Comprehensive Analysis of Ferroptosis Regulators with Regard to PD-L1 and Immune Infiltration in Low-Grade Glioma

被引:1
作者
Luan, Yuxuan [1 ,2 ,3 ]
Chen, Yuling [1 ,2 ,3 ]
Wang, Yilin [4 ,5 ]
Shu, Minfeng [1 ,2 ,3 ]
机构
[1] Fudan Univ, Shanghai Med Coll, Sch Basic Med Sci, Dept Pharmacol, 131 Dongan Rd, Shanghai 200032, Peoples R China
[2] Fudan Univ, Minist Educ MOE, Sch Basic Med Sci, Shanghai Med Coll, 131 Dongan Rd, Shanghai 200032, Peoples R China
[3] Fudan Univ, Shanghai Med Coll, Sch Basic Med Sci, Minist Hlth MOH,Key Lab Med Mol Virol, 131 Dongan Rd, Shanghai 200032, Peoples R China
[4] Fudan Univ, Dept Hepat Surg, Shanghai Canc Ctr, 207 Dongan Rd, Shanghai 200032, Peoples R China
[5] Fudan Univ, Shanghai Med Coll, Dept Oncol, 131 Dongan Rd, Shanghai 200032, Peoples R China
基金
中国国家自然科学基金;
关键词
ferroptosis; low-grade glioma; CD274; prognostic markers; noncoding RNA; MACROPHAGES; MICROGLIA;
D O I
10.3390/ijms241612880
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The prognosis of low-grade glioma (LGG) is highly variable and requires more accurate predictors. Ferroptosis, a newly discovered programmed cell death, has been demonstrated to play a crucial role in some types of tumors. However, prognostic prediction based on ferroptosis-related genes (FRGs) and the influence on the tumor microenvironment (TME) in LGG remains elusive. We derived expression profiles for LGG from public databases. Based on the expression of 25 FRGs in LGG, two independent subtypes and a risk model were successfully constructed. Different methods were applied to assess the tumor heterogeneity, tumor microenvironment, and the prognostic value. In addition, a competing endogenous RNA (ceRNA) regulatory axis was constructed. The subtypes had independent tumor heterogeneity, tumor microenvironments, and prognoses. LPCAT3, SLC1A5, HSPA5, and NFE2L2 were identified as the potential prognostic FRGs. Based on these four FRGs, our risk model possesses excellent potential to predict prognosis and varied immune infiltration abundance. The ceRNA regulatory axis provides a potential therapeutic target for LGG. Our molecular subtypes, risk model, and ceRNA regulatory axis have strong immune prediction and prognostic prediction capabilities which could guide LGG treatment.
引用
收藏
页数:18
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