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Adipose-derived mesenchymal cells

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https://www.readbyqxmd.com/read/28229424/three-dimensional-printed-scaffolds-with-multipotent-mesenchymal-stromal-cells-for-rabbit-mandibular-reconstruction-and-engineering
#1
Dongdong Fang, Michael Roskies, Mohamed-Nur Abdallah, Mohammed Bakkar, Jack Jordan, Li-Chieh Lin, Faleh Tamimi, Simon D Tran
Multipotent mesenchymal stromal cells (MSC) derived from both the bone marrow and adipose tissue possess the ability to differentiate into multiple cell lineages, regulate the immune function by secreting numerous bioactive paracrine factors, and hold great potential in cell therapy and tissue engineering. When combined with three-dimensional (3D) scaffolds, MSC can be used for bone defect reconstruction and engineering. This protocol describes the isolation of bone marrow mesenchymal stromal cells (BMMSC) and adipose-tissue derived stem cells (ADSC) from rabbits for subsequent seeding on tissue-engineered 3D-printed scaffolds and transplantation into a rabbit-model with the goal of repairing large osseous mandibular defects (one quarter of the lower jaw is removed surgically)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229416/human-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells-as-an-individual-specific-and-renewable-source-of-adult-stem-cells
#2
Glen Lester Sequiera, Sekaran Saravanan, Sanjiv Dhingra
This chapter deals with the employment of human-induced pluripotent stem cells (hiPSCs) as a candidate to differentiate into mesenchymal stem cells (MSCs). This would enable to help establish a regular source of human MSCs with the aim of avoiding the problems associated with procuring the MSCs either from different healthy individuals or patients, limited extraction potentials, batch-to-batch variations or from diverse sources such as bone marrow or adipose tissue. The procedures described herein allow for a guided and ensured approach for the regular maintenance of hiPSCs and their subsequent differentiation into MSCs using the prescribed medium...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229405/compact-bone-derived-multipotent-mesenchymal-stromal-cells-mscs-for-the-treatment-of-sjogren-s-like-disease-in-nod-mice
#3
Ghada Abu Elghanam, Younan Liu, Saeed Khalili, Dongdong Fang, Simon D Tran
Compact bone (cortical or dense bone) is among the organs that contain multipotent mesenchymal stromal cells (MSCs). Unlike bone marrow plugs where MSCs were initially isolated, compact bone has minimal (amount of) hematopoietic cells and thus facilitates the MSCs isolation process. In vitro, MSCs from compact bone show multipotency and differentiation into mesenchymal tissues such as bone, adipose, and cartilage, under certain conditions. MSCs therapy has been promising in preclinical and clinical studies against autoimmune diseases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28224204/effect-of-hypoxia-on-human-adipose-derived-mesenchymal-stem-cells-and-its-potential-clinical-applications
#4
REVIEW
Jane Ru Choi, Kar Wey Yong, Wan Kamarul Zaman Wan Safwani
Human adipose-derived mesenchymal stem cells (hASCs) are an ideal cell source for regenerative medicine due to their capabilities of multipotency and the readily accessibility of adipose tissue. They have been found residing in a relatively low oxygen tension microenvironment in the body, but the physiological condition has been overlooked in most studies. In light of the escalating need for culturing hASCs under their physiological condition, this review summarizes the most recent advances in the hypoxia effect on hASCs...
February 21, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28219809/thermoresponsive-polymer-modified-microfibers-for-cell-separations
#5
Kenichi Nagase, Yoichi Sakurada, Satoru Onizuka, Takanori Iwata, Masayuki Yamato, Naoya Takeda, Teruo Okano
Thermoresponsive polymer-modified microfibers were prepared through electrospinning of poly(4-vinylbenzyl chloride) (PVBC) and subsequent surface-initiated atom transfer radical polymerization for grafting poly(N-isopropylacrylamide) (PIPAAm). Electrospinning conditions were optimized to produce large-diameter (20 μm) PVBC microfibers. The amount of PIPAAm grafted on the microfibers was controlled via the IPAAm monomer concentration. The microfibers exhibited thermally controlled cell separation by selective adhesion of normal human dermal fibroblasts in a mixed cell suspension that also contained human umbilical vein endothelial cells...
February 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28217409/muscle-derived-stem-cells-stimulate-muscle-myofiber-repair-and-counteract-fat-infiltration-in-a-diabetic-mouse-model-of-critical-limb-ischemia
#6
J Tsao, I Kovanecz, N Awadalla, R Gelfand, I Sinha-Hikim, R A White, N F Gonzalez-Cadavid
BACKGROUND: Critical Limb Ischemia (CLI) affects patients with Type 2 Diabetes (T2D) and obesity, with high risk of amputation and post-surgical mortality, and no effective medical treatment. Stem cell therapy, mainly with bone marrow mesenchymal, adipose derived, endothelial, hematopoietic, and umbilical cord stem cells, is promising in CLI mouse and rat models and is in clinical trials. Their general focus is on angiogenic repair, with no reports on the alleviation of necrosis, lipofibrosis, and myofiber regeneration in the ischemic muscle, or the use of Muscle Derived Stem Cells (MDSC) alone or in combination with pharmacological adjuvants, in the context of CLI in T2D...
December 2016: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28213979/mmp-2-and-mmp-14-silencing-inhibits-vegfr2-cleavage-and-induces-the-differentiation-of-porcine-adipose-derived-mesenchymal-stem-cells-to-endothelial-cells
#7
Sami G Almalki, Yovani Llamas Valle, Devendra K Agrawal
The molecular mechanisms that control the ability of adipose-derived mesenchymal stem cells (AMSCs) to remodel three-dimensional extracellular matrix barriers during differentiation are not clearly understood. Herein, we studied the expression of matrix metalloproteinases (MMPs) during the differentiation of AMSCs to endothelial cells (ECs) in vitro. MSCs were isolated from porcine abdominal adipose tissue, and characterized by immunopositivity to CD44, CD90, CD105, and immunonegativity to CD14 and CD45. Plasticity of AMSCs was confirmed by multilineage differentiation...
February 18, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28210226/combination-of-collagen-based-scaffold-and-bioactive-factors-induces-adipose-derived-mesenchymal-stem-cells-chondrogenic-differentiation-in-vitro
#8
Giovanna Calabrese, Stefano Forte, Rosario Gulino, Francesco Cefalì, Elisa Figallo, Lucia Salvatorelli, Eugenia T Maniscalchi, Giuseppe Angelico, Rosalba Parenti, Massimo Gulisano, Lorenzo Memeo, Raffaella Giuffrida
Recently, multipotent mesenchymal stem cells (MSCs) have attracted much attention in the field of regenerative medicine due to their ability to give rise to different cell types, including chondrocytes. Damaged articular cartilage repair is one of the most challenging issues for regenerative medicine, due to the intrinsic limited capability of cartilage to heal because of its avascular nature. While surgical approaches like chondral autografts and allografts provide symptoms and function improvement only for a short period, MSC based stimulation therapies, like microfracture surgery or autologous matrix-induced chondrogenesis demonstrate to be more effective...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28209525/stromal-vascular-fraction-shows-robust-wound-healing-through-high-chemotactic-and-epithelialization-property
#9
Dong-Sic Chae, Seongho Han, Mina Son, Sung-Whan Kim
BACKGROUND: Although human stromal vascular fraction (SVF) has been regarded as an attractive stem cell source, its therapeutic mechanism in wound healing has not been fully elucidated. AIMS: In this study, we investigated the molecular characteristics and therapeutic property of SVF for wound healing. METHODS: Microarray data showed that SVF cells are enriched with a higher level of wound healing or epithelium development-related genes and micro RNA...
February 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28206643/in-vivo-exposure-to-inorganic-arsenic-alters-differentiation-specific-gene-expression-of-adipose-derived-mesenchymal-stem-stromal-cells-in-c57bl-6j-mouse-model
#10
Joseph J Shearer, Manoel Figueiredo Neto, C Samuel Umbaugh, Marxa L Figueiredo
No abstract text is available yet for this article.
February 16, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28205638/effects-of-mir-146a-on-the-osteogenesis-of-adipose-derived-mesenchymal-stem-cells-and-bone-regeneration
#11
Qing Xie, Wei Wei, Jing Ruan, Yi Ding, Ai Zhuang, Xiaoping Bi, Hao Sun, Ping Gu, Zi Wang, Xianqun Fan
Increasing evidence has indicated that bone morphogenetic protein 2 (BMP2) coordinates with microRNAs (miRNAs) to form intracellular networks regulating mesenchymal stem cells (MSCs) osteogenesis. This study aimed to identify specific miRNAs in rat adipose-derived mesenchymal stem cells (ADSCs) during BMP2-induced osteogenesis, we selected the most significantly down-regulated miRNA, miR-146a, to systematically investigate its role in regulating osteogenesis and bone regeneration. Overexpressing miR-146a notably repressed ADSC osteogenesis, whereas knocking down miR-146a greatly promoted this process...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28204811/isopsoralen-mediated-suppression-of-bone-marrow-adiposity-and-attenuation-of-the-adipogenic-commitment-of-bone-marrow-derived-mesenchymal-stem-cells
#12
Jian Wang, Sheng-Fa Li, Ting Wang, Chun-Han Sun, Liang Wang, Min-Jun Huang, Jian Chen, Shao-Wei Zheng, Nan Wang, Ying-Jun Zhang, Tian-Yu Chen
Osteoporosis (OP) increases the risk of bone fractures and other complications, and is thus a major clinical problem. In this study, we examined the effect of isopsoralen on the differentiation of bone-derived marrow mesenchymal stem cells (BMSCs) into osteoblasts and adipocytes, as well as bone formation under osteoporotic conditions. Primary femoral BMSCs isolated from C57BL/6 mice were used to evaluate the isopsoralen-mediated regulation of the expression of alkaline phosphatase (ALP), osteocalcin (OCN) and runt-related transcription factor 2 (RUNX2) during osteogenesis 2 weeks...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28202074/exendin-4-in-combination-with-adipose-derived-stem-cells-promotes-angiogenesis-and-improves-diabetic-wound-healing
#13
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/28201959/differentiation-potential-of-mesenchymal-stem-cells-derived-from-adipose-tissue-vs-bone-marrow-toward-annulus-fibrosus-cells-in-vitro
#14
Yifei Zhou, Xuqi Hu, Xuhao Zheng, Yaosen Wu, Naifeng Tian, Huazi Xu, Xiaolei Zhang
This study was to compare differentiation potential of bone marrow stem cells (BMSCs) and adipose-derived stem cells (ADSCs) from Sprague-Dawley rats towards annulus fibrosus (AF)-like cells. Using coculture plates with 0.4μm pore size polyethylene terephthalate (PET) track-etched inserts (Corning,USA), MSCs and AF cells were cocultured with direct cell-to-cell contact up till 21 days. We evaluated the AF markers expression at the histological level and molecular level. Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) results showed up regulation in AF marker gene expressions of both two MSCs after coculture...
February 13, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28197017/characterization-and-therapeutic-application-of-canine-adipose-mesenchymal-stem-cells-to-treat-elbow-osteoarthritis
#15
Éva Kriston-Pál, Ágnes Czibula, Zoltán Gyuris, Gyula Balka, Antal Seregi, Farkas Sükösd, Miklós Süth, Endre Kiss-Tóth, Lajos Haracska, Ferenc Uher, Éva Monostori
Visceral adipose tissue (AT) obtained from surgical waste during routine ovariectomies was used as a source for isolating canine mesenchymal stem cells (MSCs). As determined by cytofluorimetry, passage 2 cells expressed MSC markers CD44 and CD90 and were negative for lineage-specific markers CD34 and CD45. The cells differentiated toward osteogenic, adipogenic, and chondrogenic directions. With therapeutic aims, 30 dogs (39 joints) suffering from elbow dysplasia (ED) and osteoarthritis (OA) were intra-articularly transplanted with allogeneic MSCs suspended in 0...
January 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28194905/a-proinflammatory-secretome-mediates-the-impaired-immunopotency-of-human-mesenchymal-stromal-cells-in-elderly-patients-with-atherosclerosis
#16
Özge Kizilay Mancini, Maximilien Lora, Dominique Shum-Tim, Stephanie Nadeau, Francis Rodier, Inés Colmegna
Inflammation plays a pivotal role in the initiation and progression of atherosclerosis (ATH). Due to their potent immunomodulatory properties, mesenchymal stromal cells (MSCs) are evaluated as therapeutic tools in ATH and other chronic inflammatory disorders. Aging reduces MSCs immunopotency potentially limiting their therapeutic utility. The mechanisms that mediate the effect of age on MSCs immune-regulatory function remain elusive and are the focus of this study. Human adipose tissue-derived MSCs were isolated from patients undergoing coronary artery bypass graft surgery...
February 14, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28193263/automated-freeze-thaw-cycles-for-decellularization-of-tendon-tissue-a-pilot-study
#17
Susanne Pauline Roth, Sina Marie Glauche, Amelie Plenge, Ina Erbe, Sandra Heller, Janina Burk
BACKGROUND: Decellularization of tendon tissue plays a pivotal role in current tissue engineering approaches for in vitro research as well as for translation of graft-based tendon restoration into clinics. Automation of essential decellularization steps like freeze-thawing is crucial for the development of more standardized decellularization protocols and commercial graft production under good manufacturing practice (GMP) conditions in the future. METHODS: In this study, a liquid nitrogen-based controlled rate freezer was utilized for automation of repeated freeze-thawing for decellularization of equine superficial digital flexor tendons...
February 14, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28191762/periodontal-tissue-regeneration-using-syngeneic-adipose-derived-stromal-cells-in-a-mouse-model
#18
Mathieu Lemaitre, Paul Monsarrat, Vincent Blasco-Baque, Pascale Loubières, Rémy Burcelin, Louis Casteilla, Valérie Planat-Bénard, Philippe Kémoun
Current treatment of periodontitis is still associated with a high degree of variability in clinical outcomes. Recent advances in regenerative medicine by mesenchymal cells, including adipose stromal cells (ASC) have paved the way to improved periodontal regeneration (PD) but little is known about the biological processes involved. Here, we aimed to use syngeneic ASCs for periodontal regeneration in a new, relevant, bacteria-induced periodontitis model in mice. Periodontal defects were induced in female C57BL6/J mice by oral gavage with periodontal pathogens...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28191017/mouse-mesenchymal-progenitor-cells-expressing-adipogenic-and-osteogenic-transcription-factors-suppress-the-macrophage-inflammatory-response
#19
Natalie Fernandez, Heather Renna, Lauren McHugh, Katie Mazolkova, William Crugnola, Jodi F Evans
Mesenchymal progenitor cell characteristics that can identify progenitor populations with specific functions in immunity are actively being investigated. Progenitors from bone marrow and adipose tissue regulate the macrophage (MΦ) inflammatory response by promoting the switch from an inflammatory to an anti-inflammatory phenotype. Conversely, mesenchymal progenitors from the mouse aorta (mAo) support and contribute to the MΦ response under inflammatory conditions. We used cell lines with purported opposing immune-regulatory function, a bone marrow derived mesenchymal progenitor cell line (D1) and a mouse aorta derived mesenchymal progenitor cell line (mAo)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28186708/mesenchymal-stem-cell-derived-extracellular-vesicles-as-mediators-of-anti-inflammatory-effects-endorsement-of-macrophage-polarization
#20
Claudia Lo Sicco, Daniele Reverberi, Carolina Balbi, Valentina Ulivi, Elisa Principi, Luisa Pascucci, Pamela Becherini, Maria Carla Bosco, Luigi Varesio, Chiara Franzin, Michela Pozzobon, Ranieri Cancedda, Roberta Tasso
Mesenchymal Stem Cells (MSCs) are effective therapeutic agents enhancing the repair of injured tissues mostly through their paracrine activity. Increasing evidences show that besides the secretion of soluble molecules, the release of extracellular vesicles (EVs) represents an alternative mechanism adopted by MSCs. Since macrophages are essential contributors toward the resolution of inflammation, which has emerged as a finely orchestrated process, the aim of the present study was to carry out a detailed characterization of EVs released by human adipose derived-MSCs to investigate their involvement as modulators of MSC anti-inflammatory effects inducing macrophage polarization...
January 31, 2017: Stem Cells Translational Medicine
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