69 Works

Nanoparticle-mediated delivery of Tanshinone IIA reduces adverse cardiac remodeling following myocardial infarctions in a mice model: role of NF-κB pathway

Shuai Mao, Lei Wang, Peipei Chen, Yong Lan, Rui Guo & Minzhou Zhang
Our previous works have shown that tanshinone IIA inhibited maladaptive extracellular matrix remodeling in cardiac fibroblasts implicating its potential role in treating of pathologic cardiac remodeling. However, the intrinsically poor solubility and bioavailability of tanshinone IIA hindered its clinical application. Here we develop monomethoxy-poly (ethylene glycol)-poly (lactic acid)-D-α-Tocopheryl polyethylene glycol 1000 succinate (mPEG-PLA-TPGS) nanoparticle incorporating tanshinone IIA (tanshinone IIA-NPs) and study its efficacy in post-infarction left ventricular (LV) remodeling. Male C57BL/6 mice underwent left coronary...

Complement receptor 3 mediates Aspergillus fumigatus internalization into alveolar epithelial cells with the increase of intracellular phosphatidic acid by activating FAK

Xuelin Han, Xueting Su, Zhiqian Li, Yanxi Liu, Shuo Wang, Miao Zhu, Changjian Zhang, Fan Yang, Jingya Zhao, Xianping Li, Fangyan Chen & Li Han
Complement receptor 3 (CD11b/CD18) is an important receptor that mediates adhesion, phagocytosis and chemotaxis in various immunocytes. The conidia of the medically-important pathogenic fungus, Aspergillus fumigatus can be internalized into alveolar epithelial cells to disseminate its infection in immunocompromised host; however, the role of CR3 in this process is poorly understood. In the present study, we investigated the potential role of CR3 on A. fumigatus internalization into type II alveolar epithelial cells and its effect...

Effect of acute acidic stress on survival and metabolic activity of zooplankton from Lake Biwa, Japan

Huanan Gao, Xin Liu & Syuhei Ban
Acute acidic stress from sources such as acid rain might impact on lake ecosystems in many aspects. Because zooplankton is sensitive to environmental change, it could be a good biotic indicator of the effects of acidification. We investigated survival and metabolic rates of three dominant zooplankton taxa in Lake Biwa, the cladoceran Daphnia pulicaria, and the copepods Eodiaptomus japonicus and Cyclopoida spp., when subjected to different pH values (pH 4.0−8.0) at low (10 °C) and...

Speeding up Genetic Programming Based Symbolic Regression Using GPUs

Rui Zhang, Andrew Lensen & Yanan Sun
No description supplied

Booster vaccination is required to elicit and maintain COVID-19 vaccine-induced immunity in SIV-infected macaques

Pingchao Li, Qian Wang, Yizi He, Chenchen Yang, Zhengyuan Zhang, Zijian Liu, Bo Liu, Li Yin, Yilan Cui, Peiyu Hu, Yichu Liu, Pingqian Zheng, Wei Wang, Linbing Qu, Caijun Sun, Suhua Guan, Liqiang Feng & Ling Chen
Prolonged infection and possible evolution of SARS-CoV-2 in patients living with uncontrolled HIV-1 infection highlight the importance of an effective vaccination regimen, yet the immunogenicity of COVID-19 vaccines and predictive immune biomarkers have not been well investigated. Herein, we report that the magnitude and persistence of antibody and cell-mediated immunity (CMI) elicited by an Ad5-vectored COVID-19 vaccine are impaired in SIV-infected macaques with high viral loads (> 105 genome copies per ml plasma, SIVhi) but...

Aconiti lateralis Radix Praeparata inhibits Alzheimer’s disease by regulating the complex regulation network with the core of GRIN1 and MAPK1

Yutao Wang, Huixiang Zhang, Jing Wang, Ming Yu, Qianqian Zhang, Shan Yan, Dingyun You, Lanlan Shi, Lihuan Zhang, Limei Wang, Hongxiang Wu & Xue Cao
Current medicine for Alzheimer’s disease (AD) cannot effectively reverse or block nerve injury. Traditional Chinese Medicine practice and research imply Aconiti lateralis Radix Praeparata (Fuzi) may meet this goal. Analysing the anti-AD effect of Fuzi and its potential molecular mechanism. AD model cells were treated with Fuzi in 0-300 mg/mL for 24 h in 37 °C. The cell viability (CV) and length of cell projections (LCP) for each group were observed, analysed, and standardised using...

Comparisons on fluid-solid heat transfer simulation for localized fire resistance

Xuanyi Zhou, Jinggang Zhou, Beihua Cong & Wei Wang
A research idea of multi-physics field coupling can be used to solve the structural fire resistance problem. Most of the previous CFD-FEM numerical simulations in structural fire resistance studies apply adiabatic surface temperature (AST) to accurately describe the complex fire analysis boundary conditions, and this methodology belongs to the use of iterative coupling methods to achieve fluid-solid heat transfer coupling. However, there is less application for another direct two-way coupling method. In this paper, a...

SWATH Proteomics analysis of placental tissue with intrahepatic cholestasis of pregnancy_part1

Yuxuan Jiang, Xiaoping Yin, Qian Xu, Xiaoxiao Tang, Huajie Zhang, Jing Lin, Yi Wang, Fei Yang, NaseerUllah Khan, Liming Shen & Danqing Zhao
Introduction: Intrahepatic cholestasis of pregnancy (ICP) usually occurs in the second and third trimesters. The disease's etiology and diagnostic criteria are currently unknown. Based on a sequence window to obtain all theoretical fragment ions (SWATH) proteomic approach, this study sought to identify potential proteins in placental tissue that may be involved in the pathogenesis of ICP and adverse fetal pregnancy outcomes. Methods: The postpartum placental tissue of pregnant women with ICP were chosen as the...

Discrepancy in the transmissibility of multidrug-resistant Mycobacterium tuberculosis in urban and rural areas in China

Meng Li, Liping Lu, Mingcheng Guo, Qi Jiang, Lan Xia, Yuan Jiang, Shu Zhang, Yong Qiu, Chongguang Yang, Yiwang Chen, Jianjun Hong, Xiaoqin Guo, Howard Takiff, Xin Shen, Chuang Chen & Qian Gao
The fitness of multidrug-resistant tuberculosis (MDR-TB) is thought to be an important determinant of a strain’s ability to be transmitted and cause outbreaks. Studies in the laboratory have demonstrated that MDR-TB strains have reduced fitness but the relative transmissibility of MDR-TB versus drug-susceptible (DS) TB strains in human populations remains unresolved. We used data on genomic clustering from our previous molecular epidemiological study in Songjiang (2011-2020) and Wusheng (2009-2020), China, to compare the relative transmissibility...

METTL21C mediates lysine trimethylation of IGF2BP1 to regulate chicken myoblast proliferation

Shanshan Wang, Jiarong Zhao, Ling Wang, Tao Zhang, Wenxian Zeng & Hongzhao Lu
1. Methyltransferase-like 21C (METTL21C) and insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1) play important roles in the proliferation of chicken myoblasts. However, it remains unclear whether there is protein-protein interaction between METTL21C and IGF2BP1 to regulate proliferation of chicken myoblasts. 2. In this study, the Igf2bp1 gene was amplified from cDNA of liver tissue of Lueyang black-bone chicken to construct the overexpression vector HA-Igf2bp1. The HA-Igf2bp1 and Flag-Mettl21c vectors were individually transfected and co-transfected...

Rational development of multicomponent mRNA vaccine candidates against mpox

Rong-Rong Zhang, Zheng-Jian Wang, Yi-Long Zhu, Wei Tang, Chao Zhou, Suo-Qun Zhao, Mei Wu, Tao Ming, Yong-Qiang Deng, Qi Chen, Ning-Yi Jin, Qing Ye, Xiao Li & Cheng-Feng Qin
The re-emerging mpox (formerly monkeypox) virus (MPXV), a member of Orthopoxvirus genus together with variola virus (VARV) and vaccinia virus (VACV), has led to public health emergency of international concern since July, 2022. Inspired by the unprecedent success of coronavirus disease 2019 (COVID-19) mRNA vaccines, the development of a safe and effective mRNA vaccine against MPXV is of high priority. Based on our established lipid nanoparticle (LNP)-encapsulated mRNA vaccine platform, we rationally constructed and prepared...

Risk factors associated with COVID-19 infection: a retrospective cohort study based on contacts tracing

Tao Liu, Wenjia Liang, Haojie Zhong, Jianfeng He, Zihui Chen, Guanhao He, Tie Song, Shaowei Chen, Ping Wang, Jialing Li, Yunhua Lan, Mingji Cheng, Jinxu Huang, Jiwei Niu, Liang Xia, Jianpeng Xiao, Jianxiong Hu, Lifeng Lin, Qiong Huang, Zuhua Rong, Aiping Deng, Weilin Zeng, Jiansen Li, Xing Li, Xiaohua Tan … & Wenjun Ma
Objectives To estimate the attack rates, and identify the risk factors of COVID-19 infection. Methods Based on a retrospective cohort study, we investigated 11,580 contacts of COVID-19 cases in Guangdong Province from January 10 to March 15, 2020. All contacts were tested by RT-PCR to detect their infection of SARS-COV-2. Attack rates by characteristics were calculated, and logistic regression was used to estimate the risk factors of infection for COVID-19. Results A total of 515...

Corticosteroid prevents COVID-19 progression within its therapeutic window: a multicenter, proof-of-concept, observational study.

Yang Li, Xian Zhou, Tao Li, Shiji Chan, Yiqi Yu, Jing-Wen Ai, Haocheng Zhang, Feng Sun, Qiran Zhang, Lei Zhu, Lingyun Shao, Bin Xu & Wenhong Zhang
Background: Critically ill patients with COVID-19 are of grave concern. Those patients usually underwent a stage of excessive inflammation before developing acute respiratory distress syndrome. In this study, we test the hypothesis that short-term, low-to-moderate-dose corticosteroids would benefit patients when used in the early phase of excessive inflammation namely, the therapeutic window. Methods: Among a Shanghai cohort and a validation cohort, we enrolled COVID-19 patients showing marked radiographic progression. Short-term, low-to-moderate-dose corticosteroids were considered for...

Phylogenetic analysis and virulence characteristics of Methicillin-Resistant Staphylococcus aureus ST764-SCCmec II: an Emerging hypervirulent Clone ST764-t1084 in China

Yanghua Xiao, Weihua Han, Bingjie Wang, Yanlei Xu, Huilin Zhao, Xinyi Wang, Lulin Rao, Jiao Zhang, Li Shen, Hui Zhou, Long Hu, Junhong Shi, Jingyi Yu, Yinjuan Guo, Han Xia & Fangyou Yu
Previous studies have shown that the increased prevalent ST764 clone in China, Japan, and other Asian areas. However, the knowledge of the genetic features and virulence characteristics of methicillin-resistant Staphylococcus aureus (MRSA) ST764 in China is still limited. In this study, we identified 52 ST764-SCCmec type II isolates collected from five cities in China between 2014 and 2021. Whole genome sequencing showed that the most common staphylococcal protein A (spa) types of ST764 in China...

Genetic, biological and epidemiological study on a cluster of H9N2 avian influenza virus infections among chickens, a pet cat, and humans at a backyard farm in Guangxi, China

Jing Yang, Jianhua Yan, Cheng Zhang, Shanqin Li, Manhua Yuan, Chunge Zhang, Chenguang Shen, Yang Yang, Lifeng Fu, Guanlong Xu, Weifeng Shi, Zhenghai Ma, Ting Rong Luo & Yuhai Bi
During an investigation in October 2018, two people with diarrhoea, mild abdominal pain, and mild arthralgia symptoms in Guangxi, China, were identified as infected by H9N2 avian influenza virus (AIV). Four H9N2 AIVs were isolated from one of two patients, a pet cat, and a dead chicken (two respective isolates from its lung and kidney tissues) bred by the patients at a backyard farm. Epidemiological investigation indicated that the newly bought chicken died first, and...

Malfilanol C, a new sesquiterpenoid isolated from the deep-sea-derived Aspergillus puniceus A2 fungus

Siwen Niu, Shuhuan Huang, Juan Wang, Jianlin He, Meixiang Chen, Gaiyun Zhang & Bihong Hong
The chemical examination of the rice solid fermentation products of the deep-sea-derived fungus Aspergillus puniceus A2 resulted in the isolation of one new sesquiterpenoid malfilanol C (1), together with a rare analogue malfilanol B (2). The planar structure of 1 was resolved on the basis of the extensive analyses of the spectroscopic data (HRESIMS and NMR spectra), and its absolute configuration was assigned by quantum chemical calculation of the ECD data. Compound 1, featuring a...

Humoral and Cellular Immunogenicity and Efficacy of a Coxsackievirus A10 Vaccine in Mice

Huan-Huan An, Meng Li, Rui-Lun Liu, Jie Wu, Sheng-Li Meng, Jing Guo, Ze-Jun Wang, Sha-Sha Qian & Shuo Shen
Coxsackievirus A10 (CV-A10) has become one of the major pathogens of hand, foot and mouth disease (HFMD), and studies on the vaccine and animal model of CV-A10 are still far from complete. Our study used a mouse adapted CV-A10 strain, which was lethal for 14-day-old mice, to develop an infected mouse model. Then this model was employed to establish an actively immunized-challenged mouse model to evaluate the efficacy of a formaldehyde-inactivated CV-A10 vaccine, which was...

Effect of antibiotic exposure on the characteristics of activated sludge in a landfill leachate biological treatment system

Libo Qiu, Hong Li, Mengfei Ma & Chengran Fang
Changes in the activated sludge performance in an anaerobic/aerobic biological treatment system for leachate was discussed under the condition of tetracycline (TC) exposure. The results show that a low concentration of TC did not have an obvious effect on the removal of chemical oxygen demand (COD) while a high concentration of TC had a certain promoting effect. Under the stimulation of TC, the particle size distribution of anaerobic/aerobic sludge tended to be more uniform, the...

Getting the ROC into Sync

Liu Yang, Kajal Lahiri & Adrian Pagan
Judging the conformity of binary events in macroeconomics and finance has often been done with indices that measure synchronization. In recent years, the use of Receiver Operating Characteristic (ROC) curve has become popular for this task. This paper shows that the ROC and synchronization approaches are closely related, and each can be derived from a decision-making framework. Furthermore, the resulting global measures of the degree of conformity can be identified and estimated using the standard...

Can Genetic Programming Do Manifold Learning Too?

Andrew Lensen, Bing Xue & Mengjie Zhang
No description supplied

mRNA based vaccines provide broad protection against different SARS-CoV-2 variants of concern

Haomeng Wang, Zhao Chen, Zhenghua Wang, Jin Li, Zhihong Yan, Jinbo Yuan, Airu Zhu, Lan Chen, Ye Liu, Chenlong Hu, Ali Zhu, Guowei Li, Yuehu Li, Jie Deng, Liqiao Ma, Xiuwen Sui, Wei Miao, Junqiang Li, Xiuyu Zheng, Jinhua Piao, Yanfeng Yao, Juhong Rao, Chao Shan, Zhiming Yuan, Jincun Zhao … & Tao Zhu
In order to overcome the pandemic of COVID-19, messenger RNA (mRNA)-based vaccine has been extensively researched as a rapid and versatile strategy. Herein, we described the immunogenicity of mRNA-based vaccines for Beta and the most recent Omicron variants. The homologous mRNA-Beta and mRNA-Omicron and heterologous Ad5-nCoV plus mRNA vaccine exhibited high level cross-reactive neutralization for Beta, original, Delta and Omicron variants. It indicated that the COVID-19 mRNA vaccines have great potential in the clinical use...

Transcriptomic analysis of the innate immune signatures of SARS-CoV-2 protein subunit vaccine ZF2001 and a mRNA vaccine RRV

Qian Wang, Ziyang Song, Jinghuan Yang, Qian He, Qunying Mao, Yu Bai, Jianyang Liu, Chaoqiang An, Xujia Yan, Bopei Cui, Lifang Song, Dong Liu, Miao Xu & Zhenglun Liang
Analysis of large-scale gene expression post vaccination can provide an overview of immune responses. We used transcriptional approaches to comprehensively analyze the innate immune response signatures elicited by protein subunit (PS) vaccine ZF2001 and a mRNA vaccine named RRV. A fine-grained time-dependent dissection of large-scale gene expression post immunization revealed that ZF001 induced MHC class II-related genes, including cd74 and H2-Aa, more expeditiously than RRV. Notably, RRV induced MHC class I-related genes like Tap1/2, B2m...

Comparisons on fluid-solid heat transfer simulation for localized fire resistance

Xuanyi Zhou, Jinggang Zhou, Beihua Cong & Wei Wang
A research idea of multi-physics field coupling can be used to solve the structural fire resistance problem. Most of the previous CFD-FEM numerical simulations in structural fire resistance studies apply adiabatic surface temperature (AST) to accurately describe the complex fire analysis boundary conditions, and this methodology belongs to the use of iterative coupling methods to achieve fluid-solid heat transfer coupling. However, there is less application for another direct two-way coupling method. In this paper, a...

Convective heat transfer coefficient of steel member in localized fire condition

Jinggang Zhou, Xuanyi Zhou, Beihua Cong & Wei Wang
At present, values adopted from specifications are mostly used to define the convective heat transfer coefficient ch in localized fire researches. In this paper, the specific scenario of the steel column surrounded by fire plume is selected as a typical case to explore the surface ch change rules of the steel column. This paper conducts a two-way coupling simulation analysis of the fire and the thermal models by means of CFD codes. First, the validity...

Experimental study on failure mechanism of top and seat with web angle connections under fire

Jun Jiang & Jian Jiang
As an important component in steel structures, beam-to-column connections may experience fracture at high temperatures, affecting progressive collapse resistance of steel structures. This paper experimentally investigates the failure mechanism of top and seat with web angle (TSWA) connections in the whole process of fire. The experimental results show that TSWA connections may fail is due to either fracture of lower angle bolt or fracture of angle plate around bolt hole. Loading during the heating-cooling stage...

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  • Air Force Medical University
  • Zhejiang University
  • Chinese Academy of Medical Sciences & Peking Union Medical College
  • Shandong University
  • Shanghai Jiao Tong University
  • Sun Yat-sen University
  • University of Chinese Academy of Sciences
  • Huazhong University of Science and Technology
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  • Sichuan University