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Review
. 2022 Nov;86(Pt 3):346-355.
doi: 10.1016/j.semcancer.2022.03.015. Epub 2022 Mar 30.

Evolution of small cell lung cancer tumor mutation: from molecular mechanisms to novel viewpoints

Affiliations
Review

Evolution of small cell lung cancer tumor mutation: from molecular mechanisms to novel viewpoints

Xiaojiao Guan et al. Semin Cancer Biol. 2022 Nov.

Abstract

Small cell lung cancer (SCLC) is a clinically common malignant tumor originating from the lung neuroendocrine stem cells, which has a poor prognosis and accounts for approximately 15% of all lung cancer cases. However, research on its treatment has been slow, and the 5-year survival rate of patients with SCLC has been < 5% for many years. In recent years, the development and popularization of gene sequencing technology have facilitated the understanding of the gene mutation landscape and tumor evolution of SCLC, thereby leading to a more accurate prediction of the prognosis of SCLC and the development of individualized treatment. In this review, we aimed to discuss the mutation evolution of SCLC from the perspective of a tumor evolution theory and described the sequence of mutation evolution in the occurrence and development of SCLC. In addition, we summarized the existing whole-exome sequencing (WES) data of SCLC cases at our center along with relevant publications on sequencing. Thereafter, we discuss the role of different mutated pathways in the occurrence of SCLC to predict its prognosis more accurately and summarized individualized treatment strategies.

Keywords: Narrative review; SCLC; Sequencing; Tumor evolution.

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