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Andor M, Temereancă C, Sbârcea L, Ledeți A, Man DE, Mornoș C, Ridichie A, Cîrcioban D, Vlase G, Barvinschi P, Caunii A, Văruţ RM, Trandafirescu CM, Buda V, Ledeți I, Rădulescu M. Host-Guest Interaction Study of Olmesartan Medoxomil with β-Cyclodextrin Derivatives. Molecules 2024; 29:2209. [PMID: 38792072 PMCID: PMC11123892 DOI: 10.3390/molecules29102209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Olmesartan medoxomil (OLM) is a selective angiotensin II receptor antagonist used in the treatment of hypertension. Its therapeutic potential is limited by its poor water solubility, leading to poor bioavailability. Encapsulation of the drug substance by two methylated cyclodextrins, namely randomly methylated β-cyclodextrin (RM-β-CD) and heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin (TM-β-CD), was carried out to overcome the limitation related to OLM solubility, which, in turn, is expected to result in an improved biopharmaceutical profile. Supramolecular entities were evaluated by means of thermoanalytical techniques (TG-thermogravimetry; DTG-derivative thermogravimetry), spectroscopic methods including powder X-ray diffractometry (PXRD), universal-attenuated total reflectance Fourier-transform infrared (UATR-FTIR) and UV spectroscopy, saturation solubility studies, and by a theoretical approach using molecular modeling. The phase solubility method reveals an AL-type diagram for both inclusion complexes, indicating a stoichiometry ratio of 1:1. The values of the apparent stability constant indicate the higher stability of the host-guest system OLM/RM-β-CD. The physicochemical properties of the binary systems are different from those of the parent compounds, emphasizing the formation of inclusion complexes between the drug and CDs when the kneading method was used. The molecular encapsulation of OLM in RM-β-CD led to an increase in drug solubility, thus the supramolecular adduct can be the subject of further research to design a new pharmaceutical formulation containing OLM, with improved bioavailability.
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Affiliation(s)
- Minodora Andor
- Faculty of Medicine, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.A.); (D.E.M.); (C.M.); (M.R.)
| | - Claudia Temereancă
- Faculty of Industrial Chemistry and Environmental Engineering, University Politehnica Timisoara, 2 Victoriei Square, 300006 Timisoara, Romania; (C.T.); (I.L.)
| | - Laura Sbârcea
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Adriana Ledeți
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Dana Emilia Man
- Faculty of Medicine, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.A.); (D.E.M.); (C.M.); (M.R.)
| | - Cristian Mornoș
- Faculty of Medicine, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.A.); (D.E.M.); (C.M.); (M.R.)
| | - Amalia Ridichie
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Denisa Cîrcioban
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Gabriela Vlase
- Research Centre for Thermal Analysis in Environmental Problems, West University of Timisoara, Pestalozzi Street 16, 300115 Timisoara, Romania;
| | - Paul Barvinschi
- Faculty of Physics, West University of Timisoara, 4 Vasile Parvan Blvd, 300223 Timisoara, Romania;
| | - Angela Caunii
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Renata-Maria Văruţ
- Faculty of Pharmacy, University of Medicine and Pharmacy Craiova, 2–4 Petru Rares Str., 200349 Craiova, Romania;
| | - Cristina Maria Trandafirescu
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
| | - Valentina Buda
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
| | - Ionuț Ledeți
- Faculty of Industrial Chemistry and Environmental Engineering, University Politehnica Timisoara, 2 Victoriei Square, 300006 Timisoara, Romania; (C.T.); (I.L.)
- Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (L.S.); (A.R.); (D.C.); (A.C.); (C.M.T.); (V.B.)
- Advanced Instrumental Screening Center, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timişoara, Romania
| | - Matilda Rădulescu
- Faculty of Medicine, “Victor Babeş” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania; (M.A.); (D.E.M.); (C.M.); (M.R.)
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Loukas AT, Papadourakis M, Panagiotopoulos V, Zarmpala A, Chontzopoulou E, Christodoulou S, Katsila T, Zoumpoulakis P, Matsoukas MT. Natural Compounds for Bone Remodeling: A Computational and Experimental Approach Targeting Bone Metabolism-Related Proteins. Int J Mol Sci 2024; 25:5047. [PMID: 38732267 PMCID: PMC11084538 DOI: 10.3390/ijms25095047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Osteoporosis, characterized by reduced bone density and increased fracture risk, affects over 200 million people worldwide, predominantly older adults and postmenopausal women. The disruption of the balance between bone-forming osteoblasts and bone-resorbing osteoclasts underlies osteoporosis pathophysiology. Standard treatment includes lifestyle modifications, calcium and vitamin D supplementation and specific drugs that either inhibit osteoclasts or stimulate osteoblasts. However, these treatments have limitations, including side effects and compliance issues. Natural products have emerged as potential osteoporosis therapeutics, but their mechanisms of action remain poorly understood. In this study, we investigate the efficacy of natural compounds in modulating molecular targets relevant to osteoporosis, focusing on the Mitogen-Activated Protein Kinase (MAPK) pathway and the gut microbiome's influence on bone homeostasis. Using an in silico and in vitro methodology, we have identified quercetin as a promising candidate in modulating MAPK activity, offering a potential therapeutic perspective for osteoporosis treatment.
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Affiliation(s)
- Alexandros-Timotheos Loukas
- Department of Food Science and Technology, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece; (A.-T.L.); (P.Z.)
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
| | - Michail Papadourakis
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
| | - Vasilis Panagiotopoulos
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
- Department of Biomedical Engineering, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece
| | - Apostolia Zarmpala
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
| | - Eleni Chontzopoulou
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
| | - Stephanos Christodoulou
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
| | - Theodora Katsila
- Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece;
| | - Panagiotis Zoumpoulakis
- Department of Food Science and Technology, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece; (A.-T.L.); (P.Z.)
- Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece;
| | - Minos-Timotheos Matsoukas
- Cloudpharm Private Company, Kifissias Avenue 44, 15125 Marousi, Greece; (V.P.); (A.Z.); (E.C.); (S.C.)
- Department of Biomedical Engineering, University of West Attica, Ag. Spyridonos, 12243 Egaleo, Greece
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Rani P, Yadav PK, Singh AK, Nayak S, Kumar KD, Kumar R. Structural, material and antibacterial properties of quercetin incorporated soy protein isolate films and its binding behavior through molecular docking. Biopolymers 2024; 115:e23569. [PMID: 37970979 DOI: 10.1002/bip.23569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023]
Abstract
This study aimed to investigate the three different methods for the fabrication of quercetin (1%-3% w/w of protein) incorporated soy protein isolate (SPI) films and their effect on material properties. The quercetin incorporated SPI films prepared by these methods were characterized by Fourier transform infrared (FTIR) spectroscopy, UV-Vis spectrophotometer, tensile properties, and water uptake and leaching properties. The cross-linking pattern was revealed by the FTIR spectrum that showed formation of an ester group because of interaction between the quercetin hydroxyl group and the carboxyl side chain of SPI amino acids. The tensile strength of SPI films were enhanced with the addition of quercetin as it increased to a maximum of 6.17 MPa while neat SPI film had tensile strength 4.13 MPa. The prepared films exhibit significant antibacterial activity against Listeria monocytogenes and Escherichia coli. The In-silico docking analysis demonstrates that covalent and non-covalent forces play crucial roles in binding interaction. It shows the formation of four hydrogen bonds, two salt bridges along with one pi-alkyl interaction. The simulation studies reflect the crucial amino acid residues involved in SPI-quercetin binding. The effect of quercetin binding with SPI on its stability and compactness is revealed by Root mean square deviation (RMSD) and radius of gyration studies.
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Affiliation(s)
- Priya Rani
- Department of Biotechnology, Central University of South Bihar, Gaya, India
| | - Piyush Kumar Yadav
- Department of Bioinformatics, Central University of South Bihar, Gaya, India
| | - Ajay Kumar Singh
- Department of Bioinformatics, Central University of South Bihar, Gaya, India
| | - Suman Nayak
- Department of Chemistry, Indian Institute of Technology, Patna, India
| | - K Dinesh Kumar
- Department of Materials Science & Engineering, Indian Institute of Technology, Patna, India
| | - Rakesh Kumar
- Department of Biotechnology, Central University of South Bihar, Gaya, India
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Karrenbrock M, Rizzi V, Procacci P, Gervasio FL. Addressing Suboptimal Poses in Nonequilibrium Alchemical Calculations. J Phys Chem B 2024; 128:1595-1605. [PMID: 38323915 DOI: 10.1021/acs.jpcb.3c06516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Alchemical transformations can be used to quantitatively estimate absolute binding free energies at a reasonable computational cost. However, most of the approaches currently in use require knowledge of the correct (crystallographic) pose. In this paper, we present a combined Hamiltonian replica exchange nonequilibrium alchemical method that allows us to reliably calculate absolute binding free energies, even when starting from suboptimal initial binding poses. Performing a preliminary Hamiltonian replica exchange enhances the sampling of slow degrees of freedom of the ligand and the target, allowing the system to populate the correct binding pose when starting from an approximate docking pose. We apply the method on 6 ligands of the first bromodomain of the BRD4 bromodomain-containing protein. For each ligand, we start nonequilibrium alchemical transformations from both the crystallographic pose and the top-scoring docked pose that are often significantly different. We show that the method produces statistically equivalent binding free energies, making it a useful tool for computational drug discovery pipelines.
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Affiliation(s)
- Maurice Karrenbrock
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland
| | - Valerio Rizzi
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland
| | - Piero Procacci
- Chemistry Department, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Francesco Luigi Gervasio
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, CH-1206 Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CH-1206 Geneva, Switzerland
- Chemistry Department, University College London (UCL), WC1E 6BT London, U.K
- Swiss Bioinformatics Institute, University of Geneva, CH-1206 Geneva, Switzerland
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Georgiou N, Kakava MG, Routsi EA, Petsas E, Stavridis N, Freris C, Zoupanou N, Moschovou K, Kiriakidi S, Mavromoustakos T. Quercetin: A Potential Polydynamic Drug. Molecules 2023; 28:8141. [PMID: 38138630 PMCID: PMC10745404 DOI: 10.3390/molecules28248141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
The study of natural products as potential drug leads has gained tremendous research interest. Quercetin is one of those natural products. It belongs to the family of flavonoids and, more specifically, flavonols. This review summarizes the beneficial pharmaceutical effects of quercetin, such as its anti-cancer, anti-inflammatory, and antimicrobial properties, which are some of the quercetin effects described in this review. Nevertheless, quercetin shows poor bioavailability and low solubility. For this reason, its encapsulation in macromolecules increases its bioavailability and therefore pharmaceutical efficiency. In this review, a brief description of the different forms of encapsulation of quercetin are described, and new ones are proposed. The beneficial effects of applying new pharmaceutical forms of nanotechnology are outlined.
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Affiliation(s)
- Nikitas Georgiou
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
| | - Margarita Georgia Kakava
- Laboratory of Organic Chemistry and Biochemistry, Department of Chemistry, University of Patras, 26504 Patras, Greece;
| | - Efthymios Alexandros Routsi
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece
| | - Errikos Petsas
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
| | - Nikolaos Stavridis
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
| | - Christoforos Freris
- Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;
| | - Nikoletta Zoupanou
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
| | - Kalliopi Moschovou
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
| | - Sofia Kiriakidi
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
- Departamento de Quimica Orgánica, Facultade de Quimica, Universidade de Vigo, 36310 Vigo, Spain
| | - Thomas Mavromoustakos
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (N.G.); (E.A.R.); (E.P.); (N.S.); (N.Z.); (K.M.); (S.K.)
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Alizadeh SR, Savadkouhi N, Ebrahimzadeh MA. Drug design strategies that aim to improve the low solubility and poor bioavailability conundrum in quercetin derivatives. Expert Opin Drug Discov 2023; 18:1117-1132. [PMID: 37515777 DOI: 10.1080/17460441.2023.2241366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/24/2023] [Indexed: 07/31/2023]
Abstract
INTRODUCTION Scientists are especially interested in polyphenols, particularly flavonoids. Quercetin, a flavonoid, has demonstrated various therapeutic properties, such as antioxidant, anti-diabetic, anti-hypertensive, and anti-carcinogenic activities. Different plant sources contain varying quantities and types of quercetin. However, quercetin's bioavailability is frequently low due to its low water solubility, molecular stability, and absorption characteristics. AREAS COVERED The primary goals of this review are related to the approaches for overcoming quercetin's limitations. Hence, the main tactics for structural modifications (addition of charged and polar groups, removing C2, C3 double bond or reducing aromaticity, disrupting intramolecular H-bond, and reducing crystal lattice stability) and drug delivery systems (cyclodextrin complexes, emulsions, nanoparticles, liposomes, etc.) were discussed to improve water solubility and bioavailability of quercetin. EXPERT OPINION From a tactical perspective, enhancing the solubility of compounds can be simplified through decreasing hydrophobic properties or crystalline stability. In addition, an essential field of study focuses on creating appropriate molecular carriers for substances with low water solubility. However, pharmacokinetics, potency, and toxicology are all impacted by the structural factors and physical characteristics that regulate solubility. Poor water solubility is still a major problem in drug discovery, and new methods are always in demand to overcome it.
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Affiliation(s)
- Seyedeh Roya Alizadeh
- Department of Medicinal Chemistry, School of Pharmacy and Pharmaceutical Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Niloofar Savadkouhi
- Department of Medicinal Chemistry, School of Pharmacy and Pharmaceutical Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Ali Ebrahimzadeh
- Department of Medicinal Chemistry, School of Pharmacy and Pharmaceutical Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
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