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EBioMedicine

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https://www.readbyqxmd.com/read/28229909/paradoxical-inhibition-of-glycolysis-by-pioglitazone-opposes-the-mitochondriopathy-caused-by-aif-deficiency
#1
Paule Bénit, Alice Pelhaître, Elise Saunier, Sylvie Bortoli, Assetou Coulibaly, Malgorzata Rak, Manuel Schiff, Guido Kroemer, Massimo Zeviani, Pierre Rustin
Mice with the hypomorphic AIF-Harlequin mutation exhibit a highly heterogeneous mitochondriopathy that mostly affects respiratory chain complex I, causing a cerebral pathology that resembles that found in patients with AIF loss-of-function mutations. Here we describe that the antidiabetic drug pioglitazone (PIO) can improve the phenotype of a mouse Harlequin (Hq) subgroup, presumably due to an inhibition of glycolysis that causes an increase in blood glucose levels. This glycolysis-inhibitory PIO effect was observed in cultured astrocytes from Hq mice, as well as in human skin fibroblasts from patients with AIF mutation...
February 16, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28229908/multiple-myeloma-tumor-cells-are-selectively-killed-by-pharmacologically-dosed-ascorbic-acid
#2
Jiliang Xia, Hongwei Xu, Xiaoyan Zhang, Chantal Allamargot, Kristen L Coleman, Randy Nessler, Ivana Frech, Guido Tricot, Fenghuang Zhan
High-dose chemotherapies to treat multiple myeloma (MM) can be life-threatening due to toxicities to normal cells and there is a need to target only tumor cells and/or lower standard drug dosage without losing efficacy. We show that pharmacologically-dosed ascorbic acid (PAA), in the presence of iron, leads to the formation of highly reactive oxygen species (ROS) resulting in cell death. PAA selectively kills CD138(+) MM tumor cells derived from MM and smoldering MM (SMM) but not from monoclonal gammopathy undetermined significance (MGUS) patients...
February 16, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28219627/antithrombin-iii-protects-against-contrast-induced-nephropathy
#3
Zeyuan Lu, Dongsheng Cheng, Jianyong Yin, Rui Wu, Guangyuan Zhang, Qing Zhao, Niansong Wang, Feng Wang, Mingyu Liang
We previously reported that insufficiency of antithrombin III (ATIII), the major anti-coagulation molecule in vivo, exacerbated renal ischemia-reperfusion injury in animal models and possibly humans. In the present study, we investigated the relationship between ATIII level and contrast induced nephropathy (CIN) in patients and examined therapeutic effect of ATIII on CIN in Sprague-Dawley rats. Patients with low ATIII activity presented a higher incidence of acute kidney injury (AKI) following coronary angiography...
February 12, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28202231/antibody-glycosylation-predicts-relapse-in-autoimmune-vasculitis
#4
Mattias Collin
No abstract text is available yet for this article.
February 10, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28202230/intergenerational-transmission-of-enhanced-seizure-susceptibility-after-febrile-seizures
#5
Dengchang Wu, Bo Feng, Yunjian Dai, Xiaohua Wu, Bin Chen, Cenglin Xu, Yangshun Tang, Kang Wang, Shihong Zhang, Shuang Wang, Benyan Luo, Zhong Chen
Environmental exposure early in development plays a role in susceptibility to disease in later life. Here, we demonstrate that prolonged febrile seizures induced by exposure of rat pups to a hyperthermic environment enhance seizure susceptibility not only in these hyperthermia-treated rats but also in their future offspring, even if the offspring never experience febrile seizures. This transgenerational transmission was intensity-dependent and was mainly from mothers to their offspring. The transmission was associated with DNA methylation...
February 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28196655/the-hiv-care-continuum-is-the-whole-greater-than-the-sum-of-its-parts-implications-for-interventions-in-a-test-and-treat-world
#6
Virginia A Fonner
No abstract text is available yet for this article.
February 8, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28216066/the-potential-effect-of-oral-microbiota-in-the-prediction-of-mucositis-during-radiotherapy-for-nasopharyngeal-carcinoma
#7
Xiao-Xia Zhu, Xiao-Jun Yang, Yi-Lan Chao, Hui-Min Zheng, Hua-Fang Sheng, Hai-Yue Liu, Yan He, Hong-Wei Zhou
BACKGROUND: Oral mucositis is probably the most debilitating complication that can arise in treating a patient with head and neck cancer. Little is known about the impacts of oral microbiota on the initiation and progression of mucositis. METHODS: Based on 16S rRNA gene sequencing, dynamic changes in oral bacterial profile as well as correlations between the severity of mucositis and bacterial shifts during radiotherapy were investigated. FINDINGS: Our results revealed that bacterial community structure altered progressively during radiation therapy, in parallel with a marked increase in the relative abundance of some Gram-negative bacteria...
February 7, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28196656/a-cdna-clone-launched-platform-for-high-yield-production-of-inactivated-zika-vaccine
#8
Yujiao Yang, Chao Shan, Jing Zou, Antonio E Muruato, Diniz Nunes Bruno, Barbosa de Almeida Medeiros Daniele, Pedro F C Vasconcelos, Shannan L Rossi, Scott C Weaver, Xuping Xie, Pei-Yong Shi
A purified inactivated vaccine (PIV) using the Zika virus (ZIKV) Puerto Rico strain PRVABC59 showed efficacy in monkeys, and is currently in a phase I clinical trial. High-yield manufacture of this PIV is essential for its development and vaccine access. Here we report an infectious cDNA clone-launched platform to maximize its yield. A single NS1 protein substitution (K265E) was identified to increase ZIKV replication on Vero cells (a cell line approved for vaccine production) for both Cambodian FSS13025 and Puerto Rico PRVABC59 strains...
February 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28188123/the-introduction-of-diphtheria-tetanus-pertussis-and-oral-polio-vaccine-among-young-infants-in-an-urban-african-community-a-natural-experiment
#9
Søren Wengel Mogensen, Andreas Andersen, Amabelia Rodrigues, Christine S Benn, Peter Aaby
BACKGROUND: We examined the introduction of diphtheria-tetanus-pertussis (DTP) and oral polio vaccine (OPV) in an urban community in Guinea-Bissau in the early 1980s. METHODS: The child population had been followed with 3-monthly nutritional weighing sessions since 1978. From June 1981 DTP and OPV were offered from 3months of age at these sessions. Due to the 3-monthly intervals between sessions, the children were allocated by birthday in a 'natural experiment' to receive vaccinations early or late between 3 and 5months of age...
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28174133/zika-virus-serology-more-diagnostic-targets-more-reliable-answers
#10
Marcus Panning
No abstract text is available yet for this article.
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28174132/traumatic-brain-injury-induces-genome-wide-transcriptomic-methylomic-and-network-perturbations-in-brain-and-blood-predicting-neurological-disorders
#11
Qingying Meng, Yumei Zhuang, Zhe Ying, Rahul Agrawal, Xia Yang, Fernando Gomez-Pinilla
The complexity of the traumatic brain injury (TBI) pathology, particularly concussive injury, is a serious obstacle for diagnosis, treatment, and long-term prognosis. Here we utilize modern systems biology in a rodent model of concussive injury to gain a thorough view of the impact of TBI on fundamental aspects of gene regulation, which have the potential to drive or alter the course of the TBI pathology. TBI perturbed epigenomic programming, transcriptional activities (expression level and alternative splicing), and the organization of genes in networks centered around genes such as Anax2, Ogn, and Fmod...
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28163044/intergenerational-effects-of-endocrine-disorder-on-metabolism
#12
Rui Cao, Zheng Sun
No abstract text is available yet for this article.
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28163041/the-association-between-gene-snps-and-cancer-predisposition-correlation-or-causality
#13
Hua Tan
No abstract text is available yet for this article.
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28163040/looking-for-the-needle-in-the-haystack-proteome-based-identification-of-treatment-targets-in-nf2-related-nervous-system-tumors
#14
Christian Mawrin
No abstract text is available yet for this article.
February 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28174134/whole-exome-sequencing-reveals-severe-thrombophilia-in-acute-unprovoked-idiopathic-fatal-pulmonary-embolism
#15
Matt Halvorsen, Ying Lin, Barbara A Sampson, Dawei Wang, Bo Zhou, Lucy S Eng, Sung Yon Um, Orrin Devinsky, David B Goldstein, Yingying Tang
BACKGROUND: Acute unprovoked idiopathic fatal pulmonary embolism (IFPE) causes sudden death without an identifiable thrombogenic risk. We aimed to investigate the underlying genomic risks of IFPE through whole exome sequencing (WES). METHODS: We reviewed 14years of consecutive out-of-hospital fatal pulmonary embolism records (n=1478) from the ethnically diverse population of New York City. We selected 68 qualifying IFPE cases for WES. We compared the WES data of IFPE cases to those of 9332 controls to determine if there is an excess of rare damaging variants in the genome using ethnicity-matched controls in collapsing analyses...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28163043/p53-modulates-the-fate-of-cardiac-progenitor-cells-ex-vivo-and-in-the-diabetic-heart-in-vivo
#16
Ramaswamy Kannappan, Alex Matsuda, João Ferreira-Martins, Eric Zhang, Giorgia Palano, Anna Czarna, Mauricio Castro Cabral-Da-Silva, Adriana Bastos-Carvalho, Fumihiro Sanada, Noriko Ide, Marcello Rota, Maria A Blasco, Manuel Serrano, Piero Anversa, Annarosa Leri
p53 is an important modulator of stem cell fate, but its role in cardiac progenitor cells (CPCs) is unknown. Here, we tested the effects of a single extra-copy of p53 on the function of CPCs in the presence of oxidative stress mediated by doxorubicin in vitro and type-1 diabetes in vivo. CPCs were obtained from super-p53 transgenic mice (p53-tg), in which the additional allele is regulated in a manner similar to the endogenous protein. Old CPCs with increased p53 dosage showed a superior ability to sustain oxidative stress, repair DNA damage and restore cell division...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28161401/enhancing-public-health-hiv-interventions-a-qualitative-meta-synthesis-and-systematic-review-of-studies-to-improve-linkage-to-care-adherence-and-retention
#17
Joseph D Tucker, Lai Sze Tso, Brian Hall, Qingyan Ma, Rachel Beanland, John Best, Haochu Li, Mellanye Lackey, Gifty Marley, Zachary C Rich, Ka-Lon Sou, Meg Doherty
Although HIV services are expanding, few have reached the scale necessary to support universal viral suppression of individuals living with HIV. The purpose of this systematic review was to summarize the qualitative evidence evaluating public health HIV interventions to enhance linkage to care, antiretroviral drug (ARV) adherence, and retention in care. We searched 19 databases without language restrictions. The review collated data from three separate qualitative evidence reviews addressing each of the three outcomes along the care continuum...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28161400/memory-b-cells-are-major-targets-for-effective-immunotherapy-in-relapsing-multiple-sclerosis
#18
REVIEW
David Baker, Monica Marta, Gareth Pryce, Gavin Giovannoni, Klaus Schmierer
Although multiple sclerosis (MS) is considered to be a CD4, Th17-mediated autoimmune disease, supportive evidence is perhaps circumstantial, often based on animal studies, and is questioned by the perceived failure of CD4-depleting antibodies to control relapsing MS. Therefore, it was interestingly to find that current MS-treatments, believed to act via T cell inhibition, including: beta-interferons, glatiramer acetate, cytostatic agents, dimethyl fumarate, fingolimod, cladribine, daclizumab, rituximab/ocrelizumab physically, or functionally in the case of natalizumab, also depleted CD19+, CD27+ memory B cells...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28161399/bard1-gene-polymorphisms-confer-nephroblastoma-susceptibility
#19
Wen Fu, Jinhong Zhu, Si-Wei Xiong, Wei Jia, Zhang Zhao, Shi-Bo Zhu, Jin-Hua Hu, Feng-Hua Wang, Huimin Xia, Jing He, Guo-Chang Liu
BRCA1-associated RING domain protein 1 (BARD1) is a tumor suppressor, which forms a heterodimer with BRCA1. Three BARD1 gene polymorphisms (rs7585356 G>A, rs6435862 T>G and rs3768716 A>G) were initially identified as high-risk neuroblastoma susceptibility loci by a previous GWAS. Because of the general tumor-suppressing function of BARD1, we hypothesized that these BARD1 gene polymorphisms might modify the susceptibility to nephroblastoma. We genotyped these polymorphisms in 145 cases and 531 controls using Taqman methods...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28161398/angiotensin-ii-induced-muscle-wasting-is-mediated-by-25-hydroxycholesterol-via-gsk3%C3%AE-signaling-pathway
#20
Congcong Shen, Jin Zhou, Xiaoxiao Wang, Xi-Yong Yu, Chun Liang, Bin Liu, Xiangbin Pan, Qiong Zhao, Jenny Lee Song, Jiajun Wang, Meiyu Bao, Chaofan Wu, Yangxin Li, Yao-Hua Song
While angiotensin II (ang II) has been implicated in the pathogenesis of cardiac cachexia (CC), the molecules that mediate ang II's wasting effect have not been identified. It is known TNF-α level is increased in patients with CC, and TNF-α release is triggered by ang II. We therefore hypothesized that ang II induced muscle wasting is mediated by TNF-α. Ang II infusion led to skeletal muscle wasting in wild type (WT) but not in TNF alpha type 1 receptor knockout (TNFR1KO) mice, suggesting that ang II induced muscle loss is mediated by TNF-α through its type 1 receptor...
January 30, 2017: EBioMedicine
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