Proteomics

Dataset Information

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Unbiased undepleted malignant pleural effusion proteomics study


ABSTRACT: Pleural effusion (PE) occurs as a consequence of various pathologies. Malignant effusion due to lung cancer is one of the most frequent causes. Methods for accurate differentiation of malignant from benign PE cases are an unmet clinical need. Proteomics profiling of PE has shown promising results. However, mass spectrometry (MS) analysis typically involves the tedious elimination of abundant proteins before analysis, and clinical annotation of proteomics profiled cohorts is limited. In this study, PE from 97 patients was investigated by applying label-free state-of-the-art liquid chromatography-mass spectrometry (LC-MS) to find potential novel biomarkers that correlate with immunohistochemistry assessment of tumor biopsy or survival data. The data set consists of 214 LC-MS runs.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Malignant Cell, Lung, Pleural Fluid

SUBMITTER: Rune Matthiesen  

LAB HEAD: Rune Matthiesen

PROVIDER: PXD035884 | Pride | 2022-10-14

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Bag4A13_1.mgf Mgf
Bag4A13_1.raw Raw
Bag4A13_1.txt Txt
Bag4A13_2.mgf Mgf
Bag4A13_2.raw Raw
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Publications

Assessment of a Large-Scale Unbiased Malignant Pleural Effusion Proteomics Study of a Real-Life Cohort.

Zahedi Sara S   Carvalho Ana Sofia AS   Ejtehadifar Mostafa M   Beck Hans C HC   Rei Nádia N   Luis Ana A   Borralho Paula P   Bugalho António A   Matthiesen Rune R  

Cancers 20220908 18


<h4>Background</h4>Pleural effusion (PE) is common in advanced-stage lung cancer patients and is related to poor prognosis. Identification of cancer cells is the standard method for the diagnosis of a malignant PE (MPE). However, it only has moderate sensitivity. Thus, more sensitive diagnostic tools are urgently needed.<h4>Methods</h4>The present study aimed to discover potential protein targets to distinguish malignant pleural effusion (MPE) from other non-malignant pathologies. We have collec  ...[more]

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