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https://www.readbyqxmd.com/read/28642479/a-genetically-enhanced-sterile-insect-technique-against-the-fruit-fly-bactrocera-dorsalis-hendel-by-feeding-adult-double-stranded-rnas
#1
Muhammad Waqar Ali, Wenping Zheng, Summar Sohail, Qingmei Li, Weiwei Zheng, Hongyu Zhang
RNAi based sterile insect technique (SIT) is an authentic insect management approach but requires proper target genes. During this study, spermless males were developed by interfering with germ cell differentiation and azoospermia related genes. Data demonstrates significant reductions in the target genes expressions (boul, zpg, dsx (M) , fzo and gas8) after oral dsRNAs administration. Knock down of target genes significantly affected the reproductive ability of males and reduced egg-hatching as compared to the control group...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640216/a-branched-chain-amino-acid-related-metabolic-signature-characterizes-obese-adolescents-with-non-alcoholic-fatty-liver-disease
#2
Martina Goffredo, Nicola Santoro, Domenico Tricò, Cosimo Giannini, Ebe D'Adamo, Hongyu Zhao, Gang Peng, Xiaoqing Yu, Tukiet T Lam, Bridget Pierpont, Sonia Caprio, Raimund I Herzog
Dysregulation of several metabolite pathways, including branched-chain amino acids (BCAAs), are associated with Non-Alcoholic Fatty Liver Disease (NAFLD) and insulin resistance in adults, while studies in youth reported conflicting results. We explored whether, independently of obesity and insulin resistance, obese adolescents with NAFLD display a metabolomic signature consistent with disturbances in amino acid and lipid metabolism. A total of 180 plasma metabolites were measured by a targeted metabolomic approach in 78 obese adolescents with (n = 30) or without (n = 48) NAFLD assessed by magnetic resonance imaging (MRI)...
June 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28638377/a-novel-bromodomain-inhibitor-reverses-hiv-1-latency-through-specific-binding-with-brd4-to-promote-tat-and-p-tefb-association
#3
Huachao Huang, Shuai Liu, Maxime Jean, Sydney Simpson, He Huang, Mark Merkley, Tsuyoshi Hayashi, Weili Kong, Irene Rodríguez-Sánchez, Xiaofeng Zhang, Hailemichael O Yosief, Hongyu Miao, Jianwen Que, James J Kobie, James Bradner, Netty G Santoso, Wei Zhang, Jian Zhu
While combinatory antiretroviral therapy (cART) can effectively reduce HIV-1 viremia, it cannot eliminate HIV-1 infection. In the presence of cART, viral reservoirs remain latent, impeding the cure of HIV-1/AIDS. Recently, latency-reversing agents (LRAs) have been developed with the intent of purging latent HIV-1, providing an intriguing strategy for the eradication of the residual viral reservoirs. Our earlier studies show that the first-generation, methyl-triazolo bromodomain, and extra-terminal domain inhibitor (BETi), JQ1, facilitates the reversal of HIV-1 latency...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28638197/does-more-data-mean-higher-efficiency-an-experience-from-pre-and-post-treatment-study-with-missing-data
#4
Hongyue Wang, Jing Peng, Juila Z Zheng, Bokai Wang, J X Tu, Changyong Feng
In this paper we compare two moment-based methods which have been widely used to test the hypothesis of no treatment effect in pre- and post-treatment studies with data missing completely at random. Our theoretical derivation and simulation results show that the method based on all available data is not necessarily more efficient than the method that uses only complete data pairs. We propose an optimal linear combination of these two methods which turns to be more powerful in all cases.
August 25, 2016: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28638113/clinical-significance-and-next-generation-sequencing-of-chinese-pulmonary-sarcomatoid-carcinoma
#5
Xin Li, Dan Wang, Qingchun Zhao, Dian Ren, Fan Ren, Gang Chen, Hongyu Liu, Jun Chen
Pulmonary Sarcomatoid Carcinoma (PSC) constitutes a heterogeneous group of non-small-cell lung carcinomas (NSCLCs) with a poor prognosis. In this study, a group of 7 patients with PSC was studied. Microscope analysis of all 7 cases revealed a pleomorphic carcinoma subtype. Moreover, 5 cases (71.4%) were composed entirely of malignant sarcomatoid-like elements, and 2 cases (28.6%) were composed of malignant sarcomatoid-like elements and at least 10% adenocarcinoma-like elements. Immunohistochemically, the PSC components of all 7 cases were positive for vimentin and cytokeratins, including cytokeratin (CK) and cytokeratin 7 (CK7)...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637421/a-novel-pathway-based-distance-score-enhances-assessment-of-disease-heterogeneity-in-gene-expression
#6
Xiting Yan, Anqi Liang, Jose Gomez, Lauren Cohn, Hongyu Zhao, Geoffrey L Chupp
BACKGROUND: Distance based unsupervised clustering of gene expression data is commonly used to identify heterogeneity in biologic samples. However, high noise levels in gene expression data and relatively high correlation between genes are often encountered, so traditional distances such as Euclidean distance may not be effective at discriminating the biological differences between samples. An alternative method to examine disease phenotypes is to use pre-defined biological pathways. These pathways have been shown to be perturbed in different ways in different subjects who have similar clinical features...
June 20, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28627683/regulatory-role-of-tumor-necrosis-factor-receptor-associated-factor-6-in-breast-cancer-by-activating-the-protein-kinase-b-glycogen-synthase-kinase-3%C3%AE-signaling-pathway
#7
Hongyu Shen, Liangpeng Li, Sujin Yang, Dandan Wang, Siying Zhou, Xiu Chen, Jinhai Tang
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is an endogenous adaptor of innate and adaptive immune responses, and serves a crucial role in tumor necrosis factor receptor and toll‑like/interleukin‑1 receptor signaling. Although studies have demonstrated that TRAF6 has oncogenic activity, its potential contributions to breast cancer in human remains largely uninvestigated. The present study examined the expression levels and function of TRAF6 in breast carcinoma (n=32) and adjacent healthy (n=25) tissue samples...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28624802/heparin-based-coacervate-of-bfgf-facilitates-peripheral-nerve-regeneration-by-inhibiting-endoplasmic-reticulum-stress-following-sciatic-nerve-injury
#8
Rui Li, Shuang Zou, Yanqing Wu, Yiyang Li, Sinan Khor, Yuqin Mao, Huacheng He, Ke Xu, Hongyu Zhang, Xiaokun Li, Jian Wang, Huai Jiang, Qike Jin, Qingsong Ye, Zhouguang Wang, Jian Xiao
Creating a microenvironment at the injury site that favors axonal regrowth and remyelinationis pivotal to the success of therapeutic reinnervation. The mature myelin sheath of the peripheral nervous system depends on active participation of Schwann cells to form new cytoskeletal components and tremendous amounts of relevant neurotrophic factors. In this study, we utilized a new biomaterial for growth factor delivery consisting of a biocompatible polycation, poly(ethylene argininylaspartatediglyceride) and heparin...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28623022/heterogeneity-of-zeolite-combined-with-biochar-properties-as-a-function-of-sewage-sludge-composting-and-production-of-nutrient-rich-compost
#9
Mukesh Kumar Awasthi, Meijing Wang, Ashok Pandey, Hongyu Chen, Sanjeev Kumar Awasthi, Quan Wang, Xiuna Ren, Altaf Hussain Lahori, Dong-Sheng Li, Ronghua Li, Zengqiang Zhang
In the present study, biochar combined with a higher dosage of zeolite (Z) and biochar (B) alone were applied as additives for dewatered fresh sewage sludge (DFSS) composting using 130-L working volume lab-scale reactors. We first observed that the addition of a mixture of B and Z to DFSS equivalent to 12%B+10% (Z-1), 15% (Z-2) and 30% (Z-3) zeolite (dry weight basis) worked synergistically as an amendment and increased the composting efficiency compared with a treatment of 12%B alone amended and a control without any amendment...
June 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28622015/the-first-whole-genome-sequence-and-pathogenicity-characterization-of-a-fowl-adenovirus-4-isolated-from-ducks-associated-with-inclusion-body-hepatitis-and-hydropericardium-syndrome
#10
Qing Pan, Linlin Liu, Yongqiang Wang, Yanping Zhang, Xiaole Qi, Changjun Liu, Yulong Gao, Xiaomei Wang, Hongyu Cui
In June 2015, an infectious disease with high prevalence causing severe hydropericardium syndrome (HPS) first appeared in duck farms of northeast China. The disease showed high morbidity of 35% and mortality of 15% in a commercial duck farm with 200,000 45-day-old ducks. One strain of hypervirulent fowl adenovirus serotype 4 was identified and designated as HLJDAd15. The whole genome of the duck isolate was sequenced and found to contain the same large deletions as a genotype that has become prevalent in chickens in China recently, indicating that this disease might be transmitted from chickens to ducks...
June 16, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28620908/a-dirichlet-process-mixture-model-for-clustering-longitudinal-gene-expression-data
#11
Jiehuan Sun, Jose D Herazo-Maya, Naftali Kaminski, Hongyu Zhao, Joshua L Warren
Subgroup identification (clustering) is an important problem in biomedical research. Gene expression profiles are commonly utilized to define subgroups. Longitudinal gene expression profiles might provide additional information on disease progression than what is captured by baseline profiles alone. Therefore, subgroup identification could be more accurate and effective with the aid of longitudinal gene expression data. However, existing statistical methods are unable to fully utilize these data for patient clustering...
June 15, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28615921/data-independent-acquisition-and-parallel-reaction-monitoring-mass-spectrometry-identification-of-serum-biomarkers-for-ovarian-cancer
#12
Navin Rauniyar, Gang Peng, TuKiet T Lam, Hongyu Zhao, Gil Mor, Kenneth R Williams
A data-independent acquisition (DIA)/parallel reaction monitoring (PRM) workflow was implemented to identify improved ovarian cancer biomarkers. Data-independent acquisition on ovarian cancer versus control sera and literature searches identified 50 biomarkers and indicated that apolipoprotein A-IV (ApoA-IV) is the most significantly differentially regulated protein. Parallel reaction monitoring with Targeted Ovarian Cancer Proteome Assay validated differential ApoA-IV expression and quantified 9 other biomarkers...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28611670/identification-of-epigallocatechin-3-gallate-as-an-inhibitor-of-phosphoglycerate-mutase-1
#13
Xiaoguang Li, Shuai Tang, Qian-Qian Wang, Elaine L-H Leung, Hongyue Jin, Yongzhuo Huang, Jia Liu, Meiyu Geng, Min Huang, Shengtao Yuan, Xiao-Jun Yao, Jian Ding
Targeting metabolic enzymes is believed to provide new therapeutic opportunities for cancer therapy. Phosphoglycerate mutase 1 (PGAM1) is a glycolytic enzyme that importantly coordinates glycolysis, pentose phosphate pathway (PPP) flux and serine biosynthesis in cancer cells and hence gains increasing interest of inhibitor discovery. Only few PGAM1 inhibitors have been reported and the molecular potency remains very limited. In an effort to discover new PGAM1 inhibitors, we carried out a biochemical assay-based screen that was focused on natural products derived small molecule compounds...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28603956/activatable-t1-relaxivity-recovery-nanoconjugates-for-kinetic-and-sensitive-analysis-of-matrix-metalloprotease-2
#14
Xianglong Zhu, Hongyu Lin, Lirong Wang, Xiaoxue Tang, Lengceng Ma, Zhong Chen, Jinhao Gao
Sensitive detection of Matrix metalloproteinase 2 (MMP-2, an important cancer marker associated with tumor invasion and metastasis) activity in vitro and at cellular level is of great significance to clinical diagnosis and medical treatment. With unique physical properties, nanoparticles are emerging as a platform to construct conjugates of various biological molecules, which can be expected to generate new types of biosensors. In this work, Fe3O4 NPs were modified with Gd chelates via linking peptides to construct NP-substrate (Fe3O4-pep-Gd) conjugates for kinetic MMP-2 activity assessment in vitro, at cellular level and in vivo...
June 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28601281/association-of-cd58-gene-polymorphisms-with-nmo-spectrum-disorders-in-a-han-chinese-population
#15
Ju Liu, Ziyan Shi, Zhiyun Lian, Hongxi Chen, Qin Zhang, Huiru Feng, Xiaohui Miao, Qin Du, Hongyu Zhou
This study aimed to perform a comprehensive assessment of the association between CD58 polymorphisms and the risk of neuromyelitis optica spectrum disorders (NMOSD) in a Han Chinese population. Nine single-nucleotide polymorphisms (SNPs) were genotyped in 230 NMOSD patients and 487 healthy controls. Five SNPs were significantly associated with an increased risk of NMOSD (rs2300747, rs1335532, rs56302466, rs1016140, and rs12044852). The haplotype TAGCCCAA significantly increased the risk of NMOSD, while TATTACGG reduced the risk...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28598966/joint-modeling-of-genetically-correlated-diseases-and-functional-annotations-increases-accuracy-of-polygenic-risk-prediction
#16
Yiming Hu, Qiongshi Lu, Wei Liu, Yuhua Zhang, Mo Li, Hongyu Zhao
Accurate prediction of disease risk based on genetic factors is an important goal in human genetics research and precision medicine. Advanced prediction models will lead to more effective disease prevention and treatment strategies. Despite the identification of thousands of disease-associated genetic variants through genome-wide association studies (GWAS) in the past decade, accuracy of genetic risk prediction remains moderate for most diseases, which is largely due to the challenges in both identifying all the functionally relevant variants and accurately estimating their effect sizes...
June 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28598443/ash1l-and-lnc-smad3-coordinate-smad3-locus-accessibility-to-modulate-itreg-polarization-and-t-cell-autoimmunity
#17
Meng Xia, Juan Liu, Shuxun Liu, Kun Chen, Hongyu Lin, Minghong Jiang, Xiaoqing Xu, Yiquan Xue, Wei Liu, Yan Gu, Xiang Zhang, Zhiqing Li, Lin Yi, Youcun Qian, Chen Zhou, Ru Li, Xuan Zhang, Zhanguo Li, Xuetao Cao
Regulatory T (Treg) cells are important for the maintenance of immune homoeostasis and prevention of autoimmune diseases. Epigenetic modifications have been reported to modulate autoimmunity by altering Treg cell fate. Here we show that the H3K4 methyltransferase Ash1l facilitates TGF-β-induced Treg cell polarization in vitro and protects mice from T cell-mediated colitis in vivo. Ash1l upregulates Smad3 expression by directly targeting Smad3 promoter to increase local H3K4 trimethylation. Furthermore, we identify an lncRNA, namely lnc-Smad3, which interacts with the histone deacetylase HDAC1 and silences Smad3 transcription...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28594855/the-artificial-sweetener-acesulfame-potassium-affects-the-gut-microbiome-and-body-weight-gain-in-cd-1-mice
#18
Xiaoming Bian, Liang Chi, Bei Gao, Pengcheng Tu, Hongyu Ru, Kun Lu
Artificial sweeteners have been widely used in the modern diet, and their observed effects on human health have been inconsistent, with both beneficial and adverse outcomes reported. Obesity and type 2 diabetes have dramatically increased in the U.S. and other countries over the last two decades. Numerous studies have indicated an important role of the gut microbiome in body weight control and glucose metabolism and regulation. Interestingly, the artificial sweetener saccharin could alter gut microbiota and induce glucose intolerance, raising questions about the contribution of artificial sweeteners to the global epidemic of obesity and diabetes...
2017: PloS One
https://www.readbyqxmd.com/read/28594818/leveraging-functional-annotations-in-genetic-risk-prediction-for-human-complex-diseases
#19
Yiming Hu, Qiongshi Lu, Ryan Powles, Xinwei Yao, Can Yang, Fang Fang, Xinran Xu, Hongyu Zhao
Genetic risk prediction is an important goal in human genetics research and precision medicine. Accurate prediction models will have great impacts on both disease prevention and early treatment strategies. Despite the identification of thousands of disease-associated genetic variants through genome wide association studies (GWAS), genetic risk prediction accuracy remains moderate for most diseases, which is largely due to the challenges in both identifying all the functionally relevant variants and accurately estimating their effect sizes in the presence of linkage disequilibrium...
June 8, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28588251/fused-deposition-modeling-fdm-3d-printed-tablets-for-intragastric-floating-delivery-of-domperidone
#20
Xuyu Chai, Hongyu Chai, Xiaoyu Wang, Jingjing Yang, Jin Li, Yan Zhao, Weimin Cai, Tao Tao, Xiaoqiang Xiang
The aim of this study was to explore the feasibility of fused deposition modeling (FDM) 3D printing to prepare intragastric floating sustained release (FSR) tablets. Domperidone (DOM), an insoluble weak base, was chosen as a model drug to investigate the potential of FSR in increasing its oral bioavailability and reducing its administration frequency. DOM was successfully loaded into hydroxypropyl cellulose (HPC) filaments using hot melt extrusion (HME). The filaments were then printed into hollow structured tablets through changing the shell numbers and the infill percentages...
June 6, 2017: Scientific Reports
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