Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms

TP53 mutation (TP53-mut) correlates with inferior survival in many cancers, whereas its prognostic role in diffuse large B-cell lymphoma (DLBCL) is still in controversy. Therefore, more precise risk stratification needs to be further explored for TP53-mut DLBCL patients. A set of 2637 DLBCL cases fr...

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Main Authors: Du, K, Wu, Y, Hua, W, Duan, Z, Gao, R, Liang, J, Li, Y, Yin, H, Wu, J, Shen, H, Wang, L, Shao, Y, Li, J, Xu, W
Format: Journal article
Language:English
Published: BioMed Central 2024
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author Du, K
Wu, Y
Hua, W
Duan, Z
Gao, R
Liang, J
Li, Y
Yin, H
Wu, J
Shen, H
Wang, L
Shao, Y
Li, J
Liang, J
Xu, W
author_facet Du, K
Wu, Y
Hua, W
Duan, Z
Gao, R
Liang, J
Li, Y
Yin, H
Wu, J
Shen, H
Wang, L
Shao, Y
Li, J
Liang, J
Xu, W
author_sort Du, K
collection OXFORD
description TP53 mutation (TP53-mut) correlates with inferior survival in many cancers, whereas its prognostic role in diffuse large B-cell lymphoma (DLBCL) is still in controversy. Therefore, more precise risk stratification needs to be further explored for TP53-mut DLBCL patients. A set of 2637 DLBCL cases from multiple cohorts, was enrolled in our analysis. Among the 2637 DLBCL patients, 14.0% patients (370/2637) had TP53-mut. Since missense mutations account for the vast majority of TP53-mut DLBCL patients, and most non-missense mutations affect the function of the P53 protein, leading to worse survival rates, we distinguished patients with missense mutations. A TP53 missense mutation risk model was constructed based on a 150-combination machine learning computational framework, demonstrating excellent performance in predicting prognosis. Further analysis revealed that patients with high-risk missense mutations are significantly associated with early progression and exhibit dysregulation of multiple immune and metabolic pathways at the transcriptional level. Additionally, the high-risk group showed an absolutely suppressed immune microenvironment. To stratify the entire cohort of TP53-mut DLBCL, we combined clinical characteristics and ultimately constructed the TP53 Prognostic Index (TP53PI) model. In summary, we identified the truly high-risk TP53-mut DLBCL patients and explained this difference at the mutation and transcriptional levels.
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spelling oxford-uuid:748754f1-e454-4f31-8588-19b42eeacc652024-08-24T20:03:52ZIdentify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanismsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:748754f1-e454-4f31-8588-19b42eeacc65EnglishJisc Publications RouterBioMed Central2024Du, KWu, YHua, WDuan, ZGao, RLiang, JLi, YYin, HWu, JShen, HWang, LShao, YLi, JLiang, JXu, WTP53 mutation (TP53-mut) correlates with inferior survival in many cancers, whereas its prognostic role in diffuse large B-cell lymphoma (DLBCL) is still in controversy. Therefore, more precise risk stratification needs to be further explored for TP53-mut DLBCL patients. A set of 2637 DLBCL cases from multiple cohorts, was enrolled in our analysis. Among the 2637 DLBCL patients, 14.0% patients (370/2637) had TP53-mut. Since missense mutations account for the vast majority of TP53-mut DLBCL patients, and most non-missense mutations affect the function of the P53 protein, leading to worse survival rates, we distinguished patients with missense mutations. A TP53 missense mutation risk model was constructed based on a 150-combination machine learning computational framework, demonstrating excellent performance in predicting prognosis. Further analysis revealed that patients with high-risk missense mutations are significantly associated with early progression and exhibit dysregulation of multiple immune and metabolic pathways at the transcriptional level. Additionally, the high-risk group showed an absolutely suppressed immune microenvironment. To stratify the entire cohort of TP53-mut DLBCL, we combined clinical characteristics and ultimately constructed the TP53 Prognostic Index (TP53PI) model. In summary, we identified the truly high-risk TP53-mut DLBCL patients and explained this difference at the mutation and transcriptional levels.
spellingShingle Du, K
Wu, Y
Hua, W
Duan, Z
Gao, R
Liang, J
Li, Y
Yin, H
Wu, J
Shen, H
Wang, L
Shao, Y
Li, J
Liang, J
Xu, W
Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title_full Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title_fullStr Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title_full_unstemmed Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title_short Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms
title_sort identify truly high risk tp53 mutated diffuse large b cell lymphoma patients and explore the underlying biological mechanisms
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