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Characterisation of circulating tumor‐associated and immune cells in patients with advanced‐stage non‐small cell lung cancer
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Characterisation of circulating tumor‐associated and immune cells in patients with advanced‐stage non‐small cell lung cancer
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Characterisation of circulating tumor‐associated and immune cells in patients with advanced‐stage non‐small cell lung cancer
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Journal Article
Characterisation of circulating tumor‐associated and immune cells in patients with advanced‐stage non‐small cell lung cancer
2024
Overview
Objectives Globally, non‐small cell lung cancer (NSCLC) is the most prevalent form of lung cancer and the leading cause of cancer‐related deaths. Tumor‐associated circulating cells in NSCLC can have a wide variety of morphological and phenotypic characteristics, including epithelial, immunological or hybrid subtypes. The distinctive characteristics and potential clinical significance of these cells in patients with NSCLC are explored in this study. Methods We utilised a spiral microfluidic device to enrich large cells and cell aggregates from the peripheral blood samples of NSCLC patients. These cells were characterised through high‐resolution immunofluorescent imaging and statistical analysis, correlating findings with clinical information from our patient cohort. Results We have identified varied populations of heterotypic circulating tumor cell clusters with differing immune cell composition that included a distinct class of atypical tumor‐associated macrophages that exhibits unique morphology and cell size. This subtype's prevalence is positively correlated with the tumor stage, progression and metastasis. Conclusions Our study reveals a heterogeneous landscape of circulating tumor cells and their clusters, underscoring the complexity of NSCLC pathobiology. The identification of a unique subtype of atypical tumor‐associatedmacrophages that simultaneously express both tumor and immune markers and whose presence correlates with late disease stages, poor clinical outcomes and metastatic risk infers the potential of these cells as biomarkers for NSCLC staging and prognosis. Future studies should focus on the role of these cells in the tumor microenvironment and their potential as therapeutic targets. Additionally, longitudinal studies tracking these cell types through disease progression could provide further insights into their roles in NSCLC evolution and response to treatment. This study highlights the heterogenity of tumor and tumor‐associated immune cells present in the circulation of advanced stage lung cancer patients.
Publisher
John Wiley & Sons, Inc,John Wiley and Sons Inc,Wiley
Subject
