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Anxin Wang, Yang Sun, Xiaoxue Liu, Zhaoping Su, Junjuan Li, Yanxia Luo, Shuohua Chen, Jianli Wang, Xia Li, Zhan Zhao, Huiping Zhu, Shouling Wu, Xiuhua Guo
Following publication of the original article [1], the authors reported that figure 2 had not been replaced with the correct figure as indicated in the proofs.
September 19, 2017: Cardiovascular Diabetology
Fufu Zheng, Xiaoxu Yuan, Enjing Chen, Yunlin Ye, Xiaofei Li, Yuping Dai
Inactivation of tumor suppressor gene serine-threonine kinase 11 (STK11) in clear cell renal cell carcinoma (ccRCC) has been demonstrated; however, the mechanism of this inactivation remains to be investigated. To investigate whether epigenetic alteration plays a role in the inactivation of STK11 in RCC, the present study aimed to investigate the methylation status of the STK11 promoter and its association with tumor stage and survival in ccRCC patients. Paraffin-embedded specimens were obtained from 42 ccRCC patients...
September 2017: Oncology Letters
Bing Li, Jun Liu, Yanan Yu, Pengqian Wang, Yingying Zhang, Xumin Ni, Qiong Liu, Xiaoxu Zhang, Zhong Wang, Yongyan Wang
Modular targeting is promising in drug research at network level, but it's challenging to quantificationally identify the precise On-modules. Based on a proposed Modudaoism (MD), we defined conserved MD (MDc) and varied MD (MDv) to quantitatively evaluate the conformational and energy variations of modules, and thereby identify the conserved and discrepant allosteric modules. Compared with the Zsummary , MDc/MDv got an optimized result of module preserved ratio and modular structure. In mice anti-ischemic networks, 3, 5, and 1 conserved allosteric modules as well as 4, 1, and 3 On-modules of baicalin (BA), jasminoidin (JA), and ursodeoxycholic acid (UA) were identified by MDc and MDv, 5 unique allosteric modules and their characteristic actions were revealed...
September 19, 2017: CPT: Pharmacometrics & Systems Pharmacology
Yongbing Chi, Qinqin Jin, Xinghui Liu, Limin Xu, Xiaoxue He, Yan Shen, Qiang Zhou, Jue Zhang, Mingming Jin
The involvement of the RGS17 oncogene in promotion of non-small cell lung cancer (NSCLC) has been reported, but the regulation mechanism in NSCLC remains unclear. MicroRNAs (miRNAs) negatively regulate gene expression, and their dysregulation has been implicated in tumorigenesis. To understand the role of microRNAs in RGS17-induced NSCLC, we showed that miR-203 was downregulated during tumorigenesis, and inhibited the proliferation and invasion of lung cancer cells. We then determined if miR-203 regulated NSCLC by targeting RGS17...
September 16, 2017: Cancer Science
Tongjun Guo, Yuanyuan Wang, Hongguang Zhang, Ya Zhang, Jun Zhao, Yan Wang, Xiaoxu Xie, Long Wang, Qian Zhang, Dujia Liu, Yuan He, Ying Yang, Jihong Xu, Zuoqi Peng, Xu Ma
BACKGROUND: With the gradual increase of global warming, the impact of extreme temperatures on health has become a focus of attention, however, its relationship with preterm birth remains unclear. OBJECTIVES: To investigate the association between exposure to extreme temperatures and preterm birth. METHODS: Temperature exposures and birth outcomes of 1,020,471 pregnant women from 132 cities in China were investigated. The pregnancy process was divided into different pregnancy periods...
September 14, 2017: Science of the Total Environment
Rongguang Shi, Lu Huang, Xiaoxue Duan, Guohao Sun, Gui Yin, Ruiyong Wang, Jun-Jie Zhu
Fluorescence imaging with tumor-specific fluorescent probe has emerged as a tool to aid surgeons in the identification and removal of tumor tissue. We report here a new lysosome-targeting fluorescent probe (NBOH) with BODIPY fluorephore to distinguish tumor tissue out of normal tissue based on different pH environment. The probe exhibited remarkable pH-dependent fluorescence behavior in a wide pH range from 3.0 to 11.0, especially a sensitive pH-dependent fluorescence change at pH range between 3.5 and 5.5, corresponding well to the acidic microenvironment of tumor cells, in aqueous solution...
October 2, 2017: Analytica Chimica Acta
Pengxia Wang, Zhenshun Zeng, Weiquan Wang, Zhongling Wen, Jie Li, Xiaoxue Wang
Acquisition of genomic islands (GIs) plays a central role in the diversification and adaptation of bacteria. Some GIs can be mobilized in trans by integrative and conjugative elements (ICEs) or conjugative plasmids if the GIs carry specific transfer-related sequences. However, the transfer mechanism of GIs lacking such elements remains largely unexplored. Here, we investigated the transmissibility of a GI found in a coral-associated marine bacterium. This GI does not carry genes with transfer functions, but it carries four genes required for robust biofilm formation...
September 11, 2017: Environmental Microbiology
Tiantian Liu, Xiaoxu Chen, Tianjiao Li, Xueliang Li, Yinghua Lyu, Xiaoteng Fan, Pengfei Zhang, Wenxian Zeng
Spermatogonial stem cells (SSCs) possess the capacity of self-renewal and differentiation, which are the basis of spermatogenesis. In maintenance of SSC homeostasis, intrinsic/extrinsic factors and various signaling pathways tightly control the fate of SSCs. Methyltransferase SETDB1 (Set domain, bifurcated 1) catalyzes histone H3 lysine 9 (H3K9) trimethylation and represses gene expression. SETDB1 is required for maintaining the survival of spermatogonial stem cells in mice. However, the underlying molecular mechanism remains unclear...
September 7, 2017: Biochimica et Biophysica Acta
Jiufang Yang, Haichao Wen, Lei Zhang, Xiaoxu Zhang, Zheng Fu, Jingming Li
Mulberries (Morus atropurpurea Roxb.) are rich in beneficial nutrients and secondary metabolites. Dramatic climate differences between western and eastern China lead to differences among the fruiting habits of mulberries grown in these regions. In this study, Xinjiang and Jiangsu, two regions in western and eastern China, respectively, were selected as sites where mulberry fruits (MFs) at different ripening stages were sampled. Their individual components, including both targeted and non-targeted chemical compounds, were detected by rapid ultra performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS)...
October 2017: Food Research International
Kailun Gao, Zhicheng Wang, Xiaoxu Zhou, Haoze Wang, Derong Kong, Chen Jiang, Xiuli Wang, Zhiqiang Jiang, Xuemei Qiu
Fast twitch muscle and slow twitch muscle are two important organs of Takifugu rubripes. Both tissues are of ectodermic origin, and the differences between the two muscle fibers reflect the differences in their myofibril protein composition and molecular structure. In order to identify and characterize the gene expression profile in the two muscle fibers of T. rubripes, we generated 54 million and 44 million clean reads from the fast twitch muscle and slow twitch muscle, respectively, using RNA-Seq and identified a total of 580 fast-muscle-specific genes, 1533 slow-muscle-specific genes and 11,806 genes expressed by both muscles...
August 30, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
Xiaofang Zhong, Meng Chen, Mingmei Ding, Meiqi Zhong, Bingxi Li, Yuhong Wang, Shengli Fu, Xiaoxue Yin, Zheng Guo, Jianmin Ye
The complement components C1r and C1s play a vital role in immunity with the activation of C1 complex in the classical complement pathway against pathogen infection. In this study, Nile tilapia (Oreochromis niloticus) C1r and C1s orthologs (OnC1r and OnC1s) were identified and characterized. The cDNA of OnC1r and OnC1s ORFs consisted of 1902 bp and 2100 bp of nucleotide sequence encoding polypeptides of 633 and 699 amino acids, respectively. The deduced OnC1r and OnC1s proteins both possessed CUB, EGF, CCP and SP domains, which were significantly homology to teleost...
September 5, 2017: Fish & Shellfish Immunology
Xiaoxu Liu, Lisen Kang, Wei Liu, Bao Lou, Changwen Wu, Lihua Jiang
The large yellow croaker (Larimichthys crocea) has a well-developed innate immune system. We studied a component of this system, chemokine receptor CXCR family. In this study, we report the full-length open reading frames, as well as the identification and characterization of the chemokine receptor genes CXCR2 (LycCXCR2), CXCR3 (LycCXCR3), and CXCR4 (LycCXCR4) of large yellow croaker. We report that LycCXCR3 and LycCXCR4 are evolving neutrally according to PAML analyses. Quantitative real-time PCR analysis revealed that CXCR transcripts were expressed in all examined tissues...
September 8, 2017: Fish & Shellfish Immunology
Xiaoxue Du, Xue Huo, Yang Yang, Zhiying Hu, Benson O A Botchway, Yuting Jiang, Marong Fang
One role of BACE 1 (Beta-site amyloid precursor protein cleaving enzyme 1) is to cleave the sequential amyloid precursor protein (APP) into β-Amyloid (Aβ), the accumulation of which is an important participant in the formation of the amyloid plaques and neurofibrillary tangles of Alzheimer's disease (AD). Our previous study showed BACE 1, the potential functional downstream target of miR-124, to be connected to cell death in AD cell models. Recent studies have shown that autophagy is altered in AD, however, as to whether miR-124 is involved in this alteration is not clear...
September 1, 2017: Toxicology Letters
Shriya Raj, Saeed Nazemidashtarjandi, Jihyun Kim, Luna Joffe, Xiaoxue Zhang, Ashutosh Singh, Visesato Mor, Desmarini Desmarini, Julianne Djordjevic, Daniel P Raleigh, Marcio L Rodrigues, Erwin London, Maurizio Del Poeta, Amir M Farnoud
Fungal glucosylceramide (GlcCer) is a plasma membrane sphingolipid in which the sphingosine backbone is unsaturated in carbon position 8 (C8) and methylated in carbon position 9 (C9). Studies in the fungal pathogen, Cryptococcus neoformans, have shown that loss of GlcCer synthase activity results in complete loss of virulence in the mouse model. However, whether the loss of virulence is due to the lack of the enzyme or to the loss of the sphingolipid is not known. In this study, we used genetic engineering to alter the chemical structure of fungal GlcCer and studied its effect on fungal growth and pathogenicity...
September 1, 2017: Biochimica et Biophysica Acta
Xiaoxue Wang, Hongjie Li, Yongtao Li, Dongsheng Gao, Lu Chen, Hongtao Chang, Hongying Liu, Chuanqing Wang, Jun Zhao
Porcine epidemic diarrhea virus (PEDV) inhibits the host typeⅠinterferon and cellular antiviral response, but its inhibition mechanism is unclear, and the roles of PEDV nonstructural proteins in regulating typeⅠinterferon responses have been seldom studied. To study the effect of nsp1 on typeⅠinterferon response, nsp1 gene was cloned into a eukaryotic expression vector pCAGGS. The expression of nsp1 in transfected cells was determined by Western blot and indirect immunofluorescence assay. The effects of nsp1 on the induction of typeⅠinterferon were evaluated by dual luciferase reporter gene assay, ELISA and VSV bioassay...
August 25, 2017: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
Caitlin M McCaig, Xiaoxue Lin, Maureen Farrell, Kathryn Rehain-Bell, Diane C Shakes
Studies of gamete development in the self-fertile hermaphrodites of Caenorhabditis elegans have significantly contributed to our understanding of fundamental developmental mechanisms. However, evolutionary transitions from outcrossing males and females to self-fertile hermaphrodites have convergently evolved within multiple nematode sub-lineages, and whether the C. elegans pattern of self-fertile hermaphroditism and gamete development is representative remains largely unexplored. Here we describe a pattern of sperm production in the trioecious (male/female/hermaphrodite) nematode Rhabditis sp...
August 24, 2017: Developmental Biology
Junxing Yu, Liye Dai, Quanhui Zhao, Xiaoxue Liu, Shuohua Chen, Anxin Wang, Zhaoping Su, Shouling Wu
BACKGROUND AND PURPOSE: It remains unclear whether resting heart rate (RHR), particularly cumulative exposure to resting heart rate (cumRHR), is associated with stroke. The aim of our study was to prospectively explore the relationship between cumRHR and stroke morbidity. MATERIALS AND METHODS: The Kailuan study is a prospective longitudinal cohort study on cerebrovascular events and cardiovascular factors. Hazard ratios (HRs) with 95% confidence interval (CI) were calculated using a Cox competing risk model...
August 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Jinlong Li, Lu Zhao, Yang Zhang, Wei Li, Xiaoxu Duan, Jinli Chen, Yuanyuan Guo, Shan Yang, Guifan Sun, Bing Li
Inorganic arsenic has been claimed to increase the risk of pulmonary diseases through ingestion, as opposed to inhalation, which makes it a unique and intriguing environmental toxicant. However, the immunotoxic effects of lung, one of the targets of arsenic exposure, have not been extensively investigated in vivo. In the present study, we first confirmed that 2.5, 5 and 10mg/kg NaAsO2 orally for 24h dose-dependently triggered the infiltration of neutrophils, lymphocytes and macrophages in BALF. Not only the transcription activity, but also the secretion of proinflammatory cytokines IL-1β, IL-6 and TNF-α were consistently raised in the lung and BALF of acute arsenic-exposed mice...
August 24, 2017: Environmental Research
Ruijuan Qu, Chenguang Li, Xiaoxue Pan, Xiaolan Zeng, Jiaoqin Liu, Qingguo Huang, Jianfang Feng, Zunyao Wang
Polybrominated diphenyl ethers (PBDEs) are brominated flame retardants which have received considerable attention due to their global distribution, bioaccumulation potential, environmental persistence, and possible toxic effects. In this work, the photodegradation of decabromodiphenyl ether (BDE-209) in aqueous system was investigated by preloading it on the surface of various solid matrices. After 6 h of Xe lamp irradiation, almost complete degradation of BDE-209 was observed on silica gel (SG), with much slower degradation occurring in other adsorbents...
August 16, 2017: Water Research
Heng Zhang, Mingbin Liu, Xiaoxu Zeng, Xiang Zhao, Zhiqiang Deng, Lei Yang, Wenbing Chen, Zi Li, Ming Jiao, Wen Xia, Bin Han, Haiying Chen, Yuelong Shu, Dayan Wang
Live poultry markets (LPM) are one of the most important sources of human infection with avian influenza virus (AIV). During our routine surveillance of AIV, we identified an H9N6 virus (JX-H9N6) in a LPM in Nanchang city, Jiangxi Province, China. Using Bayesian coalescent analysis, it was predicted that JX-H9N6 had originated from a reassortment event between H9N2 and H6N6 AIVs in early 2014, instead of being derived from an H9N6 virus reported previously. Mutations in HA, PB1, PA, M, and NS protein, which could increase mammalian transmission and virulence, were also detected...
August 24, 2017: Archives of Virology
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