105 Works

Functional analysis of seven regulators of G protein signaling (RGSs) in the nematode-trapping fungus Arthrobotrys oligospora

Ni Ma, Yining Zhao, Yunchuan Wang, Le Yang, Dongni Li, Jiangliu Yang, Kexin Jiang, Ke-Qin Zhang & Jinkui Yang
Regulators of G protein signaling (RGSs) are proteins that negatively regulate G protein signal transduction. In this study, seven putative RGSs were characterized in the nematode-trapping (NT) fungus, Arthrobotrys oligospora. Deleting Rgs genes significantly increased intracellular cAMP levels, and caused defects in mycelia growth, stress resistance, conidiation, trap formation, and nematocidal activity. In particular, the ΔAoFlbA mutant was unable to produce conidia and traps. Transcriptomic analysis showed that amino acid metabolic and biosynthetic processes were...

Transcriptional Regulation of the Chicken ASMT Gene- A Preliminary Analysis

Jun Teng, Dan Wang, Wenwen Wang, Chao Ning, Qin Zhang & Hui Tang
1. Melatonin is an indole hormone that, among its myriad biological functions, regulates circadian and seasonal rhythms in animals. The ASMT gene plays an essential role in melatonin synthesis. However, in chickens, little is known about the regulatory elements governing its transcription. 2. The following study identified the transcription start site of the chicken ASMT gene by 5’-RACE. Then, the proximal minimal promoter was identified using a series of 5′ truncations of the ASMT promoter...

FBXO34 promotes latent HIV-1 activation by post-transcriptional modulation

Xinyi Yang, Xiaying Zhao, Yuqi Zhu, Jingna Xun, Qin Wen, Hanyu Pan, Jinlong Yang, Jing Wang, Zhimin Liang, Xiaoting Shen, Yue Liang, Qinru Lin, Huitong Liang, Min Li, Jun Chen, Shibo Jiang, Jianqing Xu, Hongzhou Lu & Huanzhang Zhu
Acquired immunodeficiency syndrome (AIDS) cannot be completely cured, mainly due to the existence of a latent HIV-1 reservoir. However, our current understanding of the molecular mechanisms underlying the establishment and maintenance of HIV-1 latent reservoir is not comprehensive. Here, using a genome-wide CRISPR-Cas9 activation library screening, we identified E3 ubiquitin ligase F-box protein 34 (FBXO34) and the substrate of FBXO34, heterogeneous nuclear ribonucleoprotein U (hnRNP U) was identified by affinity purification mass spectrometry, as new...

Molecular detection and identification of relapsing fever Borrelia in ticks and wild small mammals in China

Xiao-Ai Zhang, Feng Tian, Yue Li, Xiao-Long Zhang, Bao-Gui Jiang, Bao-Cheng Liu, Jing-Tao Zhang, Shen Tian, Heng Ding, Shuang Li, Hao Li, Li-Qun Fang & Wei Liu
We identified relapsing fever (RF) Borrelia in 1.45% (145/10426) of the ticks and 1.40% (40/2850) of the wild mammals in a field investigation in China. Three RF Borrelia species, including human-pathogenic Borrelia miyamotoi, Borrelia persica and unclassified Babesia sp. were determined. Main species determined from ticks was B. miyamotoi (44.14%), followed by the unclassified Borrelia sp. (42.76%), and Borrelia theileri (13.10%). In wild mammals, main species found was B. persica (57.50%), followed by the unclassified...

Distribution, sources and health risk assessment of DDT and its metabolites in agricultural soils in Zhejiang Province, China

Ning Cui, Xiong Pan & Jing Liu
Dichlorodiphenyltrichloroethane (DDT) is well known for its harmful effects and has been officially banned as a pesticide around the world. However, DDT pollution still exists in natural environments in China because DDT degrade very slowly. In this study, 60 soil samples were collected from Cixi, Zhejiang Province, and 1) DDT and its metabolites were determined, 2) Health risk was estimated by using various indices. The results showed that the detection rate of DDT in soil...

Epidemiology, evolution, and biological characteristics of H6 avian influenza viruses in China

Xiaohao Xu, Qi Chen, Min Tan, Jia Liu, Xiyan Li, Lei Yang, Yuelong Shu, Dayan Wang & Wenfei Zhu
H6 avian influenza virus (AIV) is one of the most prevalent AIV subtypes in birds globally. To investigate the current situation and characteristics of H6 AIVs circulating in China, we analysed the epidemiology, genetic evolution and pathogenic features of this subtype. During 2000-2021, H6 subtype AIVs spread widely through Southern China and presented high host diversity. On analysing 171 H6 viruses isolated during 2009-2021, dynamic reassortments were observed among H6 and other co-circulating AIV subtypes,...

Characteristics and driving factors of antibiotic resistance genes in aquaculture products from freshwater ponds in China Yangtze River Delta

Yiqin Chen, Bin Jia, Juan-Ying Li, Dan Li & Wenhui He
Antibiotic resistance genes (ARGs) are widespread in aquaculture and pose a huge threat to aquaculture organisms and human health. In this study, occurrences and relative abundances of ARGs were analyzed in the guts of products cultured in freshwater ponds in the Yangtze River Delta region in China. A total of 29 ARGs were found in the gut samples, with detection frequencies ranging from 4.8% to 81%, and the relative abundances (ARGs/16S rRNA) ranging from 10−7...

Impact of Implant-based Breast Reconstruction on Bra Fit

Krista M. Nicklaus, Yen-Tung Liu, Chi Liu, Jevon Chu, Eloise Jewett, Karen Bravo, Mary Catherine Bordes, Jun Liu, Gregory P. Reece, Summer E. Hanson, Fatima Merchant & Mia K. Markey
Comfortable and well-fitting bras are necessary for good quality of life but hard to find for women who undergo reconstruction after breast cancer treatment. This study aimed to provide data to inform bra designs for breast cancer survivors. We measured anatomical distances used in bra design on 3D clinical photographs of patients who underwent unilateral and bilateral implant-based reconstruction to quantify changes after reconstruction relative to the measured values before the person underwent surgery. We...

A booster of Delta-Omicron RBD-dimer protein subunit vaccine augments sera neutralization of Omicron sub-variants BA.1/BA.2/BA.2.12.1/BA.4/BA.5

Minrun Duan, Huixin Duan, Yaling An, Tianyi Zheng, Shengfeng Wan, Hui Wang, Xin Zhao, Lianpan Dai, Kun Xu & George F. Gao
The SARS-CoV-2 Omicron variants of concern (VOCs) showed severe resistance to the early-approved COVID-19 vaccines-induced immune responses. The breakthrough infections by the Omicron VOCs are currently the major challenge for pandemic control. Therefore, booster vaccination is crucial to enhance immune responses and protective efficacy. Previously, we developed a protein subunit COVID-19 vaccine ZF2001, based on the immunogen of receptor-binding domain (RBD) homodimer, which was approved in China and other countries. To adapt SARS-CoV-2 variants, we...

Novel H5N6 reassortants bearing the clade HA gene of H5N8 virus have been detected in poultry and caused multiple human infections in China

Wenli Gu, Jianzhong Shi, Pengfei Cui, Cheng Yan, Yaping Zhang, Congcong Wang, Yuancheng Zhang, Xin Xing, Xianying Zeng, Liling Liu, Guobin Tian, Yasuo Suzuki, Chengjun Li, Guohua Deng & Hualan Chen
The globally circulating H5N8 avian influenza viruses bearing the clade hemagglutinin (HA) gene are responsible for the loss of more than 33 million domestic poultry since January 2020. Moreover, the H5N8 viruses have reassorted with other avian influenza viruses and formed H5N1, H5N2, H5N3, H5N4, and H5N5 viruses in Europe, Africa, and North America. In this study, we analyzed 15 H5N6 viruses isolated from poultry and seven H5N6 viruses isolated from humans, and found...

Comparable antigen-specific T cell responses in vaccinees with diverse humoral immune responses after primary and booster BBIBP-CorV vaccination

Dong Wei, Yingying Chen, Xiaoqi Yu, Yang-dian Lai, Wenxin Xu, Ping Ji, Zhitao Yang, Erzhen Chen, Xinxin Zhang & Ying Wang
BBIBP-CorV exerts efficient protection against SARS-CoV-2 infection. However, waning vaccine-induced humoral immune responses after two-dose vaccination has significantly undermined durable immuno-protection. In this study, we have demonstrated that although anti-spike (S) antibody responses in BBIBP-CorV vaccinees exhibited three serotypes after 6 months including de novo sero-negative, sero-positive and sero-decay features, S-specific interferon-γ release as well as Th1 cytokine production in CD4+ and CD8+ T cells were comparable, especially in vaccinees without detectable neutralizing antibodies. Notably,...

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...

Synthesis and evaluation of highly releasable and structurally stable antibody-SN-38-conjugates

Lianqi Liu, Fei Xie, Dian Xiao, Xin Xu, Zheng Su, Yanming Wang, Shiyong Fan, Xinbo Zhou & Song Li
Camptothecins, traditional chemotherapy drugs, have been clinically used in antibody-drug conjugates (ADCs), which refreshes the recognition that ADCs preferably incorporate highly potent payloads. However, SN-38, active metabolite of irinotecan from camptothecins, tended to be incorporated into ADCs with an unstable acid sensitive bond, not with the widely used Cathepsin B (CTSB) sensitive bond, which may pose the risk of off-target. Herein, we reported a novel strategy to construct highly releasable and structurally stable SN-38-conjugates, in...

Fracture behavior of high-strength bolts and connections in the whole process of fire

Qiao Chen, Jian Jiang, Wei Chen & Jihong Ye
High-strength bolts have been widely used in steel bolted connections, and fire-induced high temperatures will affect its basic mechanical properties and fracture behavior, leading to failure of the connection and even collapse of the overall structure. Tensile experiments are conducted on Grade 10.9 high-strength bolts to investigate the effect of stress triaxiality and heating history on their mechanical and fracture properties in the whole process of fire. The true stress-strain curves are obtained to determine...

Decreasing REDD1 expression protects against high glucose-induced apoptosis, oxidative stress and inflammatory injury in podocytes through regulation of the AKT/GSK-3β/Nrf2 pathway

Xiaojing Wang, Jing Yang, Wenxing Wang, Yun Li & Yue Yang
Our goal in this work was to investigate the possible role and mechanism of regulated in development and DNA damage response 1 (REDD1) in mediating high glucose (HG)-induced podocyte injury in vitro. Mouse podocytes were stimulated with HG to establish HG injury model. Protein expression was examined by Western blotting. Cell viability was measured by cell counting kit-8 assay. Cell apoptosis was assessed by annexin V‐FITC/propidium iodide and TUNEL apoptotic assays. Levels of reactive oxygen...

Sevelamer arsenite nanoparticle as a Pi-responsive drug carrier and embolic agent for chemoembolization

Qiu-Chen Bi, Jian-Jun Tang, Jun Zhao, Yang-Feng Lv, Zhi-Qiang Deng, Hong Chen, Yu-Hua Xu, Chuan-Sheng Xie, Qing-Rong Liang, Rong-Guang Luo & Qun Tang
Arsenic trioxide (As2O3, ATO) has limited therapeutic benefit to treat solid tumors, whether used alone or in combination. Nanoscale drug delivery vehicles have great potential to overcome the limitation of the utility of ATO by rapid renal clearance and dose-limiting toxicity. Polymeric materials ranging from gelatin foam to synthetic polymers such as poly(vinyl alcohol) were developed for vascular embolic or chemoembolic applications. Recently, we have introduced sevelamer, an oral phosphate binder, as a new polymeric...

Cadomian crust of Eastern Iran: evidence from the Tapeh Tagh granitic gneisses

Habib Mollai, Rahim Dabiri, Habib Allah Torshizian, Georgia Pe-Piper & Wei Wang
Late Neoproterozoic to Early Cambrian (Cadomian) magmatic rocks are abundant in Iran, but their occurrence in east-central Iran is voluminous. This paper reports, for the first time, on the Cadomian rocks of the eastern Iranian region known as Tapeh Tagh and deals with their geochemistry and uranium-lead (U-Pb) zircon ages. The Tapeh Tagh region contains masses of Cadomian meta-igneous rocks (including various types of granitic gneiss) and overlying meta-sedimentary rocks. The granitic gneisses show tectonic...

The demulsification of oily wastewater by a hyperbranched polymer grafted SiO2

Yu Zhang, Jiazhe Kuang, Bin Li, Yuanzhu Mi, Ying Yang & Xuening Feng
In this work, a PAMAM@SiO2 demulsifier was synthesized by the reaction of a hyperbranched poly (amido amine) (PAMAM) and KH570 modified SiO2. The structure, morphology and composition of PAMAM@SiO2 were characterized by FT-IR, SEM and EDS. The effect of the concentration of PAMAM@SiO2, salinity and temperature on the demulsification performance was systematically studied. The results showed that the transmittance of aqueous phase after demulsification could reach as high as 92.1% at optimal conditions, and corresponding...

Bismuth-doped g-C3N4/ZIF-8 heterojunction photocatalysts with enhanced photocatalytic performance under visible light illumination

Qian Yang, Wensong Lin, Zhichang Duan, Sen Xu, Junnan Chen & Xin Mai
In this work, g-C3N4/ZIF-8 heterojunction photocatalysts were synthesized by the process which the metal organic framework ZIF-8 nanoparticles were grown onto the g-C3N4 layer in situ. Bismuth element was doped into the as-prepared g-C3N4/ZIF-8 material and new type of Bi@g-C3N4/ZIF-8 composite photocatalysts were manufactured, in which the doping element acts in adjusting the band gap in the photocatalysts. The prepared photocatalysts were characterized by XRD, FESEM, TEM, FTIR, XPS, UV-Vis DRS, photoluminescence and photo-electrochemical experiments....

Structural basis of HCoV-19 fusion core and an effective inhibition peptide against virus entry

Huan Sun, Yan Li, Peipei Liu, Chengpeng Qiao, Xiaomin Wang, Lianao Wu, Kefang Liu, Yu Hu, Chao Su, Shuguang Tan, Shumei Zou, Guizhen Wu, Jinghua Yan, George Fu Gao, Jianxun Qi & Qihui Wang
Structural basis of HCoV-19 fusion core and an effective inhibition peptide against virus entry

Chemical composition characteristics and source analysis of PM2.5 in Jiaxing, China: Insights into the effect of COVID-19 outbreak

Chuanfang Xiong, Yinglong Zhang, Jing Yan, Xiaoxia Yang, Qiongzhen Wang, Rui Tu & Yi He
Jiaxing is a medium-sized city in the Yangtze River Delta (YRD), which showed complex local and surrounding pollution sources. To study the COVID-19 impact on the ambient PM2.5 in Jiaxing, we collected the PM2.5 samples from January 2 to April 25, 2020 and analyzed their chemical compositions (including carbon components, water-soluble ions (WSIs), and inorganic elements). The concentration of PM2.5 was 83.13 ± 30.93 μg/m3 before COVID-19 pandemic, and then remarkably decreased with COVID-19 outbreak...

Nickel (ii) effects on Anammox reaction: reactor performance, dehydrogenase, sludge morphology and microbial community changes

Jian Cheng, Liang Qiao, Wen Xu, Yulan Qian, Yiyang Ge, Ting Xia & Yan Li
Nickel (ii) (Ni2+) is considered as one of the necessary trace elements in the process of Anammox culture, but it may have toxic effects at high concentration. This study explored the long-term influence of Ni2+ on the denitrification efficiency of Anammox bioreactors. The results showed that when the concentration of Ni2+ was 0.5 mg/L, the bioreactor had the highest denitrification efficiency, while the removal efficiency of ammonia nitrogen and nitrite nitrogen gradually decreased at concentrations...

Comparison of the accelerating effect of graphene oxide and graphene on anaerobic transformation of bisphenol F by Pseudomonas sp. LS

Hong Lu, Jingyi Li, Ze Fu, Xiaolei Wang, Jiti Zhou & Jing Wang
It was found that bisphenol F (BPF) could be anaerobically transformed to 4,4-dihydroxybenzophenone using nitrate as an electron acceptor by Pseudomonas sp. LS. However, BPF removal was a slow process under anaerobic conditions. In the present study, effects of graphene oxide (GO) and graphene on the anaerobic transformation of BPF were studied in detail. Results showed that GO (2-10 mg/L) and graphene (2-20 mg/L) could increase anaerobic biotransformation rate of BPF. For GO-mediated system, GO...

Study and numerical analysis of Von Mises stress of a new tumor-type distal femoral prosthesis comprising a peek composite reinforced with carbon fibers: finite element analysis

Yu Guo & Wei Guo
Research on carbon-fiber-reinforced polyetheretherketone (CF-PEEK/CFR-PEEK) as a bone tumor joint prosthesis remains limited. Herein we numerically determine the feasibility of CF-PEEK material containing 30% Wt carbon fiber (CF30-PEEK) as a material for the dual-action tumor-type distal femoral prosthesis. Use CT scan method to build a complete finite element model of the knee joint. Simulate the resection of the distal femoral tumor, and then reconstruct it with the dual-action tumor-type distal femoral prosthesis. The femoral condyle...

Antibody persistence and safety after heterologous boosting with orally aerosolised Ad5-nCoV in individuals primed with two-dose CoronaVac previously: twelve-month analyses of a randomized controlled trial

Lairun Jin, Rong Tang, Shipo Wu, Xiling Guo, Haitao Huang, Lihua Hou, Xiaoqin Chen, Tao Zhu, Jinbo Gou, Jin Zhong, Hongxing Pan, Lunbiao Cui, Yin Chen, Xin Xia, Jialu Feng, Xue Wang, Qi Zhao, XiaoYu Xu, Zhuopei Li, Xiaoyin Zhang, Wei Chen, Jingxin Li & Fengcai Zhu
Antibody persistence and safety up to 12 months of heterologous orally administered adenovirus type-5 vector-based COVID-19 vaccine (Ad5-nCoV) in individuals who were primed with two-dose inactivated SARS-CoV-2 vaccine (CoronaVac) previously, has not been reported yet. This randomized, open label, single-center trial included Chinese adults who have received two-dose CoronaVac randomized to low-dose or high-dose aerosolised Ad5-nCoV group, or CoronaVac group. In this report, we mainly evaluated the geometric mean titres (GMTs) of neutralising antibodies (NAbs)...

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  • Huazhong University of Science and Technology
  • Chinese Academy of Medical Sciences & Peking Union Medical College
  • Zhejiang University
  • Shanghai Jiao Tong University
  • Fudan University
  • Sun Yat-sen University
  • Capital Medical University
  • Sichuan University
  • Central South University
  • Nanjing Medical University