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Adipose stem cells

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https://www.readbyqxmd.com/read/29652943/correction-human-adipose-derived-stem-cells-regress-fibrosis-in-a-chronic-renal-fibrotic-model-induced-by-adenine
#1
Juan José Rivera-Valdés, Jesus García-Bañuelos, Adriana Salazar-Montes, Leonel García-Benavides, Alfredo Dominguez-Rosales, Juan Armendáriz-Borunda, Ana Sandoval-Rodríguez
[This corrects the article DOI: 10.1371/journal.pone.0187907.].
2018: PloS One
https://www.readbyqxmd.com/read/29652604/an-engineered-human-adipose-collagen-model-for-in-vitro-breast-cancer-cell-migration-studies
#2
Robert David Hume, Lorraine Berry, Stefanie Reichelt, Michael D'Angelo, Jenny Gomm, Ruth Elizabeth Cameron, Christine Watson
Adipocytes are one of the major stromal cell components of the human breast. These cells play a key role in the development of the gland and are implicated in breast tumorigenesis. Frequently, directional stromal collagen I fibres are found surrounding aggressive breast tumours. These fibres enhance breast cancer cell migration and are associated with poor patient prognosis. We sought to recapitulate these stromal components in vitro to provide a 3D model comprising human adipose tissue and anisotropic collagen fibres...
March 8, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29652595/stem-cells-for-skeletal-muscle-tissue-engineering
#3
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
#4
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/29651746/human-neural-stem-progenitor-cells-derived-from-epileptic-human-brain-in-a-self-assembling-peptide-nanoscaffold-improve-traumatic-brain-injury-in-rats
#5
Ali Jahanbazi Jahan-Abad, Sajad Sahab Negah, Hassan Hosseini Ravandi, Sedigheh Ghasemi, Maryam Borhani-Haghighi, Walter Stummer, Ali Gorji, Maryam Khaleghi Ghadiri
Traumatic brain injury (TBI) is a disruption in the brain functions following a head trauma. Cell therapy may provide a promising treatment for TBI. Among different cell types, human neural stem cells cultured in self-assembling peptide scaffolds have been suggested as a potential novel method for cell replacement treatment after TBI. In the present study, we accessed the effects of human neural stem/progenitor cells (hNS/PCs) derived from epileptic human brain and human adipose-derived stromal/stem cells (hADSCs) seeded in PuraMatrix hydrogel (PM) on brain function after TBI in an animal model of brain injury...
April 12, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29651102/exosomes-from-adipose-derived-stem-cells-overexpressing-nrf2-accelerate-cutaneous-wound-healing-by-promoting-vascularization-in-a-diabetic-foot-ulcer-rat-model
#6
Xue Li, Xiaoyun Xie, Weishuai Lian, Rongfeng Shi, Shilong Han, Haijun Zhang, Ligong Lu, Maoquan Li
Diabetic foot ulcers (DFU) increase the risks of infection and amputation in patients with diabetes mellitus (DM). The impaired function and senescence of endothelial progenitor cells (EPCs) and high glucose-induced ROS likely exacerbate DFUs. We assessed EPCs in 60 patients with DM in a hospital or primary care setting. We also evaluated the therapeutic effects of exosomes secreted from adipose-derived stem cells (ADSCs) on stress-mediated senescence of EPCs induced by high glucose. Additionally, the effects of exosomes and Nrf2 overexpression in ADSCs were investigated in vitro and in vivo in a diabetic rat model...
April 13, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29649414/mir-450b-promotes-osteogenic-differentiation-in-vitro-and-enhances-bone-formation-in-vivo-by-targeting-bmp3
#7
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
#8
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/29649059/enhancement-of-progenitor-cells-by-two-step-centrifugation-of-emulsified-lipoaspirates
#9
Norbert Pallua, Justinas Grasys, Bong-Sung Kim
BACKGROUND: Adipose-derived stem cells (ASCs), endothelial progenitor cells (EPCs) and soluble factors jointly contribute to the regenerative effect of fat grafts. The nanofat grafting technique is a simple method to mechanically emulsify the lipoaspirate and increase the ASC yield in the lipoaspirate. In the present study, we evaluated our extended nanofat grafting method that includes two additional centrifugation steps and results in a lipoaspirate of low volume that we termed "lipoconcentrate"...
March 29, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29626983/hematopoietic-changes-in-the-offspring-induced-by-maternal-overweight-effect-on-placenta-and-fetal-liver-populations
#10
Luana Leirós, Juliana Barbosa Torreão Dáu, Daphne Pinheiro, Ana Carolina Stumbo Machado, Alessandra Alves Thole, Erika Afonso Costa Cortez, Laís de Carvalho, Simone Nunes de Carvalho
INTRODUCTION: Bone marrow cells (BMC) from obese adult mice display an increased apoptosis rate over proliferation. Hematopoietic stem cells (HSC) form all blood cells and are important BMC used in cell therapy. Because it is known that prenatal development can be affected by adverse metabolic epigenetic programming from the maternal organism, this work aimed to investigate the effects of maternal overweight on placenta and fetal liver hematopoietic niches. METHODS: Overweight was induced in female mice by overfeeding during lactation...
April 2018: Placenta
https://www.readbyqxmd.com/read/29626795/growth-hormone-facilitates-5-azacytidine-induced-myogenic-but-inhibits-5-azacytidine-induced-adipogenic-commitment-in-c3h10t1-2-mesenchymal-stem-cells
#11
Dan Jia, Weijiang Zheng, Honglin Jiang
The C3H10T1/2 cells are considered mesenchymal stem cells (MSCs) because they can be induced to become the progenitor cells for myocytes, adipocytes, osteoblasts, and chondrocytes by the DNA methyltransferase inhibitor 5'-azacytidine. In this study, we determined the effect of growth hormone (GH) on the myogenic and adipogenic lineage commitment in C3H10T1/2 cells. The C3H10T1/2 cells were treated with recombinant bovine GH in the presence or absence of 5'-azacytidine for 4 days. The myogenic commitment in C3H10T1/2 cells was assessed by immunostaining them for MyoD, the marker for myoblasts, and by determining their capacity to differentiate into the multinucleated myotubes...
March 28, 2018: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29626700/combinatory-approach-for-developing-silk-fibroin-scaffolds-for-cartilage-regeneration
#12
Viviana P Ribeiro, Alain da Silva Morais, F Raquel Maia, Raphael F Canadas, João B Costa, Ana L Oliveira, Joaquim M Oliveira, Rui L Reis
Several processing technologies and engineering strategies have been combined to create scaffolds with superior performance for efficient tissue regeneration. Cartilage tissue is a good example of that, presenting limited self-healing capacity together with a high elasticity and load-bearing properties. In this work, novel porous silk fibroin (SF) scaffolds derived from horseradish peroxidase (HRP)-mediated crosslinking of highly concentrated aqueous SF solution (16 wt.%) in combination with salt-leaching and freeze-drying methodologies were developed for articular cartilage tissue engineering (TE) applications...
April 4, 2018: Acta Biomaterialia
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
#13
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/29625119/the-exosome-of-adipose-derived-stem-cells-reduces-%C3%AE-amyloid-pathology-and-apoptosis-of-neuronal-cells-derived-from-the-transgenic-mouse-model-of-alzheimer-s-disease
#14
Mijung Lee, Jae-Jun Ban, Seungwon Yang, Wooseok Im, Manho Kim
Adipose-derived stem cells (ADSC) have a therapeutic potential for the treatment of neurodegenerative disorders such as Alzheimer's disease (AD). Exosomes are extracellular vesicles secreted from various types of cells, and stem cell-derived exosomes are known to have beneficial effects in many diseases. Many studies have suggested that amyloid beta (Aβ) peptides have a pivotal role in AD progression, by mitochondrial dysfunction of neuronal cells. We examined the therapeutic potential of exosomes derived from ADSCs (ADSC-Exo) in preventing the disease phenotypes induced by the Aβ cascade in an AD in vitro model...
April 3, 2018: Brain Research
https://www.readbyqxmd.com/read/29622661/isolation-of-a-multipotent-mesenchymal-stem-cell-like-population-from-human-adrenal-cortex
#15
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/29621642/adipose-derived-stem-cells-improve-full-thickness-skin-grafts-in-a-rat-model
#16
Silvana Bellini Vidor, Paula Barros Terraciano, Fernanda Soldatelli Valente, Verônica Machado Rolim, Cristiana Palma Kuhl, Laura Silveira Ayres, Tuane Nerissa Alves Garcez, Natália Emerim Lemos, Cristiano Ely Kipper, Sabrina Beal Pizzato, David Driemeier, Elizabeth Obino Cirne-Lima, Emerson Antonio Contesini
To investigate the effects of heterologous adipose-derived stem cells (ADSCs) on autologous full-thickness skin grafts, we designed a first-intention healing model using Wistar rats. We harvested and sutured two full-thickness skin grafts in the dorsal recipient beds of 15 rats, randomized into three groups. In the treatment group, 1 × 106 ADSCs resuspended in saline solution (200 μL) were administered subcutaneously to the skin graft. The control group received only saline solution subcutaneously, whereas the negative control group did not receive any treatment...
March 28, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29621477/stromal-vascular-fraction-promotes-fibroblast-migration-and-cellular-viability-in-a-hyperglycemic-microenvironment-through-up-regulation-of-wound-healing-cytokines
#17
Shaun S Tan, Xin Yi Yeo, Zhen Chang Liang, Sunil K Sethi, Samuel S W Tay
Diabetic wounds have impaired healing and a propensity for further morbidity, which may result in amputations. Stromal vascular fraction (SVF) is an autologous source of heterogeneous cell population obtained from adipose tissue, which is rich in stem cells and presents little immunogenicity to the host. In this study, we hypothesized that murine fibroblasts subjected to hyperglycemic conditions co-treated with SVF exhibit greater functional activity through the colorimetric MTT assay and a cell-monolayer in-vitro scratch assay...
April 2, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29621288/low-power-laser-irradiation-and-human-adipose-derived-stem-cell-treatments-promote-bone-regeneration-in-critical-sized-calvarial-defects-in-rats
#18
Yan-Hsiung Wang, Jyun-Yi Wu, Su Chii Kong, Min-Hsuan Chiang, Mei-Ling Ho, Ming-Long Yeh, Chia-Hsin Chen
Both stem cell therapy and physical treatments have been shown to be beneficial in accelerating bone healing. However, the efficacy of combined treatment with stem cells and physical stimuli for large bone defects remains uncertain. The aim of this study was to evaluate the bone regeneration effects of low-power laser irradiation (LPLI) and human adipose-derived stem cell (ADSC) treatments during fracture repair using a comparative rat calvarial defect model. We evaluated the viability of human ADSCs, which were cultured on a porous PLGA scaffold using an MTS assay...
2018: PloS One
https://www.readbyqxmd.com/read/29620445/induction-of-human-adipose-derived-mesenchymal-stem-cells-into-germ-lineage-using-retinoic-acid
#19
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/29617719/platelet-rich-plasma-adipose-tissue-and-scar-modulation
#20
Lohrasb R Sayadi, Zaidal Obagi, Derek A Banyard, Mary E Ziegler, Jordyne Prussak, Luke Tomlinson, Gregory R D Evans, Alan D Widgerow
In developed countries, over 100 million people per year form scars, of which 30% become hypertrophic. These scars are defined histologically by the presence of persistently contractile myofibroblasts. Recent in vitro research suggests that certain bone morphogenic proteins (BMP) can induce scar myofibroblast dedifferentiation and reprogramming into adipocytes. Since platelets contain BMPs within their granules, it is possible that platelet-rich plasma (PRP) can act as a vehicle to deliver BMP to sites of scarring or potential scarring...
March 30, 2018: Aesthetic Surgery Journal
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