LncRNA and mRNA microarrays were carried out by Arraystar Inc. (Rockville, MD) using the Mouse LncRNA Microarray V3.0, a Agilent Array Platform (Agilent Technologies, Inc., Santa Clara, CA, USA)16 (link). LncRNAs and the differentially expressed protein-coding genes were identified, and fold changes as well as P values from the statistics t-test were calculated. The up- or down-regulated lncRNAs were set as fold change ≥ 2.0 and P value ≤ 0.05 and shown in volcano plots and heat maps. GO and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis were applied to explore the potential roles that the differentially expressed mRNAs played in biological pathways or GO terms, including the following three categories: biological process, cellular component, and molecular function16 (link).
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