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Fat derived stem cell

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https://www.readbyqxmd.com/read/29144272/body-composition-in-children-with-chronic-illness-accuracy-of-bedside-assessment-techniques
#1
Enid E Martinez, Craig D Smallwood, Nicolle L Quinn, Katelyn Ariagno, Lori J Bechard, Christopher P Duggan, Nilesh M Mehta
OBJECTIVE: To evaluate the accuracy of estimated fat mass and fat-free mass from bedside methods compared with reference methods in children with chronic illnesses. STUDY DESIGN: Fat mass and fat-free mass values were obtained by skinfold, bioelectrical impedance analysis (BIA), dual-energy x-ray absorptiometry (DXA), and deuterium dilution method in children with spinal muscular atrophy, intestinal failure, and post hematopoietic stem cell transplantation (HSCT)...
November 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29143185/osteogenic-prospective-of-deriving-human-dental-stem-cells-in-collagen-matrix-boost
#2
Tong-Jing Fang, Ding-Han Wang, Chia-Yu Wang, Raju Poongodi, Nien-Hsien Liou, Jiang-Chuan Liu, Ming-Lun Hsu, Po-Da Hong, Shih-Fang Yang, Meng-Lun Liu
Stem cells derived from oral tissue represent a highly attractive alternative source for clinical bone regeneration because they can be collected by non-invasive or minimally invasive procedures. Herein, we describe the human dental stem cells (DSCs) deriving from buccal fat pads (BFP), dental pulp (DP) of impacted teeth, and periodontal ligaments (PDL) to obtain BFPSCs, DPSCs, and PDLSCs, respectively. Cells were purified with selected medium and expanded through passages in stem cell culture medium. Purified cells were characterized for stemness by their growth rate, immunostaining, and multilineage differentiation ability...
November 15, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29141683/pellet-coculture-of-osteoarthritic-chondrocytes-and-infrapatellar-fat-pad-derived-mesenchymal-stem-cells-with-chitosan-hyaluronic-acid-nanoparticles-promotes-chondrogenic-differentiation
#3
Shu Huang, Xiongbo Song, Tao Li, Jingfang Xiao, Yemiao Chen, Xiaoyuan Gong, Weinan Zeng, Liu Yang, Cheng Chen
BACKGROUND: Cell source plays a key role in cell-based cartilage repair and regeneration. Recent efforts in cell coculture have attempted to combine the advantages and negate the drawbacks of the constituent cell types. The aim of this study was to evaluate the chondrogenic outcome of articular chondrocytes (ACs) and infrapatellar fat pad (IPFP)-derived mesenchymal stem cells (MSCs) in direct coculture. METHODS: ACs and IPFP MSCs from the same patients with knee osteoarthritis (OA) were cocultured in monolayer and in pellets...
November 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29134302/nuclear-organization-during-in-vitro-differentiation-of-porcine-mesenchymal-stem-cells-mscs-into-adipocytes
#4
Joanna Stachecka, Agnieszka Walczak, Beata Kociucka, Błażej Ruszczycki, Grzegorz Wilczyński, Izabela Szczerbal
Differentiation of progenitor cells into adipocytes is accompanied by remarkable changes in cell morphology, cytoskeletal organization, and gene expression profile. Mature adipocytes are filled with a large lipid droplet and the nucleus tends to move to the cell periphery. It was hypothesized that the differentiation process is also associated with changes of nuclear organization. The aim of this study was to determine the number and distribution of selected components of nuclear architecture during porcine in vitro adipogenesis...
November 13, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29133512/exosomes-from-adipose-derived-stem-cells-attenuate-adipose-inflammation-and-obesity-through-polarizing-m2-macrophages-and-beiging-in-white-adipose-tissues
#5
Hui Zhao, Qianwen Shang, Zhenzhen Pan, Yang Bai, Zequn Li, Huiying Zhang, Qiu Zhang, Chun Guo, Lining Zhang, Qun Wang
Adipose-derived stem cells (ADSCs) play critical roles in controlling obesity-associated inflammation and metabolic disorders. Exosomes from ADSCs exert protective effects in several diseases, but their roles in obesity and related pathological conditions remain unclear. Here we showed that treatment of obese mice with ADSC-derived exosomes facilitated their metabolic homeostasis including improved insulin sensitivity (27.8% improvement), reduced obesity and alleviated hepatic steatosis. ADSC-derived exosomes drove M2 macrophage polarization, inflammation reduction and beiging in white adipose tissues (WAT) of diet-induced obese mice...
November 13, 2017: Diabetes
https://www.readbyqxmd.com/read/29132047/in-situ-label-free-monitoring-of-human-adipose-derived-mesenchymal-stem-cell-differentiation-into-multiple-lineages
#6
Intan Rosalina Suhito, Yoojoong Han, Junhong Min, Hyungbin Son, Tae-Hyung Kim
Precise characterizations of stem cell differentiation into specific lineages, especially in non-destructive and non-invasive manner, are extremely important for generating patient-specific cells without mass loss of differentiated cells. Here, we report a new method capable of in situ label-free quantification of stem cell differentiation into multiple lineages, even at a single cell level. The human adipose-derived mesenchymal stem cells (hADMSCs) were first differentiated into two different types of cells (osteoblasts and adipocytes) and these differentiated cells were then intensively analyzed by micro-Raman spectroscopy...
November 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/29107296/maternal-obesity-alters-fatty-acid-oxidation-ampk-activity-and-associated-dna-methylation-in-mesenchymal-stem-cells-from-human-infants
#7
Kristen E Boyle, Zachary W Patinkin, Allison L B Shapiro, Carly Bader, Lauren Vanderlinden, Katerina Kechris, Rachel C Janssen, Rebecca J Ford, Brennan K Smith, Gregory R Steinberg, Elizabeth J Davidson, Ivana V Yang, Dana Dabelea, Jacob E Friedman
OBJECTIVE: Infants born to mothers with obesity have greater adiposity, ectopic fat storage, and are at increased risk for childhood obesity and metabolic disease compared with infants of normal weight mothers, though the cellular mechanisms mediating these effects are unclear. METHODS: We tested the hypothesis that human, umbilical cord-derived mesenchymal stem cells (MSCs) from infants born to obese (Ob-MSC) versus normal weight (NW-MSC) mothers demonstrate altered fatty acid metabolism consistent with adult obesity...
November 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29105354/low-oxygen-conditions-promote-synergistic-increases-in-chondrogenesis-during-co-culture-of-human-osteoarthritic-stem-cells-and-chondrocytes
#8
Susan E Critchley, Rajalakshmanan Eswaramoorthy, Daniel J Kelly
There has been increased interest in co-cultures of stem cells and chondrocytes for cartilage tissue engineering as there are the limitations associated with using either cell type alone. Drawbacks associated with the use of chondrocytes include the limited numbers of cells available for isolation from damaged or diseased joints, their dedifferentiation during in vitro expansion and a diminished capacity to synthesise cartilage-specific extracellular matrix components with age and disease. This has motivated the use of adult stem cells with either freshly isolated or culture expanded chondrocytes for cartilage repair applications, however the ideal combination of cells and environmental conditions for promoting robust chondrogenesis remains unclear...
November 3, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29102952/comparison-of-the-viability-and-yield-of-adipose-derived-stem-cells-ascs-from-different-donor-areas
#9
Anastasios Tsekouras, Dimitrios Mantas, Diamantis I Tsilimigras, Demetrios Moris, Michael Kontos, George C Zografos
BACKGROUND: Adipose tissue contains variable amounts of stem cells that have recently attracted increased interest due to their strong proliferative and differentiation capacity. However, significant heterogeneity exists in terms of stem cell yield and viability profile among individuals as well as different donor areas. MATERIALS AND METHODS: Between June 2016 and July 2016, forty (40) women underwent outpatient cosmetic liposuction procedures conferring a total of 53 lipoaspirates; inner thigh (n=13), outer thigh (n=9), abdomen (n=9), waist (n=16) and inner knee (n=6)...
November 2017: In Vivo
https://www.readbyqxmd.com/read/29101070/metabolic-syndrome-alters-expression-of-insulin-signaling-related-genes-in-swine-mesenchymal-stem-cells
#10
Sabena M Conley, Xiang-Yang Zhu, Alfonso Eirin, Hui Tang, Amir Lerman, Andre J van Wijnen, Lilach O Lerman
AIMS: Metabolic syndrome (MetS) is associated with insulin resistance (IR) and impaired glucose metabolism in muscle, fat, and other cells, and may induce inflammation and vascular remodeling. Endogenous reparative systems, including adipose tissue-derived mesenchymal stem/stromal cells (MSC), are responsible for repair of damaged tissue. MSC have also been proposed as an exogenous therapeutic intervention in patients with cardiovascular and chronic kidney disease (CKD). The feasibility of using autologous cells depends on their integrity, but whether in MetS IR involves adipose tissue-derived MSC remains unknown...
October 31, 2017: Gene
https://www.readbyqxmd.com/read/29091156/low-level-laser-irradiation-promotes-proliferation-of-cryopreserved-adipose-derived-stem-cells
#11
Fernanda Ginani, Diego Moura Soares, Hugo Alexandre de Oliveira Rocha, Carlos Augusto Galvão Barboza
OBJECTIVE: To evaluate the effect of low-level laser irradiation on proliferation and viability of murine adipose-derived stem cells previously submitted to cryopreservation. METHODS: Adipose-derived stem cells were isolated from inguinal fat pads of three mice, submitted to cryopreservation in fetal bovine serum with 10% dimethylsulfoxide for 30 days and then thawed and maintained in normal culture conditions. Culture cells were either irradiated or not (control) with an InGaAIP diode laser at zero and 48 hours, using two different energy densities (0...
July 2017: Einstein
https://www.readbyqxmd.com/read/29080294/microparticles-carrying-peroxisome-proliferator-activated-receptor-alpha-restore-the-reduced-differentiation-and-functionality-of-bone-marrow-derived-cells-induced-by-high-fat-diet
#12
Luisa Vergori, Emilie Lauret, Raffaella Soleti, Ramaroson Andriantsitohaina, M Carmen Martinez
Metabolic pathologies such as diabetes and obesity are associated with decreased level of circulating and bone marrow (BM)-derived endothelial progenitor cells (EPCs). It is known that activation of peroxisome proliferator-activated receptor alpha (PPARα) may stimulate cell differentiation. In addition, microparticles (MPs), small membrane vesicles produced by activated and apoptotic cells, are able to reprogram EPCs. Here, we evaluated the role of MPs carrying PPARα on both phenotype and function of progenitor cells from mice fed with a high-fat diet (HFD)...
October 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29068969/positive-effect-of-incubated-adipose-derived-mesenchymal-stem-cells-on-microfat-graft-survival
#13
Jong Woo Choi, Sung-Chan Kim, Eun-Jung Park, Ju-A Lee, Woo Shik Jeong
Autologous fat grafting is commonly used for soft tissue augmentation, but its unpredictably high resorption rate remains a major limitation. Although adipose-derived mesenchymal stem cells (ASCs) are an attractive candidate for enhancing graft retention, their poor posttransplantation viability limits their application. The authors aimed to evaluate the effect of incubated ASCs on microfat graft survival in an immunocompromised mouse model. Lipoaspirates for microfat injection were collected from the wasted lower abdominal adipose tissues of 5 patients who had undergone breast reconstructive surgery with an abdominal flap...
October 24, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29067668/advanced-methods-to-study-the-cross-talk-between-fibro-adipogenic-progenitors-and-muscle-stem-cells
#14
Luca Tucciarone, Usue Etxaniz, Martina Sandoná, Silvia Consalvi, Pier Lorenzo Puri, Valentina Saccone
Functional interactions between muscle (satellite) stem cells-MuSCs-and other cellular components of their niche (the fibro-adipogenic progenitors-FAPs) coordinate regeneration of injured as well as diseased skeletal muscles. These interactions are largely mediated by secretory networks, whose integrity is critical to determine whether repair occurs by compensatory regeneration leading to formation of new contractile fibers, or by maladaptive formation of fibrotic scars and fat infiltration. Here we provide the description of methods for isolation of FAPs and MuSCs from muscles of wild type and dystrophic mice, and protocols of cocultures as well as MuSC's exposure to FAP- derived exosomes...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29058774/mesoderm-specific-transcript-localization-in-the-er-and-er-lipid-droplet-interface-supports-a-role-in-adipocyte-hypertrophy
#15
Igor Prudovsky, Rea P Anunciado-Koza, Chester G Jacobs, Doreen Kacer, Matthew E Siviski, Robert A Koza
Highly variable expression of mesoderm specific transcript (Mest) in adipose tissue among genetically homogeneous mice fed an obesogenic diet, and its positive association with fat mass expansion, suggests that Mest is an epigenetic determinant for the development of obesity. Although the mechanisms by which MEST augments fat accumulation in adipocytes have not been elucidated, it has sequence homology and catalytic peptide motifs which suggests that it functions as an epoxide hydrolase or as a glycerol- or acylglycerol-3-phosphate acyltransferase...
October 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29051103/silk-sericin-degummed-wastewater-solution-derived-and-nitrogen-enriched-porous-carbon-nanosheets-for-robust-biological-imaging-of-stem-cells
#16
Chuan-Chung Chuang, Adhimoorthy Prasannan, Po-Da Hong, Ming-Yu Chiang
Appreciated raw materials like silk-sericin can be recovered from silk-textile industrial waste for the production of novel functional nanomaterials. In this study, highly fluorescent sericin based carbon nanosheets (SCN) were produced from industrial wastewater containing silk-sericin as a precursor, and was applied as bio-imaging application for oral fat stem cells. A simple one-pot, hydrothermal carbonization method was used to produce SCN at a 180°C. The obtained hydrothermal carbons exhibited strong fluorescence properties due to the presence of strong polar groups, such as carboxyl, amino and amide groups in the surface...
October 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29047330/deletion-of-the-nr4a-nuclear-receptor-nor1-in-hematopoietic-stem-cells-reduces-inflammation-but-not-abdominal-aortic-aneurysm-formation
#17
Hua Qing, Karrie L Jones, Elizabeth B Heywood, Hong Lu, Alan Daugherty, Dennis Bruemmer
BACKGROUND: The NR4A3 orphan nuclear hormone receptor, NOR1, functions as a constitutively active transcription factor to regulate inflammation, proliferation, and cell survival during pathological vascular remodeling. Inflammatory processes represent key mechanisms leading to abdominal aortic aneurysm (AAA) formation. However, a role of NOR1 in AAA formation has not been investigated previously. METHODS: Inflammatory gene expression was analyzed in bone marrow-derived macrophages isolated from NOR1-deficient mice...
October 18, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29040421/effect-of-use-of-platelet-rich-plasma-prp-in-skin-with-intrinsic-aging-process
#18
Luiz Charles-de-Sá, Natale Ferreira Gontijo-de-Amorim, Christina Maeda Takiya, Radovan Borojevic, Donatella Benati, Paolo Bernardi, Andrea Sbarbati, Gino Rigotti
Background: In previous papers, we demonstrated that the treatment of human photoaged skin with stromal-vascular fraction-enriched fat or expanded adipose-derived stem cells showed a decrease of elastosis and the appearance of new oxytalan elastic fibers in dermis and an increase in the vascular network. The utilization of fat plus platelet-rich plasma (PRP) led to an increase in the vascular permeability and reactivity of the nervous component. Objectives: The purpose of this study was to analyze the histologic and ultrastructural changes of human skin after the injection of only PRP in the retroauricular area that was not exposed to sun and did not present the photoaging process, in comparison with our previous results...
September 7, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29036027/early-macrophage-infiltration-improves-the-fat-graft-survival-by-inducing-angiogenesis-and-hematopoietic-stem-cell-recruitment
#19
Junrong Cai, Jingwei Feng, Kaiyang Liu, Shaolong Zhou, Feng Lu
BACKGROUND: Fat grafting is a popular soft tissue filler method; however, its results are variable and technique-dependent. Macrophages are present in fat grafts and closely associated with tissue regeneration. We hypothesized that activation/depletion of early macrophages in transferred fat improves/impairs fat graft survival. METHODS: Mouse inguinal fat (~150 mg) was transferred autologously. Fat grafting was first performed without other manipulations to obtain baseline information...
October 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29033835/farnesol-has-an-anti-obesity-effect-in-high-fat-diet-induced-obese-mice-and-induces-the-development-of-beige-adipocytes-in-human-adipose-tissue-derived-mesenchymal-stem-cells
#20
Hye-Lin Kim, Yunu Jung, Jinbong Park, Dong-Hyun Youn, JongWook Kang, Seona Lim, Beom Su Lee, Mi-Young Jeong, Seong-Kyu Choe, Raekil Park, Kwang Seok Ahn, Jae-Young Um
Brown adipocytes dissipate energy as heat and hence have an important therapeutic capacity for obesity. Development of brown-like adipocytes (also called beige) is also another attractive target for obesity treatment. Here, we investigated the effect of farnesol, an isoprenoid, on adipogenesis in adipocytes and on the browning of white adipose tissue (WAT) as well as on the weight gain of high-fat diet (HFD)-induced obese mice. Farnesol inhibited adipogenesis and the related key regulators including peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer binding protein α through the up-regulation of AMP-activated protein kinase in 3T3-L1 murine adipocytes and human adipose tissue-derived mesenchymal stem cells (hAMSCs)...
2017: Frontiers in Pharmacology
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