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Adipose-derived mesenchymal cells

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https://www.readbyqxmd.com/read/28549605/wnt3a-and-the-induction-of-the-osteogenic-differentiation-in-adipose-tissue-derived-mesenchymal-stem-cells
#1
C Morsczeck, A Reck, T E Reichert
Adipose tissue derived stem cells (ASCs) can easily be isolated, but the osteogenic differentiation potential is limited. To improve this differentiation potential, more investigations are required about signaling proteins for the induction of the osteogenic differentiation. This study focused on the WNT3A protein, because little is known about the canonical WNT signaling pathway and the osteogenic differentiation of ASCs. The alkaline phosphatase (ALP) activity was measured for the evaluation of the osteogenic differentiation...
May 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28549587/neuronally-differentiated-adipose-derived-stem-cells-and-aligned-phbv-nanofiber-nerve-scaffolds-promote-sciatic-nerve-regeneration
#2
Feihu Hu, Xiaofeng Zhang, Haixia Liu, Peng Xu, Doulathunnisa, Gaojun Teng, Zhongdang Xiao
Through a combination of biomaterials and stem cells, tissue engineering strategies for restoring and regenerating damaged peripheral nerves have recently been used to meet the challenges posed by nerve injury. In a previous study, we revealed a new way to induce neuronal differentiation of stem cells based on the temporally sequential use of miR-218 and Fibroblast Growth Factor 2 (FGF2) in vitro (FGF2-miR-218 induction approach). In the present study, we sought to investigate the application of this novel approach in repairing sciatic nerve damage in vivo...
May 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28548571/correlation-of-cdc42-activity-with-cell-proliferation-and-palmitate-mediated-cell-death-in-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stromal-cells
#3
Jun Lu, Qinghua Wang, Lianghu Huang, Huiyue Dong, Lingjing Lin, Jianming Tan
RHO GTPases regulate cell migration, cell-cycle progression, and cell survival in response to extracellular stimuli. However, the regulatory effects of RHO GTPases in mesenchymal stromal cells (MSCs) are unclear. Herein, we show that CDC42 acts as an essential factor in regulating cell proliferation and also takes part in lipotoxic effects of palmitate in human umbilical cord Wharton's jelly derived MSCs (hWJ-MSCs). Cultured human bone marrow (hBM-MSCs), adipose tissue (hAD-MSCs), and umbilical cord Wharton's jelly (hWJ-MSCs) derived cells had varying pro-inflammatory cytokine secretion levels and cell death rates when treated by palmitate...
May 26, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28546919/cell-viability-and-extracellular-matrix-synthesis-in-a-co-culture-system-of-corneal-stromal-cells-and-adipose-derived-mesenchymal-stem-cells
#4
Ting Shen, Jiang Shen, Qing-Qing Zheng, Qiu-Shi Li, Hai-Lan Zhao, Lei Cui, Chao-Yang Hong
AIM: To investigate the impact of adipose-derived mesenchymal stem cells (ADSCs) on cell viability and extracellular matrix (ECM) synthesis of corneal stromal cells (CSCs). METHODS: ADSCs and CSCs were obtained from the corneas of New Zealand white rabbits and indirectly co-cultured in vitro. The proliferative capacity of CSCs in the different groups was assessed by CCK-8 assays. Annexin V-fluorescein isothiocyanate (FITC)/proliferation indices (PI) assays were used to detect the apoptosis of CSCs...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28545230/nanog-plays-a-hierarchical-role-in-the-transcription-network-regulating-the-pluripotency-and-plasticity-of-adipose-tissue-derived-stem-cells
#5
Maria Pitrone, Giuseppe Pizzolanti, Laura Tomasello, Antonina Coppola, Lorenzo Morini, Gianni Pantuso, Romina Ficarella, Valentina Guarnotta, Sebastio Perrini, Francesco Giorgino, Carla Giordano
The stromal vascular cell fraction (SVF) of visceral and subcutaneous adipose tissue (VAT and SAT) has increasingly come into focus in stem cell research, since these compartments represent a rich source of multipotent adipose-derived stem cells (ASCs). ASCs exhibit a self-renewal potential and differentiation capacity. Our aim was to study the different expression of the embryonic stem cell markers NANOG (homeobox protein NANOG), SOX2 (SRY (sex determining region Y)-box 2) and OCT4 (octamer-binding transcription factor 4) and to evaluate if there exists a hierarchal role in this network in ASCs derived from both SAT and VAT...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28544786/mir-122-modification-enhances-the-therapeutic-efficacy-of-adipose-tissue-derived-mesenchymal-stem-cells-against-liver-fibrosis
#6
Guohua Lou, Ying Yang, Feifei Liu, Bingjue Ye, Zhi Chen, Min Zheng, Yanning Liu
Mesenchymal stem cell (MSC) transplantation alone may be insufficient for treatment of liver fibrosis because of complicated histopathological changes in the liver. Given that miR-122 plays an essential role in liver fibrosis by negatively regulating the proliferation and transactivation of hepatic stellate cells (HSCs), this study investigated whether miR-122 modification can improve the therapeutic efficacy of adipose tissue-derived MSCs in treating liver fibrosis. MiR-122-modified AMSCs (AMSC-122) were constructed through lentivirus-mediated transfer of pre-miR-122...
May 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28542352/preconditioning-of-adipose-tissue-derived-mesenchymal-stem-cells-with-deferoxamine-increases-the-production-of-pro-angiogenic-neuroprotective-and-anti-inflammatory-factors-potential-application-in-the-treatment-of-diabetic-neuropathy
#7
Carolina Oses, Belén Olivares, Marcelo Ezquer, Cristian Acosta, Paul Bosch, Macarena Donoso, Patricio Léniz, Fernando Ezquer
Diabetic neuropathy (DN) is one of the most frequent and troublesome complications of diabetes mellitus. Evidence from diabetic animal models and diabetic patients suggests that reduced availability of neuroprotective and pro-angiogenic factors in the nerves in combination with a chronic pro-inflammatory microenvironment and high level of oxidative stress, contribute to the pathogenesis of DN. Mesenchymal stem cells (MSCs) are of great interest as therapeutic agents for regenerative purposes, since they can secrete a broad range of cytoprotective and anti-inflammatory factors...
2017: PloS One
https://www.readbyqxmd.com/read/28541092/amniotic-mesenchymal-stromal-cells-exhibit-preferential-osteogenic-and-chondrogenic-differentiation-and-enhanced-matrix-production-compared-with-adipose-mesenchymal-stromal-cells
#8
Natasha Topoluk, Richard Hawkins, John Tokish, Jeremy Mercuri
BACKGROUND: Therapeutic efficacy of various mesenchymal stromal cell (MSC) types for orthopaedic applications is currently being investigated. While the concept of MSC therapy is well grounded in the basic science of healing and regeneration, little is known about individual MSC populations in terms of their propensity to promote the repair and/or regeneration of specific musculoskeletal tissues. Two promising MSC sources, adipose and amnion, have each demonstrated differentiation and extracellular matrix (ECM) production in the setting of musculoskeletal tissue regeneration...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28537846/uremic-toxins-affect-the-imbalance-of-redox-state-and-overexpression-of-prolyl-hydroxylase-2-in-human-adipose-tissue-derived-mesenchymal-stem-cells-involved-in-wound-healing
#9
Vuong Cat Khanh, Kinuko Ohneda, Toshiki Kato, Toshiharu Yamashita, Fujio Sato, Kana Tachi, Osamu Ohneda
Chronic kidney disease (CKD) results in a delay in wound healing because of its complications such as uremia, anemia, and fluid overload. Mesenchymal stem cells (MSCs) are considered to be a candidate for wound healing because of the ability to recruit many types of cells. However, it is still unclear whether the CKD-adipose tissue-derived MSCs (CKD-AT-MSCs) have the same function in wound healing as healthy donor-derived normal AT-MSCs (nAT-MSCs). In this study, we found that uremic toxins induced elevated reactive oxygen species (ROS) expression in nAT-MSCs, resulting in the reduced expression of hypoxia-inducible factor-1α (HIF-1α) under hypoxic conditions...
May 24, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28536871/impact-of-early-subcultures-on-stemness-migration-and-angiogenic-potential-of-adipose-tissue-derived-stem-cells-and-their-resistance-to-in-vitro-ischemic-condition
#10
Hossein Faghih, Arash Javeri, Masoumeh Fakhr Taha
Adipose tissue-derived stem cells (ADSCs) are capable of multipotential differentiation and express several angiogenic, anti-apoptotic and immunomodulatory markers. These features make adipose tissue as a promising source of stem cells for regenerative medicine. However, for efficient translational use, culture-induced changes in the gene expression profile and resistance of the ADSCs to ischemic environment should be taken into consideration. We compared the expression of some clinically important markers between the unpassaged and third-passaged ADSCs by RT-PCR, qPCR and flow cytometry...
May 23, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28533959/preservation-media-durations-and-cell-concentrations-of-short-term-storage-affect-key-features-of-human-adipose-derived-mesenchymal-stem-cells-for-therapeutic-application
#11
Fengli Zhang, Huaijuan Ren, Xiaohu Shao, Chao Zhuang, Yantian Chen, Nianmin Qi
BACKGROUND: Adipose-derived mesenchymal stem cells (ADSCs) have shown great potential in the treatment of various diseases. However, the optimum short-term storage condition of ADSCs in 2∼8 °C is rarely reported. This study aimed at optimizing a short-term storage condition to ensure the viability and function of ADSCs before transplantation. METHODS: Preservation media and durations of storage were evaluated by cell viability, apoptosis, adhesion ability and colony-forming unit (CFU) capacity of ADSCs...
2017: PeerJ
https://www.readbyqxmd.com/read/28529106/engineered-cartilage-regeneration-from-adipose-tissue-derived-mesenchymal-stem-cells-a-morphomolecular-study-on-osteoblast-chondrocyte-and-apoptosis-evaluation
#12
Marta Anna Szychlinska, Paola Castrogiovanni, Houda Nsir, Michelino Di Rosa, Claudia Guglielmino, Rosalba Parenti, Giovanna Calabrese, Elisabetta Pricoco, Lucia Salvatorelli, Gaetano Magro, Rosa Imbesi, Ali Mobasheri, Giuseppe Musumeci
The poor self-repair capacity of cartilage tissue in degenerative conditions, such as osteoarthritis (OA), has prompted the development of a variety of therapeutic approaches, such as cellular therapies and tissue engineering based on the use of mesenchymal stem cells (MSCs). The aim of this study is to demonstrate, for the first time, that the chondrocytes differentiated from rat adipose tissue derived-MSCs (AMSCs), are able to constitute a morphologically and biochemically healthy hyaline cartilage after 6 weeks of culture on a Collagen Cell Carrier (CCC) scaffold...
May 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28528976/necdin-modulates-osteogenic-cell-differentiation-by-regulating-dlx5-and-mage-d1
#13
Hyunhee Ju, Sangho Lee, Jinyong Lee, Sungho Ghil
Osteoblasts originate from mesenchymal stem cells that also differentiate into adipocytes, myoblasts, chondrocytes and fibroblasts. Osteogenic differentiation involves diverse regulatory proteins, including transcription and growth factors. Neurally differentiated embryonal carcinoma-derived protein (Necdin) has been identified as a key regulator of cell differentiation in various tissues, including neuronal, adipose, and muscular tissues; although its role in bone tissue remains to be established. Here, we investigated the potential involvement of Necdin in osteogenic differentiation...
May 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28528427/repeated-systemic-administration-of-adipose-tissue-derived-mesenchymal-stem-cells-prevents-tracheal-obliteration-in-a-murine-model-of-bronchiolitis-obliterans
#14
William Lorenzi, Fabiany Da Costa Gonçalves, Natália Schneider, Éverton Franco Silva, Fernanda Visioli, Ana Helena Paz, Mauricio Guidi Saueressig
OBJECTIVE: To investigate the effect of adipose tissue-derived mesenchymal stem cell (ASC) administered either systemically or locally in a murine model of bronchiolitis obliterans. RESULTS: When compared to controls, systemic treatment with 10(6) ASCs on D0 and a second dose on D7 significantly prevented tracheal obliteration 28 days after heterotopic tracheal transplantation (median of 94 vs. 16%; P < 0.01). A single dose tended towards less stenosis than controls, but did not reach statistical significance (28 vs...
May 20, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28528367/evaluating-the-role-of-autologous-mesenchymal-stem-cell-seeded-on-decellularized-pericardium-in-the-treatment-of-myocardial-infarction-an-animal-study
#15
Abdol-Mohammad Kajbafzadeh, Seyed Hossein Ahmadi Tafti, Reza Khorramirouz, Shabnam Sabetkish, Seyedeh Maryam Kameli, Saghar Orangian, Shahram Rabbani, Nasim Oveisi, Marziyeh Golmohammadi, Zeynab Kashani
Inappropriate left ventricular remodeling following myocardial infarction (MI) can result in subsequent severe dysfunction. In this study, we tested the hypothesis that decellularized pericardium (DP) or seeded pericardial patch with autologous adipose-derived mesenchymal stem cells (ADMSCs) could be safely used in a MI scar and could improve heart function. Twelve rabbits were randomly divided into three equal groups. Four weeks after MI induction by ligation of the left anterior descending artery in 12 rabbits, animals of G1 (n = 4) received DP patch with labeled ADMSCs...
May 20, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28526089/adipose-derived-mesenchymal-stem-cells-from-liposuction-and-resected-fat-are-feasible-sources-for-regenerative-medicine
#16
Sandra Schneider, Marina Unger, Martijn van Griensven, Elizabeth R Balmayor
BACKGROUND: The use of mesenchymal stem cells (MSCs) in research and in regenerative medicine has progressed. Bone marrow as a source has drawbacks because of subsequent morbidities. An easily accessible and valuable source is adipose tissue. This type of tissue contains a high number of MSCs, and obtaining higher quantities of tissue is more feasible. Fat tissue can be harvested using different methods such as liposuction and resection. First, a detailed isolation protocol with complete characterization is described...
May 19, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28525896/activation-of-cannabinoid-receptor-type-ii-by-am1241-protects-adipose-derived-mesenchymal-stem-cells-from-oxidative-damage-and-enhances-their-therapeutic-efficacy-in-myocardial-infarction-mice-via-stat3-activation
#17
Dong Han, Xiang Li, Wen-Si Fan, Jiang-Wei Chen, Tian-Tian Gou, Tao Su, Miao-Miao Fan, Meng-Qi Xu, Ya-Bin Wang, Sai Ma, Ya Qiu, Feng Cao
The poor survival of cells in ischemic sites diminishes the therapeutic efficacy of stem cell therapy. Previously we and others have reported that Cannabinoid receptor type II (CB2) is protective during heart ischemic injury for its anti-oxidative activity. However, whether CB2 activation could improve the survival and therapeutic efficacy of stem cells in ischemic myocardium and the underlying mechanisms remain elusive. Here, we showed evidence that CB2 agonist AM1241 treatment could improve the functional survival of adipose-derived mesenchymal stem cells (AD-MSCs) in vitro as well as in vivo...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523512/reduced-adipogenesis-after-lung-tumor-exosomes-priming-in-human-mesenchymal-stem-cells-via-tgf%C3%AE-signaling-pathway
#18
Shihua Wang, Xiaoxia Li, Meiqian Xu, Jing Wang, Robert Chunhua Zhao
A key feature of cancer cachexia is the loss of adipose tissue, mainly due to increased lipolysis and an impairment of adipogenesis. Recent findings have shown that cancer exosomes promoted lipolysis in adipose tissue. However, effects of cancer exosomes on adipogenesis were not reported. In this study, we found that lung cancer exosomes could be internalized by human adipose tissue-derived mesenchymal stem cells (hAD-MSCs) and significantly inhibited hAD-MSC adipogenesis as demonstrated by Oil Red O staining and decreased expression of adipogenic-specific genes...
May 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28521866/neovascular-deterioration-impaired-nadph-oxidase-and-inflammatory-cytokine-expression-in-adipose-derived-multipotent-cells-from-subjects-with-metabolic-syndrome
#19
Wilfredo Oliva-Olivera, Said Lhamyani, Leticia Coín-Aragüez, Daniel Castellano-Castillo, Juan Alcaide-Torres, Elena María Yubero-Serrano, Rajaa El Bekay, Francisco José Tinahones
OBJECTIVE: Expansion of adipose tissue depends on the growth of its vascular network and it has been shown that adipose tissue dysfunction in obese subjects with the metabolic syndrome is associated with decreased angiogenesis. However, some subjects with a high body mass index do not develop metabolic abnormalities associated with obesity. In this study we examined the neovascular properties, expression levels of proteins involved in cellular redox balance and inflammatory cytokines in adipose-derived multipotent mesenchymal cells (ASCs) of subjects with different metabolic profiles...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28518106/isolation-of-murine-adipose-tissue-derived-microvascular-fragments-as-vascularization-units-for-tissue-engineering
#20
Florian S Frueh, Thomas Später, Claudia Scheuer, Michael D Menger, Matthias W Laschke
A functional microvascular network is of pivotal importance for the survival and integration of engineered tissue constructs. For this purpose, several angiogenic and prevascularization strategies have been established. However, most cell-based approaches include time-consuming in vitro steps for the formation of a microvascular network. Hence, they are not suitable for intraoperative one-step procedures. Adipose tissue-derived microvascular fragments (ad-MVF) represent promising vascularization units. They can be easily isolated from fat tissue and exhibit a functional microvessel morphology...
April 30, 2017: Journal of Visualized Experiments: JoVE
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