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Conditioned media of mesenchymal stem cell

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https://www.readbyqxmd.com/read/28454294/mesenchymal-stem-cell-conditioned-medium-promotes-mda-mb-231-cell-migration-and-inhibits-a549-cell-migration-by-regulating-insulin-receptor-and-human-epidermal-growth-factor-receptor-3-phosphorylation
#1
Pengfei Li, Hongwei Zhou, Guohu Di, Jin Liu, Yang Liu, Zhihong Wang, Yinxuan Sun, Haifeng Duan, Junzhong Sun
Various in vitro and in vivo studies have linked mesenchymal stem cells (MSCs) with cancer, but little is known about the effect of MSCs on tumor progression. The present study aimed to analyze the role of the MSCs from different tissues, consisting of human bone marrow, adipose and the umbilical cord tissues, and the heterogeneity of tumors in tumor progression. By collecting the culture supernatants of MSCs as MSC-conditioned media (CMs), the present study found that MSC-CM produces no significant effect on the proliferation of MDA-MB-231 and A549 tumor cells...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28412968/interleukin-1-primes-human-mesenchymal-stem-cells-towards-an-anti-inflammatory-and-pro-trophic-phenotype-in-vitro
#2
Elena Redondo-Castro, Catriona Cunningham, Jonjo Miller, Licia Martuscelli, Sarah Aoulad-Ali, Nancy J Rothwell, Cay M Kielty, Stuart M Allan, Emmanuel Pinteaux
BACKGROUND: Inflammation is a key contributor to central nervous system (CNS) injury such as stroke, and is a major target for therapeutic intervention. Effective treatments for CNS injuries are limited and applicable to only a minority of patients. Stem cell-based therapies are increasingly considered for the treatment of CNS disease, because they can be used as in-situ regulators of inflammation, and improve tissue repair and recovery. One promising option is the use of bone marrow-derived mesenchymal stem cells (MSCs), which can secrete anti-inflammatory and trophic factors, can migrate towards inflamed and injured sites or can be implanted locally...
April 17, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28383473/pro-coagulant-activity-of-human-mesenchymal-stem-cells
#3
Barbara A Christy, Maryanne C Herzig, Robbie K Montgomery, Christopher Delavan, James A Bynum, Kristin M Reddoch, Andrew P Cap
BACKGROUND: Allogeneic mesenchymal stem cells (MSCs) show great potential for the treatment of military and civilian trauma, based on their reduced immunogenicity and ability to modulate inflammation and immune function in the recipient. Although generally considered to be safe, MSCs express tissue factor (TF), a potent activator of coagulation. In the current study, we evaluated multiple MSC populations for tissue factor expression and pro-coagulant activity in order to characterize safety considerations for systemic use of MSCs in trauma patients who may have altered coagulation homeostasis...
April 5, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28376403/treatment-with-adipose-derived-mesenchymal-stem-cells-and-their-conditioned-media-reverse-carrageenan-induced-paw-oedema-in-db-db-mice
#4
Nitya Shree, Sunil Venkategowda, M V Venkatranganna, Ramesh R Bhonde
Mesenchymal stem cells are known for anti inflammatory and immunomodulatory activities. The aim of our study was to evaluate the effect of human adipose derived mesenchymal stem cells (hADMSCs) and its conditioned media (CM) on carrageenan induced acute inflammation in db/db mice. We injected 5×10(5) ADMSCs or the CM in the inflamed paw. We assessed the paw volume, serum IL6 levels and histopathology of the paw to reveal the anti inflammatory effect. We observed a single injection of hADMSCs or CM could reverse the inflammation within 24h as evidenced by reduction in paw volume, IL6 levels and histological examination...
April 2, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28369825/cholinergic-and-dopaminergic-neuronal-differentiation-of-human-adipose-tissue-derived-mesenchymal-stem-cells
#5
H E Marei, A El-Gamal, A Althani, N Afifi, A Abd-Elmaksoud, A Farag, C Cenciarelli, Thomas Caceci, Anwarul Hasan
Mesenchymal stem cells (MSCs) are multipotent cells that can differentiate into various cell types such as cartilage, bone, and fat cells. Recent studies have shown that induction of MSCs in vitro by growth factors including epidermal growth factor (EGF) and fibroblast growth factor (FGF2) causes them to differentiate into neural like cells. These cultures also express ChAT, a cholinergic marker; and TH, a dopaminergic marker for neural cells. To establish a protocol with maximum differentiation potential, we examined MSCs under three experimental culture conditions using neural induction media containing FGF2, EGF, BMP-9, retinoic acid and heparin...
March 30, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28362380/production-and-administration-of-therapeutic-mesenchymal-stem-stromal-cell-msc-spheroids-primed-in-3-d-cultures-under-xeno-free-conditions
#6
Joni H Ylostalo, Nikolay Bazhanov, Arezoo Mohammadipoor, Thomas J Bartosh
Mesenchymal stem/stromal cells (MSCs) hold great promise in bioengineering and regenerative medicine. MSCs can be isolated from multiple adult tissues via their strong adherence to tissue culture plastic and then further expanded in vitro, most commonly using fetal bovine serum (FBS). Since FBS can cause MSCs to become immunogenic, its presence in MSC cultures limits both clinical and experimental applications of the cells. Therefore, studies employing chemically defined xeno-free (XF) media for MSC cultures are extremely valuable...
March 18, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28347989/wrn-conditioned-media-is-sufficient-for-in-vitro-propagation-of-intestinal-organoids-from-large-farm-and-small-companion-animals
#7
Robin H Powell, Michael S Behnke
Recent years have seen significant developments in the ability to continuously propagate organoids derived from intestinal crypts. These advancements have been applied to mouse and human samples providing models for gastrointestinal tissue development and disease. We adapt these methods for the propagation of intestinal organoids (enteroids) from various large farm and small companion (LF/SC) animals, including cat, dog, cow, horse, pig, sheep, and chicken. We show that LF/SC enteroids propagate and expand in L-WRN conditioned media containing signaling factors Wnt3a, R-spondin-3, and Noggin (WRN)...
March 27, 2017: Biology Open
https://www.readbyqxmd.com/read/28346797/substituted-borosilicate-glasses-with-improved-osteogenic-capacity-for-bone-tissue-engineering
#8
João S Fernandes, Piergiorgio Gentile, Aileen Crawford, Ricardo A Pires, Paul V Hatton, Rui L Reis
Borosilicate bioactive glasses (BBGs) have shown the capacity to promote higher formation of new bone when compared with silicate bioactive glasses. Herein, we assessed the capacity of BBGs to induce osteogenic differentiation of bone marrow mesenchymal stem cells (BM-MSCs) as a function of their substituted divalent cations (Mg(2+), Ca(2+), Sr(2+)). To this purpose, we synthesized BBG particles by melt quenching. The cell viability, proliferation, and morphology (i.e., PrestoBlue(®), PicoGreen(®), and DAPI and Phalloidin stainings, respectively), as well as protein expression (i...
March 27, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28321425/adult-cells-combined-with-platelet-rich-plasma-for-tendon-healing-cell-source-options
#9
Eva Rubio-Azpeitia, Pello Sánchez, Diego Delgado, Isabel Andia
BACKGROUND: The combination of cells with platelet-rich plasma (PRP) may fulfill tendon deficits and help overcome the limited ability of tendons to heal. PURPOSE: To examine the suitability of 3 human cell types in combination with PRP and the potential impact of the tenocyte-conditioned media (CM) to enhance tendon healing. STUDY DESIGN: Controlled laboratory study. METHODS: Tenocytes, bone marrow-derived mesenchymal stem cells, and skin fibroblasts were cultured in 3-dimensional PRP hydrogels supplemented or not with CM, and cell proliferation and migration were examined...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28285576/decellularized-bone-extracellular-matrix-and-human-dental-pulp-stem-cells-as-a-construct-for-bone-regeneration
#10
Francesco Paduano, Massimo Marrelli, Noura Alom, Mahetab Amer, Lisa J White, Kevin M Shakesheff, Marco Tatullo
Dental pulp tissue represents a source of mesenchymal stem cells that have a strong differentiation potential towards the osteogenic lineage. The objective of the current study was to examine in vitro osteogenic induction of dental pulp stem cells (DPSCs) cultured on hydrogel scaffolds derived from decellularized bone extracellular matrix (bECM) compared to collagen type I (Col-I), the major component of bone matrix. DPSCs in combination with bECM hydrogels were cultured under three different conditions: basal medium, osteogenic medium and medium supplemented with growth factors (GFs) and cell growth, mineral deposition, gene and protein expression were investigated...
March 13, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28281780/fibroblast-growth-factor-1-transfected-adipose-derived-mesenchymal-stem-cells-promote-angiogenic-proliferation
#11
Seyed Javad Hoseini, Hamed Ghazavi, Fatemeh Forouzanfar, Baratali Mashkani, Ahmad Ghorbani, Elahe Mahdipour, Faezeh Ghasemi, Hamid Reza Sadeghnia, Majid Ghayour-Mobarhan
The aim of this study was to investigate, for the first time, the effects of using adipose-derived mesenchymal stem cells (AD-MSCs) transfected with an episomal plasmid encoding fibroblast growth factor 1 (FGF1) (AD-MSCs(FGF1)), in providing the microenvironment required for angiogenic proliferation. The isolated rat AD-MSCs were positive for mesenchymal (CD29 and CD90) and negative for hematopoietic (CD34 and CD45) surface markers. Adipogenic and osteogenic differentiation of the AD-MSCs also occurred in the proper culture media...
March 10, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28267799/on-the-adhesion-cohesion-balance-and-oxygen-consumption-characteristics-of-liver-organoids
#12
Giorgio Mattei, Chiara Magliaro, Serena Giusti, Sarada Devi Ramachandran, Stefan Heinz, Joris Braspenning, Arti Ahluwalia
Liver organoids (LOs) are of interest in tissue replacement, hepatotoxicity and pathophysiological studies. However, it is still unclear what triggers LO self-assembly and what the optimal environment is for their culture. Hypothesizing that LO formation occurs as a result of a fine balance between cell-substrate adhesion and cell-cell cohesion, we used 3 cell types (hepatocytes, liver sinusoidal endothelial cells and mesenchymal stem cells) to investigate LO self-assembly on different substrates keeping the culture parameters (e...
2017: PloS One
https://www.readbyqxmd.com/read/28266575/cordycepin-disrupts-leukemia-association-with-mesenchymal-stromal-cells-and-eliminates-leukemia-stem-cell-activity
#13
Shu-Man Liang, Yi-Jhu Lu, Bor-Sheng Ko, Yee-Jee Jan, Song-Kun Shyue, Shaw-Fang Yet, Jun-Yang Liou
Maintaining stemness of leukemic stem cells (LSCs) and reciprocal interactions between leukemia and stromal cells support leukemic progression and resistance to chemotherapy. Targeting the niche-based microenvironment is thus a new approach for leukemia therapy. Cordycepin is an analogue of adenosine and has been suggested to possess anti-leukemia properties. However, whether cordycepin influences association of leukemia and mesenchymal stromal cells has never been investigated. Here we show that cordycepin reduces CD34(+)CD38(-) cells in U937 and K562 cells and induces Dkk1 expression via autocrine and paracrine regulation in leukemia and mesenchymal stromal/stem cells (MSCs)...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28241866/netrin-1-acts-as-a-non-canonical-angiogenic-factor-produced-by-human-wharton-s-jelly-mesenchymal-stem-cells-wj-msc
#14
Catalina P Prieto, María Carolina Ortiz, Andrea Villanueva, Cynthia Villarroel, Sandra S Edwards, Matías Elliott, José Lattus, Sócrates Aedo, Daniel Meza, Pablo Lois, Verónica Palma
BACKGROUND: Angiogenesis, the process in which new blood vessels are formed from preexisting ones, is highly dependent on the presence of classical angiogenic factors. Recent evidence suggests that axonal guidance proteins and their receptors can also act as angiogenic regulators. Netrin, a family of laminin-like proteins, specifically Netrin-1 and 4, act via DCC/Neogenin-1 and UNC5 class of receptors to promote or inhibit angiogenesis, depending on the physiological context. METHODS: Mesenchymal stem cells secrete a broad set of classical angiogenic factors...
February 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28225583/microfluidic-encapsulation-of-human-mesenchymal-stem-cells-for-articular-cartilage-tissue-regeneration
#15
Fanyi Li, Vinh X Truong, Helmut Thissen, Jessica E Frith, John S Forsythe
Stem cell injections for the treatment of articular cartilage damage are a promising approach to achieve tissue regeneration. However, this method is encumbered by high cell apoptosis rates, low retention in the cartilage lesion, and inefficient chondrogenesis. Here, we have used a facile, very low cost-based microfluidic technique to create visible light-cured microgels composed of gelatin norbornene (GelNB) and a poly(ethylene glycol) (PEG) cross-linker. In addition, we have demonstrated that the process enables the rapid in situ microencapsulation of human bone marrow-derived mesenchymal stem cells (hBMSCs) under biocompatible microfluidic-processing conditions for long-term maintenance...
March 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28213098/gelatin-based-3d-conduits-for-transdifferentiation-of-mesenchymal-stem-cells-into-schwann-cell-like-phenotypes
#16
Metin Uz, Melda Büyüköz, Anup D Sharma, Donald S Sakaguchi, Sacide Alsoy Altinkaya, Surya K Mallapragada
In this study, gelatin-based 3D conduits with three different microstructures (nanofibrous, macroporous and ladder-like) were fabricated for the first time via combined molding and thermally induced phase separation (TIPS) technique for peripheral nerve regeneration. The effects of conduit microstructure and mechanical properties on the transdifferentiation of bone marrow-derived mesenchymal stem cells (MSCs) into Schwann cell (SC) like phenotypes were examined to help facilitate neuroregeneration and understand material-cell interfaces...
February 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28208578/role-of-cortico-cancellous-heterologous-bone-in-human-periodontal-ligament-stem-cell-xeno-free-culture-studied-by-synchrotron-radiation-phase-contrast-microtomography
#17
Serena Mazzoni, Sara Mohammadi, Giuliana Tromba, Francesca Diomede, Adriano Piattelli, Oriana Trubiani, Alessandra Giuliani
This study was designed to quantitatively demonstrate via three-dimensional (3D) images, through the Synchrotron Radiation Phase-Contrast Microtomography (SR-PhC-MicroCT), the osteoinductive properties of a cortico-cancellous scaffold (Osteobiol Dual Block-DB) cultured with human Periodontal Ligament Stem Cells (hPDLSCs) in xeno-free media. In vitro cultures of hPDLSCs, obtained from alveolar crest and horizontal fibers of the periodontal ligament, were seeded onto DB scaffolds and cultured in xeno-free media for three weeks...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28205414/avoidance-of-maternal-cell-contamination-and-overgrowth-in-isolating-fetal-chorionic-villi-mesenchymal-stem-cells-from-human-term-placenta
#18
Varda S Sardesai, Abbas Shafiee, Nicholas M Fisk, Rebecca A Pelekanos
Human placenta is rich in mesenchymal stem/stromal cells (MSC), with their origin widely presumed fetal. Cultured placental MSCs are confounded by a high frequency of maternal cell contamination. Our recent systematic review concluded that only a small minority of placental MSC publications report fetal/maternal origin, and failed to discern a specific methodology for isolation of fetal MSC from term villi. We determined isolation conditions to yield fetal and separately maternal MSC during ex vivo expansion from human term placenta...
April 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28202074/exendin-4-in-combination-with-adipose-derived-stem-cells-promotes-angiogenesis-and-improves-diabetic-wound-healing
#19
Eunhui Seo, Jae Soo Lim, Jin-Bum Jun, Woohyuk Choi, In-Sun Hong, Hee-Sook Jun
BACKGROUND: Diminished wound healing is a major complication of diabetes mellitus and can lead to foot ulcers. However, there are limited therapeutic methods to treat this condition. Exendin-4 (Ex-4), a glucagon-like peptide-1 receptor agonist, is known to have many beneficial effects on diabetes. In addition, mesenchymal stem cells are known to have wound healing effects. We investigated the effects of Ex-4 in combination with human adipose tissue-derived stem cells (ADSCs) on diabetic wound healing in a diabetic animal model...
February 15, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28197635/fluid-shear-stress-induces-cancer-stem-cell-like-phenotype-in-mcf7-breast-cancer-cell-line-without-inducing-epithelial-to-mesenchymal-transition
#20
Ursula L Triantafillu, Seungjo Park, Nikki L Klaassen, Andrew D Raddatz, Yonghyun Kim
Metastasis is the leading cause of cancer deaths due to the spread of cancer cells through the blood vessels and the subsequent formation of secondary tumors. Metastasizing cancer cells in the human vasculature are called circulating tumor cells (CTCs) and are characterized to express the epithelial cell adhesion molecule (EpCAM). They are further known to survive physiological fluid shear stress (FSS) conditions. However, the effect of FSS on CTC molecular phenotype, such as the epithelial to mesenchymal transition (EMT) and cancer stem cell (CSC) expression, has not been extensively studied...
March 2017: International Journal of Oncology
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