ArticleAnnals of thoracic surgery short reports2023
Sex-Specific Effects of Body Composition on Tumor Microenvironment in Non-Small Cell Lung Cancer: Obesity, Gender, and TME in NSCLC.
Article in Annals of thoracic surgery short reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Radiotherapy-induced abscopal effects in immune checkpoint inhibitor-refractory metastatic disease: results from a large multicenter real-world cohort study.Oncoimmunology · 2026Article
- Sex-specific differences in abscopal responses to combined radiotherapy and immune checkpoint inhibition-insights from a multicenter study.Frontiers in immunology · 2025Observational
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Background: There exists a gap in understanding the interaction between sex and obesity on tumor microenvironment in NSCLC. We demonstrate the combined effects of sex and body composition on clinically relevant biomarkers of NSCLC immune response. Methods: A cohort of 409 patients with NSCLC was subdivided into 4 groups jointly defined by body mass index (BMI; cutoff of 25 kg/m2) and sex (male-high BMI, male-low BMI, female-high BMI, female-low BMI). Associations between these sex-BMI groups and tumor inflammation (expression of 161 immune response genes), cell proliferation (expression of 10 cell proliferation genes), and programmed cell death ligand 1 (PD-L1; through immunohistochemistry and targeted RNA sequencing) were assessed by Kruskal-Wallis and Wilcoxon rank sum tests for overall and pairwise tests, respectively. Results: We observed an overall significant association of sex-BMI with tumor inflammation (P < .001) and cell proliferation (P = .002). On pairwise analysis, high-BMI females had significantly higher tumor inflammation compared with low-BMI females (P = .002). In addition, women with a high (P = .004) and low (P = .008) BMI had significantly higher tumor inflammation compared with men with a high and low BMI, respectively. Low-BMI females (P = .01) and males (P = .01) had more cell proliferation. PD-L1 expression by RNA sequencing (P = .001) but not by immunohistochemical analysis differed significantly with sex-BMI. High-BMI females had significantly higher PD-L1 expression compared with low-BMI females (P = .01). Conclusions: We demonstrate that tumor inflammation and PD-L1 expression are more strongly associated with BMI in women than in men. Additional studies are required to better understand the mechanisms underlying these effects and their role in response to checkpoint inhibitors in NSCLC.
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Registered trials
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