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https://www.readbyqxmd.com/read/28327848/-mesenchymal-stem-cells-definitions-culture-and-potential-applications
#1
Willy Ceron, Iván Lozada-Requena, Kiomi Ventocilla, Sandra Jara, Milagros Pinto, Marco Cabello, José L Aguilar
In recent years, mesenchymal stem cells (MSC) have become very important due to their high plasticity and their ability to release paracrine factors able to interact with various cell types, tissues and organs. The use of MSC in regenerative medicine became of vital importance, since they do not express histocompatibility MHC molecules class II nor costimulant molecules, and low expression of MHC class I, will not be rejected by individuals of same species, they could be used in an autologous, and eventually, allogeneic manner...
October 2016: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28327192/dna-double-strand-breaks-in-human-induced-pluripotent-stem-cell-reprogramming-and-long-term-in-vitro-culturing
#2
Pavel Simara, Lenka Tesarova, Daniela Rehakova, Pavel Matula, Stanislav Stejskal, Ales Hampl, Irena Koutna
BACKGROUND: Human induced pluripotent stem cells (hiPSCs) play roles in both disease modelling and regenerative medicine. It is critical that the genomic integrity of the cells remains intact and that the DNA repair systems are fully functional. In this article, we focused on the detection of DNA double-strand breaks (DSBs) by phosphorylated histone H2AX (known as γH2AX) and p53-binding protein 1 (53BP1) in three distinct lines of hiPSCs, their source cells, and one line of human embryonic stem cells (hESCs)...
March 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28326803/when-is-an-alveolar-type-2-cell-an-alveolar-type-2-cell-a-conundrum-for-lung-stem-cell-biology-and-regenerative-medicine
#3
Michael F Beers, Yuben Moodley
Generating mature, differentiated, adult lung cells from pluripotent cells such as induced pluripotent cells (iPS) and embryonic stem cells (ES) offers the hope of both generating disease specific in vitro models and creating definitive and personalized therapies for a host of debilitating lung parenchymal and airway diseases. With the goal of advancing lung regenerative medicine, several groups have developed and reported on protocols utilizing either defined media, co-culture with mesenchymal components, or sequential treatments mimicking lung development, to obtain distal lung epithelial cells from stem cell precursors...
March 22, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28326324/three-dimensional-human-cardiac-tissue-engineered-by-centrifugation-of-stacked-cell-sheets-and-cross-sectional-observation-of-its-synchronous-beatings-by-optical-coherence-tomography
#4
Yuji Haraguchi, Akiyuki Hasegawa, Katsuhisa Matsuura, Mari Kobayashi, Shin-Ichi Iwana, Yasuhiro Kabetani, Tatsuya Shimizu
Three-dimensional (3D) tissues are engineered by stacking cell sheets, and these tissues have been applied in clinical regenerative therapies. The optimal fabrication technique of 3D human tissues and the real-time observation system for these tissues are important in tissue engineering, regenerative medicine, cardiac physiology, and the safety testing of candidate chemicals. In this study, for aiming the clinical application, 3D human cardiac tissues were rapidly fabricated by human induced pluripotent stem (iPS) cell-derived cardiac cell sheets with centrifugation, and the structures and beatings in the cardiac tissues were observed cross-sectionally and noninvasively by two optical coherence tomography (OCT) systems...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28326305/implications-for-a-stem-cell-regenerative-medicine-based-approach-to-human-intervertebral-disk-degeneration
#5
REVIEW
Petra Kraus, Thomas Lufkin
The human body develops from a single cell, the zygote, the product of the maternal oocyte and the paternal spermatozoon. That 1-cell zygote embryo will divide and eventually grow into an adult human which is comprised of ~3.7 × 10(13) cells. The tens of trillions of cells in the adult human can be classified into approximately 200 different highly specialized cell types that make up all of the different tissues and organs of the human body. Regenerative medicine aims to replace or restore dysfunctional cells, tissues and organs with fully functional ones...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28326106/in-vivo-assessment-of-stem-cells-for-treating-neurodegenerative-disease-current-approaches-and-future-prospects
#6
REVIEW
Byeong-Wook Song
In recent years, stem cell-related therapies have been widely applied for treating neurodegenerative disease. Despite their potential, stem cell tracking and imaging techniques for the evaluation of in vivo proof-of-concept (PoC) therapies have not been sufficiently represented in the research area. This review summarizes the recent approaches that have been used for tracking and imaging engrafted stem cells in vivo. Furthermore, we introduce tissue clearing technology that can be applied to develop three-dimensional in vivo experiments...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28324799/modified-masquelet-technique-using-allogeneic-umbilical-cord-derived-mesenchymal-stem-cells-for-infected-non-union-femoral-shaft-fracture-with-a-12-cm-bone-defect-a-case-report
#7
Ismail Hadisoebroto Dilogo, Muhammad Rizqi Adhi Primaputra, Jeanne Adiwinata Pawitan, Isabella Kurnia Liem
INTRODUCTION: Non-union due to large bone loss often causes significant long-term morbidity. We incorporate the use of allogeneic umbilical cord-derived mesenchymal stem cells (UC-MSCs) as part of the diamond concept of regenerative medicine in a case of infected non-union fracture. PRESENTATION OF CASE: We reported a 54-year-old female patient presenting with pain on the right thigh. She was previously diagnosed with a closed fracture of the right femoral shaft and underwent four surgeries before finally being referred to Dr...
March 6, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28324469/stem-cells-in-cardiovascular-medicine-the-road-to-regenerative-therapies
#8
REVIEW
Christopher W Anderson, Nicole Boardman, Jiesi Luo, Jinkyu Park, Yibing Qyang
PURPOSE OF REVIEW: The purpose of this review is to provide a broad overview of current trends in stem cell research and its applications in cardiovascular medicine. Researches on different stem cell sources, their inherent characteristics, and the limitations they have in medical applications are discussed. Additionally, uses of stem cells for both modeling and treating cardiovascular disease are discussed, taking note of the obstacles these engineered interventions must overcome to be clinically viable...
April 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28322920/stem-cell-transplantation-therapy-for-multifaceted-therapeutic-benefits-after-stroke
#9
REVIEW
Ling Wei, Zheng Z Wei, Michael Qize Jiang, Osama Mohamad, Shan Ping Yu
One of the exciting advances in modern medicine and life science is cell-based neurovascular regeneration of damaged brain tissues and repair of neuronal structures. The progress in stem cell biology and creation of adult induced pluripotent stem (iPS) cells has significantly improved basic and pre-clinical research in disease mechanisms and generated enthusiasm for potential applications in the treatment of central nervous system (CNS) diseases including stroke. Endogenous neural stem cells and cultured stem cells are capable of self-renewal and give rise to virtually all types of cells essential for the makeup of neuronal structures...
March 16, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28322869/scaffold-free-high-throughput-generation-of-quiescent-valvular-microtissues
#10
Annelies Roosens, Inès Puype, Ria Cornelissen
AIMS: The major challenge of working with valvular interstitial cells in vitro is the preservation or recovery of their native quiescent state. In this study, a biomimetic approach is used which aims to engineer small volume, high quality valve microtissues, having a potential in regenerative medicine and as a relevant 3D in vitro model to provide insights into valve (patho)biology. METHODS AND RESULTS: To form micro-aggregates, porcine valvular interstitial cells were seeded in agarose micro-wells and cultured in medium supplemented with 250μM Ascorbic Acid 2-phosphate for 22days...
March 17, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28322312/imaging-tissue-mimic-with-light-sheet-microscopy-a-comparative-guideline
#11
Jordi Andilla, Raphael Jorand, Omar E Olarte, Alexandre C Dufour, Martine Cazales, Yoann L E Montagner, Romain Ceolato, Nicolas Riviere, Jean-Christophe Olivo-Marin, Pablo Loza-Alvarez, Corinne Lorenzo
Tissue mimics (TMs) on the scale of several hundred microns provide a beneficial cell culture configuration for in vitro engineered tissue and are currently under the spotlight in tissue engineering and regenerative medicine. Due to the cell density and size, TMs are fairly inaccessible to optical observation and imaging within these samples remains challenging. Light Sheet Fluorescence Microscopy (LSFM)- an emerging and attractive technique for 3D optical sectioning of large samples- appears to be a particularly well-suited approach to deal with them...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28322169/potential-therapeutic-strategies-of-regenerative-medicine-for-renal-failure
#12
Monica Maribel Mata-Miranda, Raul Jacobo Delgado-Macuil, Marlon Rojas-Lopez, Ricardo Martinez-Flores, Gustavo Jesus Vazquez-Zapien
Kidney diseases are a public health problem worldwide; the mortality rate is between 50 and 80%. Available therapies include replacement function by dialysis or transplant, associated with a high morbidity and mortality; kidney transplantation is limited by the shortage of donor organs, immune rejection and lifelong treatment with immunosuppressive. Likewise, none of these treatments compensates all kidney functions. There is a great concern in developing more effective therapies with the ability to replace the wide range of renal functions, so that, new researches on developing therapeutic strategies have focused on regenerative medicine, science that includes artificial creation of tissues and organs, in order to repair or replace a tissue or organ function...
March 17, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28322140/applications-and-risks-of-nanomaterials-used-in-regenerative-medicine-delivery-systems-theranostics-and-therapy
#13
Estefany I Medina-Reyes, Danae Garcia-Viacobo, Franklin A Carrero-Martinez, Yolanda Irasema Chirino
Recent advances in nanotechnology have transformed the biomedicine field, in which the use of engineered nanomaterials (ENMs) has provided the foundation for novel applications. For this reason, the number of ENMs has increased rapidly, and here we provide a classification of ENMs based on chemical composition and biomedical applications, which include regenerative medicine, delivery systems, theranostics, and therapy. These have been identified as the most advanced and promising areas for further studies with humans...
2017: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/28321921/insights-into-cell-free-therapeutic-approach-role-of-stem-cell-soup-ernatant
#14
REVIEW
Shalini Raik, Ajay Kumar, Shalmoli Bhattacharyya
Current advances in medicine have revolutionized the field of regenerative medicine dramatically with newly evolved therapies for repair or replacement of degenerating or injured tissues. Stem cells can be harvested from different sources for clinical therapeutics which include fetal tissues, umbilical cord blood, embryos and adult tissues. Stem cells can be isolated and differentiated into desired lineages for tissue regeneration and cell replacement therapy. However, several loopholes need to be addressed properly before this can be extended for large scale therapeutic application...
March 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28320523/roles-of-fluid-shear-stress-and-retinoic-acid-in-the-differentiation-of-primary-cultured-human-podocytes
#15
Seung Hee Yang, Jin Woo Choi, Dongeun Huh, Hyung Ah Jo, Sejoong Kim, Chun Soo Lim, Jung Chan Lee, Hee Chan Kim, Hyug Moo Kwon, Chang Wook Jeong, Cheol Kwak, Kwon Wook Joo, Yon Su Kim, Dong Ki Kim
Due to the distinct features that distinguish immortalized podocyte cell lines from their in vivo counterparts, primary cultured human podocytes might be a superior cell model for glomerular disease studies. However, the podocyte de-differentiation that occurs in culture remains an unresolved problem. Here, we present a method to differentiate primary cultured podocytes using retinoic acid (RA) and fluid shear stress (FSS), which mimic the in vivo environment of the glomerulus. RA treatment induced changes in the cell shape of podocytes from a cobblestone-like morphology to an arborized configuration with enhanced mobility...
March 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28320483/human-and-feline-adipose-derived-mesenchymal-stem-cells-have-comparable-phenotype-immunomodulatory-functions-and-transcriptome
#16
Kaitlin C Clark, Fernando A Fierro, Emily Mills Ko, Naomi J Walker, Boaz Arzi, Clifford G Tepper, Heather Dahlenburg, Andrew Cicchetto, Amir Kol, Lyndsey Marsh, William J Murphy, Nasim Fazel, Dori L Borjesson
BACKGROUND: Adipose-derived mesenchymal stem cells (ASCs) are a promising cell therapy to treat inflammatory and immune-mediated diseases. Development of appropriate pre-clinical animal models is critical to determine safety and attain early efficacy data for the most promising therapeutic candidates. Naturally occurring diseases in cats already serve as valuable models to inform human clinical trials in oncologic, cardiovascular, and genetic diseases. The objective of this study was to complete a comprehensive side-by-side comparison of human and feline ASCs, with an emphasis on their immunomodulatory capacity and transcriptome...
March 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28320452/compared-to-the-amniotic-membrane-wharton-s-jelly-may-be-a-more-suitable-source-of-mesenchymal-stem-cells-for-cardiovascular-tissue-engineering-and-clinical-regeneration
#17
Lei Pu, Mingyao Meng, Jian Wu, Jing Zhang, Zongliu Hou, Hui Gao, Hui Xu, Boyu Liu, Weiwei Tang, Lihong Jiang, Yaxiong Li
BACKGROUND: The success of developing cardiovascular tissue engineering (CTE) grafts greatly needs a readily available cell substitute for endothelial and interstitial cells. Perinatal annexes have been proposed as a valuable source of mesenchymal stem cells (MSCs) for tissue engineering and regenerative medicine. The objective of the present study is to evaluate the potential of human Wharton's jelly MSCs (WJ-MSCs) and amniotic membrane MSCs (AM-MSCs) as a seeding cell in CTE and cardiovascular regenerative medicine...
March 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28319248/cyclic-tensile-strain-enhances-human-mesenchymal-stem-cell-smad-2-3-activation-and-tenogenic-differentiation-in-anisotropic-collagen-glycosaminoglycan-scaffolds
#18
W G Grier, A S Moy, B A Harley
Stem cell research arose from the need to explore new therapeutic possibilities for intractable and lethal diseases. Although musculoskeletal disorders are basically nonlethal, their high prevalence and relative ease of performing clinical trials have facilitated the clinical application of stem cells in this field. However, few reliable clinical studies have been published, despite the plethora of in vitro and preclinical studies in stem cell research for regenerative medicine in the musculoskeletal system...
March 20, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28319199/a-computational-analysis-of-in-vivo-vegfr-activation-by-multiple-co-expressed-ligands
#19
Lindsay E Clegg, Feilim Mac Gabhann
The splice isoforms of vascular endothelial growth A (VEGF) each have different affinities for the extracellular matrix (ECM) and the coreceptor NRP1, which leads to distinct vascular phenotypes in model systems expressing only a single VEGF isoform. ECM-immobilized VEGF can bind to and activate VEGF receptor 2 (VEGFR2) directly, with a different pattern of site-specific phosphorylation than diffusible VEGF. To date, the way in which ECM binding alters the distribution of isoforms of VEGF and of the related placental growth factor (PlGF) in the body and resulting angiogenic signaling is not well-understood...
March 20, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28318389/our-panel-of-experts-highlight-the-most-important-research-articles-across-the-spectrum-of-topics-relevant-to-the-field-of-regenerative-medicine
#20
Amber Kerstetter-Fogle
No abstract text is available yet for this article.
March 20, 2017: Regenerative Medicine
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