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canine stem cell

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https://www.readbyqxmd.com/read/29116737/osteoinduction-by-foamed-and-3d-printed-calcium-phosphate-scaffolds-effect-of-nanostructure-and-pore-architecture
#1
Albert Barba, Anna Diez-Escudero, Yassine Maazouz, Katrin Rappe, Montserrat Espanol, Edgar Benjamín Montufar, Mar Bonany, Joanna Maria Sadowska, Jordi Guillem-Marti, Caroline Öhman-Mägi, Cecilia Persson, Maria-Cristina Manzanares, Jordi Franch, Maria-Pau Ginebra
Some biomaterials are osteoinductive, i.e., they are able to trigger the osteogenic process by inducing the differentiation of mesenchymal stem cells to the osteogenic lineage. Although the underlying mechanism is still unclear, microporosity and specific surface area (SSA) have been identified as critical factors in the material-associated osteoinduction. However, only sintered ceramics, with a limited range of porosities and SSA, have been analysed so far. In this work we were able to extend this range to the nanoscale, through the foaming and 3D-printing of biomimetic calcium phosphates, obtaining scaffolds with controlled micro and nanoporosity together with a tailored macropore architecture...
November 8, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29102933/mesenchymal-stem-cells-contribute-to-improvement-of-renal-function-in-a-canine-kidney-injury-model
#2
Seung-Jun Lee, Min-Ok Ryu, Min-Soo Seo, Sang-Bum Park, Jin-Ok Ahn, Sei-Myoung Han, Kyung-Sun Kang, Dong-Ha Bhang, Hwa-Young Youn
BACKGROUND/AIM: The kidney excretes waste materials and regulates important metabolic functions, and renal disorders constitute a significant medical problem and can result in fatalities. In the present study, mesenchymal stem cells derived from canine umbilical cord blood (cUCB-MSCs) were isolated and evaluated for their ability to improve renal function in a canine model of acute kidney injury (AKI). MATERIALS AND METHODS: The canine AKI model was developed by i...
November 2017: In Vivo
https://www.readbyqxmd.com/read/29082833/impact-of-collagen-alginate-composition-from-microbead-morphological-properties-to-microencapsulated-canine-adipose-tissue-derived-mesenchymal-stem-cell-activities
#3
Hyunkyu Lee, Heung-Myong Woo, Byung-Jae Kang
The purpose of this study was to identify the effect of collagen-alginate composition on the size and shape of microbeads and the proliferation and osteogenic properties of microencapsulated canine adipose-derived mesenchymal stem cells (ASCs) in vitro. Canine ASCs were microencapsulated in mixtures of various collagen-alginate compositions using a vibrational technologic encapsulator. The size and shape of the resultant microbeads were measured using a light field microscope and the viability of the microencapsulated canine ASCs was evaluated using a live/dead viability/cytotoxicity kit...
October 30, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29069805/epidermal-growth-factor-receptor-activity-is-elevated-in-glioma-cancer-stem-cells-and-is-required-to-maintain-chemotherapy-and-radiation-resistance
#4
Lisa Y Pang, Lauren Saunders, David J Argyle
Glioblastoma remains among the most aggressive of all human and canine malignancies, displaying high mortality rates and limited treatment options. We propose that given the similarities between canine and human gliomas, such as incidence of occurrence, histopathology, molecular characteristics, and response to therapy, that canine gliomas are a natural model of the human disease. A range of human and canine tumours have been shown to harbor specific subpopulations of cells with stem cell-like properties that initiate and maintain neoplasticity while resisting conventional therapies...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29065140/novel-insights-into-the-pathways-regulating-the-canine-hair-cycle-and-their-deregulation-in-alopecia-x
#5
Magdalena A T Brunner, Vidhya Jagannathan, Dominik P Waluk, Petra Roosje, Monika Linek, Lucia Panakova, Tosso Leeb, Dominique J Wiener, Monika M Welle
Alopecia X is a hair cycle arrest disorder in Pomeranians. Histologically, kenogen and telogen hair follicles predominate, whereas anagen follicles are sparse. The induction of anagen relies on the activation of hair follicle stem cells and their subsequent proliferation and differentiation. Stem cell function depends on finely tuned interactions of signaling molecules and transcription factors, which are not well defined in dogs. We performed transcriptome profiling on skin biopsies to analyze altered molecular pathways in alopecia X...
2017: PloS One
https://www.readbyqxmd.com/read/29045937/adenovirus-mediated-expression-of-bmp-2-and-bfgf-in-bone-marrow-mesenchymal-stem-cells-combined-with-demineralized-bone-matrix-for-repair-of-femoral-head-osteonecrosis-in-beagle-dogs
#6
Wu-Xun Peng, Lei Wang
BACKGROUND: This study investigated the effect of using adenovirus-mediated expression of bone morphogenetic protein 2 (Ad-BMP-2) and basic fibroblast growth factor (bFGF) in bone marrow mesenchymal stem cells (BMSCs) in combination with a demineralized bone matrix (DBM) to repair osteonecrosis of the femoral head (ONFH) in Beagle dogs. METHODS: A total of 30 Beagle dogs were selected for the isolation of BMSCs, which were cultured and transfected with the recombinant adenovirus vector Ad-BMP2-bFGF-GFP (carrying BMP-2 and bFGF) or a control adenovirus plasmid (encoding green fluorescent protein (Ad-GFP))...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28990287/mesenchymal-like-stem-cells-in-canine-ovary-show-high-differentiation-potential
#7
A B Trindade, J Therrien, J M Garcia, L C Smith
OBJECTIVES: Recent studies have reported the existence of stem cells in ovarian tissue that show enhanced proliferative and differentiation potential compared to other adult tissues. Based on this evidence, we hypothesized that ovarian tissue contained mesenchymal-like stem cells (MSC) that could be isolated using a novel rapid plastic adhesion technique. MATERIALS AND METHODS: We established MSC lines derived from ovarian and adipose tissue based on their ability to rapidly adhere to plastic culture dishes in the first 3 hours after plating and studied their potentiality in terms of molecular markers and differentiation capacity...
October 8, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28934395/abnormal-polyamine-metabolism-is-unique-to-the-neuropathic-forms-of-mps-potential-for-biomarker-development-and-insight-into-pathogenesis
#8
Christian Hinderer, Nathan Katz, Jean-Pierre Louboutin, Peter Bell, Jakub Tolar, Paul J Orchard, Troy C Lund, Mohamad Nayal, Liwei Weng, Clementina Mesaros, Carolina F M de Souza, Amauri Dalla Corte, Roberto Giugliani, James M Wilson
The mucopolysaccharidoses (MPS) are rare genetic disorders marked by severe somatic and neurological symptoms. Development of treatments for the neurological manifestations of MPS has been hindered by the lack of objective measures of central nervous system disease burden. Identification of biomarkers for central nervous system disease in MPS patients would facilitate the evaluation of new agents in clinical trials. High throughput metabolite screening of cerebrospinal fluid (CSF) samples from a canine model of MPS I revealed a marked elevation of the polyamine, spermine, in affected animals, and gene therapy studies demonstrated that reduction of CSF spermine reflects correction of brain lesions in these animals...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28927253/comparative-aspects-of-microrna-expression-in-canine-and-human-cancer
#9
REVIEW
Kabiru Sahabi, Gayathri Thevi Selvarajah, Rasedee Abdullah, Cheah Yoke Kqueen, Tan Geok Chin
MicroRNAs (miRNAs) are important players in all biological pathways in multicellular organisms. Over 1,400 human miRNAs have been identified, and many are conserved among vertebrates and invertebrates. MicroRNA regulation is the most abundant mode of post-transcriptional gene regulation. MicroRNAs that are involved in the initiation and progression of cancers are termed oncomiRs, several of which have been identified in canine and human cancer. Similarly, several miRNAs have been reported to be down-regulated in cancers of the two species...
September 20, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28912427/dna-methylation-profiling-reveals-common-signatures-of-tumorigenesis-and-defines-epigenetic-prognostic-subtypes-of-canine-diffuse-large-b-cell-lymphoma
#10
Serena Ferraresso, Arianna Aricò, Tiziana Sanavia, Silvia Da Ros, Massimo Milan, Luciano Cascione, Stefano Comazzi, Valeria Martini, Mery Giantin, Barbara Di Camillo, Sandro Mazzariol, Diana Giannuzzi, Laura Marconato, Luca Aresu
Epigenetic deregulation is a hallmark of cancer characterized by frequent acquisition of new DNA methylation in CpG islands. To gain insight into the methylation changes of canine DLBCL, we investigated the DNA methylome in primary DLBCLs in comparison with control lymph nodes by genome-wide CpG microarray. We identified 1,194 target loci showing different methylation levels in tumors compared with controls. The hypermethylated CpG loci included promoter, 5'-UTRs, upstream and exonic regions. Interestingly, targets of polycomb repressive complex in stem cells were mostly affected suggesting that DLBCL shares a stem cell-like epigenetic pattern...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28906588/surface-glycan-pattern-of-canine-equine-and-ovine-bone-marrow-derived-mesenchymal-stem-cells
#11
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/28900631/single-cell-phosphospecific-flow-cytometric-analysis-of-canine-and-murine-adipose-derived-stem-cells
#12
Harumichi Itoh, Shimpei Nishikawa, Tomoya Haraguchi, Yu Arikawa, Masato Hiyama, Toshie Iseri, Yoshiki Itoh, Munekazu Nakaichi, Yasuho Taura, Kenji Tani, Kazuhito Itamoto
This study aimed to demonstrate single-cell phosphospecific flow cytometric analysis of canine and murine adipose-derived stem/stromal cells (ADSCs). ADSCs were obtained from clinically healthy laboratory beagles and C57BL/6 mice. Cell differentiation into adipocytes, osteocytes, and chondrocytes was observed for the cultured canine ADSCs (cADSCs) and murine ADSCs (mADSCs) to determine their multipotency. We also performed single-cell phosphospecific flow cytometric analysis related to cell differentiation and stemness...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28884928/expression-of-receptor-tyrosine-kinase-targets-pdgfr-%C3%AE-vegfr2-and-kit-in-canine-transitional-cell-carcinoma
#13
L Walters, O Martin, J Price, M M Sula
Transitional cell carcinoma (TCC) is the most common neoplasia of the canine urinary tract. It tends to be locally invasive and has a moderate metastatic rate. Receptor tyrosine kinases (RTKs) play an important role in promoting cell growth, differentiation and regulation of cell function. RTK inhibitor toceranib phosphate has been used anecdotally to treat TCC. The goal of this study was to evaluate archived normal urinary bladder, TCC and cystitis bladder samples for expression of toceranib phosphate targets: VEGFR2, PDGFR-β and stem cell factor receptor (KIT)...
September 8, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28865206/the-animal-dependent-risk-factors-in-canine-osteosarcomas
#14
R Sapierzyński, M Czopowicz
Canine osteosarcoma (OSA) is a malignant neoplastic tumor, which develops from the primitive mesenchymal stem cell, that has or can acquire the capacity to produce neoplastic osteoid with possible neoplastic bone formation. Predisposition of some dog breeds to OSA indicates genetic background of oncogenesis. The aim of the study was to characterize animal-dependent risk factors for canine osteosarcoma development in Poland. The study was conducted on canine patients diagnosed cytologically or histopathologically as having OSA, and data on age, breed, sex, as well as tumor location and character were recorded...
March 1, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28858373/electrolyte-acid-base-and-hemoglobin-oxygen-affinity-alterations-following-irradiation-and-storage-of-canine-packed-red-blood-cells
#15
Saya A Press, Edward S Cooper, Jason W Stull
BACKGROUND: Irradiation of RBC before transfusion is required to prevent transfusion-associated graft-versus-host disease for human patients undergoing hematopoietic stem cell transplantation. Additional applications for irradiated blood may exist in oncologic surgery. The effect of irradiation on canine packed RBC (pRBC) is unknown. OBJECTIVES: The aim of this study was to explore and characterize the in vitro electrolyte, acid-base, and oxygen-carrying capacity changes to pRBC immediately following irradiation and during storage...
August 31, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28851894/activated-mesenchymal-stem-cells-interact-with-antibiotics-and-host-innate-immune-responses-to-control-chronic-bacterial-infections
#16
Valerie Johnson, Tracy Webb, Annalis Norman, Jonathan Coy, Jade Kurihara, Daniel Regan, Steven Dow
Chronic bacterial infections associated with biofilm formation are often difficult to resolve without extended courses of antibiotic therapy. Mesenchymal stem cells (MSC) exert antibacterial activity in vitro and in acute bacterial infection models, but their activity in chronic infection with biofilm models has not been previously investigated. Therefore, we studied the effects of MSC administration in mouse and dog models of chronic infections associated with biofilms. Mice with chronic Staphylococcus aureus implant infections were treated by i...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28834400/cryopreservation-of-canine-cardiosphere-derived-cells-implications-for-clinical-application
#17
Luke C Dutton, Sophie A V Church, Hannah Hodgkiss-Geere, Brian Catchpole, Anthony Huggins, Jayesh Dudhia, David J Connolly
The clinical application of cardiosphere-derived cells (CDCs) to treat cardiac disease has gained increasing interest over the past decade. Recent clinical trials confirm their regenerative capabilities, although much remains to be elucidated about their basic biology. To develop this new treatment modality, in a cost effective and standardized workflow, necessitates the creation of cryopreserved cell lines to facilitate access for cardiac patients requiring urgent therapy. Cryopreservation may however lead to alterations in cell behavior and potency...
August 22, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28793248/replicable-expansion-and-differentiation-of-neural-precursors-from-adult-canine-skin
#18
Thomas Duncan, Aileen Lowe, Kuldip Sidhu, Perminder Sachdev, Trevor Lewis, Ruby C Y Lin, Vladimir Sytnyk, Michael Valenzuela
Repopulation of brain circuits by neural precursors is a potential therapeutic strategy for neurodegenerative disorders; however, choice of cell is critical. Previously, we introduced a two-step culture system that generates a high yield of neural precursors from small samples of adult canine skin. Here, we probe their gene and protein expression profiles in comparison with dermal fibroblasts and brain-derived neural stem cells and characterize their neuronal potential. To date, we have produced >50 skin-derived neural precursor (SKN) lines...
August 8, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28783596/receptor-tyrosine-kinase-expression-and-phosphorylation-in-canine-nasal-carcinoma
#19
Samuel E Hocker, Mary Lynn Higginbotham, Thomas Schermerhorn, Jamie Henningson
Preliminary studies have supported use of toceranib phosphate (Palladia®) in treatment of canine nasal carcinomas, though the mechanisms of its activity are unknown. This study evaluated sixteen canine nasal carcinoma and five normal nasal epithelium samples for expression and phosphorylation of known targets of toceranib [vascular endothelial growth factor receptor-2 (VEGR2), platelet derived growth factor alpha (PDGFR-α), platelet derived growth factor receptor beta (PDGFR-β), and stem cell factor receptor (c-KIT)] and epidermal growth factor receptor 1 (EGFR1) using immunohistochemistry, RT-PCR and a receptor tyrosine kinase (RTK) phosphorylation panel...
July 29, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28713638/neurovascular-cell-sheet-transplantation-in-a-canine-model-of-intracranial-hemorrhage
#20
Woo-Jin Lee, Jong Young Lee, Keun-Hwa Jung, Soon-Tae Lee, Hyo Yeol Kim, Dong-Kyu Park, Jung-Suk Yu, So-Yun Kim, Daejong Jeon, Manho Kim, Sang Kun Lee, Jae-Kyu Roh, Kon Chu
Cell-based therapy for intracerebral hemorrhage (ICH) has a great therapeutic potential. However, methods to effectively induce direct regeneration of the damaged neural tissue after cell transplantation have not been established, which, if done, would improve the efficacy of cell-based therapy. In this study, we aimed to develop a cell sheet with neurovasculogenic potential and evaluate its usefulness in a canine ICH model. We designed a composite cell sheet made of neural progenitors derived from human olfactory neuroepithelium and vascular progenitors from human adipose tissue-derived stromal cells...
2017: Cell Medicine
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