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Conditioned media of mesenchymal stem cell

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https://www.readbyqxmd.com/read/27906055/mesenchymal-stem-cells-multipotent-stromal-cells-mscs-are-glycolytic-and-thus-glucose-is-a-limiting-factor-of-in-vitro-models-of-msc-starvation
#1
Austin Nuschke, Melanie Rodrigues, Albin W Wells, Kyle Sylakowski, Alan Wells
BACKGROUND: Mesenchymal stem/multipotent stromal cells (MSCs) contribute to tissue repair but are challenged during wound healing when the blood supply is disrupted, thereby limiting nutrient delivery. Survival mechanisms against 'starvation' include autophagy, which we previously found to enhance differentiation efficiency. MSC response to models of in vitro nutrient deprivation are of great interest for improving MSC survival and therapeutic efficacy; however, the rate-limiting nutrients are unknown...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27888550/mesenchymal-stem-stromal-cells-biology-and-preclinical-evidence-for-therapeutic-potential-for-organ-dysfunction-following-trauma-or-sepsis
#2
Michael A Matthay, Shibani Pati, Jae-Woo Lee
Several experimental studies have provided evidence that bone-marrow derived mesenchymal stem (stromal) cells (MSC) may be effective in treating critically ill surgical patients who develop traumatic brain injury, acute renal failure, or the acute respiratory distress syndrome. There is also preclinical evidence that MSC may be effective in treating sepsis-induced organ failure, including evidence that MSC have anti-microbial properties. This review considers preclinical studies with direct relevance to organ failure following trauma, sepsis or major infections that apply to critically ill patients...
November 26, 2016: Stem Cells
https://www.readbyqxmd.com/read/27888521/cancer-associated-mesenchymal-stroma-fosters-the-stemness-of-osteosarcoma-cells-in-response-to-intratumoral-acidosis-via-nf-%C3%AE%C2%BAb-acivation
#3
Sofia Avnet, Gemma Di Pompo, Tokuhiro Chano, Costantino Errani, Arig Ibrahim-Hashim, Robert J Gillies, Davide Maria Donati, Nicola Baldini
The role of mesenchymal stem cells (MSC) in osteosarcoma (OS), the most common primary tumor of bone, has not been extensively elucidated. We have recently shown that OS is characterized by interstitial acidosis, a microenvironmental condition that is similar to a wound setting, in which mesenchymal reactive cells are activated to release mitogenic and chemotactic factors. We therefore intended to test the hypothesis that, in OS, acid-activated MSC influence tumor cell behavior. Conditioned media or co-culture with normal MSC previously incubated with short-term acidosis (pH 6...
November 26, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27873362/influence-of-mesenchymal-stem-cells-conditioned-media-on-proliferation-of-urinary-tract-cancer-cell-lines-and-their-sensitivity-to-ciprofloxacin
#4
Malgorzata Maj, Anna Bajek, Ewelina Nalejska, Dorota Porowinska, Tomasz Kloskowski, Lidia Gackowska, Tomasz Drewa
Mesenchymal stem cells (MSCs) are known to interact with cancer cells through direct cell-to-cell contact and secretion of paracrine factors, although their exact influence on tumor progression in vivo remains unclear. To better understand how fetal and adult stem cells affect tumors, we analyzed viability of human renal (786-0) and bladder (T24) carcinoma cell lines cultured in conditioned media harvested from amniotic fluid-derived stem cells (AFSCs) and adipose-derived stem cells (ASCs). Both media reduced metabolic activity of 786-0 cells, however, decreased viability of T24 cells was noted only after incubation with conditioned medium from ASCs...
November 22, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27866198/proteomic-analysis-and-identification-of-paracrine-factors-in-mesenchymal-stem-cell-conditioned-media-under-hypoxia
#5
Suk-Won Song, Kyung-Eun Kim, Jung-Won Choi, Chang Youn Lee, Jiyun Lee, Hyang-Hee Seo, Kyu Hee Lim, Soyeon Lim, Seahyong Lee, Sang Woo Kim, Ki-Chul Hwang
BACKGROUND/AIMS: We previously showed that a hypoxic environment modulates the antiarrhythmic potential of mesenchymal stem cells. METHODS: To investigate the mechanism by which secreted proteins contribute to the pathogenesis of antiarrhythmic potential in mesenchymal stem cells, we used two-dimensional electrophoresis combined with MALDI-TOF-MS to perform a proteomic analysis to compare the paracrine media produced by normoxic and hypoxic cells. RESULTS: The proteomic analysis revealed that 66 protein spots out of a total of 231 matched spots indicated differential expression between the normoxic and hypoxic conditioned media of mesenchymal stem cells...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27852316/defined-three-dimensional-culture-conditions-mediate-efficient-induction-of-definitive-endoderm-lineage-from-human-umbilical-cord-wharton-s-jelly-mesenchymal-stem-cells
#6
Ashraf Al Madhoun, Hamad Ali, Sarah AlKandari, Valerie Lopez Atizado, Nadeem Akhter, Fahd Al-Mulla, Maher Atari
BACKGROUND: Wharton's jelly-derived mesenchymal stem cells (WJ-MSCs) are gaining increasing interest as an alternative source of stem cells for regenerative medicine applications. Definitive endoderm (DE) specification is a prerequisite for the development of vital organs such as liver and pancreas. Hence, efficient induction of the DE lineage from stem cells is crucial for subsequent generation of clinically relevant cell types. Here we present a defined 3D differentiation protocol of WJ-MSCs into DE cells...
November 16, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27849546/physical-stimulation-based-osteogenesis-effect-on-secretion-in-vitro-by-fluid-dynamic-shear-stress-of-human-alveolar-bone-derived-mesenchymal-stem-cells
#7
Ki-Taek Lim, Hexiu Jin, Hoon Seonwoo, Hye-Been Kim, Jangho Kim, Jin-Woo Kim, Chen Renji, Pill-Hoon Choung, Jong Hoon Chung
Human alveolar bone-derived mesenchymal stem cells (hABMSCs) are promising candidates for bone therapies, which have the capacity to differentiate into osteoblasts. Recently, secretion of inducible cytokines and growth factors from mesenchymal stem cells (MSCs) has been discovered, and we also have reported the osteogenic effects of cell physical stimulation. In this study, we investigated the effects of hABMSCs-conditioned secretion media (B-CSM) on osteogenic differentiation of hABMSCs in vitro. Furthermore, we analyzed the B-CSM by proteomics array to identify inducible factors which facilitate osteogenic differentiation...
November 11, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/27849398/production-of-endothelial-progenitor-cells-obtained-from-human-wharton-s-jelly-using-different-culture-conditions
#8
S A Zayed, T M Gaafar, R M Samy, D Sabry, A S Nasr, Fa Abdel Maksoud
Endothelial progenitor cells (EPC) participate in revascularization and angiogenesis. EPC can be cultured in vitro from mononuclear cells of peripheral blood, umbilical cord blood or bone marrow; they also can be transdifferentiated from mesenchymal stem cells (MSC). We isolated EPCs from Wharton's jelly (WJ) using two methods. The first method was by obtaining MSC from WJ and characterizing them by flow cytometry and their adipogenic and osteogenic differentiation, then applying endothelial growth differentiating media...
November 2016: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/27843458/expression-of-bmp-and-actin-membrane-bound-inhibitor-is-increased-during-terminal-differentiation-of-mscs
#9
Christian G Pfeifer, Alexandra Karl, Arne Berner, Johannes Zellner, Paul Schmitz, Markus Loibl, Matthias Koch, Peter Angele, Michael Nerlich, Michael B Mueller
Chondrogenic differentiating mesenchymal stem cells (MSCs) are mimicking embryonal endochondral ossification and become hypertrophic. BMP (bone morphogenetic protein) and Activin Membrane Bound Inhibitor (BAMBI) is a pseudoreceptor that regulates the activity of transforming growth factor-β (TGF-β) and BMP signalling during chondrogenesis. Both TGF-β and BMP signalling are regulators of chondrogenic cell differentiation. Human bone marrow derived MSCs were chondrogenically predifferentiated in aggregate culture for 14 days...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27832002/renal-differentiation-of-mesenchymal-stem-cells-seeded-on-nanofibrous-scaffolds-improved-by-human-renal-tubular-cell-lines-conditioned-medium
#10
Abdolreza Ardeshirylajimi, Saeid Vakilian, Mohammad Salehi
Kidney injuries and renal dysfunctions are one of the most important clinical problems and tissue engineering could be a valuable method for solving it. The objective of this study was to investigate the synergistic effect of renal cell line conditioned medium and Polycaprolactone nanofibers on renal differentiation of human mesenchymal stem cells. In the present study, after stem cells isolation and characterization, Polycaprolactone nanofibrous scaffold was fabricated using electrospinning methods and characterized morphologically, mechanically and biocompatibility...
November 9, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27830445/tissue-engineering-for-neurodegenerative-diseases-using-human-amniotic-membrane-and-umbilical-cord
#11
Anahí Sanluis-Verdes, Namibia Sanluis-Verdes, María Jesús Manso-Revilla, Antonio Manuel Castro-Castro, Jorge Pombo-Otero, María Fraga-Mariño, Jacinto Sanchez-Ibañez, Nieves Doménech, María Esther Rendal-Vázquez
Regenerative medicine, based on the use of stem cells, scaffolds and growth factors, has the potential to be a good approach for restoring damaged tissues of the central nervous system. This study investigated the use of human amniotic mesenchymal stem cells (hAMSC), human amniotic epithelial stem cells (hAESC), and human Wharton's jelly mesenchymal stem cells (hWJMSC) derived from human umbilical cord as a source of stem cells, and the potential of the human amniotic membrane (HAM) as a scaffold and/or source of growth factors to promote nerve regeneration...
November 9, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27813493/notch1-wisp-1-axis-determines-the-regulatory-role-of-mesenchymal-stem-cell-derived-stromal-fibroblasts-in-melanoma-metastasis
#12
Hongwei Shao, Long Cai, Mecker Moller, Biju Issac, Leiming Zhang, Mark Owyong, Anna Elizabeth Moscowitz, Roberto Vazquez-Padron, Freddy Radtke, Zhao-Jun Liu
Mesenchymal stem cells-derived fibroblasts (MSC-DF) constitute a significant portion of stromal fibroblasts in the tumor microenvironment (TME) and are key modulators of tumor progression. However, the molecular mechanisms that determine their tumor-regulatory function are poorly understood. Here, we uncover the Notch1 pathway as a molecular determinant that selectively controls the regulatory role of MSC-DF in melanoma metastasis. We demonstrate that the Notch1 pathway's activity is inversely correlated with the metastasis-regulating function of fibroblasts and can determine the metastasis-promoting or -suppressing phenotype of MSC-DF...
November 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27812189/mesenchymal-stem-stromal-cells-under-stress-increase-osteosarcoma-migration-and-apoptosis-resistance-via-extracellular-vesicle-mediated-communication
#13
Krishna C Vallabhaneni, Meeves-Yoni Hassler, Anu Abraham, Jason Whitt, Yin-Yuan Mo, Azeddine Atfi, Radhika Pochampally
Studies have shown that mesenchymal stem/stromal cells (MSCs) from bone marrow are involved in the growth and metastasis of solid tumors but the mechanism remains unclear in osteosarcoma (OS). Previous studies have raised the possibility that OS cells may receive support from associated MSCs in the nutrient deprived core of the tumors through the release of supportive macromolecules and growth factors either in vesicular or non-vesicular forms. In the present study, we used stressed mesenchymal stem cells (SD-MSCs), control MSCs and OS cells to examine the hypothesis that tumor-associated MSCs in nutrient deprived core provide pro-proliferative, anti-apoptotic, and metastatic support to nearby tumor cells...
2016: PloS One
https://www.readbyqxmd.com/read/27803667/wedelolactone-enhances-osteoblastogenesis-but-inhibits-osteoclastogenesis-through-sema3a-nrp1-plexina1-pathway
#14
Yan-Qiu Liu, Xiao-Fei Han, Jun-Xia Bo, Hui-Peng Ma
Bone remodeling balance is maintained by tight coupling of osteoblast-mediated bone formation and osteoclast-mediated bone resorption. Thus, agents with the capacity to regulate osteoblastogenesis and osteoclastogenesis have been investigated for therapy of bone-related diseases such as osteoporosis. In this study, we found that wedelolactone, a compound isolated from Ecliptae herba, and a 9-day incubation fraction of conditioned media obtained from wedelolactone-treated bone marrow mesenchymal stem cell (BMSC) significantly inhibited tartrate-resistant acid phosphatase (TRAP) activity in RANKL-stimulated osteoclastic RAW264...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27797148/upregulation-of-endothelial-gene-markers-in-wharton-s-jelly-mesenchymal-stem-cells-cultured-on-polyelectrolyte-multilayers
#15
Hassan Rammal, Chaza Harmouch, Clément Maerten, Caroline Gaucher, Fouzia Boulmedais, Pierre Schaaf, Jean Claude Voegel, Dominique Laurent-Maquin, Patrick Menu, Halima Kerdjoudj
Designing convenient substrates is a pertinent parameter that can guide stem cell differentiation. Current research is directed toward differentiating mesenchymal stem cells (MSCs) into endothelial cells (ECs). It is generally accepted that MSCs cannot be easily differentiated into ECs without high concentrations of proangiogenic factors. To guide either bone marrow-derived mesenchymal stem cells (BM-MSCs) and Wharton's jelly-derived mesenchymal stem cells (WJ-MSCs) into ECs-like phenotype, poly(allylamine-hydrochloride)/poly(styrene-sulfonate) multilayers film (PAH/PSS) was used as culture coating and compared to type I collagen (as control coating)...
January 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27796573/secretomes-from-mesenchymal-stem-cells-participate-in-the-regulation-of-osteoclastogenesis-in-vitro
#16
Kenichi Ogata, Wataru Katagiri, Hideharu Hibi
OBJECTIVES: The receptor activator of nuclear factor kappa-B ligand (RANKL) inhibitors are novel clinically effective agents that inhibit osteoclast differentiation, function, and survival by binding to RANKL. Medication-related osteonecrosis of the jaw (MRONJ), caused as a result of treatment using denosumab, is a newly emerging type of bone necrosis, the exact pathogenesis of which is unknown. Several studies recently showed that the intravenous administration of mesenchymal stem cells (MSCs) improved the osteonecrosis of the jaw, and it was hypothesized that paracrine effects by secretomes from MSCs are the main constituent...
October 29, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27791278/conditioned-media-from-adipose-tissue-derived-mesenchymal-stem-cells-reverse-insulin-resistance-in-cellular-models
#17
Nitya Shree, Ramesh R Bhonde
The link between insulin resistance (IR) and type 2 diabetes has been recognized for a long time. Type 2 diabetes is often associated with basal hyperinsulinemia, reduced sensitivity to insulin, and disturbances in insulin release. There are evidences showing the reversal of IR by mesenchymal stem cells. However, the effect of conditioned media from adipose derived mesenchymal stem cells (ADSCs-CM) in reversal of IR has not been established. We established an insulin resistant model of 3T3L1 and C2C12 cells and treated with ADSCs-CM...
October 28, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27766213/mesenchymal-stem-cell-derived-exosomes-new-opportunity-in-cell-free-therapy
#18
Davod Pashoutan Sarvar, Karim Shamsasenjan, Parvin Akbarzadehlaleh
Mesenchymal stromal/stem cells (MSCs) are involved in tissue homeostasis through direct cell-to-cell interaction, as well as secretion of soluble factors. Exosomes are the sort of soluble biological mediators that obtained from MSCs cultured media in vitro. MSC-derived exosomes (MSC-DEs) which produced under physiological or pathological conditions are central mediators of intercellular communications by conveying proteins, lipids, mRNAs, siRNA, ribosomal RNAs and miRNAs to the neighbor or distant cells. MSC-DEs have been tested in various disease models, and the results have revealed that their functions are similar to those of MSCs...
September 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27762666/different-donors-mesenchymal-stromal-cells-secretomes-reveal-heterogeneous-profile-of-relevance-for-therapeutic-use
#19
Amanda Faria Assoni, Giuliana Castello, Marcos Valadares, Melinda Beccari, Juliana Gomes, Mayra Pelatti, Miguel Mitne-Neto, Valdemir Melechco Carvalho, Mayana Zatz
Duchenne muscular dystrophy (DMD) is a lethal X-linked disorder caused by null mutations in the dystrophin gene. Although the primary defect is the deficiency of muscle dystrophin, secondary events, including chronic inflammation, fibrosis and muscle regeneration failure are thought to actively contribute to disease progression. Despite several advances, there is still no effective therapy for DMD. Therefore, the potential regenerative capacities, as well as immune-privileged properties of Mesenchymal Stromal Cells (MSCs), have been the focus of intense investigation in different animal models aiming the treatment of these disorders...
October 20, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27757713/characterization-of-the-growth-modulatory-activities-of-osteoblast-conditioned-media-on-cord-blood-progenitor-cells
#20
Ahmad Abu-Khader, Roya Pasha, Gwendoline C D Ward, Gavin Boisjoli, Nicolas Pineault
Engraftment outcomes are strongly correlated with the numbers of hematopoietic stem and progenitor cells (HSPC) infused. Expansion of umbilical cord blood (CB) HSPC has gained much interest lately since infusion of expanded HSPC can accelerate engraftment and improve clinical outcomes. Many novel protocols based on different expansion strategies of HSPC and their downstream derivatives are under development. Herein, we describe the production and properties of serum-free medium (SFM) conditioned with mesenchymal stromal cells derived-osteoblasts (OCM) for the expansion of umbilical CB cells and progenitors...
December 2016: Cytotechnology
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