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Ugotavljanje citotoksične aktivnosti nekaterih fitoestrogenov in derivatov cimetne kisline = Determination of cytotoxic activity of some phytoestrogens and cinnamic acid derivatives : diplomska nalogaKrajnc, Alenka, farmacevtka, 1979V diplomski nalogi smo ugotavljali in vitro citotoksièno delovanje nekaterih fitoestrogenov in derivatov cimetne kisline iz banke spojin Fakultete za farmacijo. Za taksno nalogo smo se odloèili, ker ... smo v literaturi zasledili protitumorno delovanje spojin s podobno strukturo. Nekatere od testnih spojin sodijo med nesteroidne inhibitorje encimov iz skupine 17ß-hidroksisteroid dehidrogenaz, zato smo preverjali tudi, èe imajo te spojine rezidualno steroidogeno aktivnost. Spojinam smo ugotavljali in vitro citotoksièno delovanje na celice jetrnega hepatoma (Hep G2), adenokarcinoma dojke (MCF-7), adenokarcinoma dojke (MDA-MB-231) in na celièno linijo normalnih celic, èloveskih transformiranih endotelnih celic umbelikalne vene (HUVEC). Eksponentno rastoèe celice smo izpostavili 10-5 ali 10-6 M raztopinam spojin v0,1% DMSO in po 72 urah doloèili citotoksiènost s kolorimetrièno metodo (MTT test). Rezultate smo statistièno obdelali s Studentovim t-testom in za vsako spojino izraèunali povpreèno vrednost, standardno napako ter doloèali statistièno znaèilno odstopanje od kontrolnih vrednosti. Ugotovili smo, da nekatere spojine v in vitro testiranjih delujejo citotoksièno na celice jetrnega hepatoma (Hep G2), adenokarcinoma dojke (MDA-MB-231) inžali adenokarcinoma dojke (MCF-7), medtem ko na normalne celice nimajo statistièno znaèilnega delovanja. Dve spojini (genistein, kempferol) sta statistièno znaèilno inhibirali rast celic vseh treh tumorskih celiènih linij. Spojini daidzein smo lahko doloèili koncentracijo, pri kateri inhibira rast tumorskih celic adenokarcinoma dojke (MCF-7) za 50 odstotkov (GI50). To kaze na citotoksièno delovanje proti tumorskim celicam adenokarcinoma dojke (MCF-7) ins tem na potencialno protitumorno delovanje. Spojini 3-hidroksiflavon in GKK3, ki veljata za uèinkovita inhibitorja nekaterih encimov iz skupine 17ß-hidroksisteroid dehidrogenaz, sta spodbudili celièno proliferacijo od estrogena odvisnih celic adenokarcinoma dojke (MCF-7), kar je morda posledica rezidualne steroidogene aktivnosti omenjenih spojin.Type of material - undergraduate thesisPublication and manufacture - Ljubljana : [A. Krajnc], 2004Language - slovenianCOBISS.SI-ID - 1500017
Author
Krajnc, Alenka, farmacevtka, 1979
Other authors
Gobec, Stanislav, 1970- |
Filipič, Metka, 1954-
Topics
fitoestrogeni |
cimetna kislina |
MTT test |
citotoksičnost |
celične linije |
gojenje celic
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Pharmacy, Lj. | Knjižnica dp 547 Krajnc Alenka Ugotavljanje IN: 0007549 |
available - reading room |
National Institute of Biology and BF, Department of Biology, Ljubljana | BF oddelek za biologijo dn 547 KRAJNC A. Ugotavljanje IN: 0033355 |
available - reading room |
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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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Krajnc, Alenka, farmacevtka, 1979 | ![]() |
Gobec, Stanislav, 1970- | 15284 |
Filipič, Metka, 1954- | 09892 |
Source: Personal bibliographies
and: SICRIS
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