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Dokmanović J, Kasagić-Vujanović I, Gagić Ž, Nikolić K, Čarapić M, Agbaba D. Design of experiments and Derringer's desirability function in optimisation and validation of RP-HPLC method for the analysis of enrofloxacin and its impurities. ACTA CHROMATOGR 2023. [DOI: 10.1556/1326.2022.01111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
AbstractUsing the Design of Experiments methodology (Response-Surface Methodology and Derringer's Desirability Function), a simple, fast and robust RP-HPLC method was developed for the analysis of enrofloxacin (EFC), its impurity A (fluoroquinolonic acid, FQ) and impurity B (ciprofloxacin, CPX). Gradient elution of samples was performed on a Zorbax Eclipse XDB C18 column (150 × 4.6 mm, 3.5 μm) with a mobile phase consisting of 32 mM phosphate buffer pH 3.5 – methanol (0 min-19.6% methanol; 15.5 min-19.6% methanol; 29.5 min-80% methanol; 30 min-19.6% methanol; 35 min-19.6% methanol), delivered at a flow rate of 1.5 mL min−1, wavelength of detection 278 nm (for EFX and CFX) and 265 nm for FQ. A good linear response was achieved in the range 15–35 μg mL−1 (EFX) and LOQ-150% for impurities (CFX and FQ). Other validation parameters were also tested: precision, accuracy, sensitivity and robustness. The developed method was shown to be simple, practical and suitable for the analysis of EFC and its impurities (CPX, FQ) in veterinary drugs.
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Affiliation(s)
| | - Irena Kasagić-Vujanović
- Department of Pharmacy, Faculty of Medicine, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
| | - Žarko Gagić
- Department of Pharmacy, Faculty of Medicine, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
| | | | - Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Danica Agbaba
- Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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2
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Obradović D, Pešić I, Čarapić M, Lazović S, Agbaba D. Analysis of scopolamine and its related substances by means of high-performance liquid chromatography. ACTA CHROMATOGR 2022. [DOI: 10.1556/1326.2022.01107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractThe retention behaviour of scopolamine (hyoscine) and its related compounds (norhyoscine, atropine, homatropine, and noratropine) was investigated on the silica-based HPLC stationary phase. The retention of investigated tropane alkaloids was interpreted by using the Soczewiński-Wachtmeister equation. A high correlation between the retention parameter (log k) and lipophilicity (log P) (R = 0.9923) confirms the significant influence of hydrophobic interactions on the retention behaviour of the aforementioned compounds. It was found that by increasing the acetonitrile fraction, a decrease in retention of the more polar epoxide derivatives (scopolamine, norhyoscine) and an increase in retention of the more lipophilic derivatives (atropine, noratropine, homatropine) is obtained. The best separation of the tropane alkaloids was achieved by a simple procedure that involved a mobile phase composed of acetonitrile and 40 mM ammonium acetate/0.05% TEA, pH 6.5; 50:50 v/v. Selected conditions were assumed for the determination of scopolamine hydrochloride in the eye drops (Scopolamini hydrobromidum 0.25%). The method was validated and it was found as selective, sensitive, precise, accurate, and robust for the further qualitative analysis of the scopolamine-related compounds.
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Affiliation(s)
- Darija Obradović
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
| | - Ivana Pešić
- Service for the Pharmaceutical Business and Supply, Clinical Center of Serbia, Pasterova 2, 11000 Belgrade, Serbia
| | - Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Vojvode Stepe 458, 11000 Belgrade, Serbia
| | - Saša Lazović
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
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3
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Čarapić M, Marković B, Pavlovic M, Agbaba D, Nikolic K. Comparative study of performances of UHPLC-MS/MS and HPLC/UV methods for analysis of ziprasidone and its main impurities. ACTA CHROMATOGR 2022. [DOI: 10.1556/1326.2022.01060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Ziprasidone is the second generation antipsychotic drug with unique multipotent G-protein-coupled (GPCR) receptor binding profile. Since ziprasidone is a highly lipophilic and unstable compound, development of efficient method for a concurrent assay of ziprasidone and its main impurities was a very challenging task.
The UHPLC-MS/MS method that we developed for simultaneous determination of ziprasidone and its main impurities (BITP, Chloroethyl-chloroindolinone, Zip-oxide, Zip-dimer, and Zip-BIT) was compared with some other related HPLC-UV methods of our own and other authorship. An increase of the mobile phase pH value from 2.5 to 4.7 units in the examined analytical methods influenced elution order of the investigated compounds. It was found out that the UHPLC-MS/MS method is more selective and sensitive than the earlier developed HPLC-UV method. Similar to our earlier HPLC-UV method, the UHPLC-MS/MS method is linear with a correlation coefficient (r) above 0.99 for all the analysed compounds, but with a negligibly lower precision and accuracy. Finally, with shorter analysis time, smaller column size and reduction of solvent consumption, UHPLC-MS/MS is assumed as a greener method than HPLC-UV for the ziprasidone purity assay.
After transfer of the UHPLC-MS/MS method to the UHPLC-DAD system, suitability of the UHPLC-DAD method for routine control of ziprasidone and its main impurities is examined and confirmed based on the retained good selectivity, resolution and short analysis time.
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Affiliation(s)
- Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Vojvode Stepe 458, 11000, Belgrade, Serbia
| | - Bojan Marković
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, PO Box 146,11000 Belgrade, Serbia
| | - Milena Pavlovic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, PO Box 146,11000 Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, PO Box 146,11000 Belgrade, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, PO Box 146,11000 Belgrade, Serbia
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Obradović D, Savić J, Joksimović J, Kowalska T, Agbaba D. Hydrophilic retention mechanism of imidazoline and serotonin receptor ligands in thin-layer and high-performance liquid chromatography systems. JPC-J PLANAR CHROMAT 2022. [DOI: 10.1007/s00764-022-00172-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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5
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Tomić J, Djajić N, Agbaba D, Otašević B, Malenović A, Protić A. Robust optimization of gradient RP HPLC method for simultaneous determination of ivabradine and its eleven related substances by AQbD approach. ACTA CHROMATOGR 2021. [DOI: 10.1556/1326.2021.00885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
This paper is aimed at developing a gradient elution reversed-phase high-performance liquid chromatography (RP-HPLC) method for the separation of a complex mixture composed of ivabradine and its eleven impurities, in a reasonable timeframe. In order to obtain a robust and reliable HPLC method for separation of this mixture, Analytical Quality by Design (AQbD) was applied. This approach demonstrated to be useful in development of a long lasting life cycle methods. Four chromatographic variables were defined as key method parameters (KMPs) and optimized towards the analytical target profile (ATP). Designated KMPs were initial and final amount of acetonitrile in the mobile phase, pH value of the aqueous phase and gradient time, while resolutions of critical peak pairs were denoted as critical method attributes (CMAs). Relationships between KMPs and CMAs were obtained with the aid of Design of Experiments (DoEs) methodology among which Box-Behnken design (BBD) was employed to gain valid mathematical models. Obtained mathematical equations were used to construct the Design Space (DS) and select reliable optimal separation conditions. They included 11% (v/v) and 34% (v/v) of initial and final amount of acetonitrile, respectively, as well as 45 min of gradient elution time and 20 mM ammonium acetate as aqueous mobile phase with pH set to 7.35. The possibility to separate the diastereoisomers of impurity X was also evaluated. It was demonstrated that this separation could not be achieved in gradient elution mode within the defined variable domains and in a reasonable time span. The developed method was validated according to ICH Q2 (R1) guideline and met all the required criteria.
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Affiliation(s)
- Jovana Tomić
- 1 Department of Pharmaceutical Chemistry, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 152, Belgrade, Serbia
| | - Nevena Djajić
- 2 Department of Drug Analysis, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Danica Agbaba
- 1 Department of Pharmaceutical Chemistry, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 152, Belgrade, Serbia
| | - Biljana Otašević
- 2 Department of Drug Analysis, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Andjelija Malenović
- 2 Department of Drug Analysis, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Ana Protić
- 2 Department of Drug Analysis, University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11 221 Belgrade, Serbia
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Obradović D, Kowalska T, Agbaba D. Mixed-Mode Hydrophilic Interactions/Reversed-Phase Retention Mechanism in Thin-Layer Chromatography. J Chromatogr Sci 2021; 60:372-386. [PMID: 34089050 DOI: 10.1093/chromsci/bmab068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 04/30/2021] [Accepted: 05/21/2021] [Indexed: 11/14/2022]
Abstract
We investigated the dual retention mechanism in thin-layer chromatography taking place on three stationary phases of different polarity (C-18, plain silica gel and DIOL) and using binary mobile phases composed of acetonitrile as the main component and water, or methanol as a modifier. As the test analytes, we selected a set of 12 compounds of pharmaceutical importance and considerably different chemical structure, i.e. the imidazoline and serotonin receptor ligands, and their related compounds. Retention of each analyte in each investigated chromatographic system was determined in a wide enough range of the mobile phase composition, with volume fraction of the mobile phase modifier ranging from 0.10 to 0.90. Calculation of the exact turning point values as a proof of occurrence of the reversed-phase hydrophilic interaction chromatography (HILIC/RP) retention mechanism was based on the multimodal retention model. The dual retention mode was described with the use of the volume fraction of the mobile phase modifier, the total polarity and the total solubility models. For the DIOL, C-18 and silica gel stationary phase, the dual (HILIC/RP) retention mechanism was confirmed. In the case of the DIOL stationary phase and acetonitrile/methanol mobile phase, the observed retention mechanism was more complicated than the dual HILIC/RP one.
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Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, University of Belgrade-Faculty of Pharmacy, Belgrade, Serbia
| | - Teresa Kowalska
- Institute of Chemistry, University of Silesia, Katowice, Poland
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, University of Belgrade-Faculty of Pharmacy, Belgrade, Serbia
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7
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Tomić J, Ivković B, Oljačić S, Nikolić K, Maljurić N, Protić A, Agbaba D. Chemometrically assisted RP-HPLC method development for efficient separation of ivabradine and its eleven impurities. ACTA CHROMATOGR 2020. [DOI: 10.1556/1326.2019.00659] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The aim of this study was to develop a novel reversed-phase high-performance liquid chromatography (RP-HPLC) method for efficient separation of ivabradine and its 11 impurities. Similar polarity of impurities in the sample mixture made method optimization challenging and accomplishable only when different chemometric tools, such as principal component analysis (PCA), Box–Behnken design (BBD), and desirability function as a multicriteria approach, were employed. The presence of 3 positional isomers (impurities III, V, and VI), keto–enol tautomerism of impurity VII, and diastereoisomers of impurity X made separation of this complex mixture even more challenging. Chromatographic retention parameters obtained with the mobile phase consisting of 30 mM phosphate buffer and acetonitrile (80:20, v/v) on four different RP-HPLC columns at varying pH values (3.0, 4.0, and 5.0) were subjected to the PCA analysis to select the column with the most appropriate selectivity. Then the column temperature, pH of the aqueous component of mobile phase, phosphate buffer molarity and the organic solvent content in the mobile phase were estimated employing BBD. Valid and reliable mathematical models towards resolution of twelve critical peak pairs were obtained. After determination of the desirability making criteria for all responses, desirability functions were established and used in optimization. The proposed optimal chromatographic conditions included the Zorbax Eclipse Plus C18 chromatographic column (100 × 4.6 mm, 3.5 μm), the column temperature of 34 °C, the mobile phase flow rate of 1.6 mL min−1 and the UV detection at 220 nm. The mobile phase consisted of the 28 mM phosphate buffer at pH 6.0 and acetonitrile (85:15, v/v). Separation of one pair of positional isomers was not achieved, so methanol was added to the organic part of mobile phase in small increments with the optimal ratio of methanol to acetonitrile 59:41, v/v. The overall organic component of the mobile phase also increased to 18%, accelerating the chromatographic analysis.
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Affiliation(s)
- Jovana Tomić
- 1 University of Belgrade Faculty of Pharmacy, Department of Pharmaceutical Chemistry Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Branka Ivković
- 1 University of Belgrade Faculty of Pharmacy, Department of Pharmaceutical Chemistry Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Slavica Oljačić
- 1 University of Belgrade Faculty of Pharmacy, Department of Pharmaceutical Chemistry Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Katarina Nikolić
- 1 University of Belgrade Faculty of Pharmacy, Department of Pharmaceutical Chemistry Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Nevena Maljurić
- 2 University of Belgrade, Faculty of Pharmacy, Department of Drug Analysis Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Ana Protić
- 2 University of Belgrade, Faculty of Pharmacy, Department of Drug Analysis Vojvode Stepe 450, 11 221 Belgrade, Serbia
| | - Danica Agbaba
- 1 University of Belgrade Faculty of Pharmacy, Department of Pharmaceutical Chemistry Vojvode Stepe 450, 11 221 Belgrade, Serbia
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Obradović D, Arsić A, Čarapić M, Agbaba D. Modeling of chromatographic retention of the selected antiarrhythmics and structurally related compounds in the hydrophilic interactions under the TLC and HPLC conditions. J LIQ CHROMATOGR R T 2020. [DOI: 10.1080/10826076.2020.1725551] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Anđela Arsić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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9
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Obradović D, Komsta Ł, Agbaba D. Novel computational approaches to retention modeling in dual hydrophilic interactions/reversed phase chromatography. J Chromatogr A 2020; 1619:460951. [PMID: 32085914 DOI: 10.1016/j.chroma.2020.460951] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/05/2020] [Accepted: 02/06/2020] [Indexed: 10/25/2022]
Abstract
The mixed-mode chromatographic behavior was estimated for imidazoline and serotonin receptor ligands, and their related compounds on dual hydrophilic/reversed phase stationary phase. The Box-Cox transformation was used to obtain the most suitable mathematical equations which describe the mixed-mode retention. Optimal equations were found for the optimization parameter (λ): λ = -1, λ = -0.5, λ = 0, λ = 0.5, and λ = 1. The proposed equations show satisfactory characteristics compared to standard multimodal and quadratic approaches. For a wide range of volume fractions of the mobile phase modifier, crossing between hydrophilic and reversed phase interactions (the turning point) was defined in terms of the minimal retention and the minimum value of the volume fraction of the aqueous eluent in the mobile phase. The cubic spline interpolation was used as a reference method for estimation of the turning point. It was found out that the newly proposed equations can be used as alternative mathematical forms for the description of the dual retention mechanism and for the evaluation of the turning point. Three new experimental descriptors of the mixed-mode retention were proposed. Two descriptors quantitatively characterize hydrophilic (log kH) and reversed phase (log kR) interactions, while the third one (log kA) refers to the average retention for the whole HILIC/RP range. It was established that the main factors which control dual nature of the mixed-mode retention are lipophilicity, dipol-dipol, van der Waals and hydrogen bonding interactions. It was concluded that the newly proposed estimations of the retention data reliably characterize the mixed-mode chromatographic behavior.
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Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450 11 000 Belgrade, Serbia.
| | - Łukasz Komsta
- Chair and Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4 20-090 Lublin, Poland
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450 11 000 Belgrade, Serbia
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Agbaba D, Miljkovic T, Marinkovic V, Zivanov-Stakic D, Vladimirov S. Quantitative Analysis of Sulpiride and Impurities of 2-Aminomethyl-1-Ethylpyrrolidine and Methyl-5-Sulphamoyl-2-Methoxybenzoate in Pharmaceuticals by High-Performance Thin-Layer Chromatography and Scanning Densitometry. J AOAC Int 2020. [DOI: 10.1093/jaoac/82.4.825] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A simple and reliable thin-layer chromatographic method for determining sulpiride and impurities of 2-aminomethyl-1-ethylpyrrolidine and methyl-5-sulphamoyl-2-methoxybenzoate was developed and validated. A methylene chloride–methanol–ammonia solution (25%; 18 + 2.8 + 0.4, v/v) solvent system is used for separation and quantitative evaluation of chromatograms. The chromatographic plate is first scanned at 240 nm to locate chromatographic zones corresponding to sulpiride and methyl-5-sulphamoyl-2-methoxybenzoate. Then 2-aminomethyl-1-ethylpyrrolidine is derivatized in situ with ninhydrin, and resulting colored spots are measured at 500 nm. The method is reproducible and convenient for quantitative analysis and purity control of sulpiride in its raw material and in its dosage forms.
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Affiliation(s)
- Danica Agbaba
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 146, 11000 Belgrade, Serbia, Yugoslavia
| | - Tatjana Miljkovic
- Zdravlje Pharmaceutical and Chemical Industry, Quality Control Sector, 16000 Leskovac, Serbia, Yugoslavia
| | - Valentina Marinkovic
- Zdravlje Pharmaceutical and Chemical Industry, Quality Control Sector, 16000 Leskovac, Serbia, Yugoslavia
| | - Dobrila Zivanov-Stakic
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 146, 11000 Belgrade, Serbia, Yugoslavia
| | - Sote Vladimirov
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 146, 11000 Belgrade, Serbia, Yugoslavia
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Pavlovic M, Malesevic M, Nikolic K, Agbaba D. Development and Validation of an HPLC Method for Determination of Ziprasidone and Its Impurities in Pharmaceutical Dosage Forms. J AOAC Int 2019. [DOI: 10.1093/jaoac/94.3.713] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Ziprasidone is known as a novel “atypical” or “second-generation” antipsychotic drug. A sensitive and reproducible method was developed and validated for determination of ziprasidone and its major impurities, which are significantly different in polarity. The separation is performed on a Waters Spherisorb® octadecylsilyl 1 column (5.0 μm particle size, 250 × 4.6 mm id) using a gradient with mobile phase A [buffer–acetonitrile (80 + 20, v/v)] and mobile phase B [buffer–acetonitrile (10 + 90, v/v)] at a working temperature of 25°C. The buffer was 0.05 M KH2PO4 solution with an addition of 10 mL triethylamine/L solution, adjusted to pH 2.5 with orthophosphoric acid. The flow rate was 1.5 mL/min, and the eluate was monitored at 250 nm using a diode array detector. Optimization of the experimental conditions was performed using partial least squares regression, for which four factors were selected for optimization: buffer concentration, buffer pH, triethylamine concentration, and temperature. The proposed validated method is convenient and reliable for the assay and purity control in both raw materials and dosage forms.
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Affiliation(s)
- Marija Pavlovic
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Marija Malesevic
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Katarina Nikolic
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia
| | - Danica Agbaba
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia
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Letica J, Marković S, Zirojević J, Nikolić K, Agbaba D. High-Performance Liquid Chromatographic Determination of Pantoprazole and Its Main Impurities in Pharmaceuticals. J AOAC Int 2019. [DOI: 10.1093/jaoac/93.4.1121] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
An RP-HPLC method for simultaneous separation and quantification of pantoprazole and its five main impurities in pharmaceutical formulations was developed and validated. The separation was accomplished on a Zorbax Eclipse XDB C18 column (5 m particle size, 150 4.6 mm id) using a gradient with mobile phase A [bufferacetonitrile (70 + 30, v/v)], and mobile phase B [bufferacetonitrile (30 + 70, v/v)]. The buffer was 0.01 M ammonium acetate solution with addition of 1 mL triethylamine/L of the solution, adjusted to pH 4.5 with orthophosphoric acid. The eluent flow rate was 1 mL/min, the temperature of the column was 30C, and the eluate was monitored at 290 nm. Linearity (r = 0.999), recovery (97.6105.8), RSD (0.551.90), and LOQ (0.0991.48 g/mL) were evaluated and found to be satisfactory. The proposed method can be used for simultaneous identification and quantification of the analyzed compounds in pharmaceutical formulations.
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Affiliation(s)
- Jelena Letica
- Medicinal and Medical Devices Agency Serbia, Belgrade, Serbia
| | - Slavko Marković
- Medicinal and Medical Devices Agency Serbia, Belgrade, Serbia
| | | | - Katarina Nikolić
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia
| | - Danica Agbaba
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia
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Mielji B, Popovi G, Agbaba D, Markovi S, Simonovska B, Vovk I. Column High-Performance Liquid Chromatographic Determination of Norfloxacin and Its Main Impurities in Pharmaceuticals. J AOAC Int 2019. [DOI: 10.1093/jaoac/91.2.332] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A gradient reversed-phase column high-performance liquid chromatographic method was developed for the detection and quantification of norfloxacin and its major impurities in norfloxacin-containing pharmaceuticals. Chromatographic separations were performed under the following experimental conditions: column, Zorbax SB RP-18 (5 m, 250 4.6 mm); injection volume, 20 L; mobile phase, 0.05 M NaH2PO4 (pH 2.5)acetonitrile (87 + 13) for 16 min and (58 + 42) for 9 min (stepwise gradient); and flow rate, 1.3 mL/min. All analyses were performed at 25C, and the eluate was monitored at 275 nm using a diode array detector. Linearity (correlation coefficient = 0.999), recovery (99.3101.8), relative standard deviation (0.20.7), and quantitation limit (0.120.47 g/mL) were evaluated and found to be satisfactory. The method is simple, rapid, and convenient for purity control of norfloxacin in both raw materials and dosage forms.
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Affiliation(s)
- Branislava Mielji
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry and Drug Analysis, Vojvode Stepe 450, P.O.B. 146, 11000 Belgrade, Serbia
| | - Gordana Popovi
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry and Drug Analysis, Vojvode Stepe 450, P.O.B. 146, 11000 Belgrade, Serbia
| | - Danica Agbaba
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry and Drug Analysis, Vojvode Stepe 450, P.O.B. 146, 11000 Belgrade, Serbia
| | - Slavko Markovi
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry and Drug Analysis, Vojvode Stepe 450, P.O.B. 146, 11000 Belgrade, Serbia
| | - Breda Simonovska
- Medicinal and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Irena Vovk
- National Institute of Chemistry, Laboratory for Food Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
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Čakar M, Popović G, Agbaba D. High-Performance Thin-Layer Chromatography Determination of Some Antimycotic Imidazole Derivatives and Preservatives in Medicinal Creams and a Gel. J AOAC Int 2019. [DOI: 10.1093/jaoac/88.5.1544] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Simple and reliable thin-layer chromatography-densitometry methods for determination of antimycotics (bifonazole, clotrimazole, and miconazole) and preservatives (benzyl alcohol and benzoic acid) were developed. The pairs bifonazole/benzyl alcohol, clotrimazole/benzyl alcohol, and miconazole/benzoic acid were determined simultaneously. The following mobile phases were used: ethyl acetate–n-heptane–methanol–diethylamine (3 + 4.5 + 1 + 0.2, v/v/v/v) for bifonazole and benzyl alcohol; n-butyl acetate–n-heptane–methanol–dietylamine (3 + 4.5 + 1 + 0.2, v/v/v/v) for clotrimazole and benzyl alcohol; and n-butyl acetate–carbon tetrachloride–methanol–diethylamine (3 + 6 + 2.5 + 0.5, v/v/v/v) for miconazole and benzoic acid. The chromatographic zones on silica gel plates were scanned in the reflectance/absorbance mode at 230 nm (bifonazole, benzyl alcohol, miconazole, and benzoic acid) and 210 nm (clotrimazole and benzyl alcohol). The recovery for all substances ranged from 98.7 to 100.7%. The limits of detection and quantitation were 0.03 to 0.2 μg and 0.1 to 0.5 μg/spot, respectively. The proposed methods were applied for determination of antimycotics and preservatives in commercially available pharmaceuticals.
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Affiliation(s)
- Mira Čakar
- University of Belgrade, Faculty of Pharmacy, Department of General and Inorganic Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia and Montenegro
| | - Gordana Popović
- University of Belgrade, Faculty of Pharmacy, Department of General and Inorganic Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia and Montenegro
| | - Danica Agbaba
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Vojvode Stepe 450, PO Box 146, 11000 Belgrade, Serbia and Montenegro
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15
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Obradović D, Stavrianidi AN, Ustinovich KB, Parenago OO, Shpigun OA, Agbaba D. The comparison of retention behaviour of imidazoline and serotonin receptor ligands in non-aqueous hydrophilic interaction chromatography and supercritical fluid chromatography. J Chromatogr A 2019; 1603:371-379. [DOI: 10.1016/j.chroma.2019.04.054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 11/16/2022]
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16
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Radulović V, Aleksić M, Kapetanović V, Rajić KK, Jovanović M, Marjanović I, Stojković M, Agbaba D. The evaluation of short- and long-term stability studies for brimonidine in aqueous humor by DPV/BDDE method-possible application for direct assay in native samples. Anal Bioanal Chem 2019; 411:5755-5763. [PMID: 31201462 DOI: 10.1007/s00216-019-01955-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 11/24/2022]
Abstract
A novel voltammetric method was developed for brimonidine (BRIM) determination in deproteinized aqueous humor, simplifying preparation of biological samples for analysis for stability studies. The differential pulse voltammetric (DPV) method using boron doped diamond electrode (BDDE), based on characteristic oxidation peaks, was proposed and successfully applied. The linearity range was within 5.0 × 10-6 to 5.0 × 10-5 M of brimonidine, and limit of detection and limit of quantitation were 1.94 × 10-6 M and 6.46 × 10-6 M, respectively. Intra-day and inter-day precision and accuracy were evaluated and all results were in accordance with validation ICH guidelines. The best short-term stability study results were obtained for a concentration level of 3.0 × 10-5 M expressed by deviation of + 1.86% between initial and post storage concentrations. A long-term stability study was performed for two concentrations of 3.0 × 10-5 M and 5.0 × 10-5 M and resulted in deviations of + 1.63% and + 3.56%, respectively. A freeze and thaw stability study indicated that samples might be frozen only once. The enhancement of DPV/BDDE method sensitivity gained by modification, for the analysis of immeasurable BRIM quantities in native, untreated aqueous humor, was reached for quantities of 6 or 12 nmol/0.1 mL aqueous humor with acceptable accuracy (up to + 7.5%). The nature of the process-the irreversible one electron oxidation voltammetric peak of BRIM-limited the sensitivity. Only electrochemical pre-treatment of the BDD electrode before each measurement significantly speeded up the whole procedure. The advantages of the proposed method are simplicity, short-time performance, and good specificity/selectivity, as well as satisfactory accuracy, and no chemical modification of BDDE was necessary.
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Affiliation(s)
- Valentina Radulović
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, 11000, Serbia.
| | - Mara Aleksić
- Department of Physical Chemistry and Instrumental Methods, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, 11000, Serbia
| | - Vera Kapetanović
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, 11000, Serbia
| | - Katarina Karljiković Rajić
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, 11000, Serbia
| | - Miloš Jovanović
- Department of Ophthalmology, Faculty of Medicine, University of Belgrade, Dr Subotića 2, Belgrade, 11000, Serbia
| | - Ivan Marjanović
- Department of Ophthalmology, Faculty of Medicine, University of Belgrade, Dr Subotića 2, Belgrade, 11000, Serbia
| | - Milenko Stojković
- Department of Ophthalmology, Faculty of Medicine, University of Belgrade, Dr Subotića 2, Belgrade, 11000, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, 11000, Serbia
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17
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Bouchet S, Linot C, Ruzic D, Agbaba D, Fouchaq B, Roche J, Nikolic K, Blanquart C, Bertrand P. Extending Cross Metathesis To Identify Selective HDAC Inhibitors: Synthesis, Biological Activities, and Modeling. ACS Med Chem Lett 2019; 10:863-868. [PMID: 31223439 DOI: 10.1021/acsmedchemlett.8b00440] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 05/09/2019] [Indexed: 12/31/2022] Open
Abstract
Dissymmetric cross metathesis of alkenes as a convergent and general synthetic strategy allowed for the preparation of a new small series of human histone deacetylases (HDAC) inhibitors. Alkenes bearing Boc-protected hydroxamic acid and benzamide and trityl-protected thiols were used to provide the zinc binding groups and were reacted with alkenes bearing aromatic cap groups. One compound was identified as a selective HDAC6 inhibitor lead. Additional biological evaluation in cancer cell lines demonstrated its ability to stimulate the expression of the epithelial marker E-cadherin and tumor suppressor genes like SEMA3F and p21, suggesting a potential use of this compound for lung cancer treatment. Molecular docking on all 11 HDAC isoforms was used to rationalize the observed biological results.
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Affiliation(s)
- Samuel Bouchet
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, 4 rue Michel Brunet, TSA 51106, B28, 86073 Poitiers cedex 09, France
| | - Camille Linot
- CRCINA, INSERM, Université d’Angers, Université de Nantes, Nantes, France
| | - Dusan Ruzic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Benoit Fouchaq
- Eurofins-Cerep, Le Bois l’Evêque, 86600 Celle-L’Evescault, France
- Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Joëlle Roche
- Réseau Epigénétique du Cancéropôle Grand Ouest, France
- Laboratoire EBI, University of Poitiers, UMR CNRS 7267, F-86073 Poitiers, France
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Christophe Blanquart
- CRCINA, INSERM, Université d’Angers, Université de Nantes, Nantes, France
- Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Philippe Bertrand
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, 4 rue Michel Brunet, TSA 51106, B28, 86073 Poitiers cedex 09, France
- Réseau Epigénétique du Cancéropôle Grand Ouest, France
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18
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Obradović D, Jovanović D, Pešić S, Tomić J, Oljačić S, Nikolić K, Agbaba D. Analysis of the retention behavior of selected antiarrhythmics by means of thin-layer chromatography. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1585613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Dušan Jovanović
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Sunčica Pešić
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Jovana Tomić
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Slavica Oljačić
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, University of Belgrade - Faculty of Pharmacy, Belgrade, Serbia
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19
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Čarapić M, Nikolic K, Marković B, Petković M, Pavlovic M, Agbaba D. Ultra-performance liquid chromatography tandem mass spectrometry for the rapid, simultaneous analysis of ziprasidone and its impurities. Biomed Chromatogr 2019; 33:e4384. [PMID: 30215855 DOI: 10.1002/bmc.4384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/27/2018] [Accepted: 09/07/2018] [Indexed: 11/06/2022]
Abstract
The separation and characterization of the unknown degradation product of second-generation antipsychotic drug ziprasidone are essential for defining the genotoxic potential of the compound. The aim of this study was to develop a simple UHPLC method coupled with tandem mass spectrometry (MS/MS) for chemical characterization of an unknown degradant, and the separation and quantification of ziprasidone and its five main impurities (I-V) in the raw material and pharmaceuticals. Chromatographic conditions were optimized by experimental design. The MS/MS fragmentation conditions were optimized individually for each compound in order to obtain both specific fragments and high signal intensity. A rapid and sensitive UHPLC-MS/MS method was developed. All seven analytes were eluted within the 7 min run time. The best separation was obtained on the Acquity UPLC BEH C18 (50 × 2.1 mm × 1.7 μm) column in gradient mode with ammonium-formate buffer (10 mm; pH 4.7) and acetonitrile as mobile phase, with the flow rate of 0.3 mL min-1 and at the column temperature of 30°C. The new UHPLC-MS/MS method was fully validated and all validation parameters were confirmed. The fragmentation pathways and chemical characterization of an unknown degradant were proposed and it was confirmed that there are no structural alerts concerning genotoxicity.
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Affiliation(s)
- Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Bojan Marković
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Miloš Petković
- Department of Organic Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Milena Pavlovic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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20
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Ruzic D, Petkovic M, Agbaba D, Ganesan A, Nikolic K. Combined Ligand and Fragment‐based Drug Design of Selective Histone Deacetylase – 6 Inhibitors. Mol Inform 2019; 38:e1800083. [DOI: 10.1002/minf.201800083] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 12/08/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Dusan Ruzic
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - Milos Petkovic
- Department of Organic Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - A. Ganesan
- School of PharmacyUniversity of East Anglia Norwich Research Park NR4 7TJ Norwich United Kingdom
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
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21
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Obradović D, Oljačić S, Nikolić K, Agbaba D. Investigation and prediction of retention characteristics of imidazoline and serotonin receptor ligands and their related compounds on mixed-mode stationary phase. J Chromatogr A 2019; 1585:92-104. [DOI: 10.1016/j.chroma.2018.11.051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 11/20/2018] [Accepted: 11/20/2018] [Indexed: 12/17/2022]
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22
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Jovanović M, Nikolić K, Gagić Ž, Agbaba D. Molecular modeling and analysis of the 3D pharmacophore structure of the selective PI3K-α inhibitors as antitumor agents. Arhiv za farmaciju 2018. [DOI: 10.5937/arhfarm1804860j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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23
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Mucaji P, Atanasov AG, Bak A, Kozik V, Sieron K, Olsen M, Pan W, Liu Y, Hu S, Lan J, Haider N, Musiol R, Vanco J, Diederich M, Ji S, Zitko J, Wang D, Agbaba D, Nikolic K, Oljacic S, Vucicevic J, Jezova D, Tsantili-Kakoulidou A, Tsopelas F, Giaginis C, Kowalska T, Sajewicz M, Silberring J, Mielczarek P, Smoluch M, Jendrzejewska I, Polanski J, Jampilek J. The Forty-Sixth Euro Congress on Drug Synthesis and Analysis: Snapshot †. Molecules 2017; 22:molecules22111848. [PMID: 29143778 PMCID: PMC6150335 DOI: 10.3390/molecules22111848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 10/26/2017] [Accepted: 10/26/2017] [Indexed: 01/08/2023] Open
Abstract
The 46th EuroCongress on Drug Synthesis and Analysis (ECDSA-2017) was arranged within the celebration of the 65th Anniversary of the Faculty of Pharmacy at Comenius University in Bratislava, Slovakia from 5-8 September 2017 to get together specialists in medicinal chemistry, organic synthesis, pharmaceutical analysis, screening of bioactive compounds, pharmacology and drug formulations; promote the exchange of scientific results, methods and ideas; and encourage cooperation between researchers from all over the world. The topic of the conference, "Drug Synthesis and Analysis," meant that the symposium welcomed all pharmacists and/or researchers (chemists, analysts, biologists) and students interested in scientific work dealing with investigations of biologically active compounds as potential drugs. The authors of this manuscript were plenary speakers and other participants of the symposium and members of their research teams. The following summary highlights the major points/topics of the meeting.
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Affiliation(s)
- Pavel Mucaji
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University, Odbojarov 10, 83232 Bratislava, Slovakia.
| | - Atanas G Atanasov
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Postepu 36A, 05-552 Jastrzebiec, Poland.
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
| | - Andrzej Bak
- Institute of Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Violetta Kozik
- Department of Synthesis Chemistry, Faculty of Mathematics, Physics and Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Karolina Sieron
- Department of Physical Medicine, Medical University of Silesia, Medykow 18, 40752 Katowice, Poland.
| | - Mark Olsen
- Department of Pharmaceutical Sciences, College of Pharmacy Glendale, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Weidong Pan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, 3491 Baijin Road, Guiyang 550014, China.
- Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, 3491 Baijin Road, Guiyang, 550014, China.
| | - Yazhou Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, 3491 Baijin Road, Guiyang 550014, China.
- Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, 3491 Baijin Road, Guiyang, 550014, China.
| | - Shengchao Hu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, 3491 Baijin Road, Guiyang 550014, China.
- Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, 3491 Baijin Road, Guiyang, 550014, China.
| | - Junjie Lan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, 3491 Baijin Road, Guiyang 550014, China.
- Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, 3491 Baijin Road, Guiyang, 550014, China.
| | - Norbert Haider
- Department of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria.
| | - Robert Musiol
- Institute of Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Jan Vanco
- Department of Inorganic Chemistry & Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, 17. listopadu 12, 77146 Olomouc, Czech Republic.
| | - Marc Diederich
- Department of Pharmacy, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Seoul 08826, Korea.
| | - Seungwon Ji
- Department of Pharmacy, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Seoul 08826, Korea.
| | - Jan Zitko
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University, Heyrovskeho 1203, 50005 Hradec Kralove, Czech Republic.
| | - Dongdong Wang
- Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Postepu 36A, 05-552 Jastrzebiec, Poland.
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Slavica Oljacic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Jelica Vucicevic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Daniela Jezova
- Laboratory of Pharmacological Neuroendocrinology, Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, Dubravska cesta 9, 84505 Bratislava, Slovakia.
| | - Anna Tsantili-Kakoulidou
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou, 15771 Athens, Greece.
| | - Fotios Tsopelas
- Laboratory of Inorganic and Analytical Chemistry, School of Chemical Engineering, National Technical University of Athens, Iroon Polytechniou 9, 15780 Athens, Greece.
| | - Constantinos Giaginis
- Department of Food Science and Nutrition, School of Environment, University of the Aegean, 81400 Myrina, Lemnos, Greece.
| | - Teresa Kowalska
- Institute of Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Mieczyslaw Sajewicz
- Institute of Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Jerzy Silberring
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30, 30059 Krakow, Poland.
| | - Przemyslaw Mielczarek
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30, 30059 Krakow, Poland.
| | - Marek Smoluch
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30, 30059 Krakow, Poland.
| | - Izabela Jendrzejewska
- Department of Crystallography, Faculty of Mathematics, Physics and Chemistry, University of Silesia, Bankowa 12, 40006 Katowice, Poland.
| | - Jaroslaw Polanski
- Institute of Chemistry, University of Silesia, Szkolna 9, 40007 Katowice, Poland.
| | - Josef Jampilek
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Comenius University, Odbojarov 10, 83232 Bratislava, Slovakia.
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Oljačić S, Arsić A, Obradović D, Nikolić K, Agbaba D. Analysis of the retention behavior of selected antipsychotics and their impurities by thin-layer chromatography. JPC-J PLANAR CHROMAT 2017. [DOI: 10.1556/1006.2017.30.5.2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Slavica Oljačić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Andjela Arsić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
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25
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Oluić J, Nikolic K, Vucicevic J, Gagic Z, Filipic S, Agbaba D. 3D-QSAR, Virtual Screening, Docking and Design of Dual PI3K/mTOR Inhibitors with Enhanced Antiproliferative Activity. Comb Chem High Throughput Screen 2017; 20:292-303. [DOI: 10.2174/1386207320666170427143858] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 03/17/2017] [Accepted: 04/18/2017] [Indexed: 11/22/2022]
Affiliation(s)
- Jelena Oluić
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Katarina Nikolic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Jelica Vucicevic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Zarko Gagic
- Department of Pharmacy, Faculty of Medicine, Save Mrkalja 14, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
| | - Slavica Filipic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Danica Agbaba
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
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26
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Obradović D, Oljačić S, Nikolić K, Agbaba D. Influence of selected mobile phase properties on the TLC retention behavior of ziprasidone and its impurities. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2017.1298026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Slavica Oljačić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Ismaili L, Refouvelet B, Benchekroun M, Brogi S, Brindisi M, Gemma S, Campiani G, Filipic S, Agbaba D, Esteban G, Unzeta M, Nikolic K, Butini S, Marco-Contelles J. Multitarget compounds bearing tacrine- and donepezil-like structural and functional motifs for the potential treatment of Alzheimer's disease. Prog Neurobiol 2017; 151:4-34. [DOI: 10.1016/j.pneurobio.2015.12.003] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 11/11/2015] [Accepted: 12/11/2015] [Indexed: 01/16/2023]
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Vucicevic J, Popovic M, Nikolic K, Filipic S, Obradovic D, Agbaba D. Use of biopartitioning micellar chromatography and RP-HPLC for the determination of blood-brain barrier penetration of α-adrenergic/imidazoline receptor ligands, and QSPR analysis. SAR QSAR Environ Res 2017; 28:235-252. [PMID: 28332439 DOI: 10.1080/1062936x.2017.1302506] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 02/28/2017] [Indexed: 06/06/2023]
Abstract
For this study, 31 compounds, including 16 imidazoline/α-adrenergic receptor (IRs/α-ARs) ligands and 15 central nervous system (CNS) drugs, were characterized in terms of the retention factors (k) obtained using biopartitioning micellar and classical reversed phase chromatography (log kBMC and log kwRP, respectively). Based on the retention factor (log kwRP) and slope of the linear curve (S) the isocratic parameter (φ0) was calculated. Obtained retention factors were correlated with experimental log BB values for the group of examined compounds. High correlations were obtained between logarithm of biopartitioning micellar chromatography (BMC) retention factor and effective permeability (r(log kBMC/log BB): 0.77), while for RP-HPLC system the correlations were lower (r(log kwRP/log BB): 0.58; r(S/log BB): -0.50; r(φ0/Pe): 0.61). Based on the log kBMC retention data and calculated molecular parameters of the examined compounds, quantitative structure-permeability relationship (QSPR) models were developed using partial least squares, stepwise multiple linear regression, support vector machine and artificial neural network methodologies. A high degree of structural diversity of the analysed IRs/α-ARs ligands and CNS drugs provides wide applicability domain of the QSPR models for estimation of blood-brain barrier penetration of the related compounds.
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Affiliation(s)
- J Vucicevic
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
| | - M Popovic
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
| | - K Nikolic
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
| | - S Filipic
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
| | - D Obradovic
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
| | - D Agbaba
- a Department of Pharmaceutical Chemistry, Faculty of Pharmacy , University of Belgrade , Belgrade , Serbia
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Antonijević M, Nikolić K, Vučićević J, Oljačić S, Agbaba D. 3D-QSAR modeling and pharmacophore study of serotonin 5HT-₂A receptors antagonists. Arhiv za farmaciju 2017. [DOI: 10.5937/arhfarm1704233a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Radan M, Nikolić K, Vučićević J, Oljačić S, Agbaba D. 3D-QSAR study and development of pharmacophore for serotonin 5-HT2A receptors agonists. Arhiv za farmaciju 2017. [DOI: 10.5937/arhfarm1703165r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Filipic S, Elek M, Popović M, Nikolic K, Agbaba D. Development of Hydrophilic Interaction Liquid Chromatography Method for the Analysis of Moxonidine and Its Impurities. J Anal Methods Chem 2016; 2016:3715972. [PMID: 27847672 PMCID: PMC5101389 DOI: 10.1155/2016/3715972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 10/04/2016] [Indexed: 06/06/2023]
Abstract
Fast and simple hydrophilic interaction liquid chromatography (HILIC) method was developed and validated for the analysis of moxonidine and its four impurities (A, B, C, and D) in pharmaceutical dosage form. All experiments were performed on the Agilent Technologies 1200 high-performance liquid chromatography (HPLC) system using Zorbax RX-SIL, 250 mm × 4.6 mm, 5 μm column as stationary phase (T = 25°C, F = 1 mL/min, and λ = 255 nm), and mixture of acetonitrile and 40 mM ammonium formate buffer (pH 2.8) 80 : 20 (v/v) as mobile phase. Under the optimal chromatographic conditions, selected by central composite design, separation and analysis of moxonidine and its four impurities are enabled within 12 minutes. Validation of the method was conducted in accordance with ICH guidelines. Based on the obtained results selectivity, linearity (r ≥ 0.9976), accuracy (recovery: 93.66%-114.08%), precision (RSD: 0.56%-2.55%), and robustness of the method were confirmed. The obtained values of the limit of detection and quantification revealed that the method can be used for determination of impurities levels below 0.1%. Validated method was applied for determination of moxonidine and its impurities in commercially available tablet formulation. Obtained results confirmed that validated method is fast, simple, and reliable for analysis of moxonidine and its impurities in tablets.
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Affiliation(s)
- Slavica Filipic
- Department of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Milica Elek
- Department of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Marija Popović
- Department of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, Belgrade, Serbia
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Grujić M, Popović M, Popović G, Nikolic K, Agbaba D. Protolytic Equilibria of Sartans in Micellar Solutions of Differently Charged Surfactants. J Pharm Sci 2016; 105:2444-52. [DOI: 10.1016/j.xphs.2016.06.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/20/2016] [Accepted: 06/07/2016] [Indexed: 11/27/2022]
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Filipic S, Ruzic D, Vucicevic J, Nikolic K, Agbaba D. Quantitative structure-retention relationship of selected imidazoline derivatives on α1-acid glycoprotein column. J Pharm Biomed Anal 2016; 127:101-11. [DOI: 10.1016/j.jpba.2016.02.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 02/18/2016] [Accepted: 02/28/2016] [Indexed: 10/22/2022]
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Obradović D, Filipic S, Nikolic K, Agbaba D. Optimization of the thin-layer chromatography method for the separation of ziprasidone and its impurities. JPC-J PLANAR CHROMAT 2016. [DOI: 10.1556/1006.2016.29.4.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Filipic S, Antic A, Vujovic M, Nikolic K, Agbaba D. A Comparative Study of Chromatographic Behavior and Lipophilicity of Selected Imidazoline Derivatives. J Chromatogr Sci 2016; 54:1137-45. [PMID: 27406126 DOI: 10.1093/chromsci/bmw081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Indexed: 11/14/2022]
Abstract
Chromatographic behavior and lipophilicity of 20 selected imidazoline derivatives were examined by thin-layer chromatography using CN, RP-2, RP-8 and RP-18 as the stationary phases and a mixture of methanol, water and ammonia as the mobile phase. In all examined chromatographic systems, linear relationships were established between retention parameters and the volume fraction of methanol in the mobile phase (r > 0.985, 0.978, 0.981, 0.988 for the CN, RP-2, RP-8 and RP-18, respectively). The highest correlation between the obtained [Formula: see text] values was observed for RP-2 and RP-8 stationary phases. The experimental lipophilicity indices ([Formula: see text], m and C0) obtained from the retention data were used in correlation study with the calculated logP values. Experimentally determined [Formula: see text] values for all investigated chromatographic systems exhibited the highest correlation with the calculated ClogP values (r: 0.880, 0.872, 0.897 and 0.889 for the CN, RP-2, RP-8 and RP-18 stationary phases, respectively). In addition, principal component analysis enables new information about similarity and differences between tested compounds as well as experimental lipophilicity indices and calculated logP values. Performed QSRR analysis showed that the frequency of C-C at topological distance 1 and CATS2D Lipophilic-Lipophilic at lag 01 were important descriptors with influence on the [Formula: see text] values in all the examined chromatographic systems, while the differences in the retention behavior of compounds on the examined stationary phases can be distinguished based on their specific geometrical, electronic and constitutional properties.
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Affiliation(s)
- Slavica Filipic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Aleksandra Antic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Milena Vujovic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
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Nikolic K, Mavridis L, Djikic T, Vucicevic J, Agbaba D, Yelekci K, Mitchell JBO. Drug Design for CNS Diseases: Polypharmacological Profiling of Compounds Using Cheminformatic, 3D-QSAR and Virtual Screening Methodologies. Front Neurosci 2016; 10:265. [PMID: 27375423 PMCID: PMC4901078 DOI: 10.3389/fnins.2016.00265] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 05/25/2016] [Indexed: 11/13/2022] Open
Abstract
HIGHLIGHTSMany CNS targets are being explored for multi-target drug design New databases and cheminformatic methods enable prediction of primary pharmaceutical target and off-targets of compounds QSAR, virtual screening and docking methods increase the potential of rational drug design
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 improved treatment of complex brain diseases. Understanding how the neurotransmitter systems interact is also important in optimizing therapeutic strategies. Pharmacological intervention on one target will often influence another one, such as the well-established serotonin-dopamine interaction or the dopamine-glutamate interaction. It is now accepted that drug action can involve plural targets and that polypharmacological interaction with multiple targets, to address disease in more subtle and effective ways, is a key concept for development of novel drug candidates against complex CNS diseases. A multi-target therapeutic strategy for Alzheimer‘s disease resulted in the development of very effective Multi-Target Designed Ligands (MTDL) that act on both the cholinergic and monoaminergic systems, and also retard the progression of neurodegeneration by inhibiting amyloid aggregation. Many compounds already in databases have been investigated as ligands for multiple targets in drug-discovery programs. A probabilistic method, the Parzen-Rosenblatt Window approach, was used to build a “predictor” model using data collected from the ChEMBL database. The model can be used to predict both the primary pharmaceutical target and off-targets of a compound based on its structure. Several multi-target ligands were selected for further study, as compounds with possible additional beneficial pharmacological activities. Based on all these findings, it is concluded that multipotent ligands targeting AChE/MAO-A/MAO-B and also D1-R/D2-R/5-HT2A-R/H3-R are promising novel drug candidates with improved efficacy and beneficial neuroleptic and procognitive activities in treatment of Alzheimer's and related neurodegenerative diseases. Structural information for drug targets permits docking and virtual screening and exploration of the molecular determinants of binding, hence facilitating the design of multi-targeted drugs. The crystal structures and models of enzymes of the monoaminergic and cholinergic systems have been used to investigate the structural origins of target selectivity and to identify molecular determinants, in order to design MTDLs.
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Affiliation(s)
- Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade Belgrade, Serbia
| | - Lazaros Mavridis
- School of Biological and Chemical Sciences, Queen Mary University of London London, UK
| | - Teodora Djikic
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University Istanbul, Turkey
| | - Jelica Vucicevic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade Belgrade, Serbia
| | - Kemal Yelekci
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University Istanbul, Turkey
| | - John B O Mitchell
- EaStCHEM School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews St Andrews, UK
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Vucicevic J, Srdic-Rajic T, Pieroni M, Laurila JMM, Perovic V, Tassini S, Azzali E, Costantino G, Glisic S, Agbaba D, Scheinin M, Nikolic K, Radi M, Veljkovic N. A combined ligand- and structure-based approach for the identification of rilmenidine-derived compounds which synergize the antitumor effects of doxorubicin. Bioorg Med Chem 2016; 24:3174-83. [PMID: 27265687 DOI: 10.1016/j.bmc.2016.05.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Revised: 05/17/2016] [Accepted: 05/20/2016] [Indexed: 10/21/2022]
Abstract
The clonidine-like central antihypertensive agent rilmenidine, which has high affinity for I1-type imidazoline receptors (I1-IR) was recently found to have cytotoxic effects on cultured cancer cell lines. However, due to its pharmacological effects resulting also from α2-adrenoceptor activation, rilmenidine cannot be considered a suitable anticancer drug candidate. Here, we report the identification of novel rilmenidine-derived compounds with anticancer potential and devoid of α2-adrenoceptor effects by means of ligand- and structure-based drug design approaches. Starting from a large virtual library, eleven compounds were selected, synthesized and submitted to biological evaluation. The most active compound 5 exhibited a cytotoxic profile similar to that of rilmenidine, but without appreciable affinity to α2-adrenoceptors. In addition, compound 5 significantly enhanced the apoptotic response to doxorubicin, and may thus represent an important tool for the development of better adjuvant chemotherapeutic strategies for doxorubicin-insensitive cancers.
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Affiliation(s)
- Jelica Vucicevic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Tatjana Srdic-Rajic
- Department of Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | - Marco Pieroni
- P4T Group, Dipartimento di Farmacia, Università degli Studi di Parma, Viale delle Scienze, 27/A, 43124 Parma, Italy
| | - Jonne M M Laurila
- Department of Pharmacology, Drug Development and Therapeutics, University of Turku, Kiinamyllynkatu 10, FI-20520 Turku, Finland
| | - Vladimir Perovic
- Center for Multidisciplinary Research, Institute of Nuclear Sciences Vinca, University of Belgrade, POB 522, Mihaila Petrovica Alasa 14, 11001 Belgrade, Serbia
| | - Sabrina Tassini
- P4T Group, Dipartimento di Farmacia, Università degli Studi di Parma, Viale delle Scienze, 27/A, 43124 Parma, Italy
| | - Elisa Azzali
- P4T Group, Dipartimento di Farmacia, Università degli Studi di Parma, Viale delle Scienze, 27/A, 43124 Parma, Italy
| | - Gabriele Costantino
- P4T Group, Dipartimento di Farmacia, Università degli Studi di Parma, Viale delle Scienze, 27/A, 43124 Parma, Italy
| | - Sanja Glisic
- Center for Multidisciplinary Research, Institute of Nuclear Sciences Vinca, University of Belgrade, POB 522, Mihaila Petrovica Alasa 14, 11001 Belgrade, Serbia
| | - Danica Agbaba
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Mika Scheinin
- Department of Pharmacology, Drug Development and Therapeutics, University of Turku, Kiinamyllynkatu 10, FI-20520 Turku, Finland; Unit of Clinical Pharmacology, Turku University Hospital, Turku, Finland
| | - Katarina Nikolic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia.
| | - Marco Radi
- P4T Group, Dipartimento di Farmacia, Università degli Studi di Parma, Viale delle Scienze, 27/A, 43124 Parma, Italy.
| | - Nevena Veljkovic
- Center for Multidisciplinary Research, Institute of Nuclear Sciences Vinca, University of Belgrade, POB 522, Mihaila Petrovica Alasa 14, 11001 Belgrade, Serbia.
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Butini S, Nikolic K, Kassel S, Brückmann H, Filipic S, Agbaba D, Gemma S, Brogi S, Brindisi M, Campiani G, Stark H. Polypharmacology of dopamine receptor ligands. Prog Neurobiol 2016; 142:68-103. [PMID: 27234980 DOI: 10.1016/j.pneurobio.2016.03.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 01/26/2016] [Accepted: 03/15/2016] [Indexed: 01/11/2023]
Abstract
Most neurological diseases have a multifactorial nature and the number of molecular mechanisms discovered as underpinning these diseases is continuously evolving. The old concept of developing selective agents for a single target does not fit with the medical need of most neurological diseases. The development of designed multiple ligands holds great promises and appears as the next step in drug development for the treatment of these multifactorial diseases. Dopamine and its five receptor subtypes are intimately involved in numerous neurological disorders. Dopamine receptor ligands display a high degree of cross interactions with many other targets including G-protein coupled receptors, transporters, enzymes and ion channels. For brain disorders like Parkinsońs disease, schizophrenia and depression the dopaminergic system, being intertwined with many other signaling systems, plays a key role in pathogenesis and therapy. The concept of designed multiple ligands and polypharmacology, which perfectly meets the therapeutic needs for these brain disorders, is herein discussed as a general ligand-based concept while focusing on dopaminergic agents and receptor subtypes in particular.
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Affiliation(s)
- S Butini
- Department of Biotechnology, Chemistry and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - K Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - S Kassel
- Heinrich Heine University Duesseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitaetsstr. 1, 40225 Duesseldorf, Germany
| | - H Brückmann
- Heinrich Heine University Duesseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitaetsstr. 1, 40225 Duesseldorf, Germany
| | - S Filipic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - D Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - S Gemma
- Department of Biotechnology, Chemistry and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - S Brogi
- Department of Biotechnology, Chemistry and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - M Brindisi
- Department of Biotechnology, Chemistry and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - G Campiani
- Department of Biotechnology, Chemistry and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - H Stark
- Heinrich Heine University Duesseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitaetsstr. 1, 40225 Duesseldorf, Germany.
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Obradović D, Filipić S, Nikolić K, Čarapić M, Agbaba D. Optimization of TLC method for separation and determination of ziprasidone and its impurities. J LIQ CHROMATOGR R T 2016. [DOI: 10.1080/10826076.2016.1163183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Darija Obradović
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Slavica Filipić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Katarina Nikolić
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Marija Čarapić
- Medicines and Medical Devices Agency of Serbia, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
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Gagic Z, Nikolic K, Ivkovic B, Filipic S, Agbaba D. QSAR studies and design of new analogs of vitamin E with enhanced antiproliferative activity on MCF-7 breast cancer cells. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2015.07.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Đanić M, Pavlović N, Stanimirov B, Vukmirović S, Nikolić K, Agbaba D, Mikov M. The influence of bile salts on the distribution of simvastatin in the octanol/buffer system. Drug Dev Ind Pharm 2015. [DOI: 10.3109/03639045.2015.1067626] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Maja Đanić
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia,
| | - Nebojša Pavlović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia,
| | - Bojan Stanimirov
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia,
| | - Saša Vukmirović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia,
| | - Katarina Nikolić
- Institute of Pharmaceutical Chemistry and Drug Analysis, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia, and
| | - Danica Agbaba
- Institute of Pharmaceutical Chemistry and Drug Analysis, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia, and
| | - Momir Mikov
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia,
- Curtin Health Innovation Research Institute, School of Pharmacy, Curtin University, Perth, WA, Australia
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Kowalska T, Sajewicz M, Agbaba D, Stanimirova-Daszykowska I, Waksmundzka-Hajnos M, Spangenberg B, Morlock G. In Memoriam Dr.habil. Friedrich Geiss (1932–2015). ACTA CHROMATOGR 2015. [DOI: 10.1556/achrom.27.2015.2.0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Affiliation(s)
- Slavica Filipic
- Department of Pharmaceutical Chemistry, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
| | | | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
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Filipic S, Elek M, Nikolic K, Agbaba D. Quantitative structure-retention relationship modeling of the retention behavior of guanidine and imidazoline derivatives in reversed-phase thin-layer chromatography. JPC-J PLANAR CHROMAT 2015. [DOI: 10.1556/jpc.28.2015.2.6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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45
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Vucicevic J, Nikolic K, Dobričić V, Agbaba D. Prediction of blood–brain barrier permeation of α-adrenergic and imidazoline receptor ligands using PAMPA technique and quantitative-structure permeability relationship analysis. Eur J Pharm Sci 2015; 68:94-105. [DOI: 10.1016/j.ejps.2014.12.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 12/12/2014] [Accepted: 12/15/2014] [Indexed: 11/28/2022]
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Nikolic K, Agbaba D, Stark H. Pharmacophore modeling, drug design and virtual screening on multi-targeting procognitive agents approaching histaminergic pathways. J Taiwan Inst Chem Eng 2015. [DOI: 10.1016/j.jtice.2014.09.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Bautista-Aguilera OM, Samadi A, Chioua M, Nikolic K, Filipic S, Agbaba D, Soriano E, de Andrés L, Rodríguez-Franco MI, Alcaro S, Ramsay RR, Ortuso F, Yañez M, Marco-Contelles J. N-Methyl-N-((1-methyl-5-(3-(1-(2-methylbenzyl)piperidin-4-yl)propoxy)-1H-indol-2-yl)methyl)prop-2-yn-1-amine, a New Cholinesterase and Monoamine Oxidase Dual Inhibitor. J Med Chem 2014; 57:10455-63. [DOI: 10.1021/jm501501a] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
| | - Abdelouahid Samadi
- Laboratorio
de Química Médica, (IQOG, CSIC), Juan de la Cierva
3, E-28006 Madrid, Spain
| | - Mourad Chioua
- Laboratorio
de Química Médica, (IQOG, CSIC), Juan de la Cierva
3, E-28006 Madrid, Spain
| | - Katarina Nikolic
- Institute
of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Slavica Filipic
- Institute
of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Danica Agbaba
- Institute
of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11000 Belgrade, Serbia
| | - Elena Soriano
- SEPCO, (IQOG, CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | - Lucía de Andrés
- Instituto
de Química Médica, (IQM-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | | | - Stefano Alcaro
- Dipartimento
di Scienze della Salute, Università “Magna Græcia” di Catanzaro, Campus “S. Venuta”, Viale Europa, 88100 Catanzaro, Italy
| | - Rona R. Ramsay
- Biomedical
Sciences Research Complex, University of St Andrews, Biomolecular
Sciences Building, North Haugh, St Andrews KY16 9ST, U.K
| | - Francesco Ortuso
- Dipartimento
di Scienze della Salute, Università “Magna Græcia” di Catanzaro, Campus “S. Venuta”, Viale Europa, 88100 Catanzaro, Italy
| | - Matilde Yañez
- Facultad
de Farmacia, Departamento de Farmacología, Universidad de Santiago de Compostela, Campus Vida, La Coruña, 15782 Santiago de Compostela, Spain
| | - José Marco-Contelles
- Laboratorio
de Química Médica, (IQOG, CSIC), Juan de la Cierva
3, E-28006 Madrid, Spain
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Nikolic K, Mavridis L, Bautista-Aguilera OM, Marco-Contelles J, Stark H, do Carmo Carreiras M, Rossi I, Massarelli P, Agbaba D, Ramsay RR, Mitchell JBO. Predicting targets of compounds against neurological diseases using cheminformatic methodology. J Comput Aided Mol Des 2014; 29:183-98. [PMID: 25425329 DOI: 10.1007/s10822-014-9816-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 11/20/2014] [Indexed: 11/28/2022]
Abstract
Recently developed multi-targeted ligands are novel drug candidates able to interact with monoamine oxidase A and B; acetylcholinesterase and butyrylcholinesterase; or with histamine N-methyltransferase and histamine H3-receptor (H3R). These proteins are drug targets in the treatment of depression, Alzheimer's disease, obsessive disorders, and Parkinson's disease. A probabilistic method, the Parzen-Rosenblatt window approach, was used to build a "predictor" model using data collected from the ChEMBL database. The model can be used to predict both the primary pharmaceutical target and off-targets of a compound based on its structure. Molecular structures were represented based on the circular fingerprint methodology. The same approach was used to build a "predictor" model from the DrugBank dataset to determine the main pharmacological groups of the compound. The study of off-target interactions is now recognised as crucial to the understanding of both drug action and toxicology. Primary pharmaceutical targets and off-targets for the novel multi-target ligands were examined by use of the developed cheminformatic method. Several multi-target ligands were selected for further study, as compounds with possible additional beneficial pharmacological activities. The cheminformatic targets identifications were in agreement with four 3D-QSAR (H3R/D1R/D2R/5-HT2aR) models and by in vitro assays for serotonin 5-HT1a and 5-HT2a receptor binding of the most promising ligand (71/MBA-VEG8).
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Affiliation(s)
- Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Institute of Pharmaceutical Chemistry, University of Belgrade, Vojvode Stepe 450, 11000, Belgrade, Serbia,
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Bautista-Aguilera OM, Esteban G, Chioua M, Nikolic K, Agbaba D, Moraleda I, Iriepa I, Soriano E, Samadi A, Unzeta M, Marco-Contelles J. Multipotent cholinesterase/monoamine oxidase inhibitors for the treatment of Alzheimer's disease: design, synthesis, biochemical evaluation, ADMET, molecular modeling, and QSAR analysis of novel donepezil-pyridyl hybrids. Drug Des Devel Ther 2014; 8:1893-910. [PMID: 25378907 PMCID: PMC4207550 DOI: 10.2147/dddt.s69258] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The design, synthesis, and biochemical evaluation of donepezil-pyridyl hybrids (DPHs) as multipotent cholinesterase (ChE) and monoamine oxidase (MAO) inhibitors for the potential treatment of Alzheimer’s disease (AD) is reported. The 3D-quantitative structure-activity relationship study was used to define 3D-pharmacophores for inhibition of MAO A/B, acetylcholinesterase (AChE), and butyrylcholinesterase (BuChE) enzymes and to design DPHs as novel multi-target drug candidates with potential impact in the therapy of AD. DPH14 (Electrophorus electricus AChE [EeAChE]: half maximal inhibitory concentration [IC50] =1.1±0.3 nM; equine butyrylcholinesterase [eqBuChE]: IC50 =600±80 nM) was 318-fold more potent for the inhibition of AChE, and 1.3-fold less potent for the inhibition of BuChE than the reference compound ASS234. DPH14 is a potent human recombinant BuChE (hBuChE) inhibitor, in the same range as DPH12 or DPH16, but 13.1-fold less potent than DPH15 for the inhibition of human recombinant AChE (hAChE). Compared with donepezil, DPH14 is almost equipotent for the inhibition of hAChE, and 8.8-fold more potent for hBuChE. Concerning human monoamine oxidase (hMAO) A inhibition, only DPH9 and 5 proved active, compound DPH9 being the most potent (IC50 [MAO A] =5,700±2,100 nM). For hMAO B, only DPHs 13 and 14 were moderate inhibitors, and compound DPH14 was the most potent (IC50 [MAO B] =3,950±940 nM). Molecular modeling of inhibitor DPH14 within EeAChE showed a binding mode with an extended conformation, interacting simultaneously with both catalytic and peripheral sites of EeAChE thanks to a linker of appropriate length. Absortion, distribution, metabolism, excretion and toxicity analysis showed that structures lacking phenyl-substituent show better druglikeness profiles; in particular, DPHs13–15 showed the most suitable absortion, distribution, metabolism, excretion and toxicity properties. Novel donepezil-pyridyl hybrid DPH14 is a potent, moderately selective hAChE and selective irreversible hMAO B inhibitor which might be considered as a promising compound for further development for the treatment of AD.
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Affiliation(s)
- Oscar M Bautista-Aguilera
- Laboratory of Medicinal Chemistry (Institute of General Organic Chemistry [IQOG], National Research Council [CSIC]), Madrid, Spain
| | - Gerard Esteban
- Department of Biochemistry and Molecular Biology, Institute of Neurosciences, Autonomous Barcelona University, Barcelona, Spain
| | - Mourad Chioua
- Laboratory of Medicinal Chemistry (Institute of General Organic Chemistry [IQOG], National Research Council [CSIC]), Madrid, Spain
| | - Katarina Nikolic
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Danica Agbaba
- Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Ignacio Moraleda
- Department of Organic Chemistry, Faculty of Pharmacy, University of Alcalá, Ctra Barcelona, Alcalá de Henares, Spain
| | - Isabel Iriepa
- Department of Organic Chemistry, Faculty of Pharmacy, University of Alcalá, Ctra Barcelona, Alcalá de Henares, Spain
| | - Elena Soriano
- Synthesis, and Structure of Organic Compounds (SEPCO) (IQOG, CSIC), Madrid, Spain
| | - Abdelouahid Samadi
- Laboratory of Medicinal Chemistry (Institute of General Organic Chemistry [IQOG], National Research Council [CSIC]), Madrid, Spain
| | - Mercedes Unzeta
- Department of Biochemistry and Molecular Biology, Institute of Neurosciences, Autonomous Barcelona University, Barcelona, Spain
| | - José Marco-Contelles
- Laboratory of Medicinal Chemistry (Institute of General Organic Chemistry [IQOG], National Research Council [CSIC]), Madrid, Spain
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