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Mesenchymal stromal cell

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https://www.readbyqxmd.com/read/28811575/biological-and-functional-characterization-of-bone-marrow-derived-mesenchymal-stromal-cells-from-patients-affected-by-primary-immunodeficiency
#1
Nadia Starc, Daniela Ingo, Antonella Conforti, Valeria Rossella, Luigi Tomao, Angela Pitisci, Fabiola De Mattia, Immacolata Brigida, Mattia Algeri, Mauro Montanari, Giuseppe Palumbo, Pietro Merli, Paolo Rossi, Alessandro Aiuti, Franco Locatelli, Maria Ester Bernardo
Mesenchymal stromal cells (MSCs) represent a key component of bone marrow (BM) microenvironment and display immune-regulatory properties. We performed a detailed analysis of biological/functional properties of BM-MSCs derived from 33 pediatric patients affected by primary immune-deficiencies (PID-MSCs): 7 Chronic Granulomatous Disease (CGD), 15 Wiskott-Aldrich Syndrome (WAS), 11 Severe Combined Immunodeficiency (SCID). Results were compared with MSCs from 15 age-matched pediatric healthy-donors (HD-MSCs). Clonogenic and proliferative capacity, differentiation ability, immunophenotype, immunomodulatory properties were analyzed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809840/a-novel-clinical-grade-isolation-method-for-human-kidney-perivascular-stromal-cells
#2
Daniëlle G Leuning, Ellen Lievers, Marlies E J Reinders, Cees van Kooten, Marten A Engelse, Ton J Rabelink
Mesenchymal Stromal Cells (MSCs) are tissue homeostatic and immune modulatory cells that have shown beneficial effects in kidney diseases and transplantation. Perivascular Stromal Cells (PSCs) share characteristics with bone marrow MSCs (bmMSCs). However, they also possess, most likely due to local imprinting, tissue-specific properties and play a role in local tissue homeostasis. This tissue specificity may result in tissue specific repair, also within the human kidney. We previously showed that human kidney PSCs (kPSCs) have enhanced kidney epithelial wound healing whereas bmMSCs did not have this potential...
August 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28809824/creation-and-transplantation-of-an-adipose-derived-stem-cell-asc-sheet-in-a-diabetic-wound-healing-model
#3
Yuka Kato, Takanori Iwata, Kaoru Washio, Toshiyuki Yoshida, Hozue Kuroda, Shunichi Morikawa, Mariko Hamada, Kazuki Ikura, Nobuyuki Kaibuchi, Masayuki Yamato, Teruo Okano, Yasuko Uchigata
Artificial skin has achieved considerable therapeutic results in clinical practice. However, artificial skin treatments for wounds in diabetic patients with impeded blood flow or with large wounds might be prolonged. Cell-based therapies have appeared as a new technique for the treatment of diabetic ulcers, and cell-sheet engineering has improved the efficacy of cell transplantation. A number of reports have suggested that adipose-derived stem cells (ASCs), a type of mesenchymal stromal cell (MSC), exhibit therapeutic potential due to their relative abundance in adipose tissue and their accessibility for collection when compared to MSCs from other tissues...
August 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28807051/mesenchymal-stromal-cells-ameliorate-oxidative-stress-induced-islet-endothelium-apoptosis-and-functional-impairment-via-wnt4-%C3%AE-catenin-signaling
#4
Lingshu Wang, Li Qing, He Liu, Na Liu, Jingting Qiao, Chen Cui, Tianyi He, Ruxing Zhao, Fuqiang Liu, Fei Yan, Chuan Wang, Kai Liang, Xinghong Guo, Ying H Shen, Xinguo Hou, Li Chen
BACKGROUND: Islet dysfunction and destruction are the common cause for both type 1 and type 2 diabetes mellitus (T2DM). The islets of Langerhans are highly vascularized miniorgans, and preserving the structural integrity and full function of the microvascular endothelium is vital for protecting the islets from the infiltration of immune cells and secondary inflammatory attack. Mesenchymal stromal cell (MSC)-based therapies have been proven to promote angiogenesis of the islets; however, the underlying mechanism for the protective role of MSCs in the islet endothelium is still vague...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28807010/angiogenic-potency-evaluation-of-cell-therapy-candidates-by-a-novel-application-of-the-in-vitro-aortic-ring-assay
#5
Farwah Iqbal, Peter Szaraz, Matthew Librach, Andrée Gauthier-Fisher, Clifford L Librach
BACKGROUND: Due to limitations of current angiogenesis assays, we aimed to develop a novel application of the rat aortic ring assay to assess the angiogenic potential of mesenchymal stromal cells (MSCs). First-trimester human umbilical cord-derived perivascular cells (FTM HUCPVCs) have multipotent characteristics and previously demonstrated angiogenic potential. We compared the effect of this young source of MSCs and adult bone marrow stromal cells (BMSCs) on ex vivo aortic endothelial network formation...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28805906/technical-note-induction-of-pluripotent-stem-cell-like-cells-from-chicken-feather-follicle-cells
#6
Y M Kim, Y H Park, J M Lim, H Jung, J Y Han
Pluripotent stem cells including embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC) are regarded as representative tools for conservation of animal genetic resources. Although ESC have been established from chicken, it is very difficult to obtain enough embryos for isolation of stem cells for avian conservation in most wild birds. Therefore, the high feasibility of obtaining the pluripotent cell is most important in avian conservation studies. In this study, we generated induced pluripotent stem cell-like cells (iPSLC) from avian Feather Follicular cells (FFC)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805807/notch-signaling-pathway-and-gene-expression-profiles-during-early-in-vitro-differentiation-of-liver-derived-mesenchymal-stromal-cells-to-osteoblasts
#7
Ksymena Urbanek, Marta Lesiak, Daniel Krakowian, Halina Koryciak-Komarska, Wirginia Likus, Piotr Czekaj, Damian Kusz, Aleksander L Sieroń
Notch signaling is a key signaling pathway for cell proliferation and differentiation. Therefore, we formulated a working hypothesis that Notch signaling can be used to detect early osteoblastic differentiation of mesenchymal stromal cells. Changes in expression and distribution of Notch 1, 2, 3, and Delta1 in the cytoplasm and nuclei of rat liver-derived mesenchymal stromal cells differentiating into osteoblasts were investigated, together with the displacement of intracellular domains (ICDs) of the receptors...
August 14, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28804562/premature-exhaustion-of-mesenchymal-stromal-cells-from-myelodysplastic-syndrome-patients
#8
Yanbin Pang, Chengxin Deng, Suxia Geng, Jianyu Weng, Peilong Lai, Pengjun Liao, Lingji Zeng, Zesheng Lu, Jing Zhang, Xin Du
Myelodysplastic syndrome (MDS) predominantly occurs in aging people. Over the past decades, the cellular and molecular pathologies of MDS cells have been intensively investigated. However, how the bone marrow stromal niches are altered during MDS development remains elusive. In this study, we attempted to isolate and characterize mesenchymal stromal cells (MSCs) from 30 MDS patients. We observed that only 9/30 bone marrow aspirations from MDS patients successfully formed a monolayer in vitro, while 17/17 bone marrow aspirations from normal donors (median age 45 years, range: 22-73 years) succeeded in this process...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28802066/targeting-senescent-cholangiocytes-and-activated-fibroblasts-with-bcl-xl-inhibitors-ameliorates-fibrosis-in-mdr2-mice
#9
Anja Moncsek, Mohammed S Al-Suraih, Christy E Trussoni, Steven P O'Hara, Patrick L Splinter, Camille Zuber, Eleonora Patsenker, Piero V Valli, Christian D Fingas, Achim Weber, Yi Zhu, Tamar Tchkonia, James L Kirkland, Gregory J Gores, Beat Müllhaupt, Nicholas F LaRusso, Joachim C Mertens
Cholangiocyte senescence has been linked to primary sclerosing cholangitis (PSC). Persistent secretion of growth factors by senescent cholangiocytes leads to the activation of stromal fibroblasts (ASF), which are drivers of fibrosis. The activated phenotype of ASF is characterized by an increased sensitivity to apoptotic stimuli. Here, we examined the mechanisms of apoptotic priming in ASF and explored a combined targeting strategy to deplete senescent cholangiocytes and ASF from fibrotic tissue to ameliorate liver fibrosis...
August 12, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28801687/human-mesenchymal-stromal-cell-sheet-enhances-allograft-repair-in-a-mouse-model
#10
Xifu Shang, Bing Shu, Yongjun Wang, Zhengliang Luo, Guangxi Wang, Shane Barton, Massimo Max Morandi, Christopher Kevil, Yufeng Dong
To determine whether cell sheets generated with long-term passaged (P10) aging human mesenchymal stromal cells (MSCs) could be used for bone tissue regeneration as tissue engineered periosteum in a femoral allograft mouse model similar to fresh passaged (P3) young MSCs. At 3 weeks after transplantation of MSC sheets, results showed more bony callus formed between allograft and host bone ends in both young P3 MSC and aged P10 MSC sheet-wrapped groups when compared to allograft alone. At 6 weeks, while both MSC sheet-wrapped allografts showed more bony callus formation when compared to allograft alone groups, the bony callus size in aged P10 MSC sheet groups was significantly less than young P3 MSC sheet groups...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801055/therapy-with-mesenchymal-stromal-cells-or-conditioned-medium-reverse-cardiac-alterations-in-a-high-fat-diet-induced-obesity-model
#11
P S Daltro, B C Barreto, P G Silva, P Chenaud Neto, P H F Sousa Filho, D Santana Neta, G B Carvalho, D N Silva, B D Paredes, A C de Alcantara, L A R Freitas, R D Couto, R R Santos, B S F Souza, M B P Soares, S G Macambira
BACKGROUND: Obesity is associated with numerous cardiac complications, including arrhythmias, cardiac fibrosis, remodeling and heart failure. Here we evaluated the therapeutic potential of mesenchymal stromal cells (MSCs) and their conditioned medium (CM) to treat cardiac complications in a mouse model of high-fat diet (HFD)-induced obesity. METHODS: After obesity induction and HFD withdrawal, obese mice were treated with MSCs, CM or vehicle. Cardiac function was assessed using electrocardiography, echocardiography and treadmill test...
August 8, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28800871/malignant-pleural-mesothelioma-state-of-the-art-and-advanced-cell-therapy
#12
Giorgio Facchetti, Francesco Petrella, Lorenzo Spaggiari, Isabella Rimoldi
Malignant Pleural Mesothelioma (MPM) is an aggressive malignancy highly resistant to chemotherapy, with a response rate of 20% of patients and for this reason an efficient treatment is still a challenge. Platinum-based chemotherapy in association with a third-generation antifolate is the front-line standard of care whereas any second-line treatment was approved for MPM thus making it a pathology that evokes the need for new therapeutic agents. Different platinum-drugs were synthesised and tested as an option for patients who are not candidates to cisplatin-based therapy...
August 2, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28800175/mesenchymal-stromal-cells-contribute-to-quiescence-of-therapy-resistant-leukemic-cells-in-acute-myeloid-leukemia
#13
Wenwen Wang, Tilmann Bochtler, Patrick Wuchter, Linda Manta, Haiju He, Volker Eckstein, Anthony D Ho, Christoph Lutz
OBJECTIVE: Persistence of leukemic cells after induction therapy has been shown to correlate with poor survival in acute myeloid leukemia (AML). In this study we tested if human mesenchymal stromal cells (hMSC) have protective effects on leukemic cells undergoing chemotherapy. METHODS: Persistent disease was used as marker to identify cases with therapy resistant leukemic cells in 95 AML patients. Immunophenotyping, cell cycle and apoptosis assays were assessed by flow-cytometry...
August 11, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28799674/ultrastructural-characteristics-of-ovine-bone-marrow-derived-mesenchymal-stromal-cells-cultured-with-a-silicon-stabilized-tricalcium-phosphate-bioceramic
#14
Salvatore Desantis, Gianluca Accogli, Janina Burk, Sara Zizza, Maria Mastrodonato, Edda G Francioso, Roberta Rossi, Antonio Crovace, Leonardo Resta
Bioceramics are being used in experimental bone engineering application in association with bone marrow derived mesenchymal stem cells (BM-MSCs) as a new therapeutic tool, but their effects on the ultrastructure of BM-MSCs are yet unknown. In this study we report the morphological features of ovine (o)BM-MSCs cultured with Skelite, a resorbable bioceramic based on silicon stabilized tricalcium phosphate (SiTCP), able to promote the repair of induced bone defect in sheep model. oBM-MSCs were isolated from the iliac crest, cultured until they reached near-confluence and incubated with SiTCP...
August 11, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28798857/the-role-of-shear-stress-and-altered-tissue-properties-on-endothelial-to-mesenchymal-transformation-and-tumor-endothelial-cell-interaction
#15
Sara G Mina, Peter Huang, Bruce T Murray, Gretchen J Mahler
Tumor development is influenced by stromal cells in aspects including invasion, growth, angiogenesis, and metastasis. Activated fibroblasts are one group of stromal cells involved in cancer metastasis, and one source of activated fibroblasts is endothelial to mesenchymal transformation (EndMT). EndMT begins when the endothelial cells delaminate from the cell monolayer, lose cell-cell contacts, lose endothelial markers such as vascular endothelial-cadherin (VE-cadherin), gain mesenchymal markers like alpha-smooth muscle actin (α-SMA), and acquire mesenchymal cell-like properties...
July 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28796790/mesenchymal-stromal-cells-msc-from-jak2-myeloproliferative-neoplasms-differ-from-normal-msc-and-contribute-to-the-maintenance-of-neoplastic-hematopoiesis
#16
Teresa L Ramos, Luis Ignacio Sánchez-Abarca, Beatriz Rosón-Burgo, Alba Redondo, Ana Rico, Silvia Preciado, Rebeca Ortega, Concepción Rodríguez, Sandra Muntión, Ángel Hernández-Hernández, Javier De Las Rivas, Marcos González, José Ramón González Porras, Consuelo Del Cañizo, Fermín Sánchez-Guijo
There is evidence of continuous bidirectional cross-talk between malignant cells and bone marrow-derived mesenchymal stromal cells (BM-MSC), which favors the emergence and progression of myeloproliferative neoplastic (MPN) diseases. In the current work we have compared the function and gene expression profile of BM-MSC from healthy donors (HD-MSC) and patients with MPN (JAK2V617F), showing no differences in the morphology, proliferation and differentiation capacity between both groups. However, BM-MSC from MPN expressed higher mean fluorescence intensity (MIF) of CD73, CD44 and CD90, whereas CD105 was lower when compared to controls...
2017: PloS One
https://www.readbyqxmd.com/read/28795778/time-dependent-effect-of-electrical-stimulation-on-osteogenic-differentiation-of-bone-mesenchymal-stromal-cells-cultured-on-conductive-nanofibers
#17
Siqi Zhu, Wei Jing, Xiaoqing Hu, Zirong Huang, Qing Cai, Yingfang Ao, Xiaoping Yang
Bone tissue engineering using bone mesenchymal stromal cells (BMSCs) is a multidisciplinary strategy that requires biodegradable scaffold, cell, various promoting cues to work simultaneously. Electrical stimulation (ES) is known able to promote osteogenic differentiation of BMSCs, but it is interesting to know how can it play the strongest promotion effect. To strengthen local ES on BMSCs, parallel-aligned conductive nanofibers were electrospun from the mixtures of poly(L-lactide) (PLLA) and multi-walled carbon nanotubes (MWCNTs), and used for cell culture...
August 10, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28792122/acceleration-of-fracture-healing-by-overexpression-of-basic-fibroblast-growth-factor-in-the-mesenchymal-stromal-cells
#18
Hongliang Zhang, Alexander Kot, Yu-An E Lay, Fernando A Fierro, Haiyan Chen, Nancy E Lane, Wei Yao
In this study, we engineered mesenchymal stem cells (MSCs) to over-express basic fibroblast growth factor (bFGF) and evaluated its effects on fracture healing. Adipose-derived mouse MSCs were transduced to express bFGF and green fluorescence protein (ADSC(bFGF) -GFP). Closed-femoral fractures were performed with osterix-mCherry reporter mice of both sexes. The mice received 3 × 10(5) ADSCs transfected with control vector or bFGF via intramuscular injection within or around the fracture sites. Mice were euthanized at days 7, 14, and 35 to monitor MSC engraftment, osteogenic differentiation, callus formation, and bone strength...
August 9, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28791999/-clinical-and-morphological-characteristics-of-gastrointestinal-stromal-tumors
#19
D D Khalikov, F Sh Akhmetzyanov, S V Petrov
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Despite this, GISTS comprise about 2% in the structure of digestive tract cancers. They are usually localized in the stomach; however, they can be found in the small intestine and more rarely in the colon and esophagus. Although approximately 70% of the GISTs consist predominantly of spindle cells; the epithelioid cell tumors represent 20% of cases; there are also mixed variants. This variability in the morphological structure of GISTs complicates their diagnosis...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28783146/mesenchymal-stromal-cells-for-steroid-refractory-acute-gvhd
#20
C Fernández-Maqueda, R Gonzalo-Daganzo, C Regidor, T Martín-Donaire, R Sánchez, J L Bueno, G Bautista, A De Liglesia, Y Gutiérrez, M García-Berciano, R Forés, A Royuela, M N Fernández, R F Duarte, J R Cabrera-Marín
No abstract text is available yet for this article.
August 7, 2017: Bone Marrow Transplantation
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