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Sinteza benzamidnih zaviralcev napetostno odvisnih kalijevih ionskih kanalov Kv1.3 = Synthesis of benzamide-based inhibitors of the Kv1.3 voltage gated potassium ion channel : enoviti magistrski študijski program FarmacijaGornik, Tjaša, farmacevtkaNapetostno odvisni kalijevi kanali imajo pomembno vlogo pri delovanju celice, saj v celični membrani vzpostavljajo mirovni membranski potencial in določajo dolžino trajanja akcijskega potenciala. ... Prav tako so vpleteni v celične procese proliferacije in aktivacije, uravnavanja celičnega volumna in v apoptozo celice. Napetostno odvisni kalijevi kanali podtipa KV1.3 se nahajajo v mnogih celicah v telesu, kjer so vpleteni v različne fiziološke in patofiziološke procese. Ker ima veliko celic, ki so pomembno vpletene v rakave, avtoimunske in kronične vnetne bolezni, povečano izražanje KV1.3 kanalov, so kalijevi kanali lahko pomembni označevalci odkrivanja bolezni in nova tarča za zdravljenje teh bolezni. Z zaviralci kalijevih KV1.3 kanalov bi lahko zmanjšali prekomerne delitve rakavih celic in spodbudili njihovo apoptozo ter s tem preprečili širjenje tumorja. V magistrski nalogi smo sintetizirali pet potencialnih zaviralcev napetostno odvisnih kalijevih kanalov KV1.3. Za spojino vodnico smo izbrali spojino I (IC50 = 920 nM), ki je objavljen zaviralec tega kanala. Na podlagi strukture spojine I smo sintetizirali druge podobne spojine in preverili, ali uspešno zavirajo delovanje kanala in kateri strukturni deli spojine so pomembni za zaviralno delovanje (SAR). Ena izmed petih potencialnih zaviralcev, spojina 3, ki je vsebovala tetrahidropiranski obroč v strukturi, je pokazala 87 % zaviralno delovanje na KV1.3 kanale, zato smo ji določili IC50 vrednost (IC50 = 4,3 μM). Za uspešno zaviranje KV1.3 kanala sta pri spojini 3 najverjetneje najbolj pomembna tetrahidropiranski obroč in benzenov obroč, ki ima na meta mestu vezano metilno skupino. Ostale sintetizirane spojine niso uspešno zavirale kanala KV1.3.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Gornik], 2022Language - slovenianCOBISS.SI-ID - 99406339
Author
Gornik, Tjaša, farmacevtka
Other authors
Peterlin-Mašič, Lucija |
Gubič, Špela
Topics
Rak (medicina) |
Ionski kanalčki |
napetostno odvisni kalijevi kanali |
zaviralci |
SAR |
spojina zadetek |
optimizacija spojine zadetka
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Pharmacy, Lj. | Knjižnica emšf 577 GORNIK TJAŠA Sinteza 1052 IN: 0017191 |
available - reading room |
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Database name | Field | Year |
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Gornik, Tjaša, farmacevtka | ![]() |
Peterlin-Mašič, Lucija | 19317 |
Gubič, Špela | 53671 |
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