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The comprehensive expression of BCL2 family genes determines the prognosis of diffuse large B-cell lymphoma

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dc.contributor.authorRoh, J-
dc.contributor.authorPak, HK-
dc.contributor.authorJeong, S-
dc.contributor.authorHwang, S-
dc.contributor.authorKim, DE-
dc.contributor.authorChoi, HS-
dc.contributor.authorKim, SJ-
dc.contributor.authorKim, H-
dc.contributor.authorCho, H-
dc.contributor.authorPark, JS-
dc.contributor.authorJeong, SH-
dc.contributor.authorChoi, YS-
dc.contributor.authorHan, JH-
dc.contributor.authorYoon, DH-
dc.contributor.authorPark, CS-
dc.date.accessioned2023-07-06T06:02:52Z-
dc.date.available2023-07-06T06:02:52Z-
dc.date.issued2023-
dc.identifier.issn0006-291X-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/26139-
dc.description.abstractDiffuse large B-cell lymphoma (DLBCL) is a prevalent and aggressive non-Hodgkin's lymphoma, and 40% of patients succumb to death. Despite numerous clinical trials aimed at developing treatment strategies beyond the conventional R–CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) regimen, there have been no positive results thus far. Although the selective BCL2 inhibitor venetoclax has shown remarkable efficacy in chronic lymphocytic leukemia, its therapeutic effect in DLBCL was limited. We hypothesized that the limited therapeutic effect of venetoclax in DLBCL may be attributed to the complex expression and interactions of BCL2 family members, including BCL2. Therefore, we aimed to comprehensively analyze the expression patterns of BCL2 family members in DLBCL. We analyzed 157 patients with de novo DLBCL diagnosed at Asan Medical Center and Ajou University Hospital. The mRNA expression levels of BCL2 family members were quantified using the NanoString technology. BCL2 family members showed distinct heterogeneous expression patterns both intra- and inter-patient. Using unsupervised hierarchical cluster analysis, we were able to classify patients with similar BCL2 family expression pattern and select groups with clear prognostic features, C1 and C6. In the group with the best prognosis, C1, the expression of pro-apoptotic and pro-apoptotic BH3-only group gene expressions were increased, while anti-apoptotic group expression was significantly increased in both C1 and C6. Based on this, we generated the BCL2 signature score using the expression of pro-apoptotic genes BOK and BCL2L15, and anti-apoptotic gene BCL2. The BCL2 signature score 0 had the best prognosis, score 1/2 had intermediate prognosis, and score 3 had the worst prognosis (EFS, p = 0.0054; OS, p = 0.0011). Multivariate analysis, including COO and IPI, showed that increase in the BCL2 signature score was significantly associated with poor prognosis for EFS, independent of COO and IPI. The BCL2 signature score we proposed in this study provides information on BCL2 family deregulation based on the equilibrium of pro-versus anti-apoptotic BCL2 family, which can aid in the development of new treatment strategies for DLBCL in the future.-
dc.language.isoen-
dc.titleThe comprehensive expression of BCL2 family genes determines the prognosis of diffuse large B-cell lymphoma-
dc.typeArticle-
dc.identifier.pmid37356143-
dc.subject.keywordBCL2 family-
dc.subject.keywordBCL2 signature score-
dc.subject.keywordDiffuse large B-cell lymphoma-
dc.subject.keywordGene expression-
dc.subject.keywordNanoString-
dc.contributor.affiliatedAuthorRoh, J-
dc.contributor.affiliatedAuthorPark, JS-
dc.contributor.affiliatedAuthorJeong, SH-
dc.contributor.affiliatedAuthorChoi, YS-
dc.contributor.affiliatedAuthorHan, JH-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.bbrc.2023.06.061-
dc.citation.titleBiochemical and biophysical research communications-
dc.citation.volume673-
dc.citation.date2023-
dc.citation.startPage36-
dc.citation.endPage43-
dc.identifier.bibliographicCitationBiochemical and biophysical research communications, 673. : 36-43, 2023-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1090-2104-
dc.relation.journalidJ00006291X-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Pathology
Journal Papers > School of Medicine / Graduate School of Medicine > Hematology-Oncology
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