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https://www.readbyqxmd.com/read/29786554/a-human-ipsc-line-capable-of-differentiating-into-functional-macrophages-expressing-zsgreen-a-tool-for-the-study-and-in-vivo-tracking-of-therapeutic-cells
#1
Martha Lopez-Yrigoyen, Antonella Fidanza, Luca Cassetta, Richard A Axton, A Helen Taylor, Jose Meseguer-Ripolles, Anestis Tsakiridis, Valerie Wilson, David C Hay, Jeffrey W Pollard, Lesley M Forrester
We describe the production of a human induced pluripotent stem cell (iPSC) line, SFCi55-ZsGr, that has been engineered to express the fluorescent reporter gene, ZsGreen, in a constitutive manner. The CAG-driven ZsGreen expression cassette was inserted into the AAVS1 locus and a high level of expression was observed in undifferentiated iPSCs and in cell lineages derived from all three germ layers including haematopoietic cells, hepatocytes and neurons. We demonstrate efficient production of terminally differentiated macrophages from the SFCi55-ZsGreen iPSC line and show that they are indistinguishable from those generated from their parental SFCi55 iPSC line in terms of gene expression, cell surface marker expression and phagocytic activity...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29783994/large-scale-transcriptomic-analysis-reveals-that-pridopidine-reverses-aberrant-gene-expression-and-activates-neuroprotective-pathways-in-the-yac128-hd-mouse
#2
Rebecca Kusko, Jennifer Dreymann, Jermaine Ross, Yoonjeong Cha, Renan Escalante-Chong, Marta Garcia-Miralles, Liang Juin Tan, Michael E Burczynski, Ben Zeskind, Daphna Laifenfeld, Mahmoud Pouladi, Michal Geva, Iris Grossman, Michael R Hayden
BACKGROUND: Huntington Disease (HD) is an incurable autosomal dominant neurodegenerative disorder driven by an expansion repeat giving rise to the mutant huntingtin protein (mHtt), which is known to disrupt a multitude of transcriptional pathways. Pridopidine, a small molecule in development for treatment of HD, has been shown to improve motor symptoms in HD patients. In HD animal models, pridopidine exerts neuroprotective effects and improves behavioral and motor functions. Pridopidine binds primarily to the sigma-1 receptor, (IC50 ~ 100 nM), which mediates its neuroprotective properties, such as rescue of spine density and aberrant calcium signaling in HD neuronal cultures...
May 21, 2018: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/29779861/hopq-impacts-the-integrin-%C3%AE-5%C3%AE-1-independent-nf-%C3%AE%C2%BAb-activation-by-helicobacter-pylori-in-ceacam-expressing-cells
#3
Michael Hartmut Feige, Olga Sokolova, Anna Pickenhahn, Gunter Maubach, Michael Naumann
Helicobacter pylori infection persists in more than half of the world's population and represents a risk factor for peptic ulcer disease and gastric cancer. Virulent strains of H. pylori carry a cag pathogenicity island (cagPAI), which encodes a type IV secretion system (T4SS) with the capability to inject the effector protein cytotoxin-associated gene A (CagA) into eukaryotic cells. Colonisation of the gastric epithelium by H. pylori provokes direct activation of the proinflammatory and survival factor nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB)...
May 14, 2018: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/29779335/-the-investigation-of-cag-regimen-in-relapsed-and-refractory-adult-acute-lymphoblastic-leukemia
#4
Y Wang, Y Chen, Y B Chen, Z Y Yan, Z Y Liu, J M Li, H M Sun, S J Zhang
No abstract text is available yet for this article.
April 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29777900/material-basis-research-for-huangqi-jianzhong-tang-against-chronic-atrophic-gastritis-rats-through-integration-of-urinary-metabonomics-and-systemsdock
#5
Yuetao Liu, Wenqian Xu, GuoHong Wang, Xuemei Qin
ETHNOPHARMACOLOGICAL RELEVANCE: Huangqi Jianzhong Tang (HQJZ), a celebrated traditional Chinese medicine (TCM), is commonly used for treatment of chronic atrophic gastritis (CAG) in China. AIM OF THE STUDY: We aimed to screen out the material basis of HQJZ against CAG. MATERIALS AND METHODS: CAG rat model was constructed by alternant administrations of ammonia solution and sodium deoxycholate, and the hunger disorder method. Body weight, biochemical indexes and histopathological exam were used to evaluate the efficacy of HQJZ...
May 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29774408/possible-association-of-cag-repeat-polymorphism-in-kcnn3-encoding-the-potassium-channel-sk3-with-oxaliplatin-induced-neurotoxicity
#6
Benjamin Anon, Bérenger Largeau, Alban Girault, Aurélie Chantome, Morgane Caulet, Clémence Perray, Driffa Moussata, Christophe Vandier, Chantal Barin-Le Guellec, Thierry Lecomte
INTRODUCTION: Data suggest a role of the potassium channel SK3 (KCNN3 gene) in oxaliplatin-induced neurotoxicity (OIN). Length variations in the polymorphic CAG repeat of the KCNN3 gene may be associated with the risk of OIN. MATERIALS AND METHODS: We performed patch-clamp experiments on HEK293 cell lines, expressing SK3 channel isoforms with short (11) or long (24) CAG repetitions, to measure intracellular calcium concentrations to test the effects of oxaliplatin on current density...
May 17, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29764950/cagy-dependent-regulation-of-type-iv-secretion-in-helicobacter-pylori-is-associated-with-alterations-in-integrin-binding
#7
Emma C Skoog, Vasilios A Morikis, Miriam E Martin, Greg A Foster, Lucy P Cai, Lori M Hansen, Beibei Li, Jennifer A Gaddy, Scott I Simon, Jay V Solnick
Strains of Helicobacter pylori that cause ulcer or gastric cancer typically express a type IV secretion system (T4SS) encoded by the cag pathogenicity island ( cag PAI). CagY is an ortholog of VirB10 that, unlike other VirB10 orthologs, has a large middle repeat region (MRR) with extensive repetitive sequence motifs, which undergo CD4+ T cell-dependent recombination during infection of mice. Recombination in the CagY MRR reduces T4SS function, diminishes the host inflammatory response, and enables the bacteria to colonize at a higher density...
May 15, 2018: MBio
https://www.readbyqxmd.com/read/29764417/upf1-silenced-cellular-model-systems-for-screening-of-read-through-agents-active-on-%C3%AE-0-39-thalassemia-point-mutation
#8
Francesca Salvatori, Mariangela Pappadà, Giulia Breveglieri, Elisabetta D'Aversa, Alessia Finotti, Ilaria Lampronti, Roberto Gambari, Monica Borgatti
BACKGROUND: Nonsense mutations promote premature translational termination, introducing stop codons within the coding region of mRNAs and causing inherited diseases, including thalassemia. For instance, in β0 39 thalassemia the CAG (glutamine) codon is mutated to the UAG stop codon, leading to premature translation termination and to mRNA destabilization through the well described NMD (nonsense-mediated mRNA decay). In order to develop an approach facilitating translation and, therefore, protection from NMD, ribosomal read-through molecules, such as aminoglycoside antibiotics, have been tested on mRNAs carrying premature stop codons...
May 15, 2018: BMC Biotechnology
https://www.readbyqxmd.com/read/29762031/thermostability-improvement-of-the-d-allulose-3-epimerase-from-dorea-sp-cag-317-by-site-directed-mutagenesis-at-the-interface-regions
#9
Wenli Zhang, Yanmin Zhang, Jiawei Huang, Ziwei Chen, Tao Zhang, Cuie Guang, Wanmeng Mu
D-Allulose is a low-calorie sweetener and has broad applications in the food, cosmetics and pharmaceutical industries. Recently, most studies focuse on D-allulose production from D-fructose by D-allulose 3-epimerase (DAEase). However, the major blocker of industrial production of D-allulose is the poor thermostability. In this study, site-directed mutagenesis at the interface regions of Dorea sp. DAEase was carried out, and the F154Y/E191D/I193F mutation was obtained. The mutant protein displayed much higher thermostability, with a t1/2 value of 20...
May 15, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29760658/high-plasma-exposure-of-statins-associated-with-increased-risk-of-contrast-induced-acute-kidney-injury-in-chinese-patients-with-coronary-artery-disease
#10
Liyun Cai, Xue Bai, Heping Lei, Hong Wu, Yong Liu, Qian Zhu, Shanshan Zhang, Yibin Liu, Qiuxiong Lin, Jiyan Chen, Bin Zhang, Guodong He, Qingshan Geng, Min Huang, Shilong Zhong
The role of statins in reducing the incidence of contrast-induced acute kidney injury (CI-AKI) remains controversial. We sought to evaluate the association between CI-AKI and high plasma exposure of statins in coronary artery disease (CAD) patients undergoing coronary angiography (CAG). This association was first evaluated in 1,219 patients with CAD receiving atorvastatin (AT) therapy and validated in 635 patients receiving rosuvastatin (RST) therapy. The plasma concentrations of statins were quantified using validated UPLC-MS/MS methods and CI-AKI incidence was assessed during the first 48 h postoperatively...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29760453/evolutionary-instability-of-cug-leu-in-the-genetic-code-of-budding-yeasts
#11
Tadeusz Krassowski, Aisling Y Coughlan, Xing-Xing Shen, Xiaofan Zhou, Jacek Kominek, Dana A Opulente, Robert Riley, Igor V Grigoriev, Nikunj Maheshwari, Denis C Shields, Cletus P Kurtzman, Chris Todd Hittinger, Antonis Rokas, Kenneth H Wolfe
The genetic code used in nuclear genes is almost universal, but here we report that it changed three times in parallel during the evolution of budding yeasts. All three changes were reassignments of the codon CUG, which is translated as serine (in 2 yeast clades), alanine (1 clade), or the 'universal' leucine (2 clades). The newly discovered Ser2 clade is in the final stages of a genetic code transition. Most species in this clade have genes for both a novel tRNASer (CAG) and an ancestral tRNALeu (CAG) to read CUG, but only tRNASer (CAG) is used in standard growth conditions...
May 14, 2018: Nature Communications
https://www.readbyqxmd.com/read/29756284/factors-associated-with-atxn2-cag-caa-repeat-intergenerational-instability-in-spinocerebellar-ataxia-type-2
#12
L E Almaguer-Mederos, J M L Mesa, Y González-Zaldívar, D Almaguer-Gotay, D Cuello-Almarales, R Aguilera-Rodríguez, N S Falcón, S Gispert, G Auburger, L Velázquez-Pérez
Spinocerebellar ataxia type 2 (SCA2) is a neurodegenerative disorder caused by the unstable expansion of a CAG/CAA repeat in the ATXN2 gene, which normally encodes 22 glutamines (Q22). A large study was conducted to characterize the CAG/CAA repeat intergenerational instability in SCA2 families. Large normal alleles (LNA, Q24-31) were significantly more unstable upon maternal transmissions. In contrast, expanded alleles (EA, Q32-750) were significantly more unstable during paternal transmissions, in correlation with repeat length...
May 14, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29755260/characterization-of-the-complete-mitochondrial-dna-of-theretra-japonica-and-its-phylogenetic-position-within-the-sphingidae-lepidoptera-sphingidae
#13
Jun Li, Rui-Rui Lin, Yao-Yao Zhang, Kun-Jie Hu, Ya-Qi Zhao, Yan Li, Zhuo-Ran Huang, Xu Zhang, Xue-Xia Geng, Jian-Hua Ding
In the present study, the complete mitogenome of Theretra japonica was sequenced and compared with other sequenced mitogenomes of Sphingidae species. The mitogenome of T. japonica , containing 37 genes (13 protein-coding genes, 22 tRNA genes, and two rRNA genes) and a region rich in adenine and thymine (AT-rich region), is a circular molecule with 15,399 base pairs (bp) in length. The order and orientation of the genes in the mitogenome are similar to those of other sequenced mitogenomes of Sphingidae species...
2018: ZooKeys
https://www.readbyqxmd.com/read/29752749/preliminary-evidence-that-androgen-signaling-is-correlated-with-men-s-everyday-language
#14
Jennifer S Mascaro, Kelly E Rentscher, Patrick D Hackett, Adriana Lori, Alana Darcher, James K Rilling, Matthias R Mehl
OBJECTIVES: Testosterone (T) has an integral, albeit complex, relationship with social behavior, especially in the domains of aggression and competition. However, examining this relationship in humans is challenging given the often covert and subtle nature of human aggression and status-seeking. The present study aimed to investigate whether T levels and genetic polymorphisms in the AR gene are associated with social behavior assessed via natural language use. METHODS: We used unobtrusive, behavioral, real-world ambulatory assessments of men in partnered heterosexual relationships to examine the relationship between plasma T levels, variation in the androgen receptor (AR) gene, and spontaneous, everyday language in three interpersonal contexts: with romantic partners, with co-workers, and with their children...
May 11, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29746987/age-and-benefit-of-early-coronary-angiography-after-out-of-hospital-cardiac-arrest-in-patients-presenting-with-shockable-rhythm-insights-from-the-sudden-death-expertise-center-registry
#15
Nadia Aissaoui, Wulfran Bougouin, Florence Dumas, Franckie Beganton, Richard Chocron, Olivier Varenne, Christian Spaulding, Nicole Karam, Gilles Montalescot, Pierre Aubry, Georges Sideris, Eloi Marijon, Xavier Jouven, Alain Cariou
BACKGROUND: Little is known about the association between provision of post-resuscitation care and prognosis of out-of-hospital cardiac arrest(OHCA) in elderly patients. Previous studies have suggested futility after 65 years of age. OBJECTIVES: We aimed to evaluate the association of early coronary angiogram(CAG) followed if necessary by percutaneous coronary intervention(PCI), with favorable outcome after OHCA among elderly patients, compared to younger patients...
May 7, 2018: Resuscitation
https://www.readbyqxmd.com/read/29743609/salivary-levels-of-total-huntingtin-are-elevated-in-huntington-s-disease-patients
#16
Jody Corey-Bloom, Ameera S Haque, Sungmee Park, Ajay S Nathan, Robert W Baker, Elizabeth A Thomas
Patients with Huntington's disease (HD), an autosomal-dominant neurodegenerative disease, show substantial variability in age-of-onset, symptom severity and course of illness, warranting the need for biomarkers to anticipate and monitor these features. The HD gene encodes the disease protein huntingtin (Htt), a potentially useful biomarker for this disease. In the current study, we determined whether total Htt protein (normal plus mutant; "tHtt") could be reliably measured in human saliva, a body fluid that is much more accessible compared to cerebral spinal fluid or even blood, and whether salivary levels of tHtt were clinically meaningful...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29743208/overlap-between-age-at-onset-and-disease-progression-determinants-in-huntington-disease
#17
N Ahmad Aziz, Jorien M M van der Burg, Sarah J Tabrizi, G Bernhard Landwehrmeyer
OBJECTIVE: A fundamental but still unresolved issue regarding Huntington disease (HD) pathogenesis is whether the factors that determine age at onset are the same as those that govern disease progression. Because elucidation of this issue is crucial for the development as well as optimal timing of administration of novel disease-modifying therapies, we aimed to assess the extent of overlap between age-at-onset and disease-progression determinants in HD. METHODS: Using observational data from Enroll-HD, the largest cohort of patients with HD worldwide, in this study we present, validate, and apply an intuitive method based on linear mixed-effect models to quantify the variability in the rate of disease progression in HD...
May 9, 2018: Neurology
https://www.readbyqxmd.com/read/29735410/distinct-shifts-in-the-oral-microbiota-are-associated-with-the-progression-and-aggravation-of-mucositis-during-radiotherapy
#18
Jin Hou, HuiMin Zheng, Pan Li, HaiYue Liu, HongWei Zhou, XiaoJun Yang
BACKGROUND AND PURPOSE: Oral mucositis remains one of the most common complications of radiation therapy for patients with head and neck cancer. This study aimed to investigate the dynamic shifts in the oral mucosal microbiota and their association with the progression and aggravation of mucositis in patients with nasopharyngeal carcinoma (NPC) undergoing radiotherapy. MATERIALS AND METHODS: In this study, oropharyngeal mucosa of patients were examined regularly, and sampled longitudinally in eight stages of their radiation treatment program: before radiation, and then after 10, 20, 30, 40, 50, 60, and 70 Gy...
May 4, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29730953/low-density-lipoprotein-associated-variables-and-the-severity-of-coronary-artery-disease-an-untreated-chinese-cohort-study
#19
Xi Zhao, Di Sun, Rui-Xia Xu, Yuan-Lin Guo, Cheng-Gang Zhu, Na-Qiong Wu, Yan Zhang, Sha Li, Ying Gao, Geng Liu, Qian Dong, Jian-Jun Li
BACKGROUND AND AIMS: Elevated low-density lipoprotein cholesterol (LDL-C) is causal risk for coronary artery disease (CAD) and LDL-associated variables including LDL-C, apolipoprotein B (apoB), non-high-density lipoprotein cholesterol (non-HDL-C), lipoprotein a [Lp(a)], small dense LDL (sd-LDL) and oxidized LDL (ox-LDL) have been widely used for predicting the risk of CAD. The present study was aimed to compare the values of six LDL-related variables for predicting the severity of CAD using untreated patients undergoing coronary angiography (CAG)...
May 7, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29730633/use-of-a-gp-endorsed-12-months-reminder-letter-to-promote-uptake-of-bowel-scope-screening-protocol-for-a-randomised-controlled-trial-in-a-hard-to-reach-population
#20
Christian von Wagner, Yasemin Hirst, Sara Tookey, Robert S Kerrison, Sarah Marshall, Andrew Prentice, Daniel Vulkan, Una Macleod, Stephen Duffy
INTRODUCTION: Flexible sigmoidoscopy (FS) screening is associated with reduced colorectal cancer incidence and mortality when offered as a one-off test to men and women aged 55-64. The test, also referred to as the 'bowel scope screening' (BSS) test, was added to England's national Bowel Cancer Screening Programme in March 2013, where it is offered to men and women aged 55. Since its implementation, uptake of the BSS test has been low, with only 43% of the eligible population attending an appointment...
May 5, 2018: BMJ Open
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