530 Works

Evaluation of the silkworm lemon mutant as an invertebrate animal model for human sepiapterin reductase deficiency

Fangyin Dai, Guihua Jiang, Jiangbo Song, Hai Hu & Xiaoling Tong
Human sepiapterin reductase deficiency is an inherited disease caused by SPR gene mutations and is a monoamine neurotransmitter disorder. Here, we investigated whether the silkworm lemon mutant could serve as a model of sepiapterin reductase deficiency. A point mutation in the BmSPR gene led to a five amino acid deletion at the carboxyl terminus in the lemon mutant. In addition, classical phenotypes seen in sepiapterin reductase deficient patients were observed in the lemon mutant, including...

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...

Ventromedial prefrontal cortex drives the prioritization of self-associated stimuli in working memory

Shouhang Yin, Taiyong Bi, Antao Chen & Tobias Egner
Humans show a pervasive bias for processing self- over other-related information, including in working memory (WM), where people prioritize the maintenance of self- (over other-) associated cues. To elucidate the neural mechanisms underlying this self-bias, we paired a self- vs. other-associated spatial WM task with functional magnetic resonance imaging (fMRI) and transcranial direct current stimulation (tDCS). Maintaining self- (over other-) associated cues resulted in enhanced delay-period activity in classic WM regions (frontoparietal cortex), and in...

Pig as a reservoir of CRISPR type TST4 Salmonella enterica serovar Typhimurium monophasic variant during 2009–2017 in China

Xiaolei Xie, Zhenyu Wang, Kai Zhang, Yang Li, Yachen Hu, Zhiming Pan, Xiang Chen, Qiuchun Li & Xinan Jiao
CRISPR-based typing was performed to subtype isolates of S. Typhimurium and its monophasic variant Salmonella 4,[5],12:i:- from humans and animals between 2009 and 2017 in China. CRISPR typing classified all isolates into two lineages and four sub-lineages. All isolates from Lineage II and Lineage IB-1 were Salmonella Typhimurium. All of Salmonella 4,[5],12:i: – isolates were distributed in Lineage IA and Lineage IB-2, which all belonged to ST34 by MLST typing. Only Lineage IB-2 contained ST34...

Pig as a reservoir of CRISPR type TST4 Salmonella enterica serovar Typhimurium monophasic variant during 2009–2017 in China

Xiaolei Xie, Zhenyu Wang, Kai Zhang, Yang Li, Yachen Hu, Zhiming Pan, Xiang Chen, Qiuchun Li & Xinan Jiao
CRISPR-based typing was performed to subtype isolates of S. Typhimurium and its monophasic variant Salmonella 4,[5],12:i:- from humans and animals between 2009 and 2017 in China. CRISPR typing classified all isolates into two lineages and four sub-lineages. All isolates from Lineage II and Lineage IB-1 were Salmonella Typhimurium. All of Salmonella 4,[5],12:i: – isolates were distributed in Lineage IA and Lineage IB-2, which all belonged to ST34 by MLST typing. Only Lineage IB-2 contained ST34...

Biodistribution of etoposide via intratumoral chemotherapy with etoposide-loaded implants

Chunsheng Wu, Xiangting Yi, Renzhi Xu, Maokuan Zhang, Yan Xu, Yan Ma, Li Gao & Zhengbao Zha
Etoposide (VP16) is the traditional antitumor agent which has been widely used in a variety of cancers. However, intravenous administration of VP16 was limited in clinical application because of its low aqueous solubility, poor bioavailability and dose-limiting adverse effects. Local chemotherapy with VP16-loaded drug delivery systems could provide a continuous release of drug at the target site, while minimizing the systemic toxicity. In this study, we prepared the poly-l-lactic acid (PLLA) based VP16-loaded implants (VP16...

Expression of circular RNAs during C2C12 myoblast differentiation and prediction of coding potential based on the number of open reading frames and N6-methyladenosine motifs

Rui Chen, Ting Jiang, Si Lei, Yanling She, Huacai Shi, Shanyao Zhou, Jun Ou & Yulin Liu
The importance of circular RNAs (circRNAs) as regulators of muscle development and muscle-associated disorders is becoming increasingly apparent. To explore potential regulators of muscle differentiation, we determined the expression profiles of circRNAs of skeletal muscle C2C12 myoblasts and myotubes using microarray analysis. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to explore circRNA functions. We also established competing endogenous RNA (ceRNA) networks using bioinformatics methods and predicted the coding...

Expression of circular RNAs during C2C12 myoblast differentiation and prediction of coding potential based on the number of open reading frames and N6-methyladenosine motifs

Rui Chen, Ting Jiang, Si Lei, Yanling She, Huacai Shi, Shanyao Zhou, Jun Ou & Yulin Liu
The importance of circular RNAs (circRNAs) as regulators of muscle development and muscle-associated disorders is becoming increasingly apparent. To explore potential regulators of muscle differentiation, we determined the expression profiles of circRNAs of skeletal muscle C2C12 myoblasts and myotubes using microarray analysis. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to explore circRNA functions. We also established competing endogenous RNA (ceRNA) networks using bioinformatics methods and predicted the coding...

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...

Analysis of Collagen type X alpha 1 (COL10A1) expression and prognostic significance in gastric cancer based on bioinformatics

Shuai Chen, Yi Wei, Hanyang Liu, Yu Gong, Yan Zhou, Haojun Yang & Liming Tang
Collagen type X alpha 1 (COL10A1) is a member of the collagen family and the main matrix component. However, COL10A1 expression and prognosis relationship remains unclear in gastric cancer (GC). Through the analysis of database of Oncomine, the Cancer Genome Atlas (TCGA) as well as the Gene Expression Omnibus (GEO), in contrast to the tissue of normal gastric, COL10A1 in gastric cancer, had been upregulated. The high expression of COL10A1 was obviously related to T...

Data from: Restriction site-associated DNA sequencing for SNP discovery and high-density genetic map construction in southern catfish (Silurus meridionalis)

Mimi Xie, Yao Ming, Feng Shao, Jianbo Jian, Yaoguang Zhang & Zuogang Peng
Single nucleotide polymorphism (SNP) markers and high-density genetic maps are important resources for marker-assisted selection, mapping of quantitative trait loci (QTLs), and genome structure analysis. Although linkage maps in certain catfish species have been obtained, high-density maps remain unavailable in the economically important southern catfish (Silurus meridionalis). Recently developed restriction site-associated DNA (RAD) markers have proven to be a promising tool for SNP detection and genetic map construction. The objective of this study was to...

A superfine glass fiber air filter with rapid response to photocatalytic antibacterial properties under visible light by loading rGO/ZnO

Yongyi Luo, Fuqiang Zhai, Yingchun Zhang, Zhiqiang Chen, Mingde Ding, Dajiang Qin, Jinming Yang, Guang Feng & Lu Li
The development of high-performance air filter has become more and more important to public health. However, it has always been very challenging for developing a multifunctional air filter to simultaneously achieve excellent filtration and antibacterial properties. Herein, a versatile air filter was prepared with loading the reduced graphener and Zinc oxide on the superfine glass fiber with the three-dimensional network structure by in-situ sol-gel process followed by calcination, which aims to achieve synergistic high efficiency...

Derivation and validation of a model to predict acute kidney injury following cardiac surgery in patients with normal renal function

Penghua Hu, Zhiming Mo, Yuanhan Chen, Yanhua Wu, Li Song, Li Zhang, Zhilian Li, Lei Fu, Huaban Liang, Yiming Tao, Shuangxin Liu, Zhiming Ye & Xinling Liang
The study aimed to construct a clinical model based on preoperative data for predicting acute kidney injury (AKI) following cardiac surgery in patients with normal renal function. A total of 22,348 consecutive patients with normal renal function undergoing cardiac surgery were enrolled. Among them, 15,701 were randomly selected for the training group and the remaining for the validation group. To develop a model visualized as a nomogram for predicting AKI, logistic regression was performed with...

Systematic analysis of Long non-coding RNAs reveals diagnostic biomarkers and potential therapeutic drugs for intervertebral disc degeneration

Jiawen Zhan, Shangquan Wang, Xu Wei, Minshan Feng, Xunlu Yin, Jie Yu, Tao Han, Guangwei Liu, Wangwen Xuan, Xiaobo Wang, Rui Xie, Kai Sun & Liguo Zhu
Long non-coding RNAs (lncRNAs) are related to a variety of human diseases. However, little is known about the role of lncRNA in intervertebral disc degeneration (IDD). LncRNA expression profile of human IDD were downloaded from Gene Expression Omnibus (GEO) database. Potential biomarkers and therapeutic drugs for IDD were analyzed by weighted gene co-expression network analysis (WGCNA), R software package Limma, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG). We identified 1455 differentially...

Comparative study of bioinformatic tools for the identification of chimeric RNAs from RNA Sequencing

Sandeep Singh & Hui Li
Chimeric RNAs are gaining more and more attention as they have broad implications in both cancer and normal physiology. To date, over 40 chimeric RNA prediction methods have been developed to facilitate their identification from RNA sequencing data. However, a limited number of studies have been conducted to compare the performance of these tools; additionally, previous studies have become outdated as more software tools have been developed within the last three years. In this study,...

Data from: Cluster expansion of apolipoprotein D (ApoD) genes in teleost fishes

Langyu Gu & Canwei Xia
Background: Gene and genome duplication play important roles in the evolution of gene function. Compared to individual duplicated genes, gene clusters attract particular attention considering their frequent associations with innovation and adaptation. Here, we report for the first time the expansion of the apolipoprotein D (ApoD) ligand-transporter genes in a cluster manner specific to teleost fishes. Results: Based on comparative genomic and transcriptomic analyses, protein 3D structure comparison, positive selection detection and breakpoints detection, the...

Quasispecies of SARS-CoV-2 revealed by single nucleotide polymorphisms (SNPs) analysis

Rongsui Gao, Wenhong Zu, Yang Liu, Junhua Li, Zeyao Li, Yanling Wen, Haiyan Wang, Jing Yuan, Lin Cheng, Shengyuan Zhang, Yu Zhang, Shuye Zhang, Weilong Liu, Xun Lan, Lei Liu, Feng Li & Zheng Zhang
New SARS-CoV-2 mutants have been continuously indentified with enhanced transmission ever since its outbreak in early 2020. As an RNA virus, SARS-CoV-2 has a high mutation rate due to the low fidelity of RNA polymerase. To study the single nucleotide polymorphisms (SNPs) dynamics of SARS-CoV-2, 158 SNPs with high confidence were identified by deep meta-transcriptomic sequencing, and the most common SNP type was C > T. Analyses of intra-host population diversity revealed that intra-host quasispecies’...

A biological and genomic comparison of a drug-resistant and a drug-susceptible strain of Candida auris isolated from Beijing, China

Shuru Fan, Ping Zhan, Jian Bing, Ning Jiang, Yingnan Huang, Dongke Chen, Tianren Hu, Han Du & Guanghua Huang
The fungal pathogen Candida auris has emerged as a new threat to human health. We previously reported the first isolate of C. auris (BJCA001) in China, which belongs to the South Asian clade (I) and was susceptible to all antifungals tested. In this study, we report the isolation of a drug-resistant C. auris strain (BJCA002) from the same city (Beijing). Strain BJCA002 belongs to the South African clade (III) and is resistant to fluconazole and...

Fat mass and obesity-associated protein (FTO) mediates signal transducer and activator of transcription 3 (STAT3)-drived resistance of breast cancer to doxorubicin

Yan Wang, Zhiqiang Cheng, Jing Xu, Meina Lai, Liming Liu, Min Zuo & Lin Dang
Excessive activation of signal transducer and activator of transcription 3 (STAT3) is implicated in breast cancer (BC) chemoresistance, but its underlying mechanism is not fully understood. There are STAT3 binding sites in fat mass and obesity-associated protein (FTO) promoter region, thus STAT3 may regulate the transcription of FTO. This study aimed to investigate the correlation between FTO and STAT3 in BC chemoresistance. Herein, FTO and STAT3 were highly expressed in doxorubicin-resistant BC (BC-DoxR) cells. CHIP...

Identification of a 3-gene signature based on differentially expressed invasion genes related to cancer molecular subtypes to predict the prognosis of osteosarcoma patients

Yue Wan, Ning Qu, Yang Yang, Jing Ma, Zhe Li & Zhenyu Zhang
Invasion is a critical pathway leading to tumor metastasis. This study constructed an invasion-related polygenic signature to predict osteosarcoma prognosis. We initially determined two molecular subtypes of osteosarcoma, Cluster1 (C1) and Cluster2 (C2).. A 3 invasive-gene signature was established by univariate Cox analysis and least absolute shrinkage and selection operator (LASSO) Cox regression analysis of the differentially expressed genes (DEGs) between the two subtypes, and was validated in internal and two external data sets (GSE21257...

Numerical simulation of ball bearing flow field using the moving particle semi-implicit method

Wei Wu, Chunhui Wei & Shihua Yuan
The distribution of lubricating oil in the bearing cavity is of great significance to bearing lubrication and cooling. A new idea is provided to further study the ball bearings lubrication, to achieve effective lubrication of bearings. The flow field of oil injection lubrication ball bearings is studied by the moving particle semi-implicit (MPS) method. The accuracy of the numerical calculation method is verified by experiments. The oil distribution of the bearing lubrication flow field and...

Biodistribution of etoposide via intratumoral chemotherapy with etoposide-loaded implants

Chunsheng Wu, Xiangting Yi, Renzhi Xu, Maokuan Zhang, Yan Xu, Yan Ma, Li Gao & Zhengbao Zha
Etoposide (VP16) is the traditional antitumor agent which has been widely used in a variety of cancers. However, intravenous administration of VP16 was limited in clinical application because of its low aqueous solubility, poor bioavailability and dose-limiting adverse effects. Local chemotherapy with VP16-loaded drug delivery systems could provide a continuous release of drug at the target site, while minimizing the systemic toxicity. In this study, we prepared the poly-l-lactic acid (PLLA) based VP16-loaded implants (VP16...

Expression status and prognostic value of autophagy-related lncRNAs in prostate cancer

Guo Chen, Xiaoping Qin, Yu Wang, Biyun Gao, Muan Ling, Wenjun Yin, Yutong Li & Bin Pan
LncRNAs involve in the autophagy to regulate prostate cancer (PCA) initiation and progression. Therefore, it urges to explore more significant AR-lncRNAs in PCa. mRNA data and clinical information of PCa were achieved from TCGA database, and ARGs were obtained from the HADb. AR-lncRNAs were identified by correlation analysis of DE ARGs and lncRNAs. Univariate Cox regression, LASSO regression, and multivariate Cox regression were used to identify the prognostic AR-lncRNA signature and constructed a risk model....

Identification of the metabolic remodeling profile in the early-stage of myocardial ischemia and the contributory role of mitochondrion

Jun He, Qian Liu, Jie Wang, Fangjing Xu, Yucheng Fan, Ruhua He, Ru Yan & Li Zhu
Cardiac remodeling is the primary pathological feature of chronic heart failure. Prompt inhibition of remodeling in acute coronary syndrome has been a standard procedure, but the morbidity and mortality are still high. Exploring the characteristics of ischemia in much earlier stages and identifying its biomarkers are essential for introducing novel mechanisms and therapeutic strategies. Metabolic and structural remodeling of mitochondrion is identified to play key roles in ischemic heart disease. The mitochondrial metabolic features in...

Decomposing cover crops modify root-associated microbiome composition and disease tolerance of cash crop seedlings

Xiaojiao Liu, S. Emilia Hannula, Xiaogang Li, Maria Hundscheid, Paulien Klein Gunnewiek, Anna Clocchiatti, Wei Ding & Wietse De Boer
The assembly of root-associated microbes during the seedling stage has strong impact on subsequent performance of crops. Major factors influencing this assembly are crop species identity and composition of potential root-colonizing microbes in the bulk soil. The latter can be modified by soil management, such as organic amendments. The incorporation of residues of cover crops before the start of the growing season of cash crops presents an interesting option for steering of root-associated seedling microbiomes...

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