Proteomics

Dataset Information

0

Bladder Tumours O-Glycoproteomics


ABSTRACT: Bladder carcinogenesis and tumour progression is accompanied by profound alterations in protein glycosylation. These include the presence of short chain O-glycans such as Tn and T antigens and their sialylated counterparts sialyl-Tn(STn) and sialyl-T(ST). The presence of such structures is commonly associated with poor prognosis. In search for prognosis biomarkers and novel therapeutic targets we have screened, using immunohistochemistry, a series of bladder tumours with differing clinicopathology for these short-chain O-glycans. Aiming at identifying protein targets, we have studied the O-glycoproteome of a pool of STn positive tumours from muscle invasive bladder cancer (MIBC) patients.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Bladder

DISEASE(S): Urinary Bladder Cancer

SUBMITTER: André Silva  

LAB HEAD: José Alexandre Ferreira

PROVIDER: PXD006813 | Pride | 2017-08-17

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Stn_Exp1.raw Raw
Stn_Exp2.raw Raw
Stn_Exp3.raw Raw
Stn_Exp4.raw Raw
Stn_TnT.msf Msf
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Publications

In silico approaches for unveiling novel glycobiomarkers in cancer.

Azevedo Rita R   Silva André M N AMN   Reis Celso A CA   Santos Lúcio Lara LL   Ferreira José Alexandre JA  

Journal of proteomics 20170804


Glycosylation is one of the most common and dynamic post-translational modification of cell surface and secreted proteins. Cancer cells display unique glycosylation patterns that decisively contribute to drive oncogenic behavior, including disease progression and dissemination. Moreover, alterations in glycosylation are often responsible for the creation of protein signatures holding significant biomarker value and potential for targeted therapeutics. Accordingly, many analytical protocols have  ...[more]

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