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Lung iPSC

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https://www.readbyqxmd.com/read/29123113/talen-mediated-functional-correction-of-human-ipsc-derived-macrophages-in-context-of-hereditary-pulmonary-alveolar-proteinosis
#1
Alexandra Kuhn, Mania Ackermann, Claudio Mussolino, Toni Cathomen, Nico Lachmann, Thomas Moritz
Hereditary pulmonary alveolar proteinosis (herPAP) constitutes a rare, life threatening lung disease characterized by the inability of alveolar macrophages to clear the alveolar airspaces from surfactant phospholipids. On a molecular level, the disorder is defined by a defect in the CSF2RA gene coding for the GM-CSF receptor alpha-chain (CD116). As therapeutic options are limited, we currently pursue a cell and gene therapy approach aiming for the intrapulmonary transplantation of gene-corrected macrophages derived from herPAP-specific induced pluripotent stem cells (herPAP-iPSC) employing transcriptional activator-like effector nucleases (TALENs)...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115383/induced-pluripotent-stem-cell-conditioned-medium-suppresses-pulmonary-fibroblast-to-myofibroblast-differentiation-via-the-inhibition-of-tgf-%C3%AE-1-smad-pathway
#2
Yan Zhou, Qiang Zhang, Yuan Gao, Mingqi Tan, Rui Zheng, Li Zhao, Xiaoye Zhang
Therapeutic strategies based on stem cells have been shown to have potential in improving the condition of severe lung diseases. In this study, the suppressive effects of conditioned medium (CM) of induced pluripotent stem cells (iPSCs) on pulmonary fibroblast differentiation were investigated in a series of in vitro and in vivo experiments. Moreover, the underlying mechanisms through which iPSC-CM inhibited the differentiation of fibroblasts into myofibroblasts were explored as well. iPSCs were generated using a mouse 3-gene transfection method, myofibroblast-like cells were induced by incubating human fibroblasts with transforming growth factor-β1 (TGF-β1) and mouse models of pulmonary fibrosis (PF) were established by an injection of bleomycin...
October 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29056548/human-induced-pluripotent-stem-cell-derived-lung-progenitor-and-alveolar-epithelial-cells-attenuate-hyperoxia-induced-lung-injury
#3
Mehdi Shafa, Lavinia Iuliana Ionescu, Arul Vadivel, Jennifer J P Collins, Liqun Xu, Shumei Zhong, Martin Kang, Geneviève de Caen, Manijeh Daneshmand, Jenny Shi, Katherine Z Fu, Andrew Qi, Ying Wang, James Ellis, William L Stanford, Bernard Thébaud
BACKGROUND AIMS: Bronchopulmonary dysplasia (BPD), a chronic lung disease characterized by disrupted lung growth, is the most common complication in extreme premature infants. BPD leads to persistent pulmonary disease later in life. Alveolar epithelial type 2 cells (AEC2s), a subset of which represent distal lung progenitor cells (LPCs), promote normal lung growth and repair. AEC2 depletion may contribute to persistent lung injury in BPD. We hypothesized that induced pluripotent stem cell (iPSC)-derived AECs prevent lung damage in experimental oxygen-induced BPD...
October 20, 2017: Cytotherapy
https://www.readbyqxmd.com/read/29024475/bioengineered-lungs-generated-from-human-ipscs-derived-epithelial-cells-on-native-extracellular-matrix
#4
Mahboobe Ghaedi, Andrew V Le, Go Hatachi, Arkadi Beloiartsev, Kevin Rocco, Amogh Sivarapatna, Julio J Mendez, Pavlina Baevova, Rachel N Dyal, Katie L Leiby, Eric S White, Laura E Niklason
Controls on the spatiotemporal extent of groundwater flooding are poorly understood, despite the long duration of groundwater flood events and distinct social and economic impacts. We developed a novel approach using statistical analysis of groundwater level hydrographs and impulse response functions (IRFs) and applied it to the 2013/14 Chalk groundwater flooding in the English Lowlands. We proposed a standardised index of groundwater flooding which we calculated for monthly groundwater levels for 26 boreholes in the Chalk...
October 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28987320/lung-development-regeneration-and-plasticity-from-disease-physiopathology-to-drug-design-using-induced-pluripotent-stem-cells
#5
REVIEW
Engi Ahmed, Caroline Sansac, Said Assou, Delphine Gras, Aurélie Petit, Isabelle Vachier, Pascal Chanez, John De Vos, Arnaud Bourdin
Lungs have a complex structure composed of different cell types that form approximately 17 million airway branches of gas-delivering bronchioles connected to 500 million gas-exchanging alveoli. Airways and alveoli are lined by epithelial cells that display a low rate of turnover at steady-state, but can regenerate the epithelium in response to injuries. Here, we review the key points of lung development, homeostasis and epithelial cell plasticity in response to injury and disease, because this knowledge is required to develop new lung disease treatments...
October 4, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28935813/asxl3-is-a-novel-pluripotency-factor-in-human-respiratory-epithelial-cells-and-a-potential-therapeutic-target-in-small-cell-lung-cancer
#6
Vivek Shukla, Mahadev Rao, Hongen Zhang, Jeanette Beers, Darawalee Wangsa, Danny Wangsa, Floryne O Buishand, Yonghong Wang, Zhiya Yu, Holly S Stevenson, Emily S Reardon, Kaitlin C McLoughlin, Andrew S Kaufman, Eden C Payabyab, Julie A Hong, Mary Zhang, Sean Davis, Daniel Edelman, Guokai Chen, Markku M Miettinen, Nicholas P Restifo, Thomas Ried, Paul A Meltzer, David S Schrump
In this study, we generated induced pluripotent stem cells (iPSC) from normal human small airway epithelial cells (SAEC) to investigate epigenetic mechanisms of stemness and pluripotency in lung cancers. We documented key hallmarks of reprogramming in lung iPSCs (Lu-iPSC) that coincided with modulation of more than 15,000 genes relative to parental SAECs. Of particular novelty, we identified the PRC2-associated protein, ASXL3, which was markedly upregulated in Lu-iPSCs and small cell lung cancer (SCLC) lines and clinical specimens...
November 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28922348/stem-cell-biology-and-regenerative-medicine-for-neonatal-lung-diseases
#7
REVIEW
Martin Kang, Bernard Thébaud
Lung diseases remain one of the main causes of morbidity and mortality in neonates. Cell therapy and regenerative medicine have the potential to revolutionize the management of life-threatening and debilitating lung diseases that currently lack effective treatments. Over the past decade, the repair capabilities of stem/progenitor cells have been harnessed to prevent/rescue lung damage in experimental neonatal lung diseases. Mesenchymal stromal cells and amnion epithelial cells exert pleiotropic effects and represent ideal therapeutic cells for bronchopulmonary dysplasia, a multifactorial disease...
October 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28911970/mesenchymal-stem-cells-alleviate-oxidative-stress-induced-mitochondrial-dysfunction-in-the-airways
#8
Xiang Li, Charalambos Michaeloudes, Yuelin Zhang, Coen H Wiegman, Ian M Adcock, Qizhou Lian, Judith C W Mak, Pankaj K Bhavsar, Kian Fan Chung
BACKGROUND: Oxidative stress-induced mitochondrial dysfunction can contribute to inflammation and remodeling in patients with chronic obstructive pulmonary disease (COPD). Mesenchymal stem cells protect against lung damage in animal models of COPD. It is unknown whether these effects occur through attenuating mitochondrial dysfunction in airway cells. OBJECTIVE: We sought to examine the effect of induced pluripotent stem cell-derived mesenchymal stem cells (iPSC-MSCs) on oxidative stress-induce mitochondrial dysfunction in human airway smooth muscle cells (ASMCs) in vitro and in mouse lungs in vivo...
September 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28830860/human-pluripotent-stem-cell-derived-tsc2-haploinsufficient-smooth-muscle-cells-recapitulate-features-of-lymphangioleiomyomatosis
#9
Lisa M Julian, Sean P Delaney, Ying Wang, Alexander A Goldberg, Carole Doré, Julien Yockell-Lelièvre, Roger Y Tam, Krinio Giannikou, Fiona McMurray, Molly S Shoichet, Mary-Ellen Harper, Elizabeth P Henske, David J Kwiatkowski, Thomas N Darling, Joel Moss, Arnold S Kristof, William L Stanford
Lymphangioleiomyomatosis (LAM) is a progressive destructive neoplasm of the lung associated with inactivating mutations in the TSC1 or TSC2 tumor suppressor genes. Cell or animal models that accurately reflect the pathology of LAM have been challenging to develop. Here, we generated a robust human cell model of LAM by reprogramming TSC2 mutation-bearing fibroblasts from a patient with both tuberous sclerosis complex (TSC) and LAM (TSC-LAM) into induced pluripotent stem cells (iPSC), followed by selection of cells that resemble those found in LAM tumors by unbiased in vivo differentiation...
October 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28802115/production-of-high-purity-alveolar-like-cells-from-ipscs-through-depletion-of-uncommitted-cells-after-afe-induction
#10
Adam Mitchell, Charles T Drinnan, Todd Jensen, Christine Finck
Protocols to differentiate induced pluripotent stem cells (iPSCs) into specialized cells are continually evolving. iPSCs can be differentiated to alveolar cells with protocols that focus on development, specifically by inducing differentiation into definitive endoderm (DE), anterior foregut endoderm (AFE) and then lung bud progenitor intermediaries. However, current protocols result in a relatively low yield of the desired alveolar cells. The aim of this study was to evaluate whether depleting uncommitted cells after AFE induction would have a beneficial effect on alveolar cell yield...
August 3, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/28782268/reprogramming-antagonizes-the-oncogenicity-of-hoxa13-long-noncoding-rna-hottip-axis-in-gastric-cancer-cells
#11
Deng-Chyang Wu, Sophie S W Wang, Chung-Jung Liu, Kenly Wuputra, Kohsuke Kato, Yen-Liang Lee, Ying-Chu Lin, Ming-Ho Tsai, Chia-Chen Ku, Wen-Hsin Lin, Shin-Wei Wang, Shotaro Kishikawa, Michiya Noguchi, Chu-Chieh Wu, Yi-Ting Chen, Chee-Yin Chai, Chen-Lung Steve Lin, Kung-Kai Kuo, Ya-Han Yang, Hiroyuki Miyoshi, Yukio Nakamura, Shigeo Saito, Kyosuke Nagata, Chang-Shen Lin, Kazunari K Yokoyama
Reprogramming of cancer cells into induced pluripotent stem cells (iPSCs) is a compelling idea for inhibiting oncogenesis, especially through modulation of homeobox proteins in this reprogramming process. We examined the role of various long noncoding RNAs (lncRNAs)-homeobox protein HOXA13 axis on the switching of the oncogenic function of bone morphogenetic protein 7 (BMP7), which is significantly lost in the gastric cancer cell derived iPS-like cells (iPSLCs). BMP7 promoter activation occurred through the corecruitment of HOXA13, mixed-lineage leukemia 1 lysine N-methyltransferase, WD repeat-containing protein 5, and lncRNA HoxA transcript at the distal tip (HOTTIP) to commit the epigenetic changes to the trimethylation of lysine 4 on histone H3 in cancer cells...
August 7, 2017: Stem Cells
https://www.readbyqxmd.com/read/28723550/induced-pluripotent-stem-cell-derived-primitive-macrophages-provide-a-platform-for-modeling-tissue-resident-macrophage-differentiation-and-function
#12
Kazuyuki Takata, Tatsuya Kozaki, Christopher Zhe Wei Lee, Morgane Sonia Thion, Masayuki Otsuka, Shawn Lim, Kagistia Hana Utami, Kerem Fidan, Dong Shin Park, Benoit Malleret, Svetoslav Chakarov, Peter See, Donovan Low, Gillian Low, Marta Garcia-Miralles, Ruizhu Zeng, Jinqiu Zhang, Chi Ching Goh, Ahmet Gul, Sandra Hubert, Bernett Lee, Jinmiao Chen, Ivy Low, Nurhidaya Binte Shadan, Josephine Lum, Tay Seok Wei, Esther Mok, Shohei Kawanishi, Yoshihisa Kitamura, Anis Larbi, Michael Poidinger, Laurent Renia, Lai Guan Ng, Yochai Wolf, Steffen Jung, Tamer Önder, Evan Newell, Tara Huber, Eishi Ashihara, Sonia Garel, Mahmoud A Pouladi, Florent Ginhoux
Tissue macrophages arise during embryogenesis from yolk-sac (YS) progenitors that give rise to primitive YS macrophages. Until recently, it has been impossible to isolate or derive sufficient numbers of YS-derived macrophages for further study, but data now suggest that induced pluripotent stem cells (iPSCs) can be driven to undergo a process reminiscent of YS-hematopoiesis in vitro. We asked whether iPSC-derived primitive macrophages (iMacs) can terminally differentiate into specialized macrophages with the help of growth factors and organ-specific cues...
July 18, 2017: Immunity
https://www.readbyqxmd.com/read/28572916/ipscs-are-safe
#13
Hualong Yan, Yun-Bo Shi, Jing Huang
Induced pluripotent stem cells (iPSCs) hold great promises in cell therapy. However, the potential safety issues have dampened the enthusiasm of their clinical development. One of the biggest concerns came from the observations that genomic alterations exist in iPSCs. Using next generation sequencing of clonal skin fibroblasts and the iPSC clones derived from the same skin fibroblasts, Dr. Liu and his colleagues in the National Human Genome Research Institute, National Institutes of Health (NIH), USA, in collaboration with Dr...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28456659/n-myc-downstream-regulated-gene-1-ndrg1-promotes-the-stem-like-properties-of-lung-cancer-cells-through-stabilized-c-myc
#14
Yongfang Wang, You Zhou, Feng Tao, Shoujie Chai, Xia Xu, Ying Yang, Yiming Yang, Haiyan Xu, Kai Wang
Tumor-initiating cells (TICs) play an important role in tumorigenesis and development for many various tissue origin cancers including non-small cell lung cancer (NSCLC). However, the mechanism to maintain TICs in NSCLC is still largely unknown. Here, we evaluated differences of mRNA expression between parental and oncosphere cells that enriched TICs. We found that N-myc downstream regulated gene 1(NDRG1) was upregulated in oncosphere cells derived from human NSCLC cell lines and primary NSCLC cells. NDRG1 promoted stem-like properties of LTICs in NSCLC including iPSC (induced pluripotent stem cell) factors (OCT4, SOX2, KLF4, and C-MYC), the spheres-forming ability and the tumorigenicity of NSCLC...
August 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28429504/induced-pluripotent-stem-cells-reduce-neutrophil-chemotaxis-via-activating-grk2-in-endotoxin-induced-acute-lung-injury
#15
Vincent Yi-Fong Su, Shih-Hwa Chiou, Chi-Shiuan Lin, Wei-Chih Chen, Wen-Kuang Yu, Yen-Wen Chen, Cheng-Yu Chen, Kuang-Yao Yang
BACKGROUND AND OBJECTIVE: We investigated the effect of induced pluripotent stem cells (iPSCs) in moderating neutrophil chemotaxis in endotoxin-induced acute lung injury (ALI). METHODS: Male C57BL/6 mice at 8-12 weeks of age were studied. Murine iPSCs were delivered through the tail veins of mice 4 h after intratracheal instillation of endotoxin. Lung histopathological findings, neutrophil counts in peripheral blood and bronchoalveolar lavage fluid (BALF), bone marrow (BM) cell distribution, expression of chemokine receptors and regulatory signalling pathways were analysed after 24 h...
August 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28388536/long-noncoding-rna-ror-regulates-chemoresistance-in-docetaxel-resistant-lung-adenocarcinoma-cells-via-epithelial-mesenchymal-transition-pathway
#16
Yan Pan, Jing Chen, Leilei Tao, Kai Zhang, Rui Wang, Xiaoyuan Chu, Longbang Chen
Emerging evidence indicates that the dysregulation of long non-coding RNAs (lncRNAs) contributes to the development and progression of lung adenocarcinoma (LAD), however the underlying mechanism of action of lncRNAs remains unclear. It is well known that the effective treatment of cancers has been hindered by drug resistance in the clinical setting. Epithelial-mesenchymal transition (EMT) has been recognized to be involved in acquiring drug resistance, cell migration and invasion properties in several types of cancer...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28366587/efficient-derivation-of-functional-human-airway-epithelium-from-pluripotent-stem-cells-via-temporal-regulation-of-wnt-signaling
#17
Katherine B McCauley, Finn Hawkins, Maria Serra, Dylan C Thomas, Anjali Jacob, Darrell N Kotton
Effective derivation of functional airway organoids from induced pluripotent stem cells (iPSCs) would provide valuable models of lung disease and facilitate precision therapies for airway disorders such as cystic fibrosis. However, limited understanding of human airway patterning has made this goal challenging. Here, we show that cyclical modulation of the canonical Wnt signaling pathway enables rapid directed differentiation of human iPSCs via an NKX2-1(+) progenitor intermediate into functional proximal airway organoids...
June 1, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28356734/therapeutic-effects-of-proteoliposomes-on-x-linked-chronic-granulomatous-disease-proof-of-concept-using-macrophages-differentiated-from-patient-specific-induced-pluripotent-stem-cells
#18
Julie Brault, Guillaume Vaganay, Aline Le Roy, Jean-Luc Lenormand, Sandra Cortes, Marie José Stasia
Chronic granulomatous disease (CGD) is a rare inherited immunodeficiency due to dysfunction of the phagocytic nicotinamide adenine dinucleotide phosphate (NADPH) oxidase complex leading to severe and recurrent infections in early childhood. The main genetic form is the X-linked CGD leading to the absence of cytochrome b558 composed of NOX2 and p22 (phox) , the membrane partners of the NADPH oxidase complex. The first cause of death of CGD patients is pulmonary infections. Recombinant proteoliposome-based therapy is an emerging and innovative approach for membrane protein delivery, which could be an alternative local, targeted treatment to fight lung infections in CGD patients...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28073160/activation-of-the-c-jun-n-terminal-kinase-pathway-aggravates-proteotoxicity-of-hepatic-mutant-z-alpha1-antitrypsin
#19
COMPARATIVE STUDY
Nunzia Pastore, Sergio Attanasio, Barbara Granese, Raffaele Castello, Jeffrey Teckman, Andrew A Wilson, Andrea Ballabio, Nicola Brunetti-Pierri
Alpha1-antitrypsin deficiency is a genetic disease that can affect both the lung and the liver. The vast majority of patients harbor a mutation in the serine protease inhibitor 1A (SERPINA1) gene leading to a single amino acid substitution that results in an unfolded protein that is prone to polymerization. Alpha1-antitrypsin defciency-related liver disease is therefore caused by a gain-of-function mechanism due to accumulation of the mutant Z alpha1-antitrypsin (ATZ) and is a key example of an disease mechanism induced by protein toxicity...
June 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28057064/the-lncrnas-involved-in-mouse-airway-allergic-inflammation-following-induced-pluripotent-stem-cell-mesenchymal-stem-cell-treatment
#20
Shu-Yue Wang, Xing-Liang Fan, Qiu-Ning Yu, Meng-Xia Deng, Yue-Qi Sun, Wen-Xiang Gao, Cheng-Lin Li, Jian-Bo Shi, Qing-Ling Fu
BACKGROUND: We have previously reported that induced pluripotent stem cell (iPSC)-mesenchymal stem cells (MSCs) alleviated asthma inflammation in mice. Long noncoding RNAs (lncRNAs) were recently reported as being involved in the immune responses. However, whether lncRNAs are associated with iPSC-MSC immunomodulation in allergic inflammation is still unclear. METHODS: Mice were induced into an asthmatic state and received treatment consisting of iPSC-MSCs. Memory T cells isolated from sensitized mice were challenged and co-cultured with iPSC-MSCs in vitro...
January 6, 2017: Stem Cell Research & Therapy
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