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Sinteza 3-cianopiridinskih zaviralcev monoamin oksidaze B in ligaz Mur = Synthesis of 3-cyanopyridine inhibitors of monoamine oxidase B and Mur ligases : Uniform Master's Study Programme PharmacyUrbančič, Tilen, farmacevtMonoamin oksidaza (MAO) je encim, ki katalizira oksidativno deaminacijo aminov, in ki se nahaja na zunanji membrani mitohondrijev. Poznamo dve izoformni obliki encima, MAO A in MAO B, ki se ... razlikujeta predvsem v substratih. Obe obliki sta pomembni tarči pri zdravljenju nevrodegenerativnih bolezni, kot sta Alzheimerjeva in Parkinsonova bolezen. Pri zdravljenju le teh se uporabljajo večinoma ireverzibilni zaviralci encima. V zadnjih letih je trend raziskovanja reverzibilnih MAO zaviralcev, saj ti povzročajo manj nezaželenih učinkov. Ligaza MurD je od ATP odvisen encim v družini encimov ligaz Mur. Gre za bakterijske encime, ki katalizirajo dodajanje peptidov na peptidno verigo prekurzorja peptidoglikana. Gre za že uveljavljeno protibakterijsko tarčo, s katero želimo sintetizirati nove protibakterijske učinkovine. V zadnjih raziskavah navajajo kot eno od možnosti za nastanek Alzheimerjevo bolezen tudi bakterije. V sklopu naloge smo načrtovali in sintetizirali derivate spojine (E)-5-stirilnikotinonitrila, ki so potencialni zaviralci encima MAO oz. MurD. Spojine smo načrtovali na osnovi že znanih aktivnih spojin sintetiziranih na Katedri za farmacevtsko kemijo, Fakultete za farmacijo, Univerze v Ljubljani. Glavni poudarek kemijske sinteze je na Heckovi reakciji in izboljšanje nizkih izkoristkov le-te. Sintetizirali smo 11 novih spojin. Biokemijsko smo testirali sedem spojin na izoliranih rekombinantih človeških encimih MAO-A in MAO-B, ter štiri na izoliranem encimu ligazi MurD. Najbolj se je izkazala spojina (E)-5-(4-metoksi-2-nitrostiril)nikotinnitril (11) z IC50 vrednostjo 0.42 mikroM na encimu MAO-B. Zaključimo lahko, da je spojina (E)-5-(4-metoksi-2-nitrostiril)nikotinnitril (11) odlična smernica za nadaljnje raziskovanje reverzibilnih zaviralcev MAO-B in zdravljenje nevrodegenerativnih bolezni.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Urbančič], 2019Language - slovenianCOBISS.SI-ID - 4802161
Author
Urbančič, Tilen, farmacevt
Other authors
Frlan, Rok
Topics
Farmacevtska kemija |
Nevrodegenerativne bolezni |
ligaze Mur |
zaviralec |
protibakterijske učinkovine |
nevrodegenerativne bolezni |
sinteza piridinov |
monoamin oksidaza (MAO)
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Pharmacy, Lj. | Knjižnica emšf 615 URBANČIČ TILEN Sinteza 773 IN: 0016323 |
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Urbančič, Tilen, farmacevt | ![]() |
Frlan, Rok | 26512 |
Source: Personal bibliographies
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