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Bhat RM, Hegde V, Budagumpi S, Adimule V, Keri RS. Benzimidazole-Oxadiazole Hybrids-Development in Medicinal Chemistry: An Overview. Chem Biol Drug Des 2024; 104:e14609. [PMID: 39155152 DOI: 10.1111/cbdd.14609] [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: 03/12/2024] [Revised: 07/22/2024] [Accepted: 08/05/2024] [Indexed: 08/20/2024]
Abstract
To increase the success rate of drug discovery, one practical strategy is to begin molecular hybridisation. The presence of two or more pharmacophores in a single unit leads to a pharmacological potency greater than the sum of each individual moiety's potency. Heterocyclic compounds are very widely distributed in nature and are essential for life activities. Benzimidazole and oxadiazole are privileged structures in medicinal chemistry and are widely used in drug discovery and development due to their vast biological properties. The drug-like properties (like pharmacokinetics and pharmacodynamics) of the individual scaffolds can be improved by benzimidazole-oxadiazole chimeric molecules via a molecular hybridisation approach. Benzimidazole and oxadiazole cores can either be fused or incorporated using either functional groups/bonds. Over the last few decades, drug discovery scientists have predicted that these moieties could be interconnected to yield a novel or modified hybrid compound. Benzimidazole and oxadiazole hybrids were identified as the most potent anticancer, antimicrobial, anti-inflammatory, antioxidant, anticonvulsant, antidepressant, antihypertensive and antitubercular agents. In this context, the present review describes the biological properties of benzimidazole-oxadiazole (1,3,4 and 1,2,4) hybrids, their possible structure-activity relationship and the mechanism of action studies presented. This review article is intended to stimulate fresh ideas in the search for rational designs of more active and less toxic benzimidazole-oxadiazole hybrid prospective therapeutic candidates, as well as more effective diagnostic agents and pathologic probes.
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Affiliation(s)
- Raveendra Madhukar Bhat
- Centre for Nano and Material Sciences, Jain (Deemed-To-Be University), Bangalore, Karnataka, India
- Aurigene Pharmaceutical Services, Bangalore, Karnataka, India
| | - Venkatraman Hegde
- Centre for Nano and Material Sciences, Jain (Deemed-To-Be University), Bangalore, Karnataka, India
- Aurigene Pharmaceutical Services, Bangalore, Karnataka, India
| | - Srinivasa Budagumpi
- Centre for Nano and Material Sciences, Jain (Deemed-To-Be University), Bangalore, Karnataka, India
| | - Vinayak Adimule
- Angadi Institute of Technology and Management (AITM), Belagavi, Karnataka, India
| | - Rangappa S Keri
- Centre for Nano and Material Sciences, Jain (Deemed-To-Be University), Bangalore, Karnataka, India
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Linh KTP, Trung VT, Trang DT, Binh PT, Cuong NT, Thanh NV, Cuong NX, Nam NH, Thao NP. Chemical constituents from the leaves of Sindora siamensis var. maritima and their antimicrobial and α-glucosidase inhibitory activities. Carbohydr Res 2024; 537:109074. [PMID: 38452719 DOI: 10.1016/j.carres.2024.109074] [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: 01/10/2024] [Revised: 02/16/2024] [Accepted: 03/01/2024] [Indexed: 03/09/2024]
Abstract
Two new glycosides, sindosides A-B (1-2), along with 11 previously identified metabolites (3-13), were isolated from an ethanolic extract of the leaves of Sindora siamensis var. maritima. The structures of the purified phytochemicals were elucidated by interpreting their spectroscopic data (IR, NMR, and HRMS). The absolute configuration of compound 1 was established by experimental and calculated ECD spectra. The antimicrobial results revealed that compound 8 selectively inhibited C. albicans fungal with a MIC value of 64 μg/mL, whereas 11 presented a weak inhibition toward E. faecalis, S. aureus, and B. cereus bacterial strains with the same MIC value of 128 μg/mL. Interestingly, compounds 1, 2, 8, 9, and 11 showed α-glucosidase inhibitory activity with IC50 values ranging from 14.42 ± 0.21 to 30.62 ± 0.18 μM, which were more active than the positive control (acarbose, with an IC50 value of 46.78 ± 1.37 μM). Enzyme kinetic analysis revealed that compounds 1, 2, and 11 behaved as uncompetitive inhibitors with Ki values of 8.60 ± 1.04, 5.16 ± 0.73, and 7.17 ± 0.98 μM, respectively.
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Affiliation(s)
- Kieu Thi Phuong Linh
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Vu Thanh Trung
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Duong Thu Trang
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Pham Thanh Binh
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Nguyen The Cuong
- Institute of Ecology and Biological Resources, VAST, Cau Giay, Hanoi, Viet Nam
| | - Nguyen Van Thanh
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Nguyen Xuan Cuong
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Nguyen Hoai Nam
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam
| | - Nguyen Phuong Thao
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Viet Nam.
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Chalkappa PKB, Aralihalli S, Sudileti M, Aithal SJ, Praveen BM, Birjadar K. The medicinal panorama of benzimidazoles and their scaffolds as anticancer and antithrombotic agents: A review. Arch Pharm (Weinheim) 2023; 356:e2300206. [PMID: 37440107 DOI: 10.1002/ardp.202300206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/18/2023] [Accepted: 06/19/2023] [Indexed: 07/14/2023]
Abstract
Nitrogen-containing heterocyclic scaffolds have become a prospective pharmacophore with therapeutic importance due to their biological similarities with natural and synthetic drugs. Among all nitrogen heterocyclic compounds, benzimidazoles and their derivatives are privileged molecules structurally akin to naturally available nucleotides, enabling them to intercommunicate with numerous biopolymers in biological systems. This reason enlightens modern researchers worldwide to assess their potential significance in the context of synthetic and biological chemistry. Therefore, it is crucial to merge the latest data with the prior documentation to apprehend the ongoing situation of the benzimidazole moiety in various therapeutic zones of research. The current work displays that the benzimidazole center is a versatile nucleus that offers the necessary data of synthetic alterations for pre-existing compounds to provide new scaffolds to resist numerous therapeutic sectors, including those associated with anticancer and antithrombosis. Due to the potential significance of benzimidazoles, this review aims to emphasize the latest innovations in synthesizing several other notable benzimidazole substrates and their significant pharmacological prospects for the future, including anticancer and antithrombosis.
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Affiliation(s)
| | - Sudhakara Aralihalli
- Department of Chemistry, RajaRajeswari College of Engineering, Banglore, Karnataka, India
| | - Murali Sudileti
- Department of Chemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | | | | | - Kedarnath Birjadar
- Department of Chemistry, Srinivas University, Mangaluru, Karnataka, India
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Khushal A, Farooq U, Khan S, Rasul A, Wani TA, Zargar S, Shahzad SA, Bukhari SM, Khan NA. Bioactivity-Guided Synthesis: In Silico and In Vitro Studies of β-Glucosidase Inhibitors to Cope with Hepatic Cytotoxicity. Molecules 2023; 28:6548. [PMID: 37764324 PMCID: PMC10538174 DOI: 10.3390/molecules28186548] [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: 08/04/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The major cause of hyperglycemia can generally be attributed to β-glucosidase as per its involvement in non-alcoholic fatty liver disease. This clinical condition leads to liver carcinoma (HepG2 cancer). The phthalimides and phthalamic acid classes possess inhibitory potential against glucosidase, forming the basis for designing new phthalimide and phthalamic acid analogs to test their ability as potent inhibitors of β-glucosidase. The study also covers in silico (molecular docking and MD simulations) and in vitro (β-glucosidase and HepG2 cancer cell line assays) analyses. The phthalimide and phthalamic acid derivatives were synthesized, followed by spectroscopic characterization. The mechanistic complexities associated with β-glucosidase inhibition were identified via the docking of the synthesized compounds inside the active site of the protein, and the results were analyzed in terms of the best binding energy and appropriate docking pose. The top-ranked compounds were subjected to extensive MD simulation studies to understand the mode of interaction of the synthesized compounds and binding energies, as well as the contribution of individual residues towards binding affinities. Lower RMSD/RMSF values were observed for 2c and 3c, respectively, in the active site, confirming more stabilized, ligand-bound complexes when compared to the free state. An anisotropic network model was used to unravel the role of loop fluctuation in the context of ligand binding and the dynamics that are distinct to the bound and free states, supported by a 3D surface plot. An in vitro study revealed that 1c (IC50 = 1.26 µM) is far better than standard acarbose (2.15 µM), confirming the potential of this compound against the target protein. Given the appreciable potential of the candidate compounds against β-glucosidase, the synthesized compounds were further tested for their cytotoxic activity against hepatic carcinoma on HepG2 cancer cell lines. The cytotoxicity profile of the synthesized compounds was performed against HepG2 cancer cell lines. The resultant IC50 value (0.048 µM) for 3c is better than the standard (thalidomide: IC50 0.053 µM). The results promise the hypothesis that the synthesized compounds might become potential drug candidates, given the fact that the β-glucosidase inhibition of 1c is 40% better than the standard, whereas compound 3c holds more anti-tumor activity (greater than 9%) against the HepG2 cell line than the known drug.
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Affiliation(s)
- Aneela Khushal
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Umar Farooq
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Molecular Reaction Dynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Sara Khan
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Azhar Rasul
- Department of Zoology, GC University Faisalabad, Faisalabad 38000, Pakistan
| | - Tanveer A Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Seema Zargar
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11451, Saudi Arabia
| | - Sohail Anjum Shahzad
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Syed Majid Bukhari
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Nazeer Ahmad Khan
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
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Ali M, Malik K, Zaidi A, Farooq U, Bukhari SM, Majeed Z, Mahnashi MH, Nawazish S, Abdulwahab A, Alshaibari KS. In-vitro high-throughput library screening-Kinetics and molecular docking studies of potent inhibitors of α-glucosidase. PLoS One 2023; 18:e0286159. [PMID: 37390110 PMCID: PMC10313066 DOI: 10.1371/journal.pone.0286159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/09/2023] [Indexed: 07/02/2023] Open
Abstract
High throughput screening of synthetic compounds against vital enzymes is the way forward for the determination of potent enzyme inhibitors. In-vitro high throughput library screening of 258 synthetic compounds (comp. 1-258), was performed against α-glucosidase. The active compounds out of this library were investigated for their mode of inhibition and binding affinities towards α-glucosidase through kinetics as well as molecular docking studies. Out of all the compounds selected for this study, 63 compounds were found active within the IC50 range of 3.2 μM to 50.0 μM. The most potent inhibitor of α-glucosidase out of this library was the derivative of an oxadiazole (comp. 25). It showed the IC50 value of 3.23 ± 0.8 μM. Other highly active compounds were the derivatives of ethyl-thio benzimidazolyl acetohydrazide with IC50 values of 6.1 ± 0.5 μM (comp. 228), 6.84 ± 1.3 μM (comp. 212), 7.34 ± 0.3 μM (comp. 230) and 8.93 ± 1.0 μM (comp. 210). For comparison, the standard (acarbose) showed IC50 = 378.2 ± 0.12 μM. Kinetic studies of oxadiazole (comp. 25) and ethylthio benzimidazolyl acetohydrazide (comp. 228) derivatives indicated that Vmax and Km, both change with changing concentrations of inhibitors which suggests an un-competitive mode of inhibition. Molecular docking studies of these derivatives with the active site of α-glucosidase (PDB ID:1XSK), revealed that these compounds mostly interact with acidic or basic amino acid residues through conventional hydrogen bonds along with other hydrophobic interactions. The binding energy values of compounds 25, 228, and 212 were -5.6, -8.7 and -5.4 kcal.mol-1 whereas RMSD values were 0.6, 2.0, and 1.7 Å, respectively. For comparison, the co-crystallized ligand showed a binding energy value of -6.6 kcal.mol-1 along with an RMSD value of 1.1 Å. Our study predicted several series of compounds as active inhibitors of α-glucosidase including some highly potent inhibitors.
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Affiliation(s)
- Majid Ali
- Department of Chemistry, COMSATS University Islamabad, KPK, Abbottabad, Pakistan
- Department of Chemistry, Higher Education Department, Government Postgraduate College No.1, Abbottabad, KP, Pakistan
| | - Khuram Malik
- Department of Chemistry, COMSATS University Islamabad, KPK, Abbottabad, Pakistan
| | - Asma Zaidi
- Department of Chemistry, COMSATS University Islamabad, KPK, Abbottabad, Pakistan
| | - Umar Farooq
- Department of Chemistry, COMSATS University Islamabad, KPK, Abbottabad, Pakistan
| | - Syed Majid Bukhari
- Department of Chemistry, COMSATS University Islamabad, KPK, Abbottabad, Pakistan
| | - Zahid Majeed
- Faculty of Science, Department of Biotechnology, The University of Azad Jammu and Kashmir, Chehla Campus, Muzaffarabad, Pakistan
| | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Shamyla Nawazish
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
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Kumari S, Saini R, Bhatnagar A, Mishra A. HR-LCMS and evaluation of anti-diabetic activity of Hemidesmus indicus (anantmool): Kinetic study, and molecular modelling approach. Comput Biol Chem 2023; 105:107896. [PMID: 37263051 DOI: 10.1016/j.compbiolchem.2023.107896] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 05/08/2023] [Accepted: 05/20/2023] [Indexed: 06/03/2023]
Abstract
This study delved into the exploration of novel antidiabetic medications acquired from natural resources, utilizing the Ayurvedic Rasayana herb Hemidesmus indicus through cutting-edge chemoprofiling and molecular modelling techniques. The methanolic extract of Hemidesmus indicus root exhibited the highest extractive yield (24.70 ± 0.08 %) and contained substantial levels of total phenolic and flavonoid content as 154.15 ± 1.24 mg Gallic Acid Equivalent/g extract and 70.61 ± 0.35 Quercetin Equivalent/g extract respectively. Invitro study revealed the potent inhibitory potential of methanolic extract of the herb against essential carbohydrate hydrolytic enzymes α-amylase (IC50 = 4.19 ± 0.04 mg/ml) and α-glucosidase (IC50 = 5.78 ± 0.10 mg/ml). Further, the enzyme kinetic study demonstrated the competitive mode of inhibition of both enzymes. HR-LCMS analysis identified the major phytoconstituents present in the extracts, including Solanocapsine, Cyclovirobuxine C, Lucidine B, Zygadenine, Aspidospermidine, silychristin, 3beta-3-Hydroxy-18-lupen-21-one, Manglupenone, and 19-Noretiocholanolone. Molecular docking, molecular dynamic simulation, and MM/GBSA analysis have proved stable, rigid, compact, and folded form of complexes during the entire 100 ns simulation, illustrating Zygadenine, Solanocapsine, and Cyclovirobuxine C as the superior inhibitors of α-A protein, while Zygadenine, Plumieride, and Phlegmarine exhibited greater inhibitory behaviour towards α-G protein than the FDA-approved drug acarbose. Collectively, our findings indicate that the Hemidesmus indicus could be a promising source of α-A and α-G inhibitors, potentially serving as a lead in order to develop medications for type-2 diabetes.
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Affiliation(s)
- Sonali Kumari
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India
| | - Ravi Saini
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India
| | - Aditi Bhatnagar
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India
| | - Abha Mishra
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India.
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Acar Çevik U, Celik I, Paşayeva L, Fatullayev H, Bostancı HE, Özkay Y, Kaplancıklı ZA. New benzimidazole-oxadiazole derivatives: Synthesis, α-glucosidase, α-amylase activity, and molecular modeling studies as potential antidiabetic agents. Arch Pharm (Weinheim) 2023; 356:e2200663. [PMID: 36760015 DOI: 10.1002/ardp.202200663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 02/11/2023]
Abstract
Benzimidazole-1,3,4-oxadiazole derivatives (5a-z) were synthesized and characterized with different spectroscopic techniques such as 1 H NMR, 13 C NMR, and HRMS. The synthesized analogs were examined against α-glucosidase and α-amylase enzymes to determine their antidiabetic potential. Compounds 5g and 5q showed the most activity with 35.04 ± 1.28 and 47.60 ± 2.16 µg/mL when compared with the reference drug acarbose (IC50 = 54.63 ± 1.95 µg/mL). Compounds 5g, 5o, 5s, and 5x were screened against the α-amylase enzyme and were found to show excellent potential, with IC50 values ranging from 22.39 ± 1.40 to 32.07 ± 1.55 µg/mL, when compared with the standard acarbose (IC50 = 46.21 ± 1.49 µg/mL). The antioxidant activities of the effective compounds (5o, 5g, 5s, 5x, and 5q) were evaluated by TAS methods. A molecular docking research study was conducted to identify the active site and explain the functions of the active chemicals. To investigate the most likely binding mode of the substances 5g, 5o, 5q, 5s, and 5x, a molecular dynamics simulation was also carried out.
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Affiliation(s)
- Ulviye Acar Çevik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Ismail Celik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Leyla Paşayeva
- Department of Pharmacognosy, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Hanifa Fatullayev
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Hayrani E Bostancı
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, Sivas, Turkey
| | - Yusuf Özkay
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Zafer A Kaplancıklı
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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Synthesis, Molecular Docking, and Bioactivity Study of Novel Hybrid Benzimidazole Urea Derivatives: A Promising α-Amylase and α-Glucosidase Inhibitor Candidate with Antioxidant Activity. Pharmaceutics 2023; 15:pharmaceutics15020457. [PMID: 36839780 PMCID: PMC9963656 DOI: 10.3390/pharmaceutics15020457] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
A novel series of benzimidazole ureas 3a-h were elaborated using 2-(1H-benzoimidazol-2-yl) aniline 1 and the appropriate isocyanates 2a-h. The antioxidant and possible antidiabetic activities of the target benzimidazole-ureas 3a-h were evaluated. Almost all compounds 3a-h displayed strong to moderate antioxidant activities. When tested using the three antioxidant techniques, TAC, FRAP, and MCA, compounds 3b and 3c exhibited marked activity. The most active antioxidant compound in this family was compound 3g, which had excellent activity using four different methods: TAC, FRAP, DPPH-SA, and MCA. In vitro antidiabetic assays against α-amylase and α-glucosidase enzymes revealed that the majority of the compounds tested had good to moderate activity. The most favorable results were obtained with compounds 3c, 3e, and 3g, and analysis revealed that compounds 3c (IC50 = 18.65 ± 0.23 μM), 3e (IC50 = 20.7 ± 0.06 μM), and 3g (IC50 = 22.33 ± 0.12 μM) had good α-amylase inhibitory potential comparable to standard acarbose (IC50 = 14.21 ± 0.06 μM). Furthermore, the inhibitory effect of 3c (IC50 = 17.47 ± 0.03 μM), 3e (IC50 = 21.97 ± 0.19 μM), and 3g (IC50 = 23.01 ± 0.12 μM) on α-glucosidase was also comparable to acarbose (IC50 = 15.41 ± 0.32 μM). According to in silico molecular docking studies, compounds 3a-h had considerable affinity for the active sites of human lysosomal acid α-glucosidase (HLAG) and pancreatic α-amylase (HPA), indicating that the majority of the examined compounds had potential anti-hyperglycemic action.
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Takhti S, Pordel M, Davoodnia A, Bozorgmehr MR. Imidazo[4′,5′:3,4]Benzo[1,2- e][1,4]Diazepins as New Heterocyclic Systems: Synthesis, Characterization and Their in Vitro Interactions with Benzodiazepine Receptors. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2127800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Samaneh Takhti
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Mehdi Pordel
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran
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K.M. P, C.E. S, P. R, M.N.S. K, K. L, P.A. S, H. R. Synthesis, characterization, antibacterial, antifungal and antithrombotic activity studies of new chiral selenated Schiff bases and their Pd complexes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Expression, Purification, and Comparative Inhibition of Helicobacter pylori Urease by Regio-Selectively Alkylated Benzimidazole 2-Thione Derivatives. Molecules 2022; 27:molecules27030865. [PMID: 35164122 PMCID: PMC8838460 DOI: 10.3390/molecules27030865] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/22/2022] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
The urease enzyme has been an important target for the discovery of effective pharmacological and agricultural products. Thirteen regio-selectively alkylated benzimidazole-2-thione derivatives have been designed to carry the essential features of urease inhibitors. The urease enzyme was isolated from Helicobacter pylori as a recombinant urease utilizing the His-tag method. The isolated enzyme was purified and characterized using chromatographic and FPLC techniques showing a maximal activity of 200 mg/mL. Additionally, the commercial Jack bean urease was purchased and included in this study for comparative and mechanistic investigations. The designed compounds were synthesized and screened for their inhibitory activity against the two ureases. Compound 2 inhibited H. pylori and Jack bean ureases with IC50 values of 0.11; and 0.26 mM; respectively. While compound 5 showed IC50 values of 0.01; and 0.29 mM; respectively. Compounds 2 and 5 were docked against Helicobacter pylori urease (PDB ID: 1E9Y; resolution: 3.00 Å) and exhibited correct binding modes with free energy (ΔG) values of −9.74 and −13.82 kcal mol−1; respectively. Further; the in silico ADMET and toxicity properties of 2 and 5 indicated their general safeties and likeness to be used as drugs. Finally, the compounds’ safety was authenticated by an in vitro cytotoxicity assay against fibroblast cells.
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Li X, Guo T, Feng Q, Bai T, Wu L, Liu Y, Zheng X, Jia J, Pei J, Wu S, Song Y, Zhang Y. Progress of thrombus formation and research on the structure-activity relationship for antithrombotic drugs. Eur J Med Chem 2022; 228:114035. [PMID: 34902735 DOI: 10.1016/j.ejmech.2021.114035] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 11/11/2021] [Accepted: 11/30/2021] [Indexed: 01/07/2023]
Abstract
Many populations suffer from thrombotic disorders such as stroke, myocardial infarction, unstable angina and thromboembolic disease. Thrombus is one of the major threatening factors to human health and the prevalence of cardio-cerebrovascular diseases induced by thrombus is growing worldwide, even some persons got rare and severe blood clots after receiving the AstraZeneca COVID vaccine unexpectedly. In terms of mechanism of thrombosis, antithrombotic drugs have been divided into three categories including anticoagulants, platelet inhibitors and fibrinolytics. Nowadays, a large number of new compounds possessing antithrombotic activities are emerging in an effort to remove the inevitable drawbacks of previously approved drugs such as the high risk of bleeding, a slow onset of action and a narrow therapeutic window. In this review, we describe the causes and mechanisms of thrombus formation firstly, and then summarize these reported active compounds as potential antithrombotic candidates based on their respective mechanism, hoping to promote the development of more effective bioactive molecules for treating thrombotic disorders.
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Affiliation(s)
- Xiaoan Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Tiantian Guo
- College of Food Science and Technology, Northwest University, Xi'an, 710069, China
| | - Qian Feng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Tiantian Bai
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Lei Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Yubo Liu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Xu Zheng
- Shaanxi Institute for Food and Drug, Xi'an, 710000, China
| | - Jianzhong Jia
- Shaanxi Institute for Food and Drug, Xi'an, 710000, China
| | - Jin Pei
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Shaoping Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China.
| | - Yiming Song
- School of Chemical Engineering, Northwest University, 229 Taibai Road, Xi'an, Shaanxi, 710069, China.
| | - Yongmin Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, Xi'an, 710069, China; Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 Place Jussieu, 75005, Paris, France
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Sol-Gel Co-Precipitation Synthesis, Anticoagulant and Anti-Platelet Activities of Copper-Doped Nickel Manganite Nanoparticles. Gels 2021; 7:gels7040269. [PMID: 34940329 PMCID: PMC8701332 DOI: 10.3390/gels7040269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/28/2021] [Accepted: 12/07/2021] [Indexed: 11/16/2022] Open
Abstract
Copper-substituted nickel manganites Ni(1−x)CuxMn2O4 (Ni-TCE-NPs) were produced by co-precipitation route (sol–gel) at room temperature. Ni(1−x)CuxMn2O4-Bio (NCB) NPs were studied by powder X-ray diffraction technique, scanning electron microscopy and Raman spectroscopy. XRD spectra authenticated the copper-doped nickel manganites’ formation with particle size 23–28 nm. A significant decrease in the lattice parameter confirmed the doping of copper ions into the nickel manganites. Microscopy (SEM) was used to estimate the grain size, shape and uniformity, revealing the non-uniform agglomerated polygon and plate-like microstructure. The NCB-NPs showed anticoagulant activity by enhancing the coagulation time of citrated plasma of human beings. NCB-NPs with x = 0.35 and 0.45 have increased clotting time from control 133 ± 4 s to 401 ± 7 s and 3554 ± 80 s, respectively, and others around 134 s. Additionally NCB-NPs with x = 0.35, 0.45 inhibited the platelet aggregation by 80% and 92%, while remaining inhibited with only 30%. NCB-NPs did not show hemolytic activity in RBC cells intimate its non-toxic nature. Finally, NCB-NPs were non-toxic and known to exhibit anti-blood-clotting and antiplatelet activities, which can be used in the field of biomedical applications, especially as antithrombotic agents.
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Brishty SR, Hossain MJ, Khandaker MU, Faruque MRI, Osman H, Rahman SMA. A Comprehensive Account on Recent Progress in Pharmacological Activities of Benzimidazole Derivatives. Front Pharmacol 2021; 12:762807. [PMID: 34803707 PMCID: PMC8597275 DOI: 10.3389/fphar.2021.762807] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 10/01/2021] [Indexed: 12/11/2022] Open
Abstract
Nowadays, nitrogenous heterocyclic molecules have attracted a great deal of interest among medicinal chemists. Among these potential heterocyclic drugs, benzimidazole scaffolds are considerably prevalent. Due to their isostructural pharmacophore of naturally occurring active biomolecules, benzimidazole derivatives have significant importance as chemotherapeutic agents in diverse clinical conditions. Researchers have synthesized plenty of benzimidazole derivatives in the last decades, amidst a large share of these compounds exerted excellent bioactivity against many ailments with outstanding bioavailability, safety, and stability profiles. In this comprehensive review, we have summarized the bioactivity of the benzimidazole derivatives reported in recent literature (2012-2021) with their available structure-activity relationship. Compounds bearing benzimidazole nucleus possess broad-spectrum pharmacological properties ranging from common antibacterial effects to the world's most virulent diseases. Several promising therapeutic candidates are undergoing human trials, and some of these are going to be approved for clinical use. However, notable challenges, such as drug resistance, costly and tedious synthetic methods, little structural information of receptors, lack of advanced software, and so on, are still viable to be overcome for further research.
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Affiliation(s)
- Shejuti Rahman Brishty
- Department of Clinical Pharmacy and Pharmacology, Faculty of Pharmacy, University of Dhaka, Dhaka, Bangladesh
| | - Md. Jamal Hossain
- Department of Pharmacy, State University of Bangladesh, Dhaka, Bangladesh
| | - Mayeen Uddin Khandaker
- Centre for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, Bandar Sunway, Malaysia
| | | | - Hamid Osman
- Department of Radiological Sciences, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
| | - S. M. Abdur Rahman
- Department of Clinical Pharmacy and Pharmacology, Faculty of Pharmacy, University of Dhaka, Dhaka, Bangladesh
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15
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DİK B, COŞKUN D, BAHÇİVAN E, ÜNEY K. Potential antidiabetic activity of benzimidazole derivative albendazole and lansoprazole drugs in different doses in experimental type 2 diabetic rats. Turk J Med Sci 2021; 51:1579-1586. [PMID: 33641315 PMCID: PMC8283501 DOI: 10.3906/sag-2004-38] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 02/27/2021] [Indexed: 11/04/2022] Open
Abstract
Background/aim The aim of this study is to determine the effects of different concentrations of albendazole and lansoprazole, which were benzimidazole derivatives, on endocrinologic and biochemical parameters in experimental type 2 diabetic (T2D) rats. Materials and methods In this study, 46 male Wistar Albino rats were used. Animals were divided as healthy control (0.1 mL/rat/day saline, s.c, n = 6), diabetes control (0.1 mL/rat/day saline, s.c, n = 8), diabetes+low-dose albendazole (5 mg/kg, oral, n = 8), diabetes+high- dose albendazole (10 mg/kg, oral n = 8), diabetes+low-dose lansoprazole (15 mg/kg, subcutaneous, n = 8), and diabetes+high-dose lansoprazole (30 mg/kg, subcutaneous, n = 8). All groups were treated for 8 weeks. The blood samples were analyzed by autoanalyzer and ELISA kits for biochemical and endocrinological parameters, respectively. Results Glucose, HbA1c, triglyceride, low density cholesterol (LDL), leptin, and Homeostatic Model Assessment for insulin resistance (HOMA-IR) levels increased and insulin and HOMA-β levels decreased in the diabetic rats compared to the healthy control group. The glucose, HbA1c, and triglyceride levels were partially decreased; however, insulin and HOMA-β levels were increased by low-dose albendazole therapy. The high dose of lansoprazole treatment increased insulin level. Conclusion The lansoprazole and albendazole treatments can be a potential drug or combined with antidiabetic drugs in T2D treatment by Adenosine 5′-monophosphate activated protein kinase (AMPK), peroxisome proliferator-activated receptor (PPAR), incretin-like effect and other antidiabetic mechanisms. It may be beneficial to create an effective treatment strategy by developing more specific substances with benzimidazole scaffold.
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Affiliation(s)
- Burak DİK
- Department of Pharmacology and Toxicology, Veterinary Faculty, SelÇuk University, KonyaTurkey
| | - Devran COŞKUN
- Department of Pharmacology and Toxicology, Veterinary Faculty, Siirt University, SiirtTurkey
| | - Emre BAHÇİVAN
- Department of Pharmacology and Toxicology, Veterinary Faculty, Kafkas University, KarsTurkey
| | - Kamil ÜNEY
- Department of Pharmacology and Toxicology, Veterinary Faculty, SelÇuk University, KonyaTurkey
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Aroua LM, Almuhaylan HR, Alminderej FM, Messaoudi S, Chigurupati S, Al-Mahmoud S, Mohammed HA. A facile approach synthesis of benzoylaryl benzimidazole as potential α-amylase and α-glucosidase inhibitor with antioxidant activity. Bioorg Chem 2021; 114:105073. [PMID: 34153810 DOI: 10.1016/j.bioorg.2021.105073] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/25/2021] [Accepted: 06/06/2021] [Indexed: 12/23/2022]
Abstract
Synthetic routes to a series of benzoylarylbenzimidazol 3a-h have been derived from 3,4-diaminobenzophenone and an appropriate arylaldehyde in the presence of ammonium chloride or a mixture of ammonium chloride and sodium metabisulfite as catalyst. The antioxidant activity of targeted compounds 3a-h has been measured by four different methods and the overall antioxidant evaluation of the compounds indicated the significant MCA, FRAP, and (DPPH-SA) of the compounds except for the compound 3h. In vitro antidiabetic assay of α-amylase and α-glucosidase suggest a good to excellent activity for most tested compounds. The target benzimidazole 3f containing hydroxyl motif at para-position of phenyl revealed an important activity inhibitor against α- amylase (IC50 = 12.09 ± 0.38 µM) and α-glucosidase (IC50 = 11.02 ± 0.04 µM) comparable to the reference drug acarbose. The results of the anti hyperglycemic activity were supported by means of in silico molecular docking calculations showing strong binding affinity of compounds 3a-h with human pancreatic α-amylase (HPA) and human lysosomal acid-α-glucosidase (HLAG) active sites that confirm a good to excellent activity for most of tested compounds.
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Affiliation(s)
- Lotfi M Aroua
- Department of Chemistry, College of Science, Qassim University, Campus University, King Abdulaziz Road, Al-Malida, 51452-P.O. Box: 6644, Buraydah, Qassim, Saudi Arabia; Laboratory of Organic Structural Chemistry and Macromolecules, Department of Chemistry, Faculty of Sciences of Tunis, Tunis El-Manar University, El Manar I 2092, Tunis, Tunisia; Carthage University, Faculty of Sciences of Bizerte, 7021 Jarzouna, Tunisia.
| | - Hind R Almuhaylan
- Department of Chemistry, College of Science, Qassim University, Campus University, King Abdulaziz Road, Al-Malida, 51452-P.O. Box: 6644, Buraydah, Qassim, Saudi Arabia
| | - Fahad M Alminderej
- Department of Chemistry, College of Science, Qassim University, Campus University, King Abdulaziz Road, Al-Malida, 51452-P.O. Box: 6644, Buraydah, Qassim, Saudi Arabia
| | - Sabri Messaoudi
- Department of Chemistry, College of Science, Qassim University, Campus University, King Abdulaziz Road, Al-Malida, 51452-P.O. Box: 6644, Buraydah, Qassim, Saudi Arabia; Carthage University, Faculty of Sciences of Bizerte, 7021 Jarzouna, Tunisia
| | - Sridevi Chigurupati
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia
| | - Suliman Al-Mahmoud
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia
| | - Hamdoon A Mohammed
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Buraidah 52571, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
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Choudhary S, Arora M, Verma H, Kumar M, Silakari O. Benzimidazole based hybrids against complex diseases: A catalogue of the SAR profile. Eur J Pharmacol 2021; 899:174027. [PMID: 33731294 DOI: 10.1016/j.ejphar.2021.174027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/21/2021] [Accepted: 03/10/2021] [Indexed: 12/12/2022]
Abstract
The fused heterocyclic ring system has been recognized as a privileged structure that is used as a template in medicinal chemistry for drug discovery. Benzimidazole is one of the common scaffolds found in several natural products such as histidine, purines, and an integral part of vitamin B12. This hetero-aromatic bicyclic ring system acts as a pharmacophore in various drugs of therapeutic interest and has a broad spectrum of activity. Literature reports suggest that diversely substituted benzimidazoles possess distinct pharmacological profiles with multi-targeting potential, thereby, an indispensable anchor for the development of novel therapeutic agents against complex diseases such as cancer, malaria, inflammatory disorders, microbial diseases, hypertension, etc. Thus, lots of efforts have been diverted towards exploring the therapeutic potential of benzimidazoles. Despite great efforts made by the research community, still, some multi-factorial diseases continue to progress due to their complex pathophysiology. Under these sets of circumstances, there is a need to explore this nucleus for hybrid designing with multi-targeting potential against complex diseases. Benzimidazole-based hybrids have been reported to treat multifactorial diseases, making it a scaffold of interest for various pharmaceutical companies and research groups. In this write-up, we shed light on the recent pharmacological profiles, various designing strategies, and structure-activity relationships (SAR) of different benzimidazole-based hybrids.
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Affiliation(s)
- Shalki Choudhary
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
| | - Mohit Arora
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
| | - Himanshu Verma
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
| | - Manoj Kumar
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India
| | - Om Silakari
- Molecular Modelling Lab (MML), Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India.
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Dib M, Ouchetto H, Ouchetto K, Hafid A, Khouili M. Recent Developments of Quinoline Derivatives and their Potential Biological Activities. Curr Org Synth 2020; 18:248-269. [PMID: 33327918 DOI: 10.2174/1570179417666201216162055] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/23/2020] [Accepted: 11/02/2020] [Indexed: 11/22/2022]
Abstract
Heterocyclic compounds containing the quinoline ring play a significant role in organic synthesis and therapeutic chemistry. Polyfunctionalized quinolines have attracted the attention of many research groups, especially those who work on drug discovery and development. These derivatives have been widely explored by the research biochemists and are reported to possess wide biological activities. This review focuses on the recent progress in the synthesis of heterocyclic compounds based-quinoline and their potential biological activities.
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Affiliation(s)
- Mustapha Dib
- Laboratoire de Chimie Organique et Analytique, Equipe de Chimie Organique et Organometallique Appliquees, Faculte des Sciences et Techniques, Universite Sultan Moulay Slimane, BP 523, 23000 Beni-Mellal, Morocco
| | - Hajiba Ouchetto
- Laboratoire de Chimie Organique et Analytique, Equipe de Chimie Organique et Organometallique Appliquees, Faculte des Sciences et Techniques, Universite Sultan Moulay Slimane, BP 523, 23000 Beni-Mellal, Morocco
| | - Khadija Ouchetto
- Laboratoire de Chimie Organique et Analytique, Equipe de Chimie Organique et Organometallique Appliquees, Faculte des Sciences et Techniques, Universite Sultan Moulay Slimane, BP 523, 23000 Beni-Mellal, Morocco
| | - Abderrafia Hafid
- Laboratoire de Chimie Organique et Analytique, Equipe de Chimie Organique et Organometallique Appliquees, Faculte des Sciences et Techniques, Universite Sultan Moulay Slimane, BP 523, 23000 Beni-Mellal, Morocco
| | - Mostafa Khouili
- Laboratoire de Chimie Organique et Analytique, Equipe de Chimie Organique et Organometallique Appliquees, Faculte des Sciences et Techniques, Universite Sultan Moulay Slimane, BP 523, 23000 Beni-Mellal, Morocco
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19
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Dalavai R, Gomathi K, Naresh K, Nawaz Khan FR. One-Pot Synthesis of Quinolinyl Amino Nitriles and Their Antidiabetic, Anti-inflammatory, Antioxidant, and Molecular Docking Studies. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1791917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Ramesh Dalavai
- Organic and Medicinal Chemistry Laboratory, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Kannayiram Gomathi
- Department of Biotechnology, Dr. MGR Educational Research Institute, Chennai Tamil Nadu, India
| | - K. Naresh
- Department of Pharmaceutical and Medicinal Chemistry, G. Pulla Reddy College of Pharmacy, Hyderabad, Telangana, India
| | - Fazlur-Rahman Nawaz Khan
- Organic and Medicinal Chemistry Laboratory, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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20
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Mugaranja KP, Kulal A. Alpha glucosidase inhibition activity of phenolic fraction from Simarouba glauca: An in-vitro, in-silico and kinetic study. Heliyon 2020; 6:e04392. [PMID: 32671273 PMCID: PMC7350133 DOI: 10.1016/j.heliyon.2020.e04392] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/31/2020] [Accepted: 07/01/2020] [Indexed: 01/18/2023] Open
Abstract
A phenolic rich fraction purified from Simarouba glauca leaves was effective in alpha glucosidase inhibition. The purified fraction named 'fraction-14' had shown significant inhibition of yeast alpha glucosidase enzyme activity (IC50 = 2.4 ± 0.4 μg/mL) when compared to anti-diabetic drug acarbose (IC50 = 2450 ± 24 μg/mL). The purified fraction also had reasonable DPPH (IC50 = 14.4 ± 0.1 μg/mL) and ABTS (IC50 = 7.6 ± 0.5 μg/mL) free radical scavenging activity when compared to the standard ascorbic acid. The LC-MS analysis of bioactive 'fraction-14' revealed four compounds, eclalbasaponin-v (1), cyanidin-3-O-(2'galloyl)-galactoside (2), kaempferol-3-O-glucoside (3) and kaempferol-3-O-pentoside (4) for the first time in S. glauca in this study. The kinetic study of the 'fraction-14' indicates a mixed type of inhibition on the alpha glucosidase enzyme with K i , 6.2 μg/mL. Docking studies showed promising binding energy for the compounds 2 (-7.769 kJ/mol), 3 (-7.04 kJ/mol) and 4 (-7.127 kJ/mol) against yeast alpha glucosidase which was better than acarbose (-6.867 kJ/mol). In conclusion, the phenolic rich fraction from S. glauca possessing good in-vitro antioxidant property and alpha glucosidase enzyme inhibition potential along with mixed inhibition kinetics. Also, better binding energy of compounds (1, 2 & 3) appears to contain potential lead-molecule for antidiabetic therapy.
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Affiliation(s)
- Kirana P. Mugaranja
- Biological Sciences Division, Poornaprajna Institute of Scientific Research, Bidalur Post, Devanahalli, Bangalore Rural, 562110, India
- Manipal Academy of Higher Education, Manipal, 576104, India
| | - Ananda Kulal
- Biological Sciences Division, Poornaprajna Institute of Scientific Research, Bidalur Post, Devanahalli, Bangalore Rural, 562110, India
- Corresponding author.
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Abdel-Motaal M, Almohawes K, Tantawy MA. Antimicrobial evaluation and docking study of some new substituted benzimidazole-2yl derivatives. Bioorg Chem 2020; 101:103972. [PMID: 32506017 DOI: 10.1016/j.bioorg.2020.103972] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/11/2020] [Accepted: 05/23/2020] [Indexed: 12/25/2022]
Abstract
Benzimidazoles incorporated biologically active heterocycles such as quinoline, triazine-3-thione, thiazole and thiadiazole, were synthesized utilizing 2-acetylbenzimidazole as a building block. The structures of the newly synthesized benzimidazoles were assured by their spectral data (IR, 1H NMR, 13C- NMR and MS spectra). Most of the synthesized candidates were screened for their in vitro antimicrobial activity against Staphylococcus aureus, Escherichia coli, Bacillus pumilus and antifungal activity against (Saccharomyces cerevisiae). As a result, 2-(2-(1-(1H-benzo[d]imidazol-2-yl)ethylidene)hydrazineyl)-5-(furan-2-yl)-1,3,4-thiadiazole (14) had the most potent inhibitory activity against all tested bacteria with no antifungal inhibition. Furthermore, to gain insight into the mode of action of the synthesized compounds as antibacterial agents, docking studies were performed for the synthesized compounds in order to evaluate their activity as anti-bacterial agents. Virtual screening of the most promising compounds was performed against two bacterial proteins (DNA gyrase subunit B, and penicillin binding protein 1a) that are known targets for some antibiotics.
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Affiliation(s)
- Marwa Abdel-Motaal
- Chemistry Department, College of Science, Qassim University, Qassim, Buraydah, Saudi Arabia; Chemistry Department, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt.
| | - Khozama Almohawes
- Chemistry Department, College of Science, Qassim University, Qassim, Buraydah, Saudi Arabia
| | - Mohamed A Tantawy
- Hormones Department, Medical Research Division, National Research Centre, Dokki, Giza, 12622, Egypt; Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Giza 12622, Egypt
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22
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Vargas-Oviedo D, Butassi E, Zacchino S, Portilla J. Eco-friendly synthesis and antifungal evaluation of N-substituted benzimidazoles. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02575-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Rafiq M, Khalid M, Tahir MN, Ahmad MU, Khan MU, Naseer MM, Braga AAC, Muhammad S, Shafiq Z. Synthesis, XRD, spectral (IR, UV–Vis, NMR) characterization and quantum chemical exploration of benzoimidazole‐based hydrazones: A synergistic experimental‐computational analysis. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5182] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Muhammad Rafiq
- Institute of Chemical SciencesBahauddin Zakariya University Multan 60800 Pakistan
| | - Muhammad Khalid
- Department of ChemistryKhwaja Fareed University of Engineering & Information Technology Rahim Yar Khan‐64200 Pakistan
| | | | - Muhammad Umair Ahmad
- Institute of Chemical SciencesBahauddin Zakariya University Multan 60800 Pakistan
| | - Muhammad Usman Khan
- Department of Applied ChemistryGovernment College University Faisalabad 38000 Pakistan
| | | | - Ataualpa Albert Carmo Braga
- Departamento de Química Fundamental, Instituto de QuímicaUniversidade de São Paulo Avenida Professor LineuPrestes, 748 São Paulo 05508‐000 Brazil
| | - Shabbir Muhammad
- Department of Physics, College of ScienceKing Khalid University Abha 61413 P.O. Box 9004 Saudi Arabia
| | - Zahid Shafiq
- Institute of Chemical SciencesBahauddin Zakariya University Multan 60800 Pakistan
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S.S. D, M.B. M, M.N. SK, Golla R, P. RK, S. D, Hosamani R. Antimicrobial, anticoagulant and antiplatelet activities of green synthesized silver nanoparticles using Selaginella (Sanjeevini) plant extract. Int J Biol Macromol 2019; 131:787-797. [DOI: 10.1016/j.ijbiomac.2019.01.222] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/16/2019] [Accepted: 01/16/2019] [Indexed: 12/27/2022]
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