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72bf04ec-a6d7-4f2e-b357-ef64c87ed595 - samples

ABSTRACT: We performed single cell RNA sequencing (scRNA-seq) for 208,506 cells derived from 58 lung adenocarcinomas from 44 patients, which covers primary tumour, lymph node and brain metastases, and pleural effusion in addition to normal lung tissues and lymph nodes. The extensive single cell profiles depicted a complex cellular atlas and dynamics during lung adenocarcinoma progression which includes cancer, stromal, and immune cells in the surrounding tumor microenvironments.

PROVIDER: EGAD00001005054 | EGA |

REPOSITORIES: EGA

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Single cell RNA sequencing of lung adenocarcinoma

Project description:We performed single cell RNA sequencing (scRNA-seq) for 208,506 cells derived from 58 lung adenocarcinomas from 44 patients, which covers primary tumour, lymph node and brain metastases, and pleural effusion in addition to normal lung tissues and lymph nodes. The extensive single cell profiles depicted a complex cellular atlas of lung adenocarcinoma progression which includes cancer, stromal, and immune cells in the surrounding tumor microenvironments.

2020-03-27 | GSE131907 | GEO

80ae2412-7d77-4d96-8272-7d0aba035978 - samples

Project description:We performed single cell RNA sequencing (scRNA-seq) for 208,506 cells derived from 58 lung adenocarcinomas from 44 patients, which covers primary tumour, lymph node and brain metastases, and pleural effusion in addition to normal lung tissues and lymph nodes. The extensive single cell profiles depicted a complex cellular atlas and dynamics during lung adenocarcinoma progression which includes cancer, stromal, and immune cells in the surrounding tumor microenvironments.

| EGAD00001010320 | EGA

Single cell RNA sequencing of lung adenocarcinoma.

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Microarray expression profiles of circular RNA in malignant pleural effusion

Project description:To explore the expression pattern of circular RNAs (circRNAs) and their biological functions in malignant pleural effusion, we surveyed the circRNA expression profiles of 3 lung adenocarcinoma-associated malignant pleural effusion (LA-MPE) and 3 tuberculous pleural effusion (TPE) from clinical patients using Clariom D human microarray.

2023-05-01 | GSE122427 | GEO

Human pleural effusion LC-MSMS

Project description:We screened pleural effusion proteomes of mesothelioma and lung adenocarcinoma patients to identify novel soluble mesothelioma biomarkers. We performed quantitative mass spectrometry-(MS-) based proteomics using isobaric tags for relative and absolute quantification (iTRAQ) and used narrow range immobilized pH gradient/high resolution isoelectric focusing (IPG/HiRIEF; pH 4 to 4.25) prior to analysis by nano liquid chromatography-coupled MS/MS. Pleural effusions from patients with malignant mesothelioma (n=6), lung adenocarcinoma (n=6), or benign mesotheliosis (n=7) were analyzed, and more than 1,300 proteins were identified.

2014-01-14 | PXD000531 | Pride

Intrapleural nano-immunotherapy promotes innate and adaptive immune responses to enhance anti-PD-L1 therapy for malignant pleural effusion

Project description:Malignant pleural effusion (MPE) is indicative of terminal malignancy with uniformly fatal prognosis. Often, two distinct compartments of tumor microenvironment, the effusion and disseminated pleural tumors, co-exist in the pleural cavity, presenting a major challenge for therapeutic interventions and drug delivery. Clinical evidence suggests that MPE comprises abundant tumor associated myeloid cells with the tumor-promoting phenotype, impairing antitumor immunity. Here, we developed liposomal cyclic dinucleotide (LNP-CDN) for targeted activation of STING signaling in macrophages and dendritic cells and showed that, upon intrapleural administration, they induce drastic changes in the transcriptional landscape in MPE, mitigating the immune cold MPE in both the effusion and pleural tumors. Moreover, combination immunotherapy with blockade of PD-L1 potently reduced MPE volume and inhibited tumor growth not only in pleural cavity but also in lung parenchyma, conferring significantly prolonged survival of MPE-bearing mice. Furthermore, the LNP-CDN-induced immunological effects were also observed with clinical MPE samples, suggesting the potential of intrapleural LNP-CDN for clinical MPE immunotherapy.

2021-09-21 | GSE179783 | GEO

Intrapleural nano-immunotherapy promotes innate and adaptive immune responses to enhance anti-PD-L1 therapy for malignant pleural effusion

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mRNA expression data from macrophages in malignant pleural effusion of wild type and IL-10 deficency mice

Project description:Malignant pleural effusion (MPE) is a common medical problem caused by multiple malignancies especially lung cancers and always along with a poor therapeutic outcome.Interlukin-10 (IL-10) promotes the formation and development of malignant pleural effusion (MPE). In the current study, our results showed that IL-10 deficiency decreased the percentage of macrophages in mice MPE and regulated M1/M2 polarization in vivo and vitro. The migration capacity of tumor cells was suppressed, and apoptosis was promoted when co-cultured with MPE macrophages in the absence of IL-10.

2023-08-09 | GSE220281 | GEO

CircRNA_051778 in Exosomes as A Potential Biomarker for Distinguishing Lung Adenocarcinoma-Associated Malignant Pleural Effusion from Tuberculous Pleural Effusion

Project description:We profiled the exosomal circRNA in lung adenocarcinoma-associated malignant (LA-MPE) and tuberculous (TPE) pleural effusion samples by circRNA microarray to determine the potential functions and diagnostic value of the differential expressed circRNAs (DECs)

2022-04-01 | GSE171540 | GEO

Mapping the soluble human leukocyte antigen peptidome of pleural effusions reveals lung and tumor-associated antigens

Project description:Soluble HLA (sHLA) molecules released to the plasma, carry their original peptide cargo and provide insight into the protein synthesis and degradation schemes of their source cells and tissues. Other body fluids, such as pleural effusions, may also contain sHLA-peptide complexes, and can potentially serve as a source of tumor antigens since these fluids are drained from the tumor microenvironment. Thus, we developed a methodology for purifying and analysing large pleural effusion sHLA class I peptidomes of patients inflicted with malignancies or benign diseases. The cleared pleural fluids, the cell pellets present in the pleural effusions, and the primary tumor cells cultured from cancer patients’ effusions, were used for immunoaffinity purification of the HLA molecules. The recovered HLA peptides were analyzed by capillary chromatography coupled to tandem mass spectrometry and the resulting LC-MS/MS data was analyzed with the MaxQuant software tool. Large HLA peptidomes were obtained by the analysis of the pleural effusions. The majority of peptides identified from the pleural effusions were defined as HLA ligands that fit the patients’ HLA consensus sequence motifs. The membranal and soluble HLA peptidomes of each individual patient were somewhat similar to each other. Many of the HLA peptides were derived from known tumor-associated antigens, lung-related proteins, and VEGF pathway proteins. Thus, the pleural effusion HLA peptidome of patients with malignant tumors can serve as a rich source of biomarkers for tumor diagnosis and personalized immunotherapy.

2022-05-25 | PXD027766 | Pride

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