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Vpliv amiloida beta na izražanje profilina 1 v človeških nevroblastomskih celicah = Influence of amyloid beta on profilin 1 expression in human neuroblastoma cells : enoviti magistrski študijski program FarmacijaRovis, RenataAlzheimerjeva bolezen (AB) je progresivna nevrološka bolezen, za katero so značilne vedenjske spremembe, izguba spomina in kognitivne težave. V javnem zdravju ima AB pomembno vlogo, ker ima več deset ... milijonov ljudi na svetu to bolezen in je najpogostejša oblika demence. Pri bolezni se v možganih pojavijo amiloidni plaki, ki jih sestavlja agregiran peptid amiloid beta (Aβ). Amiloidni plaki onemogočajo pravilno delovanje nevronov in povzročijo nevrodegeneracijo. Peptid Aβ v nevronih spremeni tudi izražanje genov, ki imajo pomembno vlogo pri sinaptičnem delovanju, vnetju in apoptozi. Posledično se poruši homeostaza, pospeši se nevroinflamacija in poškoduje signalizacija med nevroni. Aβ se v in vitro testu specifično veže s proteinom profilinom 1, ki uravnava polimerizacijo aktina. Profilin 1 uravnava sinaptično plastičnost in morfologijo nevronov. Osrednji namen magistrske naloge je ugotoviti, ali Aβ1-42 vpliva na izražanje gena pfn1. Celice človeške nevroblastomske linije SH-SY5Y smo izpostavili Aβ1-42. Spreminjali smo pogoje poskusa glede izpostavljenosti celic različnim koncentracijam in oblikam Aβ1-42. Nato smo iz celic izolirali RNA. Z reverzno transkripcijo smo vzorce pripravili za verižno reakcijo s polimerazo v realnem času. Tako smo dobili podatke o izražanju gena pfn1 po izpostavitvi celic Aβ1-42. Vzporedno smo pod enakimi pogoji v istih vzorcih analizirali še štiri dodatne gene: atf3, dkk1, igfbp in lmo3. Zanje je znano, da Aβ vpliva na njihovo izražanje. Pri izpostavitvi celic SH-SY5Y fibrilam ali monomerom Aβ1–42 smo odkrili trend povečanega izražanja gena pfn1. Rezultati so skladni s prej znanim trendom zvečane vsebnosti profilina 1 v celicah SH-SY5Y po izpostavitvi Aβ1-42. Izražanje gena pfn1 je časovno odvisno, z največjo razliko v izražanju po 8 h izpostavitve celic Aβ1-42. Faktor spremembe v izražanju gena pfn1 je 1,1–1,2.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Rovis], 2023Language - slovenianCOBISS.SI-ID - 171417603
Author
Rovis, Renata
Other authors
Pečar Fonović, Urša |
Lovšin, Nika
Topics
Alzheimerjeva bolezen |
Gensko izražanje |
celična linija SH-SY-SY5Y |
amiloid beta |
profilin 1 |
izražanje genov
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Pharmacy, Lj. | Knjižnica emšf 575 ROVIS RENATA Vpliv 1336 IN: 0017880 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Rovis, Renata | ![]() |
Pečar Fonović, Urša | 19170 |
Lovšin, Nika | 19649 |
Source: Personal bibliographies
and: SICRIS
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