The important role of immunogenic cell death(ICD)in many tumors is increasingly being discovered.However,its mechanisms and potential as a biomarker and therapeutic target in glioblastoma(GBM)have not been well studie...The important role of immunogenic cell death(ICD)in many tumors is increasingly being discovered.However,its mechanisms and potential as a biomarker and therapeutic target in glioblastoma(GBM)have not been well studied.We obtained GBM samples from the Cancer Genome Atlas(TCGA)and Gene Expression Omnibus(GEO)databases,as well as the immunotherapy cohort from the IMvigor210 study.We used unsupervised clustering to obtain two ICDrelated clusters,corresponding to the ICD-low and ICD-high subtypes respectively,and the tumor immune microenvironment and prognosis of the two subtypes were significantly different.展开更多
Erythropoiesis is a complex and sophisticated multi-stage process regulated by a variety of factors,including the transcription factor GATA1 and non-coding RNA.GATA1 is regarded as an essential transcriptional regulat...Erythropoiesis is a complex and sophisticated multi-stage process regulated by a variety of factors,including the transcription factor GATA1 and non-coding RNA.GATA1 is regarded as an essential transcriptional regulator promoting transcription of erythroidspecific genes—such as long non-coding RNAs(lncRNA).Here,we comprehensively screened lncRNAs that were potentially regulated by GATA1 in erythroid cells.We identified a novel lncRNA—PCED1B-AS1—and verified its role in promoting erythroid differentiation of K562 erythroid cells.We also predicted a model in which PCED1B-AS1 participates in erythroid differentiation via dynamic chromatin remodeling involving GATA1.The relationship between lncRNA and chromatin in the process of erythroid differentiation remains to be revealed,and in our study we have carried out preliminary explorations.展开更多
文摘The important role of immunogenic cell death(ICD)in many tumors is increasingly being discovered.However,its mechanisms and potential as a biomarker and therapeutic target in glioblastoma(GBM)have not been well studied.We obtained GBM samples from the Cancer Genome Atlas(TCGA)and Gene Expression Omnibus(GEO)databases,as well as the immunotherapy cohort from the IMvigor210 study.We used unsupervised clustering to obtain two ICDrelated clusters,corresponding to the ICD-low and ICD-high subtypes respectively,and the tumor immune microenvironment and prognosis of the two subtypes were significantly different.
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA16010602)the National Natural Science Foundation of China(81670109,81700097,81870097,81700116).
文摘Erythropoiesis is a complex and sophisticated multi-stage process regulated by a variety of factors,including the transcription factor GATA1 and non-coding RNA.GATA1 is regarded as an essential transcriptional regulator promoting transcription of erythroidspecific genes—such as long non-coding RNAs(lncRNA).Here,we comprehensively screened lncRNAs that were potentially regulated by GATA1 in erythroid cells.We identified a novel lncRNA—PCED1B-AS1—and verified its role in promoting erythroid differentiation of K562 erythroid cells.We also predicted a model in which PCED1B-AS1 participates in erythroid differentiation via dynamic chromatin remodeling involving GATA1.The relationship between lncRNA and chromatin in the process of erythroid differentiation remains to be revealed,and in our study we have carried out preliminary explorations.
