Elucidating the mechanisms underlying H3K18la contributes to NSCLC progression
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ABSTRACT:
PROVIDER: PRJNA1030936 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR26463747_1.fastq.gz | Fastqsanger.gz | |||
| SRR26463747_2.fastq.gz | Fastqsanger.gz | |||
| SRR26463748_1.fastq.gz | Fastqsanger.gz | |||
| SRR26463748_2.fastq.gz | Fastqsanger.gz | |||
| SRR26463749_1.fastq.gz | Fastqsanger.gz |
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Project description:Histone lactylation has been served as a novel epigenetic modification that directly stimulates gene transcription from chromatin. In order to study the regulatory mechanisms of H3K18la in non-small cell lung cancer (NSCLC), we performed ChIP-Seq to identify its target genes in NCI-H1299 cell lines.
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Project description:As a member of the acidic type I cytokeratin family, keratin 19 (KRT19) is originally known to form the intermediate filament cytoskeleton and responsible for structural rigidity and multipurpose scaffolds.KRT19 is abnormally expressed in various cancers including hepatocellular carcinoma, breast cancer,serous ovarian cystadenocarcinoma and et.al. KRT19 has been revealed to mediate cell cycle arrest, cancer stem cell reprogramming by interacting with cellular molecules including receptors, adaptors, effectors and kinases. Increasing evidence illustrates the clinical significance of KRT19 in lung cancer, extensive studies are urged to elucidate the role and underlying mechanism of KRT19 in NSCLC progression, we performed RNA-Seq to identify its target genes in PC-9 cell lines.
2026-01-21 | GSE299060 | GEO
Project description:We profiled the genome-wide distribution of H3K18la in samples originating from 6 different in vitro and in vivo mouse samples, representing 3 tissues: embryonic stem cells, macrophages and skeletal muscle as well as in human skeletal muscle and compared them to the profiles of other well-established histone modifications as well as gene expression patterns. Globally, we found that H3K18la profiles resemble H3K27ac profiles better than any other investigated hPTM, including H3K4me3, but that they do not copy them. For all samples, H3K18la marked active CGI promoters of highly expressed genes which were remarkably shared across the different mouse tissues and which contained many housekeeping genes. Promoter H3K18la levels correlated positively to both H3K27ac and H3K4me3 levels as well as to gene expression levels. In addition, we found that H3K18la is enriched at tissue-type specific, active enhancers, which are particularly tissue-type-specific, especially when compared to the H3K18la-marked promoter regions. Accordingly, enhancer H3K18la levels correlate positively to the expression of their nearest genes. Additionally, genes closest to enhancers with high H3K18la levels predominantly consist of tissue-type specific marker genes. Overall, we showed that H3K18la is not only a marker for active promoters, but that it also marks active enhancers, and this both in embryonic tissues and differentiated tissues, and both in mouse and in human.
2022-09-14 | GSE195859 | GEO
Project description:We profiled the genome-wide distribution of H3K18la in samples originating from 6 different in vitro and in vivo mouse samples, representing 3 tissues: embryonic stem cells, macrophages and skeletal muscle as well as in human skeletal muscle and compared them to the profiles of other well-established histone modifications as well as gene expression patterns. Globally, we found that H3K18la profiles resemble H3K27ac profiles better than any other investigated hPTM, including H3K4me3, but that they do not copy them. For all samples, H3K18la marked active CGI promoters of highly expressed genes which were remarkably shared across the different mouse tissues and which contained many housekeeping genes. Promoter H3K18la levels correlated positively to both H3K27ac and H3K4me3 levels as well as to gene expression levels. In addition, we found that H3K18la is enriched at tissue-type specific, active enhancers, which are particularly tissue-type-specific, especially when compared to the H3K18la-marked promoter regions. Accordingly, enhancer H3K18la levels correlate positively to the expression of their nearest genes. Additionally, genes closest to enhancers with high H3K18la levels predominantly consist of tissue-type specific marker genes. Overall, we showed that H3K18la is not only a marker for active promoters, but that it also marks active enhancers, and this both in embryonic tissues and differentiated tissues, and both in mouse and in human.
2022-09-14 | GSE195856 | GEO
Project description:We profiled the genome-wide distribution of H3K18la in samples originating from 6 different in vitro and in vivo mouse samples, representing 3 tissues: embryonic stem cells, macrophages and skeletal muscle as well as in human skeletal muscle and compared them to the profiles of other well-established histone modifications as well as gene expression patterns. Globally, we found that H3K18la profiles resemble H3K27ac profiles better than any other investigated hPTM, including H3K4me3, but that they do not copy them. For all samples, H3K18la marked active CGI promoters of highly expressed genes which were remarkably shared across the different mouse tissues and which contained many housekeeping genes. Promoter H3K18la levels correlated positively to both H3K27ac and H3K4me3 levels as well as to gene expression levels. In addition, we found that H3K18la is enriched at tissue-type specific, active enhancers, which are particularly tissue-type-specific, especially when compared to the H3K18la-marked promoter regions. Accordingly, enhancer H3K18la levels correlate positively to the expression of their nearest genes. Additionally, genes closest to enhancers with high H3K18la levels predominantly consist of tissue-type specific marker genes. Overall, we showed that H3K18la is not only a marker for active promoters, but that it also marks active enhancers, and this both in embryonic tissues and differentiated tissues, and both in mouse and in human.
2022-09-14 | GSE195854 | GEO
Project description:The process of iPSC reprogramming involves various critical events such as somatic gene shutdown, mesenchymal-epithelial transition (MET), metabolism reprogramming, and epigenetic rewiring. These events interweave and influence each other leading to the formation of the iPSC reprogramming network, thus there appears to be a key element regulating this network. Dux has essential research value by promoting totipotency in the process of transition from ESC to 2C-like ESC and has not been discussed in depth in iPSC reprogramming process. This paper focused on the H3K18la modification linking the OGS-Epigenetic-MET network, which improved the efficiency for iPSC reprogramming via Dux overexpression. Dux promoted H3K18la via metabolism switch, and recruiting P300 through its C-terminal domain, resulting in increasing reprogramming. By using H3K18la regulators, we found the role H3K18la played in promoting MET. We performed proteomic detection of H3K18la by IP combined with MS and found that H3K18la specifically recruited Brg1 in iPSCs. During reprogramming, H3K18la and Brg1 enriched on promoters of epithelial-related genes and pluripotency-related genes. Overall, our work highlights H3K18la as a powerful trigger in the early reprogramming and reveals Dux as a regulator for increasing H3K18la. Brg1 was first demonstrated binding to H3K18la and identified as a reader of lactylation.
2026-02-23 | PXD043547 | Pride
Project description:L-lactate was reported as a precursor that can label and stimulate histone lysine-N-L-lactylation (Kla), which represents a new epigenetic mark affecting gene expression directly via histone PTMs under conditions of high glycolysis, such as the Warburg effect. To investigate the genome-wide targeting of H3K18la, we performed ChIP-seq in H1299 cells using anti-H3K18la antibody. 50.6% of the H3K18la binding sites displayed enrichment close to -1kb promoter of genes. More importantly, our ChIP-seq data showed that H3K18la is enriched in many genes that related with replication processes, highlighted the importance of histone Kla involved in DNA replication.
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