Prognostic Significance and Immune Landscape of an Efferocytosis-Related Gene Signature in Bladder Cancer

被引:0
|
作者
Zheng, Fuchun [1 ,2 ]
Wang, Zhipeng [1 ,2 ]
Dong, Qianxi [1 ,2 ]
Li, Sheng [1 ,2 ]
Xiong, Situ [1 ,2 ]
Yuan, Yuyang [1 ,2 ]
Xu, Songhui [1 ,2 ]
Fu, Bin [1 ,2 ]
机构
[1] Nanchang Univ, Affiliated Hosp 1, Jiangxi Med Coll, Dept Urol, Nanchang 330000, Peoples R China
[2] Jiangxi Inst Urol, Nanchang, Jiangxi, Peoples R China
关键词
Bladder cancer; Efferocytosis; Prognosis; Risk signature; Immunotherapy; TUMOR PROGRESSION; MACROPHAGES; EXPRESSION; GRADE;
D O I
10.1007/s10528-024-10924-0
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
Bladder cancer poses a significant global health challenge, underscoring the imperative for precise prognostic instruments to advance patient care. Against the backdrop of efferocytosis's increasingly recognized role in cancer, this research endeavors to develop and authenticate a prognostic signature intricately linked to efferocytosis in bladder cancer. LASSO-COX regression analysis crafted an efferocytosis-related genes risk prognostic model, followed by the construction of a column chart. External validation sets confirmed the predictive accuracy of both the model and chart. Clinical, tumor microenvironment, drug sensitivity, and immunotherapy analyses were employed to comprehensively assess efferocytosis-related scores. The expression of TGFB3 key genes was validated via RT-PCR and western blotting. Further validation included Transwell, Wound healing, Colony formation, and EDU assays. We formulated and validated an efferocytosis-related genes risk model in bladder cancer, comprising 13 core genes. The risk model demonstrated autonomous prognostic significance in both univariate and multivariate Cox analyses. Following the multivariate analysis, we devised a nomogram. Moreover, by utilizing individual risk scores derived from this risk model, we successfully stratified patients into two discernible risk cohorts, unveiling noteworthy variances in immune infiltration profiles and responsiveness to immunotherapy. Notably, the model's key gene TGFB3 was validated through comprehensive experimental investigations, including Transwell assays for migration and invasion and Wound healing assays for motility on the T24 and BIU cell lines. This study has furnished innovative perspectives on an efferocytosis-related prognostic signature, elucidating the prognosis and immune milieu intricacies in patients with bladder cancer.
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页数:22
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