7,789 Works

The Crohn Disease-associated ATG16L1T300A polymorphism regulates inflammatory responses by modulating TLR- and NLR-mediated signaling

Ping Gao, Hongtao Liu, Huarong Huang, Yu Sun, Baoqian Jia, Baidong Hou, Xuyu Zhou, Warren Strober & Fuping Zhang
The mechanisms by which the ATG16L1T300A polymorphism affects cell function and causes an increased risk for the development of Crohn disease remain incompletely understood. Here we report that healthy individuals and mice bearing this polymorphism, even as heterozygotes, manifest enhanced TLR, and NLR cytokine and chemokine responses due to increased activation of NFKB. We elucidated the mechanism of the NFKB abnormality and found that in the ATG16L1T300A cell, there is enhanced polyubiquitination of TRAF6 or...

The Crohn Disease-associated ATG16L1T300A polymorphism regulates inflammatory responses by modulating TLR- and NLR-mediated signaling

Ping Gao, Hongtao Liu, Huarong Huang, Yu Sun, Baoqian Jia, Baidong Hou, Xuyu Zhou, Warren Strober & Fuping Zhang
The mechanisms by which the ATG16L1T300A polymorphism affects cell function and causes an increased risk for the development of Crohn disease remain incompletely understood. Here we report that healthy individuals and mice bearing this polymorphism, even as heterozygotes, manifest enhanced TLR, and NLR cytokine and chemokine responses due to increased activation of NFKB. We elucidated the mechanism of the NFKB abnormality and found that in the ATG16L1T300A cell, there is enhanced polyubiquitination of TRAF6 or...

Alleviative effects of foraging exercise on depressive-like behaviors in chronic mild stress-induced ischemic rat model

Xi Tao, Siyuan Wu, Wenjing Tang, Lu Li, Lijun Huang, Danheng Mo, Chujuan Liu, Tao Song, Shuling Wang, Jia Wang & Juan He
Poststroke depression (PSD) is a common complication that seriously affects the functional recovery and prognosis of an individual. As some patients with PSD fail to respond to drug therapy, it is urgent to find a viable alternative treatment. An active exercise program known as foraging exercise (FE), using food as bait, was designed. First, focal ischemia and chronic unpredictable mild stress (CUMS) were used to establish a PSD model in rats. FE was then performed...

Processes and events in the centre: a dynamic data model for representing spatial change

Yufeng He, Yehua Sheng, Barbara Hofer, Yi Huang & Jiarui Qin
Traditional geographic information system models for map representation use superposition of layers to model physical reality, neglecting the integrity of the environment and limiting the ability to express interactions between features in complex phenomenon. This results in limitations regarding dynamic simulation and geographic causality reasoning. In this paper, we extend the framework of the geographic scene by formalizing the relationship between geographic processes and events to construct a dynamic data model: the process-event-centred dynamic data...

Pathogenicity factors of Phytophthora melonis revealed by comparative proteomics

Aqeel Ahmad, Waheed Akram, Rui Wang, Iqra Shahzadi, Muhammad Umer, Nasim Ahmad Yasin & Tingquan Wu
Deciphering the transcriptional activities of pathogenicity genes is critical to understand pathogenesis mechanisms of Phytophthora melonis, a devastating pathogen of cucurbits. In this study, we have performed comparative proteomics among P. melonis mutants to evaluate the interacting pathogenicity proteins. Structural characterization of all detected proteins discovered the physicochemical factors behind their pathogenic behavior. Results revealed that gamma radiations have an extreme potential to mutate P. melonis spores, and can be a safe alternative of chemical...

MERS-CoV nsp1 impairs the cellular metabolic processes by selectively downregulating mRNAs in a novel granules

Zhaoyi Pan, Yujie Feng, Zhihui Wang, Zhengyang Lei, Qiuju Han & Jian Zhang
MERS-CoV infection can damage the cellular metabolic processes, but the underlying mechanisms are largely unknown. Through screening, we found non-structural protein 1 (nsp1) of MERS-CoV could inhibit cell viability, cell cycle, and cell migration through its endonuclease activity. Transcriptome sequencing revealed that MERS-CoV nsp1 specifically downregulated the mRNAs of ribosomal protein genes, oxidative phosphorylation protein genes, and antigen presentation genes, but upregulated the mRNAs of transcriptional regulatory genes. Further analysis shown nsp1 existed in a...

Comprehensive analysis of peripheral blood non-coding RNAs identifies a diagnostic panel for fungal infection after transplantation

Anli Yang, Huadi Chen, Jianwei Lin, Ming Han, Xiaopeng Yuan, Tao Zhang, Qingwei Nian, Mengran Peng, Dian Li, Chenglin Wu & Xiaoshun He
The occurrence of fungal infection seriously affects the survival and life quality of transplanted patients. The accurate diagnosis is of particular importance in the early stage of infection. To develop a novel diagnostic method for this kind of patient, we established a post-transplant immunosuppressed mice model with fungus inoculation and collected their peripheral blood at specific time points after infection. After screening by microarray, differentially expressed miRNAs and lncRNAs were selected and homologously analyzed with...

Comprehensive analysis of peripheral blood non-coding RNAs identifies a diagnostic panel for fungal infection after transplantation

Anli Yang, Huadi Chen, Jianwei Lin, Ming Han, Xiaopeng Yuan, Tao Zhang, Qingwei Nian, Mengran Peng, Dian Li, Chenglin Wu & Xiaoshun He
The occurrence of fungal infection seriously affects the survival and life quality of transplanted patients. The accurate diagnosis is of particular importance in the early stage of infection. To develop a novel diagnostic method for this kind of patient, we established a post-transplant immunosuppressed mice model with fungus inoculation and collected their peripheral blood at specific time points after infection. After screening by microarray, differentially expressed miRNAs and lncRNAs were selected and homologously analyzed with...

Identification of a novel circular RNA circZNF652/miR-486-5p/SERPINE1 signaling cascade that regulates cancer aggressiveness in glioblastoma (GBM)

Liang Liu, Shan Xiao, Yan Wang, Zifeng Zhu, Yiyao Cao, Sen Yang, Rongkang Mai & Yong Zheng
Circular RNAs (circRNAs) are closely associated with cancer development in glioblastoma (GBM), and this study aims to explore the molecular mechanisms of a novel circular RNA circZNF652 in regulating GBM aggressiveness. The present study found that CircZNF652 and SERPINE1 were upregulated, while miR-486-5p was downregulated in GBM tissues and cell lines, and GBM patients with high expression of CircZNF652 and SERPINE1, and patients with low expression of miR-486-5p tended to have a worse prognosis. Further...

Yi Shen An, a Chinese traditional prescription, ameliorates membranous glomerulonephritis induced by cationic bovine serum albumin in rats

Yun-Li Zhao, Xiang-Hua Zhang, Feng Guo, Ying Wei, Jian-Hua Shang & Xiao-Dong Luo
Yi Shen An (YSA) is an investigational composite of traditional Chinese medicine (Reference: 2010L000974) for the treatment of renal disease. To investigate the protective effects of YSA against membranous glomerulonephritis (MGN). Male Sprague–Dawley rats were injected with cationic bovine serum albumin (C-BSA) to create a model of MGN. Then, rats were orally treated with YSA at doses of 0.25, 0.5, 1 and 2 g/kg for 35 successive days; prednisone (5 mg/kg) was used as a...

Secreted phosphoprotein 1 as a potential prognostic and immunotherapy biomarker in multiple human cancers

Ping Zeng, Xujun Zhang, Tianxin Xiang, Zongxin Ling, Chenhong Lin & Hongyan Diao
Secreted phosphoprotein 1 (SPP1) is involved in immune regulation, cell survival, and tumor progression. Studies have demonstrated that SPP1 plays an important role in certain individual tumors. However, the expression profile and oncogenic features of SPP1 in diverse cancers are remaining unknown. Therefore, we performed a comprehensive analysis using The Cancer Genome Atlas (TCGA) database. Raw data of 33 cancer types were download from the University of California Santa Cruz (UCSC) Xena website. The expression...

Intercity innovation collaboration and the role of high-speed rail connections: evidence from Chinese co-patent data

Li Yao & Jun Li
This study explores the extent to which changes in transport infrastructure counterbalance pre-existing geographical friction and foster innovation collaboration, using the Chinese high-speed rail (HSR) construction as a quasi-natural experiment. Using a comprehensive dataset of city-pair co-patents from 2005 to 2018, we show that HSR connections significantly increase intercity co-patents, patent quality and collaborative partnerships, and such effects are strongest for city-pairs within 250 km and decrease for longer distances. Moreover, the HSR effect is...

Comparison of transcriptome profiles of nucleated red blood cells in cord blood between preterm and full-term neonates

Yuanyuan Han, Ling Huang, Man Zhou, Xiaoyu Tan, Shangjin Gong, Zhaojun Zhang, Tingting Jin, Xiangdong Fang, Yankai Jia & S. W. Huang
The reactivation of fetal γ-globin expression is an effective strategy for ameliorating the clinical symptoms of β-hemoglobinopathies. However, the mechanism of globin switching, especially the roles of long non-coding RNAs (lncRNAs) in this process, remains elusive. We compared the in vivo transcriptome profiles of nucleated red blood cells (NRBCs) isolated from the umbilical cord blood of preterm and full-term newborns. We collected 75 umbilical cord blood samples and performed qPCR of the candidate genes. In...

Primary graft failure following allogeneic hematopoietic stem cell transplantation: risk factors, treatment and outcomes

Juan Chen, Aiming Pang, Yuanqi Zhao, Li Liu, Runzhi Ma, Jialin Wei, Xin Chen, Yi He, Donglin Yang, Rongli Zhang, Weihua Zhai, Qiaoling Ma, Erlie Jiang, Mingzhe Han, Jiaxi Zhou & Sizhou Feng
Graft failure (GF) is an intractable complication of transplantation, which can severely affect the efficacy of the graft; however, the characteristics, incidence, and risk factors of primary GF have not been well described. This study aimed to analyze the risk factors and outcomes of primary GF to swiftly identify high-risk patients for GF. We performed a case-control study with a case-control ratio of 1:4 with 869 patients who underwent allogeneic hematopoietic stem cell transplantation (allo-HSCT)...

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...

AFAP1 antisense RNA 1 promotes retinoblastoma progression by sponging microRNA miR-545-3p that targets G protein subunit beta 1

Wenting Tang, Li Zhang, Jing Li & Yu Guan
The oncogenic role of actin filament-associated protein 1 antisense RNA 1 (AFAP1-AS1) has been reported in retinoblastoma (RB). However, the underlying regulatory mechanisms remain poorly understood. In this study, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and Western blotting were performed to analyze the expression of AFAP1-AS1, microRNA miR-545-3p, or G protein subunit beta 1 (GNB1). Cell Counting Kit-8 (CCK-8) and Transwell migration assays were used to detect cell proliferation and migration. In addition, caspase-3 activity...

Molecular epidemiology of carbapenem-resistant hypervirulent Klebsiella pneumoniae in China

Xuemei Yang, Qiaoling Sun, Jiaping Li, Yu Jiang, Yi Li, Jianping Lin, Kaichao Chen, Edward Wai-Chi Chan, Rong Zhang & Sheng Chen
The epidemiological features of the newly emerged carbapenem-resistant hypervirulent Klebsiella pneumoniae (CR-HvKP) and its potential threat to human health are currently unknown. In this study, a total of 784 blaKPC-2-bearing CRKP strains collected from three hospitals located at different geographical locales in China during 2014–2017 were subjected to molecular typing, screening of virulence plasmid, string test and WGS (367/784 strains). The proportion of CRKP among all clinical K. pneumoniae strains increased sharply in China during...

Classification and expression analysis of cucumber (Cucumis sativus L.) callose synthase (CalS) family genes and localization of CsCalS4, a protein involved in pollen development

Hongyun Wang, Shoujun Cao, Tao Li, Lili Zhang, Jiangang Yao, Xiubo Xia & Ruiqing Zhang
Callose plays an important role in plant development and response to multiple biotic and abiotic stresses. Callose synthase (CalS; EC 2.4.1.34), the main enzyme in callose synthesis, has been studied in a number of crops but not in cucumber (Cucumis sativus L.). In this study, 10 genes encoding putative callose synthase were identified and classified into four clades. Expression levels of the 10 CsCalS genes, which varied considerably, were detected in most analyzed organs. Transcription...

Long non-coding RNA ZFAS1 regulates cell proliferation and invasion in cervical cancer via the miR-190a-3p/KLF6 axis

Yuehui Su, Wenjing Hou, Chunyan Zhang, Pengcheng Ji, Rui Hu, Qiongying Zhang, Yao Wang, Panpan Li, Huiping Zhang, Yueyue Chen, Xiaodong Zhang & Mengzhen Zhang
Long non-coding RNA (lncRNA) ZFAS1 (zinc finger antisense 1) was demonstrated to play critical roles in various cancer progression. However, the functions of ZFAS in cervical cancers (CC) are unclear. Human CC cell lines were used for in vitro experiments. RT-qPCR (Real Time Quantitative PCR) was performed to detect the expression of ZFAS1, microRNA-190a-3p (miR-190a-3p) and Kruppel-like factor 6 (KLF6). Cell proliferation, invasion and migration assays were used to investigate biological behaviors of CC cells...

Bone marrow mesenchymal stem cells-derived exosomal microRNA-124-3p attenuates hypoxic-ischemic brain damage through depressing tumor necrosis factor receptor associated factor 6 in newborn rats

Weijie Min, Yina Wu, Yibin Fang, Bo Hong, Dongwei Dai, Yu Zhou, Jianmin Liu & Qiang Li
Mesenchymal stem cells (MSCs)-derived exosomes (Exo) are beneficial in the use of brain damages. Restrictively, the mechanism of Exo expressing miR-124-3p in hypoxic-ischemic brain damage (HIBD) is not completely comprehended. Thereupon, this work was put forward to reveal the action of bone marrow MSCs-derived Exo (BMSCs-Exo) expressing miR-124-3p in the illness. BMSCs were isolated and transfected with miR-124-3p agomir. Then, BMSCs-Exo were extracted and identified. The newborn HIBD rats were injected with miR-124-3p-modified BMSCs-Exo or...

A transcriptomic analysis of neuropathic pain in the anterior cingulate cortex after nerve injury

Yu Zhang, Shiwei Jiang, Fei Liao, Zhifeng Huang, Xin Yang, Yu Zou, Xin He, Qulian Guo & Changsheng Huang
The anterior cingulate cortex (ACC) is a core brain region processing pain emotion. In this study, we performed RNA sequencing analysis to reveal transcriptomic profiles of the ACC in a rat chronic constriction injury (CCI) model. A total of 1628 differentially expressed genes (DEGs) were identified by comparing sham-operated rats with rats of 12 hours, 1, 3, 7, and 14 days after surgery, respectively. Although these inflammatory-related DEGs were generally increased after CCI, different kinetics...

Kavalactones isolated from Alpinia zerumbet (Pers.) Burtt. et Smith with protective effects against human umbilical vein endothelial cell damage induced by high glucose

Hualin You, Min He, Di Pan, Guanqin Fang, Yan Chen, Xu Zhang, Xiangchun Shen & Nenling Zhang
A new kavalactone, 4'-hydroxyl dihydro-5, 6-dehydrokavain (1) was isolated from the petroleum ether partition of leaves of Alpinia zerumbet (Pers.) Burtt. et Smith, together with four known kavalactone dimers, rel-1,trans-3-bis-(4-methoxy-2-oxopyran-6-yl)-cis-2,trans-4-diphenyl cyclobutene (2), aniba dimer A (3), aniba dimer C (4), 6,6'-(3,4-diphenylcyclobutane-1,2-diyl)bis(4-methoxy-2H-pyran-2-one (5). The structure of compound 1 was characterized by its MS, 1D-NMR, and 2D-NMR data, and the structures of the known compounds were determined by comparison of their spectroscopic data with those reported by...

Genome-wide identification and expression analysis of calmodulin and calmodulin-like genes in wheat (Triticum aestivum L.)

Yongwei Liu, Wenye Chen, Linbin Liu, Yuhuan Su, Yuan Li, Weizhe Jia, Bo Jiao, Jiao Wang, Fan Yang, Fushuang Dong, Jianfang Chai, He Zhao, Mengyu Lv, Yanyi Li & Shuo Zhou
Calmodulin (CaM) and calmodulin-like (CML) genes are widely involved in plant growth and development and mediating plant stress tolerance. However, the whole genome scale studies about CaM and CML gene families have not been done in wheat, and the possible functions of most wheat CaM/CML gene members are still unknown. In this study, a total of 18 TaCaM and 230 TaCML gene members were identified in wheat genome. Among these genes, 28 TaCaM/CML gene members...

Genome-wide identification and expression analysis of calmodulin and calmodulin-like genes in wheat (Triticum aestivum L.)

Yongwei Liu, Wenye Chen, Linbin Liu, Yuhuan Su, Yuan Li, Weizhe Jia, Bo Jiao, Jiao Wang, Fan Yang, Fushuang Dong, Jianfang Chai, He Zhao, Mengyu Lv, Yanyi Li & Shuo Zhou
Calmodulin (CaM) and calmodulin-like (CML) genes are widely involved in plant growth and development and mediating plant stress tolerance. However, the whole genome scale studies about CaM and CML gene families have not been done in wheat, and the possible functions of most wheat CaM/CML gene members are still unknown. In this study, a total of 18 TaCaM and 230 TaCML gene members were identified in wheat genome. Among these genes, 28 TaCaM/CML gene members...

Genome-wide identification and expression pattern analysis of the TCP transcription factor family in Ginkgo biloba

Li Yu, Qiangwen Chen, Jiarui Zheng, Feng Xu, Jiabao Ye, Weiwei Zhang, Yongling Liao & Xiaoyan Yang
Plant-specific TCP transcription factors play an essential role in plant growth and development. They can regulate leaf curvature, flower symmetry and the synthesis of secondary metabolites. The flavonoids in Ginkgo biloba leaf are one of the main medicinally bioactivate compounds, which have pharmacological and beneficial health effects for humans. In this study, a total of 13 TCP genes were identified in G. biloba, and 5 of them belonged to PCF subclades (GbTCP03, GbTCP07, GbTCP05, GbTCP13,...

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