4,657 Works

Culture-related grief beliefs of Chinese Shidu parents: Development and psychometric properties of a new scale

Guangyuan Shi, Jun Wen, Xin Xu, Ningning Zhou, Jiani Wang, Yuqing Shi, Han Liu, Jianping Wang & Eva-Maria Stelzer
Background: In China, parents whose only-child dies and who have no living or adopted child are called Shidu parents. Negative thinking is assumed to contribute to the development of emotional problems in bereavement. Because grief cognitions are likely influenced by the concepts of Chinese traditional culture (e.g., family continuation), Shidu parents may hold specific culture-related grief beliefs about themselves or the world, which, in turn, could impede their recovery. Objective: This study developed a questionnaire...

Association of TP73-AS1 gene polymorphisms with the risk and survival of gastric cancer in a Chinese Han Population

Wangwang Chen, Jian Xiao, Liang Shi, Linling Lin, Mingkun Jiang, Yugang Ge, Zengliang Li, Hao Fan, Li Yang & Zekuan Xu
It was investigated that TP73-AS1(TP73 antisense RNA 1) could function as an oncogene in gastric cancer (GC). The expression and function of long noncoding RNAs (lncRNAs) could be impacted by single nucleotide polymorphisms (SNPs), which are related to cancer susceptibility and prognosis. This study was to reveal the association between lncRNAs TP73-AS1 polymorphisms (rs1181865 A > G, rs9800 G > C, rs3737589 A > G, rs2298222 G > A, rs7515164 C > A) and GC...

Anti-gastric cancer effect of Salidroside through elevating miR-99a expression

Lin Yang, Yanan Yu, Qi Zhang, Xiaoyu Li, Cuiping Zhang, Tao Mao, Siliang Liu & Zibin Tian
Salidroside is an active ingredient extracted from Rhodiola rosea that has anti-tumor activities. The current paper attempted to assess the impact of Salidroside on gastric cancer (GC) and explore the potential mechanism. GC cell lines (SNU-216 and MGC803) and gastric epithelial cell line GES-1 were treated with Salidroside. CCK-8 assay, colony formation assay, flow cytometry and Transwell assay were respectively performed to evaluate GC cells phenotype. qRT-PCR and western blot were conducted to reveal the...

Cross-linked nanoparticles of silk fibroin with proanthocyanidins as a promising vehicle of indocyanine green for photo-thermal therapy of glioma

De-Li ZhuGe, Li-Fen Wang, Rui Chen, Xin-Ze Li, Zhi-Wei Huang, Qing Yao, Bin Chen, Ying-Zheng Zhao, He-Lin Xu & Jian-Dong Yuan
Instability of silk fibroin nanoparticles (SFNPs) in physiologic condition hinders its application as drug delivery vehicle. Herein, indocyanine green (ICG) loaded silk fibroin nanoparticles (ICG-SFNPs) was firstly prepared and then crosslinked by proanthocyanidins to obtain the stable ICG-CSFNPs for killing the residual tumour niche under near infra-red irradiation (NIR) after surgery. The particle size and zeta potentials of ICG-CSFNPs was 120.1 nm and -40.4 mV, respectively. Moreover, ICG-CSFNPs exhibited good stability of particle size in...

Photoelectrochemical Immunosensor Based on ZnIn2S4/Bi2Se3 Nanocomposite for the Determination of Cardiac Troponin I

Wanxin Dong, Xinxin Mo, Yu Wang, Qin Lei & He Li
In this work, a novel flexible photoelectrochemical immunosensor is developed to determine cardiac troponin I (cTnI) in serum. The flower-like ZnIn2S4 nanospheres (ZIS), as signal amplification material, were successfully synthesized by a solvothermal method. The ZIS and Bi2Se3 were modified on the indium tin oxide- polyethylene terephthalate (ITO-PET) electrode, which effectively accelerates the electronic transition and improved the photocurrent conversion efficiency (signal on). However, the binding of antigen–antibody proteins blocks the electron transfer, resulting in...

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

Combined photodynamic-chemotherapy investigation of cancer cells using carbon quantum dot-based drug carrier system

Xin Li, Kandasamy Vinothini, Thiyagarajan Ramesh, Mariappan Rajan & Andy Ramu
The combined chemotherapy and photodynamic therapy have significant advantages for cancer treatments, which have higher therapeutic effects compared with other medicines. Herein, we focused on the synthesis of carbon quantum dot (CQD) based nanocarrier system. CQD and 5-aminolevulinic acid (5-ALA) were conjugated with mono-(5-BOC-protected-glutamine-6-deoxy) β-cyclodextrin (CQD-Glu-β-CD) moiety, and finally, the anticancer chemotherapy doxorubicin (DOX) drug was loaded in the 5-ALA-CQD-Glu-β-CD system. The stepwise physicochemical changes for the preparation of the DOX loaded 5-ALA-CQD-Glu-β-CD system were...

Additional file 2 of Traditional Chinese medicine Lingguizhugan decoction treating non-alcoholic fatty liver disease with spleen-yang deficiency pattern: Study protocol for a multicenter randomized controlled trial

Jingjuan Xu, Ruirui Wang, Shengfu You, Lei Zhang, Peiyong Zheng, Guang Ji & Baocheng Liu
Additional file 2. Daily dietary and exercise records.

Additional file 2 of Traditional Chinese medicine Lingguizhugan decoction treating non-alcoholic fatty liver disease with spleen-yang deficiency pattern: Study protocol for a multicenter randomized controlled trial

Jingjuan Xu, Ruirui Wang, Shengfu You, Lei Zhang, Peiyong Zheng, Guang Ji & Baocheng Liu
Additional file 2. Daily dietary and exercise records.

SPA: a peptide antagonist that acts as a cell-penetrating peptide for drug delivery

Jingjing Song, Sujie Huang, Zhengzheng Zhang, Bo Jia, Huan Xie, Ming Kai & Wei Zhang
Although cell-penetrating peptides (CPPs) has been proven to be efficient transporter for drug delivery, ideal peptide vectors for tumor therapy are still being urgently sought. Peptide antagonists have attracted substantial attention as targeting molecules because of their high tumor accumulation and antitumor activity compared with agonists. SPA, a derivative of substance P, is a potent antagonist that exhibits antitumor activity. Based on the amino acid composition of SPA, we speculate that it can translocate across...

Trends in prevalence and incidence of scabies from 1990 to 2017: findings from the global Burden of disease study 2017

Wei Zhang, Yujiao Zhang, Lina Luo, Wenyong Huang, Xiaoping Shen, Xian Dong, Wen Zeng & Hongguang Lu
Scabies remains a significant public health concern globally, affecting people of all ages, races, and socioeconomic groups. The epidemic characteristics of scabies are yet unravelled, especially in high-income countries and elderly population. In this study, we sought to investigate incidence and prevalence and their trends of scabies worldwide from 1990 to 2017 via the Global Burden of Disease (GBD) Study 2017. The prevalence and incidence of scabies tend to a moderate increase after age 70....

High neutralizing antibody titer in intensive care unit patients with COVID-19

Li Liu, Kelvin Kai-Wang To, Kwok-Hung Chan, Yik-Chun Wong, Runhong Zhou, Ka-Yi Kwan, Carol Ho-Yan Fong, Lin-Lei Chen, Charlotte Yee-Ki Choi, Lu Lu, Owen Tak-Yin Tsang, Wai-Shing Leung, Wing-Kin To, Ivan Fan-Ngai Hung, Kwok-Yung Yuen & Zhiwei Chen
Coronavirus disease 2019 (COVID-19) has a wide spectrum of disease severity from mild upper respiratory symptoms to respiratory failure. The role of neutralizing antibody (NAb) response in disease progression remains elusive. This study determined the seroprevalence of 733 non-COVID-19 individuals from April 2018 to February 2020 in the Hong Kong Special Administrative Region and compared the neutralizing antibody (NAb) responses of eight COVID-19 patients admitted to the intensive care unit (ICU) with those of 42...

Profiling serum cytokines in COVID-19 patients reveals IL-6 and IL-10 are disease severity predictors

Huan Han, Qingfeng Ma, Cong Li, Rui Liu, Li Zhao, Wei Wang, Pingan Zhang, Xinghui Liu, Guosheng Gao, Fang Liu, Yingan Jiang, Xiaoming Cheng, Chengliang Zhu & Yuchen Xia
Since the outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, China, it has rapidly spread across many other countries. While the majority of patients were considered mild, critically ill patients involving respiratory failure and multiple organ dysfunction syndrome are not uncommon, which could result death. We hypothesized that cytokine storm is associated with severe outcome. We enrolled 102 COVID-19 patients who were admitted to Renmin Hospital (Wuhan, China). All patients were classified into moderate, severe...

Goethite enhanced the Cr(VI) reduction by gallic acid through the stabilisation of free radicals: spectroscopic evidences and implication for transformation of Cr(VI) in an Oxisol

Ke Song, Yu Huang & Jiewen Yang
Produced from root exudation activities and the decomposition of organic matter, gallic acid (GA) has been shown to be widely involved in the electron transfer reactions in soils as well as the transformation of redox-sensitive pollutants, while which was subject to the mediation of solid surfaces with the unknown mechanisms. This study aimed to investigate the catalytic effect of goethite on the Cr(VI) reduction by GA and explore the implication for the transformation of Cr(VI)...

Corticosteroid prevents COVID-19 progression within its therapeutic window: a multicentre, 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
Critically ill patients with coronavirus diseases 2019 (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. 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...

A simple electrochemical method for Cd(II) determination in real samples based on carbon nanotubes and metal-organic frameworks

Ling Yu, Jing-Wei Wan, Xian-Zhu Meng, Hui-Wen Gu, Ying Chen & Hong-Chao Yi
The establishment of a simple and effective method for determination of heavy metal ions has great significance due to the high hazard of heavy metal ions to public health and environments. Herein, we developed a facile way to synthesise a nanocomposite comprised of carbon nanotubes (CNTs) and metal-organic frameworks (MOFs), and explored its application in constructing an electrochemical (EC) sensor for detection of Cd2+ in aqueous solutions. The sensing surface was simply fabricated by casting...

Co-existence of a novel plasmid-mediated efflux pump with colistin resistance gene mcr in one plasmid confers transferable multidrug resistance in Klebsiella pneumoniae

Shijun Sun, Hua Gao, Yudong Liu, Longyang Jin, Ruobing Wang, Xiaojuan Wang, Qi Wang, Yuyao Yin, Yawei Zhang & Hui Wang
Tigecycline is considered one of the last-resort antimicrobials for carbapenem-resistant K. pneumoniae. Plasmid-mediated tigecycline resistance remains largely unclear. Here, by utilizing whole genome sequencing, we report a plasmid-mediated tigecycline resistance mechanism, a 6,489 bp Resistance-nodulation-division family (RND) efflux pump (tmexCD1-toprJ1 pump), that confers transferable tigecycline resistance in K pneumoniae isolated from patients and chickens. In addition, we identified high prevalence of the plasmids co-harbouring both tmexCD1-toprJ1 pump and mcr (tmexCD1-mcr co-harbouring plasmid) from human in...

Co-existence of a novel plasmid-mediated efflux pump with colistin resistance gene mcr in one plasmid confers transferable multidrug resistance in Klebsiella pneumoniae

Shijun Sun, Hua Gao, Yudong Liu, Longyang Jin, Ruobing Wang, Xiaojuan Wang, Qi Wang, Yuyao Yin, Yawei Zhang & Hui Wang
Tigecycline is considered one of the last-resort antimicrobials for carbapenem-resistant K. pneumoniae. Plasmid-mediated tigecycline resistance remains largely unclear. Here, by utilizing whole genome sequencing, we report a plasmid-mediated tigecycline resistance mechanism, a 6,489 bp Resistance-nodulation-division family (RND) efflux pump (tmexCD1-toprJ1 pump), that confers transferable tigecycline resistance in K pneumoniae isolated from patients and chickens. In addition, we identified high prevalence of the plasmids co-harbouring both tmexCD1-toprJ1 pump and mcr (tmexCD1-mcr co-harbouring plasmid) from human in...

Increasing SARS-CoV-2 nucleic acid testing capacity during the COVID-19 epidemic in Beijing: experience from a general hospital

Qi Wang, Xiaotao Zhao, Zhihong Yue, Xiaohui Bai, Huiying Rao, Na Han, Tianbing Wang, Hui Wang & Baoguo Jiang
Under the ongoing COVID-19 prevention and control measures in China, increasing the laboratory severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) nucleic acid testing capacity has become the top priority. Since the COVID-19 outbreak in Xinfadi market in Beijing in June 2020, large-scale screening of key populations has been carried out, challenging the nucleic acid testing capabilities of hospital laboratories. Therefore, within 48 hours, Peking University People’s Hospital (PKUPH) transformed a non-nucleic acid testing laboratory into...

Acylation of the antimicrobial peptide CAMEL for cancer gene therapy

Jingjing Song, Panpan Ma, Sujie Huang, Juanli Wang, Huan Xie, Bo Jia & Wei Zhang
Obtaining ideal gene delivery vectors is still a major goal in cancer gene therapy. CAMEL, a short hybrid antimicrobial peptide, can kill cancer cells by membrane lysis. In this study, we constructed a series of non-viral vectors by attaching fatty acids with different chain lengths to the N-terminus of CAMEL. Our results showed that the cellular uptake and transfection efficiency of acyl-CAMEL started to significantly increase from a chain length of 12 carbons. C18-CAMEL was...

Investigation of Pb (II) and Cd (II) removal from aqueous solution by organic-modified xonotlite

Wei Zhou, Junliang Xin & Wenqing Tang
In this work, a novel xonotlite nanocomposite was synthesised with abandoned eggshell by hydrothermal method, and organic-modified with toluene diisocyanate (TDI) for the removal of Pb(II) and Cd(II) from wastewater. The xonotlite and organic-modified xonotlite were characterised by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunner-Emmet-Teller (BET) and Fourier transform infrared spectroscopy (FTIR) methods. The effect of solution pH, contact time, adsorbent dose, and initial concentrations were also investigated. The organic-modified xonotlite was found to...

Immune responses of a CV-A16 live attenuated candidate strain and its protective effects in rhesus monkeys

Ting Yang, Tianhong Xie, Hua Li, Xia Song, Lei Yue, Xi Wang, Dong Shen, Kaili Ma, Qinfang Jiang, Runxiang Long, Rong Yang, Xin He, Ye Zhang, Zhongping Xie & Qihan Li
Coxsackievirus A16 (CV-A16) is a major causative pathogen of hand, foot, and mouth diseases (HFMDs). The licensed HFMD vaccine targets EV-A71 without cross-protection against CV-A16. Thus, a CV-A16 vaccine is needed. In this study, the immunogenicity and protective efficacy of a live attenuated CV-A16 candidate, K168-8Ac, were evaluated in a rhesus monkey model. Four passages of this strain (P35, P50, P60, and P70) were administered to monkeys, and its protective effect was identified. The immunized...

Retracted article: Tranilast attenuates neuropathic pain during type-2 diabetes by inhibiting hypoxia-induced pro-inflammatory cytokines in Zucker diabetic fatty rat model

Wei Zhang, Jun Ma, Shan Wang, Tao Huang & Min Xia
We, the Editors and Publisher of the journalArchives of Physiology and Biochemistry, have retracted the following article: Wei Zhang, Jun Ma, Shan Wang, Tao Huang & Min Xia (2020) Tranilast attenuates neuropathic pain during type-2 diabetes by inhibiting hypoxia-induced pro-inflammatory cytokines in Zucker diabetic fatty rat model, Archives of Physiology and Biochemistry, DOI: 10.1080/13813455.2020.1854309 Since publication, the authors informed the Publisher and Editor that the authors had not received ethics approval from the Institutional Animal...

Furin-responsive triterpenine-based liposomal complex enhances anticervical cancer therapy through size modulation

Yunyan Chen, Mengfei Guo, Ding Qu, Yuping Liu, Jian Guo & Yan Chen
The accumulation and penetration of antitumor drugs in tumor tissues are directly related to their antitumor effects. The particle size of the nanodrug delivery system is one of the most important factors for the accumulation and penetration of antitumor drugs within tumor tissues. Generally, nanodelivery systems of intermediate size (100–120 nm) are capable of efficient accumulation owing to prolonged circulation and enhanced permeability and retention (EPR) effect; however, smaller ones (20–40 nm) are effective for...

Evaluation of an enclosed air-lift photobioreactor (ALPBR) for biomass and lipid biosynthesis of microalgal cells grown under fluid-induced shear stress

Ning Ding, Chao Li, Tao Wang, Meijin Guo, Ali Mohsin & Siliang Zhang
An enclosed air-lift photobioreactor (ALPBR) is considered an efficient lab-scale bioreactor for microalgae cell growth and lipid biosynthesis. However, fluid-induced shear stress and mixing are two main factors that affect physiological metabolism in microalgal cell cultures. Herein, a 50-L ALPBR after being designed and manufactured was evaluated for microalgal suspension culture. Moreover, computational fluid dynamics (CFD) simulation was used to characterize the hydrodynamics of ALPBR. Specifically, two model microalgae species Chlorella vulgaris and Chlorella protothecoides...

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