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3-AMINO-2-PIPERIDINEQUINOLINE A NOVEL NATURAL PRODUCT-INSPIRED SYNTHETIC COMPOUND WITH ANTIMALARIAL ACTIVITY

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Date Issued:
2014
Abstract/Description:
Malaria afflicts about 500 million people worldwide thus causing significant global economic toll. The drugs available to treat the disease are rapidly losing their efficacy because of widespread prevalence of drug resistant parasites. Thus there is an urgent need to discover novel malaria therapeutics. This research is focused on to study the properties of a novel natural-like synthetic scaffold and analyze its selectivity, and cellular mechanism of action in Plasmodium falciparum. We have identified a novel compound, 3-amino-2-piperidinequinoline (APQ), which we termed UCF401. APQ demonstrated IC50 at submicromolar concentrations against Plasmodium falciparum using the SYBR Green-I fluorescence assay measuring cellular proliferation. This compound also demonstrated low cytotoxicity against the NIH3T3 and HEPG2 cells using MTS assays, showing an IC50 of 174 uM and 125 uM respectively, suggesting of excellent selectivity. We evaluated the compliance of APQ with Lipinski's parameters and determined the in vitro physicochemical profiles of the compound. Our results show that APQ is a Lipinski parameter compliant and has good physicochemical properties. The cellular mechanism of action of APQ was characterized through the assessment of the effects of the compound at different stages of the parasite's intraerythrocytic life cycle. This assay was done by treating a synchronized cell line with the compound at 5X the IC50 value and then imaging the cells at 12-hour intervals. We found that APQ arrests parasite development at the trophozoite stage. In addition we determined that APQ is parasitocidal after a 96 h exposure. These results demonstrate that APQ can be considered as a validated hit and/or early lead.
Title: 3-AMINO-2-PIPERIDINEQUINOLINE A NOVEL NATURAL PRODUCT-INSPIRED SYNTHETIC COMPOUND WITH ANTIMALARIAL ACTIVITY.
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Name(s): Valor, Cristhian, Author
Chakrabarti, Debopam, Committee Chair
University of Central Florida, Degree Grantor
Type of Resource: text
Date Issued: 2014
Publisher: University of Central Florida
Language(s): English
Abstract/Description: Malaria afflicts about 500 million people worldwide thus causing significant global economic toll. The drugs available to treat the disease are rapidly losing their efficacy because of widespread prevalence of drug resistant parasites. Thus there is an urgent need to discover novel malaria therapeutics. This research is focused on to study the properties of a novel natural-like synthetic scaffold and analyze its selectivity, and cellular mechanism of action in Plasmodium falciparum. We have identified a novel compound, 3-amino-2-piperidinequinoline (APQ), which we termed UCF401. APQ demonstrated IC50 at submicromolar concentrations against Plasmodium falciparum using the SYBR Green-I fluorescence assay measuring cellular proliferation. This compound also demonstrated low cytotoxicity against the NIH3T3 and HEPG2 cells using MTS assays, showing an IC50 of 174 uM and 125 uM respectively, suggesting of excellent selectivity. We evaluated the compliance of APQ with Lipinski's parameters and determined the in vitro physicochemical profiles of the compound. Our results show that APQ is a Lipinski parameter compliant and has good physicochemical properties. The cellular mechanism of action of APQ was characterized through the assessment of the effects of the compound at different stages of the parasite's intraerythrocytic life cycle. This assay was done by treating a synchronized cell line with the compound at 5X the IC50 value and then imaging the cells at 12-hour intervals. We found that APQ arrests parasite development at the trophozoite stage. In addition we determined that APQ is parasitocidal after a 96 h exposure. These results demonstrate that APQ can be considered as a validated hit and/or early lead.
Identifier: CFH0004593 (IID), ucf:45233 (fedora)
Note(s): 2014-05-01
B.S.
Medicine, Dept. of Molecular Biology and Microbiology
Bachelors
This record was generated from author submitted information.
Subject(s): Malaria
APQ
Cristhian Valor
Antimalarial drug discovery
Persistent Link to This Record: http://purl.flvc.org/ucf/fd/CFH0004593
Restrictions on Access: campus 2019-04-01
Host Institution: UCF

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