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Stem Cells International

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https://www.readbyqxmd.com/read/29765429/the-potentials-and-caveats-of-mesenchymal-stromal-cell-based-therapies-in-the-preterm-infant
#1
REVIEW
Judith Gronbach, Tayyab Shahzad, Sarah Radajewski, Cho-Ming Chao, Saverio Bellusci, Rory E Morty, Tobias Reicherzer, Harald Ehrhardt
Preponderance of proinflammatory signals is a characteristic feature of all acute and resulting long-term morbidities of the preterm infant. The proinflammatory actions are best characterized for bronchopulmonary dysplasia (BPD) which is the chronic lung disease of the preterm infant with lifelong restrictions of pulmonary function and severe consequences for psychomotor development and quality of life. Besides BPD, the immature brain, eye, and gut are also exposed to inflammatory injuries provoked by infection, mechanical ventilation, and oxygen toxicity...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765428/autophagy-in-stem-cell-biology-a-perspective-on-stem-cell-self-renewal-and-differentiation
#2
REVIEW
Xihang Chen, Yunfan He, Feng Lu
Autophagy is a highly conserved cellular process that degrades modified, surplus, or harmful cytoplasmic components by sequestering them in autophagosomes which then fuses with the lysosome for degradation. As a major intracellular degradation and recycling pathway, autophagy is crucial for maintaining cellular homeostasis, as well as for remodeling during normal development. Impairment of this process has been implicated in various diseases, in the pathogenic response to bacterial and viral infections, and in aging...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765427/adipose-derived-mesenchymal-stem-cells-in-the-use-of-cartilage-tissue-engineering-the-need-for-a-rapid-isolation-procedure
#3
REVIEW
Sam L Francis, Serena Duchi, Carmine Onofrillo, Claudia Di Bella, Peter F M Choong
Mesenchymal stem cells (MSCs) have shown much promise with respect to their use in cartilage tissue engineering. MSCs can be obtained from many different tissue sources. Among these, adipose tissue can provide an abundant source of adipose-derived mesenchymal stem cells (ADMSCs). The infrapatellar fat pad (IFP) is a promising source of ADMSCs with respect to producing a cartilage lineage. Cell isolation protocols to date are time-consuming and follow conservative approaches that rely on a long incubation period of 24-48 hours...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765426/current-therapeutic-strategies-for-stem-cell-based-cartilage-regeneration
#4
REVIEW
Yoojun Nam, Yeri Alice Rim, Jennifer Lee, Ji Hyeon Ju
The process of cartilage destruction in the diarthrodial joint is progressive and irreversible. This destruction is extremely difficult to manage and frustrates researchers, clinicians, and patients. Patients often take medication to control their pain. Surgery is usually performed when pain becomes uncontrollable or joint function completely fails. There is an unmet clinical need for a regenerative strategy to treat cartilage defect without surgery due to the lack of a suitable regenerative strategy. Clinicians and scientists have tried to address this using stem cells, which have a regenerative potential in various tissues...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765425/production-of-adult-human-synovial-fluid-derived-mesenchymal-stem-cells-in-stirred-suspension-culture
#5
Kristen D Jorgenson, David A Hart, Roman Krawetz, Arindom Sen
The chondrogenic potential of synovial fluid-derived mesenchymal stem cells (SF-MSCs) supports their use in cartilage regeneration strategies. However, their paucity in synovial fluid necessitates their proliferation in culture to generate clinically relevant quantities. Here it was determined that 125 mL stirred suspension bioreactors utilizing Cytodex-3 microcarrier beads represent a viable platform for the proliferation of these cells. During the inoculation phase, a bead loading of 2 g/L, an inoculation ratio of 4...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765424/public-awareness-on-cord-blood-banking-in-saudi-arabia
#6
Dunia Jawdat, Sulaiman AlTwijri, Hadeel AlSemari, Mayssa Saade, Ahmed Alaskar
Background: In the last decade, cord blood (CB) has proven to be a valuable source of hematopoietic stem cells for transplantation to treat many hematological disorders. Since then, many CB banks have been established worldwide. Our aim was to estimate the level of public awareness of CB banking in Saudi Arabia. Study Design and Methods: A self-administered questionnaire of 22 multiple choices was conveniently distributed, consisting of demographics, awareness measure, attitude toward banking preference, and donation for research data...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765423/comparison-of-teratoma-formation-between-embryonic-stem-cells-and-parthenogenetic-embryonic-stem-cells-by-molecular-imaging
#7
Hongyan Tao, Xiaoniao Chen, Anbang Wei, Xianghe Song, Weiqiang Wang, Lu Liang, Qinjun Zhao, Zhibo Han, Zhongchao Han, Xiaojing Wang, Zongjin Li
With their properties of self-renewal and differentiation, embryonic stem (ES) cells hold great promises for regenerative therapy. However, teratoma formation and ethical concerns of ES cells may restrict their potential clinical applications. Currently, parthenogenetic embryonic stem (pES) cells have attracted the interest of researchers for its self-renewing and pluripotent differentiation while eliciting less ethic concerns. In this study, we established a model with ES and pES cells both stably transfected with a double-fusion reporter gene containing renilla luciferase (Rluc) and red fluorescent protein (RFP) to analyze the mechanisms of teratoma formation...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765422/the-effect-of-pulsatile-flow-on-bmsc-derived-endothelial-like-cells-in-a-small-sized-artificial-vessel-made-by-3-dimensional-bioprinting
#8
Kang Woog Lee, Dae-Hyun Kim, Jun Hee Lee, Young-Nam Youn
Replacement of small-sized vessels is still challenging. This study is aimed at investigating the possibility of small-sized artificial vessels made by 3-dimensional bioprinting and the effect of pulsatile flow on bMSC-derived endothelial-like cells. Cells were harvested from rabbit bone marrow and primary cultured with or without growth factors. Endothelial differentiation was confirmed by the Matrigel tube formation assay, Western blot, and qRT-PCR. In addition, embedment of endothelial-like cells in an artificial vessel was made by 3-dimensional bioprinting, and the pulsatile flow was performed...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765421/retention-and-functional-effect-of-adipose-derived-stromal-cells-administered-in-alginate-hydrogel-in-a-rat-model-of-acute-myocardial-infarction
#9
Bjarke Follin, Adam Ali Ghotbi, Andreas Ettrup Clemmensen, Simon Bentsen, Morten Juhl, Rebekka Harary Søndergaard, Lisbeth Drozd Lund, Mandana Haack-Sørensen, Philip Hasbak, Smadar Cohen, Rasmus Sejersten Ripa, Jens Kastrup, Annette Ekblond, Andreas Kjær
Background: Cell therapy for heart disease has been proven safe and efficacious, despite poor cell retention in the injected area. Improving cell retention is hypothesized to increase the treatment effect. In the present study, human adipose-derived stromal cells (ASCs) were delivered in an in situ forming alginate hydrogel following acute myocardial infarction (AMI) in rats. Methods: ASCs were transduced with luciferase and tested for ASC phenotype. AMI was inducted in nude rats, with subsequent injection of saline (controls), 1 × 106 ASCs in saline or 1 × 106 ASCs in 1% ( w / v ) alginate hydrogel...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765420/a-feasible-method-of-angiogenesis-assessment-in-gastric-cancer-using-3d-microvessel-density
#10
Lu Zhang, Fei Zheng, Zhigang Peng, Zijing Hu, Zhi Yang
Background: Cancer stem cell (CSC) promotes angiogenesis which plays an important role in tumor occurrence, growth, and metastasis. Accurately, quantifying the tumor vasculature can help understanding CSC characteristics and improve cancer diagnosis, therapy planning, and evaluation. The objective of this study is to present a method for improved angiogenesis assessment. Methods: We proposed a three-dimensional microvessel density (3D MVD) to evaluate tumor angiogenesis and tested it in animal models...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765419/low-magnitude-of-compression-enhances-biosynthesis-of-mesenchymal-stem-cells-towards-nucleus-pulposus-cells-via-the-trpv4-dependent-pathway
#11
Yibo Gan, Bing Tu, Pei Li, Jixing Ye, Chen Zhao, Lei Luo, Chengmin Zhang, Zetong Zhang, Linyong Zhu, Qiang Zhou
Mesenchymal stem cell- (MSC-) based therapy is regarded as a promising tissue engineering strategy to achieve nucleus pulposus (NP) regeneration for the treatment of intervertebral disc degeneration (IDD). However, it is still a challenge to promote the biosynthesis of MSC to meet the requirement of NP regeneration. The purpose of this study was to optimize the compressive magnitude to enhance the extracellular matrix (ECM) deposition towards discogenesis of MSCs. Thus, we constructed a 3D culture model for MSCs to bear different magnitudes of compression for 7 days (5%, 10%, and 20% at the frequency of 1...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765418/isolation-and-characterisation-of-mesenchymal-stem-cells-from-rat-bone-marrow-and-the-endosteal-niche-a-comparative-study
#12
Norhayati Yusop, Paul Battersby, Amr Alraies, Alastair J Sloan, Ryan Moseley, Rachel J Waddington
Within bone, mesenchymal stromal cells (MSCs) exist within the bone marrow stroma (BM-MSC) and the endosteal niche, as cells lining compact bone (CB-MSCs). This study isolated and characterised heterogeneous MSC populations from each niche and subsequently investigated the effects of extensive cell expansion, analysing population doublings (PDs)/cellular senescence, colony-forming efficiencies (CFEs), MSC cell marker expression, and osteogenic/adipogenic differentiation. CB-MSCs and BM-MSCs demonstrated similar morphologies and PDs, reaching 100 PDs...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765417/zinc-promotes-adipose-derived-mesenchymal-stem-cell-proliferation-and-differentiation-towards-a-neuronal-fate
#13
Mi-Young Moon, Hyun Jung Kim, Bo Young Choi, Min Sohn, Tae Nyoung Chung, Sang Won Suh
Zinc is an essential element required for cell division, migration, and proliferation. Under zinc-deficient conditions, proliferation and differentiation of neural progenitors are significantly impaired. Adipose-derived mesenchymal stem cells (AD-MSCs) are multipotent stem cells that can differentiate into neurons. The aim of this study was to evaluate the effect of zinc on AD-MSC proliferation and differentiation. We initially examined the effect of zinc on stem cell proliferation at the undifferentiated stage...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765416/combating-osteoarthritis-through-stem-cell-therapies-by-rejuvenating-cartilage-a-review
#14
REVIEW
Navneet Kumar Dubey, Viraj Krishna Mishra, Rajni Dubey, Shabbir Syed-Abdul, Joseph R Wang, Peter D Wang, Win-Ping Deng
Knee osteoarthritis (OA) is a chronic degenerative disorder which could be distinguished by erosion of articular cartilage, pain, stiffness, and crepitus. Not only aging-associated alterations but also the metabolic factors such as hyperglycemia, dyslipidemia, and obesity affect articular tissues and may initiate or exacerbate the OA. The poor self-healing ability of articular cartilage due to limited regeneration in chondrocytes further adversely affects the osteoarthritic microenvironment. Traditional and current surgical treatment procedures for OA are limited and incapable to reverse the damage of articular cartilage...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765415/human-recombinant-peptide-sponge-enables-novel-less-invasive-cell-therapy-for-ischemic-stroke
#15
Michiyuki Miyamoto, Kentaro Nakamura, Hideo Shichinohe, Tomohiro Yamauchi, Masaki Ito, Hisayasu Saito, Masahito Kawabori, Toshiya Osanai, Tasuku Sasaki, Kiyohiro Houkin, Satoshi Kuroda
Bone marrow stromal cell (BMSC) transplantation has the therapeutic potential for ischemic stroke. However, it is unclear which delivery routes would yield both safety and maximal therapeutic benefits. We assessed whether a novel recombinant peptide (RCP) sponge, that resembles human collagen, could act as a less invasive and beneficial scaffold in cell therapy for ischemic stroke. BMSCs from green fluorescent protein-transgenic rats were cultured and Sprague-Dawley rats were subjected to permanent middle cerebral artery occlusion (MCAo)...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765414/developmental-pathways-pervade-stem-cell-responses-to-evolving-extracellular-matrices-of-3d-bioprinted-microenvironments
#16
Quyen A Tran, Visar Ajeti, Brian T Freeman, Paul J Campagnola, Brenda M Ogle
Developmental studies and 3D in vitro model systems show that the production and engagement of extracellular matrix (ECM) often precede stem cell differentiation. Yet, unclear is how the ECM triggers signaling events in sequence to accommodate multistep process characteristic of differentiation. Here, we employ transcriptome profiling and advanced imaging to delineate the specificity of ECM engagement to particular differentiation pathways and to determine whether specificity in this context is a function of long-term ECM remodeling...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765413/human-urine-derived-stem-cells-potential-for-cell-based-therapy-of-cartilage-defects
#17
Long Chen, Lang Li, Fei Xing, Jing Peng, Kun Peng, Yuanzheng Wang, Zhou Xiang
Stem cell therapy is considered an optimistic approach to replace current treatments for cartilage defects. Recently, human urine-derived stem cells (hUSCs), which are isolated from the urine, are studied as a promising candidate for many tissue engineering therapies due to their multipotency and sufficient proliferation activities. However, it has not yet been reported whether hUSCs can be employed in cartilage defects. In this study, we revealed that induced hUSCs expressed chondrogenic-related proteins, including aggrecan and collagen II, and their gene expression levels were upregulated in vitro ...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765412/neural-stem-cell-conditioned-medium-ameliorated-cerebral-ischemia-reperfusion-injury-in-rats
#18
HongNa Yang, Cuilan Wang, Hui Chen, Lan Li, Shuang Ma, Hao Wang, YaRu Fu, Tingyu Qu
Introduction: Our previous study suggested that NSC-CM (neural stem cell-conditioned medium) inhibited cell apoptosis in vitro . In addition, many studies have shown that neurotrophic factors and microparticles secreted into a conditioned medium by NSCs had neuroprotective effects. Thus, we hypothesized that NSC-CM had the capacity of protecting against cerebral I/R injury. Methods: Adult male Sprague-Dawley rats receiving middle cerebral artery occlusion surgery as an animal model of cerebral I/R injury were randomly assigned to two groups: the control group and NSC-CM-treated group...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765411/skin-derived-stem-cells-for-wound-treatment-using-cultured-epidermal-autografts-clinical-applications-and-challenges
#19
REVIEW
Inga Brockmann, Juliet Ehrenpfordt, Tabea Sturmheit, Matthias Brandenburger, Charli Kruse, Marietta Zille, Dorothee Rose, Johannes Boltze
The human skin fulfills important barrier, sensory, and immune functions-all of which contribute significantly to health and organism integrity. Widespread skin damage requires immediate treatment and coverage because massive skin loss fosters the invasion of pathogens, causes critical fluid loss, and may ultimately lead to death. Since the skin is a highly immunocompetent organ, autologous transplants are the only viable approach to permanently close a widespread skin wound. Despite the development of tissue-saving autologous transplantation techniques such as mesh and Meek grafts, treatment options for extensive skin damage remain severely limited...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765410/comparison-of-regenerative-tissue-quality-following-matrix-associated-cell-implantation-using-amplified-chondrocytes-compared-to-synovium-derived-stem-cells-in-a-rabbit-model-for-cartilage-lesions
#20
Hagen Schmal, Justyna M Kowal, Moustapha Kassem, Michael Seidenstuecker, Anke Bernstein, Katharina Böttiger, Tanshiyue Xiong, Norbert P Südkamp, Eva J Kubosch
Known problems of the autologous chondrocyte implantation motivate the search for cellular alternatives. The aim of the study was to test the potential of synovium-derived stem cells (SMSC) to regenerate cartilage using a matrix-associated implantation. In an osteochondral defect model of the medial femoral condyle in a rabbit, a collagen membrane was seeded with either culture-expanded allogenic chondrocytes or SMSC and then transplanted into the lesion. A tailored piece synovium served as a control. Rabbit SMSC formed typical cartilage in vitro...
2018: Stem Cells International
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