Browsing by Author "TAHER AL-RIKABI, MARYAM MUHSIN"

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In Silico Screening of Potent Histon Demethylase1 (lsd1) Enzyme Inhibitor
(Kadir Has Üniversitesi, 2020) TAHER AL-RIKABI, MARYAM MUHSIN; Yelekçi, Kemal; Yelekçi, Kemal
Histone lysine specific demethylase (LSD1) is one of the main enzymes which regulates histone demethylation which in return regulates different epigenetic processes such DNA replication and transcription also gene silencing. Moreover, recent studies have made a direct yet unclear link between LSD1 and the development of several diseases such viral infections, neurodegenerative diseases and most commonly cancer. An overexpression of the enzyme has been observed in different types of cancer including; acute myeloid leukemia (AML), breast cancer, lung cancer and prostate cancer. This observation led to the development of two LSD1 inhibitors; Tranylcypromine and 2-[4-methoxy-phenyl] Cyclopropylamine yet both have demonstrated low selectivity against the enzyme therefore this study along with many others solo focus on finding more potent LSD1 inhibitors through applying newly developed computer aided drug design (in silico) approaches. In this study Zinc15 database was screened in order to obtain pre-synthesized potential lead compounds. 40 thousand compounds were obtained, prepared and docked in two phases, firstly with PyRx autodock vina software and afterwards the compounds that have passed the first evaluation were further docked in autodock4 software and a total of 24 compounds have shown potential with a binding energy of -8.00 kcal/mol and less. Later on, Discovery Studio Visualizer software was used to generate 2D and 3D diagram pictures of the enzyme – ligand complex to further display and investigate the ligand interactions in the enzymes binding pocket.