throughout-lactation
#5
Marie-Hélène Perruchot, Magdalena Arévalo-Turrubiarte, Florence Dufreneix, Laurence Finot, Vanessa Lollivier, Eric Chanat, Frédérique Mayeur, Frédéric Dessauge
The plasticity of the mammary gland relies on adult mammary stem cells (MaSCs) and their progenitors, which give rise to various populations of mammary epithelial cells (MECs). To face global challenges, an in-depth characterization of milk-producing animal mammary gland plasticity is required, to select more sustainable and robust dairy cows. The identification and characterization of MaSC and their progenitors will also provide innovative tools in veterinary/human medicine regarding mammary tissue damage (carcinogenesis, bacterial infections)...
October 1, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27425208/isolation-and-biological-characterization-of-a-novel-type-of-pulmonary-mesenchymal-stem-cells-derived-from-wuzhishan-miniature-pig-embryo
#6
Caiyun Ma, Yu Guo, Hao Liu, Kunfu Wang, Jinjuan Yang, Xiangchen Li, Changqing Liu, Weijun Guan
Pulmonary mesenchymal stem cells (PMSCs) have great potential in lung tissue engineering and represent attractive candidates for disease treatment in human and veterinary research. However, a reliable method for isolation and localization of porcine PMSCs in situ is still uncertain. In this study, we successfully isolated PMSCs from Wuzhishan miniature pig embryos in vitro and also attempted to unravel its fundamental differentiation potential and biological characteristics. The isolated PMSCs, which could be cultured and passaged for at least 15 passages, exhibited a typical fibroblast-like morphology and high proliferative potential...
October 2016: Cell Biology International
https://www.readbyqxmd.com/read/27379197/advances-in-the-use-of-stem-cells-in-veterinary-medicine-from-basic-research-to-clinical-practice
#7
REVIEW
Melissa Medeiros Markoski
Today, several veterinary diseases may be treated with the administration of stem cells. This is possible because these cells present a high therapeutic potential and may be injected as autologous or allogenic, freshly isolated, or previously cultured. The literature supports that the process is safe and brings considerable benefits to animal health. Knowledge about how adult stem cells modulate the molecular signals to activate cell homing has also been increasingly determined, evidencing the mechanisms which enable cells to repair and regenerate injured tissues...
2016: Scientifica
https://www.readbyqxmd.com/read/27066769/concise-review-stem-cell-trials-using-companion-animal-disease-models
#8
Andrew M Hoffman, Steven W Dow
Studies to evaluate the therapeutic potential of stem cells in humans would benefit from more realistic animal models. In veterinary medicine, companion animals naturally develop many diseases that resemble human conditions, therefore, representing a novel source of preclinical models. To understand how companion animal disease models are being studied for this purpose, we reviewed the literature between 2008 and 2015 for reports on stem cell therapies in dogs and cats, excluding laboratory animals, induced disease models, cancer, and case reports...
July 2016: Stem Cells
https://www.readbyqxmd.com/read/26943922/-cancer-stem-cells-as-the-therapeutic-target-of-tomorrow
#9
Jiří Hatina
The concept of hierarchical organization of tumour cell population, with cancer stem cells positioned at the apex of the cell hierarchy, can explain at least some crucial aspects of biological and clinical behaviour of cancer, like its propensity to relapse as well as the development of therapeutic resistance. The underlying biological properties of cancer stem cells are crucially dependent on various signals, inhibition of which provides an attractive opportunity to attack pharmacologically cancer stem cells...
March 4, 2016: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/26771353/equine-induced-pluripotent-stem-cells-retain-lineage-commitment-toward-myogenic-and-chondrogenic-fates
#10
Mattia Quattrocelli, Giorgia Giacomazzi, Sarah Y Broeckx, Liesbeth Ceelen, Selin Bolca, Jan H Spaas, Maurilio Sampaolesi
Induced pluripotent stem cells (iPSCs) hold great potential not only for human but also for veterinary purposes. The equine industry must often deal with health issues concerning muscle and cartilage, where comprehensive regenerative strategies are still missing. In this regard, a still open question is whether equine iPSCs differentiate toward muscle and cartilage, and whether donor cell type influences their differentiation potential. We addressed these questions through an isogenic system of equine iPSCs obtained from myogenic mesoangioblasts (MAB-iPSCs) and chondrogenic mesenchymal stem cells (MSC-iPSCs)...
January 12, 2016: Stem Cell Reports
https://www.readbyqxmd.com/read/26757735/tenogenic-induction-of-equine-mesenchymal-stem-cells-by-means-of-growth-factors-and-low-level-laser-technology
#11
Chiara Gomiero, Giulia Bertolutti, Tiziana Martinello, Nathalie Van Bruaene, Sarah Y Broeckx, Marco Patruno, Jan H Spaas
Tendons regenerate poorly due to a dense extracellular matrix and low cellularity. Cellular therapies aim to improve tendon repair using mesenchymal stem cells and tenocytes; however, a current limitation is the low proliferative potential of tenocytes in cases of severe trauma. The purpose of this study was to develop a method useful in veterinary medicine to improve the differentiation of Peripheral Blood equine mesenchymal stem cells (PB-MSCs) into tenocytes. PB-MSCs were used to study the effects of the addition of some growth factors (GFs) as TGFβ3 (transforming growth factor), EGF2 (Epidermal growth factor), bFGF2 (Fibroblast growth factor) and IGF-1 (insulin-like growth factor) in presence or without Low Level Laser Technology (LLLT) on the mRNA expression levels of genes important in the tenogenic induction as Early Growth Response Protein-1 (EGR1), Tenascin (TNC) and Decorin (DCN)...
March 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26621591/derivation-of-equine-induced-pluripotent-stem-cell-lines-using-a-piggybac-transposon-delivery-system-and-temporal-control-of-transgene-expression
#12
Kristina Nagy, Andras Nagy
The discovery of induced pluripotent stem cells (iPSCs) has had a transforming effect on our understanding of biology and has brought an enormous promise to regenerative medicine. It has opened up a magnitude of unprecedented possibilities to study disease processes in vitro, model them in animal systems, and develop patient-specific cell-based regenerative therapies. iPSCs derived from other than the human species will be instrumental for bringing these prospects to fruition by providing preclinical models and novel treatments for veterinary medicine...
2015: Methods in Molecular Biology
https://www.readbyqxmd.com/read/26611913/cryopreservation-of-equine-mesenchymal-stem-cells-in-95-autologous-serum-and-5-dmso-does-not-alter-post-thaw-growth-or-morphology-in-vitro-compared-to-fetal-bovine-serum-or-allogeneic-serum-at-20-or-95-and-dmso-at-10-or-5
#13
COMPARATIVE STUDY
Alexis Mitchell, Kristen A Rivas, Roger Smith, Ashlee E Watts
INTRODUCTION: Equine superficial digital flexor tendon injury is a well-accepted model of human tendon injury and is routinely treated with local injections of autologous mesenchymal stem cells (MSCs). Identification of a clinically safe medium for short-term cryopreservation of MSCs prior to cell implantation would streamline laboratory and clinical procedures for autologous regenerative therapies. Veterinary experience with short-term (MSCs prepared after the injury has occurred) cryopreserved MSCs in naturally occurring injury in the horse will be of value to human practitioners...
2015: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/26577474/morphological-variations-in-the-canine-canis-familiaris-right-ventricle-trabecula-septomarginalis-dextra-and-a-proposed-classification-scheme
#14
L A Cope
The trabecula septomarginalis dextra is a structure routinely mentioned in veterinary anatomy. While there are several studies on the morphology of this structure in select animal species, there are some characteristics that are not adequately described. The purpose of this study was to describe and classify this trabecula in the domestic dog using the number of branches that insert onto the ventricular free wall. In the 39 examined hearts, 17.95% were single stranded (type I) and 2.56% were y-shaped (IA). Then, 28...
November 18, 2015: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/26526523/mechanisms-of-tumour-resistance-against-chemotherapeutic-agents-in-veterinary-oncology
#15
REVIEW
R Klopfleisch, B Kohn, A D Gruber
Several classes of chemotherapy drugs are used as first line or adjuvant treatment of the majority of tumour types in veterinary oncology. However, some types of tumour are intrinsically resistant to several anti-cancer drugs, and others, while initially sensitive, acquire resistance during treatment. Chemotherapy often significantly prolongs survival or disease free interval, but is not curative. The exact mechanisms behind intrinsic and acquired chemotherapy resistance are unknown for most animal tumours, but there is increasing knowledge on the mechanisms of drug resistance in humans and a few reports on molecular changes in resistant canine tumours have emerged...
January 2016: Veterinary Journal
https://www.readbyqxmd.com/read/26526521/safety-and-efficacy-of-allogeneic-adipose-tissue-derived-mesenchymal-stem-cells-for-treatment-of-dogs-with-inflammatory-bowel-disease-endoscopic-and-histological-outcomes
#16
E M Pérez-Merino, J M Usón-Casaús, J Duque-Carrasco, C Zaragoza-Bayle, L Mariñas-Pardo, M Hermida-Prieto, M Vilafranca-Compte, R Barrera-Chacón, M Gualtieri
Systemic administration of mesenchymal stem cells (MSCs) has been shown to be safe and efficacious in humans with Crohn's disease. The aim of this study was to evaluate the safety of an intravenous (IV) infusion of adipose tissue-derived mesenchymal stem cells (ASCs) and to assess macroscopic and histological effects in the digestive tract of dogs with inflammatory bowel disease (IBD). Eleven dogs with confirmed IBD received a single ASC infusion (2 × 10(6) cells/kg bodyweight). Full digestive endoscopic evaluation was performed pre-treatment and between 90 and 120 days post-treatment with mucosal changes being assessed using a fit-for-purpose endoscopic scale...
December 2015: Veterinary Journal
https://www.readbyqxmd.com/read/26467221/an-in-vitro-investigation-of-platelet-rich-plasma-gel-as-a-cell-and-growth-factor-delivery-vehicle-for-tissue-engineering
#17
Jagoda M Jalowiec, Matteo D'Este, Jennifer Jane Bara, Jessica Denom, Ursula Menzel, Mauro Alini, Sophie Verrier, Marietta Herrmann
Platelet-rich plasma (PRP) has been used for different applications in human and veterinary medicine. Many studies have shown promising therapeutic effects of PRP; however, there are still many controversies regarding its composition, properties, and clinical efficacy. The aim of this study was to evaluate the influence of different platelet concentrations on the rheological properties and growth factor (GF) release profile of PRP-gels. In addition, the viability of incorporated bone marrow-derived human mesenchymal stem cells (MSCs) was investigated...
January 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/26392889/canine-adipose-derived-stromal-cell-viability-following-exposure-to-synovial-fluid-from-osteoarthritic-joints
#18
Kristina M Kiefer, Timothy D O'Brien, Elizabeth G Pluhar, Michael Conzemius
INTRODUCTION: Stem cell therapy used in clinical application of osteoarthritis in veterinary medicine typically involves intra-articular injection of the cells, however the effect of an osteoarthritic environment on the fate of the cells has not been investigated. AIMS AND OBJECTIVES: Assess the viability of adipose derived stromal cells following exposure to osteoarthritic joint fluid. MATERIALS AND METHODS: Adipose derived stromal cells (ASCs) were derived from falciform adipose tissue of five adult dogs, and osteoarthritic synovial fluid (SF) was obtained from ten patients undergoing surgical intervention on orthopedic diseases with secondary osteoarthritis...
2015: Veterinary Record Open
https://www.readbyqxmd.com/read/26369765/-regulatory-requirements-regarding-cell-based-medicinal-products-for-human-and-veterinary-use-a-comparison
#19
REVIEW
Johanna Kuhlmann-Gottke, Karin Duchow
At present, there is no separate regulatory framework for cell-based medicinal products (CBMP) for veterinary use at the European or German level. Current European and national regulations exclusively apply to the corresponding medicinal products for human use. An increasing number of requests for the regulatory classification of CBMP for veterinary use, such as allogeneic stem cell preparations and dendritic cell-based autologous tumour vaccines, and a rise in scientific advice for companies developing these products, illustrate the need for adequate legislation...
November 2015: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/26317294/-intra-articular-reinforcement-of-a-partially-torn-anterior-cruciate-ligament-acl-using-newly-developed-uhmwpe-biomaterial-in-combination-with-hexalon-acl-pcl-screws-ex-vivo-mechanical-testing-of-an-animal-knee-model
#20
P Fedorová, R Srnec, J Pěnčík, M Dvořák, M Krbec, A Nečas
PURPOSE OF THE STUDY Recent trends in the experimental surgical management of a partial anterior cruciate ligament (ACL) rupture in animals show repair of an ACL lesion using novel biomaterials both for biomechanical reinforcement of a partially unstable knee and as suitable scaffolds for bone marrow stem cell therapy in a partial ACL tear. The study deals with mechanical testing of the newly developed ultra-high-molecular-weight polyethylene (UHMWPE) biomaterial anchored to bone with Hexalon biodegradable ACL/PCL screws, as a new possibility of intra-articular reinforcement of a partial ACL tear...
2015: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
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