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Soluble Mesothelin-Related Peptide as a Prognosticator in Pleural Mesothelioma Patients Receiving Checkpoint Immunotherapy

ABSTRACT: Soluble Mesothelin-Related Peptide as a Prognosticator in Pleural Mesothelioma Patients Receiving Checkpoint Immunotherapy

PROVIDER: PRJNA1148672 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30260974_1.fastq.gz	Fastqsanger.gz
	SRR30260974_2.fastq.gz	Fastqsanger.gz
	SRR30260975_1.fastq.gz	Fastqsanger.gz
	SRR30260975_2.fastq.gz	Fastqsanger.gz
	SRR30260976_1.fastq.gz	Fastqsanger.gz

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Soluble Mesothelin-Related Peptide as a Prognosticator in Pleural Mesothelioma Patients Receiving Checkpoint Immunotherapy

Project description:Objective: Immune checkpoint therapy (ICT) has significantly impacted malignant pleural mesothelioma (MPM) treatment. Despite some promising results from combination therapies, nearly half of MPM patients do not benefit, underscoring the urgent need for reliable predictive biomarkers. This study assesses the prognostic value of serum soluble mesothelin-related peptide (SMRP) and PD-L1 levels in MPM patients receiving ICT. Results: Seventy-seven patients (62%) were treated with either anti-PD-(L)1 monotherapy, while the remaining 38% were given combination ICT. Higher pre-ICT SMRP levels were notably observed in epithelioid versus non-epithelioid MPM. Serum PD-L1 levels did not show significant differences between the groups. Univariable analysis identified durable clinical benefits, development of immune-related adverse events, and SMRP levels as significantly associated with OS. Multivariable analysis confirmed SMRP as an independent prognostic factor, with lower levels (≤1.35 nmol/L) correlating with improved OS (median survival: 23 months vs. 13 months). This finding was further validated in the prospective ICT clinical trial cohort. Conclusions: SMRP emerges as a promising serum biomarker for predicting survival in MPM patients treated with ICT, warranting further prospective investigation.

2024-08-19 | GSE274983 | GEO

Identification of novel markers for malignant pleural mesothelioma diagnosis

Project description:Diagnosis of malignant pleural mesothelioma (MPM) is difficult, the most common differential diagnosis being benign pleural diseases and metastatic adenocarcinomas. In order to identify novel markers able to improve diagnostic accuracy, we performed a genome-wide gene expression analysis on tumor cells lines established from pleural effusions (13 MPM and 4 lung adenocarcinoma). Our microarray analysis led to the identification of genes encoding novel cellular and soluble markers whose expression was validated by RT-qPCR. Immunohistochemical staining of tumor biopsies with anti-type-III collagen antibodies were positive in mesothelioma cells but not in adenocarcinoma cells. Using ELISA, we showed that the C-C motif chemokine 2 (CCL2) concentration was significantly higher in pleural effusions from patients with mesothelioma (n = 61) than in subjects with adenocarcinoma (n = 25) or with benign pleural effusions (n = 15): median (interquartile range) = 2.99 ng/mL (1.76-6.01) versus 0.99 ng/mL (0.51-1.83) and 1.47 ng/mL (0.80-1.56), respectively, P < 0.0001. Conversely, the galectin-3 concentration was lower in mesothelioma: 11.50 ng/mL (6.73-23.53) versus 24.74 ng/mL (20.42-70.35) and 17.64 ng/mL (14.81-24.68), respectively, P < 0.0001. The AUC for CCL2 were 0.8030 and 0.7716 for differentiating mesothelioma from adenocarcinoma or benign effusions, respectively. Similarly, the AUC obtained for galectin-3 were 0.7980 and 0.6923, respectively. In conclusion, type-III collagen, CCL2 and galectin-3 are promising new diagnostic markers for mesothelioma.

2009-07-25 | GSE17310 | 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 BG00001 in Treating Patients With Malignant Pleural Mesothelioma or Malignant Pleural Effusions

Project description:RATIONALE: Using BG00001 to insert the gene for interferon-beta into a person’s pleural cavity may improve the body’s ability to fight cancer. PURPOSE: Phase I trial to study the effectiveness of intrapleural BG00001 in treating patients who have malignant pleural mesothelioma or malignant pleural effusions.

| 2009653 | ecrin-mdr-crc

Transcription profiling of human pleural mesothelioma versus parietal and visceral pleura

Project description:Genome-wide profile of pleural mesothelioma versus parietal and visceral pleura

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Chromosomal aberration of malignant pleural mesothelioma cell lines

Project description:To identify regions that display DNA copy number alterations in malignant pleural mesothelioma (MPM), we carried out array comparative genomic hybridization (CGH) analysis with 14 MPM cell lines. Regions of genomic aberrations observed in >20% of individuals were 9p21.3, 13q12.11, 16p13, and 22q12.2 of losses. The most frequent alteration was 9p21.3, which include the p16INK4/p14ARF. The loss of 22q12.2 regions include the NF2 was observed in 3 out of 14 cell lines. In 3 cell lines, loss of 13q12.11 region which contains Large Tumor Suppressor, homolog 2 (LATS2) was detected. Human malignant pleural mesothelioma cell lines were profiled on Agilent 244K aCGH arrays according to manufacturer’s instructions. Pooled normal human genomic DNA was used as the reference.

2010-06-15 | E-GEOD-22237 | biostudies-arrayexpress

Affymetrix OncoScan FFPE Microarray data for Malignant Pleural Mesothelioma Samples

Project description:For establishing a live-cell biobank of Malignant Pleural Mesothelioma (MPM) samples, cultures of two MPM patients were compared to the original tumor tissue using Affymetrix OncoScan Microarrays for genome-wide CNV and LOH detection.

2018-01-18 | GSE109305 | GEO

Gene Expression of Malignant Pleural Mesothelioma Tumor and paired Normal Lung tissue

Project description:In order to discover critical pathways /networks or therapeutic targets in pleural mesothelioma we profiled 55 tumors along with paired normal tissue (for 41 tumors) using Affymetrix U133 plus 2.0 chips

2014-08-31 | GSE51024 | GEO

Genotyping of Malignant Pleural Mesothelioma primary cell lines by SNP array

Project description:SNP array data from 45 cell lines of Malignant Pleural Mesothelioma were used to explore recurrent copy number alterations. This study was part of Cartes d'Identité des Tumeurs (CIT) project from the french Ligue Nationale Contre le Cancer.

2023-12-31 | GSE197288 | GEO

DNA methylation profiling of malignant pleural mesothelioma

Project description:DNA methylation profiling of malignant pleural mesothelioma

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