596 Works

sRNA23, a novel small RNA, regulates to the pathogenesis of Streptococcus suis serotype 2

Quanming Xu, Hong Chen, Wen Sun, Yongyi Zhang, Dewen Zhu, Kul Raj Rai, Ji-Long Chen & Ye Chen
Streptococcus suis serotype 2 (S. suis 2) is an important ubiquitous zoonotic pathogen. To date, regulatory factors and their implication in S. suis pathogenesis are not fully understood. Small non-coding RNAs (sRNAs) have been proven to function as important regulatory factors in bacterial pathogenesis and stress adaptation. Here, we identified a differentially downregulated S. suis 05ZYH33 sRNA after iron starvation by RNA-seq, which we named sRNA23. The presence of sRNA23 was further confirmed by RACE...

Special electromagnetic field-treated water and far-infrared radiation alleviates lipopolysaccharide-induced acute respiratory distress syndrome in rats by regulating haptoglobin

Changyong Luo, Yan Li, Xu Liang, Yifan Chen, Qiao Zou, Yurong Kong, Zhengguang Guo, Wei Sun & Xin Wang
Special electromagnetic field-treated water (SEW) and far-infrared radiation (FIR) can reduce acute respiratory distress syndrome (ARDS) in rats inflicted by lipopolysaccharides (LPSs). However, little is known about its underlying molecular mechanism. Differentially expressed proteins (DEPs) of SEW and FIR interventions were obtained from a proteomics database. A total of 89 DEPs were identified. Enrichment analysis of DEPs was performed using the Database for Annotation, Visualization, and Integrated Discovery. These DEPs were associated with the responses...

mRNA m5C controls adipogenesis by promoting CDKN1A mRNA export and translation

Youhua Liu, Yuanling Zhao, Ruifan Wu, Yushi Chen, Wei Chen, Yuxi Liu, Yaojun Luo, Chaoqun Huang, Botao Zeng, Xing Liao, Guanqun Guo, Yizhen Wang & Xinxia Wang
5-Methylcytosine (m5C) is a type of RNA modification that exists in tRNAs and rRNAs and was recently found in mRNA. Although mRNA m5C modification has been reported to regulate diverse biological process, its function in adipogenesis remains unknown. Here, we demonstrated that knockdown of NOL1/NOP2/Sun domain family member 2 (NSUN2), a m5C methyltransferase, increased lipid accumulation of 3T3-L1 preadipocytes through accelerating cell cycle progression during mitotic clonal expansion (MCE) at the early stage of adipogenesis....

Folic acid-modified ROS-responsive nanoparticles encapsulating luteolin for targeted breast cancer treatment

Yu Wang, Qianmei Wang, Wei Feng, Qian Yuan, Xiaowei Qi, Sheng Chen, Pu Yao, Qing Dai, Peiyuan Xia, Dinglin Zhang & Fengjun Sun
Luteolin (Lut) is a natural flavonoid polyphenolic compound with multiple pharmacological activities, such as anti-oxidant, anti-inflammatory, and anti-tumor effects. However, the poor aqueous solubility and low bioactivity of Lut restrict its clinical translation. Herein, we developed a reactive oxygen species (ROS)-responsive nanoplatforms to improve the bioactivity of Lut. Folic acid (FA) was employed to decorate the nanoparticles (NPs) to enhance its targeting ability. The size of Lut-loaded ROS-responsive nanoparticles (Lut/Oxi-αCD NPs) and FA-modified Lut/Oxi-αCD NPs...

Additional file 8 of Temporal expression study of miRNAs in the crown tissues of winter wheat grown under natural growth conditions

Menglei Wang, Chenhui Yang, Kangning Wei, Miao Zhao, Liqiang Shen, Jie Ji, Li Wang, Daijing Zhang, Junqiang Guo, Yun Zheng, Juanjuan Yu, Mo Zhu, Haiying Liu & Yong-Fang Li
Additional file 8: Table S5. Sequence of primers used in this study.

Cessation of collisional tectonism and rapid crustal uplift recorded by 430–420 Ma igneous rocks in the South Kunlun belt, northwest China

Jing Chen, Bing-Zhang Wang, Fu-Cheng Yu, Jie Han & Wu-Fu Li
The Wanbaogou granitic plutons are exposed along with coeval volcanic rocks, and provide an opportunity to investigate Silurian tectonism in the South Kunlun belt, northwest China. This study presents new whole-rock geochemical, and zircon U–Pb geochronological and Lu–Hf isotope data for Silurian intrusive rocks of the Wanbaogou area. We analysed four samples: a porphyritic monzogranite and dioritic dike from the Wanbaogou pluton and a granodiorite and monzogranite from the Wudaogou pluton. Zircon U–Pb dating yielded...

Glycolysis related gene expression signature in predicting prognosis of laryngeal squamous cell carcinoma

Hui-Ching Lau, Yujie Shen, Qiang Huang, Hui-Ying Huang & Liang Zhou
Researches have suggested that aerobic glycolysis can reflect the development and progression of most carcinomas. We aimed to investigate whether glycolysis-related genes (GRGs) are associated with overall survival in laryngeal squamous cell carcinoma (LSCC). Here, we identified differentially expressed GRGs in TCGA dataset and microarray sample of GSE27020 from GEO database. A set of two glycolytic gene signatures, including DDIT4 and PLOD2 was screened through Cox and Lasso regression. The risk score was calculated using...

Up-regulation of microRNA miR-101-3p enhances sensitivity to cisplatin via regulation of small interfering RNA (siRNA) Anti-human AGT4D and autophagy in non-small-cell lung carcinoma (NSCLC)

Dong Cui, Yu Feng & Rulin Qian
The emergence of drug resistance hinders the treatment of malignant tumors, and autophagy plays an important role in tumor chemotherapy resistance. However, its mechanism in non-small cell lung cancer (NSCLC) has not been well-researched. We aim to investigate the role of miR-101-3p in cisplatin-resistant via regulation of autophagy-related protein 4D (ATG4D) and autophagy. Cell viability, apoptosis, fluorescence intensity of GFP-LC3 and RFP-GFP-LC3 were determined using Cell Counting Kit-8 (CCK-8) assay, flow cytometry, and Laser scanning...

Astragalus polysacharin inhibits hepatocellular carcinoma-like phenotypes in a murine HCC model through repression of M2 polarization of tumour-associated macrophages

Chun Li, Xin-You Pan, Mingyun Ma, Jun Zhao, Fengda Zhao & Ya-Ping Lv
Astragalus polysaccharin (APS), an extract of Astragalus propinquus Schischk, exerts antitumor effects in hepatocellular carcinoma (HCC). This study investigated the mechanism of action of APS in HCC. Tumour-associated macrophages (TAMs) were treated with APS (0, 8, 16 mg/mL) for 24 h. APS (16 mg/mL)-treated TAMs were co-cultured with MHCC97H/Huh7 cells for 24 h. Finally, BALB/c nude mice were divided into PBS, APS (50 mg/kg), APS (100 mg/kg), APS (200 mg/kg) groups: mice were inoculated with...

Using a WeChat mini-program-based lactation consultant intervention to increase the consumption of mother’s own milk by preterm infants in the neonatal intensive care unit: a study protocol for a cluster randomized controlled trial

Jie Huo, Xinping Wu, Chuanli Gu, Zhangbin Yu, Jun Zhang, Xiaohui Chen, Jingai Zhu, Feng Liu, Beibei Liu, Qianqian Li & Shuping Han
Abstract Background The benefits of mother’s own milk (MOM) for preterm infants have been widely recognized. Many studies have shown that the rate of breastfeeding of premature infants remains very low. Although many studies use measures to promote breastfeeding, few high-quality cluster randomized controlled studies have evaluated the effectiveness of these measures. WeChat is an instant messaging software for smart terminals, and WeChat mini-programs have been widely used to promote health and self-management in China....

Three new tyrosol derivatives from Huangjing wine

Yan-Bin Ren, Xing-Wen Wang, Jia-Xuan Bai, Chang Liu, Si-Lin Yu, Yue Zhou, Cong-Cong Lin, Da-Hong Yao, Jian Huang & Jin-Hui Wang
Phytochemical investigation on the concentrate of Huangjing wine, resulted in the isolation of three new tyrosol derivatives 4′′′-hydroxyphenethyl 2-(R)-hydroxy-3-phenylpropionate (1), 4′′′-hydroxyphenethyl(4′-hydroxy-3′-methoxyphenyl)propionate (2) and 4′′-hydroxyphenethyl ethyl succinate (3), together with 5 known compounds, ferulic acid (4), L-phenyllactic acid (5), hydroxytyrosol (6), dihydroferulic acid (7), cyclo(L-Pro-D-Tyr) (8). Their structures were elucidated using spectroscopic analysis and by comparison with the literature data. All compounds displayed antioxidant effect in the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical. Among them, the new compound 2...

Taberdines L and M, two new alkaloids from Tabernaemontana divaricata

Lingling Han, Kepu Huang, Chen Chen, Wentao Zhu, Yehan Ma, Xiaojiang Hao, Hongping He & Yu Zhang
Two new alkaloids, taberdines L (1) and M (2), together with six known alkaloids, were isolated from the twigs and leaves of Tabernaemontana divaricata. Taberdine L (1) represents the first optically active natural member of the allo iboga class of alkaloids with the ethyl side chain in a bridgehead position. Their structures including absolute configuration were elucidated by a combination of MS, NMR, and ECD calculation. The in vitro cytotoxic activities of 1 and 2...

Foliar nutrient diagnosis norms for litchi (Litchi chinensis Sonn. cv. Feizixiao) in South China

Donglin Luo, Wei Wang, Cuihua Bai, Luwei Zhu, Huan Li, Changmin Zhou, Quanmin Qiu & Lixian Yao
Foliar nutrient diagnosis is a potent tool for nutrient management in crops. Litchi (Litchi chinensis Sonn.) plantation in China dominates the worldwide litchi cultivation, and Feizixiao is the most widely cultivated species in China. Herein, 538 leaf samples were collected at fruit swelling stage and the terminal shoot maturing stage during 2016–2017, and the fruit yields of all the sampled trees were recorded. The suitability of four nutrient diagnosis methods including critical value approach (CVA),...

Early Cretaceous rapid exhumation processes in the southern Great Xing’an Range, NE China: implications for extensional geodynamics

Wen Chen, Wen Zhang, Shuangfeng Zhao, Jingbo Sun, Ze Shen, Qiuyi Du & Zhi Li
The Mesozoic-Cenozoic geological evolution of the southern Great Xing’an Range (GXR) has long been controversial since it is located in the superposed region of different tectonic regimes and involves complex interactions. Here, we present low-temperature thermochronological data from granitoids emplaced in multiple magmatic stages to delineate the tectono-thermal history and further understand the geodynamic process. Most zircon and apatite (U-Th)/He ages, within error, indicate Early Cretaceous: the zircon average (U-Th)/He ages range from 146.7 ±...

MALDI-TOF MS for rapid detection and differentiation between Tet(X)-producers and non-Tet(X)-producing tetracycline-resistant Gram-negative bacteria

Zi-Jian Zheng, Ze-Hua Cui, Qiu-Yue Diao, Xin-Qing Ye, Zi-Xing Zhong, Tian Tang, Shuai-Bin Wu, Hui-Ling He, Xin-Lei Lian, Liang-Xing Fang, Xi-Ran Wang, Li-Jie Liang, Ya-Hong Liu, Xiao-Ping Liao & Jian Sun
The extensive use of tetracycline antibiotics has led to the widespread presence of tetracycline-resistance genes in Gram-negative bacteria and this poses serious threats to human and animal health. In our previous study, we reported a method for rapid detection of Tet(X)-producers using MALDI-TOF MS. However, there have been multiple machineries involved in tetracycline resistance including efflux pump, and ribosomal protection protein. Our previous demonstrated the limitation in probing the non-Tet(X)-producing tetracycline-resistant strains. In this regard,...

Identification of downstream targets and signaling pathways of long non-coding RNA NR_002794 in human trophoblast cells

Yinyao Ma, Hua Wu, Xuxia Liang, Chun Zhang, Yanhua Ma, Yanfen Wei, Jing Li & Hui Chen
Preeclampsia (PE) is a huge threat to pregnant women. Our previous study demonstrated that long non-coding RNA (lncRNA) NR_002794 was highly expressed in placentas of PE patients and could regulate the phenotypes of trophoblast cells. However, the downstream regulatory mechanisms of NR_002794 remain unknown. In this text, some potential downstream targets or signaling pathways of NR_002794 were identified through RNA sequencing (RNA-seq) and bioinformatics analysis in SWAN71 trophoblast cells. Western blot assay demonstrated that NR_002794...

Comprehensive analysis of pivotal biomarkers, immune cell infiltration and therapeutic drugs for steroid-induced osteonecrosis of the femoral head

Bo Wang, Song Gong, Wenkai Shao, Lizhi Han, Zilin Li, Zhichao Zhang, Yang Zheng, Fang Ouyang, Yan Ma, Weihua Xu & Yong Feng
Steroid-induced osteonecrosis of the femoral head (SONFH) is a progressive disease that leads to an increased disability rate. This study aimed to ascertain biomarkers, infiltrating immune cells, and therapeutic drugs for SONFH. The gene expression profile of the GSE123568 dataset was downloaded from the Gene Expression Omnibus (GEO) database. The differentially expressed genes (DEGs) were identified using the NetworkAnalyst platform. Functional enrichment, protein-protein interaction network (PPI), and module analyses were performed using Metascape tools. An...

Ages and tectonic attributes of Late Palaeozoic stratigraphic units in the Tarbagatay, West Junggar (NW China): revisited

Yan Xu, Ang Li, Wen Liao & Bao-Fu Han
As the youngest single age of detrital zircons is used as the maximum depositional age, the ages and tectonic attributes of the Late Palaeozoic stratigraphic units in the Tarbagatay area, West Junggar, NW China, become very confusing. An improved statistical approach indicates that 5, 6 and 7 concordant zircons are required for the maximum depositional age at 95% confidence level when the quantity of total concordant zircon in a sample does not exceed 50, 140...

Heterogeneous performances and consequences of China’s industrial environmental governance: clean production vs. end-of-pipe treatment

Shuai Shao, Chang Wang, Yue Guo, Bai-Chen Xie, Zhihua Tian & Shiyi Chen
Using a relational two-stage network data envelopment analysis (DEA) model considering undesirable outputs, this paper evaluates both the process and system performances of industrial environmental governance in China’s 30 provincial-level regions during 1998–2015. Furthermore, this is the first study to apply the spatial econometric models with a geographical distance matrix to investigate the local and spatial spillover effects of environmental regulations on heterogeneous environmental governance performance (i.e. clean production and end-of-pipe treatment performances). The results...

Effects of percutaneous balloon mitral valvuloplasty in patients with mitral stenosis and atrial fibrillation: a systematic review and meta-analysis

Bojiang Liu, Yunyun Wang, Yingwu Liu, Peng Wu & Tong Li
The study aimed to systematically review the existing literature and assess the effects of percutaneous balloon mitral valvuloplasty (PBMV) in patients with mitral stenosis and atrial fibrillation (AF) as opposed to sinus rhythm (SR). Eligible studies were identified from six electronic databases before June 2021. The primary outcome was mitral valve area (MVA), and secondary outcomes were hemodynamic measurements, in-hospital complications, and long-term outcomes. Relative risks (RRs) or weighted mean differences (WMDs) with 95% confidence...

Additional file 2 of Using a WeChat mini-program-based lactation consultant intervention to increase the consumption of mother’s own milk by preterm infants in the neonatal intensive care unit: a study protocol for a cluster randomized controlled trial

Jie Huo, Xinping Wu, Chuanli Gu, Zhangbin Yu, Jun Zhang, Xiaohui Chen, Jingai Zhu, Feng Liu, Beibei Liu, Qianqian Li & Shuping Han
Additional file 2.

An infectious clone of enterovirus 71(EV71) that is capable of infecting neonatal immune competent mice without adaptive mutations

Huiying Zhang, Zhigang Song, Jingyi Zou, Yanling Feng, Jing Zhang, Lehao Ren, Xiaonan Zhang, Yunwen Hu, Zhenghong Yuan & Zhigang Yi
Enterovirus 71 (EV71) is a major pathogen that causes hand, foot and mouth disease (HFMD), which is a life threatening disease in certain children. The pathogenesis of EV71-caused HFMD is poorly defined due to the lack of simple and robust animal models with severe phenotypes that recapitulate symptoms observed in humans. Here, we generated the infectious clone of a clinical isolate from a severe HFMD patient. Virus rescued from the cDNA clone was infectious in...

L-lysine potentiates aminoglycosides against Acinetobacter baumannii via regulation of proton motive force and antibiotics uptake

Wanyan Deng, Tiwei Fu, Zhen Zhang, Xiao Jiang, Jianping Xie, Hang Sun, Peng Hu, Hong Ren, Peifu Zhou, Qi Liu & Quanxin Long
Acinetobacter baumannii, a Gram-negative opportunistic pathogen, is a leading cause of hospital- and community-acquired infections. Acinetobacter baumannii can rapidly acquire diverse resistance mechanisms and undergo genetic modifications that confer resistance and persistence to all currently used clinical antibiotics. In this study, we found exogenous L-lysine sensitizes Acinetobacter baumannii, other Gram-negative bacteria (Escherichia coli and Klebsiella pneumoniae) and a Gram-positive bacterium (Mycobacterium smegmatis) to aminoglycosides. Importantly, the combination of L-lysine with aminoglycosides killed clinically isolated multidrug-resistant...

Risk factors for mortality in hemodialysis patients with COVID-19: a systematic review and meta-analysis

Fengping Wang, Guangyu Ao, Yushu Wang, Fuqiang Liu, Mulong Bao, Ming Gao, Shulu Zhou & Xin Qi
New evidence from studies on risk factors for mortality in hemodialysis (HD) patients with COVID-19 became available. We aimed to review the clinical risk factors for fatal outcomes in these patients. We performed meta-analysis using the PubMed, EMBASE, and Cochrane databases. A fixed- or random-effects model was used for calculating heterogeneity. We used contour-enhanced funnel plot and Egger’s tests to assess potential publication bias. Twenty-one studies were included. The proportion of males was lower in...

Toward Optimal Fingerprinting in Detection and Attribution of Changes in Climate Extremes

Zhuo Wang, Yujing Jiang, Hui Wan, Jun Yan & Xuebin Zhang
Abstract–Detection and attribution of climate change plays a central role in establishing the causal relationship between the observed changes in the climate and their possible causes. Optimal fingerprinting has been widely used as a standard method for detection and attribution analysis for mean climate conditions, but there has been no satisfactory analog for climate extremes. Here, we turn an intuitive concept, which incorporates the expected climate responses to external forcings into the location parameters of...

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  • 2021

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