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canine stem cell

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https://www.readbyqxmd.com/read/28220818/labeling-adipose-derived-stem-cell-sheet-by-ultrasmall-super-paramagnetic-fe3o4-nanoparticles-and-magnetic-resonance-tracking-in-vivo
#1
Shukui Zhou, Ting Yin, Qingsong Zou, Kaile Zhang, Guo Gao, Joseph G Shapter, Peng Huang, Qiang Fu
Cell sheet therapy has emerged as a potential therapeutic option for reparation and reconstruction of damaged tissues and organs. However, an effective means to assess the fate and distribution of transplanted cell sheets in a serial and noninvasive manner is still lacking. To investigate the feasibility of tracking Adipose derived stem cells (ADSCs) sheet in vivo using ultrasmall super-paramagnetic Fe3O4 nanoparticles (USPIO), canine ADSCs were cultured and incubated with USPIO and 0.75 μg/ml Poly-L-Lysine (PLL) for 12 h...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197017/characterization-and-therapeutic-application-of-canine-adipose-mesenchymal-stem-cells-to-treat-elbow-osteoarthritis
#2
Éva Kriston-Pál, Ágnes Czibula, Zoltán Gyuris, Gyula Balka, Antal Seregi, Farkas Sükösd, Miklós Süth, Endre Kiss-Tóth, Lajos Haracska, Ferenc Uher, Éva Monostori
Visceral adipose tissue (AT) obtained from surgical waste during routine ovariectomies was used as a source for isolating canine mesenchymal stem cells (MSCs). As determined by cytofluorimetry, passage 2 cells expressed MSC markers CD44 and CD90 and were negative for lineage-specific markers CD34 and CD45. The cells differentiated toward osteogenic, adipogenic, and chondrogenic directions. With therapeutic aims, 30 dogs (39 joints) suffering from elbow dysplasia (ED) and osteoarthritis (OA) were intra-articularly transplanted with allogeneic MSCs suspended in 0...
January 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28190551/proliferation-of-canine-bone-marrow-derived-mesenchymal-stem-cells-on-different-nanomaterial-based-thin-film-scaffolds
#3
Kinsuk Das, Bhabesh Mili, Madhusoodan A P, Abhishek Chandra Saxena, Ajay Kumar, Praveen Singh, Med Ram Verma, Mihir Sarkar, Sadhan Bag
Stem cell niche research uses nanotechnologies to mimic the extra-cellular microenvironment to promote proliferation and differentiation. The aim of designing different scaffolds is to simulate the best structural and environmental pattern for extracellular matrix. This experiment was designed to study the proliferative behaviour of canine bone marrow deriver mesenchymal stem cells (MSCs) on different nanomaterial based thin film scaffolds of carbon nanotubes (CNT), chitosan and poly ε-caprolactone. Similar number of cells was seeded on the scaffolds and standard cell culture flask, taken as control...
February 6, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28181686/the-effect-of-a-histone-deacetylase-inhibitor-ar-42-on-canine-prostate-cancer-growth-and-metastasis
#4
Said M Elshafae, Nicole A Kohart, Lucas A Altstadt, Wessel P Dirksen, Thomas J Rosol
BACKGROUND: Canine prostate cancer (PCa) is an excellent preclinical model for human PCa. AR-42 is a histone deacetylase inhibitor (HDACi) developed at The Ohio State University that inhibits the proliferation of several cancers, including multiple myeloma, lung, and hepatocellular cancer. In this study, we investigated whether AR-42 would prevent or decrease. The growth and metastasis of a canine PCa (Ace-1 cells) to bone in vitro and in vivo. METHODS: Proliferation, cell viability, invasion, and metastasis of a canine prostate cancer cell line (Ace-1) were measured following treatment with AR-42...
February 9, 2017: Prostate
https://www.readbyqxmd.com/read/28173854/anti-influenza-virus-activity-of-extracts-from-the-stems-of-jatropha-multifida-linn-collected-in-myanmar
#5
Masaki Shoji, So-Yeun Woo, Aki Masuda, Nwet Nwet Win, Hla Ngwe, Etsuhisa Takahashi, Hiroshi Kido, Hiroyuki Morita, Takuya Ito, Takashi Kuzuhara
BACKGROUND: To contribute to the development of novel anti-influenza drugs, we investigated the anti-influenza activity of crude extracts from 118 medicinal plants collected in Myanmar. We discovered that extract from the stems of Jatropha multifida Linn. showed anti-influenza activity. J. multifida has been used in traditional medicine for the treatment of various diseases, and the stem has been reported to possess antimicrobial, antimalarial, and antitumor activities. However, the anti-influenza activity of this extract has not yet been investigated...
February 7, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28166692/critical-sized-bone-defects-in-mandible-of-canine-model
#6
Sepanta Hosseinpour, Farshid Bastami
One of the major challengeable issues in bone tissue engineering is regeneration of critical-sized bone defects (CSBD). According to bone formation results of the article conducted by Liu et al "Mesenchymal stem cells systemically injected into femoral marrow of dogs home to mandibular defects to enhance new bone formation. Tissue Engineering Part A. 2014;20(3-4):883-92", we can conclude that creating the correct defect form and interrupting the natural bone healing cascade can be essential as well as creating the accurate defect size to have a true CSBD in animal model of the research...
February 6, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28095650/bone-tissue-engineering-in-oral-peri-implant-defects-in-preclinical-in-vivo-research-a-systematic-review-and-meta-analysis
#7
REVIEW
Siddharth Shanbhag, Nikolaos Pandis, Kamal Mustafa, Jens R Nyengaard, Andreas Stavropoulos
Regeneration and establishment of osseointegration within oral peri-implant bone defects remains a clinical challenge. Bone tissue engineering (BTE) is emerging as a promising alternative to autogenous and/or biomaterial-based bone grafting. The objective of this systematic review was to answer the focused question: in animal models, do cell-based BTE strategies enhance bone regeneration and/or implant osseointegration in experimental peri-implant defects, compared to grafting with autogenous bone or only biomaterial scaffolds? Electronic databases were searched for controlled animal studies reporting on peri-implant defects and implantation of mesenchymal stem cells (MSC) or other cells seeded on biomaterial scaffolds, following PRISMA guidelines...
January 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28074389/cochlear-epithelial-of-dog-fetuses-a-new-source-of-multipotent-stem-cells
#8
Ana Carolina M Santos, Jéssica Borghesi, Lara Carolina Mario, Adriana Raquel A Anunciação, Andrea Maria Mess, Ana Claudia O Carreira, Phelipe O Favaron, Maria Angélica Miglino
Hearing loss caused by the damage of cochlea sensory cells or neurons is a common human disease, but also affects dogs and other animals. To test their progenitor nature as potential value for future therapies, we characterized cells derived from the cochlear epithelium in dog fetuses. In total, 8 fetuses of 35-40 days of gestation, derived from castration campaigns, were investigated. Cells were analysed by the MTT colorimetric assay and in regard to cell cycle, differentiation capacities, immunophenotypes and qPCR analysis...
February 2017: Cytotechnology
https://www.readbyqxmd.com/read/28070061/injectable-alginate-microencapsulated-canine-adipose-tissue-derived-mesenchymal-stem-cells-for-enhanced-viable-cell-retention
#9
Eunji Koh, Yun Chan Jung, Heung-Myong Woo, Byung-Jae Kang
The purpose of this study was to establish an optimized protocol for the production of alginate-encapsulated canine adipose-derived mesenchymal stem cells (cASCs) and evaluate their suitability for clinical use, including viability, proliferation and in vivo cell retention. Alginate microbeads were formed by vibrational technology and the production of injectable microbeads was performed using various parameters with standard methodology. Microbead toxicity was tested in an animal model. Encapsulated cASCs were evaluated for viability and proliferation in vitro...
January 6, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28053620/establishment-of-a-surgically-induced-cryptorchidism-canine-recipient-model-for-spermatogonial-stem-cell-transplantation
#10
Won-Young Lee, Ran Lee, Hyuk Song, Tai-Young Hur, Seunghoon Lee, Jiyun Ahn, Hyunjhung Jhun
Transplantation of spermatogonial stem cells (SSCs) in experimental animal models has been used to study germ line stem cell biology and to produce transgenic animals. The species-specific recipient model preparation is important for the characterization of SSCs and the production of offspring. Here, we investigated the effects of surgically induced cryptorchidism in dog as a new recipient model for spermatogonial stem cell transplantation. Artificially unilateral or bilateral cryptorchidism was induced in ten mature male dogs by surgically returning the testis and epididymis to the abdominal cavity...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/27993142/identification-and-characterization-of-cancer-stem-cells-in-canine-mammary-tumors
#11
REVIEW
Agata Rybicka, Magdalena Król
Cancer stem cells (CSC) represent a small subpopulation of cells in malignant tumors that possess the unique ability to self-renew, differentiate and resist chemo- and radiotherapy. These cells have been postulated to be the basis for some of the difficulties in treating cancer, and therefore, numerous approaches have been developed to specifically target and eliminate CSC in diverse types of cancer, including breast cancer. Spontaneously occurring mammary tumors in canines share clinical and molecular similarities with the human counterpart, making the dog a potentially powerful model for the study of human breast cancer and clinical trials...
December 19, 2016: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/27990487/tuning-hydrogel-properties-to-promote-the-assembly-of-salivary-gland-spheroids-in-3d
#12
Tugba Ozdemir, Eric W Fowler, Shuang Liu, Daniel A Harrington, Robert L Witt, Mary C Farach-Carson, Swati Pradhan-Bhatt, Xinqiao Jia
Current treatments for chronic xerostomia, or "dry mouth", do not offer long-term therapeutic benefits for head and neck cancer survivors previously treated with curative radiation. Towards the goal of creating tissue-engineered constructs for the restoration of salivary gland functions, we developed new hyaluronic acid (HA)-based hydrogels using thiolated HA (HA-SH) and acrylated HA (HA-AES) with a significant molecular weight mismatch. Four hydrogel formulations with varying HA concentration, (1-2.4 wt%) and thiol/acrylate ratios (2/1 to 36/1) and elastic moduli (G': 35 to 1897 Pa, 2 h post-mixing) were investigated...
December 12, 2016: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/27937753/isolation-and-characterization-of-multipotent-mesenchymal-stem-cells-adhering-to-adipocytes-in-canine-bone-marrow
#13
Hsing-Yi Lin, Naoki Fujita, Kentaro Endo, Maresuke Morita, Tae Takeda, Takayuki Nakagawa, Ryohei Nishimura
The ceiling culture method has been used to isolate mature adipocytes from adipose tissue that can be dedifferentiated into fibroblastic cells, also known as dedifferentiated fat (DFAT) cells that self-renew and are multipotent, with much higher homogeneity and colony-forming efficiency than those of adipose tissue-derived mesenchymal stem cells. We cultured adipocytes from canine bone marrow using this technique, with the expectation of obtaining DFAT cells. However, contrary to our expectations, continuous monitoring of ceiling cultures by time-lapse microscopy revealed many small cells adhering to adipocytes that proliferated rapidly into cells with a fibroblastic morphology and without any dedifferentiation from adipocytes...
December 3, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27925313/isolation-proliferation-and-characterization-of-endometrial-canine-stem-cells
#14
V De Cesaris, S Grolli, C Bresciani, V Conti, G Basini, E Parmigiani, E Bigliardi
In the last decade, progenitor cells isolated from dissociated endometrial tissue have been the subject of many studies in several animal species. Recently, endometrial cells showing characteristics of mesenchymal stem cells (MSC) have been demonstrated in human, pig and cow uterine tissue samples. The aim of this study was the isolation and characterization of stromal cells from the endometrium of healthy bitches, a tissue that after elective surgery is routinely discarded. Multipotent stromal cells could be isolated from all bitches enrolled in the study (n = 7)...
December 7, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27881051/mechanisms-of-immune-suppression-utilized-by-canine-adipose-and-bone-marrow-derived-mesenchymal-stem-cells
#15
Lyndah Chow, Valerie Johnson, Jonathan Coy, Dan Regan, Steven Dow
Mesenchymal stem cells (MSCs) from rodents and humans have been shown to suppress T cells by distinct primary pathways, with nitric oxide (NO)-dependent pathways dominating in rodents and indoleamine 2,3-deoxygenase (IDO)-dependent pathways dominating in humans. However, the immune suppressive pathways utilized by canine MSC have not been thoroughly studied, nor have bone marrow-derived MSC (BM-MSC) and adipose-derived MSC (Ad-MSC) been directly compared for their immune modulatory potency or pathway utilization...
January 24, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/27878275/method-for-in%C3%A2-vitro-differentiation-of-bone-marrow-mesenchymal-stem-cells-into-endothelial-progenitor-cells-and-vascular-endothelial-cells
#16
Qihong Wang, Weifeng Zhang, Guifen He, Huifang Sha, Zhe Quan
Vascular development is a regulated process and is dependent on the participation and differentiation of many cell types including the proliferation and migration of vascular endothelial cells and differentiation of endothelial progenitor cells (EPCs) to mesodermal precursor cells. Thus, reconstitution of this process in vitro necessitates providing ambient conditions for generating and culturing EPCs in vitro and differentiating them to vascular endothelial cells. In the present study, we developed methods to differentiate bone marrow mesenchymal stem cells (MSC) into EPCs and to vascular endothelial cells...
December 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27876576/the-bone-regenerative-capacity-of-canine-mesenchymal-stem-cells-is-regulated-by-site-specific-multilineage-differentiation
#17
Juan Bugueño, Weihua Li, Pinky Salat, Ling Qin, Sunday O Akintoye
OBJECTIVES: Mesenchymal stem cells (MSCs) offer a promising therapy in dentistry because of their multipotent properties. Selecting donor MSCs is crucial because Beagle dogs (canines) commonly used in preclinical studies have shown variable outcomes, and it is unclear whether canine MSCs (cMSCs) are skeletal site specific. This study tested whether jaw and long bone cMSCs have disparate in vitro and in vivo multilineage differentiation capabilities. STUDY DESIGN: Primary cMSCs were isolated from the mandible (M-cMSCs) and femur (F-cMSCs) of four healthy Beagle dogs...
February 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27861292/long-term-tolerance-toward-haploidentical-vascularized-composite-allograft-transplantation-in-a-canine-model-using-bone-marrow-or-mobilized-stem-cells
#18
Jeff Chang, Scott S Graves, Tiffany Butts-Miwongtum, George E Sale, Rainer Storb, David Woodbridge Mathes
BACKGROUND: The development of safe and reliable protocols for the transplantation of the face and hands may be accomplished with animal modeling of transplantation of vascularized composite allografts (VCA). Previously, we demonstrated that tolerance to a VCA could be achieved after canine recipients were simultaneously given marrow from a dog leukocyte antigen-identical donor. In the present study, we extend those findings across a dog leukocyte antigen mismatched barrier. METHODS: Eight recipient dogs received total body irradiation (4...
December 2016: Transplantation
https://www.readbyqxmd.com/read/27842458/suppression-of-canine-dendritic-cell-activation-maturation-and-inflammatory-cytokine-release-by-mesenchymal-stem-cells-occurs-through-multiple-distinct-biochemical-pathways
#19
William H Wheat, Lyndah Chow, Jade N Kurihara, Daniel P Regan, Jonathan W Coy, Tracy L Webb, Steven W Dow
Mesenchymal stem cells (MSC) represent a readily accessible source of cells with potent immune modulatory activity. MSC can suppress ongoing inflammatory responses by suppressing T cell function, while fewer studies have examined the impact of MSC on dendritic cell (DC) function. The dog spontaneous disease model represents an important animal model with which to evaluate the safety and effectiveness of cellular therapy with MSC. This study evaluated the effects of canine MSC on the activation and maturation of canine monocyte-derived DC, as well as mechanisms underlying these effects...
February 15, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/27824291/development-of-a-micronized-meniscus-extracellular-matrix-scaffold-for-potential-augmentation-of-meniscal-repair-and-regeneration
#20
Farrah A Monibi, Chantelle C Bozynski, Keiichi Kuroki, Aaron M Stoker, Ferris M Pfeiffer, Seth L Sherman, James L Cook
Decellularized scaffolds composed of extracellular matrix (ECM) hold promise for repair and regeneration of the meniscus, given the potential for ECM-based biomaterials to aid in stem cell recruitment, infiltration, and differentiation. The objectives of this study were to decellularize canine menisci to fabricate a micronized, ECM-derived scaffold and to determine the cytocompatibility and repair potential of the scaffold ex vivo. Menisci were decellularized with a combination of physical agitation and chemical treatments...
December 2016: Tissue Engineering. Part C, Methods
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