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Conditioned media of mesenchymal stem cell

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https://www.readbyqxmd.com/read/28285576/decellularized-bone-extracellular-matrix-and-human-dental-pulp-stem-cells-as-a-construct-for-bone-regeneration
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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...
February 16, 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
#10
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
#11
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
https://www.readbyqxmd.com/read/28186692/targeted-genome-engineering-to-control-vegf-expression-in-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-potential-implications-for-the-treatment-of-myocardial-infarction
#12
Hyun-Min Cho, Pyung-Hwan Kim, Hyun-Kyung Chang, Yi-Ming Shen, Kwaku Bonsra, Byung-Jae Kang, Soo-Young Yum, Joo-Hyun Kim, So-Yeong Lee, Min-Cheol Choi, Hyongbum Henry Kim, Goo Jang, Je-Yoel Cho
Human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) exhibit potency for the regeneration of infarcted hearts. Vascular endothelial growth factor (VEGF) is capable of inducing angiogenesis and can boost stem cell-based therapeutic effects. However, high levels of VEGF can cause abnormal blood vessel growth and hemangiomas. Thus, a controllable system to induce therapeutic levels of VEGF is required for cell therapy. We generated an inducible VEGF-secreting stem cell (VEGF/hUCB-MSC) that controls the expression of VEGF and tested the therapeutic efficacy in rat myocardial infarction (MI) model to apply functional stem cells to MI...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28176354/pretreatment-of-mesenchymal-stem-cells-with-leishmania-major-soluble-antigens-induce-anti-inflammatory-properties-in-mouse-peritoneal-macrophages
#13
Zahra Khosrowpour, Seyed Mahmoud Hashemi, Samira Mohammadi-Yeganeh, Sara Soudi
Recent studies have demonstrated the influential role of microbial stimulus in characteristics and immunomodulatory effects of mesenchymal stem cells (MSCs). Due to the migration of MSCs to infection site, it is of importance to understand the interaction of microbial ligands with MSCs in order to clarify the positive or negative role of MSCs in the control of infection. In this research, we assess leishmanial soluble antigen (LSA)-primed MSCs on macrophage immune responses to lipopolysaccharide (LPS). For this purpose, the effects of both conditioned media (CM) and cell-cell contact of LSA primed MSCs were determined on macrophage responses to LPS...
February 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28168362/practical-methods-for-handling-human-periodontal-ligament-stem-cells-in-serum-free-and-serum-containing-culture-conditions-under-hypoxia-implications-for-regenerative-medicine
#14
Dai Murabayashi, Mai Mochizuki, Yuichi Tamaki, Taka Nakahara
Stem cell-based therapies depend on the reliable expansion of patient-derived mesenchymal stem cells (MSCs) in vitro. The supplementation of cell culture media with serum is associated with several risks; accordingly, serum-free media are commercially available for cell culture. Furthermore, hypoxia is known to accelerate the expansion of MSCs. The present study aimed to characterize the properties of periodontal ligament-derived MSCs (PDLSCs) cultivated in serum-free and serum-containing media, under hypoxic and normoxic conditions...
February 6, 2017: Human Cell
https://www.readbyqxmd.com/read/28161441/apelin-promotes-mesenchymal-stem-cells-survival-and-vascularization-under-hypoxic-ischemic-condition-in-vitro-involving-the-upregulation-of-vascular-endothelial-growth-factor
#15
Jingying Hou, Tingting Zhong, Tianzhu Guo, Changqing Miao, Changqing Zhou, Huibao Long, Hao Wu, Shaoxin Zheng, Lei Wang, Tong Wang
BACKGROUND: Mesenchymal stem cells (MSCs) transplantation has been regarded as an optimal therapeutic approach for cardiovascular disease. However, the inferior survival and low vascularization potential of these cells in the local infarct site reduce the therapeutic efficacy. In this study, we investigated the influence of apelin on MSCs survival and vascularization under hypoxic-ischemic condition in vitro and explored the relevant mechanism. METHODS: MSCs were obtained from C57BL/6 mice and cultured in vitro...
February 1, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28126596/role-of-biphasic-calcium-phosphate-ceramic-mediated-secretion-of-signaling-molecules-by-macrophages-in-migration-and-osteoblastic-differentiation-of-mscs
#16
Jing Wang, Dan Liu, Bo Guo, Xiao Yang, Xuening Chen, Xiangdong Zhu, Yujiang Fan, Xingdong Zhang
The inflammatory reaction initiates fracture healing and could play a role in the osteoinductive effect of calcium phosphate (CaP) ceramics, which has been widely confirmed; however, the underlying mechanism has not been fully elucidated. In this study, various signaling molecules from macrophages under the stimulation of osteoinductive biphasic calcium phosphate (BCP) ceramic and its degradation products were examined and evaluated for their influence on the migration and osteoblastic differentiation of mesenchymal stem cells (MSCs)...
January 23, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28114977/study-of-the-reparative-effects-of-menstrual-derived-stem-cells-on-premature-ovarian-failure-in-mice
#17
Zhen Wang, Yueling Wang, Ting Yang, Jing Li, Xinyuan Yang
BACKGROUND: Young female patients who receive chemotherapy frequently face premature ovarian failure (POF). The therapeutic potential of stem cells in these patients has been explored in stem cells derived from different sources. However, many of these types of stem cells are either difficult to obtain or obtaining them involves invasive procedures. Here, we show that menstrual-derived stem cells (MenSCs) are easy to access and exhibit mesenchymal stem cell-like properties. MenSCs are therefore a novel source of stem cells that can be used for tissue repair...
January 23, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28113948/physical-stimulation-based-osteogenesis-effect-on-secretion-in-vitro-by-fluid-dynamic-shear-stress-of-human-alveolar-bone-derived-mesenchymal-stem-cells
#18
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/28104393/periodontal-tissue-regeneration-using-the-cytokine-cocktail-mimicking-secretomes-in-the-conditioned-media-from-human-mesenchymal-stem-cells
#19
Kohei Sakaguchi, Wataru Katagiri, Masashi Osugi, Takamasa Kawai, Yukiko Sugimura-Wakayama, Hideharu Hibi
Secretomes in the conditioned media from human mesenchymal stem cells (MSC-CM) were previously demonstrated to promote periodontal tissue regeneration. By mixing insulin-like growth factor-1, vascular endothelial growth factor-A, and transforming growth factor-β1 which were included in MSC-CM, we made the cytokine cocktail (CC) mimicking MSC-CM, and then evaluated its efficacy on periodontal tissue regeneration. In vitro, CC promoted the migration of dog bone marrow-derived stem cells and periodontal ligament cells, and the tube formation of human umbilical vein endothelial cells...
January 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28095523/effects-of-titanium-surface-microtopography-and-simvastatin-on-growth-and-osteogenic-differentiation-of-human-mesenchymal-stem-cells-in-estrogen-deprived-cell-culture
#20
Premjit Arpornmaeklong, Prisana Pripatnanont, Chonticha Chookiatsiri, Boonsin Tangtrakulwanich
PURPOSE: This study aimed to investigate the effects of titanium surface topography and simvastatin on growth and osteogenic differentiation of human bone marrow stromal cells (hBMSCs) in estrogen-deprived (ED) cell culture. MATERIALS AND METHODS: Human BMSCs were seeded on cell culture plates, smooth-surface titanium (Ti) disks, and sandblasted with large grits and acid etched (SLA)-surface Ti disks; and subsequently cultured in regular (fetal bovine serum [FBS]), ED, and ED-with 100 nM simvastatin (ED-SIM) culture media for 14 to 21 days...
January 2017: International Journal of Oral & Maxillofacial Implants
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