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Adipose derived regenerative cells

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https://www.readbyqxmd.com/read/28078245/the-effects-of-cinnamaldehyde-and-eugenol-on-human-adipose-derived-mesenchymal-stem-cells-viability-growth-and-differentiation-a-cheminformatics-and-in-vitro-study
#1
Abdorrahim Absalan, Seyed Alireza Mesbah-Namin, Taki Tiraihi, Taher Taheri
OBJECTIVE: The aim of this study was to estimate the cheminformatics and qualitative structure-activity relationship (QSAR) of cinnamaldehyde and eugenol. The effects of cinnamaldehyde and eugenol on the viability, doubling time and adipogenic or osteogenic differentiations of human adipose-derived mesenchymal stem cells (hASCs) were also investigated. MATERIALS AND METHODS: QSAR and toxicity indices of cinnamaldehyde and eugenol were evaluated using cheminformatics tools including Toxtree and Toxicity Estimation Software Tool (T...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28053524/dynamic-imaging-of-allogeneic-adipose-derived-regenerative-cells-transplanted-in-ischemic-hind-limb-of-apolipoprotein-e-mouse-model
#2
Yi Zheng, Jinbao Qin, Xin Wang, Zhiyou Peng, Peiyong Hou, Xinwu Lu
BACKGROUND: Transplantation of allogeneic adipose-derived regenerative cells (ADRCs) is a promising treatment modality for severe ischemic diseases. However, minimal information is available on the in vivo effects, fate, and migration of ADRCs, as well as the mechanisms of their therapeutic angiogenesis. MATERIALS AND METHODS: In this study, green fluorescent protein-expressing ADRCs (GFP-ADRCs) were obtained, labeled with acetylated 3-aminopropyltrimethoxysilane (APTS)-coated iron oxide nanoparticles (APTS NPs), and injected into an old apolipoprotein E knockout (ApoE-KO) mouse model with hind limb ischemia...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28041853/stem-cells-in-male-sexual-dysfunction-are-we-getting-somewhere
#3
REVIEW
Mohammad Ayodhia Soebadi, Uros Milenkovic, Emmanuel Weyne, Fabio Castiglione, Maarten Albersen
INTRODUCTION: Stem cells for sexual disorders are steadily being introduced into clinical trials. Two conditions of importance are the main target for this line of treatment, especially when regarding the wide array of translational and basic science highlighting the potential advantages of regenerative therapy: erectile dysfunction (ED) and more recently Peyronie disease (PD). Cellular therapy offers a treatment modality that might reverse disease progression. It would be used in a curative setting, in contrast to other pharmaceutical agents that are currently available...
December 29, 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28040462/comparison-between-pediatric-and-adult-adipose-mesenchymal-stromal-cells
#4
Olivier Abbo, Marion Taurand, Paul Monsarrat, Isabelle Raymond, Emmanuelle Arnaud, Sandra De Barros, Françoise Auriol, Philippe Galinier, Louis Casteilla, Valerie Planat-Benard
BACKGROUND: Adipose-derived mesenchymalstromal cells (ASC) are currently tested in regenerative medicine to promote tissue reconstruction after injury. Regardingautologous purpose, the possible loss of therapeutic function and cell properties during aging have been questioned in adults. To date no reliable information is available concerning ASC from pediatric patients and a better knowledge is required for clinical applications. METHODS: Subcutaneous adipose tissue was collected from 27 donors (0-1 years old) and 50 donors (1-12 years old) and compared with adult ASC for in vitro characteristics...
December 28, 2016: Cytotherapy
https://www.readbyqxmd.com/read/28038353/decellularized-adipose-tissue-microcarriers-as-a-dynamic-culture-platform-for-human-adipose-derived-stem-stromal-cell-expansion
#5
Claire Yu, Anna Kornmuller, Cody Brown, Todd Hoare, Lauren E Flynn
With the goal of designing a clinically-relevant expansion strategy for human adipose-derived stem/stromal cells (ASCs), methods were developed to synthesize porous microcarriers derived purely from human decellularized adipose tissue (DAT). An electrospraying approach was applied to generate spherical DAT microcarriers with an average diameter of 428 ± 41 μm, which were soft, compliant, and stable in long-term culture without chemical crosslinking. Human ASCs demonstrated enhanced proliferation on the DAT microcarriers relative to commercially-sourced Cultispher-S microcarriers within a spinner culture system over 1 month...
December 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28024631/gold-nanoparticle-filled-biodegradable-photopolymer-scaffolds-induced-muscle-remodeling-in-vitro-and-in-vivo-findings
#6
Adam Zsedenyi, Balazs Farkas, Gaser N Abdelrasoul, Ilaria Romano, Edina Gyukity-Sebestyen, Katalin Nagy, Maria Harmati, Gabriella Dobra, Sandor Kormondi, Gabor Decsi, Istvan Balazs Nemeth, Alberto Diaspro, Fernando Brandi, Szabolcs Beke, Krisztina Buzas
Therapeutic stem cell transplantation bears the promise of new directions in organ and tissue replacement, but a number of its difficulties and perils are also well known. Our goal was to develop a method of transplantation by which the transplanted cells remain confined to the transplantation site and induce favorable processes. With the help of mask-projection excimer laser stereolithography, 3D hybrid nanoscaffolds were fabricated from biodegradable, photocurable PPF:DEF resin with incorporated gold nanoparticles (Au NPs)...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28013442/dmso-free-cryopreservation-of-adipose-derived-mesenchymal-stromal-cells-expansion-medium-affects-post-thaw-survival
#7
Olena Rogulska, Yuri Petrenko, Alexander Petrenko
Off-the-shelf availability of human adipose-derived mesenchymal stromal cells (ASCs) for regenerative medicine application requires the development of nontoxic, safe, and efficient protocols for cryopreservation. Favorably, such cell processing protocols should not contain xenogeneic or toxic components, such as fetal bovine serum (FS) and dimethyl sulfoxide (DMSO). The objective of the study was to assess the sensitivity of ASCs to DMSO-free cryopreservation protocol depending on their expansion conditions: conventional, based on the application of FS or xeno-free, using PL as a medium supplement...
December 24, 2016: Cytotechnology
https://www.readbyqxmd.com/read/28000916/pathological-changes-of-adipose-tissue-in-secondary-lymphedema
#8
K Tashiro, J Feng, S-H Wu, T Mashiko, K Kanayama, M Narushima, H Uda, S Miyamoto, I Koshima, K Yoshimura
BACKGROUND: The pathophysiology of lymphedema is poorly understood. Current treatment options include compression therapy, resection, liposuction, and lymphatic microsurgery, but determining the optimal treatment approach for each patient remains challenging. OBJECTIVES: We characterized skin and adipose tissue alterations in the setting of secondary lymphedema. METHODS: Morphologic and histopathologic evaluations were conducted for 70 specimens collected from 26 female patients with lower extremity secondary lymphedema following surgical intervention for gynecologic cancers...
December 21, 2016: British Journal of Dermatology
https://www.readbyqxmd.com/read/27998022/the-effects-of-the-dna-methyltranfserases-inhibitor-5-azacitidine-on-ageing-oxidative-stress-and-dna-methylation-of-adipose-derived-stem-cells
#9
Katarzyna Kornicka, Krzysztof Marycz, Monika Marędziak, Krzysztof A Tomaszewski, Jakub Nicpoń
Human adipose tissue is a great source of adult mesenchymal stem cells (MSCs) which are recognized from their ability to self-renew and differentiation into multiple lineages. MSCs have promised a vast therapeutic potential in treatment many diseases including tissue injury and immune disorders. However, their regenerative potential profoundly depends on patients' age. Age-related deterioration of MSC is associated with cellular senescence mainly caused by increased DNA methylation status, accumulation of oxidative stress factors and mitochondria dysfunction...
December 20, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27995034/adipose-derived-human-stem-stromal-cells-comparative-organ-specific-mitochondrial-bioenergy-profiles
#10
Alice S Ferng, Katherine M Marsh, Jamie M Fleming, Renee F Conway, David Schipper, Naing Bajaj, Alana M Connell, Tia Pilikian, Kitsie Johnson, Ray Runyan, Stephen M Black, John A Szivek, Zain Khalpey
BACKGROUND: Adipose-derived stem/stromal cells (ASCs) isolated from the stromal vascular fraction are a source of mesenchymal stem cells that have been shown to be beneficial in many regenerative medicine applications. ASCs are an attractive source of stem cells in particular, due to their lack of immunogenicity. This study examines differences between mitochondrial bioenergetic profiles of ASCs isolated from adipose tissue of five peri-organ regions: pericardial, thymic, knee, shoulder, and abdomen...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27992567/impact-of-hyperglycemia-and-low-oxygen-tension-on-adipose-derived-stem-cells-compared-with-dermal-fibroblasts-and-keratinocytes-importance-for-wound-healing-in-type-2-diabetes
#11
Aurore Lafosse, Cécile Dufeys, Christophe Beauloye, Sandrine Horman, Denis Dufrane
AIM: Adipose-derived stem cells (ASC) are currently proposed for wound healing in those with type 2 diabetes mellitus (T2DM). Therefore, this study investigated the impact of diabetes on adipose tissue in relation to ASC isolation, proliferation, and growth factor release and the impact of hyperglycemia and low oxygen tension (found in diabetic wounds) on dermal fibroblasts, keratinocytes, and ASC in vitro. METHODS: Different sequences of hypoxia and hyperglycemia were applied in vitro to ASC from nondiabetic (n = 8) or T2DM patients (n = 4) to study cell survival, proliferation, and growth factor release...
2016: PloS One
https://www.readbyqxmd.com/read/27956359/chemical-group-dependent-plasma-polymerisation-preferentially-directs-adipose-stem-cell-differentiation-towards-osteogenic-or-chondrogenic-lineages
#12
M F Griffin, A Ibrahim, A M Seifalian, P E M Butler, D M Kalaskar, P Ferretti
: Human adipose derived stem cells (ADSCs) are being explored for the repair of craniofacial defects due to their multi-differentiation potential and ease of isolation and expansion. Crucial to using ADSCs for craniofacial repair is the availability of materials with appropriate biomechanical properties that can support their differentiation into bone and cartilage. We tested the hypothesis that different modifications of chemical groups on the surface of a nanocomposite polymer could increase human ADSC adhesion and selectively enhance their osteogenic and chondrogenic differentiation...
December 9, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27936164/transcriptome-and-metabolome-analyses-in-exogenous-fabp4-and-fabp5-treated-adipose-derived-stem-cells
#13
Tokunori Yamamoto, Masato Furuhashi, Takeshi Sugaya, Tsuyoshi Oikawa, Megumi Matsumoto, Yasuhito Funahashi, Yoshihisa Matsukawa, Momokazu Gotoh, Tetsuji Miura
Adipose-derived stem cells (ADSC), which exist near adipocytes in adipose tissue, have been used as a potential tool of regenerative medicine. Lipid chaperones, fatty acid-binding protein 4 (FABP4) and 5 (FABP5), are abundantly expressed in adipocytes. FABP4 has recently been shown to be secreted from adipocytes during lipolysis in a non-classical pathway and may act as an adipokine. Here, we investigated the role of exogenous FABP4 and FABP5 in transcriptional and metabolic regulation in ADSC. FABP4 and FABP5 were little expressed in ADSC...
2016: PloS One
https://www.readbyqxmd.com/read/27920882/paroxetine-can-enhance-neurogenesis-during-neurogenic-differentiation-of-human-adipose-derived-stem-cells
#14
Maliheh Jahromi, Shahnaz Razavi, Nushin Amirpour, Zahra Khosravizadeh
BACKGROUND: Some antidepressant drugs can promote neuronal cell proliferation in vitro as well as hippocampal neurogenesis in human and animal models. Furthermore, adipose tissue is an available source of adult stem cells with the ability to differentiate in to multiple lineages. Therefore, human Adipose-Derived Stem Cells (hAD-SCs) may be a suitable source for regenerative medical applications. Since there is no evidence for the effect of Paroxetine as the most commonly prescribed antidepressant drug for neurogenic potential of hADSCs, an attempt was made to determine the effect of Paroxetine on proliferation and neural differentiation of hADSCs...
October 2016: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/27893630/a-comprehensive-in-vitro-comparison-of-preparation-techniques-for-fat-grafting
#15
Libor Streit, Josef Jaros, Veronika Sedlakova, Miroslava Sedlackova, Lubos Drazan, Michal Svoboda, Jakub Pospisil, Tomas Vyska, Jiri Vesely, Ales Hampl
BACKGROUND: Lipomodelling is a technique that uses patient's own fat for tissue regeneration and augmentation. The extent of regenerative effect is reported to be determined by the numbers of adipose tissue-derived stem cells (ASCs) and the viability of cells in processed adipose tissue, which, together with other factors, influence the degree of graft retention. This study addresses whether differences exist in properties of fat graft obtained by three commonly used techniques. METHODS: Adipose tissue harvested from the hypo-gastric regions of 14 patients was processed by decantation, centrifugation, and membrane-based tissue filtration...
November 21, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27883074/adipose-stem-cells-display-higher-regenerative-capacities-and-more-adaptable-electro-kinetic-properties-compared-to-bone-marrow-derived-mesenchymal-stromal-cells
#16
Ahmed El-Badawy, Marwa Amer, Reda Abdelbaset, Sameh N Sherif, Marwan Abo-Elela, Yehya H Ghallab, Hamdy Abdelhamid, Yehea Ismail, Nagwa El-Badri
Adipose stem cells (ASCs) have recently emerged as a more viable source for clinical applications, compared to bone-marrow mesenchymal stromal cells (BM-MSCs) because of their abundance and easy access. In this study we evaluated the regenerative potency of ASCs compared to BM-MSCs. Furthermore, we compared the dielectric and electro-kinetic properties of both types of cells using a novel Dielectrophoresis (DEP) microfluidic platform based on a printed circuit board (PCB) technology. Our data show that ASCs were more effective than BM-MSCs in promoting neovascularization in an animal model of hind-limb ischemia...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27869309/roles-of-notch-signaling-in-adipocyte-progenitor-cells-and-mature-adipocytes
#17
REVIEW
Tizhong Shan, Jiaqi Liu, Weiche Wu, Ziye Xu, Yizhen Wang
Adipose tissues, composed with mature adipocytes and preadipocytic stromal/stem cells, play crucial roles in whole body energy metabolism and regenerative medicine. Mature adipocytes are derived and differentiated from mesenchymal stem cells (MSCs) or preadipocytes. This differentiation process, also called adipogenesis, is regulated by several signaling pathways and transcription factors. Notch1 signaling is a highly conserved pathway that is indispensable for stem cell hemostasis and tissue development. In adipocyte progenitor cells, Notch1 signaling regulates the adipogenesis process including proliferation and differentiation of the adipocyte progenitor cells in vitro...
November 21, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27865937/lipopolysaccharide-induces-proliferation-and-osteogenic-differentiation-of-adipose-derived-mesenchymal-stromal-cells-in-vitro-via-tlr4-activation
#18
Nicole Herzmann, Achim Salamon, Tomas Fiedler, Kirsten Peters
Multipotent mesenchymal stromal cells (MSC) are capable of multi-lineage differentiation and support regenerative processes. In bacterial infections, resident MSC can come intocontact with and need to react to bacterial components. Lipopolysaccharide (LPS), a typical structure of Gram-negative bacteria, increases the proliferation and osteogenic differentiation of MSC. LPS is usually recognized by the toll-like receptor (TLR) 4 and induces pro-inflammatory reactions in numerous cell types. In this study, we quantified the protein expression of TLR4 and CD14 on adipose-derived MSC (adMSC) in osteogenic differentiation and investigated the effect of TLR4 activation by LPS on NF-κB activation, proliferation and osteogenic differentiation of adMSC...
January 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/27855539/mouse-p2y4-nucleotide-receptor-is-a-negative-regulator-of-cardiac-adipose-derived-stem-cell-differentiation-and-cardiac-fat-formation
#19
Anne Lemaire, Marion Vanorlé, Michael Horckmans, Larissa di Pietrantonio, Sophie Clouet, Bernard Robaye, Jean-Marie Boeynaems, Didier Communi
Cardiac adipose tissue-derived stem cells (cASCs) have the ability to differentiate into multiple cell lineages giving them a high potential for use in regenerative medicine. Cardiac fat tissue still raises many unsolved questions related to its formation and features. P2Y nucleotide receptors have already been described as regulators of differentiation of bone-marrow derived stem cells, but remain poorly investigated in cASCs. We defined, in this study, the P2Y4 nucleotide receptor as a negative regulator of cardiac fat formation and cASC adipogenic differentiation...
December 23, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27855196/age-related-changes-in-the-regenerative-potential-of-adipose-derived-stem-cells-isolated-from-the-prominent-fat-pads-in-human-lower-eyelids
#20
Xinhai Ye, Caihe Liao, Guangpeng Liu, Yipin Xu, Jian Tan, Zhenshun Song
The existence of multipotent adipose-derived stem cells isolated from human orbital fat (OF) tissue has shown great therapeutic potential in tissue engineering and regenerative medicine. But the use of stem cells for therapeutic applications is influenced by their proliferative and differentiation potentials, which may be affected by the age of the donor. So far there is little knowledge about the effects of donor age on the biological properties of human orbital adipose-derived stem cells (OASCs). The intraorbital fat protrusion in the lower eyelids occurs as an aging process, and the protruded fat is routinely removed during aesthetic surgeries...
2016: PloS One
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