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Stem Cell Research

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https://www.readbyqxmd.com/read/29161648/derivation-and-characterization-of-the-nyscfe003-a-human-embryonic-stem-cell-line
#1
Ana Sevilla, Eliana Forero, Matthew Zimmer, Hector Martinez, Katie Reggio, Daniel Paull, Dieter Egli, Scott Noggle
The human embryonic stem cell line NYSCFe003-A was derived from a day 5 to day 6 blastocyst in feeder-free and antibiotic free conditions. The blastocyst was voluntarily donated for research as surplus after in vitro fertilization treatment following informed consent. The NYSCFe003-A line expresses all the pluripotency markers and has the potential to differentiate into all three germ layers in vitro. The line presents normal karyotype and is mycoplasma free.
November 18, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29154227/generation-of-integration-free-induced-pluripotent-stem-cell-line-njmui001-a-from-a-phenylketonuria-patient
#2
Tianhui Xu, Dong Liang, Jingjing Zhang, Xiuqing Ji, Huanran Hu, Yun Sun, Tao Jiang, Xia Wang, Ping Hu, Zhengfeng Xu
PKU is a prevalent type of inherited metabolic disease, caused by the defective phenylalanine metabolism. In most PKU cases, mutations in the PAH gene could be found. Dysfunction of this hepatic enzyme will lead to diverse clinical symptoms due to a failure in converting phenylalanine into tyrosine. Here, we report an integration-free human induced pluripotent stem cell line (NJMUi001-A) generated from peripheral blood mononuclear cells of a PKU patient by using Sendai virus. This iPS cell line has characteristics of pluripotent stem cells and can be used as a useful tool for the investigation of this inherited metabolic disease...
November 10, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29154076/multiple-intracerebroventricular-injections-of-human-umbilical-cord-mesenchymal-stem-cells-delay-motor-neurons-loss-but-not-disease-progression-of-sod1g93a-mice
#3
Francesca Sironi, Antonio Vallarola, Martina Bruna Violatto, Laura Talamini, Mattia Freschi, Roberta De Gioia, Chiara Capelli, Azzurra Agostini, Davide Moscatelli, Massimo Tortarolo, Paolo Bigini, Martino Introna, Caterina Bendotti
Stem cell therapy is considered a promising approach in the treatment of amyotrophic lateral sclerosis (ALS) and mesenchymal stem cells (MSCs) seem to be the most effective in ALS animal models. The umbilical cord (UC) is a source of highly proliferating fetal MSCs, more easily collectable than other MSCs. Recently we demonstrated that human (h) UC-MSCs, double labeled with fluorescent nanoparticles and Hoechst-33258 and transplanted intracerebroventricularly (ICV) into SOD1G93A transgenic mice, partially migrated into the spinal cord after a single injection...
November 10, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29128817/generation-of-induced-pluripotent-stem-cell-ipsc-line-from-a-21-year-old-x-linked-adrenoleukodystrophy-x-ald-patient
#4
Young Rang You, Daryeon Son, Phil Jun Kang, Seungkwon You, Dae-Sung Kim
X-linked Adrenoleukodystrophy (X-ALD) is a genetic disease that caused by mutations in adenosine triphosphate [ATP]-binding-cassette transporter superfamily D member 1 (ABCD1) gene. We generated an induced pluripotent stem cell (iPSC) line from a 21-year-old male X-ALD patient-derived fibroblasts by Sendai virus mediated reprogramming. Established iPSCs stably expanded while maintaining immunoreactivity for various pluripotency markers and alkaline phosphatase, as well as normal 44+XY karyotype. Under the differentiation condition, the cells gave rise to cells of three germ layers...
November 9, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29157935/a-quiet-space-during-rush-hour-quiescence-in-primordial-germ-cells
#5
Nathalie Oulhen, Gary Wessel
Quiescence is a common character in stem cells. Low cellular activity in these cells may function to minimize the potential damaging effects of oxidative stress, reduce the number of cells needed for tissue replenishment, and as a consequence, perhaps occupy unique niches. Quiescent stem cells are found in many adult human tissues, the hematopoietic stem cells are paradigmatic, and more recently it appears that stem cell of the germ line in many animals display quiescence characters. Here we explore the diversity of quiescence phenotypes in primordial germ cells, leveraging the diverse mechanisms of germ cell formation to extract evolutionary significance to common processes...
November 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29156376/comparative-transcriptomic-analysis-of-endothelial-progenitor-cells-derived-from-umbilical-cord-blood-and-adult-peripheral-blood-implications-for-the-generation-of-induced-pluripotent-stem-cells
#6
Xiugong Gao, Jeffrey J Yourick, Robert L Sprando
Induced pluripotent stem cells (iPSCs) offer the potential to generate tissues with ethnic diversity enabling toxicity testing on selected populations. Recently, it has been reported that endothelial progenitor cells (EPCs) derived from umbilical cord blood (CB) or adult peripheral blood (PB) afford a practical and efficient cellular substrate for iPSC generation. However, differences between EPCs from different blood sources have rarely been studied. In the current study, we derived EPCs from blood mononuclear cells (MNCs) and reprogrammed EPCs into iPSCs...
November 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29156374/genetic-profiling-and-surface-proteome-analysis-of-human-atrial-stromal-cells-and-rat-ventricular-epicardium-derived-cells-reveals-novel-insights-into-their-cardiogenic-potential
#7
Sebastian Temme, Daniela Friebe, Timo Schmidt, Gereon Poschmann, Julia Hesse, Bodo Steckel, Kai Stühler, Meik Kunz, Thomas Dandekar, Zhaoping Ding, Payam Akhyari, Artur Lichtenberg, Jürgen Schrader
Epicardium-derived cells (EPDC) and atrial stromal cells (ASC) display cardio-regenerative potential, but the molecular details are still unexplored. Signals which induce activation, migration and differentiation of these cells are largely unknown. Here we have isolated rat ventricular EPDC and rat/human ASC and performed genetic and proteomic profiling. EPDC and ASC expressed epicardial/mesenchymal markers (WT-1, Tbx18, CD73, CD90, CD44, CD105), cardiac markers (Gata4, Tbx5, troponin T) and also contained phosphocreatine...
November 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29145128/microgravity-simulation-activates-cdc42-via-rap1gds1-to-promote-vascular-branch-morphogenesis-during-vasculogenesis
#8
Shouli Wang, Zhao Yin, Bei Zhao, Yanmei Qi, Jie Liu, Saum A Rahimi, Leonard Y Lee, Shaohua Li
Gravity plays an important role in normal tissue maintenance. The ability of stem cells to repair tissue loss in space through regeneration and differentiation remains largely unknown. To investigate the impact of microgravity on blood vessel formation from pluripotent stem cells, we employed the embryoid body (EB) model for vasculogenesis and simulated microgravity by clinorotation. We first differentiated mouse embryonic stem cells into cystic EBs containing two germ layers and then analyzed vessel formation under clinorotation...
November 7, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29156377/establishment-of-induced-pluripotent-stem-cell-line-zzui010-a-from-an-alzheimer-s-disease-patient-carrying-an-app-gene-mutation
#9
Zhilei Wang, Pei Zhang, Yanlin Wang, Changhe Shi, Na Jing, Huifang Sun, Jing Yang, Yutao Liu, Xuejun Wen, Jin Zhang, Shoutao Zhang, Yuming Xu
Alzheimer's disease (AD) is one of the most common neurodegenerative disorders. Previous studies have identified mutations in several genes, such as amyloid precursor protein (APP), presenilin-1 (PSEN1), and presenilin-2 (PSEN2), in patients with early-onset (<65years) familial AD. Recently, a patient with an APP gene mutation was identified; the dermal fibroblasts of the patient were obtained and a line of induced pluripotent stem cells (iPSCs) was successfully generated using the Sendai-virus (SeV) delivery system...
November 3, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29128816/generation-of-induced-pluripotent-stem-cell-line-zzui005-a-from-a-21-year-old-patient-with-a-novel-rab39b-gene-mutation-in-x-linked-juvenile-parkinsonism
#10
Yanlin Wang, Huifang Sun, Zhilei Wang, Zhihua Yang, Mengmeng Shi, Jing Yang, Yutao Liu, Han Liu, Shuo Zhang, Changhe Shi, Yuming Xu
Ras-related protein 39B (RAB39B) mutation has been reported as a potential cause of X-linked Parkinson's disease (PD), a rare form of familial PD. Recently, a novel RAB39B mutation was identified in an X-linked juvenile parkinsonism family and the dermal fibroblasts of the patient were obtained and successfully induced to induced pluripotent stem cells (iPSCs) by the human OSKM transcription factors using the Sendai-virus delivery system. Our model may offer a good platform for further research of the pathomechanism, drug testing, and gene therapy of this disease...
November 3, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29127873/local-angiotensin-ii-promotes-adipogenic-differentiation-of-human-adipose-tissue-mesenchymal-stem-cells-through-type-2-angiotensin-receptor
#11
Veronika Y Sysoeva, Liudmila V Ageeva, Pyotr A Tyurin-Kuzmin, George V Sharonov, Daniyar T Dyikanov, Natalia I Kalinina, Vsevolod A Tkachuk
Obesity is often associated with high systemic and local activity of renin-angiotensin system (RAS). Mesenchymal stem cells of adipose tissue are the main source of adipocytes. The aim of this study was to clarify how local RAS could control adipose differentiation of human adipose tissue derived mesenchymal stem cells (ADSCs). We examined the distribution of angiotensin receptor expressing cells in human adipose tissue and found that type 1 and type 2 receptors are co-expressed in its stromal compartment, which is known to contain mesenchymal stem cells...
November 3, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29156375/downregulation-of-the-protein-synthesis-machinery-is-a-major-regulatory-event-during-early-adipogenic-differentiation-of-human-adipose-derived-stromal-cells
#12
Bruna H Marcon, Fabíola B Holetz, Guillermo Eastman, Ana Carolina Origa-Alves, Mariana Andrea Amorós, Alessandra Melo de Aguiar, Carmen K Rebelatto, Paulo R S Brofman, Jose Sotelo-Silveira, Bruno Dallagiovanna
Commitment of adult stem cells involves the activation of specific gene networks regulated from transcription to protein synthesis. Here, we used ribosome profiling to identify mRNAs regulated at the translational level, through both differential association to polysomes and modulation of their translational rates. We observed that translational regulation during the differentiation of human adipose-derived stromal cells (hASCs, also known as adipose-derived mesenchymal stem cells), a subset of which are stem cells, to adipocytes was a major regulatory event...
November 1, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29136563/generation-of-human-ipsc-line-from-a-patient-with-laterality-defects-and-associated-congenital-heart-anomalies-carrying-a-dand5-missense-alteration
#13
Fernando Cristo, José M Inácio, Graça Rosas, Isabel Marques Carreira, Joana Barbosa Melo, Luís Pereira de Almeida, Patrícia Mendes, Duarte Saraiva Martins, José Maio, Rui Anjos, José A Belo
A human iPSC line was generated from exfoliated renal epithelial (ERE) cells of a patient affected with Congenital Heart Disease (CHD) and Laterality Defects carrying tshe variant p.R152H in the DAND5 gene. The transgene-free iPSCs were generated with the human OSKM transcription factor using the Sendai-virus reprogramming system. The established iPSC line had the specific heterozygous alteration, a stable karyotype, expressed pluripotency markers and generated embryoid bodies that can differentiate towards the three germ layers in vitro...
October 31, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29127874/generation-of-induced-pluripotent-stem-cells-from-a-patient-with-parkinson-s-disease-carrying-lrrk2-p-i2012t-mutation
#14
Chin-Hsien Lin, Yu-Che Cheng, Han-I Lin, Ming-Ching Ho, Yu-Hung Hsu, Cheng-Hao Wen, Hui-Wen Ko, Huai-En Lu, Ching-Ying Huang, Patrick C H Hsieh
Parkinson's disease (PD) is a progressive neurodegenerative disorder caused by interactions between genetic and environmental factors. Leucine rich repeat kinase (LRRK2) is the most prevalent mutation in autosomal-dominant inheritance of PD. Here, we generated induced pluripotent stem cells (iPSCs) from the peripheral blood mononuclear cells of a female patient with p.I2012T mutation in LRRK2 gene by using the Sendai-virus delivery system. The resulting iPSCs had a normal karyotype. The iPSCs also showed pluripotency confirmed by immunofluorescent staining and differentiated into the 3 germ layers in vivo...
October 31, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29127875/derivation-of-the-duchenne-muscular-dystrophy-patient-derived-induced-pluripotent-stem-cell-line-lacking-dmd-exons-49-and-50-ccmi001dmd-a-3-%C3%A2-49-%C3%A2-50
#15
Gabriella Spaltro, Vera Vigorelli, Federica Casalnuovo, Pietro Spinelli, Elisa Castiglioni, Davide Rovina, Stefania Paganini, Marina Di Segni, Patrizia Nigro, Cristina Gervasini, Giulio Pompilio, Aoife Gowran
Duchenne muscular dystrophy (DMD) is caused by abnormalities in the dystrophin gene and is clinically characterised by childhood muscle degeneration and cardiomyopathy. We produced an induced pluripotent stem cell line from a DMD patient's dermal fibroblasts by electroporation with episomal vectors containing: hL-MYC, hLIN28, hSOX2, hKLF4, hOCT3/4. The resultant DMD iPSC line (CCMi001DMD-A-3) displayed iPSC morphology, expressed pluripotency markers, possessed trilineage differentiation potential and was karyotypically normal...
October 28, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29125995/a-human-ips-cell-myogenic-differentiation-system-permitting-high-throughput-drug-screening
#16
Tomoya Uchimura, Jun Otomo, Masae Sato, Hidetoshi Sakurai
Muscular dystrophy is a disease characterized by progressive muscle weakness and degeneration. There are currently no available treatments for most muscular diseases, such as muscular dystrophy. Moreover, current therapeutics are focused on improving the quality of life of patients by relieving the symptoms or stress caused by the disease. Although the causative genes for many muscular diseases have been identified, the mechanisms underlying their pathogenesis remain unclear. Patient-derived induced pluripotent stem cells (iPSCs) have become a powerful tool for understanding the pathogenesis of intractable diseases, as well as for phenotype screening, which can serve as the basis for developing new drugs...
October 28, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29121521/induced-pluripotent-stem-cells-derived-from-an-autosomal-dominant-polycystic-kidney-disease-patient-carrying-a-pkd1-q533x-mutation
#17
Jia-Jung Lee, Ming-Ching Ho, Ching-Ying Huang, Cheng-Hao Wen, Yu-Che Cheng, Yu-Hung Hsu, Daw-Yang Hwang, Huai-En Lu, Hung-Chun Chen, Patrick C H Hsieh
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is the most prevalent monogenic kidney disorder leading to kidney failure. We generated induced pluripotent stem cells (iPSCs) from a 37-year-old man carrying a PKD1 Q533X mutation who suffered from kidney failure and a myocardial infarction. The iPSCs were reprogrammed from the patient's peripheral blood mononuclear cells using the Sendai virus system, and were confirmed to possess the specific PKD1 Q533X mutation and normal karyotype. Pluripotency was confirmed using in vitro and in vivo assays...
October 28, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29125994/enhanced-human-somatic-cell-reprogramming-efficiency-by-fusion-of-the-myc-transactivation-domain-and-oct4
#18
Ling Wang, Delun Huang, Chang Huang, Yexuan Yin, Kaneha Vali, Ming Zhang, Young Tang
The development of human induced pluripotent stem cells (iPSCs) holds great promise for regenerative medicine. However the iPSC induction efficiency is still very low and with lengthy reprogramming process. We utilized the highly potent transactivation domain (TAD) of MYC protein to engineer the human OCT4 fusion proteins. Applying the MYC-TAD-OCT4 fusion proteins in mouse iPSC generation leads to shorter reprogramming dynamics, with earlier activation of pluripotent markers in reprogrammed cells than wild type OCT4 (wt-OCT4)...
October 26, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29112887/comparative-performance-analysis-of-human-ipsc-derived-and-primary-neural-progenitor-cells-npc-grown-as-neurospheres-in-vitro
#19
Maxi Hofrichter, Laura Nimtz, Julia Tigges, Yaschar Kabiri, Friederike Schröter, Brigitte Royer-Pokora, Barbara Hildebrandt, Martin Schmuck, Alexey Epanchintsev, Stephan Theiss, James Adjaye, Jean-Marc Egly, Jean Krutmann, Ellen Fritsche
Developmental neurotoxicity (DNT) testing performed in rats is resource-intensive (costs, time, animals) and bears the issue of species extrapolation. Thus, reliable alternative human-based approaches are needed for predicting neurodevelopmental toxicity. Human induced pluripotent stem cells (hiPSCs) represent a basis for an alternative method possibly being part of an alternative DNT testing strategy. Here, we compared two hiPSC neural induction protocols resulting in 3D neurospheres: one using noggin and one cultivating cells in neural induction medium (NIM protocol)...
October 26, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29080444/murine-pluripotent-stem-cells-with-a-homozygous-knockout-of-foxg1-show-reduced-differentiation-towards-cortical-progenitors-in-vitro
#20
Eva Maria Mall, Doris Herrmann, Heiner Niemann
Foxg1 is a transcription factor critical for the development of the mammalian telencephalon. Foxg1 controls the proliferation of dorsal telencephalon progenitors and the specification of the ventral telencephalon. Homozygous knockout of Foxg1 in mice leads to severe microcephaly, attributed to premature differentiation of telencephalic progenitors, mainly of cortical progenitors. Here, we analyzed the influence of a Foxg1 knockout on differentiation of murine pluripotent stem cells (mPSCs) in an in vitro model of neuronal development...
October 19, 2017: Stem Cell Research
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