Transcriptome sequencing analysis of lncRNA and mRNA expression profiles in bone nonunion
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PROVIDER: PRJNA882856 | ENA |
REPOSITORIES: ENA
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Project description:Background: Bone nonunion is a serious complication of fracture. This study explored the differentially expressed lncRNAs (DELs) and mRNAs (DEGs) and identified potential lncRNA-mRNA interactions in bone nonunion. Methods: We extracted total RNA from three bone nonunion and three bone union patient tissue samples. RNA sequencing was performed to detect DELs and DEGs between bone nonunion and union tissue samples. The lncRNAs and genes with absolute log2-fold change (log2FC) > 1 and adjusted p value < 0.05 were further chosen for gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis. lncRNA and targeted mRNA interaction networks were constructed. Results: We observed 179 DELs and 415 DEGs between the bone nonunion and union tissue samples. GO analysis indicated that DELs and DEGs were mainly enriched in chondroitin sulfate proteoglycan biosynthetic process. DELs and DEGs were enriched in 'ECM-receptor interaction' and 'Staphylococcus aureus infection' KEGG pathways. Several potential lncRNA-mRNA interactions were also predicted. Conclusions: This study identified bone nonunion-associated lncRNAs and mRNAs using deep sequencing that may be useful as potential biomarkers for bone nonunion.
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Project description:BackgroundBone nonunion is a serious complication of fracture. This study explored the differentially expressed lncRNAs (DELs) and mRNAs (DEGs) and identified potential lncRNA-mRNA interactions in bone nonunion.MethodsWe extracted total RNA from three bone nonunion and three bone union patient tissue samples. RNA sequencing was performed to detect DELs and DEGs between bone nonunion and union tissue samples. The lncRNAs and genes with absolute log2-fold change (log2FC) > 1 and adjusted p value < 0.05 were further chosen for gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis. lncRNA and targeted mRNA interaction networks were constructed.ResultsWe observed 179 DELs and 415 DEGs between the bone nonunion and union tissue samples. GO analysis indicated that DELs and DEGs were mainly enriched in the chondroitin sulfate proteoglycan biosynthetic process. DELs and DEGs were enriched in "ECM-receptor interaction" and "Staphylococcus aureus infection" KEGG pathways. Several potential lncRNA-mRNA interactions were also predicted.ConclusionsThis study identified bone nonunion-associated lncRNAs and mRNAs using deep sequencing that may be useful as potential biomarkers for bone nonunion.
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Project description:Total RNA were extracted from osteoclasts differentiated from RAW264.7 cells at different stages: Monocytes (0h), Pre-osteoclasts (24h), Mature osteoclasts (72h) and activated osteoclasts (96h). LncRNA and mRNA expression profiles were decided by microarray. RAW264.7 cells were cultured with RANKL (100ng/ml) and M-CSF (50ng/ml) for 0h, 24h, 72h and 96h. TRAP stain, FAK stain, pit formation assay, fusion assay and q-PCR were performed to validate the in vitro model.
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Project description:Appropriate gene expression patterns form the basis for bone microcirculatory endothelial cells’ function and bone morphology. Although previous studies have elucidated the impact of hydrocortisone on bone microcirculatory endothelial cells’ specific gene expression, the exact differential transcriptomes and comprehensive gene expression profiles remain unknown. We have investigated the mRNA and lncRNA expression patterns before and after hydrocortisone administration of bone microcirculatory endothelial cells. At mRNAs level totally 518 differentially expressed genes were identified. Furthermore, we identified 73 upregulated and 166 downregulated long non-coding RNAs after administration of hydrocortisone. These RNAs appeared to be highly important to gene co-expression network. Transcriptomic analysis of bone microcirculatory endothelial cells from human samples is highly informative due to their relevance to the large number of expressed genes. Our study provides a very valuable basis for investigation of genes, regulation and their co-expression network contributing to hydrocortisone induced disorders.
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Project description:Total RNA were extracted from osteoclasts differentiated from RAW264.7 cells at different stages: Monocytes (0h), Pre-osteoclasts (24h), Mature osteoclasts (72h) and activated osteoclasts (96h). LncRNA and mRNA expression profiles were decided by microarray.
2015-08-28 | GSE72478 | GEO
Project description:Appropriate gene expression patterns form the basis for bone microcirculatory endothelial cellsM-bM-^@M-^Y function and bone morphology. Although previous studies have elucidated the impact of hydrocortisone on bone microcirculatory endothelial cellsM-bM-^@M-^Y specific gene expression, the exact differential transcriptomes and comprehensive gene expression profiles remain unknown. We have investigated the mRNA and lncRNA expression patterns before and after hydrocortisone administration of bone microcirculatory endothelial cells. At mRNAs level totally 518 differentially expressed genes were identified. Furthermore, we identified 73 upregulated and 166 downregulated long non-coding RNAs after administration of hydrocortisone. These RNAs appeared to be highly important to gene co-expression network. Transcriptomic analysis of bone microcirculatory endothelial cells from human samples is highly informative due to their relevance to the large number of expressed genes. Our study provides a very valuable basis for investigation of genes, regulation and their co-expression network contributing to hydrocortisone induced disorders. Two-condition experiment, hydrocortisone treated vs. untreated bone microcirculatory endothelial cells. Biological replicates: 8 control replicates, 8 treated replicates.
2015-01-01 | E-GEOD-60332 | biostudies-arrayexpress
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