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Despite the progress made in terms of treatment in the last decades, lung cancer is still the leading cause of cancer death. Smoking is the major cause of the malignancy, while other risk factors include exposure to different carcinogens and family history. There are mainly two types of lung cancer that differ in their biological behaviour, small cell lung cancer and non-small cell lung cancer. The major treatment options are currently surgery, chemotherapy as well as targeted therapy and radiotherapy.
November is Lung Cancer Awareness Month, so as an effort to raise awareness of the need for more research and better community awareness of this disease, we are pleased to share with you recent studies published in Nature Communications on lung cancer, covering all aspects from disease mechanisms to therapeutic approaches.
AXL is overexpressed and has been investigated as a therapeutic target in several cancer types, including lung cancer. Here the authors design AXLdirected CAR-T cells and show that their anti-tumor activity can be improved in combination with microwave ablation in preclinical lung cancer models.
Generation of TNF-α in response to chemotherapy has been associated with chemo-resistance and metastasis propagation. Here the authors show that the combination of an anti-TNF antibody and cisplatin doublet chemotherapy increases anti-tumor efficacy in lung cancer preclinical models and report the results of a phase I clinical trial of the anti-TNF-α antibody certolizumab in combination with chemotherapy in patients with stage IV lung adenocarcinomas.
Fibrocytes are monocyte-derived cells implicated in wound healing. Here, the authors utilise single cell RNA-seq, genetic ablation and multiplexed imaging to identify a fibrocyte population in lung cancer models, and use human lung cancer coculture systems to highlight their potential to modulate microenvironmental niche and sensitivity to endothelin blockade.
Brain metastases (BrMs) in non-small cell lung cancer (NSCLC) are associated with dismal outcomes, and are possibly sustained by the brain microenvironment. Here, the authors analyse NSCLC BrMs using Digital Spatial Profiling and reveal fibrosis, immune suppression, and cell reprogramming in the BrM microenvironment.
Cancer-associated fibroblasts (CAFs) have been implicated in lung cancer chemo-resistance. Here the authors show that a zinc-transporter positive CAF subset is enriched in lung cancer models after chemotherapy and actively transfers zinc to cancer cells, promoting ABCB1-mediated chemo-resistance.
Mutations in RAS oncogenes and related pathways are frequent in lung cancers. Here, the authors derive a RAS gene expression signature and a machine learning classifier to predict drug response and clinical outcomes in lung adenocarcinoma and other solid tumours, with improved performance over KRAS mutations alone.
Fusion genes have been proposed as a potential mechanism of resistance to EGFR tyrosine kinase inhibitors (TKIs) in lung cancer. Here, the authors identify gene fusions that are associated with resistance to EGFR TKIs in non-small cell lung cancers, and test how these fusions impact the response to EGFR TKIs in vitro.
Cancer-associated cachexia is characterized by loss of body weight, skeletal muscle and adipose tissue which relates to higher mortality in cancer patients. Here, the authors show in a lung cancer murine model that both ActRIIB signalling inhibition and restoring appetite are necessary to revert cachexia and improve survival in female mice.
Mutant KRAS (KM) is associated with poor prognosis in lung cancer and reported to promote lipid metabolism. Here, the authors show that fatty acid synthesis, which provides lipids to repair oxidized phospholipids through the FASN-Lands cycle axis, is a specific vulnerability for KM lung cancer.
Only a minority of patients with non-small cell lung cancer (NSCLC) respond to immune checkpoint inhibitors. Here the authors design a nanosystem for the co-delivery of a PLK1 inhibitor and PD-L1 antibody, showing anti-tumor immune responses in preclinical lung cancer models.
Some cancer patients with impaired HLA-I still respond to immunotherapy. Here the authors combine a cytotoxic gene signature from CD4+ and CD8+ T cells with tumor mutational burden to predict immunotherapy response in NSCLC patients, including those with HLA-LOH.
The role of IL-9 in the tumor microenvironment and its effects on macrophages remains unclear. Here, the authors show that IL-9 promotes the expansion of pulmonary macrophages and that targeting the IL-9R/arginase 1 axis restricts tumor growth, thus identifying this cytokine pathway as a potential therapeutic target.
Real-world data (RWD) based control arms provide an option to compare the effectiveness of single-arm trials. By performing multiple quantitative bias analyses to alleviate concerns about trial-RWD comparability, here the authors show that the RET inhibitor pralsetinib provides survival benefit in patients with RET fusion-positive non-small cell lung cancer from the ARROW single-arm trial, (NCT03037385) when compared to pembrolizumab monotherapy and pembrolizumab with chemotherapy RWD cohorts.
Long-read sequencing technologies are useful for the multifaceted task of characterising somatic mutations, including structural variants, in cancers. Here, the authors combine short and long read sequencing for the phasing analysis, which enables them to resolve the chromosomal backgrounds of somatic mutations in Japanese non-small cell lung cancers.
Correct interpretation of computer tomography (CT) scans is important for the correct assessment of a patient’s disease but can be subjective and timely. Here, the authors develop a system that can automatically segment the non-small cell lung cancer on CT images of patients and show in an in silico trial that the method was faster and more reproducible than clinicians.
Immune checkpoint blockade is a promising approach to treat lung cancer, however, immune related adverse events hold back success in some patients. Here authors show that regulatory B cells fail to limit self-reactive T cells in these patients, and B cell phenotyping prior treatment may identify those at risk for these unfavourable outcomes.
Acquired drug resistance is common during chemotherapy. Here, the authors describe the structural basis and molecular mechanism by which allosteric and clinically approved, ATP-competitive inhibitors of EGFR synergize to overcome resistance in lung cancer.
KEAP1 mutations are frequently observed in NSCLC and lead to drug resistance. Here, the authors show that KEAP1 mutations in lung cancer cells leads to FSP1 upregulation through NRF2, resulting in ferroptosis resistance and radioresistance.
Therapeutic options for non-small cell lung cancer patients with brain metastases are limited. Here the authors design B7-H3 targeting CAR-T cells engineered to express the chemokine receptor CCR2b, and show improved accumulation in the brain and enhanced anti-tumor activity in preclinical models of lung cancer brain metastases.
Molecular subtypes of small cell lung cancer characterized by neuroendocrine differentiation have been described in cell lines and primary tumors. The clinical implications of neuroendocrine subtypes in metastatic and relapsed tumors, and the extent to which the subtype distribution is recapitulated in patient-derived models remains unclear. Here, the authors integrated genomics and transcriptomics on 100 small cell cancers from a range of metastatic sites finding complex intra- and intertumoral heterogeneity, notably not recapitulated in patient-derived model systems, and distinct therapeutic vulnerabilities associated with neuroendocrine subtypes.
Creating accurate models of small cell lung cancer is essential to ensure the clinical relevance of results. Here, the authors create patient derived xenograft models from 33 patients and show, through multi-omics sequencing, that these models retain the primary features of the original.
With non-small cell lung cancer (NSCLC) being the leading cause of cancer deaths worldwide, the development of targeted therapies remains crucial. Here, the generation and multi-omics characterization of 137 NSCLC patient-derived xenografts provides a resource for potential classifications and targets.
Resistance to EGFR inhibitors presents a major obstacle in treating non-small cell lung cancer. Here, the authors develop a recommender system ranking genes based on trade-offs between diverse types of evidence linking them to potential mechanisms of EGFRi resistance.
The molecular factors that drive invasiveness and metastasis in lung adenocarcinoma (LUAD) are not completely understood. Here, the authors use an integrative network approach to identify a gene signature of invasiveness in LUAD, and reveal Aurora kinases as master regulators of invasion.
Germline variants that predispose to lung cancer have been mostly studied in Western populations, but data from Chinese patients is lacking. Here the authors analyze lung cancer germline variants in 1794 Chinese patients, finding exclusive variants or with different frequency compared to TCGA data.
LKB1 tumour suppressor gene is frequently mutated in lung adenocarcinoma. Here the authors show that in genetically engineered mouse models of lung cancer Lkb1 restoration induces growth arrest and drives neoplastic cells toward a more differentiated and less proliferative alveolar type II cell-like state via C/EBP-mediated reprogramming.
The mechanistic role regulated by the oncogene ∆Np63 in lung cancer development is currently unclear. Here, the authors show that ΔNp63 is pro-tumorigenic in lung adenocarcinoma as well as squamous cell carcinoma, and maintains lung cancer progenitor cells via regulation of super-enhancer-associated genes, including BCL9L
The molecular determinants of lung cancer histologic subtypes are not well understood. Here the authors analyze lung cancers of mixed histology and find that histologic subtypes are associated with transcriptomic features rather than genomic profiles in most tumors.
The definition of biomarkers to predict therapy responses to immune-checkpoint inhibitors represent an unmet clinical need. Here the authors provide evidences that platelet-derived PD-L1 could serve as a prognostic and predictive biomarker in patients with non-small cell lung cancer.
ctDNA has been shown to identify minimal residual disease (MRD) and is thus dynamically monitored in different types of tumours. Here, the authors show that serial longitudinal ctDNA analysis can be used as a tool to detect MRD, inform the use of adjuvant therapy, and predict recurrence risk in lung cancer.
Detailed immune cell subset identification in human lung (malignant pleural effusion) MPE is important for diagnosis and prognosis. Here the authors use single cell RNA sequencing to identify immune cell types within MPE and show differential gene expression compared to circulating immune cells in blood.
The emergence of acquired resistance to standard platinum-etoposide chemotherapy in small cell lung cancer (SCLC) is a common event. Here, the authors using paired pre-treatment and post-chemotherapy circulating tumour cell patient-derived explant (CDX) models reveal a mechanism of drug resistance in SCLC mediated by Notch and nitric oxide activation of soluble guanylate cyclase signalling.
Small-cell lung cancer (SCLC) is an aggressive disease with limited therapeutic options. Here the authors perform an immunogenomic analysis of limited-stage SCLC, revealing a homogeneous mutational landscape, but limited T-cell infiltration and a cold and heterogeneous T cell repertoire.
The origin and progression of lung adenocarcinoma (LUAD) are still poorly understood. Here, the authors analyse LUAD composition and progression in patient samples using single-cell RNA-seq and multiplex imaging, revealing a potential transcriptional divergence from alveolar type 2 cells.
Adjuvant gefitinib improves outcomes in non-small cell lung cancer (NSCLC) patients compared to chemotherapy, but not in all cases. Here, the authors find genomic biomarkers of response to gefitinib in NSCLC patients from the ADJUVANT trial, and propose a score to stratify them by potential benefit from the treatment.
EGFR mutant lung tumours do not respond favourably to immunotherapy. Here, using single cell sequencing, the authors find that tissue resident memory CD8+ T like cells are reduced in the immune landscape of EGFR mutant tumours in comparison to wild type tumours and the presence of these cells may predict response to immunotherapy.
Aberrant EGFR activation is commonly found in non-small cell lung cancer (NSCLC). Here the authors show that E3 ubiquitin ligase FBXL2 targets EGFR and EGFR tyrosine kinase inhibitor (TKI)-resistant mutants for proteasome-mediated degradation to inhibit EGFR-driven NSCLC growth and TKI resistance.
The tumour microenvironment (TME) may change in response to cancer treatments such as KRAS G12C inhibition, with potential implications for combination therapies. Here, the authors provide an antibody panel and workflow for analysing the TME with imaging mass cytometry in pre-clinical mouse models.
Alternative polyadenylation (APA) regulates the length of the 3′UTR of mRNA. Here, the authors describe a method to accurately measure APA in tumours and apply this method to investigate the differences in APA in African American and European American lung cancer samples.
Kinase inhibitors are widely used to treat cancer, however patients frequently develop resistance. Here, the authors investigate adaption mechanisms during drug persistence and show that stimulation of the innate immunity sensor RIG-I enhances cancer cell death when combined with kinase inhibition.
Multi-region sequencing of small cell lung cancers (SCLC) can improve our understanding of the disease. Here the authors analyse 120 multi-region samples from 40 SCLC patients with whole exome sequencing and characterise their mutational burden, evolution, heterogeneity, and potential prognostic biomarkers.
Response to PD-1 checkpoint blockade is unpredictable in lung cancer patients. Here authors show in human lung and mouse tumour models that low or absent αV integrin expression leads to better tumour growth control by anti-PD-1 via reduced TGF-β activation and hence increased infiltration of anti-tumour CD8+ T cells.
DNA from tumour cells can be detected in the blood of cancer patients. Here, the authors show that cell free DNA fragmentation patterns can identify lung cancer patients and when this information is further interrogated it can be used to predict lung cancer histological subtype.
Granulomatous/sarcoid-like lesions have been reported in patients treated with immune checkpoint inhibitors (ICIs). Here the authors report the occurrence of “nodal immune flare”, an apparent radiological cancer progression in the nodes characterized by the absence of cancer and the presence of non-caseating granulomas, in patients with non-small cell lung cancer following neoadjuvant ICI treatment.
The underlying mechanisms by which Smad4 loss-of-function accelerates lung cancer metastasis is unclear. Here, the authors show PAK3 as a downstream effector of Smad4 promoting metastatic signalling and suggest Smad4-PAK3 regulation as a point of potential therapy in metastatic lung cancer.
The cancer cell-extrinsic roles of deubiquitinases are unclear. Here the authors show that deubiquitinase USP12 downregulation contributes to development of an immune-suppressive tumour microenvironment in KRAS-driven lung cancers and mechanistically this is through the insufficient deubiquitination of the NF-κB inhibitor, PPM1B.
RIT1 mutations are mutually exclusive with other lung cancer drivers and lack targeted therapies. Here the authors examine genetic dependencies of mutant RIT1 with genome-wide CRISPR screens, revealing synergy between RIT1 and YAP1, and increased sensitivity to Aurora kinase inhibitors.
The Integrated Stress Response (ISR) is a cytoprotective pathway upregulated in many cancers. Here the authors show that the activation of PERK/p-eIF2α arm of ISR enhances ERK phosphorylation through translation repression of DUSP6, thus resulting in KRAS-driven lung tumorigenesis.
Glucocorticoids (GC) are reported to block cancer cell proliferation, but the mode of action is unclear. Here the authors show that glucocorticoid receptor activation induces cancer cell dormancy in lung cancer by regulating CDKN1C expression through a distal enhancer, and these dormant cells are addicted to IGF-1R signalling pathway.
KRAS is commonly mutated at codon 12 in several cancer types, offering a unique opportunity for the development of neoantigen-targeted immunotherapy. Here the authors present a pipeline for the prediction, identification and validation of HLA class-I restricted mutant KRAS G12 peptides, leading to the generation of mutant KRAS-specific T cell receptors for adoptive T cell immunotherapy.
SMARCA4 is commonly inactivated in lung and ovarian cancers. Here the authors show that SMARCA4-deficient tumours have significantly reduced levels of the histone demethylases KDM6s and a strong dependency on these demethylases for tumour growth, so that they are vulnerable to KDM6s inhibition.
Immune checkpoint blockade (ICB) benefits only a small subset of patients with small cell lung cancer (SCLC) and the mechanisms driving benefit are poorly understood. Here, the authors show that elevated Notch signaling predicts clinical benefit in ICB in relapsed SCLC.
Osimertinib and dacomitinib are approved as first-line treatment of EGFR-mutant NSCLC but resistance can arise. Here, the authors use a computational model to identify an optimal dosing schedule for osimertinib and dacomitinib combination therapy that was confirmed tolerable and effective in an ongoing phase I clinical trial.
Low dose computed tomography (LDCT) for lung cancer screening offers an opportunity for simultaneous CVD risk estimation in at-risk patients. Here, the authors develop a deep learning model to perform this task, showing human-level performance.
The evolution of immune landscape in lung adenocarcinoma (ADC) is largely unknown. Here the authors use a cohort of resected invasive lung ADC and its precursors and show a gradual increase of immunosuppression and decrease of anti-tumor response associated with specific genomic and epigenetic features.
Recent clinical trials combining MEK inhibitors with anti-PD-L1 in solid tumours show moderate responses. Here, the authors demonstrate that the combination of MEK inhibition and PD-L1 blockade in KRAS mutant lung cancer models leads to a transient tumour regressions and resistance due to increased infiltration of Th17 cells and that the triple therapy targeting MEK, PD-L1 and IL-17 produced better in vivo responses.
The lengthy time in establishing patient-derived organoids(PDOs) hampers the implementation of PDO-based drug sensitivity tests in clinics. Here, the authors show a microwell array-based method to predict patient’s responses to anti-cancer therapies in a week using lung cancer organoids.
Comprehensive profiles of tumour and microenvironment are critical to understand heterogeneity in non-small cell lung cancer (NSCLC). Here, the authors profile 42 late-stage NSCLC patients with single-cell RNA-seq, revealing immune landscapes that are associated with cancer subtype or heterogeneity.
The superoxide dismutase SOD1 is highly expressed in lung cancer but its role has not fully investigated yet. In this study, the authors demonstrate that SOD1 regulates ribosome biogenesis driving KRAS-driven lung tumorigenesis.