keyword
MENU ▼
Read by QxMD icon Read
search

hIPSC

keyword
https://www.readbyqxmd.com/read/29150735/glycomics-of-human-embryonic-stem-cells-and-human-induced-pluripotent-stem-cells
#1
REVIEW
Jun-Ichi Furukawa, Kazue Okada, Yasuro Shinohara
Most cells are coated by a dense glycocalyx composed of glycoconjugates such as glycosphingolipids, glycoproteins, and proteoglycans. The overall glycomic profile is believed to be crucial for the diverse roles of glycans, which are mediated by specific interactions that regulate cell-cell adhesion, the immune response, microbial pathogenesis, and other cellular events. Many cell surface markers were discovered and identified as glycoconjugates such as stage-specific embryonic antigen, Tra-1-60/81 and various other cell surface molecules (e...
November 18, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/29143419/long-non-coding-rna-rp11-380d23-2-drives-distal-proximal-patterning-of-the-lung-by-regulating-pitx2-expression
#2
Poulomi Banerjee, Harshini Surendran, Kapil Bharti, Kaoru Morishita, Anurag Varshney, Rajarshi Pal
Early lung development is a tightly orchestrated process encompassing (a) formation of definitive endoderm, (b) anteriorization of definitive endoderm followed by (c) specification and maturation of both proximal and distal lung precursors. Several reports detailing the interaction of genes and proteins during lung development are available; however, studies reporting the role(s) of long non-coding RNAs (lncRNA) in lung morphogenesis are limited. To investigate this, we tailored a protocol for differentiation of human induced pluripotent stem cells into distal and proximal lung progenitors to mimic in vivo lung development...
November 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/29129686/naive-like-esrrb-ipscs-with-the-capacity-for-rapid-neural-differentiation
#3
Fumihiko Kisa, Seiji Shiozawa, Keisuke Oda, Sho Yoshimatsu, Mari Nakamura, Ikuko Koya, Kenji Kawai, Sadafumi Suzuki, Hideyuki Okano
Several groups have reported the existence of a form of pluripotency that resembles that of mouse embryonic stem cells (mESCs), i.e., a naive state, in human pluripotent stem cells; however, the characteristics vary between reports. The nuclear receptor ESRRB is expressed in mESCs and plays a significant role in their self-renewal, but its expression has not been observed in most naive-like human induced pluripotent stem cells (hiPSCs). In this study, we modified several methods for converting hiPSCs into a naive state through the transgenic expression of several reprogramming factors...
November 3, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29128905/down-syndrome-ipsc-derived-astrocytes-impair-neuronal-synaptogenesis-and-the-mtor-pathway-in-vitro
#4
Bruno H S Araujo, Carolini Kaid, Janaina S De Souza, Sérgio Gomes da Silva, Ernesto Goulart, Luiz C J Caires, Camila M Musso, Laila B Torres, Adriano Ferrasa, Roberto Herai, Mayana Zatz, Oswaldo K Okamoto, Esper A Cavalheiro
Several methods have been used to study the neuropathogenesis of Down syndrome (DS), such as mouse aneuploidies, post mortem human brains, and in vitro cell culture of neural progenitor cells. More recently, induced pluripotent stem cell (iPSC) technology has offered new approaches in investigation, providing a valuable tool for studying specific cell types affected by DS, especially neurons and astrocytes. Here, we investigated the role of astrocytes in DS developmental disease and the impact of the astrocyte secretome in neuron mTOR signaling and synapse formation using iPSC derived from DS and wild-type (WT) subjects...
November 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29128818/comparison-of-2d-and-3d-neural-induction-methods-for-the-generation-of-neural-progenitor-cells-from-human-induced-pluripotent-stem-cells
#5
Abinaya Chandrasekaran, Hasan X Avci, Anna Ochalek, Lone N Rösingh, Kinga Molnár, Lajos László, Tamás Bellák, Annamária Téglási, Krisztina Pesti, Arpad Mike, Phetcharat Phanthong, Orsolya Bíró, Vanessa Hall, Narisorn Kitiyanant, Karl-Heinz Krause, Julianna Kobolák, András Dinnyés
Neural progenitor cells (NPCs) from human induced pluripotent stem cells (hiPSCs) are frequently induced using 3D culture methodologies however, it is unknown whether spheroid-based (3D) neural induction is actually superior to monolayer (2D) neural induction. Our aim was to compare the efficiency of 2D induction with 3D induction method in their ability to generate NPCs, and subsequently neurons and astrocytes. Neural differentiation was analysed at the protein level qualitatively by immunocytochemistry and quantitatively by flow cytometry for NPC (SOX1, PAX6, NESTIN), neuronal (MAP2, TUBB3), cortical layer (TBR1, CUX1) and glial markers (SOX9, GFAP, AQP4)...
October 14, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29128504/biophysical-comparison-of-sodium-currents-in-native-cardiac-myocytes-and-human-induced-pluripotent-stem-cell-derived-cardiomyocytes
#6
Robert J Goodrow, Suveer Desai, Jacqueline A Treat, Brian K Panama, Mayurika Desai, Vladislav V Nesterenko, Jonathan M Cordeiro
INTRODUCTION: Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) are used for safety pharmacology and to investigate genetic diseases affecting cardiac ion channels. It is unclear whether adult myocytes or hiPSC-CMs are the better platform for cardiac safety pharmacology. We examined the biophysical and molecular properties of INa in adult myocytes and hiPSC-CMs. METHODS: hiPSC-CMs were plated at low density. Atrial and ventricular cells were obtained from dog hearts...
November 8, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29125995/a-human-ips-cell-myogenic-differentiation-system-permitting-high-throughput-drug-screening
#7
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/29123220/significance-of-dopamine-d1-receptor-signalling-for-steroidogenic-differentiation-of-human-induced-pluripotent-stem-cells
#8
Koji Matsuo, Masakatsu Sone, Kyoko Honda-Kohmo, Takafumi Toyohara, Takuhiro Sonoyama, Daisuke Taura, Katsutoshi Kojima, Yorihide Fukuda, Youichi Ohno, Mayumi Inoue, Akira Ohta, Kenji Osafune, Kazuwa Nakao, Nobuya Inagaki
Human induced pluripotent stem cells (hiPSCs) are expected to be both a revolutionary cell source for regenerative medicine and a powerful tool to investigate the molecular mechanisms underlying human cell development in vitro. In the present study, we tried to elucidate the steroidogenic differentiation processes using hiPSC-derived intermediate mesoderm (IM) that is known to be the origin of the human adrenal cortex and gonads. We first performed chemical screening to identify small molecules that induce steroidogenic differentiation of IM cells expressing Odd-skipped related 1 (OSR1), an early IM marker...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29119024/effects-of-propofol-treatment-in-neural-progenitors-derived-from-human-induced-pluripotent-stem-cells
#9
Bo Long, Shenglan Li, Haipeng Xue, Li Sun, Dong H Kim, Ying Liu
Propofol is an intravenous anesthetic that has been widely used in clinics. Besides its anesthetic effects, propofol has also been reported to influence the regulation of the autonomic system. Controversies exist with regard to whether propofol exposure is safe for pregnant women and young children. In this work, human-induced pluripotent stem cell- (hiPSC-) derived neural progenitor cells (NPCs) were treated with propofol at 20, 50, 100, or 300 μM for 6 h or 24 h, and acute and subacute cell injury, cell proliferation, and apoptosis were evaluated...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/29118436/combining-membrane-proteomics-and-computational-three-way-pathway-analysis-revealed-signalling-pathways-preferentially-regulated-in-human-ipscs-and-human-escs
#10
Wei-Sheng Tien, Pei-Mien Chen, Ching-Yu Chuang, Shook-Mun Lui, Hung-Chih Kuo, Yu-Ju Chen, Kun-Pin Wu
Owing to the clinical potential of human induced pluripotent stem cells (hiPSCs) in regenerative medicine, a thorough examination of the similarities and differences between hiPSCs and human embryonic stem cells (hESCs) has become indispensable. Moreover, as the important roles of membrane proteins in biological signalling, functional analyses of membrane proteome are therefore promising. In this study, a pathway analysis by the bioinformatics tool GSEA was first performed to identify significant pathways associated with the three comparative membrane proteomics experiments: hiPSCs versus precursor human foreskin fibroblasts (HFF), hESCs versus precursor HFF, and hiPSCs versus hESCs...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29117787/reprogramming-of-adult-peripheral-blood-cells-into-human-induced-pluripotent-stem-cells-as-a-safe-and-accessible-source-of-endothelial-cells
#11
Pavel Simara, Lenka Tesarova, Daniela Rehakova, Simon Farkas, Barbara Salingova, Katerina Kutalkova, Eva Vavreckova, Pavel Matula, Petr Matula, Lenka Veverkova, Irena Koutna
New approaches in regenerative medicine and vasculogenesis have generated a demand for sufficient numbers of human endothelial cells (ECs). ECs and their progenitors (EPCs) reside on the interior surface of blood and lymphatic vessels or circulate in peripheral blood; however, their numbers are limited and they are difficult to expand after isolation. Recent advances in human induced pluripotent stem cell (hiPSC) research have opened possible avenues to generate unlimited numbers of ECs from easily accessible cell sources, such as the peripheral blood...
November 8, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29112887/comparative-performance-analysis-of-human-ipsc-derived-and-primary-neural-progenitor-cells-npc-grown-as-neurospheres-in-vitro
#12
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/29110329/transplantation-of-feeder-free-human-induced-pluripotent-stem-cell-derived-cortical-neuron-progenitors-in-adult-male-wistar-rats-with-focal-brain-ischemia
#13
Yulius Hermanto, Tadashi Sunohara, Ahmad Faried, Yasushi Takagi, Jun Takahashi, Takakuni Maki, Susumu Miyamoto
The use of human induced pluripotent stem cells (hiPSCs) eliminates the ethical issues associated with fetal or embryonic materials, thus allowing progress in cell therapy research for ischemic stroke. Strict regulation of cell therapy development requires the xeno-free condition to eliminate clinical complications. Maintenance of hiPSCs with feeder-free condition presents a higher degree of spontaneous differentiation in comparison with conventional cultures. Therefore, feeder-free derivation might be not ideal for developing transplantable hiPSC derivatives...
November 7, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29107590/human-pluripotent-stem-cell-derived-cardiac-tissue-like-constructs-for-repairing-the-infarcted-myocardium
#14
Junjun Li, Itsunari Minami, Motoko Shiozaki, Leqian Yu, Shin Yajima, Shigeru Miyagawa, Yuji Shiba, Nobuhiro Morone, Satsuki Fukushima, Momoko Yoshioka, Sisi Li, Jing Qiao, Xin Li, Lin Wang, Hidetoshi Kotera, Norio Nakatsuji, Yoshiki Sawa, Yong Chen, Li Liu
High-purity cardiomyocytes (CMs) derived from human induced pluripotent stem cells (hiPSCs) are promising for drug development and myocardial regeneration. However, most hiPSC-derived CMs morphologically and functionally resemble immature rather than adult CMs, which could hamper their application. Here, we obtained high-quality cardiac tissue-like constructs (CTLCs) by cultivating hiPSC-CMs on low-thickness aligned nanofibers made of biodegradable poly(D,L-lactic-co-glycolic acid) polymer. We show that multilayered and elongated CMs could be organized at high density along aligned nanofibers in a simple one-step seeding process, resulting in upregulated cardiac biomarkers and enhanced cardiac functions...
November 14, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29101218/discovery-of-novel-small-molecule-inducers-of-heme-oxygenase-1-that-protect-human-ipsc-derived-cardiomyocytes-from-oxidative-stress
#15
R Jason Kirby, Daniela B Divlianska, Kanupriya Whig, Nadezda Bryan, Camilo J Morfa, Ada Koo, Becky L Hood, Kevin H Nguyen, Patrick Maloney, Satayamaheshwar Peddibhotla, E Hampton Sessions, Paul M Hershberger, Layton H Smith, Siobhan Malany
Oxidative injury to cardiomyocytes plays a critical role in cardiac pathogenesis following myocardial infarction. Transplantation of stem cell-derived cardiomyocytes has recently progressed as a novel treatment to repair damaged cardiac tissue but its efficacy has been limited by poor survival of transplanted cells due to oxidative stress in the post-transplantation environment. Identification of small molecules that activate cardioprotective pathways to prevent oxidative damage and increase survival of stem cells post-transplantation is therefore of great interest to improve the efficacy of stem cell therapies...
November 3, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29075799/nonintegrating-human-somatic-cell-reprogramming-methods
#16
Thorsten M Schlaeger
Traditional biomedical research and preclinical studies frequently rely on animal models and repeatedly draw on a relatively small set of human cell lines, such as HeLa, HEK293, HepG2, HL60, and PANC1 cells. However, animal models often fail to reproduce important clinical phenotypes and conventional cell lines only represent a small number of cell types or diseases, have very limited ethnic/genetic diversity, and either senesce quickly or carry potentially confounding immortalizing mutations. In recent years, human pluripotent stem cells have attracted a lot of attention, in part because these cells promise more precise modeling of human diseases...
October 27, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29075321/modeling-the-behavior-of-human-induced-pluripotent-stem-cells-seeded-on-melt-electrospun-scaffolds
#17
Meghan E Hall, Nima Khadem Mohtaram, Stephanie M Willerth, Roderick Edwards
BACKGROUND: Human induced pluripotent stem cells (hiPSCs) can form any tissue found in the body, making them attractive for regenerative medicine applications. Seeding hiPSC aggregates into biomaterial scaffolds can control their differentiation into specific tissue types. Here we develop and analyze a mathematical model of hiPSC aggregate behavior when seeded on melt electrospun scaffolds with defined topography. RESULTS: We used ordinary differential equations to model the different cellular populations (stem, progenitor, differentiated) present in our scaffolds based on experimental results and published literature...
2017: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29075196/an-automated-platform-for-assessment-of-congenital-and-drug-induced-arrhythmia-with-hipsc-derived-cardiomyocytes
#18
Wesley L McKeithan, Alex Savchenko, Michael S Yu, Fabio Cerignoli, Arne A N Bruyneel, Jeffery H Price, Alexandre R Colas, Evan W Miller, John R Cashman, Mark Mercola
The ability to produce unlimited numbers of human induced pluripotent stem cell derived cardiomyocytes (hiPSC-CMs) harboring disease and patient-specific gene variants creates a new paradigm for modeling congenital heart diseases (CHDs) and predicting proarrhythmic liabilities of drug candidates. However, a major roadblock to implementing hiPSC-CM technology in drug discovery is that conventional methods for monitoring action potential (AP) kinetics and arrhythmia phenotypes in vitro have been too costly or technically challenging to execute in high throughput...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29071402/acquired-genetic-and-epigenetic-variation-in-human-pluripotent-stem-cells
#19
O Kyriakides, J A Halliwell, P W Andrews
Human pluripotent stem cells (hPSCs) can acquire non-random genomic variation during culture. Some of these changes are common in tumours and confer a selective growth advantage in culture. Additionally, there is evidence that reprogramming of human induced pluripotent stem cells (hiPSCs) introduces mutations. This poses a challenge to both the safety of clinical applications and the reliability of basic research using hPSCs carrying genomic variation. A number of methods are available for monitoring the genomic integrity of hPSCs, and a balance between practicality and sensitivity must be considered in choosing the appropriate methods for each use of hPSCs...
October 26, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29066291/in-silico-assessment-of-the-effects-of-various-compounds-in-mea-hipsc-cm-assays-modeling-and-numerical-simulations
#20
Emanuela Abbate, Muriel Boulakia, Yves Coudière, Jean-Frédéric Gerbeau, Philippe Zitoun, Nejib Zemzemi
We propose a mathematical approach for the analysis of drugs effects on the electrical activity of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) based on multi-electrode array (MEA) experiments. Our goal is to produce an in silico tool able to simulate drugs action in MEA/hiPSC-CM assays. The mathematical model takes into account the geometry of the MEA and the electrodes' properties. The electrical activity of the stem cells at the ion-channel level is governed by a system of ordinary differential equations (ODEs)...
October 21, 2017: Journal of Pharmacological and Toxicological Methods
keyword
keyword
116084
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"