1.Progress in pulmonary carcinoma gene therapy
Chinese Journal of Pathophysiology 2000;0(11):-
The high morbidity and mortality of pulmonary carcinoma,especially in male patient,are still the unsolved problems. Recently,more and more reports showed that gene therapy could have potential application in the treatment of the disease. In this article,some progresses in the gene therapy of pulmonary carcinoma, such as tumor suppressor gene,drug sensitive gene,antisense gene,multi-drug resistance gene,immune gene as well as anti-angiogenesis gene, were discussed.
2.Construction and analysis of transcriptome-based hepatolenticular degeneration regulatory network.
Xiaoxi YANG ; Song HE ; Xiaojin LI ; Donghu ZHOU ; Xiaochen BO ; Jian HUANG
Chinese Journal of Biotechnology 2022;38(10):3844-3858
A transcriptional regulatory network for wild-type and ATP7B-knockout HepG2 cells exposed to copper was constructed by bioinformatics methods to explore the potential mechanism of key transcription factors in the pathogenesis of hepatolenticular degeneration. The differentially expressed genes (DEGs) for wild-type and ATP7B-knockout HepG2 cell lines without copper and exposed to copper were collected from the gene expression omnibus (GEO) database. Gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) enrichment analysis were performed for DEGs induced by copper. The key functional modules and genes were identified based on the protein-protein interaction (PPI) network. Moreover, the enrichment analysis of genes in functional modules was performed. Finally, a transcriptional regulatory network was constructed to screen the core transcription factors. A total of 1 034 genes, including 509 down-regulated genes and 525 up-regulated genes, were selected as DEGs. The up-regulated and down-regulated functional modules based on PPI network included 3 785 and 3 931 genes, respectively. Genes in key functional modules were enriched in cell-substrate junction, chromosomal region, spliceosomal complex and ribosome. They were involved in mRNA processing, histone modification, RNA splicing, regulation of DNA metabolic process, protein phosphorylation and other biological processes. Moreover, they were correlated to transcriptional coregulator activity, DNA-binding transcription factor binding, ubiquitin-like protein ligase binding and other molecular functions. KEGG analysis showed that genes in key functional modules were significantly enriched in hepatitis B, MAPK signaling pathway, cellular senescence and apoptosis, neurotrophin signaling pathway and pathways of neurodegeneration-multiple diseases. The transcriptional regulatory network contained 11 differentially expressed transcription factors and 96 DEGs. Among them, U2AF1, NFRKB, FUS, MAX, SRSF1, CEBPA and RXRA were the core transcription factors, which may facilitate the study of the biological function of relevant molecules in transcriptional regulation of hepatolenticular degeneration.
Humans
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Transcriptome
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Gene Expression Profiling/methods*
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Hepatolenticular Degeneration/genetics*
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Copper
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Gene Regulatory Networks
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Computational Biology/methods*
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Transcription Factors/genetics*
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DNA
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DNA-Binding Proteins/genetics*
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Serine-Arginine Splicing Factors/genetics*