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Adipose derived mesenchymal stem cells

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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/28422374/significant-curative-functions-of-the-mesenchymal-stem-cells-on-methotrexate-induced-kidney-and-liver-injuries-in-rats
#4
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
#5
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
#6
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
#7
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
#8
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/28415472/supercritical-carbon-dioxide-extracted-extracellular-matrix-material-from-adipose-tissue
#9
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/28412794/-effects-of-alginate-collagen-scaffold-on-cell-proliferation-and-differentiation-of-human-adipose-derived-mesenchymal-stem-cells
#10
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
#11
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
#12
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/28409921/mesenchymal-stem-cell-seeded-regenerated-silk-fibroin-complex-matrices-for-liver-regeneration-in-an-animal-model-of-acute-liver-failure
#13
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 main limitation of liver transplantation as a treatment for end-stage liver disease or acute liver failure is the scarcity of liver organ donors. To develop an alternative therapy for acute liver failure, mesenchymal stem cell (MSC)-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 a scaffold complex. The RSF-MSC scaffold complex (the experimental group) and neat RSF scaffolds (the control group) were then placed onto the liver surface of mice induced by CCl4 and detected after 5, 7, 14, 28, and 60 days...
April 24, 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
#14
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
https://www.readbyqxmd.com/read/28401575/new-insights-into-the-neural-differentiation-potential-of-canine-adipose-tissue-derived-mesenchymal-stem-cells
#15
D Blecker, M I Elashry, M Heimann, S Wenisch, S Arnhold
Adipose tissue-derived stem cells (ASCs) can be obtained from different adipose tissue sources within the body. It is an abundant cell pool, easily accessible, suitable for cultivation and expansion in vitro and preparation for therapeutic approaches. Amongst these therapeutic approaches are tissue engineering and nervous system disorders such as spinal cord injuries. For such treatment, ASCs have to be reliably differentiated in to the neuronal direction. Therefore, we investigated the neural differentiation potential of ASCs using protocols with neurogenic inductors such as valproic acid and forskolin, while dog brain tissue served as control...
April 11, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28396222/activin-b-regulates-adipose-derived-mesenchymal-stem-cells-to-promote-skin-wound-healing-via-activation-of-the-mapk-signaling-pathway
#16
Lei Zhang, Pengcheng Xu, Xueer Wang, Min Zhang, Yuan Yan, Yinghua Chen, Lu Zhang, Lin Zhang
Adipose-derived stem cells (ADSCs) are multipotent stromal cells that can differentiate into a variety of cell types, including skin cells, and they can provide an abundant source of cells for skin tissue engineering and skin wound healing. The purpose of this study is to explore the therapeutic effects of activin B in combination with ADSCs and the possible signaling mechanism. In this study, we found that activin B was able to promote ADSC migration by inducing actin stress fiber formation in vitro. In vivo, activin B in combination with ADSCs was capable of enhancing α-SMA expression and wound closure...
April 8, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28394043/efficacy-of-stem-cells-on-periodontal-regeneration-systematic-review-of-pre-clinical-studies
#17
REVIEW
S A Tassi, N Z Sergio, M Y O Misawa, C C Villar
This systematic review aims to evaluate mesenchymal stem cells (MSC) periodontal regenerative potential in animal models. MEDLINE, EMBASE and LILACS databases were searched for quantitative pre-clinical controlled animal model studies that evaluated the effect of local administration of MSC on periodontal regeneration. The systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement guidelines. Twenty-two studies met the inclusion criteria. Periodontal defects were surgically created in all studies...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28391291/rejuvenation-of-mucosal-immunosenescence-by-adipose-tissue-derived-mesenchymal-stem-cells
#18
Akitoshi Tsuruhara, Kazuyoshi Aso, Daisuke Tokuhara, Junichiro Ohori, Masaki Kawabata, Yuichi Kurono, Jerry R McGhee, Kohtaro Fujihashi
Age-associated alterations in the mucosal immune system are generally termed mucosal immunosenescence. The major change seen in the aged mucosa is a failure to elicit an antigen-specific secretory IgA (SIgA) antibody response, which is a central player for host defense from various pathogens at mucosal surfaces. In this regard, it would be a first priority to compensate for mucosal dysregulation in the elderly in order to maintain their health in aging. We have successfully established antigen-specific SIgA antibody responses in aged (2 years old) mice, which provide protective immunity from Streptococcus pneumoniae and influenza virus infections, by using a new adjuvant system consisting of a plasmid encoding Flt3 ligand (pFL) and CpG ODN...
January 1, 2017: International Immunology
https://www.readbyqxmd.com/read/28386285/mesenchymal-stem-cells-transplantation-following-partial-hepatectomy-a-new-concept-to-promote-liver-regeneration-systematic-review-of-the-literature-focused-on-experimental-studies-in-rodent-models
#19
REVIEW
Ioannis G Papanikolaou, Charalambos Katselis, Konstantinos Apostolou, Themistoklis Feretis, Maria Lymperi, Manousos M Konstadoulakis, Apostolos E Papalois, George C Zografos
Mesenchymal stem cells (MSCs) are an attractive source for regenerative medicine because they are easily accessible through minimally invasive methods and have the potential to enhance liver regeneration (LG) and improve liver function, following partial hepatectomy (PH) and acute or chronic liver injury. A systematic review of the literature was conducted for articles published up to September 1st, 2016, using the MEDLINE database. The keywords that were used in various combinations were as follows: "Mesenchymal stem cells", "transplantation", "stem cells", "adipose tissue derived stem cells", "bone marrow-derived stem cells", "partial hepatectomy", "acute liver failure", "chronic liver failure", "liver fibrosis", "liver cirrhosis", "rats", "mice", and "liver regeneration"...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28386120/from-skeletal-muscle-to-stem-cells-an-innovative-and-minimally-invasive-process-for-multiple-species
#20
J Ceusters, J-Ph Lejeune, C Sandersen, A Niesten, L Lagneaux, D Serteyn
Bone marrow and adipose tissue represent the two most commonly exploited sources of adult mesenchymal stem cells for musculoskeletal applications. Unfortunately the sampling of bone marrow and fat tissue is invasive and does not always lead to a sufficient number of cells. The present study describes a novel sampling method based on microbiopsy of skeletal muscle in man, pigs, dogs and horses. The process includes explant of the sample, Percoll density gradient for isolation and subsequent culture of the cells...
April 6, 2017: Scientific Reports
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