Construction and Value Analysis of a Prognostic Assessment Model Based on Radiomics and Genetic Data for Colorectal Cancer.

IF 1 4区 医学 Q3 MEDICINE, GENERAL & INTERNAL
Yongna Cheng, Ziming Feng, Xiangming Wang
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引用次数: 0

Abstract

Aims/Background Colorectal cancer (CRC) is one of the major global health problems, with high morbidity and mortality, underscoring the need for new diagnostic and prognostic tools. Therefore, this study aims to evaluate the significance of integrating radiomics with genetic data in CRC prognostic assessment and improve the accuracy of prognosis prediction. Methods This study included computed tomography (CT) images from 225 CRC patients and RNA-seq information from 654 patients, obtained from the TICA database. Key radiomics features and genes were identified through radiomics feature extraction, least absolute shrinkage and selection operator (LASSO) regression analysis, and Kaplan-Meier survival analysis. Furthermore, a CRC prognostic model was constructed using these key genes and radiomics features. Results This study identified 170 key radiomics features. Out of them, five were significantly associated with CRC prognosis. Transcriptome data analysis identified 8 key genes, among which the high expressions of Inhibin Subunit Beta B (INHBB), Potassium Voltage-Gated Channel Subfamily Q Member 2 (KCNQ2), and Ubiquilin Like (UBQLNL) were significantly correlated with poor prognosis. Age, tumor stage, pathological T stage, and pathological N stage were determined as independent prognostic factors. Moreover, immune infiltration analysis demonstrated that the immune score of the low-risk group was higher than that of the high-risk group, with significant differences in some immune cells, and key genes were correlated with immune cells. Additionally, the constructed CRC prognostic model incorporating three genes, INHBB, KCNQ2, and UBQLNL, exhibited high prediction accuracy in the validation set, with area under the curve (AUC) values of 0.80, 0.87, and 0.84 at 1-year, 3-year, and 5-year, respectively, indicating good prediction performance and reliability of the model. Conclusion The multimodal data combining radiomics features and gene expression data can improve the accuracy of CRC prognostic assessment, providing a valuable prognostic prediction tool for clinical practice and helping to guide the selection and optimization of treatment regimens.

目的/背景 大肠癌(CRC)是全球主要健康问题之一,发病率和死亡率都很高,因此需要新的诊断和预后工具。因此,本研究旨在评估将放射组学与基因数据整合在 CRC 预后评估中的意义,并提高预后预测的准确性。方法 本研究从 TICA 数据库中获取了 225 例 CRC 患者的计算机断层扫描(CT)图像和 654 例患者的 RNA-seq 信息。通过放射组学特征提取、最小绝对收缩和选择算子(LASSO)回归分析以及卡普兰-梅耶生存分析,确定了关键放射组学特征和基因。此外,还利用这些关键基因和放射组学特征构建了一个 CRC 预后模型。结果 该研究发现了 170 个关键放射组学特征。其中,5 个特征与 CRC 预后明显相关。转录组数据分析发现了 8 个关键基因,其中抑制素亚基 Beta B (INHBB)、钾电压门通道 Q 亚家族成员 2 (KCNQ2) 和 Ubiquilin Like (UBQLNL) 的高表达与预后不良明显相关。年龄、肿瘤分期、病理 T 期和病理 N 期被确定为独立的预后因素。此外,免疫浸润分析表明,低危组的免疫评分高于高危组,部分免疫细胞存在明显差异,关键基因与免疫细胞相关。此外,所构建的包含 INHBB、KCNQ2 和 UBQLNL 三个基因的 CRC 预后模型在验证集中表现出较高的预测准确性,在 1 年、3 年和 5 年的曲线下面积(AUC)值分别为 0.80、0.87 和 0.84,表明该模型具有良好的预测性能和可靠性。结论 结合放射组学特征和基因表达数据的多模态数据可以提高 CRC 预后评估的准确性,为临床实践提供有价值的预后预测工具,有助于指导治疗方案的选择和优化。
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来源期刊
British journal of hospital medicine
British journal of hospital medicine 医学-医学:内科
CiteScore
1.50
自引率
0.00%
发文量
176
审稿时长
4-8 weeks
期刊介绍: British Journal of Hospital Medicine was established in 1966, and is still true to its origins: a monthly, peer-reviewed, multidisciplinary review journal for hospital doctors and doctors in training. The journal publishes an authoritative mix of clinical reviews, education and training updates, quality improvement projects and case reports, and book reviews from recognized leaders in the profession. The Core Training for Doctors section provides clinical information in an easily accessible format for doctors in training. British Journal of Hospital Medicine is an invaluable resource for hospital doctors at all stages of their career. The journal is indexed on Medline, CINAHL, the Sociedad Iberoamericana de Información Científica and Scopus.
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