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Tumor-educated circulating monocytes are powerful specific biomarkers for diagnosis of colorectal cancer

ABSTRACT: Analysis of tumor-educated changes in peripheral blood monocytes at the gene expression level. We analyzed if gene expression in monocytes of patients with colorectal cancer is differential from those of healthy volunteers and found a diagnostic signature that allowed to accurately discriminate patients with colorectal cancer from healthy individuals.

ORGANISM(S): Homo sapiens

PROVIDER: GSE47756 | GEO | 2015/04/02

SECONDARY ACCESSION(S): PRJNA207669

REPOSITORIES: GEO

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Tumor-educated circulating monocytes are powerful specific biomarkers for diagnosis of colorectal cancer

Project description:Analysis of tumor-educated changes in peripheral blood monocytes at the gene expression level. We analyzed if gene expression in monocytes of patients with colorectal cancer is differential from those of healthy volunteers and found a diagnostic signature that allowed to accurately discriminate patients with colorectal cancer from healthy individuals. Peripheral blood monocytes from 93 distinct individuals are profiled on 8 beadchips. The individuals belong to one of three groups: healthy volunteers (38), patients with non-metastatic colorectal cancer (27) or patients with metastatic colorectal cancer (28).

2015-04-02 | E-GEOD-47756 | biostudies-arrayexpress

RNA sequencing of tumor educated platelets reveals a three-gene diagnostic signature in esophageal squamous cell carcinoma

Project description:We aimed to investigate the diagnostic potential of tumor educated platelets in ESCC. In this study, seventy-one ESCC patients and eighty healthy individuals were enrolled and divided into training cohort (23 patients and 27 healthy individuals) and validation cohort (48 patients and 53 healthy individuals). Next-generation RNA sequencing was performed on platelets isolated from peripheral blood of all participants and a support vector machine/leave-one-out cross validation (SVM/LOOCV) approach was used for binary classification. A diagnostic signature composed of ARID1A, GTF2H2 and PRKRIR discriminated ESCC patients from healthy individuals with 91.3% sensitivity and 85.2% specificity in the training cohort and 87.5% sensitivity and 81.1% specificity in the validation cohort. The AUC was 0.924 (95% CI, 0.845–0.956) and 0.893 (95% CI, 0.821–0.966), respectively, in the training cohort and validation cohort. This 3-gene platelet RNA signature could effectively discriminate ESCC from healthy control. Our data highlighted the potential of tumor educated platelets for the noninvasive diagnosis of ESCC. Moreover, we found keratin and collagen protein families, and ECM-related pathways might be involved in tumor progression and metastasis of ESCC, which might provide insights to understand ESCC pathobiology and advance novel therapeutics.

2022-06-01 | GSE197514 | GEO

RNA-seq of tumor-educated platelets enables blood-based pan-cancer, multiclass and molecular pathway cancer diagnostics

2015-10-30 | GSE68086 | GEO

Expression profile comparing tumor GR1+ educated 4T1 cells with spleen Gr1+ educated 4T1 cells

Project description:Expression profile comparing tumor GR1+ educated 4T1 cells with spleen Gr1+ educated 4T1 cells

2024-01-23 | GSE216078 | GEO

Targeted and Non-targeted Proteomics Data of Human Plasma Extracellular Vesicles in Colorectal Cancer and Healthy Volunteers

Project description:Targeted proteomics data was acquired from plasma extracellular vesicles; two pooled colorectal cancer group and two pooled healthy volunteers group. Non-targeted protemics data (selected reaction monitoring: SRM) was acquired from plasma extracellular vesicles; 209 colorectal cancer patients and 109 healthy volunteers.

2021-03-27 | PXD018228 | JPOST Repository

Tumor-educated platelet extracellular vesicles: proteomic profiling

Project description:To characterize proteomic signatures of platelet-derived medium-size EVs(mEVs) EVs of Colorectal cancer patients vs. healthy subjects (HS) matched for sex and age

2023-03-11 | PXD038674 | Pride

Hodgkin lymphoma-educated macrophages

Project description:Comparative proteome analysis of HL and DLBCL educated human macrophages by SWATH-MS.

2020-01-29 | PXD016128 | Pride

RNA-seq of tumor-educated platelets enables blood-based pan-cancer, multiclass and molecular pathway cancer diagnostics

Project description:We report RNA-sequencing data of 283 blood platelet samples, including 228 tumor-educated platelet (TEP) samples collected from patients with six different malignant tumors (non-small cell lung cancer, colorectal cancer, pancreatic cancer, glioblastoma, breast cancer and hepatobiliary carcinomas). In addition, we report RNA-sequencing data of blood platelets isolated from 55 healthy individuals. This dataset highlights the ability of TEP RNA-based 'liquid biopsies' in patients with several types with cancer, including the ability for pan-cancer, multiclass cancer and companion diagnostics. Blood platelets were isolated from whole blood in purple-cap BD Vacutainers containing EDTA anti-coagulant by standard centrifugation. Total RNA was extracted from the platelet pellet, subjected to cDNA synthesis and SMARTer amplification, fragmented by Covaris shearing, and prepared for sequencing using the Truseq Nano DNA Sample Preparation Kit. Subsequently, pooled sample libraries were sequenced on the Illumina Hiseq 2500 platform. All steps were quality-controlled using Bioanalyzer 2100 with RNA 6000 Picochip, DNA 7500 and DNA High Sensitivity chips measurements. For further downstream analyses, reads were quality-controlled using Trimmomatic, mapped to the human reference genome using STAR, and intron-spanning reads were summarized using HTseq. The processed data includes 285 samples (columns) and 57736 ensemble gene ids (rows). The supplementary data file (TEP_data_matrix.txt) contains the intron-spanning read counts, after data summarization by HTseq.

2015-10-30 | E-GEOD-68086 | biostudies-arrayexpress

Quantitative LC-MS/MS Proteomics of human liver microsomes (healthy controls and normal-tumour from cancer patients)

Project description:We report quantification of proteins in human liver microsomal samples from 15 healthy volunteers and 18 patients with cancer in the liver (mainly, colorectal cancer liver metastasis). These data can be used in physiologically based pharmacokinetic models to predict appropriate drug doses in patients with cancer in their liver, especially colorectal cancer liver metastasis.

2023-05-10 | PXD038776 | Pride

miRNA and mRNA profiling of tumor-educated macrophages (mRNA)

Project description:We profiled miRNA and mRNA expression of in vitro tumor-educated macrophages (TEM) by indirectly co-culturing with estrogen-receptor-positive (ER+) MCF-7 breast cancer cells. 3 biological replicates of untreated and co-cultured macrophages, parallel analysis of miRNA and mRNA expression

2015-07-01 | E-GEOD-55015 | biostudies-arrayexpress

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