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Adipose derived regenerative cells

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https://www.readbyqxmd.com/read/28230922/adipose-derived-aldehyde-dehydrogenase-expressing-cells-promote-dermal-regenerative-potential-with-collagen-glycosaminoglycan-scaffold
#1
Hajime Matsumine, Kazuyuki Numakura, Satoshi Tsunoda, Huan Wang, Rui Matsumine, Mihail Climov, Giorgio Giatsidis, Vikas P Sukhatme, Dennis P Orgill
Aldehyde dehydrogenase (ALDH) is an enzyme that plays an important role in retinoid metabolism and highly expressed in stem cells. This study isolated ALDH-expressing cells from subcutaneous adipose tissue and investigated their potential to enhance healing in a full-thickness skin wound in rats by co-implanting them with collagen-glycosaminoglycan (c-GAG) scaffolds. ALDH-positive cells were isolated by a fluorescence-activated cell sorting technique from Lewis rat's stromal-vascular-fraction (SVF) and transplanted with c-GAG scaffolds in a rat full-thickness skin wound model...
November 7, 2016: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28229407/assessment-of-energy-metabolic-changes-in-adipose-tissue-derived-stem-cells
#2
Ghazaleh Hajmousa, Martin C Harmsen
Adipose tissue-derived stem cells (ADSC) are promising candidates for therapeutic applications in cardiovascular regenerative medicine. By definition, the phenotype ADSCs, e.g., the ubiquitous secretion of growth factors, cytokines, and extracellular matrix components is not met in vivo, which renders ADSC a culture "artefact." The medium constituents therefore impact the efficacy of ADSC. Little attention has been paid to the energy source in medium, i.e., glucose, which feeds the cell's power plants: mitochondria...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229405/compact-bone-derived-multipotent-mesenchymal-stromal-cells-mscs-for-the-treatment-of-sjogren-s-like-disease-in-nod-mice
#3
Ghada Abu Elghanam, Younan Liu, Saeed Khalili, Dongdong Fang, Simon D Tran
Compact bone (cortical or dense bone) is among the organs that contain multipotent mesenchymal stromal cells (MSCs). Unlike bone marrow plugs where MSCs were initially isolated, compact bone has minimal (amount of) hematopoietic cells and thus facilitates the MSCs isolation process. In vitro, MSCs from compact bone show multipotency and differentiation into mesenchymal tissues such as bone, adipose, and cartilage, under certain conditions. MSCs therapy has been promising in preclinical and clinical studies against autoimmune diseases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28224204/effect-of-hypoxia-on-human-adipose-derived-mesenchymal-stem-cells-and-its-potential-clinical-applications
#4
REVIEW
Jane Ru Choi, Kar Wey Yong, Wan Kamarul Zaman Wan Safwani
Human adipose-derived mesenchymal stem cells (hASCs) are an ideal cell source for regenerative medicine due to their capabilities of multipotency and the readily accessibility of adipose tissue. They have been found residing in a relatively low oxygen tension microenvironment in the body, but the physiological condition has been overlooked in most studies. In light of the escalating need for culturing hASCs under their physiological condition, this review summarizes the most recent advances in the hypoxia effect on hASCs...
February 21, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28211933/enhanced-bone-tissue-regeneration-using-a-3d-printed-microstructure-incorporated-with-a-hybrid-nano-hydrogel
#5
Dong Nyoung Heo, Nathan J Castro, Se-Jun Lee, Hanaul Noh, Wei Zhu, Lijie Grace Zhang
Three-dimensional (3D) functional constructs with biomimetic mechanical and chemical properties are ideal for various regenerative medicine applications. These properties of 3D fabricated constructs mainly depend on the intrinsic characteristics of the materials and fabrication method. In this respect, the current use of hydrogels for musculoskeletal tissue repair is not ideal due to the lack of suitable mechanical properties, as well as the high biomimetic requirement for success. To overcome this limitation, we developed a novel functionalized hydrogel with bioactive gold nanoparticles (GNPs), reinforcing a 3D printed microstructure via fused deposition modeling (FDM) for bone tissue regeneration...
February 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28211118/transcriptional-and-cell-cycle-alterations-mark-aging-of-primary-human-adipose-derived-stem-cells
#6
Xiaoyin Shan, Cleresa Roberts, Eun Ji Kim, Ariana Brenner, Gregory Grant, Ivona Percec
Adult stem cells play a critical role in the maintenance of tissue homeostasis and prevention of aging. While the regenerative potential of stem cells with low cellular turnover, such as adipose-derived stem cells (ASC), is increasingly recognized, the study of chronological aging in ASCs is technically difficult, and remains poorly understood. Here, we employ our model of chronological aging in primary human ASCs to examine genome-wide transcriptional networks. We demonstrate first that the transcriptome of aging ASCs is distinctly more stable than that of age-matched fibroblasts, and further, that age-dependent modifications in cell cycle progression and translation initiation specifically characterize aging ASCs in conjunction with increased nascent protein synthesis and a distinctly shortened G1 phase...
February 17, 2017: Stem Cells
https://www.readbyqxmd.com/read/28210976/regenerative-medicine-for-parkinson-s-disease-using-differentiated-nerve-cells-derived-from-human-buccal-fat-pad-stem-cells
#7
Haruka Takahashi, Hiroshi Ishikawa, Akira Tanaka
The purpose of this study was to evaluate the utility of human adipose stem cells derived from the buccal fat pad (hBFP-ASCs) for nerve regeneration. Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons. PD is a candidate disease for cell replacement therapy because it has no fundamental therapeutic methods. We examined the properties of neural-related cells induced from hBFP-ASCs as a cell source for PD treatment. hBFP-ASCs were cultured in neurogenic differentiation medium for about 2 weeks...
February 16, 2017: Human Cell
https://www.readbyqxmd.com/read/28210226/combination-of-collagen-based-scaffold-and-bioactive-factors-induces-adipose-derived-mesenchymal-stem-cells-chondrogenic-differentiation-in-vitro
#8
Giovanna Calabrese, Stefano Forte, Rosario Gulino, Francesco Cefalì, Elisa Figallo, Lucia Salvatorelli, Eugenia T Maniscalchi, Giuseppe Angelico, Rosalba Parenti, Massimo Gulisano, Lorenzo Memeo, Raffaella Giuffrida
Recently, multipotent mesenchymal stem cells (MSCs) have attracted much attention in the field of regenerative medicine due to their ability to give rise to different cell types, including chondrocytes. Damaged articular cartilage repair is one of the most challenging issues for regenerative medicine, due to the intrinsic limited capability of cartilage to heal because of its avascular nature. While surgical approaches like chondral autografts and allografts provide symptoms and function improvement only for a short period, MSC based stimulation therapies, like microfracture surgery or autologous matrix-induced chondrogenesis demonstrate to be more effective...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28196035/perivascular-stem-cells-diminish-muscle-atrophy-following-massive-rotator-cuff-tears-in-a-small-animal-model
#9
Claire D Eliasberg, Ayelet Dar, Andrew R Jensen, Iain R Murray, Winters R Hardy, Tomasz J Kowalski, Cameron A Garagozlo, Kyle M Natsuhara, Adam Z Khan, Owen J McBride, Peter I Cha, Benjamin V Kelley, Denis Evseenko, Brian T Feeley, David R McAllister, Bruno Péault, Frank A Petrigliano
BACKGROUND: Rotator cuff tears are a common cause of shoulder pain and often necessitate operative repair. Muscle atrophy, fibrosis, and fatty infiltration can develop after rotator cuff tears, which may compromise surgical outcomes. This study investigated the regenerative potential of 2 human adipose-derived progenitor cell lineages in a murine model of massive rotator cuff tears. METHODS: Ninety immunodeficient mice were used (15 groups of 6 mice). Mice were assigned to 1 of 3 surgical procedures: sham, supraspinatus and infraspinatus tendon transection (TT), or TT and denervation via suprascapular nerve transection (TT + DN)...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28191762/periodontal-tissue-regeneration-using-syngeneic-adipose-derived-stromal-cells-in-a-mouse-model
#10
Mathieu Lemaitre, Paul Monsarrat, Vincent Blasco-Baque, Pascale Loubières, Rémy Burcelin, Louis Casteilla, Valérie Planat-Bénard, Philippe Kémoun
Current treatment of periodontitis is still associated with a high degree of variability in clinical outcomes. Recent advances in regenerative medicine by mesenchymal cells, including adipose stromal cells (ASC) have paved the way to improved periodontal regeneration (PD) but little is known about the biological processes involved. Here, we aimed to use syngeneic ASCs for periodontal regeneration in a new, relevant, bacteria-induced periodontitis model in mice. Periodontal defects were induced in female C57BL6/J mice by oral gavage with periodontal pathogens...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28186685/concise-review-fat-and-furious-harnessing-the-full-potential-of-adipose-derived-stromal-vascular-fraction
#11
Jordan A Dykstra, Tiffany Facile, Ryan J Patrick, Kevin R Francis, Samuel Milanovich, Jill M Weimer, Daniel J Kota
Due to their capacity to self-renew, proliferate and generate multi-lineage cells, adult-derived stem cells offer great potential for use in regenerative therapies to stop and/or reverse degenerative diseases such as diabetes, heart failure, Alzheimer's disease and others. However, these subsets of cells can be isolated from different niches, each with differing potential for therapeutic applications. The stromal vascular fraction (SVF), a stem cell enriched and adipose-derived cell population, has garnered interest as a therapeutic in regenerative medicine due to its ability to secrete paracrine factors that accelerate endogenous repair, ease of accessibility and lack of identified major adverse effects...
January 6, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28178053/posterior-fourchette-fissure-resolution-after-injection-of-autologous-adipose-derived-regenerative-cells
#12
Katarina Andjelkov, Zoran Maricic
BACKGROUND: Posterior fourchette fissures can recur and become chronic despite multiple medical and surgical treatments. We report the case of a recurrent posterior fourchette fissure that resolved after subdermal injection with adipose-derived regenerative cells. CASE: A 44-year-old primiparous patient experienced severe dyspareunia for 10 years as a result of a recurrent posterior fourchette fissure that began after a vaginal delivery with episiotomy. She was treated unsuccessfully with topical antibiotics, estrogen, and steroids and ultimately with a perineoplasty at the age of 42 years...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28174673/enhanced-adipogenic-differentiation-of-human-adipose-derived-stem-cells-in-an-in-vitro-microenvironment-the-preparation-of-adipose-like-microtissues-using-a-three-dimensional-culture
#13
Yoshitaka Miyamoto, Masashi Ikeuchi, Hirofumi Noguchi, Tohru Yagi, Shuji Hayashi
The application of stem cells for cell therapy has been extensively studied in recent years. Among the various types of stem cells, human adipose tissue-derived stem cells (ASCs) can be obtained in large quantities with relatively few passages, and they possess a stable quality. ASCs can differentiate into a number of cell types, such as adipose cells and ectodermal cells. We therefore focused on the in vitro microenvironment required for such differentiation and attempted to induce the differentiation of human stem cells into microtissues using a microelectromechanical system...
January 8, 2017: Cell Medicine
https://www.readbyqxmd.com/read/28174671/evaluation-of-serum-free-xeno-free-cryopreservation-solutions-for-human-adipose-derived-mesenchymal-stem-cells
#14
Chika Miyagi-Shiohira, Naoya Kobayashi, Issei Saitoh, Masami Watanabe, Yasufumi Noguchi, Masayuki Matsushita, Hirofumi Noguchi
Adipose-derived mesenchymal stem cells (ASCs) have the potential to differentiate into cells of mesodermal origin, such as osteoblasts, adipocytes, myocytes, and chondrocytes, and cryopreservation is currently performed as a routine method for preserving ASCs to safely acquire large numbers of cells. For clinical application of ASCs, serum-free, xeno-free cryopreservation solutions should be used. This study determined the viability and adipo-osteogenic potential of cryopreserved ASCs using four cryopreservation solutions: 10% DMSO, Cell Banker 2 (serum free), Stem Cell Banker (=Cell Banker 3: serum free, xeno free), and TC protector (serum free, xeno free)...
January 8, 2017: Cell Medicine
https://www.readbyqxmd.com/read/28173869/characteristics-of-human-adipose-derived-stem-cells-in-scleroderma-in-comparison-to-sex-and-age-matched-normal-controls-implications-for-regenerative-medicine
#15
Michelle Griffin, Caroline M Ryan, Omar Pathan, David Abraham, Christopher P Denton, Peter E M Butler
BACKGROUND: Adipose-derived stem cells (ADSCs) are emerging as an alternative stem cell source for cell-based therapies. Recent data suggest that autologous ADSC-enriched micrografting improves the effects of facial involvement in systemic sclerosis (SSc). We have extensively characterised ADSCs from SSc patients and compared their phenotype and function to healthy age- and sex-matched control ADSCs. METHODS: ADSCs were isolated and characterised from a cohort of six SSc patients (ADSC-SSc) and were compared to six healthy age- and sex-matched controls (ADSC-N)...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28156060/the-power-of-fat-and-its-adipose-derived-stromal-cells-emerging-concepts-for-fibrotic-scar-treatment
#16
REVIEW
Maroesjka Spiekman, Joris A van Dongen, Joep C Willemsen, Delia L Hoppe, Berend van der Lei, Martin C Harmsen
Lipofilling or lipografting is a novel and promising treatment method for reduction or prevention of dermal scars after injury. Ample anecdotal evidence from case reports supports the scar-reducing properties of adipose tissue grafts. However, only a few properly controlled and designed clinical trials have been conducted thus far on this topic. Also, the underlying mechanism by which lipofilling improves scar aspect and reduces neuropathic scar pain remains largely undiscovered. Adipose-derived stromal or stem cells (ADSC) are often described to be responsible for this therapeutic effect of lipofilling...
February 3, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28139194/phenotypical-and-functional-characteristics-of-in-vitro-expanded-adipose-derived-mesenchymal-stromal-cells-from-patients-with-systemic-sclerosis
#17
C Capelli, E Zaccara, P Cipriani, P Di Benedetto, W Maglione, R Andracco, G Di Luca, F Pignataro, R Giacomelli, M Introna, C Vitali, N Del Papa
<p>Mesenchymal stromal cells (MSCs) have received attention as an ideal source of regenerative cells because of their multi-potential abilities. Adipose tissue (AT) is an attractive source of MSCs. Recent studies have shown that autologous fat grafting may be effective in the treatment of systemic sclerosis (SSc), but no specific study exists aimed at investigating whether AT-MSCs from SSc patients maintain normal phenotypic and functional characteristics.</p><p>To investigate whether AT-MSCs from patients with SSc (SSc-AT-MSCs) are phenotypically and functionally identical to those from healthy controls (HC-AT-MSCs)...
January 31, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28128403/effect-of-pregnancy-on-the-proliferation-of-rat-adipose-derived-stem-cells
#18
J N Li, Y Zhang, Y F Wang, J Y Chen
Stem cell therapy faces many problems including poor survival rates and low viability. Enhancing the biological functions of stem cells improves efficacy of therapies. Estrogen, whose levels are elevated during pregnancy, affects the properties of bone marrow mesenchymal stem cells. Evidence suggests that adipose-derived stem cells (ADSCs), which are a type of adult mesenchymal stem cells, can be used in regenerative medicine. In fact, ADSCs from pregnant animals have been used in clinical therapies. However, the effect of the donor's reproductive status on proliferation of ADSCs is unknown...
January 23, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28117680/mesenchymal-stem-cells-from-adipose-tissue-in-clinical-applications-for-dermatological-indications-and-skin-aging
#19
REVIEW
Meenakshi Gaur, Marek Dobke, Victoria V Lunyak
Operating at multiple levels of control, mesenchymal stem cells from adipose tissue (ADSCs) communicate with organ systems to adjust immune response, provide signals for differentiation, migration, enzymatic reactions, and to equilibrate the regenerative demands of balanced tissue homeostasis. The identification of the mechanisms by which ADSCs accomplish these functions for dermatological rejuvenation and wound healing has great potential to identify novel targets for the treatment of disorders and combat aging...
January 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28111317/transplantation-of-adipose-derived-stem-cells-combined-with-neuregulin-microparticles-promotes-efficient-cardiac-repair-in-a-rat-myocardial-infarction-model
#20
Paula Díaz-Herráez, Laura Saludas, Simón Pascual-Gil, Teresa Simón-Yarza, Gloria Abizanda, Felipe Prósper, Elisa Garbayo, María José Blanco-Prieto
Tissue engineering is a promising strategy to promote heart regeneration after a myocardial infarction (MI). In this study, we investigated the reparative potential of a system that combines adipose-derived stem cells (ADSCs) with microparticles (MPs) loaded with neuregulin (NRG), named ADSC-NRG-MPs, on a rat MI model. First, cells were attached to the surface of MPs encapsulating NRG and coated with a 1:1 mixture of collagen and poly-d-lysine. One week after in vivo administration, the system favored the shift of macrophage expression from a pro-inflammatory to a regenerative phenotype...
January 19, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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