Microarray expression profiles of long non-coding RNAs in germinal center-like diffuse large B-cell lymphoma

Area of Science:

• Molecular Biology
• Genomics
• Oncology

Background:

• Long non-coding RNAs (lncRNAs) are key regulators of cellular activities.
• The role of lncRNAs in germinal center B-cell-like diffuse large B-cell lymphoma (GCB-DLBCL) pathogenesis is largely unexplored.

Purpose of the Study:

• To investigate lncRNA expression profiles in GCB-DLBCL.
• To identify differentially expressed lncRNAs and predict their functional roles in GCB-DLBCL.

Main Methods:

• Microarray analysis was used to profile lncRNA expression in GCB-DLBCL cell lines and normal B lymphocytes.
• Quantitative reverse transcription polymerase chain reaction (qRT-PCR) validated lncRNA expression.
• Bioinformatic analyses, including Gene Ontology, pathway, and network analysis, were performed.

Main Results:

• A total of 21,539 lncRNAs were expressed across all samples.
• 1,648 lncRNAs were significantly upregulated and 2,671 were significantly downregulated in GCB-DLBCL cell lines (P<0.05).
• Pathway analysis implicated 64 upregulated and 62 downregulated pathways (P<0.05); a lncRNA-mRNA network was constructed.

Conclusions:

• This study identifies differentially expressed lncRNAs in GCB-DLBCL.
• The findings provide a foundation for understanding the functional roles of lncRNAs in GCB-DLBCL development.
• These results contribute to a deeper comprehension of GCB-DLBCL pathogenesis.