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Xianming Zhang

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https://www.readbyqxmd.com/read/28069705/multilevel-analyses-of-scn5a-mutations-in-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy-suggest-non-canonical-mechanisms-for-disease-pathogenesis
#1
Anneline S J M Te Riele, Esperanza Agullo-Pascual, Cynthia A James, Alejandra Leo-Macias, Marina Cerrone, Mingliang Zhang, Xianming Lin, Bin Lin, Nara L Sobreira, Nuria Amat-Alarcon, Roos F Marsman, Brittney Murray, Crystal Tichnell, Jeroen F van der Heijden, Dennis Dooijes, Toon A B van Veen, Harikrishna Tandri, Steven J Fowler, Richard N W Hauer, Gordon Tomaselli, Maarten P van den Berg, Matthew R G Taylor, Francesca Brun, Gianfranco Sinagra, Arthur A M Wilde, Luisa Mestroni, Connie R Bezzina, Hugh Calkins, J Peter van Tintelen, Lei Bu, Mario Delmar, Daniel P Judge
AIMS: Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy (ARVD/C) is often associated with desmosomal mutations. Recent studies suggest an interaction between the desmosome and sodium channel protein Nav1.5. We aimed to determine the prevalence and biophysical properties of mutations in SCN5A (the gene encoding Nav1.5) in ARVD/C. METHODS AND RESULTS: We performed whole-exome sequencing in six ARVD/C patients (33% male, 38.2 ± 12.1 years) without a desmosomal mutation...
January 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28041923/prevalence-and-associated-factors-of-premature-ejaculation-in-the-anhui-male-population-in-china-evidence-based-unified-definition-of-lifelong-and-acquired-premature-ejaculation
#2
Jingjing Gao, Dangwei Peng, Xiansheng Zhang, Zongyao Hao, Jun Zhou, Song Fan, Yao Zhang, Jun Mao, Xianming Dou, Chaozhao Liang
INTRODUCTION: In 2014, new evidence-based definitions of lifelong premature ejaculation (LPE) and acquired premature ejaculation (APE) were proposed by the International Society for Sexual Medicine. Based on the new PE definitions, the prevalence of and factors associated with LPE and APE have not been investigated in China. AIM: To evaluate the prevalence of and factors associated with LPE and APE in men with the complaint of PE in China. METHODS: From December 2011 to December 2015, a cross-sectional field survey was conducted in five cities in the Anhui province of China...
December 29, 2016: Sexual Medicine
https://www.readbyqxmd.com/read/27997868/one-step-ethanolysis-of-lignin-into-small-molecular-aromatic-hydrocarbons-over-nano-sic-catalyst
#3
Yigang Chen, Fang Wang, Yingjie Jia, Nan Yang, Xianming Zhang
Catalytic depolymerization of lignin for preparation of aromatic hydrocarbons without external hydrogen was first carried out over nano-SiC catalyst in supercritical ethanol. Mixture of the catalyst and lignin was innovatively suspended in a closed reactor and small-molecular aromatic hydrocarbons were successfully achieved at 500°C. Results revealed that not only did conversion of lignin increase sharply under the nano-SiC catalyst, but also phenols were not detected. The increase of residence time under the Fe-SiC catalyst did not change distribution of the liquid products besides the yield improvement, suggesting that the catalyst was suitable and selective towards formation of small-molecular benzenes, especially C6-C8 benzenes...
December 5, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27989107/atomic-h-induced-mo2c-hybrid-as-an-active-and-stable-bifunctional-electrocatalyst
#4
Xiujun Fan, Yuanyue Liu, Zhiwei Peng, Zhenhua Zhang, Haiqing Zhou, Xianming Zhang, Boris I Yakobson, William A Goddard, Xia Guo, Robert H Hauge, James M Tour
Mo2C nanocrystals (NCs) anchored on vertically aligned graphene nanoribbons (VA-GNR) as hybrid nanoelectrocatalysts (Mo2C-GNR) are synthesized through the direct carbonization of metallic Mo with atomic H treatment. The growth mechanism of Mo2C NCs with atomic H treatment is discussed. The Mo2C-GNR hybrid exhibits highly active and durable electrocatalytic performance for the hydrogen-evolution reaction (HER) and oxygen-reduction reaction (ORR). For HER, in an acidic solution the Mo2C-GNR has an onset potential of 39 mV and a Tafel slope of 65 mV dec(-1), and in a basic solution Mo2C-GNR has an onset potential of 53 mV, and Tafel slope of 54 mV dec(-1)...
January 3, 2017: ACS Nano
https://www.readbyqxmd.com/read/27968848/effect-of-danhong-injection-on-the-mobilisation-of-endothelial-progenitor-cells-to-vascular-repair-after-percutaneous-coronary-intervention-a-randomised-controlled-trial
#5
Zhen Hu, Hong Wang, Guanwei Fan, Han Zhang, Xiaoying Wang, Jingyuan Mao, Yingqiang Zhao, Yi An, Yuhong Huang, Chuan Li, Lianying Chang, Xianming Chu, Li Li, Yanfen Li, Yuan Zhang, Gangjian Qin, Xiumei Gao, Boli Zhang
BACKGROUND: Endothelial progenitor cells (EPCs) derived from bone marrow are associated with the repair of vascular injury by accelerating re-endothelisation, and represent a potential therapeutic target for ischaemic disease. Danhong injection (DHI), a Chinese Materia Medica standardised product extracted from Radix Salvia miltiorrhiza and Flos Carthamus tinctorius L, is effective in the treatment of ischaemic heart disease. We assessed the effect of DHI on the mobilisation of EPCs and vascular repair mediated by EPCs after percutaneous coronary intervention (PCI)...
October 2016: Lancet
https://www.readbyqxmd.com/read/27885699/strains-of-group-b-streptococci-from-septic-patients-induce-platelet-activation-via-toll-like-receptor-2
#6
Xiaoyan Liu, Hongyun Liu, Xianming Luo, Ping Zhang, Yanmin Gao, Shuangfeng Xie, Kang Xu, Jianxing Chang, Liping Ma
Group B Streptococcus (GBS) causes life-threatening bacterial sepsis, especially in newborns and pregnant women. Patients suffering from sepsis often display low platelet counts, characterized by thrombocytopenia, because of platelet activation. In the present study, the roles of six GBS strains from septic patients in platelet aggregation, as well as the underlying mechanisms, were investigated. Incubation of platelets with three of the strains induced platelet aggregation, increased the secretion of cellular adhesin molecule CD62P and activation of GPIIb/IIIa...
November 25, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27832642/cell-derived-microparticles-in-patients-with-type-2-diabetes-mellitus-a-systematic-review-and-meta-analysis
#7
Sheyu Li, Jia Wei, Chenghui Zhang, Xiaodan Li, Wentong Meng, Xianming Mo, Qianying Zhang, Qilin Liu, Kaiyun Ren, Rong Du, Haoming Tian, Jianwei Li
BACKGROUND/AIMS: The aim of this study was to assess the association between circulating cell-derived microparticles (MPs) and type 2 diabetes mellitus (T2DM). METHODS: A literature search was performed systematically in PubMed and Embase to identify available case-control or cross-sectional studies that compared different types of cell-derived MPs in patients with T2DM and non-diabetic controls. Pooled standardized mean differences (SMDs) of each MP type were pooled using meta-analysis...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27815824/mir-10a-inhibits-cell-proliferation-and-promotes-cell-apoptosis-by-targeting-bcl6-in-diffuse-large-b-cell-lymphoma
#8
Qian Fan, Xiangrui Meng, Hongwei Liang, Huilai Zhang, Xianming Liu, Lanfang Li, Wei Li, Wu Sun, Haiyang Zhang, Ke Zen, Chen-Yu Zhang, Zhen Zhou, Xi Chen, Yi Ba
The BCL6 (B-Cell Lymphoma 6) gene is a proto-oncogene that is often expressed in diffuse large B-cell lymphomas (DLBCLs). BCL6 loss of function can kill DLBCL cells, demonstrating that BCL6 is necessary for the survival of DLBCL cells and could be a therapeutic target. In this study, we found that BCL6 protein levels were consistently upregulated in DLBCL tissues, whereas its mRNA levels varied randomly in tissues, suggesting that a post-transcriptional mechanism was involved in BCL6 regulation. We used bioinformatics analysis to search for miRNAs, which potentially target BCL6, and identified specific targeting sites for miR-10a in the 3'-untranslated region (3'-UTR) of BCL6...
December 2016: Protein & Cell
https://www.readbyqxmd.com/read/27811182/leveraging-unique-structural-characteristics-of-wnk-kinases-to-achieve-therapeutic-inhibition
#9
REVIEW
Jinwei Zhang, Xianming Deng, Kristopher T Kahle
The with-no-lysine (K) WNK kinases are master regulators of the Na(+)-(K(+))-Cl(-) cotransporters, including the renal-specific NCC and NKCC2 cotransporters. The discovery of WNK463, an orally bioavailable pan-WNK kinase inhibitor that exploits unique structural properties of the WNK catalytic domain to achieve high affinity and kinase selectivity, illustrates a strategy of leveraging distinct kinase features to develop specific inhibitors and validates the genetic predictions of the in vivo pharmacology of WNK inhibition...
October 18, 2016: Science Signaling
https://www.readbyqxmd.com/read/27775552/transcription-factor-etv1-is-essential-for-rapid-conduction-in-the-heart
#10
Akshay Shekhar, Xianming Lin, Fang-Yu Liu, Jie Zhang, Huan Mo, Lisa Bastarache, Joshua C Denny, Nancy J Cox, Mario Delmar, Dan M Roden, Glenn I Fishman, David S Park
Rapid impulse propagation in the heart is a defining property of pectinated atrial myocardium (PAM) and the ventricular conduction system (VCS) and is essential for maintaining normal cardiac rhythm and optimal cardiac output. Conduction defects in these tissues produce a disproportionate burden of arrhythmic disease and are major predictors of mortality in heart failure patients. Despite the clinical importance, little is known about the gene regulatory network that dictates the fast conduction phenotype. Here, we have used signal transduction and transcriptional profiling screens to identify a genetic pathway that converges on the NRG1-responsive transcription factor ETV1 as a critical regulator of fast conduction physiology for PAM and VCS cardiomyocytes...
December 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27775498/virulence-and-molecular-characterization-of-experimental-isolates-of-the-stripe-rust-pathogen-puccinia-striiformis-indicate-somatic-recombination
#11
Yu Lei, Meinan Wang, Anmin Wan, Chongjing Xia, Deven R See, Min Zhang, Xianming Chen
Puccinia striiformis causes stripe rust on wheat, barley, and grasses. Natural population studies have indicated that somatic recombination plays a possible role in P. striiformis variation. To determine whether somatic recombination can occur, susceptible wheat or barley plants were inoculated with mixed urediniospores of paired isolates of P. striiformis. Progeny isolates were selected by passing through a series of inoculations of wheat or barley genotypes. Potential recombinant isolates were compared with the parental isolates on the set of 18 wheat or 12 barley genotypes that are used to differentiate races of P...
December 30, 2016: Phytopathology
https://www.readbyqxmd.com/read/27774127/discovery-of-a-series-of-5-11-dihydro-6h-benzo-e-pyrimido-5-4-b-1-4-diazepin-6-ones-as-selective-pi3k-%C3%AE-%C3%AE-inhibitors
#12
Fleur M Ferguson, Jing Ni, Tinghu Zhang, Bethany Tesar, Taebo Sim, Nam Doo Kim, Xianming Deng, Jennifer R Brown, Jean J Zhao, Nathanael S Gray
Dual inhibition of PI3K-δ and PI3K-γ is an established therapeutic strategy for treatment of hematological malignancies. Reported molecules targeting PI3K-δ/γ selectively are chemically similar and based upon isoquinolin-1(2H)-one or quinazolin-4(3H)-one scaffolds. Here we report a chemically distinct series of potent, selective PI3K-δ/γ inhibitors based on a 5,11-dihydro-6H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6-one scaffold with comparable biochemical potency and cellular effects on PI3K signaling. We envisage these molecules will provide useful leads for development of next-generation PI3K-δ/γ targeting therapeutics...
October 13, 2016: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27758886/targeting-brk-positive-breast-cancers-with-small-molecule-kinase-inhibitors
#13
Jie Jiang, Fu Gui, Zhixiang He, Li Li, Yunzhan Li, Shunying Li, Xinrui Wu, Zhou Deng, Xihuan Sun, Xiaoxing Huang, Wei Huang, Shang Han, Ting Zhang, Zheng Wang, Bo Jiao, Siyang Song, Hongrui Wang, Lanfen Chen, Dawang Zhou, Qiang Liu, Ruibao Ren, Jianming Zhang, Xianming Deng
Approximately 80% of breast cancers overexpress the kinase breast tumor kinase (BRK)/protein tyrosine kinase 6, which has various oncogenic roles in breast cancer cell proliferation, survival, and migration. However, BRK inhibitors have yet to be explored as possible therapeutic tools. In this study, we used a parallel compound-centric approach to discover a new class of pharmaceutical agents, exemplified by XMU-MP-2, as potent and selective BRK inhibitors. XMU-MP-2 exhibited target-specific inhibition of BRK kinase activity and disrupted signaling pathways mediated by this activity, thereby reducing proliferation in BRK-positive breast cancer cells...
January 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/27756825/the-association-between-dietary-vitamin-a-intake-and-pancreatic-cancer-risk-a-meta-analysis-of-11-studies
#14
Tao Zhang, Hongqiang Chen, Shiyong Qin, Minghai Wang, Xianming Wang, Xin Zhang, Fei Liu, Shuguang Zhang
OBJECTIVE: Whether dietary vitamin A intake could reduce pancreatic cancer risk is still conflicting. We therefore conducted a meta-analysis to summarize the evidence from epidemiological studies. METHODS: We searched the databases of PubMed and Web of Knowledge up to July 2016. Random model was used to combine study-specific relative risks (RR) and 95% confidence interval (95% CI). Publication bias was assessed by Egger regression asymmetry test and Begg's funnel plot...
October 18, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27746775/inchi2-plasmids-are-predominant-in-antibiotic-resistant-salmonella-isolates
#15
Wenyao Chen, Tingzi Fang, Xiujuan Zhou, Daofeng Zhang, Xianming Shi, Chunlei Shi
The wide usage of antibiotics contributes to the increase in the prevalence of antibiotic-resistant Salmonella. Plasmids play a critical role in horizontal transfer of antibiotic resistance markers in Salmonella. This study aimed to screen and characterize plasmid profiles responsible for antibiotic resistance in Salmonella and ultimately to clarify the molecular mechanism of transferable plasmid-mediated antibiotic resistance. A total of 226 Salmonella isolates were examined for antimicrobial susceptibility by a disk diffusion method...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27715057/structure-determinants-of-lagunamide-a-for-anticancer-activity-and-its-molecular-mechanism-of-mitochondrial-apoptosis
#16
Xiaoxing Huang, Wei Huang, Li Li, Xihuan Sun, Siyang Song, Qingyan Xu, Lianru Zhang, Bang-Guo Wei, Xianming Deng
Marine natural products are served as attractive source of anticancer therapeutics, with the great success of "first-in-class" drugs, such as Yondelis, Halaven, and Brentuximab vendotin. Lagunamides A-C from marine cyanobacterium, Lyngbya majuscula, exhibit exquisite growth inhibitory activities against cancer cells. In this study, we have systematically investigated the structure-activity relationships (SARs) of a concise collection of lagunamide A and its analogues constructed by total chemical synthesis against a broad panel of cancer cells derived from various tissues or organs, including A549, HeLa, U2OS, HepG2, BEL-7404, BGC-823, HCT116, MCF-7, HL-60, and A375...
November 7, 2016: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/27667394/diosgenin%C3%A2-induced-autophagy-and-apoptosis-in-a-human-prostate-cancer-cell-line
#17
Chao Nie, Jie Zhou, Xiaokang Qin, Xianming Shi, Qingqi Zeng, Jia Liu, Shihai Yan, Lei Zhang
Diosgenin, a plant steroid compound from Dioscorea nipponica, is an anti-inflammatory, antidiabetic, antitumor, vasodilatory compound, which also reduces blood lipid content and protects against ischemia‑induced neuronal damage. However, a limited number of studies have been performed on the antitumor effect of diosgenin on prostate cancer, the underlying mechanism of which remains to be fully elucidated. In the present study, the effect and underlying mechanism of diosgenin on DU145 human prostate cancer cells was investigated...
November 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27626680/loss-of-znf32-augments-the-regeneration-of-nervous-lateral-line-system-through-negative-regulation-of-sox2-transcription
#18
Yuyan Wei, Kai Li, Shaohua Yao, Junping Gao, Jun Li, Yanna Shang, Jie Zhang, Le Zhang, Yanyan Li, Xianming Mo, Wentong Meng, Rong Xiang, Jiankun Hu, Ping Lin, Yuquan Wei
Human zinc finger protein 32 (ZNF32) is a Cys2-His2 zinc-finger transcription factor that plays an important role in cell fate, yet much of its function remains unknown. Here, we reveal that the zebrafish ZNF32 homologue zfZNF32 is expressed in the nervous system, particularly in the lateral line system. ZfZNF32 knock-out zebrafish (zfZNF-/-) were generated using the CRISPR-associated protein 9 system. We found that the regenerative capacity of the lateral line system was increased in zfZNF-/- upon hair cell damage compared with the wild type...
September 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27561462/identification-of-staphylococcus-argenteus-in-eastern-china-based-on-a-nonribosomal-peptide-synthetase-nrps-gene
#19
Dao-Feng Zhang, Xuebin Xu, Qifa Song, Yalong Bai, Yi Zhang, Minghui Song, Chunlei Shi, Xianming Shi
AIM: To investigate whether the Staphylococcus argenteus is present in Eastern China and to verify the utility of a new screening process. MATERIALS & METHODS: Phenotype observation, PCR assay targeting a hypothetical nonribosomal peptide synthetase (NRPS) gene, phylogenetic analysis of rpoB and multilocus sequence typing were used to screen and identify strains of S. argenteus from 839 presumptive S. aureus isolates. RESULTS: Eighty-nine (89/839, 10...
September 2016: Future Microbiology
https://www.readbyqxmd.com/read/27535619/pharmacological-targeting-of-kinases-mst1-and-mst2-augments-tissue-repair-and-regeneration
#20
Fuqin Fan, Zhixiang He, Lu-Lu Kong, Qinghua Chen, Quan Yuan, Shihao Zhang, Jinjin Ye, Hao Liu, Xiufeng Sun, Jing Geng, Lunzhi Yuan, Lixin Hong, Chen Xiao, Weiji Zhang, Xihuan Sun, Yunzhan Li, Ping Wang, Lihong Huang, Xinrui Wu, Zhiliang Ji, Qiao Wu, Ning-Shao Xia, Nathanael S Gray, Lanfen Chen, Cai-Hong Yun, Xianming Deng, Dawang Zhou
Tissue repair and regenerative medicine address the important medical needs to replace damaged tissue with functional tissue. Most regenerative medicine strategies have focused on delivering biomaterials and cells, yet there is the untapped potential for drug-induced regeneration with good specificity and safety profiles. The Hippo pathway is a key regulator of organ size and regeneration by inhibiting cell proliferation and promoting apoptosis. Kinases MST1 and MST2 (MST1/2), the mammalian Hippo orthologs, are central components of this pathway and are, therefore, strong target candidates for pharmacologically induced tissue regeneration...
August 17, 2016: Science Translational Medicine
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