Fakülteler by Institution Author "Yelekçi, Kemal"
Now showing items 1-20 of 45
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"2-pirazolin yapısındaki yeni bir bileşiğin sentezi, moleküler modellemesi ve monoaminoksidaz inhibitörü etkisinin araştırılması"
Aksöz Evranos, Begüm; Uçar, Gülberk; Yelekçi, Kemal (Türkiye Halk Sağlığı Kurumu, 2018)Amaç: Nöromediatörlerin yıkımından sorumlu olan monoamin oksidaz (MAO) enziminin izoformlarının (MAO-A ve -B) birçok hastalık ile yakından ilişkili olduğu; MAO inhibitörlerinin depresyon, Parkinson ve Alzheimer hastalığı ... -
Absolute configuration and biological profile of pyrazoline enantiomers as MAO inhibitory activity
Goksen, Umut Salgin; Sarıgül, Sevgi; Bultinck, Patrick; Herrebout, Wouter; Doğan, İlknur; Yelekçi, Kemal; Uçar, Gülberk; Kelekçi, Nesrin Gökhan (Wiley, 2019)A new racemic pyrazoline derivative was synthesized and resolved to its enantiomers using analytic and semipreparative high-pressure liquid chromatography. The absolute configuration of both fractions was established using ... -
Aryl butenoic acid derivatives as a new class of histone deacetylase inhibitors: synthesis in vitro evaluation and molecular docking studies
Esiyok, Peruze Ayhan; Seven, özlem; Eymur, Guluzar; Tatar, Gamze Bora; Erden, Didem Dayangaç; Yelekçi, Kemal; Yurter, Hayat; Demir, Ayhan S. (Scientific Technical Research Council Turkey-Tubitak, 2014)New aryl butenoic acid derivatives have been synthesized by combining hydroxy- or methoxy-substituted phenyl rings as the capping group with a double bond in the short linker as well as metal binding groups enoic ester and ... -
Cis-cyclopropylamines as mechanism-based inhibitors of monoamine oxidases
Malcomson, Thomas; Yelekçi, Kemal; Borrello, Maria Teresa; Ganesan, A.; Semina, Elena; De Kimpe, Norbert; Mangelinckx, Sven; Ramsay, Rona R. (Wiley-Blackwell, 2015)Cyclopropylamines inhibitors of monoamine oxidases (MAO) and lysine-specific demethylase (LSD1) provide a useful structural scaffold for the design of mechanism-based inhibitors for treatment of depression and cancer. For ... -
COMP 297-Experimental and molecular docking simulation studies of Histone deacetylases (HDACs) enzyme inhibitors
Yelekçi, Kemal; Bora, Gamze; Dayangaç-Erden, Didem; Ayhan, Peruze; Dalkara, Sevim; Demir, Ayhan S.; Erdem-Yurter, Hayat (Amer Chemical Soc, 2007)[Abstract Not Available] -
Corrected Panel-Reactive Antibody Positivity Rates for Hypersensitized Patients in Turkish Population With Calculated Panel-Reactive Antibody Software
Karadeniz, Sedat Tanju; Akgül, Sebahat Usta; Öğret, Yeliz; Çiftçi, Hayriye Şentürk; Bayraktar, Adem; Bakkaloğlu, Hüseyin; Çalışkan, Yaşar Kerem; Yelekçi, Kemal; Türkmen, Aydin; Aydın, Ali Emin; Oğuz, Fatma Savran; Çarin, Mahmut Nezih; Aydın, Filiz (Elsevier Science Inc, 2017)however the rate was 86.2% using the cPRA. Discussion. cPRA shows the rate of the rejected donors according to all unacceptable antigens. The need for a list of unacceptable antigens in place of the PRA positivity rate is ... -
Crystallographic structure versus homology model: a case study of molecular dynamics simulation of human and zebrafish histone deacetylase 10
Uba, Abdullahi İbrahim; Yelekçi, Kemal (Taylor & Francis, 2020)Histone deacetylase (HDAC) 10 has been implicated in the pathology of various cancers and neurodegenerative disorders, making the discovery of novel inhibitors of the isoform an important endeavor. However, the unavailability ... -
Design and synthesis of novel 2-pyrazoline analogues and their hMAO inhibitory activities
Uçar, Gülberk; Evranos-Aksoz, Begum; Yabanoglu-Çiftçi, Samiye; Yelekçi, Kemal (Wiley-Blackwell, 2015)[Abstract Not Available] -
The design of potent HIV-1 integrase inhibitors by a combined approach of structure-based virtual screening and molecular dynamics simulation
Samorlu, Augustine S.; Yelekçi, Kemal; Uba, Abdullahi Ibrahim (Taylor & Francis Ltd, 2018)Bu araştırmanın amacı, AIDS olarak bilinen insan bağışıklık sistemine etki eden, duraksamayan ve depresif bir hastalığa neden olan HIV-1'in tedavisi için potansiyel inhibitörleri elde etmektir. HIV-1 integraz inhibitörleri, ... -
Design, Synthesis and hMAO Inhibitory Screening of Novel 2-Pyrazoline Analogues
Evranos-Aksöz, Begüm; Uçar, Gülberk; Yelekçi, Kemal (Bentham Science Publ Ltd, 2017)Aim and Objective: MAO inhibitors have a significant effect on the nervous system since they act in regulation of neurotransmitter concentrations. Neurotransmitter levels are critical for a healthy nervous system. MAO ... -
Docking studies on monoamine oxidase-B inhibitors: Estimation of inhibition constants (K-i) of a series of experimentally tested compounds
Toprakçı, Mustafa; Yelekçi, Kemal (Pergamon-Elsevier Science Ltd, 2005)Monoamine oxidase (EC1.4.3.4 -
Drug Design for CNS Diseases: Polypharmacological Profiling of Compounds Using Cheminformatic, 3D-QSAR and Virtual Screening Methodologies
Nikolic, Katarina; Mavridis, Lazaros; Djikic, Teodora; Vucicevic, Jelica; Agbaba, Danica; Yelekçi, Kemal; Mitchell, John B. O. (Frontiers Media Sa, 2016)The diverse cerebral mechanisms implicated in Central Nervous System (CNS) diseases together with the heterogeneous and overlapping nature of phenotypes indicated that multitarget strategies may be appropriate for the ... -
Drug repurposing for coronavirus (COVID-19): in silico screening of known drugs against coronavirus 3CL hydrolase and protease enzymes
Elmezayen, Ammar D.; Al-Obaidi, Anas; Sahin, Alp Tegin; Yelekçi, Kemal (TAYLOR & FRANCIS LTD, 2020)In December 2019, COVID-19 epidemic was described in Wuhan, China, and the infection has spread widely affecting hundreds of thousands. Herein, an effort was made to identify commercially available drugs in order to repurpose ... -
Epitope Based Hla Matching By Using Antibody Reactivity With High Resolution Allele Typing And Hlamatchmaker Algorithm Based Software
Karadeniz, Sedat Tanju; Akgül, Sebahat Usta; Çiftçi, Hayriye Şentürk; Öğret, Yeliz; Oğuz, Fatma; Yelekçi, Kemal; Aydın, Filiz (Wiley, 2017)[Abstract Not Available] -
Evaluation of selective human MAO inhibitory activities of some novel pyrazoline derivatives
Salgin-Goksen, Umut; Yabanoglu-Ciftci, Samiye; Ercan, Ayse; Yelekçi, Kemal; Ucar, Gulberk; Gokhan-Kelekçi, Nesrin (SPRINGER WIEN, 2013)A series of 1-[2-((5-methyl/chloro)-2-benzoxazolinone-3-yl)acetyl]-35-diaryl-45-dihydro-1H-pyrazole derivatives were prepared by reacting 2-((5-methyl/chloro)-2-benzoxazolinone-3-yl)acetylhydrazine with appropriate chalcones. ... -
Examining the stability of binding modes of the co-crystallized inhibitors of human HDAC8 by molecular dynamics simulation
Uba, Abdullahi Ibrahim; Weako, Jackson; Keskin, Özlem; Gürsoy, Attila; Yelekçi, Kemal (Taylor & Francis Inc, 2019)Histone deacetylase (HDAC) 8 has been implicated as a potential therapeutic target in a variety of cancers neurodegenerative disorders metabolic dysregulation and autoimmune and inflammatory diseases. Several nonselective ... -
Flavonoids from Sideritis Species: Human Monoamine Oxidase (hMAO) Inhibitory Activities Molecular Docking Studies and Crystal Structure of Xanthomicrol
Türkmenoğlu, Fatma Pınar; Baysal, Ipek; Çiftçi-Yabanoğlu, Samiye; Yelekçi, Kemal; Temel, Hamdi; Paşa, Salih; Ezer, Nurten; Çalış, Ihsan; Uçar, Gülberk (MDPI, 2015)The inhibitory effects of flavonoids on monoamine oxidases (MAOs) have attracted great interest since alterations in monoaminergic transmission are reported to be related to neurodegenerative diseases such as Parkinson's ... -
Histone Deacetylase Inhibition Activity and Molecular Docking of (E )-Resveratrol: Its Therapeutic Potential in Spinal Muscular Atrophy
Dayangac-Erden, Didem; Bora, Gamze; Ayhan, Peruze; Kocaefe, Çetin; Dalkara, Sevim; Yelekçi, Kemal; Demir, Ayhan S.; Erdem-Yurter, Hayat (Wiley, 2009)Spinal muscular atrophy is an autosomal recessive motor neuron disease that is caused by mutation of the survival motor neuron gene (SMN1) but all patients retain a nearly identical copy SMN2. The disease severity correlates ... -
Homology modeling andin silicodesign of novel and potential dual-acting inhibitors of human histone deacetylases HDAC5 and HDAC9 isozymes
Elmezayen, Ammar D.; Yelekçi, Kemal (2020)Histone deacetylases (HDACs) are a group of enzymes that have prominent and crucial effect on various biological systems, mainly by their suppressive effect on transcription. Searching for inhibitors targeting their ... -
Homology modeling of human histone deacetylase 10 and design of potential selective inhibitors
Uba, Abdullahi Ibrahim; Yelekçi, Kemal (Taylor & Francis Inc, 2019)Histone deacetylases (HDACs) are implicated in the pathology of various cancers, and their pharmacological blockade has proven to be promising in reversing the malignant phenotypes. However, lack of crystal structures of ...