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Adipose derived stem cell

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https://www.readbyqxmd.com/read/28425576/bone-marrow-adipose-and-lung-tissue-derived-murine-mesenchymal-stromal-cells-release-different-mediators-and-differentially-affect-airway-and-lung-parenchyma-in-experimental-asthma
#1
Soraia C Abreu, Mariana A Antunes, Debora G Xisto, Fernanda F Cruz, Vivian C Branco, Elga Bandeira, Jamil Zola Kitoko, Almair F de Araújo, Ludmilla Dellatorre-Texeira, Priscilla C Olsen, Daniel J Weiss, Bruno L Diaz, Marcelo M Morales, Patricia R M Rocco
Mesenchymal stromal cells (MSCs) from different sources have differential effects on lung injury. To compare the effects of murine MSCs from bone marrow (BM), adipose tissue (AD), and lung tissue (LUNG) on inflammatory and remodeling processes in experimental allergic asthma, female C57BL/6 mice were sensitized and challenged with ovalbumin (OVA) or saline (C). Twenty-four hours after the last challenge, mice received either saline (50 µl, SAL), BM-MSCs, AD-MSCs, or LUNG-MSCs (10(5) cells per mouse in 50 µl total volume) intratracheally...
April 20, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28424532/stemness-and-differentiation-potential-recovery-effects-of-sinapic-acid-against-ultraviolet-a-induced-damage-through-the-regulation-of-p38-mapk-and-nf-%C3%AE%C2%BAb
#2
Young Sun Hwang, See-Hyoung Park, Mingyeong Kang, Sae Woong Oh, Kwangseon Jung, Yong Seek Park, Jongsung Lee
Ultraviolet A (UVA) irradiation exerts negative effects on stemness and differentiation potential of stem cells. This study aimed to explore the effect of sinapic acid on UVA-irradiation-induced damages to stemness and differentiation potential of human-adipose-tissue-derived mesenchymal stem cells (hAMSCs) and its UVA-antagonist mechanisms. Sinapic acid attenuated UVA-induced reduction in the proliferative potential and stemness by upregulating OCT4, SOX2, and NANOG. In addition, sinapic acid significantly recovered UVA-induced reduction in expression level of hypoxia-inducible factor (HIF)-1α...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423603/adipose-derived-mesenchymal-stem-cells-promote-osteosarcoma-proliferation-and-metastasis-by-activating-the-stat3-pathway
#3
Yan Wang, Yijing Chu, Bin Yue, Xuexiao Ma, Guoqing Zhang, Hongfei Xiang, Yong Liu, Tianrui Wang, Xiaolin Wu, Bohua Chen
Osteosarcoma is the most common primary bone malignancy in children and young adults, but the role of adipose-derived mesenchymal stem cells (ADSCs) in the rapid progression of osteosarcoma is still unclear. Here, we found that ADSCs promoted tumour growth and invasion by increasing matrix metalloproteinase 2/9 (MMP2/9) expression in tumour cells. The persistent activation of signal transducer and activator of transcription 3 (STAT3) has been shown to directly promote tumour growth by mediating a wide spectrum of cellular responses, and STAT3 activation was detected in osteosarcoma cells co-cultured with ADSCs or treated with ADSC-conditioned medium...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423354/cd54-rabbit-adipose-derived-stem-cells-overexpressing-hif-1%C3%AE-facilitate-vascularized-fat-flap-regeneration
#4
De-Quan Li, Guan-Ming Lu, Yi-Dan Liang, Zhi-Jie Liang, Min-Hong Huang, Qi-Liu Peng, Dong-Hua Zou, Rong-He Gu, Fang-Tian Xu, Hui Gao, Zhen-Dong Chen, Guang-Yi Chi, Zhong-Heng Wei, Li Chen, Hong-Mian Li
Fat flap transplantation is frequently performed in patients suffering from soft tissue defects resulting from disease or trauma. This study explored the feasibility of constructing vascularized fat flaps using rabbit adipose-derived stem cells (rASCs) and collagen scaffolds in a rabbit model. We evaluated rASCs proliferation, paracrine function, adipogenesis, vascularization, and CD54 expression, with or without HIF-1α transfection in vitro and in vivo. We observed that adipogenic differentiation potential was greater in rASCs with high CD54 expression (CD54+rASCs) than in those with low expression (CD54-rASCs), both in vitro and in vivo...
April 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422374/significant-curative-functions-of-the-mesenchymal-stem-cells-on-methotrexate-induced-kidney-and-liver-injuries-in-rats
#5
Amany M Gad, Wedad A Hassan, Ebtehal Mohammad Fikry
Mesenchymal stem cells (MSCs) curative effects on methotrexate (MTX)-induced kidney and liver injuries remain elusive. Therefore, rats were divided into five groups, rats received MTX orally (14 mg/kg) as a single dose/week for 2 weeks, groups 3 and 4 were injected once with 2 × 10(6) cells bone marrow MSCs and adipose-derived MSCs, respectively. The last group administered dexamethasone (DEX) (0.5 mg/kg, p.o) for 7 days. MTX caused marked increase in malondialdehyde and nitrite/nitrate concentrations...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28419760/bone-marrow-derived-stem-stromal-cells-and-adipose-tissue-derived-stem-stromal-cells-their-comparative-efficacies-and-synergistic-effects
#6
REVIEW
Gun-Il Im
Mesenchymal stem cells (MSCs) are heterogeneous cell populations that serve as reserves for tissue regeneration in the presence of disease or injury. Although MSCs are found in various tissues, bone marrow-derived stem/stromal cells (BMSCs) and adipose tissue-derived stem/stromal cells (ADSCs) have been most thoroughly investigated. Furthermore, ADSCs have recently emerged as an attractive source of MSCs due to their abundance and availability. BMSCs and ADSCs demonstrate similar morphological characteristics, but their in vitro characteristics and differentiation abilities appear to differ...
April 17, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28419435/osteogenic-differentiation-potential-of-mesenchymal-stem-cells-cultured-on-nanofibrous-scaffold-improved-in-the-presence-of-pulsed-electromagnetic-field
#7
Monireh Arjmand, Abdolreza Ardeshirylajimi, Hossein Maghsoudi, Esmaeel Azadian
Nowadays, tissue engineering by using stem cells in combination with scaffolds and bioactive molecules has made significant contributions to the regeneration of damaged bone tissues. Since the usage of bioactive molecules including, growth factors to induce differentiation is safety limited in clinical applications, and it has also been previously observed that extremely low frequency pulsed electromagnetic fields (PEMF) can be effective in the enhancement of proliferation rate and osteogenic differentiation of stem cells, the aim of this study was investigating the osteoinductive potential of PEMF in combination with Poly(caprolactone) (PCL) nanofibrous scaffold...
April 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28419155/culture-expanded-allogenic-adipose-tissue-derived-stem-cells-attenuate-cartilage-degeneration-in-an-experimental-rat-osteoarthritis-model
#8
Li Mei, Bojiang Shen, Peixue Ling, Shaoying Liu, Jiajun Xue, Fuyan Liu, Huarong Shao, Jianying Chen, Aibin Ma, Xia Liu
Mesenchymal stem cell (MSC)-based cell therapy is a promising avenue for osteoarthritis (OA) treatment. In the present study, we evaluated the efficacy of intra-articular injections of culture-expanded allogenic adipose tissue-derived stem cells (ADSCs) for the treatment of anterior cruciate ligament transection (ACLT) induced rat OA model. The paracrine effects of major histocompatibility complex (MHC)-unmatched ADSCs on chondrocytes were investigated in vitro. Rats were divided into an OA group that underwent ACLT surgery and a sham-operated group that did not undergo ACLT surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28417917/minicircle-mediated-gene-delivery-to-canine-and-equine-mesenchymal-stem-cells
#9
Naomie Tidd, Jacob Michelsen, Bryan Hilbert, Jane C Quinn
Gene-directed tissue repair offers the clinician, human or veterinary, the chance to enhance cartilage regeneration and repair at a molecular level. Non-viral plasmid vectors have key biosafety advantages over viral vector systems for regenerative therapies due to their episomal integration however, conventional non-viral vectors can suffer from low transfection efficiency. Our objective was to identify and validate in vitro a novel non-viral gene expression vector that could be utilized for ex vivo and in vivo delivery to stromal-derived mesenchymal stem cells (MSCs)...
April 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28417342/adipose-tissue-derived-stem-cell-therapy-for-erectile-dysfunction-in-rats-a-systematic-review-and-meta-analysis
#10
REVIEW
Quan-Liang Hou, Meng-Ying Ge, Cheng-da Zhang, Dan-Dan Tian, Lian-Ke Wang, Hui-Zi Tian, Wen-Hua Wang, Wei-Dong Zhang
OBJECTIVE: We aimed to systematically assess the effect of adipose tissue-derived stem cell (ADSC) therapy and its influential factors on the treatment of erectile dysfunction (ED) in rats. METHODS: Two authors independently searched for published studies through PubMed and EMBASE from study inception until August 31, 2016. A meta-analysis was used to combine the effect estimate from the published studies. A subgroup analysis was performed to identify the effect of some influential factors...
April 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28415472/supercritical-carbon-dioxide-extracted-extracellular-matrix-material-from-adipose-tissue
#11
Jun Kit Wang, Baiwen Luo, Vipra Guneta, Liang Li, Selin Ee Min Foo, Yun Dai, Timothy Thatt Yang Tan, Nguan Soon Tan, Cleo Choong, Marcus Thien Chong Wong
Adipose tissue is a rich source of extracellular matrix (ECM) material that can be isolated by delipidating and decellularizing the tissue. However, the current delipidation and decellularization methods either involve tedious and lengthy processes or require toxic chemicals, which may result in the elimination of vital proteins and growth factors found in the ECM. Hence, an alternative delipidation and decellularization method for adipose tissue was developed using supercritical carbon dioxide (SC-CO2) that eliminates the need of any harsh chemicals and also reduces the amount of processing time required...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415430/x-ray-visible-and-doxorubicin-loaded-beads-based-on-inherently-radiopaque-poly-lactic-acid-polyurethane-for-chemoembolization-therapy
#12
Lin Sang, Dongdong Luo, Zhiyong Wei, Min Qi
The aim of current study was to develop drug-loaded polymeric beads with intrinsic X-ray visibility as embolic agents, targeting for noninvasive intraoperative location and postoperative examination during chemoembolization therapy. To endow polymer with inherent radiopacity, 4,4'-isopropylidinedi-(2,6-diiodophenol) (IBPA) was firstly synthesized and employed as a contrast agent, and then a set of radiopaque iodinated poly(lactic acid)-polyurethanes (I-PLAUs) via chain extender method were synthesized and characterized...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415420/in-vitro-cell-adhesion-and-proliferation-of-adipose-derived-stem-cell-on-hydroxyapatite-composite-surfaces
#13
Praneetha Pulyala, Akshay Singh, Marcela Ferreira Dias-Netipanyj, Sheron Compos Cogo, Luciane S Santos, Paulo Soares, Vasanth Gopal, V Suganthan, Geetha Manivasagam, Ketul C Popat
The goal of this work was to enhance the mechanical strength and fracture toughness of brittle hydroxyapatite (HAP) by reinforcing it with nanocomposites such as graphene oxide (GO), carbon nanotubes (CNT) and Titania. The goal was also to evaluate the cytotoxicity and the cellular adhesion/proliferation of these composites. The composites were characterized for their crystallinity, functionality, morphology and mechanical properties. Altering the composition by adding 1wt% GO and CNT significantly altered the wettability, hardness and roughness...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415397/surface-modified-bioresorbable-electrospun-scaffolds-for-improving-hemocompatibility-of-vascular-grafts
#14
Pablo C Caracciolo, María Isabel Rial-Hermida, Florencia Montini-Ballarin, Gustavo A Abraham, Angel Concheiro, Carmen Alvarez-Lorenzo
The replacement of small-diameter vessels is one of the main challenges in tissue engineering. Moreover, the surface modification of small-diameter vascular grafts (SDVG) is a key factor in the success of the therapy due to their increased thrombogenicity and infection susceptibility caused by the lack of a functional endothelium. In this work, electrospun scaffolds were prepared from blends of poly(L-lactic acid) (PLLA) and segmented polyurethane (PHD) with a composition designed to perform as SDVG inner layer...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28412794/-effects-of-alginate-collagen-scaffold-on-cell-proliferation-and-differentiation-of-human-adipose-derived-mesenchymal-stem-cells
#15
W Cheng, X P Han, S L Mou, F Yang, L P Liu
Objective: To build scaffold materials with different concentrations of alginate and collagen, and to observe the effects of alginate/collagen ratio on the proliferation of human adipose-derived mesenchymal stem cells (hAMSC) and osteogenic differentiation. The optimal concentration of alginate/collagen will be chosen for constructing hydrogel that will be used for bone tissue engineering. Methods: Soluble hydrogel scaffold materials containing alginate/collagen were prepared, and the following groups were established based on different alginate/collagen ratio: 4∶1 (group A), 2∶1 (group B), and 1∶1 (group C)...
April 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28411943/immunomodulatory-properties-of-human-placental-mesenchymal-stem-stromal-cells
#16
M H Abumaree, F M Abomaray, M A Alshabibi, A S AlAskar, B Kalionis
Mesenchymal stem/stromal cells (MSCs) are isolated from various fetal and adult tissues such as bone marrow, adipose tissue, cord blood and placenta. Placental MSCs (pMSCs), the main focus of this review, are relatively new MSC types that are not as intensively studied compared with bone marrow-derived MSCs (BMMSCs). MSCs modulate the immune functions of important immune cells involved in alloantigen recognition and elimination, including antigen presenting cells (APCs), T cells, B cells and natural killer (NK) cells...
April 7, 2017: Placenta
https://www.readbyqxmd.com/read/28411882/in-vitro-generation-of-interleukin-10-secreting-b-regulatory-cells-from-donor-adipose-tissue-derived-mesenchymal-stem-cells-and-recipient-peripheral-blood-mononuclear-cells-for-potential-cell-therapy
#17
Kunal S Gupte, Aruna V Vanikar, Hargovind L Trivedi, Chetan N Patel, Jignesh V Patel
BACKGROUND: Interleukin-10 secreting B-cells are a major subset of B-regulatory cells (B-regs), commonly recognized as CD19(+)/38(hi)/24(hi)/IL10(+). They carry out immunomodulation by release of specific cytokines and/or cell-to-cell contact. We have generated B-regs in-vitro from donor adipose tissue derived mesenchymal stem cells (AD-MSC) and renal allograft recipient (RAR) peripheral blood mononuclear cells (PBMC) for potential cell therapy. MATERIAL AND METHODS: Mononuclear cells separated by density gradient centrifugation from 50 ml anti-coagulated blood of 15-RAR and respective donors were analysed for baseline B-regs using appropriate antibodies...
February 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28410000/properties-of-porcine-adipose-derived-stem-cells-and-their-applications-in-preclinical-models
#18
Julien H Arrizabalaga, Matthias U Nollert
Adipose-derived stem cells represent a reliable adult stem cell source thanks to their abundance, straightforward isolation, and broad differentiation abilities. Consequently, human adipose-derived stem cells (hASCs) have been used in vitro for several innovative cellular therapy and regenerative medicine applications. However, the translation of a novel technology from the laboratory to the clinic requires first to evaluate its safety, feasibility, and potential efficacy through preclinical studies in animals...
March 30, 2017: Adipocyte
https://www.readbyqxmd.com/read/28409921/mesenchymal-stem-cells-seeded-regenerated-silk-fibroin-complex-matrices-for-liver-regeneration-in-an-animal-model-of-acute-liver-failure
#19
Lijuan Xu, Shufang Wang, Xiang Sui, Yu Wang, Yinan Su, Li Huang, Yunwei Zhang, Zheng Chen, Qianqian Chen, Haitao Du, Yaopeng Zhang, Li Yan
The shortage of organ donation is the main limitation to liver transplantation as a treatment for the end-stage liver disease or acute liver failure. In order to develop an alternative therapy for acute liver failure, mesenchymal stem cells (MSCs) seeded regenerated silk fibroin (RSF) matrices were evaluated in vitro and in vivo. Adipose-derived mesenchymal stem cells (ADSCs) and bone marrow-derived mesenchymal stem cells (BMSCs) were planted and grown on RSF scaffolds to form scaffolds complex, respectively...
April 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28408751/mmp9-integrates-multiple-immunoregulatory-pathways-that-discriminate-high-suppressive-activity-of-human-mesenchymal-stem-cells
#20
Carolina Lavini-Ramos, Hernandez Moura Silva, Alessandra Soares-Schanoski, Sandra Maria Monteiro, Ludmila Rodrigues Pinto Ferreira, Ana Paula Pacanaro, Samirah Gomes, Janaína Batista, Kellen Faé, Jorge Kalil, Verônica Coelho
The mechanisms underlying mesenchymal stem cells' (MSC) suppressive potency are largely unknown. We here show that highly suppressive human adipose tissue-derived MSC (AdMSC) display and induce a differential immunologic profile, upon ongoing AdMSC suppressive activity, promoting: (i) early correlated inhibition of IFN-γ and TNF-α production, along IL-10 increase, (ii) CD73(+)Foxp3(+)Treg subset expansion, and (iii) specific correlations between gene expression increases, such as: MMP9 correlated with CCL22, TNF, FASL, RUNX3, and SEMAD4 in AdMSC and, in T cells, MMP9 upregulation correlated with CCR4, IL4 and TBX21, among others, whereas MMP2 correlated with BCL2 and LRRC31...
April 13, 2017: Scientific Reports
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