86 Works

Daidzein stimulates fatty acid-induced fat deposition in C2C12 myoblast cells via the G protein-coupled receptor 30 pathway

Chengjian Zhou, Ping Li, Meihong Han & Xuejun Gao
Fat deposition in skeletal muscle is an important aspect of improving meat quality. Isoflavones can promote animal anabolism, but whether and how they regulate muscle fat deposition remain largely unclear. In this study, we explored the role and corresponding molecular mechanism of one of the major isoflavones, daidzein, in fat deposition in C2C12 myoblast cells. In the absence of fatty acids (FAs), daidzein did not promote triglyceride synthesis and lipid droplet formation in cells but...

Deciphering DMET genetic data: comprehensive assessment of Northwestern Han, Tibetan, Uyghur populations and their comparison to eleven 1000 genome populations

Jiayi Zhang, Huijuan Wang, Geng Niu, Yongkang Liu, Yanxia Wang, Lirong Zhang, Yanrui Pei, Hongli Zhu, Penggao Dai & Chao Chen
We investigated the allele frequencies of drug absorption, distribution, metabolism and elimination (ADME)-related drug-metabolizing enzymes and transporters (DMET) genes in the Northwestern Han, Tibetan and Uyghur populations and compared the related genes in these three populations with those in eleven 1000 Genome populations. We examined 1936 single nucleotide polymorphisms of 225 DMET genes involved in ADME processes and found 732, 679 and 804 sites were polymorphic in Han, Tibetan and Uyghur. Tibetan differed from Han...

An analysis of the optimal intrusion force of the maxillary central incisor with root horizontal resorption using the finite element method and curve fitting

Xin Zhang, Min-Qi Li, Jie Guo, Heng-Wei Yang, Jian Yu & Guo-Ju Li
There are no studies on the optimal intrusion force in orthodontic patients with the existing root resorption (RR). The study aimed to analyze the optimal intrusion force for central incisors with existing horizontal root resorption using the finite element method (FEM). We calculated the optimal intrusion force using the finite element method and curve fitting. We found that with the increase of the maxillary central incisor’s root horizontal resorption length, the optimal intrusion force interval’s...

Omicron infections profile and vaccination status among 1881 liver transplant recipients: a multi-center retrospective cohort

Ensi Ma, Jingwen Ai, Yi Zhang, Jianming Zheng, Xiaogang Gao, Junming Xu, Hao Yin, Zhiren Fu, Hao Xing, Li Li, Liying Sun, Heyu Huang, Quanbao Zhang, Linlin Xu, Yanting Jin, Rui Chen, Guoyue Lv, Zhijun Zhu, Wenhong Zhang & Zhengxin Wang
A wave of Omicron infections rapidly emerged in China in 2022, but large-scale data concerning the safety profile of vaccines and Coronavirus disease 2019 (COVID-19) infection features in liver transplant (LT) recipients have not been collected. Therefore, the aim of this study was to assess the protectiveness and safety profile of the inactivated vaccines in LT patients against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant infections. A multi-center retrospective study was conducted in...

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...

Charge-reversal nanomedicine based on black phosphorus for the development of A Novel photothermal therapy of oral cancer

Zimu Li, Qingyun Liu, Yi Zhang, Yao Yang, Xiaomin Zhou, Wei Peng, Zhigang Liang, Xiaowei Zeng, Qiuxu Wang & Nansha Gao
Driven by the lifestyle habits of modern people, such as excessive smoking, drinking, and chewing betel nut and other cancer-causing foods, the incidence of oral cancer has increased sharply and has a trend of becoming younger. Given the current mainstream treatment means of surgical resection will cause serious damage to many oral organs, so that patients lose the ability to chew, speak, and so on, it is urgent to develop new oral cancer treatment methods....

Study on fire resistance of prefabricated demountable composite beams using bolted shear connectors

Mengjie Wang, Guobiao Lou, Zhaohan Wen, Binhui Jiang, Yongchang Wang & Yaqiang Jiang
Using bolts as shear connectors of the steel-concrete composite beams enables prefabricated assembly and makes it possible to demountable and reuse the prefabricated components. However, studies on the fire resistance of prefabricated demountable composite beams (PDCBs) connected by bolts are limited. In this paper, four full-scale fire resistance tests were conducted to investigate the fire resistance of PDCBs connected by shear bolts with profiled sheet ribs parallel to the steel beam. Test phenomena, heating curves,...

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...

Association between gestational weight gain and perinatal outcomes among twin gestations based on the 2009 Institute of Medicine (IOM) guidelines: a systematic review

Dongxin Lin, Zheng Huang, Dazhi Fan, Gengdong Chen, Shaoxin Ye, Shuzhen Wu, Xiaoling Guo, Caihong Luo & Zhengping Liu
Gestational weight gain (GWG) has been understudied among twin pregnancies. This systematic review aimed to review the data on the associations between GWG, based on the 2009 Institute of Medicine (IOM) guidelines and pregnancy outcomes among twin gestations. A systematic review was performed according to the PRISMA guidelines. A search for eligible studies published from January 2010 to August 2020 was conducted in the EMBASE, PubMed, Web of Science, ScienceDirect, and Cochrane databases. The methodological...

Elective single versus double blastocyst-stage embryo transfer in women aged 36 years or older: a retrospective cohort study

He Cai, Ben Mol, Stephan Gordts, Hui Wang & Juanzi Shi
We evaluated if elective single-blastocyst transfer (eSBT) could be adopted in women aged 36 or older. In this retrospective cohort, women aged ≥36 years received IVF ovarian stimulation cycles and had ≥ two blastocysts. A total of 240 women underwent eSBT and 189 double-blastocyst transfer (DBT) in the first transfer cycle. The subsequent frozen-thawed embryo transfer cycles were a combination of single- and double- blastocyst transfers. Analysis was stratified for patients in age groups 36–37,...

Decreased echinocandin susceptibility in Candida parapsilosis causing candidemia and emergence of a pan-echinocandin resistant case in China

Yating Ning, Meng Xiao, David S. Perlin, Yanan Zhao, Minya Lu, Yi Li, Zhengyu Luo, Rongchen Dai, Shengjie Li, Jiajun Xu, Lingli Liu, Hong He, Yun Liu, Fushun Li, Yuguang Guo, Zhongju Chen, Yingchun Xu, Tianshu Sun & Li Zhang
Candida parapsilosis is becoming a predominant non-albicans cause of invasive candidiasis (IC). Echinocandins are the preferred choice for IC treatment and prophylaxis. Resistance to echinocandins in C. parapsilosis has emerged in several countries, but little is known about the susceptibility profile in China or about mechanisms of resistance. Here, we investigated the echinocandin susceptibilities of 2523 C. parapsilosis isolates collected from China and further explored the resistance mechanism among echinocandin-resistant isolates. Anidulafungin exhibited the highest...

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...

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...

A new diterpenoid alkaloid from Delphinium gyalanum C. Marquand & Airy Shaw

Xinyu Li, Meizhen Ye, Feng Gao, Xianli Zhou, Lin Chen & Shuai Huang
A new C19-diterpenoid alkaloid named gyalanutine A (1) and fourteen known compounds 2-15 were isolated from the plant of Delphinium gyalanum C. Marquand & Airy Shaw. Compound 1 displayed an unusual lycoctonine-type C19-diterpenoid alkaloid skeleton with the cleavage of N-C19 and C7-C17 bonds, and the construction of the N-C7 bond. Structures were identified by multiple spectroscopic analyses including 1 D, 2 D NMR, IR and HR-ESI-MS. Compounds were tested for acetylcholinesterase inhibitory and anti-inflammatory activity.

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...

CircMED12L protects against hydrogen peroxide-induced apoptotic and oxidative injury in human lens epithelial cells by miR-34a-5p/ALCAM axis

Baohua Wu, Yan Sun & Jingmei Hou
Cataract is the leading cause of visual impairment and reversible blindness. Despite advances in surgical removal of cataracts, cataract continues to be a leading public-health issue due to the complications after surgery. Circular RNAs (circRNAs) have been showed to be implicated in the pathophysiology of age-related cataract (ARC). Herein, this work elucidated the role and mechanism of circMED12L in the process of ARC. Human lens epithelial cells (HLECs) were exposed to hydrogen peroxide (H2O2) in...

Effect of ocular magnification on macular choroidal thickness measurements made using optical coherence tomography in children

Junjie Deng, Jiali Jin, Bo Zhang, Siqi Zhang, Jingjing Wang, Shuyu Xiong, Tianyu Cheng, Kun Liu, Jiannan Huang, Xiangui He & Xun Xu
To evaluate the relationship between ocular magnification correction and macular choroidal thickness (ChT) measurements in children, and to demonstrate when ocular magnification correction is necessary. Chinese children aged 6–9 years with various refractive statuses were included. Swept-source optical coherence tomography was used to measure macular ChT. A self-designed program was adopted to simulate ChT changes in each sector of the ETDRS grid in the macula under various simulated axial lengths (ALs). ChT measurements were not...

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,...

Isolation of Diaphorobacter sp. LW2 capable of degrading Phenanthrene and its migration mediated by Pythium ultimum

Jialu Li, Mei Hong, Rui Tang, Tingchen Cui, Yadong Yang, Jing Lv, Na Liu & Yutao Lei
Phenanthrene, one of polycyclic aromatic hydrocarbons, is stubborn and persistent which exists widely in petroleum contaminated soil. Filamentous fungi are good assistants to bacterial transport, by hyphae passing through soil pores and reaching further positions. An isolated bacterial strain, from the contaminated soil of coking plant, was identified as Diaphorobacter and named LW2, which could use phenanthrene as the only carbon source and energy for its growth. LW2 could degrade phenanthrene in a wide range...

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....

Amniotic fluid and urine metabolomic alterations associated with pregnant women with Down syndrome fetuses

Xiaohang Chen, Liang Hu, Jinjiang Su, Xiaoyi Liu, Xiaojin Luo, Yuanyuan Pei, Yushan Gao & Fengxiang Wei
Down syndrome (DS) is a chromosomal disorder caused by a third copy of all or part of chromosome 21. Clinical observations and preclinical studies both suggest that DS may be associated with significant metabolic and bioenergetic alterations. But the metabolic alterations in pregnant women carrying DS fetuses still remains unclear. In this study, we investigated the characteristic metabolomics and lipidomics changes during fetal development of DS. The AF and random urine specimens were selected from...

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