435 Works

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...

Era of molecular diagnosis for pathogen identification of unexplained pneumonia, lessons to be learned

Jing-Wen Ai, Yi Zhang, Hao-Cheng Zhang, Teng Xu & Wen-Hong Zhang
Unexplained pneumonia (UP) caused by a novel coronavirus SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) emerged in China in late December 2019 and has infected more than 9000 cases by 31 January 2020. Shanghai reported the first imported case of COVID-19 (Coronavirus Disease 2019) in 20 January 2020. A combinative approach of real-time RT–PCR, CRISPR-based assay and metagenomic next-generation sequencing (mNGS) were used to diagnose this unexplained pneumonia patient. Real-time RT–PCR and CRISPR-based assay both...

Era of molecular diagnosis for pathogen identification of unexplained pneumonia, lessons to be learned

Jing-Wen Ai, Yi Zhang, Hao-Cheng Zhang, Teng Xu & Wen-Hong Zhang
Unexplained pneumonia (UP) caused by a novel coronavirus SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) emerged in China in late December 2019 and has infected more than 9000 cases by 31 January 2020. Shanghai reported the first imported case of COVID-19 (Coronavirus Disease 2019) in 20 January 2020. A combinative approach of real-time RT–PCR, CRISPR-based assay and metagenomic next-generation sequencing (mNGS) were used to diagnose this unexplained pneumonia patient. Real-time RT–PCR and CRISPR-based assay both...

Kinetics of SARS-CoV-2 specific IgM and IgG responses in COVID-19 patients

Baoqing Sun, Ying Feng, Xiaoneng Mo, Peiyan Zheng, Qian Wang, Pingchao Li, Ping Peng, Xiaoqing Liu, Zhilong Chen, Huimin Huang, Fan Zhang, Wenting Luo, Xuefeng Niu, Peiyu Hu, Longyu Wang, Hui Peng, Zhifeng Huang, Liqiang Feng, Feng Li, Fuchun Zhang, Fang Li, Nanshan Zhong & Ling Chen
The emerging COVID-19 caused by SARS-CoV-2 infection poses severe challenges to global public health. Serum antibody testing is becoming one of the critical methods for the diagnosis of COVID-19 patients. We investigated IgM and IgG responses against SARS-CoV-2 nucleocapsid (N) and spike (S) protein after symptom onset in the intensive care unit (ICU) and non-ICU patients. 130 blood samples from 38 COVID-19 patients were collected. The levels of IgM and IgG specific to N and...

Risks and features of secondary infections in severe and critical ill COVID-19 patients

Haocheng Zhang, Yi Zhang, Jing Wu, Yang Li, Xian Zhou, Xin Li, Haili Chen, Mingquan Guo, Shu Chen, Feng Sun, Richeng Mao, Chao Qiu, Zhaoqin Zhu, Jingwen Ai & Wenhong Zhang
Objectives Severe or critical COVID-19 is associated with intensive care unit admission, increased secondary infection rate, and would lead to significant worsened prognosis. Risks and characteristics relating to secondary infections in severe COVID-19 have not been described. Methods Severe and critical COVID-19 patients from Shanghai were included. We collected lower respiratory, urine, catheters, and blood samples according to clinical necessity and culture and mNGS were performed. Clinical and laboratory data were archived. Results We found...

Oxidative stress and NF-κB signaling are involved in LPS induced pulmonary dysplasia in chick embryos

Yun Long, Guang Wang, Ke Li, Zongyi Zhang, Ping Zhang, Jing Zhang, Xiaotan Zhang, Yongping Bao, Xuesong Yang & Pengcheng Wang
Inflammation or dysbacteriosis-derived lipopolysaccharides (LPS) adversely influence the embryonic development of respiratory system. However, the precise pathological mechanisms still remain to be elucidated. In this study, we demonstrated that LPS exposure caused lung maldevelopment in chick embryos, including higher embryo mortality, increased thickness of alveolar gas exchange zone, and accumulation of PAS+ immature pulmonary cells, accompanied with reduced expression of alveolar epithelial cell markers and lamellar body count. Upon LPS exposure, pulmonary cell proliferation was...

sj-xlsx-3-tam-10.1177_1758835920977117 – Supplemental material for Low intratumor heterogeneity correlates with increased response to PD-1 blockade in renal cell carcinoma

Xia Ran, Jinyuan Xiao, Yi Zhang, Huajing Teng, Fang Cheng, Huiqian Chen, Kaifan Zhang & Zhongsheng Sun
Supplemental material, sj-xlsx-3-tam-10.1177_1758835920977117 for Low intratumor heterogeneity correlates with increased response to PD-1 blockade in renal cell carcinoma by Xia Ran, Jinyuan Xiao, Yi Zhang, Huajing Teng, Fang Cheng, Huiqian Chen, Kaifan Zhang and Zhongsheng Sun in Therapeutic Advances in Medical Oncology

Oxidative Stress and NF-κB signaling are involved in LPS induced pulmonary dysplasia in chick embryos

Yun Long, Guang Wang, Ke Li, Zong-yi Zhang, Ping Zhang, Jing Zhang, Xiao-tan Zhang, Yongping Bao, Xuesong Yang & Peng-cheng Wang
Inflammation or dysbacteriosis-derived lipopolysaccharides (LPS) adversely influence the embryonic development of respiratory system. However, the precise pathological mechanisms still remain to be elucidated. In this study, we demonstrated that LPS exposure caused lung maldevelopment in chick embryos, including higher embryo mortality, increased thickness of alveolar gas exchange zone, and accumulation of PAS+ immature pulmonary cells, accompanied with reduced expression of alveolar epithelial cell markers and lamellar body count. Upon LPS exposure, pulmonary cell proliferation was...

Calcineurin-mediated intracellular organelle calcium homeostasis is required for the survival of fungal pathogens upon extracellular calcium stimuli

Chi Zhang, Yiran Ren, Huiyu Gu, Lu Gao, Yuanwei Zhang & Ling Lu
In eukaryotes, calcium not only is an essential mineral nutrient but also serves as an intracellular second messenger that is necessary for many physiological processes. Previous studies showed that the protein phosphatase-calcineurin protects fungi from toxicity caused by the extracellular calcium; however, little is known about how calcineurin mediates the cellular physiology process for this function. In this study, by monitoring intracellular calcium, particularly by tracking vacuolar calcium dynamics in living cells through a novel...

Long non-coding RNA RP11-283G6.5 confines breast cancer development through modulating miR-188-3p/TMED3/Wnt/β-catenin signalling

Jing Pei, Shengquan Zhang, Xiaowei Yang, Chunguang Han, Yubo Pan, Jun Li, Zhaorui Wang, Chenyu Sun & Jing Zhang
The contributions of long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) to breast cancer are critical areas of investigation. In this study, we identified a novel lncRNA RP11-283G6.5 which was lowly expressed in breast cancer and whose low expression was correlated with poor overall survival and disease-free survival of breast cancer patients. Functional experiments revealed that ectopic expression of RP11-283G6.5 confined breast cancer cellular growth, migration, and invasion, and promoted cellular apoptosis. Conversely, RP11-283G6.5 silencing facilitated...

SUVA: splicing site usage variation analysis from RNA-seq data reveals highly conserved complex splicing biomarkers in liver cancer

Chao Cheng, Lei Liu, Yongli Bao, Jingwen Yi, Weili Quan, Yaqiang Xue, Luguo Sun & Yi Zhang
Most of the current alternative splicing (AS) analysis tools are powerless to analyse complex splicing. To address this, we developed SUVA (Splice sites Usage Variation Analysis) that decomposes complex splicing events into five types of splice junction pairs. By analysing real and simulated data, SUVA showed higher sensitivity and accuracy in detecting AS events than the compared methods. Notably, SUVA detected extensive complex AS events and screened out 69 highly conserved and dominant AS events...

SUVA: splicing site usage variation analysis from RNA-seq data reveals highly conserved complex splicing biomarkers in liver cancer

Chao Cheng, Lei Liu, Yongli Bao, Jingwen Yi, Weili Quan, Yaqiang Xue, Luguo Sun & Yi Zhang
Most of the current alternative splicing (AS) analysis tools are powerless to analyse complex splicing. To address this, we developed SUVA (Splice sites Usage Variation Analysis) that decomposes complex splicing events into five types of splice junction pairs. By analysing real and simulated data, SUVA showed higher sensitivity and accuracy in detecting AS events than the compared methods. Notably, SUVA detected extensive complex AS events and screened out 69 highly conserved and dominant AS events...

Early 2 factor (E2F) transcription factors contribute to malignant progression and have clinical prognostic value in lower-grade glioma

Haitao Luo, Chuming Tao, Xiaoyan Long, Xingen Zhu & Kai Huang
Early 2 factor (E2F) genes encoding a family of transcription factors are significantly associated with apoptosis, metabolism, and angiogenesis in several tumor types. However, the biological functions of E2F transcription factors (E2Fs) and their potential involvement in the malignancy of lower-grade glioma (LGG) remain unclear. We explored the effects of the expression of eight E2F family members on the clinical characteristics of LGG based on the Chinese Glioma Genome Atlas (CGGA), The Cancer Genome Atlas...

Kinetics of SARS-CoV-2 specific IgM and IgG responses in COVID-19 patients

Baoqing Sun, Ying Feng, Xiaoneng Mo, Peiyan Zheng, Qian Wang, Pingchao Li, Ping Peng, Xiaoqing Liu, Zhilong Chen, Huimin Huang, Fan Zhang, Wenting Luo, Xuefeng Niu, Peiyu Hu, Longyu Wang, Hui Peng, Zhifeng Huang, Liqiang Feng, Feng Li, Fuchun Zhang, Fang Li, Nanshan Zhong & Ling Chen
The emerging COVID-19 caused by SARS-CoV-2 infection poses severe challenges to global public health. Serum antibody testing is becoming one of the critical methods for the diagnosis of COVID-19 patients. We investigated IgM and IgG responses against SARS-CoV-2 nucleocapsid (N) and spike (S) protein after symptom onset in the intensive care unit (ICU) and non-ICU patients. 130 blood samples from 38 COVID-19 patients were collected. The levels of IgM and IgG specific to N and...

Identification of fibronectin 1 (FN1) and complement component 3 (C3) as immune infiltration-related biomarkers for diabetic nephropathy using integrated bioinformatic analysis

Yuejun Wang, Mingming Zhao & Yu Zhang
Immune cell infiltration (ICI) plays a pivotal role in the development of diabetic nephropathy (DN). Evidence suggests that immune-related genes play an important role in the initiation of inflammation and the recruitment of immune cells. However, the underlying mechanisms and immune-related biomarkers in DN have not been elucidated. Therefore, this study aimed to explore immune-related biomarkers in DN and the underlying mechanisms using bioinformatic approaches. In this study, four DN glomerular datasets were downloaded, merged,...

RETRACTED ARTICLE: KIAA1429 promotes osteosarcoma progression by promoting stem cell properties and is regulated by miR-143-3p

Qicai Han, Jie Yang, Hao Yang, Chao Li, Juan Li & Yuan Cao
We, the Editors and Publisher of the journal Cell Cycle, have retracted the following article: Qicai Han, Jie Yang, Hao Yang, Chao Li, Juan Li & Yuan Cao (2020) KIAA1429 promotes osteosarcoma progression by promoting stem cell properties and is regulated by miR-143-3p, Cell Cycle, 19:10, 1172-1185, DOI: 10.1080/15384101.2020.1749465 Since publication, concerns have been raised about similarity of the data in another published article: Yang J, Han Q, Li C, Yang H, Chen X, Wang...

RETRACTED ARTICLE: Hsa_circ_0101432 promotes the development of hepatocellular carcinoma (HCC) by adsorbing miR-1258 and miR-622

Haibo Zou, Xiangang Xu, Lanyun Luo, Yu Zhang, Le Luo, Yutong Yao, Guangming Xiang, Xiaolun Huang & Guan Wang
Hsa_circ_0101432 promotes the development of hepatocellular carcinoma (HCC) by adsorbing miR-1258 and miR-622 We, the Editors and Publisher of the journal Cell Cycle, have retracted the following article: Haibo Zou, Xiangang Xu, Lanyun Luo, Yu Zhang, Le Luo, Yutong Yao, Guangming Xiang, Xiaolun Huang, and Guan Wang. Hsa_circ_0101432 promotes the development of hepatocellular carcinoma (HCC) by adsorbing miR-1258 and miR-622. Cell Cycle. 2019;18(19):2398-2413. doi: 10.1080/15384101.2019.1618120. Since publication, significant concerns have been raised about the integrity...

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...

Identification and verification of vascular cell adhesion protein 1 as an immune-related hub gene associated with the tubulointerstitial injury in diabetic kidney disease

Yan Jia, Hui Xu, Qi Yu, Lishan Tan & Zuying Xiong
Diabetic kidney disease (DKD) is the leading cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD), but the pathogenesis is not completely understood. Tubulointerstitial injury plays critical roles in the development and progression of DKD. The present study aimed to investigate the profile of tubulointerstitial immune cell infiltration and reveal the underlying mechanisms between tubular cell injury and interstitial inflammation in DKD using bioinformatics strategies. First, xCell analysis identified immune cells displaying significant...

Molecular investigation of infection sources and transmission chains of brucellosis in Zhejiang, China

Heng Wang, Wei-min Xu, Kuang-ji Zhu, Su-juan Zhu, Hong-fang Zhang, Jia Wang, Yang Yang, Feng-yao Shao, Neng-ming Jiang, Zhen-yang Tao, Hang-yi Jin, Yi Tang, Liang-liang Huo, Fang Dong, Zhen-jun Li, Hua Ding & Zhi-guo Liu
In the present study, a total of 7793 samples from 5 different types of hosts were collected and tested, with a seroprevalence of 2.4% (184/7793). Although the seroprevalence of human and animal brucellosis is relatively low, numbers of human brucellosis cases reported have increased continuously from 2004 to 2018. A total of 118 Brucella strains containing 4 biotypes were obtained, including Brucella melitensis bv.1 (n = 8) and bv.3 (n = 106), Brucella abortus bv.3...

Circular RNA–microRNA–mRNA network identified circ_0007618 and circ_0029426 as new valuable biomarkers for lung adenocarcinoma

Qiang Zhang, Yungang Sun, Chao Wang & Feng Shao
Circular RNAs (circRNAs) are involved in multiple physiological processes. However, whether circRNAs function as the indicators of lung adenocarcinoma (LUAD) remains unclear. Three LUAD-related microarray datasets were downloaded from the Gene Expression Omnibus database, and overlapping differentially expressed circRNAs (DECs) in LUAD were identified. circ_0007618 and circ_0029426 were revealed to be significantly dysregulated in LUAD and verified in LUAD tissues and serum obtained in this study. Subsequently, the overall survival curve and receiver operating characteristics...

Chloroquine treatment induces secretion of autophagy-related proteins and inclusion of Atg8-family proteins in distinct extracellular vesicle populations

Jing Xu, Kevin C Yang, Nancy Erro Go, Shane Colborne, Cally J Ho, Elham Hosseini-Beheshti, Alf H Lystad, Anne Simonsen, Emma Tomlinson Guns, Gregg B Morin & Sharon M Gorski
Chloroquine (CQ), a lysosomotropic agent, is commonly used to inhibit lysosomal degradation and macroautophagy/autophagy. Here we investigated the cell-extrinsic effects of CQ on secretion. We showed that lysosomal and autophagy inhibition by CQ altered the secretome, and induced the release of Atg8 orthologs and autophagy receptors. Atg8-family proteins, in particular, were secreted inside small extracellular vesicles (sEVs) in a lipidation-dependent manner. CQ treatment enhanced the release of Atg8-family proteins inside sEVs. Using full-length ATG16L1 and...

Prospero homeobox 1 promotes proliferation, migration, and invasion of osteosarcoma cells and its clinical significance

Dawei Liu, Ran Wang, Yuefeng Wang, Ye Wang & Liantang Wang
Osteosarcoma (OS) is the most common primary malignant bone tumor. Prospero homeobox 1 (PROX1) is a key transcription factor involved in some cancers, but the role of PROX1 in OS is unclear. This study aimed to explore the clinical and biology significance of PROX1 in OS. Fifty-four OS tissues and matched nontumor tissues were collected to explore the relationship between PROX1 expression and clinical characteristics and prognosis. qRT-PCR and immunohistochemistry were used to investigate the...

Circular RNA coiled-coil domain containing 66 regulates malignant development of papillary thyroid carcinoma by upregulating La ribonucleoprotein 1 via the sponge effect on miR-129-5p

Peipei Li, Junhui Chen, Jun Zou, Wei Zhu, Yan Zang & Hongwu Li
Circular RNAs (circRNAs) play vital roles in the development and progression of various diseases. CircRNA coiled-coil domain containing 66 (circ-CCDC66) has been reported to be involved in several cancers, but its biological function and underlying mechanism in papillary thyroid carcinoma (PTC) remain unclear. We detected the relative expression level of circ-CCDC66 in PTC specimens and cell lines using real-time reverse transcription PCR. In addition, EdU assay, transwell assay, and xenograft analysis were performed to measure...

Knockdown of circ_0001679 alleviates lipopolysaccharide-induced MLE-12 lung cell injury by regulating the miR-338-3p/ mitogen-activated protein kinase 1 axis

Shenggui Lu, Xinmiao Wu, Shuai Xin, Jing Zhang, Hanying Lin, Yu Miao & Yixin Li
The upregulation of circ_0001679 was reported in lipopolysaccharide (LPS)-induced lung injury mouse model, but its functional roles and mechanisms in LPS-induced lung injury remain to be investigated. In this study, we aimed to explore the potential role of circ_0001679 in septic acute lung injury. We initially established an in vitro lung cell injury model using LPS-treated MLE-12 cells. siRNAs targeting circRNA_0001679 were employed to stably knock down circRNA_0001679, followed by functional assays to investigate the...

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