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Adipose 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/28448920/the-effect-of-equiaxial-stretching-on-the-osteogenic-differentiation-and-mechanical-properties-of-human-adipose-stem-cells
#2
Sanni Virjula, Feihu Zhao, Joni Leivo, Sari Vanhatupa, Joose Kreutzer, Ted J Vaughan, Anna-Maija Honkala, Marlitt Viehrig, Conleth A Mullen, Pasi Kallio, Laoise M McNamara, Susanna Miettinen
Although mechanical cues are known to affect stem cell fate and mechanobiology, the significance of such stimuli on the osteogenic differentiation of human adipose stem cells (hASCs) remains unclear. In this study, we investigated the effect of long-term mechanical stimulation on the attachment, osteogenic differentiation and mechanical properties of hASCs. Tailor-made, pneumatic cell stretching devices were used to expose hASCs to cyclic equiaxial stretching in osteogenic medium. Cell attachment and focal adhesions were visualised using immunocytochemical vinculin staining on days 3 and 6, and the proliferation and alkaline phosphatase activity, as a sign of early osteogenic differentiation, were analysed on days 0, 6 and 10...
April 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28448728/does-an-injection-of-adipose-derived-mesenchymal-stem-cells-loaded-in-fibrin-glue-influence-rotator-cuff-repair-outcomes-a-clinical-and-magnetic-resonance-imaging-study
#3
Yong Sang Kim, Chang Hun Sung, Sung Hoon Chung, Sang Joon Kwak, Yong Gon Koh
BACKGROUND: The mesenchymal stem cell (MSC)-based tissue engineering approach has been developed to improve the treatment of rotator cuff tears. Hypothesis/Purpose: The purpose was to determine the effect of an injection of adipose-derived MSCs loaded in fibrin glue during arthroscopic rotator cuff repair on clinical outcomes and to evaluate its effect on structural integrity using magnetic resonance imaging (MRI). The hypothesis was that the application of adipose-derived MSCs would improve outcomes after the surgical repair of a rotator cuff tear...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448588/allogeneic-pasc-transplantation-in-humanized-pigs-attenuates-cardiac-remodeling-post-myocardial-infarction
#4
Rafael Dariolli, Marcus V Naghetini, Euclydes F Marques, Celso K Takimura, Leonardo S Jensen, Bianca Kiers, Jeane M Tsutsui, Wilson Mathias, Pedro A Lemos Neto, Jose E Krieger
Cell therapy repair strategies using adult mesenchymal stromal cells have shown promising evidence to prevent cardiac deterioration in rodents even in the absence of robust differentiation of the cells into cardiomyocytes. We tested whether increasing doses of porcine adipose-tissue derived mesenchymal stem cells (pASCs) increase cardiac tissue perfusion in pigs post-myocardial infarction (MI) receiving angiotensin-converting-enzyme inhibitor (ACE inhibitors) and Beta-blockers similarly to patients. Female pigs were subjected to MI induction by sponge permanent occlusion of left circumflex coronary artery (LCx) generating approximately 10% of injured LV area with minimum hemodynamic impact...
2017: PloS One
https://www.readbyqxmd.com/read/28447575/adipose-derived-mesenchymal-stem-cells-from-the-elderly-exhibit-decreased-migration-and-differentiation-abilities-with-senescent-properties
#5
Meichen Liu, Hua Lei, Ping Dong, Xin Fu, Zhigang Yang, Ying Yang, Jiguang Ma, Xia Liu, Yilin Cao, Ran Xiao
Adipose-derived stem cells (ADSCs) can be applied extensively in the clinic because they can be easily isolated and cause less donor-site morbidity; however, their application can be complicated by patient-specific factors, such as age and harvest site. In this study, we systematically evaluated the effects of age on the quantity and quality of hADSCs isolated from excised chest subcutaneous adipose tissue and investigated the underlying molecular mechanism. hADSCs were isolated from donors of three different age groups (i...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28446249/adipose-derived-mesenchymal-stem-cells-modulate-cd14-cd16-expression-on-monocytes-from-sepsis-patients-in-vitro-via-prostaglandin-e2
#6
Guanguan Qiu, Guoping Zheng, Menghua Ge, Lanfang Huang, Haijiang Tong, Ping Chen, Dengming Lai, Yaoqin Hu, Baoli Cheng, Qiang Shu, Jianguo Xu
BACKGROUND: Mesenchymal stem cells (MSCs) have been shown to reduce sepsis-induced inflammation and improve survival in mouse models of sepsis. CD16(+) monocytes are proinflammatory and abundant in inflammatory conditions such as sepsis. The primary objective in this exploratory study was to determine the effects of adipose-derived MSCs (ASCs) on three subsets of monocytes from sepsis patients in vitro and to delineate the underlying mechanism. METHODS: This is a prospective cohort study of patients admitted to the medical intensive care unit (ICU) at an academic medical center...
April 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28446216/the-effect-of-adipose-tissue-derived-stem-cells-in-a-middle-cerebral-artery-occlusion-stroke-model-depends-on-their-engraftment-rate
#7
Saskia Grudzenski, Sebastian Baier, Anne Ebert, Pim Pullens, Andreas Lemke, Karen Bieback, Rick M Dijkhuizen, Lothar R Schad, Angelika Alonso, Michael G Hennerici, Marc Fatar
BACKGROUND: In the field of experimental stem cell therapy, intra-arterial (IA) delivery yields the best results concerning, for example, migrated cell number at the targeted site. However, IA application also appears to be associated with increased mortality rates and infarction. Since many rodent studies systemically apply 1 × 10(6) cells, this could also be a consequence of engrafted cell number. The aim of this study was therefore to investigate the effect of different doses of adipose tissue-derived stem cells (ASCs) on engraftment rates and stroke outcome measured in vivo using 9...
April 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28446012/differentiation-potential-of-mesenchymal-stem-cells-is-related-to-their-intrinsic-mechanical-properties
#8
Ihn Han, Byung-Su Kwon, Hun-Kuk Park, Kyung Sook Kim
PURPOSE: The differentiation properties of stem cells are not yet fully understood due to their close association with multiple environmental and extrinsic factors. This study investigates the differentiation properties of mesenchymal stem cells (MSCs) and correlates them with their intrinsic mechanical properties. METHODS: A total of 3 different types of MSCs, namely bone marrow-derived MSCs (BMSCs), umbilical cord-derived MSCs (UCSCs), and adipose-derived MSCs (ADSCs) were evaluated...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28445787/adipose-derived-stem-cells-were-impaired-in-restricting-cd4-t-cell-proliferation-and-polarization-in-type-2-diabetic-apoe-mouse
#9
Ming-Hao Liu, Ya Li, Lu Han, Yao-Yuan Zhang, Di Wang, Zhi-Hao Wang, Hui-Min Zhou, Ming Song, Yi-Hui Li, Meng-Xiong Tang, Wei Zhang, Ming Zhong
BACKGROUND: Atherosclerosis (AS) is the most common and serious complication of type 2 diabetes mellitus (T2DM) and is accelerated via chronic systemic inflammation rather than hyperglycemia. Adipose tissue is the major source of systemic inflammation in abnormal metabolic state. Pro-inflammatory CD4(+)T cells play pivotal role in promoting adipose inflammation. Adipose-derived stem cells (ADSCs) for fat regeneration have potent ability of immunosuppression and restricting CD4(+)T cells as well...
April 23, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28445518/use-of-human-fat-grafting-in-the-prevention-of-perineural-adherence-experimental-study-in-athymic-mouse
#10
Mario Cherubino, Igor Pellegatta, Alessandro Crosio, Luigi Valdatta, Stefano Geuna, Rosalba Gornati, Pierluigi Tos
Perineural adherences represent a problem after surgery involving peripheral neural system. Fat-grafting with adipose derived stem cells (ASCs) with their pro-regenerative characteristics can be important to prevent the neural damage or to facilitate the neural regeneration. Our idea was to use the fat-grafting as an anti-adherence device and test its efficacy on a postsurgical scar animal model and comparing to an antiadhesive gel. 32 athymic mice were operated under magnification, we exposed both sciatic nerves...
2017: PloS One
https://www.readbyqxmd.com/read/28445363/indomethacin-enhances-fat-graft-retention-by-up-regulating-adipogenic-genes-and-reducing-inflammation
#11
Weiqing Zhan, Shaun S Tan, Xiaolian Han, Jason A Palmer, Geraldine M Mitchell, Wayne A Morrison
BACKGROUND: Cell-assisted lipotransfer has been promisingly applied to restore soft-tissue defects in plastic surgery; however, the harvesting of stromal vascular fraction increases morbidity and poses potential safety hazards. The authors investigated whether adding indomethacin, an antiinflammatory proadipogenic drug, to the fat graft at the time of transplantation would enhance the final graft volume compared with cell-assisted lipotransfer. METHODS: In vitro, human adipose-derived stem cells were cultured in conditioned growth media supplemented with various doses of indomethacin to investigate adipogenesis and the expression of the adipogenic genes...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445362/effect-of-human-fat-graft-on-breast-cancer-metastasis-in-a-murine-model
#12
Roberto Moltó-García, Virina González-Alonso, María Eloísa Villaverde-Doménech, Edurne Novella-Maestre
BACKGROUND: Isolated adipose stem cells have been reported to encourage migration and early metastasis of breast cancer. Mimicking a surgical situation, the authors developed a human breast cancer model to evaluate in vivo whether human adipose tissue promotes tumor growth and invasion. METHODS: Human adipose tissue was obtained from four patients. The MDA-MB-468 cell line was cultured with a lentiviral vector encoding a puromycin resistance gene and mCherry fluorescent protein...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28442776/mir-301b-mir-130b-ppar%C3%AE-axis-underlies-the-adipogenic-capacity-of-mesenchymal-stem-cells-with-different-tissue-origins
#13
Lulu Liu, Haihui Liu, Mingtai Chen, Saisai Ren, Panpan Cheng, Hao Zhang
Mesenchymal stem cells (MSCs) have been widely used in regenerative medicine and cellular therapy due to their multi-lineage differentiation potential and immunomodulatory function. The applicability of MSCs also depends on their cellular sources and in vivo functions. Here in this study, we systematically compared the morphologic characteristics, immunophenotypes and the adipogenic differentiation of MSCs derived from umbilical cord (UC), adipose tissue (Ad) and bone marrow (BM). We found that the three tissues-derived MSCs displayed decreased adipogenic capacity in the order: Ad-MSC > BM-MSC > UC-MSC, and no morphologic and immunophenotypic differences were observed...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28441755/role-of-rheb-in-regulating-differentiation-fate-of-mesenchymal-stem-cells-for-cartilage-and-bone-regeneration
#14
Sajjad Ashraf, In-Bo Han, Hansoo Park, Soo-Hong Lee
Advances in mesenchymal stem cells (MSCs) and cell replacement therapies are promising approaches to treat cartilage and bone defects since substantial differentiation capacities of MSCs match the demands of tissue regeneration. Our understanding of the dynamic process requiring indispensable differentiation of MSCs remains limited. Herein, we describe the role of RHEB (Ras homolog enriched in brain) regulating gene signature for differentiation of human adipose derived mesenchymal stem cells (ASCs) into chondrogenic, osteogenic, and adipogenic lineages...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28440409/microrna-145-regulates-the-differentiation-of-human-adipose-derived-stem-cells-to-smooth-muscle-cells-via-targeting-kr%C3%A3-ppel-like-factor-4
#15
Kaisaier Aji, Yun Zhang, Abudusaimi Aimaiti, Yujie Wang, Mulati Rexiati, Baihetiya Azhati, Hamulati Tusong, Lei Cui, Chen Wang
Understanding the molecular mechanisms underlying human adipose-derived stem cell (hASC) differentiation to smooth muscle may contribute to the development of effective therapies for relevant muscle defects, such as bladder wall and urethral defects. A previous study described the differentiation of hASCs to smooth muscle cells (SMCs) by transforming growth factor-β1 (TGF-β1) and bone morphogenetic protein‑4 (BMP4) treatment. The present study investigated whether microRNA-145 (miR‑145) may be involved in the process of hASC differentiation...
April 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439998/the-effects-of-chosen-plant-extracts-and-compounds-on-mesenchymal-stem-cells-a-bridge-between-molecular-nutrition-and-regenerative-medicine-concise-review
#16
REVIEW
Katarzyna Kornicka, Ievgeniia Kocherova, Krzysztof Marycz
Mesenchymal stem cells (MSC) stand as a promising tool in regenerative medicine because of their high therapeutic potential in treatment of degenerative, metabolic and other types of diseases. The cellular therapies involving MSCs include their isolation mainly from the bone marrow, adipose tissue or umbilical cord and in vitro expansion for further autologous or allogeneic transplantation. Recent studies revealed, that bioactive compounds, naturally occurring in seaweeds, herbs, fruits and vegetables, possess the ability to modulate self-renewal and differentiation potential of adult stem cells, targeting a broad range of intracellular signal transduction pathways...
April 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28439674/adipose-derived-stem-cell-asc-enriched-fat-grafting-experiments-using-white-rabbits-and-an-automated-cell-processing-apparatus
#17
Natsuko Kakudo, Naoki Morimoto, Takeshi Ogawa, Masakatsu Hihara, Fangyuan Lai, Kenji Kusumoto
The grafting of fat mixed with adipose-derived stem cells (ASCs) is being increasingly applied to compensate for the disadvantages of previous fat grafting methods. Devices that automatically isolate fat stem cells also have recently been developed. ASCs were isolated from the inguinal region of White rabbits using Icellator(®), and the number of cells and their viability were measured. The cell count per fat graft (mL) was adjusted to the following concentrations and subcutaneously transplanted into the back: Control group, Fat + PBS; Fat + ASCs (×0...
April 24, 2017: Medical Molecular Morphology
https://www.readbyqxmd.com/read/28439492/leptin-signaling-and-cancer-chemoresistance-perspectives
#18
EDITORIAL
Pierre V Candelaria, Antonio Rampoldi, Adriana Harbuzariu, Ruben R Gonzalez-Perez
Obesity is a major health problem and currently is endemic around the world. Obesity is a risk factor for several different types of cancer, significantly promoting cancer incidence, progression, poor prognosis and resistance to anti-cancer therapies. The study of this resistance is critical as development of chemoresistance is a serious drawback for the successful and effective drug-based treatments of cancer. There is increasing evidence that augmented adiposity can impact on chemotherapeutic treatment of cancer and the development of resistance to these treatments, particularly through one of its signature mediators, the adipokine leptin...
April 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28438865/effect-of-hydrogen-dioxide-treatment-on-the-osteogenic-potential-of-duck-beak-bone-derived-natural-bioceramic-microparticles
#19
Joong-Hyun Kim, Min-Ho Park, Seok Jin Jang, Soo Jin Son, Jae Yeon Lee, Jun Sik Son, Se Eun Kim, Seong Soo Kang, Seok Hwa Choi
As an alternative material to the autogenous bone, duck-beak bone particle for bone substitute have been attracting great attention due to their biological properties. To deliver the most favorable outcome of medical treatment, it is essential to study the effect of various processing methods of the duck-beak bone. In this study, we compared the two deproteinizing agents for manufacturing duck-beak bone. Group 1 was treated by a conventional chemical agent (ethylenediamine) and Group 2 by hydrogen dioxide (H2O2)...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28438862/anti-inflammatory-effects-of-oct4-sox2-overexpressing-human-adipose-tissue-derived-mesenchymal-stem-cells
#20
Qiang Li, Sei-Myoung Han, Woo-Jin Song, Sang-Chul Park, Min-Ok Ryu, Hwa-Young Youn
BACKGROUND/AIM: The transcription factors Oct4 and Sox2 enhance the proliferation and pluripotency of human adipose tissue-derived mesenchymal stem cells (hAT-MSCs); however, the anti-inflammatory effects of Oct4- and Sox2-overexpressing hAT-MSCs (Oct4/Sox2-hAT-MSCs) are unclear. Here, we evaluated the anti-inflammatory effects of Oct4/Sox2-hAT-MSCs in vitro and in vivo. MATERIALS AND METHODS: Supernatants from green-fluorescent protein (GFP)- and Oct4/Sox2-hAT-MSCs were used to treat lipopolysaccharide (LPS)-stimulated RAW264...
May 2017: In Vivo
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