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https://www.readbyqxmd.com/read/29773091/inactivated-sendai-virus-induces-ros-dependent-apoptosis-and-autophagy-in-human-prostate-cancer-cells
#1
Miao Qian, Hai Ming Tan, Ning Yu, Tao Wang, Quan Zhang
OBJECTIVE: The current study aims to investigate the effect of Hemagglutinating virus of Japan envelope (HVJ-E) on induction of apoptosis and autophagy in human prostate cancer PC3 cells, and the underlying mechanisms. METHODS: PC3 cells were treated with HVJ-E at various multiplicity of infection (MOI), and the generated reactive oxygen species (ROS), cell viability, apoptosis, and autophagy were detected, respectively. Next, the role of ROS played in the regulation of HVJ-E-induced apoptosis and autuphagy in PC3 cells were analysed...
April 2018: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29769346/porcine-deltacoronavirus-accessory-protein-ns6-antagonizes-ifn-%C3%AE-production-by-interfering-with-the-binding-of-rig-i-mda5-to-double-stranded-rna
#2
Puxian Fang, Liurong Fang, Jie Ren, Yingying Hong, Xiaorong Liu, Yunyang Zhao, Dang Wang, Guiqing Peng, Shaobo Xiao
Porcine deltacoronavirus (PDCoV) has recently emerged as an enteric pathogen that can cause serious vomiting and diarrhea in suckling piglets. The first outbreak of PDCoV occurred in the United States in 2014 and was followed by reports of PDCoV in South Korea, China, Thailand, Lao people's Democratic Republic, and Vietnam, leading to economic losses for pig farms and posing considerable threat to the swine industry worldwide. Our previous studies have shown that PDCoV encodes three accessory proteins, NS6, NS7, and NS7a, but the functions of these proteins in viral replication, pathogenesis, and immune regulation remain unclear...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29769344/efficient-delivery-of-hcmv-t-cell-antigens-by-attenuated-sendai-virus-vectors
#3
Richard Kiener, Markus Fleischmann, Marian Alexander Wiegand, Niels A W Lemmermann, Christiane Schwegler, Christine Kaufmann, Angelique Renzaho, Simone Thomas, Eva Felder, Hans Helmut Niller, Benedikt Asbach, Ralf Wagner
Human Cytomegalovirus (HCMV) represents a major cause of clinical complications during pregnancy as well as immunosuppression and the licensing of a protective HCMV vaccine remains an unmet global need. Herein, we designed and validated novel Sendai virus (SeV) vectors delivering T cell immunogens IE-1 and pp65. To enhance vector safety, we used a replication-deficient strain (rdSeV) that infects target cells in a non-productive manner while retaining viral gene expression. In this study, we explored the impact that transduction with rdSeV has on human dendritic cells (DCs) by comparing it to the parental, replication-competent Sendai virus strain (rcSeV) as well as the poxvirus strain Modified Vaccinia Ankara (MVA)...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29753274/blood-derived-integration-free-ips-cell-line-ukbi011-a-from-a-diagnosed-male-alzheimer-s-disease-patient-with-apoe-%C3%A9-4-%C3%A9-4-genotype
#4
Michael Peitz, Tamara Bechler, Catrin Cornelia Thiele, Monika Veltel, Melanie Bloschies, Klaus Fliessbach, Alfredo Ramirez, Oliver Brüstle
Alzheimer's disease (AD) is most the frequent neurodegenerative disease, and the APOE ε4 allele is the most prominent risk factor for late-onset AD. Here, we present an iPSC line generated from peripheral blood cells of a male AD patient employing Sendai virus vectors encoding the transcription factors OCT4, SOX2, KLF4 and c-MYC. The characterized iPSC line expresses typical human pluripotency markers and shows differentiation into all three germ layers, complete reprogramming vector clearance, a normal SNP genotype and maintenance of the APOE ε4/ε4 allele...
April 23, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29730570/generation-and-characterization-of-a-human-ips-cell-line-from-a-patient-related-control-to-study-disease-mechanisms-associated-with-dand5-p-r152h-alteration
#5
Selin Pars, Fernando Cristo, José M Inácio, Graça Rosas, Isabel Marques Carreira, Joana Barbosa Melo, Patrícia Mendes, Duarte Saraiva Martins, Luís Pereira de Almeida, José Maio, Rui Anjos, José A Belo
A DAND5-control human iPSC line was generated from the urinary cells of a phenotypically normal donor. Exfoliated renal epithelial (RE) cells were collected and reprogrammed into iPSCs using Sendai virus reprogramming system. The pluripotency, in vitro differentiation potential, karyotype stability, and the transgene-free status of generated iPSC line were analyzed and confirmed. This cell line can be exploited as a control iPSC line to better understand the mechanisms involved in DAND5-associated cardiac disease...
April 28, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29688809/usp7-trim27-axis-negatively-modulates-antiviral-type-i-ifn-signaling
#6
Juan Cai, Hong-Yan Chen, Shu-Jie Peng, Jun-Ling Meng, Yan Wang, Yu Zhou, Xiao-Ping Qian, Xiu-Yuan Sun, Xue-Wen Pang, Yu Zhang, Jun Zhang
Ubiquitination and deubiquitination are important post-translational regulatory mechanisms responsible for fine tuning the antiviral signaling. In this study, we identified a deubiquitinase, the ubiquitin-specific peptidase 7/herpes virus associated ubiquitin-specific protease (USP7/HAUSP) as an important negative modulator of virus-induced signaling. Overexpression of USP7 suppressed Sendai virus and polyinosinic-polycytidylic acid and poly(deoxyadenylic-deoxythymidylic)-induced ISRE and IFN-β activation, and enhanced virus replication...
April 24, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29686409/vibrio-vulnificus-quorum-sensing-molecule-cyclo-phe-pro-inhibits-rig-i-mediated-antiviral-innate-immunity
#7
Wooseong Lee, Seung-Hoon Lee, Minwoo Kim, Jae-Su Moon, Geon-Woo Kim, Hae-Gwang Jung, In Hwang Kim, Ji Eun Oh, Hi Eun Jung, Heung Kyu Lee, Keun Bon Ku, Dae-Gyun Ahn, Seong-Jun Kim, Kun-Soo Kim, Jong-Won Oh
The recognition of pathogen-derived ligands by pattern recognition receptors activates the innate immune response, but the potential interaction of quorum-sensing (QS) signaling molecules with host anti-viral defenses remains largely unknown. Here we show that the Vibrio vulnificus QS molecule cyclo(Phe-Pro) (cFP) inhibits interferon (IFN)-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation. Binding of cFP to the RIG-I 2CARD domain induces a conformational change in RIG-I, preventing the TRIM25-mediated ubiquitination to abrogate IFN production...
April 23, 2018: Nature Communications
https://www.readbyqxmd.com/read/29677590/generation-of-a-human-induced-pluripotent-stem-cell-line-from-urinary-cells-of-a-patient-with-primary-congenital-glaucoma-using-integration-free-sendai-technology
#8
Jingxue Zhang, Shen Wu, Man Hu, Qian Liu
We have generated a human induced pluripotent stem cell (iPSC) line derived from urinary cells of a 10years old patient with primary congenital glaucoma (PCG). The cells were reprogrammed with the human OSKM transcription factors using the Sendai-virus delivery system and shown to have full differentiation potential. The line is available and registered in the human pluripotent stem cell registry as BIOi001-A.
April 9, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29674172/generation-of-induced-pluripotent-stem-cells-from-a-patient-with-x-linked-juvenile-retinoschisis
#9
Chi-Hsien Peng, Kang-Chieh Huang, Huai-En Lu, Shih-Han Syu, Aliaksandr A Yarmishyn, Jyh-Feng Lu, Waradee Buddhakosai, Tai-Chi Lin, Chih-Chien Hsu, De-Kuang Hwang, Chia-Ning Shen, Shih-Jen Chen, Shih-Hwa Chiou
X-linked juvenile retinoschisis (XLRS) is a hereditary retinal dystrophy manifested as splitting of anatomical layers of retina. In this report, we generated a patient-specific induced pluripotent stem cell (iPSC) line, TVGH-iPSC-013-05, from the peripheral blood mononuclear cells of a male patient with XLRS by using the Sendai-virus delivery system. We believe that XLRS patient-specific iPSCs provide a powerful in vitro model for evaluating the pathological phenotypes of the disease.
April 11, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29670257/directed-reprogramming-of-comprehensively-characterized-dental-pulp-stem-cells-extracted-from-natal-tooth
#10
Rishikaysh V Pisal, Jakub Suchanek, Richard Siller, Tomas Soukup, Hana Hrebikova, Ales Bezrouk, David Kunke, Stanislav Micuda, Stanislav Filip, Gareth Sullivan, Jaroslav Mokry
The aim of this study was to extensively characterise natal dental pulp stem cells (nDPSC) and assess their efficiency to generate human induced pluripotent stem cells (hiPSC). A number of distinguishing features prompted us to choose nDPSC over normal adult DPSC, in that they differed in cell surface marker expression and initial doubling time. In addition, nDPSC expressed 17 out of 52 pluripotency genes we analysed, and the level of expression was comparable to human embryonic stem cells (hESC). Ours is the first group to report comprehensive characterization of nDPSC followed by directed reprogramming to a pluripotent stem cell state...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29660608/generation-and-characterization-of-two-human-ipsc-lines-from-patients-with-methylmalonic-acidemia-cblb-type
#11
E Richard, S Brasil, A Briso-Montiano, E Alonso-Barroso, M E Gallardo, B Merinero, M Ugarte, L R Desviat, B Pérez
Two human induced pluripotent stem cell (iPSC) lines were generated from fibroblasts of two siblings with methylmalonic acidemia cblB type carrying mutations in the MMAB gene: c.287T➔C (p.Ile96Thr) and a splicing loss-of-function variant c.584G➔A affecting the last nucleotide of exon 7 in MMAB (p.Ser174Cysfs*23). Reprogramming factors OCT3/4, SOX2, KLF4 and c-MYC were delivered using a non-integrative method based on the Sendai virus. Once established, iPSCs have shown full pluripotency, differentiation capacity and genetic stability...
April 5, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29660606/generation-of-induced-pluripotent-stem-cells-from-a-patient-with-best-dystrophy-carrying-11q12-3-best1-vmd2-mutation
#12
Chih-Chien Hsu, Huai-En Lu, Jen-Hua Chuang, Yu-Ling Ko, Yi-Ching Tsai, Hsiao-Yun Tai, Aliaksandr A Yarmishyn, De-Kuang Hwang, Mong-Lien Wang, Yi-Ping Yang, Shih-Jen Chen, Chi-Hsien Peng, Shih-Hwa Chiou, Tai-Chi Lin
Best disease (BD), also termed Best vitelliform macular dystrophy (BVMD), is a juvenile-onset form of macular degeneration and central visual loss. In this report, we generated an induced pluripotent stem cell (iPSC) line, TVGH-iPSC-012-04, from the peripheral blood mononuclear cells of a female patient with BD by using the Sendai virus delivery system. The resulting iPSCs retained the disease-causing DNA mutation, expressed pluripotent markers and could differentiate into three germ layers. We believe that BD patient-specific iPSCs provide a powerful in vitro model for evaluating the pathological phenotypes of the disease...
April 3, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29656178/generation-of-3-spinocerebellar-ataxia-type-1-sca1-patient-derived-induced-pluripotent-stem-cell-lines-lumci002-a-b-and-c-and-2-unaffected-sibling-control-induced-pluripotent-stem-cell-lines-lumci003-a-and-b
#13
Ronald A M Buijsen, Sarah L Gardiner, Marga J Bouma, Linda M van der Graaf, Merel W Boogaard, Barry A Pepers, Bert Eussen, Annelies de Klein, Christian Freund, Willeke M C van Roon-Mom
Spinocerebellar ataxia type 1 (SCA1) is a hereditary neurodegenerative disease caused by a CAG repeat expansion in exon 8 of the ATXN1 gene. We generated induced pluripotent stem cells (hiPSCs) from a SCA1 patient and his non-affected sister by using non-integrating Sendai Viruses (SeV). The resulting hiPSCs are SeVfree, express pluripotency markers, display a normal karyotype, retain the mutation (length of the CAG repeat expansion in the ATXN1 gene) and are able to differentiate into the three germ layers in vitro...
April 5, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29625588/rapid-detection-of-three-rabbit-pathogens-by-use-of-the-luminex-x-tag-assay
#14
Miaoli Wu, Yujun Zhu, Feng Cong, Dan Rao, Wen Yuan, Jing Wang, Bihong Huang, Yuexiao Lian, Yu Zhang, Ren Huang, Pengju Guo
BACKGROUND: Domestic rabbits especially New Zealand white rabbits play an important role in biological research. The disease surveillance and quality control are essential to guarantee the results of animal experiments performed on rabbits. Rabbit hemorrhagic disease virus, rabbit rotavirus and Sendai virus are the important pathogens that needed to be eliminated. Rapid and sensitive method focus on these three viruses should be established for routine monitoring. The Luminex x-TAG assay based on multiplex PCR and fluorescent microsphere is a fast developing technology applied in high throughput detection...
April 7, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29619598/pcr-array-profiling-of-antiviral-genes-in-human-embryonic-kidney-cells-expressing-human-coronavirus-oc43-structural-and-accessory-proteins
#15
Meshal Beidas, Wassim Chehadeh
Human coronavirus OC43 (HCoV-OC43) is a respiratory virus that usually causes a common cold. However, it has the potential to cause severe infection in young children and immunocompromised adults. Both SARS-CoV and MERS-CoV were shown to express proteins with the potential to evade early innate immune responses. However, the ability of HCoV-OC43 to antagonise the intracellular antiviral defences has not yet been investigated. The potential role of the HCoV-OC43 structural (M and N) and accessory proteins (ns2a and ns5a) in the alteration of antiviral gene expression was investigated in this study...
April 4, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29610295/samhd1-suppresses-innate-immune-responses-to-viral-infections-and-inflammatory-stimuli-by-inhibiting-the-nf-%C3%AE%C2%BAb-and-interferon-pathways
#16
Shuliang Chen, Serena Bonifati, Zhihua Qin, Corine St Gelais, Karthik M Kodigepalli, Bradley S Barrett, Sun Hee Kim, Jenna M Antonucci, Katherine J Ladner, Olga Buzovetsky, Kirsten M Knecht, Yong Xiong, Jacob S Yount, Denis C Guttridge, Mario L Santiago, Li Wu
Sterile alpha motif and HD-domain-containing protein 1 (SAMHD1) blocks replication of retroviruses and certain DNA viruses by reducing the intracellular dNTP pool. SAMHD1 has been suggested to down-regulate IFN and inflammatory responses to viral infections, although the functions and mechanisms of SAMHD1 in modulating innate immunity remain unclear. Here, we show that SAMHD1 suppresses the innate immune responses to viral infections and inflammatory stimuli by inhibiting nuclear factor-κB (NF-κB) activation and type I interferon (IFN-I) induction...
April 2, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29574173/generation-of-induced-pluripotent-stem-cell-line-zzui011-a-from-urine-sample-of-a-normal-human
#17
Huifang Sun, Fan Zhang, Yanlin Wang, Zhilei Wang, Shoutao Zhang, Yuming Xu, Changhe Shi
Urine cells collected from 200mL clean midsection urine of a 25-year-old healthy man were reprogrammed into pluripotent stem cells via Sendai virus delivery system. The induced pluripotent stem cells showed a normal karyotype and exhibited the potential to differentiate into three germ layers in a teratoma assay. This cell line may serve as a useful control for comparison with other pluripotent stem cell lines induced from somatic cells of patients with genetic neurodegenerative disorders.
March 9, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29552616/methylation-profile-of-induced-pluripotent-stem-cells-generated-by-integration-and-integration-free-approaches
#18
Rinat Sultanov, Olga Lebedeva, Georgij Arapidi, Maria Lagarkova, Sergei Kiselev
The genetic reprogramming technology allows generation of induced pluripotent stem cells (iPSCs) from somatic cells (Takahashi and Yamanaka, 2006) [1]. iPSCs have the ability to self-renew, and to differentiate into any type of somatic cells, and are considered as a promising tool for drug development, disease modeling, and regenerative medicine. The reprogramming factors (oct4, sox2, klf4, c-myc) can be delivered to the cell nucleus either by vectors integrating into the genome (lentiviruses, retroviruses) or by non-integrative methods (e...
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29496996/interferon-down-regulation-of-mir-1225-3p-as-an-antiviral-mechanism-through-modulating-grb2-associated-binding-protein-3-expression
#19
Min Cheng, Yuqiang Niu, Jingjing Fan, Xiaojing Chi, Xiuying Liu, Wei Yang
Induction of interferons (IFNs) is a central event of antiviral innate immunity. As crucial posttranscriptional regulators, microRNAs (miRNAs) are important for IFN-mediated host defense. Although screening has indicated a substantial number of miRNAs to be differentially expressed after IFN stimulation, the detailed mechanisms of these miRNAs in the antiviral response are underexplored and of great significance. Here, we show that hsa-miR-1225-3p is specifically down-regulated by type I IFN through the IFN/JAK/STAT signaling pathway...
April 20, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29486400/generation-of-a-transgene-free-induced-pluripotent-stem-cells-line-unipdi002-a-from-oral-mucosa-epithelial-stem-cells-carrying-the-r304q-mutation-in-tp63-gene
#20
Marta Trevisan, Vanessa Barbaro, Silvia Riccetti, Giulia Masi, Luisa Barzon, Patrizia Nespeca, Gualtiero Alvisi, Enzo Di Iorio, Giorgio Palù
Transgene free UNIPDi002-A-human induced pluripotent stem cell (hiPSC) line was generated by Sendai Virus Vectors reprogramming from human oral mucosal epithelial stem cells (hOMESCs) of a patient affected by ectrodactyly-ectodermal dysplasia-clefting (EEC)-syndrome, carrying a mutation in exon 8 of the TP63 gene (R304Q). The UNIPDi002-A-hiPSC line retained the mutation of the parental R304Q-hOMESCs and displayed a normal karyotype. No residual expression of transgenes nor Sendai virus vector sequences were detected in the line at passage 8...
April 2018: Stem Cell Research
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