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Adipose derived mesenchymal stem cells

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https://www.readbyqxmd.com/read/29652595/stem-cells-for-skeletal-muscle-tissue-engineering
#1
Molly N Pantellic, Lisa Marie Larkin
Volumetric muscle loss (VML) is a debilitating condition wherein muscle loss overwhelms the body's normal physiological repair mechanism. VML is particularly common among military service members who have sustained war injuries. Because of the high social and medical cost associated with VML and suboptimal current surgical treatments, there is great interest in developing better VML therapies. Skeletal muscle tissue engineering (SMTE) is a promising alternative to traditional VML surgical treatments that use autogenic tissue grafts, and rather uses isolated stem cells with myogenic potential to generate de novo skeletal muscle tissues to treat VML...
March 14, 2018: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/29652075/impact-of-tgf-%C3%AE-family-related-growth-factors-on-chondrogenic-differentiation-of-adipose-derived-stem-cells-isolated-from-lipoaspirates-and-infrapatellar-fat-pads-of-osteoarthritic-patients
#2
E López-Ruiz, G Jiménez, W Kwiatkowski, E Montañez, F Arrebola, E Carrillo, S Choe, J A Marchal, M Perán
The success of cell-based approaches for the treatment of cartilage defects requires an optimal autologous cell source with chondrogenic differentiation ability that maintains its differentiated properties and stability following implantation. The objective of this study was to compare the chondrogenic capacity of mesenchymal stem cells (MSCs) isolated from lipoaspirates (ASCs) and the infrapatellar fat pad (IFPSCs) of osteoarthritic patients and treated with transforming growth factor (TGF)-β family-related growth factors...
April 13, 2018: European Cells & Materials
https://www.readbyqxmd.com/read/29649414/mir-450b-promotes-osteogenic-differentiation-in-vitro-and-enhances-bone-formation-in-vivo-by-targeting-bmp3
#3
Linyuan Fan, Junfen Fan, Yan Liu, Tangping Li, Haoying Xu, Yanlei Yang, Luchan Deng, Hongling Li, Robert Chunhua Zhao
Osteoporosis is characterized by deterioration of bone microarchitecture and low bone mass. One of the primary causes of osteoporosis is the decrease in the osteogenic differentiation of mesenchymal stem cells. Tissue engineering therapy with genetically modified mesenchymal stem cells has attracted much attention in the study of bone regeneration. In this study, we found that the expression level of miR-450b was upregulated during osteogenic differentiation of human adipose-derived mesenchymal stem cells (hADSCs)...
March 16, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29649413/neural-stem-cells-derived-directly-from-adipose-tissue
#4
Eric David Petersen, Jessica R Zenchak, Olivia V Lossia, Ute Hochgeschwender
Neural stem cells are characterized as self-renewing cell populations with the ability to differentiate into the multiple tissue types of the central nervous system. These cells can differentiate into mature neurons, astrocytes, and oligodendrocytes. This category of stem cells has been shown to be a promisingly effective treatment for neurodegenerative diseases and neuronal injury. Most treatment studies with neural stem cells in animal models use embryonic brain derived neural stem cells. This approach presents both ethical and feasibility issues for translation to human patients...
March 16, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29625582/tsg-6-released-from-intraperitoneally-injected-canine-adipose-tissue-derived-mesenchymal-stem-cells-ameliorate-inflammatory-bowel-disease-by-inducing-m2-macrophage-switch-in-mice
#5
Woo-Jin Song, Qiang Li, Min-Ok Ryu, Jin-Ok Ahn, Dong Ha Bhang, Yun Chan Jung, Hwa-Young Youn
BACKGROUND: Inflammatory bowel disease (IBD) is an intractable autoimmune disorder that markedly deteriorates one's quality of life. Mesenchymal stem cells (MSCs) alleviate inflammation by modulating inflammatory cytokines in inflamed tissues, and have been suggested as a promising alternative for IBD treatment in human and veterinary cases. Furthermore, tumor necrosis factor-α-induced gene/protein 6 (TSG-6) is a key factor influencing MSC immunomodulatory properties; however, the precise mechanism of TSG-6 release from canine MSCs in IBD remains unclear...
April 6, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29622661/isolation-of-a-multipotent-mesenchymal-stem-cell-like-population-from-human-adrenal-cortex
#6
Earn Gan, Wendy Robson, Peter Murphy, Robert Pickard, Simon Pearce, Rachel Oldershaw
BACKGROUND: The highly plastic nature of adrenal cortex suggests the presence of adrenocortical stem cells (ACSC) but the exact in vivo identity of ACSC remains elusive. A few studies have demonstrated the differentiation of adipose or bone marrow-derived mesenchymal stem cells (MSC) into steroid-producing cells. We therefore investigated the isolation of multipotent MSC from human adrenal cortex. METHODS: Human adrenals were obtained as discarded surgical material...
April 5, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29620445/induction-of-human-adipose-derived-mesenchymal-stem-cells-into-germ-lineage-using-retinoic-acid
#7
Haihui Liu, Mingtai Chen, Lulu Liu, Saisai Ren, Panpan Cheng, Hao Zhang
Accumulating evidence indicates that mesenchymal stem cells (MSCs) have been widely used in tissue engineering and regenerative medicine due to their multilineage differentiation potentials. Recent studies show that germ-like cells can also be derived from stem cells, such as human umbilical cord MSCs and human bone marrow MSCs in vitro. However, whether human adipose-derived MSCs (hAD-MSCs) can be induced into germ-like cells has never been reported. In this study, we isolated hAD-MSCs and confirmed that their characteristics were in accordance with that of MSCs established before...
April 2018: Cellular Reprogramming
https://www.readbyqxmd.com/read/29615915/application-of-mesenchymal-stem-cells-for-therapeutic-agent-delivery-in-anti-tumor-treatment
#8
REVIEW
Daria S Chulpanova, Kristina V Kitaeva, Leysan G Tazetdinova, Victoria James, Albert A Rizvanov, Valeriya V Solovyeva
Mesenchymal stem cells (MSCs) are non-hematopoietic progenitor cells, which can be isolated from different types of tissues including bone marrow, adipose tissue, tooth pulp, and placenta/umbilical cord blood. There isolation from adult tissues circumvents the ethical concerns of working with embryonic or fetal stem cells, whilst still providing cells capable of differentiating into various cell lineages, such as adipocytes, osteocytes and chondrocytes. An important feature of MSCs is the low immunogenicity due to the lack of co-stimulatory molecules expression, meaning there is no need for immunosuppression during allogenic transplantation...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29611648/phenotypic-characteristics-of-feline-adipose-derived-stem-cells-affected-by-cell-passage-number
#9
S Panasophonkul, P Samart, K Kongon, A Sathanawongs
In this study we evaluated the influence of passage number on the phenotypic characteristics of feline adipose-derived stem cells (ASCs) in order to develop a broader understanding of their dynamics. Feline ASCs were individually isolated from five domestic cats and subjected to proliferative culture at passage (P) 2, 6 and 10. The cells at each sub-passage were examined in regard to their phenotypic properties associated with multipotent mesenchymal stem cells (MSCs), such as morphology, proliferation kinetics, self-renewal, and expression of MSCs-specific surface markers...
December 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29611434/post-transcriptional-suppression-of-timp-1-in-epithelial-differentiated-adipose-derived-stem-cells-seeded-bladder-acellular-matrix-grafts-reduces-urethral-scar-formation
#10
Yinglong Sa, Lin Wang, Huiquan Shu, Jie Gu
Prevention of fibrosis and urethral scar formation is critical for a successful urethral reconstruction. We have previously shown that epithelial-differentiated adipose-derived stem cells (EASC) seeded bladder acellular matrix grafts (BAMG) can be used for urethral reconstruction. We have also shown that suppression of tissue inhibitor of metalloproteinases-1 (TIMP-1) reduces epithelial-mesenchymal transition in urethral fibroblasts in vitro and in vivo. However, it is unknown whether suppression of TIMP-1 in EASC seeded BAMG may benefit urethral reconstruction through inhibition of fibrosis...
April 3, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29608489/enhanced-osteogenic-differentiation-of-mesenchymal-stem-cells-on-electrospun-pes-pva-prp-nanofibrous-scaffolds
#11
Mahshid Sadat Kashef-Saberi, Nasim Hayati Roodbari, Kazem Parivar, Saeid Vakilian, Hana Hanee-Ahvaz
Over the last few decades, great advancements have been achieved in the field of bone tissue engineering (BTE). Containing a great number of growth factors needed in the process of osteogenesis, platelet rich plasma (PRP) has gained a great deal of attention. However, due to the contradictory results achieved in different studies, its effectiveness remains a mystery. Therefore, in this study, we investigated in vitro performance of co-electrospun PRP/poly ether sulfone/poly(vinyl) alcohol (PRP/PES/PVA) composite scaffolds for the osteogenic differentiation of human adipose-derived mesenchymal stem cells...
March 28, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29608395/an-engineered-cell-sheet-composed-of-human-islets-and-human-fibroblast-bone-marrow-derived-mesenchymal-stem-cells-or-adipose-derived-mesenchymal-stem-cells-an-in-vitro-comparison-study
#12
Hajime Imamura, Tomohiko Adachi, Tatsuya Kin, Shinichiro Ono, Yusuke Sakai, Toshiyuki Adachi, Akihiko Soyama, Masaaki Hidaka, Mitsuhisa Takatsuki, A M James Shapiro, Susumu Eguchi
BACKGROUND: We previously reported the utility of engineered cell sheets composed of human islets and supporting cells in vitro and in vivo. It is unclear which type of supporting cell is most suitable for constructing cell sheets with human islets. The present study aimed to compare human fibroblasts, bone marrow-derived mesenchymal stem cells (BM-MSCs), and adipose-derived mesenchymal stem cells (ADSCs) as a supporting source for cell sheets. METHODS: Engineered cell sheets were fabricated with human islets using human fibroblasts, BM-MSCs, or ADSCs as supporting cells...
April 2, 2018: Islets
https://www.readbyqxmd.com/read/29606893/first-in-man-intravenous-implantation-of-stromal-vascular-fraction-in-psoriasis-a-case-study
#13
Kristin Comella, Michelle Parlo, Rosemary Daly, Kellie Dominessy
Background: Stromal vascular fraction (SVF) is a mixture of adipose-derived stem cells/mesenchymal stem cells, endothelial/progenitors, pericytes, fibroblasts, and other cells obtained from fat tissue. A small sample of fat or adipose tissue can be obtained under local anesthesia using a cannula. After an enzymatic digestion and centrifugation, the adipocytes (fat cells) are removed to obtain an SVF. Here, we describe the rationale and, to our knowledge, the first clinical implementation of SVF intravenously in a patient with severe psoriasis...
2018: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29604275/oleuropein-attenuates-hydrogen-peroxide-induced-autophagic-cell-death-in-human-adipose-derived-stem-cells
#14
Seung Taek Ji, Yeon-Ju Kim, Seok Yun Jung, Da Yeon Kim, Songhwa Kang, Ji Hye Park, Woong Bi Jang, Jongseong Ha, Jisoo Yun, Sang-Mo Kwon
Mesenchymal stem cells (MSCs) are multipotent progenitor cells with self-renewing properties; thus, transplanting functionally enhanced MSCs might be a promising strategy for cell therapy against ischemic diseases. However, extensive oxidative damage in ischemic tissue affects the cell fate of transplanted MSCs, eventually resulting in cell damage and autophagic cell death. Oleuropein (OLP) is a bioactive compound isolated from olives and olive oil that harbors antioxidant properties. This study aimed to investigate the potential cytoprotective effects of OLP against oxidative stress and autophagic cell death in MSCs...
March 28, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29599975/exosomes-as-a-novel-pathway-for-regulating-development-and-diseases-of-the-skin
#15
Ying Liu, Haidong Wang, Juan Wang
Exosomes are one of the most potent intercellular communicators, which are able to communicate with adjacent or distant cells. Exosomes deliver various bioactive molecules, including membrane receptors, proteins, mRNA and microRNA, to target cells and serve roles. Recent studies have demonstrated that exosomes may regulate the functions and diseases of the skin, which is the largest organ of the human body. The abnormal functions of the skin lead to the progression of scleroderma, melanoma, baldness and other diseases...
March 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29587744/safety-and-efficacy-of-the-mesenchymal-stem-cell-in-feline-eosinophilic-keratitis-treatment
#16
Antonio J Villatoro, Silvia Claros, Viviana Fernández, Cristina Alcoholado, Fernando Fariñas, Antonio Moreno, José Becerra, José A Andrades
BACKGROUND: Feline eosinophilic keratitis (FEK) is a chronic keratopathy caused by a suspected immune mediated response to an unknown antigenic stimulus. The purpose of this study was to investigate the safety and therapeutic effects of allogeneic feline adipose-derived mesenchymal stromal cells (fAd-MSCs) implanted subconjunctival around the ocular surface lesion in five cats with FEK refractory to current available treatments. RESULTS: FEK was diagnosed by clinical appearance and evidence of eosinophil and/or mast cells in corneal cytology...
March 27, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29584629/co-culture-with-human-osteoblasts-and-exposure-to-extremely-low-frequency-pulsed-electromagnetic-fields-improve-osteogenic-differentiation-of-human-adipose-derived-mesenchymal-stem-cells
#17
Sabrina Ehnert, Martijn van Griensven, Marina Unger, Hanna Scheffler, Karsten Falldorf, Anne-Kristin Fentz, Claudine Seeliger, Steffen Schröter, Andreas K Nussler, Elizabeth R Balmayor
Human adipose-derived mesenchymal stem cells (Ad-MSCs) have been proposed as suitable option for cell-based therapies to support bone regeneration. In the bone environment, Ad-MSCs will receive stimuli from resident cells that may favor their osteogenic differentiation. There is recent evidence that this process can be further improved by extremely low frequency pulsed electromagnetic fields (ELF-PEMFs). Thus, the project aimed at (i) investigating whether co-culture conditions of human osteoblasts (OBs) and Ad-MSCs have an impact on their proliferation and osteogenic differentiation; (ii) whether this effect can be further improved by repetitive exposure to two specific ELF-PEMFs (16 and 26 Hz); (iii) and the effect of these ELF-PEMFs on human osteoclasts (OCs)...
March 27, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29582436/modifiers-of-mesenchymal-stem-cell-quantity-and-quality
#18
Athena L Russell, Rebecca Lefavor, Nisha Durand, Loren Glover, Abba C Zubair
BACKGROUND: Clinical trials involving mesenchymal stem cell (MSC) therapy have variable outcomes. We hypothesize this is largely attributed to donor-to-donor variability and tissue of origin. STUDY DESIGN AND METHODS: We examined proliferation rates, cytokine secretion profiles, and differentiation capability of seven bone marrow-derived MSCs (BM-MSCs) and 16 adipose tissue-derived MSCs (AD-MSCs) from 23 donors. RESULTS: AD-MSCs had the capacity to undergo more than 40 population doublings, while the BM-MSC proliferation rate was found to be considerably slower...
March 26, 2018: Transfusion
https://www.readbyqxmd.com/read/29582166/restoring-the-il-1%C3%AE-nf-%C3%AE%C2%BAb-induced-impaired-chondrogenesis-by-diallyl-disulfide-in-human-adipose-derived-mesenchymal-stem-cells-via-attenuation-of-reactive-oxygen-species-and-elevation-of-antioxidant-enzymes
#19
Kobra Bahrampour Juybari, Tunku Kamarul, Mohammad Najafi, Davood Jafari, Ali Mohammad Sharifi
Strategies based on mesenchymal stem cell (MSC) therapy for restoring injured articular cartilage are not effective enough in osteoarthritis (OA). Due to the enhanced inflammation and oxidative stress in OA microenvironment, differentiation of MSCs into chondrocytes would be impaired. This study aims to explore the effects of diallyl disulfide (DADS) on IL-1β-mediated inflammation and oxidative stress in human adipose derived mesenchymal stem cells (hADSCs) during chondrogenesis. MTT assay was employed to examine the effects of various concentrations of DADS on the viability of hADSCs at different time scales to obtain non-cytotoxic concentration range of DADS...
March 26, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29581449/adipose-mesenchymal-stem-cells-from-osteoporotic-donors-preserve-functionality-and-modulate-systemic-inflammatory-microenvironment-in-osteoporotic-cytotherapy
#20
Chen-Xi Zheng, Bing-Dong Sui, Nu Liu, Cheng-Hu Hu, Tao He, Xin-Yi Zhang, Pan Zhao, Ji Chen, Kun Xuan, Yan Jin
Maintenance of bone homeostasis against diseased microenvironments remains as a major challenge. Recently, mesenchymal stem cells (MSCs) have been unravelled as potent microenvironmental modulators, the systemic infusion of which in cytotherapy can prevent or rescue extensive bone loss via anti-inflammation. However, MSCs also accept microenvironmental regulations; particularly, MSCs from bone marrow (BMMSCs) are prone to pathological microenvironmental factors of bone. In this study, we discovered that BMMSCs from osteoporotic donors of ovariectomized (OVX) mice lost their anti-inflammatory capability and failed to prevent bone loss when infused back into OVX recipients...
March 26, 2018: Scientific Reports
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