Proteomics

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Proteomic-based computational stratification of intermediate-risk prostate cancer patients.


ABSTRACT: Gleason grading is an important prognostic indicator for prostate adenocarcinoma and is crucial for patient treatment decisions. However, intermediate-risk patients diagnosed in Gleason Grade Groups (GG) 2 and GG3 can harbour either aggressive or non-aggressive disease, resulting in under- or over-treatment of a significant number of patients. Here, we performed proteomic, differential expression, machine learning, and survival analyses for 1,348 matched tumour and benign samples from 278 patients. Three proteins (F5, TMEM126B and EARS2) were identified as candidate biomarkers in patients with biochemical recurrence. Multivariate Cox regression yielded 18 proteins, from which a risk score was constructed to dichotomise prostate cancer patients into low- and high-risk groups. This 18-protein signature is prognostic for the risk of biochemical recurrence and completely independent of the intermediate GG. Our results suggest that markers generated by computational proteomic profiling have the potential for clinical applications including integration into prostate cancer management.

INSTRUMENT(S): TripleTOF 6600

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Prostate Gland

DISEASE(S): Prostate Adenocarcinoma

SUBMITTER: Zainab Noor  

LAB HEAD: Qing Zhong

PROVIDER: PXD041005 | Pride | 2023-11-30

REPOSITORIES: pride

Dataset's files

Source:
Action DRS
170728_PC1_CPP582_sw.wiff Wiff
170728_PC1_CPP582_sw.wiff.scan Wiff
170728_PC1_CPP583_sw.wiff Wiff
170728_PC1_CPP583_sw.wiff.scan Wiff
170728_PC1_CPP584_sw.wiff Wiff
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