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https://www.readbyqxmd.com/read/27907211/characterization-and-immunomodulatory-effects-of-canine-adipose-tissue-and-bone-marrow-derived-mesenchymal-stromal-cells
#1
Keith A Russell, Natalie H C Chow, David Dukoff, Thomas W G Gibson, Jonathan LaMarre, Dean H Betts, Thomas G Koch
BACKGROUND: Mesenchymal stromal cells (MSC) hold promise for both cell replacement and immune modulation strategies owing to their progenitor and non-progenitor functions, respectively. Characterization of MSC from different sources is an important and necessary step before clinical use of these cells is widely adopted. Little is known about the biology and function of canine MSC compared to their mouse or human counterparts. This knowledge-gap impedes development of canine evidence-based MSC technologies...
2016: PloS One
https://www.readbyqxmd.com/read/27906060/discrete-adipose-derived-stem-cell-subpopulations-may-display-differential-functionality-after-in-vitro-expansion-despite-convergence-to-a-common-phenotype-distribution
#2
Frederik Mølgaard Nielsen, Simone Elkjær Riis, Jens Isak Andersen, Raphaëlle Lesage, Trine Fink, Cristian Pablo Pennisi, Vladimir Zachar
BACKGROUND: Complex immunophenotypic repertoires defining discrete adipose-derived stem cell (ASC) subpopulations may hold a key toward identifying predictors of clinical utility. To this end, we sorted out of the freshly established ASCs four subpopulations (SPs) according to a specific pattern of co-expression of six surface markers, the CD34, CD73, CD90, CD105, CD146, and CD271, using polychromatic flow cytometry. METHOD: Using flow cytometry-associated cell sorting and analysis, gating parameters were set to select for a CD73(+)CD90(+)CD105(+) phenotype plus one of the four following combinations, CD34(-)CD146(-)CD271(-) (SP1), CD34(-)CD146(+)CD271(-) (SP2), CD34(+)CD146(+)CD271(-) (SP3), and CD34(-)CD146(+)CD271(+) (SP4)...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27900891/chondrogenesis-of-human-adipose-derived-stem-cells-for-future-microtia-repair-using-co-culture-technique
#3
Bee See Goh, Siti Nurhadis Che Omar, Muhammad Azhan Ubaidah, Lokman Saim, Shamsul Sulaiman, Kien Hui Chua
CONCLUSION: In conclusion, these result showed HADSCs could differentiate into chondrocytes-like cells, dependent on signaling induced by TGF-β3 and chondrocytes. This is a promising result and showed that HADSCs is a potential source for future microtia repair. The technique of co-culture is a positive way forward to assist the microtia tissue. OBJECTIVE: Reconstructive surgery for the repair of microtia still remains the greatest challenge among the surgeons...
November 30, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27899238/goat-umbilical-cord-cells-are-permissive-to-small-ruminant-lentivirus-infection-in-vitro
#4
Gabrielle R Martins, Rebeca C Marinho, Rosivaldo Q Bezerra Junior, Antoniel de O Alves, Lilia M C Câmara, Luiz C Albuquerque-Pinto, Maria F da S Teixeira
Small ruminant lentiviruses isolated from peripheral blood leukocytes and target organs can be propagated in vitro in fibroblasts derived from goat synovial membrane cells. These cells are obtained from tissues collected from embryos or fetuses and are necessary for the establishment of the fibroblast primary culture. A new alternative type of host cells, derived from goat umbilical cord, was isolated and characterized phenotypically with its main purpose being to obtain cell monolayers that could be used for the diagnosis and isolation of small ruminant lentiviruses in cell culture...
November 19, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/27895854/differential-expression-of-aristaless-like-homeobox-4-a-potential-marker-for-gastric-adenocarcinoma
#5
Fariba Ghasemvand, Navid Nezafat, Saeed Hesami Tackallou, Daruosh Momenzadeh, Saeid Rahmanzadeh
AIM: The objective of this experiment was to evaluate the ALX-4 mRNA expression level in different stages of human gastric adenocarcinoma compared to the gastric cancer stem cells (GCSC) and gastric cancer cell line, MKN-45. BACKGROUND: Gastric cancer is the second most common cancer in the world today, leading approximately to 3-10% of all cancer-related deaths. Identification of specific biomarkers could be a crucial approach to improve diagnosis and treatment of this cancer type...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27893630/a-comprehensive-in-vitro-comparison-of-preparation-techniques-for-fat-grafting
#6
Libor Streit, Josef Jaros, Veronika Sedlakova, Miroslava Sedlackova, Lubos Drazan, Michal Svoboda, Jakub Pospisil, Tomas Vyska, Jiri Vesely, Ales Hampl
BACKGROUND: Lipomodelling is a technique that uses patient's own fat for tissue regeneration and augmentation. The extent of regenerative effect is reported to be determined by the numbers of adipose tissue-derived stem cells (ASCs) and the viability of cells in processed adipose tissue, which, together with other factors, influence the degree of graft retention. This study addresses whether differences exist in properties of fat graft obtained by three commonly used techniques. METHODS: Adipose tissue harvested from the hypo-gastric regions of 14 patients was processed by decantation, centrifugation, and membrane-based tissue filtration...
November 21, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27887719/leucine-rich-repeat-containing-g-protein-coupled%C3%A2-receptor%C3%A2-5-positive%C3%A2-cells%C3%A2-in-the-endometrial-stem-cell-niche
#7
Irene Cervelló, Claudia Gil-Sanchis, Xavier Santamaría, Amparo Faus, Julia Vallvé-Juanico, Patricia Díaz-Gimeno, Oriana Genolet, Antonio Pellicer, Carlos Simón
OBJECTIVE: To study, isolate and characterize leucine-rich repeat-containing heterotrimeric guanine nucleotide-binding protein-coupled receptor 5 (LGR5)-positive cells from human endometrium to determine their functional relevance. DESIGN: Prospective experimental animal study. SETTING: University research laboratories. ANIMAL(S): Nonobese diabetic mice (NOD-SCID) (strain code 394; NOD.CB17-Prkdc(scid)/NcrCrl). INTERVENTION(S): Human LGR5(+) cells were labeled with superparamagnetic iron oxide nanoparticles (SPIOs) and injected under the kidney capsule in immunocompromised mice...
November 22, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27883224/basic-fibroblast-growth-factor-regulates-rex1-expression-via-il-6-in-stem-cells-isolated-from-human-exfoliated-deciduous-teeth
#8
Nunthawan Nowwarote, Waleerat Sukarawan, Prasit Pavasant, Thanaphum Osathanon
Basic fibroblast growth factor (bFGF) regulates pluripotent marker expression and cellular differentiation in various cell types. However, the mechanism by which bFGF regulates REX1 expression in stem cells isolated from human exfoliated deciduous teeth (SHEDs) remains unclear. The aim of the present study was to investigate the regulation of REX1 expression by bFGF in SHEDs. SHEDs were isolated and characterized. Their mRNA and protein expression levels were determined using real-time polymerase chain reaction and enzyme-linked immunosorbent assay, respectively...
November 24, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27879591/comparison-of-endothelial-differentiation-capacities-of-human-and-rat-adipose-derived-stem-cells
#9
Hakan Orbay, Kamaljit Devi, Priscilla A Williams, Tima Dehghani, Eduardo A Silva, David E Sahar
BACKGROUND: The authors compared the endothelial differentiation capacities of human and rat adipose-derived stem cells to determine whether human adipose-derived stem cells can be a source of endothelial cells clinically. METHODS: Human and rat adipose-derived stem cells were harvested and characterized with flow cytometry and trilineage differentiation. Cells from passages III through V were fed with endothelial cell differentiation medium for up to 3 weeks. Cells were harvested after 1, 2, and 3 weeks, and endothelial differentiation was evaluated with quantitative reverse-transcriptase polymerase chain reaction, flow cytometry, and angiogenic sprouting assays...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27878730/mesenchymal-epithelial-transition-in-culture-of-stromal-progenitor-cells-isolated-from-the-liver-of-a-patient-with-alcoholic-cirrhosis
#10
I V Kholodenko, R V Kholodenko, G V Manukyan, V V Burunova, K N Yarygin
The cells isolated from biopsy specimen of a patient with alcoholic liver cirrhosis and cultured under standard conditions for obtaining stromal cell culture clearly diverged during early passages into two morphologically and phenotypically different subtypes: epithelial and mesenchymal. Mesenchymal cells expressed CD90 and CD44 and epithelial cells expressed CD166, CD227, and hepatocyte growth factor receptor Met. Starting from passage 6, the culture underwent spontaneous morphological changes and by passages 8-10 contained only epithelium-like cells...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27878497/role-of-tissue-specific-stem-and-progenitor-cells-in-the-regeneration-of-the-pancreas-and-testicular-tissue-in-diabetic-disorders
#11
E G Skurikhin, A V Pakhomova, N N Ermakova, O V Pershina, V A Krupin, E S Pan, A I Kudryashova, L A Ermolaeva, A M Dygai
Using the model of hypogonadism in C57Bl/6 male mice, we showed that injection of streptozotocin to newborn animals and high-fat diet induced serum IFN-γ and IL-17 elevation, glucose metabolism disturbances, insulin resistance, destructive changes of the Langerhans islets (deficit of PDX1(+)β cells), while the number of oligopotent β cell precursors (CD45(-)TER119(-)CD133(+)CD49f(low)) increased. Diabetes played the role of an inducer of testicular tissue inflammation (pan-hemopoietic cell infiltration, increase of IL-2, IL-17, and IL-23 content) and reproductive system disturbances in mice (decrease in free testosterone concentration, suppression of spermatogenesis, and infertility)...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27877076/cardiomyogenic-differentiation-of-human-dental-follicle-derived-stem-cells-by-suberoylanilide-hydroxamic-acid-and-their-in-vivo-homing-property
#12
Iel-Yong Sung, Han-Na Son, Imran Ullah, Dinesh Bharti, Ju-Mi Park, Yeong-Cheol Cho, June-Ho Byun, Young-Hoon Kang, Su-Jin Sung, Jong-Woo Kim, Gyu-Jin Rho, Bong-Wook Park
The purpose of the present study was to investigate the in vitro cardiomyogenic differentiation potential of human dental follicle-derived stem cells (DFCs) under the influence of suberoylanilide hydroxamic acid (SAHA), a member of the histone deacetylase inhibitor family, and analyze the in vivo homing capacity of induced cardiomyocytes (iCMs) when transplanted systemically. DFCs from extracted wisdom teeth showed mesenchymal stem cell (MSC) characteristics such as plate adherent growing, expression of MSC markers (CD44, CD90, and CD105), and mesenchymal lineage-specific differentiation potential...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27860364/a-reproducible-method-for-the-isolation-and-expansion-of-ovine-mesenchymal-stromal-cells-from-bone-marrow-for-use-in-regenerative-medicine-preclinical-studies
#13
Marta Caminal, Roberto Vélez, Rosa Maria Rabanal, Daniel Vivas, Laura Batlle-Morera, Màrius Aguirre, Jordi Barquinero, Joan García, Joaquim Vives
The use of multipotent mesenchymal stromal cells (MSCs) as candidate medicines for treating a variety of pathologies is based on their qualities as either progenitors for the regeneration of damaged tissue or producers of a number of molecules with pharmacological properties. Preclinical product development programmes include the use of well characterized cell populations for proof of efficacy and safety studies before testing in humans. In the field of orthopaedics, an increasing number of translational studies use sheep as an in vivo test system because of the similarities with humans in size and musculoskeletal architecture...
November 18, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27859461/gene-expression-profiles-of-human-subcutaneous-and-visceral-adipose-derived-stem-cells
#14
Boyun Kim, Boram Lee, Mi-Kyung Kim, Seung Pyo Gong, Noh Hyun Park, Hyun Hoon Chung, Hee Seung Kim, Jae Hong No, Woong Yang Park, Ae Kyung Park, Jeong Mook Lim, Yong Sang Song
Subcutaneous and visceral adipose tissues show a different risk effect on metabolic disorders because they have distinct cellular properties. We isolated stem cells from the separate human adipose tissues to investigate that subcutaneous and visceral fat depots have metabolic differences. Adipose-derived stem cells (ASCs) were characterized by immunophenotype and differentiation potentials into adipogenic, osteogenic, and chondrogenic lineages. Although subcutaneous and visceral ASCs (S-ASC and V-ASC) express same surface markers (CD31(-) , CD34(-) , CD45(-) , CD73(+) , CD90(+) , and CD105(+) ) and have differentiation potentials, S-ASCs had higher capacity to proliferate and to differentiate into adipogenic lineage than V-ASCs...
November 17, 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27847750/in-vitro-characterization-of-human-dental-pulp-stem-cells-isolated-by-three-different-methods
#15
Ji-Hyun Jang, Hyeon-Woo Lee, Kyu Min Cho, Hee-Woong Shin, Mo Kwan Kang, Sang Hyuk Park, Euiseong Kim
OBJECTIVES: In this study, we characterized human dental pulp cells (HDPCs) obtained by different culture methods to establish the most suitable methodology for dental tissue engineering and regenerative endodontic applications. MATERIALS AND METHODS: HDPCs were isolated by the outgrowth method (HDPCs-OG), the enzymatic digestion method (collagenase/dispase/trypsin, HDPCs-ED), or the combination of both methods (HDPCs-Combined). The expression of mesenchymal stem cell markers (CD105, CD90, and CD73) was investigated...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847139/stem-cell-marker-expression-in-persistent-apical-periodontitis
#16
Carlos Estrela, Brunno Santos Freitas Silva, Júlio A Silva, Fernanda P Yamamoto-Silva, Décio Dos Santos Pinto-Júnior, Ricardo Santiago Gomez
INTRODUCTION: This study evaluated the expression of CD90 (mesenchymal stem cell) and Sox2 (progenitor stem cell) markers in persistent apical periodontitis (PAP) (n = 16) and primary periapical lesions (PPLs) (n = 10). METHODS: All samples were classified histologically according to the intensity of inflammatory cell infiltrate in the periapical lesion. Immunohistochemistry was used to detect CD90 and Sox2 in PAP and PPLs. The Spearman correlation coefficient and the Mann-Whitney U test were used to analyze data at the 5% significance level...
November 12, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27835990/mir-589-5p-inhibits-map3k8-and-suppresses-cd90-cancer-stem-cells-in-hepatocellular-carcinoma
#17
Xi Zhang, Peng Jiang, Ling Shuai, Kai Chen, Zhonghu Li, Yujun Zhang, Yan Jiang, Xiaowu Li
BACKGROUND: Cancer stem cells (CSCs) are important in the tumorigenesis and progression of hepatocellular carcinoma (HCC). MicroRNAs (miRNAs) play crucial roles regulating CD133(+) and EpCAM(+) CSCs in HCC, although it is unclear whether miRNAs regulate CD90(+) CSCs in HCC. METHODS: The miRNA profiles of CD90(+) and CD90(-) HCC cells were analyzed using a miRNA microarray and quantitative real-time PCR (qRT-PCR). CSC characteristics were examined by qRT-PCR and Western blot of pluripotency-associated genes, clone and sphere formation assay, transwell migration assay, and nude mice tumorigenicity assay...
November 11, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27830546/thy-1-cd90-positive-hepatic-progenitor-cells-hepatoctyes-and-non-parenchymal-liver-cells-isolated-from-human-livers
#18
Thomas S Weiss, Rania Dayoub
In response to liver injury, hepatic cells, especially hepatocytes, can rapidly proliferate to repair liver damage. Additionally, it was shown that under certain circumstances liver resident cells with progenitor capabilities are involved in liver cell proliferation and differentiation. These hepatic progenitor cells (HPCs), known as oval cells in rodents, are derived from the canals of Hering, which are located in the periportal region of the liver. Regarding to different cell niches, which were defined for human HPCs, several markers have been used to identify these cells such as CD34, c-kit, OV-6, and Thy-1 (CD90)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27827829/distinct-signaling-programs-control-human-hematopoietic-stem-cell-survival-and-proliferation
#19
David J H F Knapp, Colin A Hammond, Nima Aghaeepour, Paul H Miller, Davide Pellacani, Philip A Beer, Karen Sachs, Wenlian Qiao, WeiJia Wang, R Keith Humphries, Guy Sauvageau, Peter W Zandstra, Sean C Bendall, Garry P Nolan, Carl Hansen, Connie J Eaves
Several growth factors (GFs) that together promote quiescent human hematopoietic stem cell (HSC) expansion ex vivo have been identified. However, the molecular mechanisms by which these GFs regulate the survival, proliferation and differentiation of human HSCs remain poorly understood. We now describe experiments in which we used mass cytometry to simultaneously measure multiple surface markers, transcription factors, active signaling intermediates, viability and cell cycle indicators in single CD34(+) cord blood cells before and up to 2 hours after their stimulation with SCF, FLT3L, IL3, IL6, and G-CSF either alone or combined...
November 8, 2016: Blood
https://www.readbyqxmd.com/read/27824146/single-cell-clones-purified-from-human-parotid-glands-display-features-of-multipotent-epitheliomesenchymal-stem-cells
#20
TacGhee Yi, Songyi Lee, Nahyun Choi, Hyun-Soo Shin, Junghee Kim, Jae-Yol Lim
A better understanding of the biology of tissue-resident stem cell populations is essential to development of therapeutic strategies for regeneration of damaged tissue. Here, we describe the isolation of glandular stem cells (GSCs) from a small biopsy specimen from human parotid glands. Single colony-forming unit-derived clonal cells were isolated through a modified subfractionation culture method, and their stem cell properties were examined. The isolated clonal cells exhibited both epithelial and mesenchymal stem cell (MSC)-like features, including differentiation potential and marker expression...
November 8, 2016: Scientific Reports
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