Journal
ONCOTARGET
Volume 8, Issue 21, Pages 34374-34386Publisher
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.16163
Keywords
diffuse large B-cell lymphoma; long non-coding RNA; NONHSAG026900; prognosis; biomarker
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Funding
- National Natural Science Foundation of China [31371320, 31401119, 61472397, 31501066]
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Long non-coding RNAs are known to be involved in cancer progression, but their biological functions and prognostic values are still largely unexplored in diffuse large B-cell lymphoma. In this study, long non-coding RNAs expression was characterized in 1,403 samples including normal and diffuse large B-cell lymphoma by repurposing 7 microarray datasets. Compared with any stage of normal B cells, NONHSAG026900 expression was significantly decreased in tumor samples. And in germinal center B-cell subtype, the significantly higher expression of NONHSAG026900 indicated it was a favorable prognosis biomarker. Then the prognostic power of NONHSAG026900 was validated with another independent dataset and NONHSAG026900 improved the predictive power of International Prognostic Index as an independent factor. Moreover, functional prediction and validation demonstrated that NONHSAG026900 could inhibit cell cycle activity to restrain tumor proliferation. These findings identified NONHSAG026900 as a novel prognostic biomarker and offered a new therapeutic target for diffuse large B-cell lymphoma patients.
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