BACKGROUND Aberrant methylation is common during the initiation and progression of colorectal cancer(CRC),and detecting these changes that occur during early adenoma(ADE)formation and CRC progression has clinical valu...BACKGROUND Aberrant methylation is common during the initiation and progression of colorectal cancer(CRC),and detecting these changes that occur during early adenoma(ADE)formation and CRC progression has clinical value.AIM To identify potential DNA methylation markers specific to ADE and CRC.METHODS Here,we performed SeqCap targeted bisulfite sequencing and RNA-seq analysis of colorectal ADE and CRC samples to profile the epigenomic-transcriptomic landscape.RESULTS Comparing 22 CRC and 25 ADE samples,global methylation was higher in the former,but both showed similar methylation patterns regarding differentially methylated gene positions,chromatin signatures,and repeated elements.High-grade CRC tended to exhibit elevated methylation levels in gene promoter regions compared to those in low-grade CRC.Combined with RNA-seq gene expression data,we identified 14 methylation-regulated differentially expressed genes,of which only AGTR1 and NECAB1 methylation had prognostic significance.CONCLUSION Our results suggest that genome-wide alterations in DNA methylation occur during the early stages of CRC and demonstrate the methylation signatures associated with colorectal ADEs and CRC,suggesting prognostic biomarkers for CRC.展开更多
DEAR EDITOR,In this study,we sequenced the complete mitochondrial DNA genome(mitogenome)of the Zhengyang Yellow chicken(Gallus gallus domesticus)by next-generation sequencing technology.Samples were taken from Zhumadi...DEAR EDITOR,In this study,we sequenced the complete mitochondrial DNA genome(mitogenome)of the Zhengyang Yellow chicken(Gallus gallus domesticus)by next-generation sequencing technology.Samples were taken from Zhumadian city,Henan Province,China.The complete mitogenome was 16 785 bp展开更多
Phytochemical investigation on the whole plant of Inula cappa led to the isolation of two new germacrane-type sesquiterpene lactones,ineupatolides D and E(1 and 2),together with three known analogs.The structures of t...Phytochemical investigation on the whole plant of Inula cappa led to the isolation of two new germacrane-type sesquiterpene lactones,ineupatolides D and E(1 and 2),together with three known analogs.The structures of the new compounds were established by extensive analysis of 1Dand 2DNMR spectra,as well as MS data.Their absolute configurations were determined by CD spectra.All compounds showed moderate inhibitory effects on A431,A549,BGC-823,HL-60,HT-29,and MCF-7 cancer cell lines with IC_(50) values ranging from 2.1 to 36.3 μM.展开更多
With the continuous development of artificial intelligence,the demand for sensors with simple preparation and strong concealment continues to increase.However,most of the high-sensitivity sensors have complex manufact...With the continuous development of artificial intelligence,the demand for sensors with simple preparation and strong concealment continues to increase.However,most of the high-sensitivity sensors have complex manufacturing methods,high costs,and single functions.In this paper,a sensitive motion sensor based on the triboelectric interaction between a living plant and the human body was designed to detect the real-time movements of human beings and provide danger warning.A certain relationship exists between the triboelectric signal and the distance between the plant and the human body,with effective signals being detected in the range of 1.8 m.In addition,the triboelectric signal generated by each person is unique like a fingerprint,which can be used for biometrics.On the basis of the triboelectric signal,a wireless character entry warning system is designed.This sensor can not only send out a wireless warning signal at a specific distance but also allow one to receive the warning information synchronously on a mobile phone in real time.The wireless movement sensor receives signals through a living plant,and it has the characteristics of convenient use,strong concealment,and shielding difficulty.This sensor has the potential to be widely used in person recognition,danger warning,and motion monitoring.展开更多
Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcr...Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcriptome RNA sequencing on peripheral blood mononuclear cell(PBMC)samples from 18 patients with coronavirus disease 2019(COVID-19)during their treatment,convalescence,and rehabilitation.After analyzing the regulatory networks of differentially expressed messenger RNAs(mRNAs),microRNAs(miRNAs)and long non-coding RNAs(lncRNAs)between the different clinical stages,we found that humoral immunity and type I interferon response were significantly downregulated,while robust T-cell activation and differentiation at the whole transcriptome level constituted the main events that occurred during recovery from COVID-19.The formation of this T cell immune response might be driven by the activation of activating protein-1(AP-1)related signaling pathway and was weakly affected by other clinical features.These findings uncovered the dynamic pattern of immune responses and indicated the key role of T cell immunity in the creation of immune protection against this disease.展开更多
Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcr...Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcriptome RNA sequencing on peripheral blood mononuclear cell(PBMC)samples from 18 patients with coronavirus disease 2019(COVID-19)during their treatment,convalescence,and rehabilitation.After analyzing the regulatory networks of differentially expressed messenger RNAs(mRNAs),microRNAs(miRNAs)and long non-coding RNAs(lncRNAs)between the different clinical stages,we found that humoral immunity and type I interferon response were significantly downregulated,while robust T-cell activation and differentiation at the whole transcriptome level constituted the main events that occurred during recovery from COVID-19.The formation of this T cell immune response might be driven by the activation of activating protein-1(AP-1)related signaling pathway and was weakly affected by other clinical features.These findings uncovered the dynamic pattern of immune responses and indicated the key role of T cell immunity in the creation of immune protection against this disease.展开更多
基金the National Natural Science Foundation of China,No.81960504the“Xingdian Talents”Support Project of Yunnan Province,No.RLQB20200002+2 种基金the Medical Discipline Reserve Talents of Yunnan Province,No.H-2018015the Applied Basic Research Projects-Union Foundation of Kunming Medical University,No.2017FE467(-132)the Talent Introduction Project of Hubei Polytechnic University,No.21xjz34R。
文摘BACKGROUND Aberrant methylation is common during the initiation and progression of colorectal cancer(CRC),and detecting these changes that occur during early adenoma(ADE)formation and CRC progression has clinical value.AIM To identify potential DNA methylation markers specific to ADE and CRC.METHODS Here,we performed SeqCap targeted bisulfite sequencing and RNA-seq analysis of colorectal ADE and CRC samples to profile the epigenomic-transcriptomic landscape.RESULTS Comparing 22 CRC and 25 ADE samples,global methylation was higher in the former,but both showed similar methylation patterns regarding differentially methylated gene positions,chromatin signatures,and repeated elements.High-grade CRC tended to exhibit elevated methylation levels in gene promoter regions compared to those in low-grade CRC.Combined with RNA-seq gene expression data,we identified 14 methylation-regulated differentially expressed genes,of which only AGTR1 and NECAB1 methylation had prognostic significance.CONCLUSION Our results suggest that genome-wide alterations in DNA methylation occur during the early stages of CRC and demonstrate the methylation signatures associated with colorectal ADEs and CRC,suggesting prognostic biomarkers for CRC.
基金supported by the Guangdong Natural Science Foundation(2014A030307018)Science and Technology Planning Project of Guangdong Province(2016A030303068)Animal Branch of the Germplasm Bank of Wild Species(GBOWS)
文摘DEAR EDITOR,In this study,we sequenced the complete mitochondrial DNA genome(mitogenome)of the Zhengyang Yellow chicken(Gallus gallus domesticus)by next-generation sequencing technology.Samples were taken from Zhumadian city,Henan Province,China.The complete mitogenome was 16 785 bp
基金Financial support from the National Science and Technology Major Project"Key New Drug Creation and Manufacturing Program"(Nos.2012ZX09301001-001,2015ZX09103002)the National Natural Science Funds of China(Nos.81302657,81573305,81473112)+3 种基金Youth Innovation Promotion Association CAS,the Ministry of Science and Technology(No.2010DFA30980)the Chinese Academy of Sciences(No.KSZD-EW-Z-004-01)the Shanghai Commission of Science and Technology(No.11DZ1970700,12JC1410300)the Research Fund of University of Macao(MYRG2014-00020-ICMS-QRCM and MYRG2015-00153ICMS-QRCM)
文摘Phytochemical investigation on the whole plant of Inula cappa led to the isolation of two new germacrane-type sesquiterpene lactones,ineupatolides D and E(1 and 2),together with three known analogs.The structures of the new compounds were established by extensive analysis of 1Dand 2DNMR spectra,as well as MS data.Their absolute configurations were determined by CD spectra.All compounds showed moderate inhibitory effects on A431,A549,BGC-823,HL-60,HT-29,and MCF-7 cancer cell lines with IC_(50) values ranging from 2.1 to 36.3 μM.
基金support from the NSFC(Nos.51905518,51722510)the Program for Taishan Scholar Foundation of Shandong Province(No.ts20190965)the Innovation Leading Talents Program of Qingdao(19-3-2-23-zhc)in China。
文摘With the continuous development of artificial intelligence,the demand for sensors with simple preparation and strong concealment continues to increase.However,most of the high-sensitivity sensors have complex manufacturing methods,high costs,and single functions.In this paper,a sensitive motion sensor based on the triboelectric interaction between a living plant and the human body was designed to detect the real-time movements of human beings and provide danger warning.A certain relationship exists between the triboelectric signal and the distance between the plant and the human body,with effective signals being detected in the range of 1.8 m.In addition,the triboelectric signal generated by each person is unique like a fingerprint,which can be used for biometrics.On the basis of the triboelectric signal,a wireless character entry warning system is designed.This sensor can not only send out a wireless warning signal at a specific distance but also allow one to receive the warning information synchronously on a mobile phone in real time.The wireless movement sensor receives signals through a living plant,and it has the characteristics of convenient use,strong concealment,and shielding difficulty.This sensor has the potential to be widely used in person recognition,danger warning,and motion monitoring.
基金supported by the National Key Research and Development Program of China(2020YFC0842000 to Y.T.Z.)the Yunnan Provincial major science and technology special project(202003AC100007 to X.Q.D.).
文摘Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcriptome RNA sequencing on peripheral blood mononuclear cell(PBMC)samples from 18 patients with coronavirus disease 2019(COVID-19)during their treatment,convalescence,and rehabilitation.After analyzing the regulatory networks of differentially expressed messenger RNAs(mRNAs),microRNAs(miRNAs)and long non-coding RNAs(lncRNAs)between the different clinical stages,we found that humoral immunity and type I interferon response were significantly downregulated,while robust T-cell activation and differentiation at the whole transcriptome level constituted the main events that occurred during recovery from COVID-19.The formation of this T cell immune response might be driven by the activation of activating protein-1(AP-1)related signaling pathway and was weakly affected by other clinical features.These findings uncovered the dynamic pattern of immune responses and indicated the key role of T cell immunity in the creation of immune protection against this disease.
基金This work was supported by the National Key Research and Development Program of China(2020YFC0842000 to Y.T.Z.)the Yunnan Provincial major science and technology special project(202003AC100007 to X.Q.D.).
文摘Understanding the processes of immune regulation in patients infected with the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is crucial for improving treatment.Here,we performed longitudinal whole-transcriptome RNA sequencing on peripheral blood mononuclear cell(PBMC)samples from 18 patients with coronavirus disease 2019(COVID-19)during their treatment,convalescence,and rehabilitation.After analyzing the regulatory networks of differentially expressed messenger RNAs(mRNAs),microRNAs(miRNAs)and long non-coding RNAs(lncRNAs)between the different clinical stages,we found that humoral immunity and type I interferon response were significantly downregulated,while robust T-cell activation and differentiation at the whole transcriptome level constituted the main events that occurred during recovery from COVID-19.The formation of this T cell immune response might be driven by the activation of activating protein-1(AP-1)related signaling pathway and was weakly affected by other clinical features.These findings uncovered the dynamic pattern of immune responses and indicated the key role of T cell immunity in the creation of immune protection against this disease.