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Updated: May 20, 2026

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
Published on: June 15, 2016
MicroRNA signatures in B-cell lymphomas
MicroRNA (miRNA) expression profiles can help diagnose B-cell non-Hodgkin lymphoma (NHL) subtypes. Specific miRNA signatures differentiate lymphoma types and aid in distinguishing Burkitt lymphoma (BL) from diffuse large B-cell lymphoma (DLBCL).
Area of Science:
- Molecular Biology
- Oncology
- Genetics
Background:
- Accurate diagnosis, prognosis, and therapy for lymphoma necessitate improved biomarkers.
- MicroRNA (miRNA) expression is a potential area for identifying novel diagnostic markers in B-cell non-Hodgkin lymphoma (NHL).
Purpose of the Study:
- To investigate the relevance of miRNA expression across all major B-cell non-Hodgkin lymphoma types.
- To identify differentially expressed miRNAs between Burkitt lymphoma (BL) and diffuse large B-cell lymphoma (DLBCL).
Main Methods:
- Hybridization of 147 NHL samples and 15 controls on a human miRNA platform (470 probes).
- Comparative analysis of lymphoma types against the NHL set and direct comparison of BL vs. DLBCL.
- Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) analysis of 43 preselected miRNAs in 28 BL and 43 DLBCL samples.
Main Results:
- A signature of 128 miRNAs characterized lymphoma neoplasms, reflecting type, cell of origin, and oncogene alterations.
- Comparative analysis identified 19 differentially expressed miRNAs between BL and DLBCL.
- These miRNA differences were confirmed in a second series of 71 paraffin-embedded samples.
Conclusions:
- MicroRNA expression profiles offer potential as diagnostic markers for lymphoma.
- The identified differentially expressed miRNAs are valuable for the differential diagnosis of BL and DLBCL.
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