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Differences in urinary proteins related to surgical margin status after radical prostatectomy
Z Heger, P Michalek, R Guran, N Cernei, K Duskova, S Vesely, J Anyz, O Stepankova, O Zitka, V Adam, R Kizek
Jazyk angličtina Země Řecko
Grantová podpora
NT13472
MZ0
CEP - Centrální evidence projektů
Digitální knihovna NLK
Plný text - Článek
Zdroj
NLK
Free Medical Journals
od 2006 do Před 1 rokem
ProQuest Central
od 2012-01-01
Medline Complete (EBSCOhost)
od 2014-06-01
Health & Medicine (ProQuest)
od 2012-01-01
PubMed
26503549
Knihovny.cz E-zdroje
- MeSH
- antigeny nádorové * biosyntéza moč MeSH
- cyklin-dependentní kinasa 6 * biosyntéza moč MeSH
- elektroforéza v polyakrylamidovém gelu MeSH
- glykoproteiny * biosyntéza moč MeSH
- izoenzymy biosyntéza moč MeSH
- L-laktátdehydrogenasa * biosyntéza moč MeSH
- lidé středního věku MeSH
- lidé MeSH
- nádorové biomarkery * biosyntéza moč MeSH
- nádory prostaty * MeSH
- přežití po terapii bez příznaků nemoci MeSH
- prognóza MeSH
- prostatektomie MeSH
- proteomika MeSH
- senioři MeSH
- transportní proteiny * biosyntéza moč MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
Presented exploratory pilot study was aimed at evaluation of proteins present in urinary specimens collected from prostate cancer suffering subjects after radical prostatectomy, divided into two experimental cohorts: positive (n=15) and negative (n=15) surgical margins (PSM/NSM). The presence of PSM suggests inadequate cancer clearance and the possible need for additional treatment. Proper identification of these risk-patients is therefore of a paramount importance. Total protein profiles were firstly identified by using SDS-PAGE and compared by using partial least square discrimination analysis (PLS-DA), which revealed differences in molecular weights of 80-99 and 150-235 kDa between the experimental groups. For further identification of proteins, comparative proteomic technologies were employed. Two-dimensional gel electrophoresis with subsequent identification of protein spots by using MALDI-TOF mass fingerprinting revealed differential expression of proteins between NSM/PSM cohorts. Moreover, in PSM group, three uniquely identified proteins (cyclin-dependent kinase 6, galectin-3-binding protein and L-lactate dehydrogenase C chain) were found, which show tight connection with prostate cancer and presence of all of them was previously linked to certain aspects of prostate cancer. These proteins may be associated with the molecular mechanisms of prostate cancer development; hence, their identification may be helpful for the assessment of disease progression risk after radical prostatectomy, but also for possible early diagnosis.
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