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PXD017902

PXD017902 is an original dataset announced via ProteomeXchange.

Dataset Summary
TitleCharacterization of the human urine proteome in Prostate Cancer
DescriptionProstate cancer (PCa) is one of the most prevalent cancers among men and the fifth leading cause of cancer-related death in men. Currently, PCa suspicion is based on abnormal digital rectal examination and/or raised PSA serum levels, with prostate needle biopsy being required for a definitive diagnosis. Histopathological classification of tumours based on GS grading, cancer staging and PSA levels are used to predict the indolent or aggressive progression of the tumour as well as the likelihood of disease recurrence. These diagnosis and prognosis tools for PCa have revealed limited usefulness, especially PSA testing, which despite organ-specificity is not cancer-specific, being associated with low specificity. In this vein, new markers have been proposed in order to increase the accuracy of PCa detection, most of them proteins. Despite the significant efforts that have been undertaken for discovering other biomarkers for PCa management, few were translated into clinical practice. The simple and non-invasive nature of urine collection along with its proteome stability and storing many secreted proteins of prostate origin, makes the identification of PCa urinary biomarkers an attractive approach. With this in mind, we aimed to compare the urinary proteome profile of PCa patients with non-cancer patients in order to identify non-invasive candidate biomarkers for PCa prediction. To fulfil this task, we followed a shotgun LC-MS/MS approach using an Orbitrap instrument. A combination of two different software packages, MaxQuant and Proteome Discover was used to increase the robustness of analysis and enhance the search for new biomarkers. Proteins quantification was based on a label-free quantification approach (false discovery rate (FDR) 1%). The present dataset was used to disclosure potential markers in PCa management.
HostingRepositoryPRIDE
AnnounceDate2024-10-22
AnnouncementXMLSubmission_2024-10-22_05:36:20.738.xml
DigitalObjectIdentifier
ReviewLevelPeer-reviewed dataset
DatasetOriginOriginal dataset
RepositorySupportUnsupported dataset by repository
PrimarySubmitterTânia Lima
SpeciesList scientific name: Homo sapiens (Human); NCBI TaxID: 9606;
ModificationListphosphorylated residue; monohydroxylated residue; acetylated residue; iodoacetamide derivatized residue
InstrumentQ Exactive
Dataset History
RevisionDatetimeStatusChangeLog Entry
02020-03-05 04:36:20ID requested
12022-05-19 06:55:29announced
22024-10-22 05:36:21announced2024-10-22: Updated project metadata.
Publication List
10.3390/cancers14082001;
Lima T, Barros AS, Trindade F, Ferreira R, Leite-Moreira A, Barros-Silva D, Jer, ó, nimo C, Ara, ú, jo L, Henrique R, Vitorino R, Fardilha M, Application of Proteogenomics to Urine Analysis towards the Identification of Novel Biomarkers of Prostate Cancer: An Exploratory Study. Cancers (Basel), 14(8):(2022) [pubmed]
Keyword List
submitter keyword: human
proteome
urine
prostate cancer
Contact List
Rui Vitorino
contact affiliationDepartment of Medical Sciences, Institute of Biomedicine-iBiMED,Univerity of Aveiro, 3810-193 Aveiro,Portugal
contact emailrvitorino@ua.pt
lab head
Tânia Lima
contact affiliationUniversity of Aveiro
contact emailtanialima@ua.pt
dataset submitter
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Dataset FTP location
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