Integrative multi-omics characterization reveals sex differences in glioblastoma

被引:1
|
作者
Jang, Byunghyun [1 ,2 ]
Yoon, Dayoung [1 ,2 ]
Lee, Ji Yoon [1 ,2 ]
Kim, Jiwon [1 ,2 ]
Hong, Jisoo [1 ,2 ]
Koo, Harim [1 ,2 ,3 ,4 ]
Sa, Jason K. [1 ,2 ]
机构
[1] Korea Univ, Dept Biomed Informat, Coll Med, Seoul, South Korea
[2] Korea Univ, Coll Med, Dept Biomed Sci, Seoul, South Korea
[3] Natl Canc Ctr, Grad Sch Canc Sci & Policy, Dept Canc Biomed Sci, Goyang, South Korea
[4] Natl Canc Ctr, Res Inst & Hosp, Dept Clin Res, Goyang, South Korea
基金
新加坡国家研究基金会;
关键词
Multi-omics; Glioblastoma; Sex-difference; Proteomics; CANCER CELLS; OSTEOPONTIN; MUTATIONS; RECEPTOR; TEMOZOLOMIDE; SURVIVAL; GROWTH; EGFR; PROGESTERONE; RADIOTHERAPY;
D O I
10.1186/s13293-024-00601-7
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BackgroundGlioblastoma (GBM) is the most common and lethal primary brain tumor in adults, with limited treatment modalities and poor prognosis. Recent studies have highlighted the importance of considering sex differences in cancer incidence, prognosis, molecular disparities, and treatment outcomes across various tumor types, including colorectal adenocarcinoma, lung adenocarcinoma, and GBM.MethodsWe performed comprehensive analyses of large-scale multi-omics data (genomic, transcriptomic, and proteomic data) from TCGA, GLASS, and CPTAC to investigate the genetic and molecular determinants that contribute to the unique clinical properties of male and female GBM patients.ResultsOur results revealed several key differences, including enrichments of MGMT promoter methylation, which correlated with increased overall and post-recurrence survival and improved response to chemotherapy in female patients. Moreover, female GBM exhibited a higher degree of genomic instability, including aneuploidy and tumor mutational burden. Integrative proteomic and phosphor-proteomic characterization uncovered sex-specific protein abundance and phosphorylation activities, including EGFR activation in males and SPP1 hyperphosphorylation in female patients. Lastly, the identified sex-specific biomarkers demonstrated prognostic significance, suggesting their potential as therapeutic targets.ConclusionsCollectively, our study provides unprecedented insights into the fundamental modulators of tumor progression and clinical outcomes between male and female GBM patients and facilitates sex-specific treatment interventions.HighlightsFemale GBM patients were characterized by increased MGMT promoter methylation and favorable clinical outcomes compared to male patients.Female GBMs exhibited higher levels of genomic instability, including aneuploidy and TMB.Each sex-specific GBM is characterized by unique pathway dysregulations and molecular subtypes.EGFR activation is prevalent in male patients, while female patients are marked by SPP1 hyperphosphorylation.ConclusionsCollectively, our study provides unprecedented insights into the fundamental modulators of tumor progression and clinical outcomes between male and female GBM patients and facilitates sex-specific treatment interventions.HighlightsFemale GBM patients were characterized by increased MGMT promoter methylation and favorable clinical outcomes compared to male patients.Female GBMs exhibited higher levels of genomic instability, including aneuploidy and TMB.Each sex-specific GBM is characterized by unique pathway dysregulations and molecular subtypes.EGFR activation is prevalent in male patients, while female patients are marked by SPP1 hyperphosphorylation. Glioblastoma (GBM) is the most common and lethal primary brain tumor in adults with limited treatment modalities and dismal prognosis. A thorough understanding of sex differences could facilitate personalized therapeutic strategies in GBM. In this study, we conducted a comprehensive multi-omics analysis from TCGA, CPTAC, and GLASS studies, revealing distinct molecular and clinical disparities between male and female GBM patients. We discovered that female GBM patients exhibited enrichments of MGMT promoter methylation and high genomic instability, including aneuploidy and TMB. While male GBMs were characterized by activation of EGFR protein and phosphorylation activities, female GBM patients demonstrated hyperphosphorylation of SPP1. Notably, these proteins demonstrated prognostic significance, highlighting their potential as therapeutic targets. Our findings provide unprecedented insights into the fundamental modulators of tumor progression and clinical outcomes in male and female GBM patients, offering valuable opportunities for sex-specific treatment interventions.
引用
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页数:15
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