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Kazakova O, Racoviceanu R, Petrova A, Mioc M, Militaru A, Udrescu L, Udrescu M, Voicu A, Cummings J, Robertson G, Ordway DJ, Slayden RA, Șoica C. New Investigations with Lupane Type A-Ring Azepane Triterpenoids for Antimycobacterial Drug Candidate Design. Int J Mol Sci 2021; 22:12542. [PMID: 34830423 PMCID: PMC8621456 DOI: 10.3390/ijms222212542] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/02/2022] Open
Abstract
Twenty lupane type A-ring azepano-triterpenoids were synthesized from betulin and its related derivatives and their antitubercular activity against Mycobacterium tuberculosis, mono-resistant MTB strains, and nontuberculous strains Mycobacterium abscessus and Mycobacterium avium were investigated in the framework of AToMIc (Anti-mycobacterial Target or Mechanism Identification Contract) realized by the Division of Microbiology and Infectious Diseases, NIAID, National Institute of Health. Of all the tested triterpenoids, 17 compounds showed antitubercular activity and 6 compounds were highly active on the H37Rv wild strain (with MIC 0.5 µM for compound 7), out of which 4 derivatives also emerged as highly active compounds on the three mono-resistant MTB strains. Molecular docking corroborated with a machine learning drug-drug similarity algorithm revealed that azepano-triterpenoids have a rifampicin-like antitubercular activity, with compound 7 scoring the highest as a potential M. tuberculosis RNAP potential inhibitor. FIC testing demonstrated an additive effect of compound 7 when combined with rifampin, isoniazid and ethambutol. Most compounds were highly active against M. avium with compound 14 recording the same MIC value as the control rifampicin (0.0625 µM). The antitubercular ex vivo effectiveness of the tested compounds on THP-1 infected macrophages is correlated with their increased cell permeability. The tested triterpenoids also exhibit low cytotoxicity and do not induce antibacterial resistance in MTB strains.
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Affiliation(s)
- Oxana Kazakova
- Ufa Institute of Chemistry, The Ufa Federal Research Centre, The Russian Academy of Sciences, 71, Pr. Oktyabrya, 450054 Ufa, Russia;
| | - Roxana Racoviceanu
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
| | - Anastasiya Petrova
- Ufa Institute of Chemistry, The Ufa Federal Research Centre, The Russian Academy of Sciences, 71, Pr. Oktyabrya, 450054 Ufa, Russia;
| | - Marius Mioc
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
| | - Adrian Militaru
- Department of Computer and Information Technology, University Politehnica of Timişoara, 2 Vasile Pârvan Blvd., 300223 Timişoara, Romania; (A.M.); (M.U.)
| | - Lucreția Udrescu
- Department I-Drug Analysis, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania;
| | - Mihai Udrescu
- Department of Computer and Information Technology, University Politehnica of Timişoara, 2 Vasile Pârvan Blvd., 300223 Timişoara, Romania; (A.M.); (M.U.)
| | - Adrian Voicu
- Department III-Informatics and Medical Biostatistics, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania
| | - Jason Cummings
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Gregory Robertson
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Diane J. Ordway
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Richard A. Slayden
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Codruța Șoica
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
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Topîrceanu A, Udrescu L, Udrescu M, Mihaicuta S. Gender Phenotyping of Patients with Obstructive Sleep Apnea Syndrome Using a Network Science Approach. J Clin Med 2020; 9:jcm9124025. [PMID: 33322816 PMCID: PMC7764072 DOI: 10.3390/jcm9124025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 11/12/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023] Open
Abstract
We defined gender-specific phenotypes for men and women diagnosed with obstructive sleep apnea syndrome (OSAS) based on easy-to-measure anthropometric parameters, using a network science approach. We collected data from 2796 consecutive patients since 2005, from 4 sleep laboratories in Western Romania, recording sleep, breathing, and anthropometric measurements. For both genders, we created specific apnea patient networks defined by patient compatibility relationships in terms of age, body mass index (BMI), neck circumference (NC), blood pressure (BP), and Epworth sleepiness score (ESS). We classified the patients with clustering algorithms, then statistically analyzed the groups/clusters. Our study uncovered eight phenotypes for each gender. We found that all males with OSAS have a large NC, followed by daytime sleepiness and high BP or obesity. Furthermore, all unique female phenotypes have high BP, followed by obesity and sleepiness. We uncovered gender-related differences in terms of associated OSAS parameters. In males, we defined the pattern large NC–sleepiness–high BP as an OSAS predictor, while in women, we found the pattern of high BP–obesity–sleepiness. These insights are useful for increasing awareness, improving diagnosis, and treatment response.
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Affiliation(s)
- Alexandru Topîrceanu
- Department of Computer and Information Technology, Politehnica University Timișoara, 300223 Timișoara, Romania; (A.T.); (M.U.)
| | - Lucreția Udrescu
- Department I-Drug Analysis, “Victor Babeș” University of Medicine and Pharmacy Timișoara, 300041 Timișoara, Romania
- Correspondence:
| | - Mihai Udrescu
- Department of Computer and Information Technology, Politehnica University Timișoara, 300223 Timișoara, Romania; (A.T.); (M.U.)
- Timisoara Institute of Complex Systems (TICS), 300044 Timisoara, Romania
| | - Stefan Mihaicuta
- Department of Pulmonology, “Victor Babeș” University of Medicine and Pharmacy Timișoara, 300041 Timișoara, Romania;
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Sbârcea L, Udrescu L, Drăgan L, Trandafirescu C, Szabadai Z, Bojiţă M. Fosinopril-cyclodextrin inclusion complexes: phase solubility and physicochemical analysis. Pharmazie 2011; 66:584-589. [PMID: 21901980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Fosinopril is one of the most hydrophobic substances among the angiotensin-converting enzyme inhibitors, exhibiting low water solubility and poor bioavailability following oral administration. Inclusion complexes between the drug substance and cyclodextrins (CDs) were obtained in order to improve its solubility. The purpose of this study was to investigate the guest-host interaction of fosinopril sodium (FOS) with beta-cyclodextrin (beta-CD) and its derivative, randomly methylated beta-cyclodextrin (RAMEB) in solution by phase solubility diagrams (PSD) and in solid state by using thermal analysis, powder X-ray diffractometry (PXRD) and Fourier transform infrared spectroscopy (FTIR). The phase solubility analysis indicated that the solubility of FOS in simulated gastric fluid was increased in the presence of CDs and revealed for RAMEB an A(L)-type diagram, suggesting the formation of a 1:1 inclusion complex, and for beta-CD a B(s)-type phase diagram. The estimated apparent stability constant (K1:1), according to the Higuchi and Connors method, is 3209.99 M(-1) and 1770.34 M(-1) for RAMEB and beta-CD complexes respectively. The binary systems FOS/CDs were prepared using the kneading method in the molar ratio 1:1. The PXRD patterns and the thermograms indicated a drug amorphization process, higher for FOS/RAMEB binary system and the FTIR analysis suggested that the ester group of FOS is probably enclosed in the CD's cavity. The results of this study confirm the formation of inclusion complexes both in solution and in solid state and suggest that the complexes formation between FOS and CDs could improve the bioavailability of the drug due to the enhancing absorption expected from increased drug solubility.
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Affiliation(s)
- L Sbârcea
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Victor Babeş University of Medicine and Pharmacy, Timişoara, Romania.
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