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canine stem cell

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https://www.readbyqxmd.com/read/28793248/replicable-expansion-and-differentiation-of-neural-precursors-from-adult-canine-skin
#1
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
#2
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
#3
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
https://www.readbyqxmd.com/read/28693305/comparison-the-characteristics-of-canine-adipose-tissue-derived-mesenchymal-stem-cells-extracted-from-different-sites-and-at-different-passage-numbers
#4
Kevin M Yaneselli, Cristiana Palma Kuhl, Paula Barros Terraciano, Fernanda dos Santos de Oliveira, Sabrina Beal Pizzato, Kamila Pazza, Alessandra Bileski Magrisso, Vanessa Torman, Analía Rial, María Moreno, Silvia Llambí, Elizabeth Cirne Lima, Jacqueline Maisonnave
Mesenchymal Stem Cells (MSCs) have attractive characteristics for therapy in animal models and veterinary medicine, due to the capacity of inducing tissue regeneration and immunomodulation. The objective of this study was to evaluate the differences between canine adipose tissue-derived MSCs (AD-MSCs) extracted from subcutaneous (Sc) and visceral (Vs) sites. Surface antigenic markers, in vitro differentiation and mineralized matrix quantification of AD-MSCs in different passages (P4, P6 and P8) were studied...
July 10, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28693187/salinomycin-inhibits-canine-mammary-carcinoma-in-vitro-by-targeting-cancer-stem-cells
#5
Hongchao Du, Bin Zhou, Hong Zhang, Yipeng Jin, Di Zhang, Degui Lin
Salinomycin (SAL), a polyether ionophore antibiotic, has been demonstrated to selectively kill cancer stem cells (CSCs) in various types of human tumor. The aim of the present study was to investigate the effects of SAL on canine mammary CSCs. CSCs in canine mammary carcinoma cell lines (CMT7364 and CIPp) were identified using a sphere formation assay and flow cytometry. The chemoresistance, invasive potential and expression of stem cell-associated proteins of these spheres was then analyzed. This demonstrated that the spheres exhibited characteristics of CSCs, including a cluster of differentiation (CD)44(+)/CD24(-/low) phenotype, upregulation of Wnt/β-catenin signaling pathway-associated proteins and chemoresistance...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28685064/identification-of-rhodamine-123-positive-stem-cell-subpopulations-in-canine-hepatocellular-carcinoma-cells
#6
Harumichi Itoh, Shimpei Nishikawa, Tomoya Haraguchi, Yu Arikawa, Masato Hiyama, Toshie Iseri, Yoshiki Itoh, Munekazu Nakaichi, Yasuho Taura, Kenji Tani, Kazuhito Itamoto
The majority of cases of chemotherapy for hepatocellular carcinoma (HCC) are not effective in human or veterinary medicine due to resistance against anticancer agents. In human medicine, hepatocellular carcinoma stem cells (HCSCs) were recently identified as cytokeratin 19 (CK19)-, cluster of differentiation (CD)-44-, and CD133-positive. However, there are few previous reports regarding canine HCSC (cHCSC). Additionally, to the best of our knowledge, the chemoresistance against anticancer agents of these cHCSCs has not been investigated...
July 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28677267/thirteen-novel-canine-dog-leukocyte-antigen-88-alleles-identified-by-sequence-based-typing
#7
G M Venkataraman, L J Kennedy, M-T E Little, S S Graves, M A Harkey, B J Torok-Storb, R Storb
Major histocompatibility complex (MHC) genes in mammals include highly polymorphic class I and class II genes that are critical for donor-recipient matching for transplantation. Dogs have served as an effective, directly translatable model for stem/progenitor cell transplantation. Previous analyses of MHC class I genes in dogs point to a single highly polymorphic gene, dog leukocyte antigen (DLA)-88, as an important factor in the success or failure of hematopoietic stem cell transplants. Fifty-nine DLA-88 alleles have been identified and reported so far...
September 2017: HLA
https://www.readbyqxmd.com/read/28665183/one-stage-positron-emission-tomography-and-magnetic-resonance-imaging-to-assess-mesenchymal-stem-cell-survival-in-a-canine-model-of-intervertebral-disc-degeneration
#8
Donghua Hang, Fan Li, Wenjun Che, Xiaofeng Wu, Yao Wan, Jiandong Wang, Yanping Zheng
Intervertebral disc (IVD) degeneration is a major health problem. Although mesenchymal stem cells (MSCs) have been used to promote IVD regeneration, the actual survival time of implanted MSCs in IVDs has never been studied non-invasively and continuously in vivo. To investigate survival of implanted MSCs in vivo, this study used a canine model of degenerated IVD and MSCs transfected with a mutant herpes simplex type-1 virus thymidine kinase (HSV1-sr39tk) and labelled with magnetic iron oxide nanoparticles (MION)...
June 30, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28611846/safety-of-allogeneic-canine-adipose-tissue-derived-mesenchymal-stem-cell-intraspinal-transplantation-in-dogs-with-chronic-spinal-cord-injury
#9
Cláudia Cardoso Maciel Escalhão, Isalira Peroba Ramos, Camila Hochman-Mendez, Tais Hanae Kasai Brunswick, Sergio Augusto Lopes Souza, Bianca Gutfilen, Regina Coeli Dos Santos Goldenberg, Tatiana Coelho-Sampaio
This is a pilot clinical study primarily designed to assess the feasibility and safety of X-ray-guided percutaneous intraspinal injection of allogeneic canine adipose tissue-derived mesenchymal stem cells in dogs with chronic spinal cord injury. Six dogs with chronic paraplegia (≥six months) were intraparenchymally injected with allogeneic cells in the site of lesion. Cells were obtained from subcutaneous adipose tissue of a healthy dog, cultured to passage 3, labeled with (99m)Technetium, and transplanted into the lesion by percutaneous X-ray-guided injection...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28595579/omental-adipose-tissue-is-a-more-suitable-source-of-canine-mesenchymal-stem-cells
#10
Francisca Bahamondes, Estefania Flores, Gino Cattaneo, Flavia Bruna, Paulette Conget
BACKGROUND: Mesenchymal Stem Cells (MSCs) are a promising therapeutic tool in veterinary medicine. Currently the subcutaneous adipose tissue is the leading source of MSCs in dogs. MSCs derived from distinct fat depots have shown dissimilarities in their accessibility and therapeutic potential. The aims of our work were to determine the suitability of omental adipose tissue as a source of MSCs, according to sampling success, cell yield and paracrine properties of isolated cells, and compared to subcutaneous adipose tissue...
June 8, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28580034/the-effect-of-co0-2mn0-8fe2o4-ferrite-nanoparticles-on-the-c2-canine-mastocytoma-cell-line-and-adipose-derived-mesenchymal-stromal-stem-cells-ascs-cultured-under-a-static-magnetic-field-possible-implications-in-the-treatment-of-dog-mastocytoma
#11
K Marycz, M Marędziak, D Lewandowski, E Zachanowicz, A Zięcina, R J Wiglusz, R Pązik
Cobalt manganese ferrite nanoparticles have application potential in the biomedical field, however there is limited information concerning the biological response. The aim of this work was to investigate the cytotoxic potential of cobalt-manganese ferrite nanoparticles in canine mastocytoma tumor cells (C2) and adipose-derived mesenchymal stromal stem cells (ASCs) cultured under a static magnetic field (MF). In this study, we investigated the viability and proliferation rate of ASC and C2 cells cultured with Co0...
2017: Cellular and Molecular Bioengineering
https://www.readbyqxmd.com/read/28579596/aldehyde-dehydrogenase-activity-identifies-a-subpopulation-of-canine-adipose-derived-stem-cells-with-higher-differentiation-potential
#12
Harumichi Itoh, Shimpei Nishikawa, Tomoya Haraguchi, Yu Arikawa, Shotaro Etoh, Toshie Iseri, Kenji Tani, Munekazu Nakaichi, Yasuho Taura, Kazuhito Itamoto
Adipose-derived stem cells (ADSCs) are abundant and readily obtained, and have been studied for their clinical applicability in regenerative medicine. Some surface antigens have been identified as markers of different ADSC subpopulations in mice and humans. However, it is unclear whether functionally distinct subpopulations exist in dogs. To address this issue, we evaluated aldehyde dehydrogenase (ALDH) activity-a widely used stem cell marker in mice and humans-by flow cytometry. Approximately 20% of bulk ADSCs showed high ALDH activity...
June 5, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28577492/rhbmp2-loaded-calcium-phosphate-cements-combined-with-allogenic-bone-marrow-mesenchymal-stem-cells-for-bone-formation
#13
Guangming Luo, Yuanliang Huang, Feifei Gu
OBJECTIVE: The osteogenesis effect of recombinant human bone morphogenetic protein-2 (rhBMP-2) and osteogenic differentiation potential of bone marrow mesenchymal stem cells (BMSCs) has been generally acknowledged. However, human bone formation effect of rhBMP-2 loaded calcium phosphate cememts (CPC) combined with allogenic BMSCs is still undefined. This study aimed to investigate how composite osteogenic bone marrow mesenchymal stem cells (BMSCs) and osteoinductive bone morphogenetic protein-2 (BMP-2) influenced the process of bone formation...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28574903/hsct-based-approaches-for-tolerance-induction-in-renal-transplant
#14
Anita Y Chhabra, Joseph Leventhal, Andrea R Merchak, Suzanne Ildstad
Renal transplantation has become the preferred treatment for end stage kidney failure. Although short-term graft survival has significantly improved as advances in immunosuppression have occurred, long term patient and graft survival have not. Approximately only 50% of renal transplant recipients are alive at 10 years due to the toxicities of immunosuppression and alloimmunity. Emerging research on cell-based therapies is opening a new door for patients to receive the organs they need without sacrificing quality of life and longevity because of drug based immunosuppression...
June 1, 2017: Transplantation
https://www.readbyqxmd.com/read/28559962/icariside-ii-promotes-the-osteogenic-differentiation-of-canine-bone-marrow-mesenchymal-stem-cells-via-the-pi3k-akt-mtor-s6k1-signaling-pathways
#15
Guangming Luo, Biao Xu, Yuanliang Huang
The aim of the present study was to investigate the osteogenic effects of icariside II (ICSII) on canine bone marrow mesenchymal stem cells (BMSCs) and the pathways by which these effects were induced. BMSCs were cultured and expanded to the fourth passage. The proliferative effects of ICSII were assessed using the cell counting kit-8 (CCK-8) assay. The osteogenic response to ICSII in BMSCs in vitro was examined by alkaline phosphatase (ALP) activity assays and Alizarin red staining. Using Western blot assays and real-time PCR (RT-PCR), we examined the expression of osteogenetic proteins/genes...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28552861/effects-of-pentosan-polysulfate-and-polysulfated-glycosaminoglycan-on-chondrogenesis-of-canine-bone-marrow-derived-mesenchymal-stem-cells-in-alginate-and-micromass-culture
#16
Eugene C Bwalya, Sangho Kim, Jing Fang, H M Suranji Wijekoon, Kenji Hosoya, Masahiro Okumura
Mesenchymal stem cells (MSC) are a potential alternative source of differentiated chondrocytes for cartilage tissue regeneration and repair of osteoarthritic (OA) joints. We investigated the effects of pentosan polysulfate (PPS) and polysulfated glycosaminoglycan (PSGAG) on chondrogenesis of canine bone marrow-derived mesenchymal stem cells (cBMSC) in alginate and micromass cultures (MMC). Chondrogenic differentiation medium (CDM) was supplemented with PPS or PSGAG at concentrations of 0 (positive control; PC), 1, 3 and 5 μg/ml...
May 27, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529244/identification-of-tumor-initiating-cells-derived-from-two-canine-rhabdomyosarcoma-cell-lines
#17
Takuya Evan Kishimoto, Shoko Yashima, Rei Nakahira, Eri Onozawa, Daigo Azakami, Makoto Ujike, Kazuhiko Ochiai, Toshiyuki Ishiwata, Kimimasa Takahashi, Masaki Michishita
Cancer stem cells or tumor-initiating cells (TICs) are a small subpopulation of cells that have the capacity to self-renew, differentiate and initiate tumors. These cells may function in tumor initiation, aggression and recurrence. Whether spheres derived from canine rhabdomyosarcoma cells have stem cell-like properties is unclear. We induced sphere formation in the canine rhabdomyosarcoma cell lines, CMS-C and CMS-J, and characterized the spheres in vitro and in vivo. Sphere-forming cells were more resistant to vincristine, mitoxantrone and doxorubicin than adherent cells...
May 21, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28527111/human-placenta-derived-mesenchymal-stem-cells-loaded-on-linear-ordered-collagen-scaffold-improves-functional-recovery-after-completely-transected-spinal-cord-injury-in-canine
#18
Sufang Han, Zhifeng Xiao, Xing Li, Huan Zhao, Bin Wang, Zhixue Qiu, Zhi Li, Xin Mei, Bai Xu, Caixia Fan, Bing Chen, Jin Han, Yanzheng Gu, Huilin Yang, Qin Shi, Jianwu Dai
Traumatic spinal cord injury (SCI) is a major challenge in the clinic. In this study, we sought to examine the synergistic effects of linear ordered collagen scaffold (LOCS) and human placenta-derived mesenchymal stem cells (hPMSCs) when transplanted into completely transected beagle dogs. After 36 weeks observation, we found that LOCS+hPMSCs implants promoted better hindlimb locomotor recovery than was observed in the non-treatment (control) group and LOCS group. Histological analysis showed that the regenerated tissue after treatment was well integrated with the host tissue, and dramatically reduced the volume of cystic and chondroitin sulfate proteoglycans (CSPGs) expression...
May 16, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28500172/induced-pluripotent-stem-cell-derived-cardiomyocytes-provide-in-vivo-biological-pacemaker-function
#19
Samuel Chauveau, Evgeny P Anyukhovsky, Meital Ben-Ari, Shulamit Naor, Ya-Ping Jiang, Peter Danilo, Tania Rahim, Stephanie Burke, Xiaoliang Qiu, Irina A Potapova, Sergey V Doronin, Peter R Brink, Ofer Binah, Ira S Cohen, Michael R Rosen
BACKGROUND: Although multiple approaches have been used to create biological pacemakers in animal models, induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) have not been investigated for this purpose. We now report pacemaker function of iPSC-CMs in a canine model. METHODS AND RESULTS: Embryoid bodies were derived from human keratinocytes, their action potential characteristics determined, and their gene expression profiles and markers of differentiation identified...
May 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28499392/experimental-tumor-growth-of-canine-osteosarcoma-cell-line-on-chick-embryo-chorioallantoic-membrane-in-vivo-studies
#20
Magdalena Walewska, Izabella Dolka, Anna Małek, Anna Wojtalewicz, Agata Wojtkowska, Artur Żbikowski, Roman Lechowski, Katarzyna Zabielska-Koczywąs
The chick embryo chorioallantoic membrane (CAM) model is extensively used in human medicine in preclinical oncological studies. The CAM model has several advantages: low cost, simple experimental approach, time saving and following "3R principles". Research has shown that the human osteosarcoma cell lines U2OS, MMNG-HOS, and SAOS can form tumors on the CAM. In veterinary medicine, this has been described only for feline fibrosarcomas, feline mammary carcinomas and canine osteosarcomas. However, in case of canine osteosarcomas, it has been shown that only non-adherent osteosarcoma stem cells isolated from KTOSA5 and CSKOS cell lines have the ability to form microtumors on the CAM after an incubation period of 5 days, in contrast to adherent KTOSA5 and CSKOS cells...
May 12, 2017: Acta Veterinaria Scandinavica
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