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equine stem cell

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https://www.readbyqxmd.com/read/29031416/zinc-silicate-mineral-coated-scaffold-improved-in-vitro-osteogenic-differentiation-of-equine-adipose-derived-mesenchymal-stem-cells
#1
Behnaz Bageshlooyafshar, Saeid Vakilian, Mousa Kehtari, Tarlan Eslami-Arshaghi, Farjad Rafeie, Rouhallah Ramezanifard, Reza Rahchamani, Abdollah Mohammadi-Sangcheshmeh, Yousef Mostafaloo, Ehsan Seyedjafari
In current study we aimed to coat the PLLA scaffold with zinc (Zn) silicate mineral nanoparticles. Then, using equine adipose-derived stem cells (ASCs) we intended to compare the osteogenic induction potency of Zn silicate mineral-coated PLLA scaffold with uncoated PLLA scaffold and tissue culture plastic (TCPS). Adipose tissues were collected from 3 horses, and isolation of ASCs was achieved by enzymatic digestion. PLLA scaffold was successfully prepared using a phase separation method and coated with Zn silicate mineral nanoparticles...
September 18, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29019941/the-contribution-of-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-to-the-treatment-of-chronic-equine-laminitis-a-proof-of-concept
#2
Mario Angelone, Virna Conti, Cristiano Biacca, Beatrice Battaglia, Laura Pecorari, Francesco Piana, Giacomo Gnudi, Fabio Leonardi, Roberto Ramoni, Giuseppina Basini, Silvia Dotti, Sabrina Renzi, Maura Ferrari, Stefano Grolli
Laminitis, a highly debilitating disease of the foot in ungulates, is characterized by pathological changes of the complex lamellar structures that maintain the appendicular skeleton within the hoof. Laminitis is a multifactorial disease that involves perturbation of the vascular, hematological, and inflammatory homeostasis of the foot. Interestingly, the pathogenesis of the disease resembles what is observed in metabolic syndromes and sepsis-induced organ failure in humans and animals. We hypothesized that local administration of mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) might contribute to establishing an anti-inflammatory and pro-angiogenic environment, and could stimulate the injured tissue in order to restore its functional integrity...
October 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28945121/effects-of-autologous-stromal-cells-and-cytokines-on-differentiation-of-equine-bone-marrow-derived-progenitor-cells
#3
Ute E Schwab, Rebecca L Tallmadge, Mary Beth Matychak, M Julia B Felippe
OBJECTIVE To develop an in vitro system for differentiation of equine B cells from bone marrow hematopoietic progenitor cells on the basis of protocols for other species. SAMPLE Bone marrow aspirates aseptically obtained from 12 research horses. PROCEDURES Equine bone marrow CD34(+) cells were sorted by use of magnetic beads and cultured in medium supplemented with cytokines (recombinant human interleukin-7, equine interleukin-7, stem cell factor, and Fms-like tyrosine kinase-3), murine OP9 stromal cell preconditioned medium, and equine fetal bone marrow mesenchymal stromal cell preconditioned medium...
October 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28906588/surface-glycan-pattern-of-canine-equine-and-ovine-bone-marrow-derived-mesenchymal-stem-cells
#4
Salvatore Desantis, Gianluca Accogli, Antonio Crovace, Edda G Francioso, Alberto Maria Crovace
The use of bone marrow-derived mesenchymal stem cells (MSCs) for clinical and experimental studies is increasing, but full characterization of MSCs in veterinary species is hindered by the variability in species-specific cell surface marker expression and antibody cross reactivity. Recent studies demonstrated that the glycans in the glycocalyx of MSCs are promising candidates as cell biomarkers. In the present study, we analyzed the glycocalyx of canine MSCs (cMSCs), ovine MSCs (oMSCs), and equine MSCs (eMSCs) using a cell microarray procedure in which MSCs were spotted on microarray slides and incubated with a panel of 14 biotinylated lectins and Cy3-conjugated streptavidin...
September 14, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28906257/double-printing-of-hyaluronic-acid-poly-glycidol-hybrid-hydrogels-with-poly-%C3%AE%C2%B5-caprolactone-for-msc-chondrogenesis
#5
Simone Stichler, Thomas Böck, Naomi Claire Paxton, Sarah Bertlein, Riccardo Levato, Verena Schill, Willi Smolan, Jos Malda, Joerg Tessmar, Torsten Blunk, Juergen Groll
This study investigates the use of allyl-functionalized poly(glycidol)s (P(AGE-co-G)) as cytocompatible cross-linker for thiol-functionalized hyaluronic acid (HA-SH) and the optimization of this hybrid hydrogel as bioink for 3D bioprinting. Chemical cross-linking of gels with 10 wt.% overall polymer concentration was achieved by UV-induced radical thiol-ene coupling between the thiol and allyl groups. Addition of unmodified high molecular weight HA (1.36 MDa) allowed tuning of the rheology for extrusion based bioprinting...
September 14, 2017: Biofabrication
https://www.readbyqxmd.com/read/28865236/horse-hair-follicles-a-novel-dermal-stem-cell-source-for-equine-regenerative-medicine
#6
Jule K Michler, Aline Hillmann, Vuk Savkovic, Christoph K W Mülling
The easily accessible niche represented by skin and its appendages may serve as a promising source to complement modern regenerative medicine for horses. In humans and in animal models for human medicine, the hair follicle and its stem cell niches are well characterized. Since literature in this field of equine research is scarce, we sought to analyze cells of the dermal stem cell niche of the equine hair follicle morphologically and for a subset of markers useful for cell characterization via immunolabeling...
September 2, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28851519/bioactive-glass-ceramic-nanoparticles-coated-poly-l-lactic-acid-scaffold-improved-osteogenic-differentiation-of-adipose-stem-cells-in-equine
#7
Fatemeh Sadat Mahdavi, Abdolreza Salehi, Ehsan Seyedjafari, Abdollah Mohammadi-Sangcheshmeh, Abdolreza Ardeshirylajimi
Horses with big bone fractures have low chance to live mainly due to the lake of a proper treatment strategy. We believe that further attempts in equine bone tissue engineering will probably be required to meet all the needs for the lesion therapies. Therefore in this study we aimed to investigate the osteogenic differentiation capacity of equine adipose-derived stem cells (e-ASCs) on nano-bioactive glass (nBGs) coated poly(l-lactic acid) (PLLA) nanofibers scaffold (nBG-PLLA). Using electrospinning technique, PLLA scaffold was prepared successfully and coated with nBGs...
July 20, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28831567/horse-spermatogonial-stem-cell-cryopreservation-feasible-protocols-and-potential-biotechnological-applications
#8
Guilherme M J Costa, Gleide F Avelar, Samyra M S N Lacerda, André F A Figueiredo, Amanda O Tavares, José V Rezende-Neto, Felipe G P Martins, Luiz R França
The establishment of proper conditions for spermatogonial stem cells (SSCs) cryopreservation and storage represents an important biotechnological approach for the preservation of the genetic stock of valuable animals. This study demonstrates the effects of different cryopreservation protocols on the survival rates and phenotypic expression of SSCs in horses. The cells were enzymatically isolated from testes of eight adult horses. After enrichment and characterization of germ cells in the suspension, the feasibility of several cryopreservation protocols were evaluated...
August 22, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28831295/corrigendum-to-macroautophagy-and-selective-mitophagy-ameliorate-chondrogenic-differentiation-potential-in-adipose-stem-cells-of-equine-metabolic-syndrome-new-findings-in-the-field-of-progenitor-cells-differentiation
#9
Krzysztof Marycz, Katarzyna Kornicka, Jakub Grzesiak, Agnieszka Śmieszek, Jolanta Szłapka
[This corrects the article DOI: 10.1155/2016/3718468.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28792626/advanced-three-dimensional-culture-of-equine-intestinal-epithelial-stem-cells
#10
A Stieler Stewart, J M Freund, L M Gonzalez
BACKGROUND: Intestinal epithelial stem cells are critical to epithelial repair following gastrointestinal injury. The culture of intestinal stem cells has quickly become a cornerstone of a vast number of new research endeavours that range from determining tissue viability to testing drug efficacy for humans. This study aims to describe the methods of equine stem cell culture and highlights the future benefits of these techniques for the advancement of equine medicine. OBJECTIVES: To describe the isolation and culture of small intestinal stem cells into three-dimensional (3D) enteroids in horses without clinical gastrointestinal abnormalities...
August 9, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28733347/ultrastructural-characteristics-and-immune-profile-of-equine-mscs-from-fetal-adnexa
#11
Eleonora Iacono, Luisa Pascucci, Barbara Rossi, Cinzia Bazzucchi, Aliai Lanci, Monica Ceccoli, Barbara Merlo
Both in human and equine species, mesenchymal stem cells (MSCs) from amniotic membrane (AM) and Wharton's jelly (WJ), may be particularly useful for immediate use or in later stages of life, after cryopreservation in cell bank. The aim of this study was to compare equine AM- and WJ-MSCs in vitro features, that may be relevant for their clinical employment. MSCs were more easily isolated from WJ, even if MSCs derived from AM exhibited more rapid proliferation (P<0.05). Osteogenic and chondrogenic differentiation were more prominent in MSCs derived from WJ...
July 21, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28708537/a-proteomic-study-of-mesenchymal-stem-cells-from-equine-umbilical-cord
#12
Leandro Maia, Carolina Nogueira de Moraes, Marianne Camargos Dias, Julia Bauzá Martinez, Antonia Odena Caballol, Giorgia Testoni, Carla Martins de Queiroz, Ramón Díaz Peña, Fernanda C Landim-Alvarenga, Eliandre de Oliveira
To the best of our knowledge, this is the first study describing the proteome of equine umbilical cord intervascular matrix mesenchymal stem cells (UCIM-MSCs) in a global and functional manner. The aim of this work was to analyze the proteome of previously characterized UCIM-MSCs to determine protein abundance and classify the identified proteins according to Gene Ontology (GO) terms. Protein classification analysis according to biological process, molecular function and cellular component was performed using the PANTHER (Protein ANalysis THrough Evolutionary Relationships) Classification System, which revealed enrichment for 42 biological processes, 23 molecular functions and 18 cellular components...
May 24, 2017: Theriogenology
https://www.readbyqxmd.com/read/28701175/isolation-and-characterization-of-equine-endometrial-mesenchymal-stromal-cells
#13
B Elisabeth Rink, Karin R Amilon, Cristina L Esteves, Hilari M French, Elaine Watson, Christine Aurich, F Xavier Donadeu
BACKGROUND: Equine mesenchymal stromal/stem cells (MSCs) are most commonly harvested from bone marrow (BM) or adipose tissue, requiring the use of surgical procedures. By contrast, the uterus can be accessed nonsurgically, and may provide a more readily available cell source. While human endometrium is known to harbor mesenchymal precursor cells, MSCs have not been identified in equine endometrium. This study reports the isolation, culture, and characterization of MSCs from equine endometrium...
July 12, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28697880/comparison-of-autologous-bone-marrow-and-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-for-treating-surgically-induced-lesions-of-the-equine-superficial-digital-flexor-tendon
#14
A Romero, L Barrachina, B Ranera, A R Remacha, B Moreno, I de Blas, A Sanz, F J Vázquez, A Vitoria, C Junquera, P Zaragoza, C Rodellar
Several therapies have been investigated for equine tendinopathies, but satisfactory long term results have not been achieved consistently and a better understanding of the healing mechanism elicited by regenerative therapies is needed. The aim of this study was to assess the separate effects of autologous bone marrow (BM) and adipose tissue (AT) derived mesenchymal stem cells (MSCs), and platelet rich plasma (PRP), for treating lesions induced in the superficial digital flexor tendon (SDFT) of horses. Lesions were created surgically in both SDFTs of the forelimbs of 12 horses and were treated with BM-MSCs (six tendons), AT-MSCs (six tendons) or PRP (six tendons)...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28660198/transforming-growth-factor-%C3%AE-2-downregulates-major-histocompatibility-complex-mhc-i-and-mhc-ii-surface-expression-on-equine-bone-marrow-derived-mesenchymal-stem-cells-without-altering-other-phenotypic-cell-surface-markers
#15
Alix K Berglund, Matthew B Fisher, Kristin A Cameron, Emma J Poole, Lauren V Schnabel
Allogeneic mesenchymal stem cells (MSCs) are a promising cell source for treating musculoskeletal injuries in horses. Effective and safe allogeneic therapy may be hindered, however, by recipient immune recognition and rejection of major histocompatibility complex (MHC)-mismatched MSCs. Development of strategies to prevent immune rejection of MHC-mismatched MSCs in vivo is necessary to enhance cell survival and potentially increase the efficacy and safety of allogeneic MSC therapy. The purposes of this study were to evaluate if transforming growth factor-β2 (TGF-β2) downregulated MHC expression on equine MSCs and to determine if TGF-β2 treatment altered the phenotype of MSCs...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28650243/antigenicity-of-mesenchymal-stem-cells-in-an-inflamed-joint-environment
#16
Jacqueline A Hill, Jennifer M Cassano, Margaret B Goodale, Lisa A Fortier
OBJECTIVE To determine whether major histocompatability complex (MHC) class II expression in equine mesenchymal stem cells (MSCs) changes with exposure to a proinflammatory environment reflective of an inflamed joint. SAMPLE Cryopreserved bone marrow-derived MSCs from 12 horses and cartilage and synovium samples from 1 horse euthanized for reasons other than lameness. PROCEDURES In part 1 of a 3-part study, the suitability of a quantitative reverse transcriptase PCR (qRT-PCR) assay for measurement of MHC class II expression in MSCs following stimulation with interferon (IFN)-γ was assessed...
July 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28597211/characterization-and-use-of-equine-bone-marrow-mesenchymal-stem-cells-in-equine-cartilage-engineering-study-of-their-hyaline-cartilage-forming-potential-when-cultured-under-hypoxia-within-a-biomaterial-in-the-presence-of-bmp-2-and-tgf-%C3%A3-1
#17
Thomas Branly, Lélia Bertoni, Romain Contentin, Rodolphe Rakic, Tangni Gomez-Leduc, Mélanie Desancé, Magalie Hervieu, Florence Legendre, Sandrine Jacquet, Fabrice Audigié, Jean-Marie Denoix, Magali Demoor, Philippe Galéra
Articular cartilage presents a poor capacity for self-repair. Its structure-function are frequently disrupted or damaged upon physical trauma or osteoarthritis in humans. Similar musculoskeletal disorders also affect horses and are the leading cause of poor performance or early retirement of sport- and racehorses. To develop a therapeutic solution for horses, we tested the autologous chondrocyte implantation technique developed on human bone marrow (BM) mesenchymal stem cells (MSCs) on horse BM-MSCs. This technique involves BM-MSC chondrogenesis using a combinatory approach based on the association of 3D-culture in collagen sponges, under hypoxia in the presence of chondrogenic factors (BMP-2 + TGF-β1) and siRNA to knockdown collagen I and HtrA1...
June 9, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28589421/tat-myod-fused-proteins-together-with-c2c12-conditioned-medium-are-able-to-induce-equine-adult-mesenchimal-stem-cells-towards-the-myogenic-fate
#18
Marco Patruno, Chiara Gomiero, Roberta Sacchetto, Ohad Topel, Alessandro Negro, Tiziana Martinello
The Tat protein is able to translocate through the plasma membrane and when it is fused with other peptides may acts as a protein transduction system. This ability appears particularly interesting to induce tissue-specific differentiation when the Tat protein is associated to transcription factors. In the present work, the potential of the complex Tat-MyoD in inducing equine peripheral blood mesenchymal stem cells (PB-MSCs) towards the myogenic fate, was evaluated. Results showed that the internalization process of Tat-MyoD happens only in serum free conditions and that the nuclear localization of the fused complex is observed after 15 hours of incubation...
September 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28548680/modulating-the-oxidative-environment-during-mesenchymal-stem-cells-chondrogenesis-with-serum-increases-collagen-accumulation
#19
Suwimol Tangtrongsup, John D Kisiday
Chondrogenesis of mesenchymal stem cells (MSCs) is induced in culture conditions that have been associated with oxidative stress, although the extent to which the oxidative environment affects differentiation and extracellular matrix (ECM) accumulation is not known. The objectives of this study were to evaluate the oxidative environment during MSCs chondrogenesis in conventional serum-free medium, and the effect of serum-supplementation on intracellular reactive oxygen species (ROS) and chondrogenesis. Young adult equine MSCs were seeded into agarose and cultured in chondrogenic medium, with or without 5% fetal bovine serum (FBS), for up to 15 days...
May 26, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28545510/effect-of-bone-marrow-derived-mesenchymal-stem-cells-and-stem-cell-supernatant-on-equine-corneal-wound-healing-in-vitro
#20
Amanda B Sherman, Brian C Gilger, Alix K Berglund, Lauren V Schnabel
BACKGROUND: We aimed to determine and compare the in vitro effects of autologous bone marrow-derived mesenchymal stem cells (BM-MSCs) and mesenchymal stem cell supernatant (MSC-Sp) on the wound healing capacity of equine corneal fibroblasts using a scratch assay. METHODS: Bone marrow aspirates and eyes were collected from normal, euthanized horses with subsequent isolation and culture of BM-MSCs and corneal stromal cells. Corneal stromal cells were culture-expanded in the culture well of transwell plates and then treated with an autologous BM-MSC suspension (dose: 2...
May 25, 2017: Stem Cell Research & Therapy
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