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Adipose derived regenerative cells

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https://www.readbyqxmd.com/read/29150935/generation-of-insulin-producing-cells-from-human-adipose-derived-mesenchymal-stem-cells-on-pva-scaffold-by-optimized-differentiation-protocol
#1
Seyed Ehsan Enderami, Masoud Soleimani, Yousef Mortazavi, Samad Nadri, Ali Salimi
The studies have been done on patient-specific human adipose-derived from mesenchymal stem cells (hADSCs) like a series of autologous growth factors and nanofibrous scaffolds (3D culture) will probably have many benefits for regenerative medicine in type 1 diabetes mellitus (TIDM) patients in the future. For this purpose, we established a polyvinyl alcohol (PVA) scaffold and a differentiation protocol by adding platelet-rich plasma (PRP) that induces the hADSCs into insulin-producing cells (IPCs). The Characteristics of the derived IPCs in 3D culture were compared with conventional culture (2D) groups evaluated at the mRNA and protein levels...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29145503/zinc-sulfate-contributes-to-promote-telomere-length-extension-via-increasing-telomerase-gene-expression-telomerase-activity-and-change-in-the-tert-gene-promoter-cpg-island-methylation-status-of-human-adipose-derived-mesenchymal-stem-cells
#2
Raheleh Farahzadi, Ezzatollah Fathi, Seyed Alireza Mesbah-Namin, Nosratollah Zarghami
The use of mesenchymal stem cells (MSCs) for cell therapy and regenerative medicine has received widespread attention over the past few years, but their application can be complicated by factors such as reduction in proliferation potential, the senescent tendency of the MSCs upon expansion and their age-dependent decline in number and function. It was shown that all the mentioned features were accompanied by a reduction in telomerase activity and telomere shortening. Furthermore, the role of epigenetic changes in aging, especially changes in promoter methylation, was reported...
2017: PloS One
https://www.readbyqxmd.com/read/29141687/autologous-adipose-derived-regenerative-cell-therapy-modulates-development-of-hypertrophic-scarring-in-a-red-duroc-porcine-model
#3
Philippe Foubert, Diana Zafra, Mike Liu, Rohit Rajoria, Damian Gutierrez, Mayer Tenenhaus, John K Fraser
BACKGROUND: Effective prevention and treatment of hypertrophic scars (HTSs), a common consequence of deep-partial thickness injury, remain a significant clinical challenge. Previous studies from our group have shown that autologous adipose-derived regenerative cells (ADRCs) represent a promising approach to improve wound healing and, thereby, impact HTS development. The purpose of this study was to assess the influence of local delivery of ADRCs immediately following deep-partial thickness cutaneous injury on HTS development in the red Duroc (RD) porcine model...
November 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29140567/human-adipose-derived-stromal-cell-isolation-methods-and-use-in-osteogenic-and-adipogenic-in-vivo-applications
#4
Elizabeth Brett, Ruth Tevlin, Adrian McArdle, Eun Young Seo, Charles K F Chan, Derrick C Wan, Michael T Longaker
Adipose tissue represents an abundant and easily accessible source of multipotent cells, which may serve as excellent building blocks for tissue engineering. This article presents a newly described protocol for isolating adipose-derived stromal cells (ASCs) from human lipoaspirate, compared to the standard protocol for harvesting ASCs established in 2001. Human ASC isolation is performed using two methods, and resultant cells are compared through cell yield, cell viability, cell proliferation and regenerative potential...
November 15, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/29139103/differentiation-potential-of-human-adipose-stem-cells-bioprinted-with-hyaluronic-acid-gelatin-based-bioink-through-microextrusion-and-visible-light-initiated-crosslinking
#5
Shinji Sakai, Hiromi Ohi, Tomoki Hotta, Hidenori Kamei, Masahito Taya
Bioprinting has a great potential to fabricate three-dimensional (3D) functional tissues and organs. In particular, the technique enables fabrication of 3D constructs containing stem cells while maintaining cell proliferation and differentiation abilities, which is believed to be promising in the fields of tissue engineering and regenerative medicine. We aimed to demonstrate the utility of the bioprinting technique to create hydrogel constructs consisting of hyaluronic acid (HA) and gelatin derivatives through irradiation by visible light to fabricate 3D constructs containing human adipose stem cells (hADSCs)...
November 15, 2017: Biopolymers
https://www.readbyqxmd.com/read/29138638/tissue-source-and-cell-expansion-condition-influence-phenotypic-changes-of-adipose-derived-stem-cells
#6
Lauren H Mangum, Shanmugasundaram Natesan, Randolph Stone, Nicole L Wrice, David A Larson, Kyle F Florell, Barbara A Christy, Maryanne C Herzig, Andrew P Cap, Robert J Christy
Stem cells derived from the subcutaneous adipose tissue of debrided burned skin represent an appealing source of adipose-derived stem cells (ASCs) for regenerative medicine. Traditional tissue culture uses fetal bovine serum (FBS), which complicates utilization of ASCs in human medicine. Human platelet lysate (hPL) is one potential xeno-free, alternative supplement for use in ASC culture. In this study, adipogenic and osteogenic differentiation in media supplemented with 10% FBS or 10% hPL was compared in human ASCs derived from abdominoplasty (HAP) or from adipose associated with debrided burned skin (BH)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29132047/in-situ-label-free-monitoring-of-human-adipose-derived-mesenchymal-stem-cell-differentiation-into-multiple-lineages
#7
Intan Rosalina Suhito, Yoojoong Han, Junhong Min, Hyungbin Son, Tae-Hyung Kim
Precise characterizations of stem cell differentiation into specific lineages, especially in non-destructive and non-invasive manner, are extremely important for generating patient-specific cells without mass loss of differentiated cells. Here, we report a new method capable of in situ label-free quantification of stem cell differentiation into multiple lineages, even at a single cell level. The human adipose-derived mesenchymal stem cells (hADMSCs) were first differentiated into two different types of cells (osteoblasts and adipocytes) and these differentiated cells were then intensively analyzed by micro-Raman spectroscopy...
November 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/29131029/rapid-induction-of-osteogenic-markers-in-mesenchymal-stem-cells-by-adipose-derived-stromal-vascular-fraction-cells
#8
Jung-Won Choi, Sunhye Shin, Chang Youn Lee, Jiyun Lee, Hyang-Hee Seo, Soyeon Lim, Seahyoung Lee, Il-Kwon Kim, Hoon-Bum Lee, Sang Woo Kim, Ki-Chul Hwang
BACKGROUND/AIMS: Stromal vascular fraction (SVF) cells are a mixed cell population, and their regenerative capacity has been validated in various therapeutic models. The purpose of this study was to investigate the regenerative mechanisms utilized by implanted SVF cells. Using an in vitro co-culture system, we sought to determine whether SVF implantation into impaired tissue affects endogenous mesenchymal stem cell (MSC) differentiation; MSCs can differentiate into a variety of cell types, and they have a strong regenerative capacity despite their low numbers in impaired tissue...
November 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29105402/adipose-derived-stem-cells-affect-mir-145-and-p53-expressions-of-co-cultured-hematopoietic-stem-cells
#9
Tahereh Foroutan, Aisan Farhadi, Saeed Abroun, Bahram Mohammad Soltani
OBJECTIVES: Umbilical cord blood is used for transplantation purposes in regenerative medicine of hematological disorders. MicroRNAs are important regulators of gene expression that control both physiological and pathological processes such as cancer development and incidence. There is a new relation between p53 (tumor suppressor gene) and miR-145 (suppressor of cell growth) upregulation. In this study, we have assessed how adipose-derived stem cells (ADSCs) affect the expansion of hematopoietic stem cells (HSCs), as well as miR-145 and p53 expressions...
January 2018: Cell Journal
https://www.readbyqxmd.com/read/29102342/bioengineered-lungs-a-challenge-and-an-opportunity
#10
Ramon Farré, Jordi Otero, Isaac Almendros, Daniel Navajas
Lung biofabrication is a new tissue engineering and regenerative development aimed at providing organs for potential use in transplantation. Lung biofabrication is based on seeding cells into an acellular organ scaffold and on culturing them in an especial purpose bioreactor. The acellular lung scaffold is obtained by decellularizing a non-transplantable donor lung by means of conventional procedures based on application of physical, enzymatic and detergent agents. To avoid immune recipient's rejection of the transplanted bioengineered lung, autologous bone marrow/adipose tissue-derived mesenchymal stem cells, lung progenitor cells or induced pluripotent stem cells are used for biofabricating the bioengineered lung...
November 1, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29101812/the-effect-of-ketorolac-and-triamcinolone-acetonide-on-adipogenic-and-hepatogenic-differentiation-through-mirnas-16-15-195-possible-clinical-application-in-regenerative-medicine
#11
Sedigheh Fekri Aval, Nosratollah Zarghami, Effat Alizadeh, Seyed Abolghasem Mohammadi
OBJECTIVE: The role of miR-16/15b/195 and complementary compounds in the commitment of mesenchymal stem cells (MSCs) to different lineages is unknown. The aim of this work was to investigate the effect of ketorolac and triamcinolone acetonide on adipogenic and hepatogenic processes, respectively. Also, miR-16/15 and miR-195 expression levels were evaluated under different induction conditions. METHODS: MSCs were isolated, expanded and directed using adipogenesis medium or medium supplemented with ketorolac, and also subjected to hepatogenic differentiation using a cocktail of hepatocyte growth factor (HGF) and Oncostatin M (OSM) either with or without triamcinolone acetonide...
November 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29096855/impact-of-omega-3-fatty-acids-on-expression-of-angiogenic-cytokines-and-angiogenesis-by-adipose-derived-stem-cells
#12
Iryna Parshyna, Susann Lehmann, Katrin Grahl, Claudia Pahlke, Annika Frenzel, Helmut Weidlich, Henning Morawietz
BACKGROUND AND AIMS: Human adipose-tissue derived stem cells (ADSC) are interesting novel targets in tissue engineering and regenerative medicine with pronounced angiogenic capacities. Furthermore, omega-3 fatty acids have been described to mediate cardioprotective effects, but their role in angiogenesis and vascular regeneration is not well-understood. Here, we analyzed the impact of different omega-3 fatty acids on angiogenesis by ADSCs. METHODS: Stem cells were cultured as monolayers or in 3D models, in spheroids embedded in collagen matrix or in co-cultures with human umbilical vein endothelial cells (HUVECs) in the Matrigel™ assay...
November 2017: Atherosclerosis. Supplements
https://www.readbyqxmd.com/read/29093996/augmented-cartilage-regeneration-by-implantation-of-cellular-versus-acellular-implants-after-bone-marrow-stimulation-a-systematic-review-and-meta-analysis-of-animal-studies
#13
Michiel W Pot, Toin H van Kuppevelt, Veronica K Gonzales, Pieter Buma, Joanna IntHout, Rob B M de Vries, Willeke F Daamen
Bone marrow stimulation may be applied to regenerate focal cartilage defects, but generally results in transient clinical improvement and formation of fibrocartilage rather than hyaline cartilage. Tissue engineering and regenerative medicine strive to develop new solutions to regenerate hyaline cartilage tissue. This systematic review and meta-analysis provides a comprehensive overview of current literature and assesses the efficacy of articular cartilage regeneration by implantation of cell-laden versus cell-free biomaterials in the knee and ankle joint in animals after bone marrow stimulation...
2017: PeerJ
https://www.readbyqxmd.com/read/29079730/engineering-of-an-angiogenic-niche-by-perfusion-culture-of-adipose-derived-stromal-vascular-fraction-cells
#14
Giulia Cerino, Emanuele Gaudiello, Manuele Giuseppe Muraro, Friedrich Eckstein, Ivan Martin, Arnaud Scherberich, Anna Marsano
In vitro recapitulation of an organotypic stromal environment, enabling efficient angiogenesis, is crucial to investigate and possibly improve vascularization in regenerative medicine. Our study aims at engineering the complexity of a vascular milieu including multiple cell-types, a stromal extracellular matrix (ECM), and molecular signals. For this purpose, the human adipose stromal vascular fraction (SVF), composed of a heterogeneous mix of pericytes, endothelial/stromal progenitor cells, was cultured under direct perfusion flow on three-dimensional (3D) collagen scaffolds...
October 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29075508/effect-of-alginate-concentration-on-chondrogenesis-of-co-cultured-human-adipose-derived-stem-cells-and-nasal-chondrocytes-a-biological-study
#15
Y W Ewa-Choy, B Pingguan-Murphy, N A Abdul-Ghani, J Jahendran, K H Chua
BACKGROUND: The three-dimensional (3D) system is one of the important factors to engineer a biocompatible and functional scaffold for the applications of cell-based therapies for cartilage repair. The 3D alginate hydrogels system has previously been shown to potentially promote chondrogenesis. The chondrocytic differentiation of co-cultured adipose-derived stem cells (ADSCs) and nasal chondrocytes (NCs) within alginate constructs are hypothesized to be influenced by concentration of alginate hydrogel...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/29058626/combined-platelet-rich-plasma-and-lipofilling-treatment-provides-great-improvement-in-facial-skin-induced-lesion-regeneration-for-scleroderma-patients
#16
Francesco Virzì, Paola Bianca, Alessandro Giammona, Tiziana Apuzzo, Simone Di Franco, Laura Rosa Mangiapane, Maria Luisa Colorito, Dario Catalano, Emanuela Scavo, Annalisa Nicotra, Antonina Benfante, Giuseppe Pistone, Valentina Caputo, Francesco Dieli, Roberto Pirrello, Giorgio Stassi
BACKGROUND: The use of stem cells, including mesenchymal stem cells (MSCs), for regenerative medicine is gaining interest for the clinical benefits so far obtained in patients. This study investigates the use of adipose autologous tissue in combination with platelet-rich plasma (PRP) to improve the clinical outcome of patients affected by systemic sclerosis (SSc). METHODS: Adipose-derived mesenchymal stem cells (AD-MSCs) and PRPs were purified from healthy donors and SSc patients...
October 23, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29056973/rationale-and-design-of-the-first-double-blind-placebo-controlled-trial-with-allogeneic-adipose-tissue-derived-stromal-cell-therapy-in-patients-with-ischemic-heart-failure-a-phase-ii-danish-multicentre-study
#17
Jens Kastrup, Morten Schou, Ida Gustafsson, Olav W Nielsen, Rasmus Møgelvang, Klaus F Kofoed, Charlotte Kragelund, Jens Dahlgaard Hove, Andreas Fabricius-Bjerre, Merete Heitman, Mandana Haack-Sørensen, Lisbeth Drozd Lund, Ellen Mønsted Johansen, Abbas Ali Qayyum, Anders Bruun Mathiasen, Annette Ekblond
BACKGROUND: Ischemic heart failure (IHF) has a poor prognosis in spite of optimal therapy. We have established a new allogeneic Cardiology Stem Cell Centre adipose-derived stromal cell (CSCC_ASC) product from healthy donors. It is produced without animal products, in closed bioreactor systems and cryopreserved as an off-the-shelf product ready to use. STUDY DESIGN: A multicentre, double-blind, placebo-controlled phase II study with direct intramyocardial injections of allogeneic CSCC_ASC in patients with chronic IHF...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29049924/equine-mesenchymal-stem-cells-derived-from-endometrial-or-adipose-tissue-share-significant-biological-properties-but-have-distinctive-pattern-of-surface-markers-and-migration
#18
J Cabezas, D Rojas, F Navarrete, R Ortiz, G Rivera, F Saravia, L Rodriguez-Alvarez, F O Castro
Adult stromal mesenchymal stem cells (MSCs) have been postulated as responsible for cell renewal in highly and continuously regenerative tissues such as the endometrium. MSCs have been identified in the endometrium of many species including humans, rodents, pets and some farm animals, but not in horses. The objective of this work was to isolate such cells from the endometrium of mares and to compare their main biological attributes with horse adipose-derived MSCs. Here we successfully isolated and characterized endometrial MSCs (eMSCs) from mares...
October 6, 2017: Theriogenology
https://www.readbyqxmd.com/read/29049142/13-93b3-bioactive-glass-a-new-scaffold-for-transplantation-of-stem-cell-derived-chondrocytes
#19
Kivanc Gunhan, Serkan Bariskan, Uzdan Uz, Seda Vatansever, Mujde Kivanc
Research using animal models gives human trials hope for recovery in many fields of regenerative medicine, although they are sometimes poor predictors for human experiences. Our goal was to investigate whether rat chondrocytes, differentiated from adipose-derived stem cells, could be transplanted using a new, easily shaped, bioactive glass scaffold, and to show the immunohistochemical results. Intraperitoneal and retroperitoneal adipose tissue was extracted from 6 male Wistar albino type rats. The fatty tissue samples were fragmented and incubated...
October 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29042966/effects-of-rpe-conditioned-medium-on-the-differentiation-of-hadscs-into-rpe-cells-and-their-proliferation-and-migration
#20
Yi Zhang, Dandan Zhang, Wei Wei, Bingqiao Shen, Yuyao Wang, Yingjie Zhang, Yidan Zhang, Jing Ji, Hao Sun, Min Luo, Ping Gu
Age-related macular degeneration (AMD) is associated with the dysfunction and death of the retinal pigment epithelium (RPE). Recently, there has been increasing interest in stem cell-derived RPE cells for cell replacement therapies, such as those for AMD. The present study investigated whether RPE-conditioned medium (RPECM) could promote the differentiation of human adipose tissue-derived mesenchymal stromal cells (hADSCs) into RPE cells, and enhance the proliferation and migration of these cells. Reverse-transcription quantitative polymerase chain reaction analysis demonstrated that RPECM induced hADSCs to differentiate into cells expressing RPE markers, including retinoid isomerohydrolase (RPE65), cytokeratin (CK8) and Bestrophin, which were identified to be significantly upregulated by ~10-fold, 3...
October 2017: Experimental and Therapeutic Medicine
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