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Laha B, Tiwari AR, Gravel E, Doris E, Namboothiri INN. The Michael donor-acceptor reactivity of curcumins in the synthesis of diverse multi-functional scaffolds. Org Biomol Chem 2024; 22:1346-1359. [PMID: 38268394 DOI: 10.1039/d3ob01734f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Curcumin is a key constituent of turmeric with a variety of biological activities. From a chemical point of view, curcumin contains different functional groups that can undergo multiple transformations such as Michael addition, cycloaddition, click reaction, polymerisation, etc. Among these, Michael-type reactions under benign conditions constitute a captivating domain of curcumin's reactivity. To the best of our knowledge, no review focusing on the Michael donor-acceptor reactivity of curcumins has been published to date. Herein, we have compiled the chemistry of curcumins with respect to their chemical synthesis, biosynthesis, and involvement in chemical transformations, especially in Michael additions with advances in mechanistic aspects and understanding.
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Affiliation(s)
- Banamali Laha
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
| | - Abhishek R Tiwari
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
| | - Edmond Gravel
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
| | - Eric Doris
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
| | - Irishi N N Namboothiri
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France.
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2
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Nguyen HT, Tuan AN, Thi TAD, Van KT, Le-Nhat-Thuy G, Thi PH, Thi QGN, Thi CB, Quang HT, Van Nguyen T. Synthesis, in vitro Α-Glucosidase, and acetylcholinesterase inhibitory activities of novel Indol-Fused Pyrano[2,3-D]Pyrimidine compounds. Bioorg Med Chem Lett 2024; 98:129566. [PMID: 38008338 DOI: 10.1016/j.bmcl.2023.129566] [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: 09/01/2023] [Revised: 11/07/2023] [Accepted: 11/22/2023] [Indexed: 11/28/2023]
Abstract
In this study, new indol-fused pyrano[2,3-d]pyrimidines were designed and synthesized. These products were obtained in moderate to good yields and their structures were assigned by NMR, MS, and IR analysis. Afterwards, the biological important of the products was highlighted by evaluating in vitro for α-glucosidase inhibitory activity as well as acetylcholinesterase (AChE) inhibitory activity. Eleven products revealed substantial inhibitory activity against α-glucosidase enzyme, among which, two most potent products 11d,e were approximately 93-fold more potent than acarbose as a standard antidiabetic drug. Besides that, product 11k exhibited good AChE inhibition. The substituents on the 5-phenyl ring, attached to the pyran ring, played a critical role in inhibitory activities. The biological potencies have provided an opportunity to further investigations of indol-fused pyrano[2,3-d]pyrimidines as potential anti-diabetic agents.
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Affiliation(s)
- Ha Thanh Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam.
| | - Anh Nguyen Tuan
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Tuyet Anh Dang Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Ket Tran Van
- Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Military Technology Academy, 236 Hoang Quoc Viet, Bac Tu Liem, Hanoi, Vietnam
| | - Giang Le-Nhat-Thuy
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Phuong Hoang Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Quynh Giang Nguyen Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Cham Ba Thi
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Hung Tran Quang
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Tuyen Van Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
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3
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Patel P, Shah D, Bambharoliya T, Patel V, Patel M, Patel D, Bhavsar V, Padhiyar S, Patel B, Mahavar A, Patel R, Patel A. A Review on the Development of Novel Heterocycles as α-Glucosidase Inhibitors for the Treatment of Type-2 Diabetes Mellitus. Med Chem 2024; 20:503-536. [PMID: 38275074 DOI: 10.2174/0115734064264591231031065639] [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: 06/10/2023] [Revised: 07/30/2023] [Accepted: 09/08/2023] [Indexed: 01/27/2024]
Abstract
One of the most effective therapeutic decencies in the treatment of Type 2 Diabetes Mellitus is the inhibition of α-glucosidase enzyme, which is present at the brush border of the intestine and plays an important role in carbohydrate digestion to form mono-, di-, and polysaccharides. Acarbose, Voglibose, Miglitol, and Erniglitate have been well-known α-glucosidase inhibitors in science since 1990. However, the long synthetic route and side effects of these inhibitors forced the researchers to move their focus to innovate simple and small heterocyclic scaffolds that work as excellent α-glucosidase inhibitors. Moreover, they are also effective against the postprandial hyperglycemic condition in Type 2 Diabetes Mellitus. In this aspect, this review summarizes recent progress in the discovery and development of heterocyclic molecules that have been appraised to show outstanding inhibition of α-glucosidase to yield positive effects against diabetes.
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Affiliation(s)
- Prexa Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
| | - Drashti Shah
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
| | | | - Vidhi Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
| | - Mehul Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
| | - Dharti Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
| | | | | | | | - Anjali Mahavar
- Chandaben Mohanbhai Patel Institute of Computer Application, Charotar University of Science and Technology, CHARUSAT-Campus, Changa, Gujarat, India
| | - Riddhisiddhi Patel
- Department of Pharmaceutical Science, Saurashtra University, Rajkot, Gujarat, India
| | - Ashish Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, India
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Hootifard G, Sheikhhosseini E, Ahmadi SA, Yahyazadehfar M. Synthesis and characterization of Co-MOF@Ag 2O nanocomposite and its application as a nano-organic catalyst for one-pot synthesis of pyrazolopyranopyrimidines. Sci Rep 2023; 13:17500. [PMID: 37840041 PMCID: PMC10577138 DOI: 10.1038/s41598-023-44667-6] [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: 05/09/2023] [Accepted: 10/11/2023] [Indexed: 10/17/2023] Open
Abstract
In this study, a Co-MOF was synthesized via a co-precipitation procedure and then used as support for stabilizing Ag ions and producing Co-MOF@Ag2O nanocomposite by microwave irradiation. The characterization of synthesized Co-MOF@Ag2O nanocomposite was performed by using different techniques such as field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray (EDX) analyses, X-ray diffraction (XRD), Thermogravimetric analysis (TGA), Brunauer-Emmett-Teller (BET) and Fourier-transform infrared (FT-IR). The prepared Co-MOF@Ag2O nanocomposite was applied as a heterogeneous nano-catalyst in the synthesis of pyrazolopyranopyrimidines in water at 50 °C via the one-pot multicomponent reaction of ethyl acetoacetate, hydrazine hydrate, aromatic aldehydes and barbituric acid derivatives. Through this straightforward and effective protocol, different tricyclic fused pyrazolopyranopyrimidines were synthesized at high yields, and short reaction times, through an uncomplicated work-up process with no by-product. The Co-MOF@Ag2O nanocomposite has been effectively recycled for four consecutive cycles without appreciable loss in its activity. Cost-effectiveness, no need for column chromatography, mild conditions, catalyst recyclability, and eco-friendly nature make it a promising candidate compared to other methods.
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Affiliation(s)
- Ghader Hootifard
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
| | | | - Sayed Ali Ahmadi
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
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Kazempour-Dizaji M, Mojtabavi S, Sadri A, Ghanbarpour A, Faramarzi MA, Navidpour L. Arylureidoaurones: Synthesis, in vitro α-glucosidase, and α-amylase inhibition activity. Bioorg Chem 2023; 139:106709. [PMID: 37442042 DOI: 10.1016/j.bioorg.2023.106709] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/14/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
Because of the colossal global burden of diabetes, there is an urgent need for more effective and safer drugs. We designed and synthesized a new series of aurone derivatives possessing phenylureido or bis-phenylureido moieties as α-glucosidase and α-amylase inhibitors. Most of the synthesized phenylureidoaurones have demonstrated superior inhibition activities (IC50s of 9.6-339.9 μM) against α-glucosidase relative to acarbose (IC50 = 750.0 μM) as the reference drug. Substitution of aurone analogues with two phenylureido substituents at the 5-position of the benzofuranone moiety and the 3' or 4' positions of the 2-phenyl ring resulted in compounds with almost 120-180 times more potent inhibitory activities than acarbose. The aurone analogue possessing two phenylureido substitutions at 5 and 4' positions (13) showed the highest inhibition activity with an IC50 of 4.2 ± 0.1 μM. Kinetic studies suggested their inhibition mode to be competitive. We also investigated the binding mode of the most potent compounds using the consensually docked 4D-QSAR methodology. Furthermore, these analogues showed weak-to-moderate non-competitive inhibitory activity against α-amylase. 5-Methyl substituted aurone with 4'-phenylureido moiety (6e) demonstrated the highest inhibition activity on α-amylase with an IC50 of 142.0 ± 1.6 μM relative to acarbose (IC50 = 108 ± 1.2 μM). Our computational studies suggested that these analogues interact with a hydrophilic allosteric site in α-amylase, located far from the enzyme active site at the N-terminal.
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Affiliation(s)
- Mohammad Kazempour-Dizaji
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 14176, Iran
| | - Somayeh Mojtabavi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 14176, Iran
| | - Arash Sadri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 14176, Iran; Interdisciplinary Neuroscience Research Program, Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran; Lyceum Scientific Charity, Iran
| | - Araz Ghanbarpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 14176, Iran
| | - Mohammad Ali Faramarzi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 14176, Iran
| | - Latifeh Navidpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 14176, Iran.
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6
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Nguyen NH, Duong TH, Truong Nguyen H, Vu YT, Tran TMD, Ho TTV, Mai CC, Mai DT, Nguyen HC, Thuy Le H, Pham DD. New Halogenated Flavonoids from Adenosma bracteosum and Vitex negundo and Their α-Glucosidase Inhibition. Chem Biodivers 2023; 20:e202300390. [PMID: 37293748 DOI: 10.1002/cbdv.202300390] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
Adenosma bracteosum and Vitex negundo are natural sources of methoxylated flavonoids. Little is known about the α-glucosidase inhibition of multi-methoxylated flavonoid derivatives. Eighteen natural flavonoids were isolated from A. bracteosum and V. negundo. Seven halogenated derivatives were synthesized. Their chemical structures were elucidated by extensive NMR analysis and high-resolution mass spectroscopy as well as comparisons in literature. All compounds were evaluated for their α-glucosidase inhibition. Most compounds showed good activity with IC50 values ranging from 16.7 to 421.8 μM. 6,8-Dibromocatechin was the most active compound with an IC50 value of 16.7 μM. A molecular docking study was conducted, indicating that those compounds are potent α-glucosidase inhibitors.
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Affiliation(s)
- Ngoc-Hong Nguyen
- CirTech Institute, HUTECH University, 475 A Dien Bien Phu Street, Binh Thanh District, Ho Chi Minh City, 72300, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 72700, Vietnam
| | - Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, 72900, Vietnam
| | - Y Thien Vu
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, 72900, Vietnam
| | - Thi-Minh-Dinh Tran
- Department of Biology, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 72700, Vietnam
| | - Thi-Thanh-Van Ho
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 72700, Vietnam
| | - Chi-Cong Mai
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 72700, Vietnam
| | - Dinh-Tri Mai
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, 122000, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, 1A TL29 Street, Thanh Loc ward, District 12, Ho Chi Minh City, Vietnam
| | - Hoang-Chuong Nguyen
- Faculty of Biology-Biotechnology, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, 72711, Vietnam
| | - Huong Thuy Le
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, 72900, Vietnam
| | - Duc-Dung Pham
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 72700, Vietnam
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ANANDHAN B, SUMATHI T, SIVAKUMAR P, KAMATCHI S. SYNTHESIS, MOLECULAR STRUCTURE AND MULTIPLE BIOLOGICAL ACTIVITIES OF β-CYCLOKETOLS USING METHYLAMINE CATALYST. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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8
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Kondabanthini S, Akshinthala P, Katari NK, Srimannarayana M, Gundla R, Kapavarapu R, Pal M. A rapid synthesis of 5-substituted 7-amino-6-cyano-1,5-dihydro-1H-pyrano[2,3-d]pyrimidine-2,4(3H)-diones and their in silico / evaluation against SIRT1. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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9
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Ezati M, Ghavamipour F, Hassan Yazdi MM, Sadrjavadi K, H Sajedi R, Adibi H, Khodarahmi R. Synthesis, in silico, in vitro and in vivo studies of novel natural-based arylidenes curcumin as potential glycohydrolase digestive enzymes inhibitors. J Biomol Struct Dyn 2023; 41:12686-12702. [PMID: 36755431 DOI: 10.1080/07391102.2023.2175372] [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: 04/04/2022] [Accepted: 01/05/2023] [Indexed: 02/10/2023]
Abstract
Diabetes is one of the most common metabolic diseases in humans and the use of herbal medicines is of great clinical importance to inhibit carbohydrate-hydrolyzing enzymes and reduce blood glucose levels in diabetic patients. Inhibition of glycosidase activity is an effective way to treat and prevent diabetes. Therefore, in this study, curcumin-based benzaldehyde derivatives were synthesized and used as influential agents in the treatment of diabetes with inhibitory properties against two carbohydrate-hydrolyzing enzymes α-glucosidase (α-Glu) and α-amylase (α-Amy) as significant therapeutic targets for reducing postprandial hyperglycemia. Overall, the findings showed that due to the specific inhibitory activity against α-Glu in comparison with α-Amy, as well as more stability and antioxidant activity than curcumin, C5 and C8 derivatives are potentially important anti-diabetic drugs, not only to decrease glycemic index but also to limit the activity of the main production pathways of reactive oxygen species (ROS) in diabetic patients.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohammad Ezati
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fahimeh Ghavamipour
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Komail Sadrjavadi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Hadi Adibi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Ezati M, Ghavamipour F, Adibi H, Pouraghajan K, Arab SS, Sajedi RH, Khodarahmi R. Design, synthesis, spectroscopic characterizations, antidiabetic, in silico and kinetic evaluation of novel curcumin-fused aldohexoses. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 285:121806. [PMID: 36108405 DOI: 10.1016/j.saa.2022.121806] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/21/2022] [Accepted: 08/27/2022] [Indexed: 06/15/2023]
Abstract
Curcumin (bis-α,β-unsaturated β-diketone) plays an important role in the prevention of numerous diseases, including diabetes. Curcumin, as an enzyme inhibitor, has ideal structural properties including hydrophobic nature, flexible backbone, and several available hydrogen bond (H-bond) donors and acceptors. In this study, curcumin-fused aldohexose derivatives 3(a-c) were synthesized and used as influential agents in the treatment of diabetes with inhibitory properties against two carbohydrate-hydrolyzing enzymes α-glucosidase (α-Gls) and α-amylase (α-Amy) which are known to be significant therapeutic targets for the reduction of postprandial hyperglycemia. These compounds were isolated, purified, and then spectrally characterized via FT-IR, Mass, 1H, and 13C NMR, which strongly confirmed the targeted product's formation. Also, their inhibitory properties against α-Gls and α-Amy were evaluated spectroscopically. The Results indicated that all compounds strongly inhibited α-Amy and α-Gls by mixed and competitive mechanisms, respectively. The intrinsic fluorescence of α-Amy was quenched by the interaction with compounds 1 and 3b through a dynamic quenching mechanism, and the 1 and 3b/α-Amy complexes were spontaneously formed, mainly driven by the hydrophobic interaction and hydrogen bonding. Fourier transform infrared spectra (FT-IR) comprehensively verified that the binding of compounds 1 and 3b to α-Amy would change the conformation and microenvironment of α-Amy, thereby inhibiting the enzyme activity. Docking and molecular dynamics (MD) simulations showed that all compounds interacted with amino acid residues located in the active pocket site of the proteins. In vivo studies confirmed the plasma glucose diminution after the administration of compound 3b to Wistar rats. Accordingly, the results of the current work may prompt the scientific communities to investigate the possibility of compound 3b application in the clinic.
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Affiliation(s)
- Mohammad Ezati
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Fahimeh Ghavamipour
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Hadi Adibi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Khadijeh Pouraghajan
- Bioinformatics Laboratory, Department of Biology, School of Sciences, Razi University, Kermanshah, Iran
| | - Seyed Shahriar Arab
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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11
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Ultrasound-Assisted and One-Pot Synthesis of New Fe3O4/Mo-MOF Magnetic Nano Polymer as a Strong Antimicrobial Agent and Efficient Nanocatalyst in the Multicomponent Synthesis of Novel Pyrano[2,3-d]pyrimidines Derivatives. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02514-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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12
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Toan VN, Thanh ND, Huyen LT, Hanh NT, Hai DS, Anh HH, Giang NTK, Van HTK. Design, Synthesis, α-Amylase/α-Glucosidase Inhibition Assay, Induced Fit Docking Study of New Hybrid Compounds Containing 4H-Pyrano[2,3-d]pyrimidine, 1H-1,2,3-Triazole and D-Glucose Components. Chem Biodivers 2022; 19:e202200680. [PMID: 36408921 DOI: 10.1002/cbdv.202200680] [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: 07/21/2022] [Accepted: 11/21/2022] [Indexed: 11/22/2022]
Abstract
In this study, the click chemistry between N-propargyl derivatives of substituted 4H-pyrano[2,3-d]pyrimidines and tetra-O-acetyl-α-d-glucopyranosyl azide carried out under catalytic conditions using catalyst CuI@Montmorillonite and additive N,N-diisopropylethylamine (DIPEA). The yields of obtained hybrid compounds having 4H-pyrano[2,3-d]pyrimidine connected to 1H-1,2,3-triazole rings were about 85-94 %. All these synthesized hybrid compounds were examined for in vitro α-amylase (with IC50 values in the range of 103.63±1.13 μM to 295.45±1.11 μM) and α-glucosidase (with IC50 values in the range of 45.63±1.14 μM to 184.52±1.15) inhibitory activity. Amongst this series, ethyl ester 8m showed the best inhibitory activity against α-amylase with IC50 of 103.63±1.13 μM, while ethyl ester 8t exhibited the highest activity against α-glucosidase with IC50 of 45.63±1.14 μM. The kinetics of the inhibition of compound 8t showed the competitive α-glucosidase inhibitor property of this compound. Furthermore, the most potent compounds had any cytotoxicity against human normal cells. Induced fit docking and molecular dynamics simulation calculations indicated that the inhibition potential compounds 8m and 8t had the active interactions with the residues in receptors of corresponding tested enzymes. The calculated binding free energy from MM-GBSA approach showed that the major energy components contributed to the active binding of these studied inhibitors, including Coulomb, lipophilic and van der Waals energy. Further, 300 ns MD simulation showed that studied ligand-protein complexes were stable and indicated the structural observations into mode of binding in these complexes.
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Affiliation(s)
- Vu Ngoc Toan
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam.,Institute of New Technology, Academy of Military Science and Technology, Ministry of Defence, 17 Hoang Sam, Cau Giay, Ha Noi, Viet Nam
| | - Nguyen Dinh Thanh
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam
| | - Le Thi Huyen
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam
| | - Nguyen Thi Hanh
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam
| | - Do Son Hai
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam.,Institute of Science and Technology, Ministry of Public Security of Vietnam, 47 Pham Van Dong, Cau Giay, Ha Noi, Viet Nam
| | - Hoang Huu Anh
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam
| | - Nguyen Thi Kim Giang
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam.,Institute of Science and Technology, Ministry of Public Security of Vietnam, 47 Pham Van Dong, Cau Giay, Ha Noi, Viet Nam
| | - Hoang Thi Kim Van
- Faculty of Chemistry, University of Science (Vietnam National University, Hanoi), 19 Le Thanh Tong, Hoan Kiem, Ha Noi, Viet Nam.,Faculty of Chemical Technology, Viet Tri University of Industry, Tien Kien, Lam Thao, Phu Tho, Viet Nam
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13
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Bashar BS, Kareem HA, Hasan YM, Ahmad N, Alshehri AM, Al-Majdi K, Hadrawi SK, AL Kubaisy MMR, Qasim MT. Application of novel Fe3O4/Zn-metal organic framework magnetic nanostructures as an antimicrobial agent and magnetic nanocatalyst in the synthesis of heterocyclic compounds. Front Chem 2022; 10:1014731. [PMID: 36300031 PMCID: PMC9589061 DOI: 10.3389/fchem.2022.1014731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/20/2022] [Indexed: 11/25/2022] Open
Abstract
Using the microwave-assisted method, novel Fe3O4/Zn-metal organic framework magnetic nanostructures were synthesized. The crystallinity, thermal stability, adsorption/desorption isotherms, morphology/size distribution, and magnetic hysteresis of synthesized Fe3O4/Zn-metal organic framework magnetic nanostructures were characterized by XRD patterns, TGA curve, BET adsorption/desorption technique, SEM image, and VSM curve, respectively. After confirming the Fe3O4/Zn-metal organic framework magnetic nanostructures, its antimicrobial properties against Gram-positive bacterial, Gram-negative bacterial, and fungal strains based on minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and minimum fungicidal concentration (MFC) values were studied. The MIC values in antimicrobial activity for Gram-positive and Gram-negative bacterial strains, between 16–128 μg/ml, and for fungal strain, 128 μg/ml were observed. The results showed that the high specific surface area of Fe3O4/Zn-metal organic framework magnetic nanostructures caused the antimicrobial power of nanoparticles to be high, and the observed antimicrobial effects were higher than some known commercial antimicrobial drugs. Another advantage of the specific surface area of Fe3O4/Zn-metal organic framework magnetic nanostructures was its high catalytic properties in the three-component reaction of isatin, malononitrile, and dimedone. New spiro [indoline-pyranopyrimidines] derivatives were synthesized with high efficiency. The catalytic activity results of Fe3O4/Zn-metal organic framework magnetic nanostructures showed that, in addition to recyclability, derivatives could be synthesized in less time than previously reported methods. The results of investigating the catalytic activity of Fe3O4/Zn-metal organic framework magnetic nanostructures showed that the spiro [indoline-pyranopyrimidines] derivatives were synthesized in the time range of 10–20 min with an efficiency of over 85%. As a final result, it can be concluded that the microwave synthesis method improves the unique properties of magnetic nanostructures, especially its specific surface area, and has increased its efficiency.
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Affiliation(s)
- Bashar S. Bashar
- Department of Computing Technologies Engineering, Al-Nisour University College, Baghdad, Iraq
| | - Hawraa A. Kareem
- Anesthesia Techniques Department, Al-Mustaqbal University College, Babylon, Iraq
| | | | - Nafis Ahmad
- Department of Physics, College of Science, King Khalid University, Abha, Saudi Arabia
| | - A. M. Alshehri
- Department of Physics, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Kadhum Al-Majdi
- Department of Biomedical Engineering, Ashur University College, Baghdad, Iraq
- *Correspondence: Kadhum Al-Majdi,
| | - Salema K. Hadrawi
- Refrigeration and Air-conditioning Technical Engineering Department, College of Technical Engineering, The Islamic University, Najaf, Iraq
| | | | - Maytham T. Qasim
- Department of Anesthesia, College of Health and Medical Technology, Al-Ayen University, Thi-Qar, Iraq
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14
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Akbarian M, Bahmani M, Chen SH, Yousefi R, Mohammadi-Samani S, Tayebi L, Panahi F, Farjadian F. Mechanisms behind the Fibrillation and Toxicity of Insulin Fibrils on Neuron Cells by Engineered Curcumin Analogs. ACS Chem Neurosci 2022; 13:2613-2631. [PMID: 35969719 DOI: 10.1021/acschemneuro.2c00209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Among foods, the use of plant derivatives as promising drugs and/or excipients has been considered from various perspectives. In the present study, curcumin, which is one of the most important plant derivatives for biological uses, and four curcumin-based pyrido[2,3-d]pyrimidine analogs (C2-C5) were used for investigating the mechanism of insulin fibrillation and evaluating the cytotoxicity of insulin fibrils. The synthesized analogs differed in terms of hydrophobicity and electrostatic charge. The analogs with more hydrophobicity (C1 and C4) in both acidic and neutral environments were able to reduce the rate of insulin fibrillation and the degree of cross-linking in the produced fibrils. Additionally, the toxicity of these fibrils for neural cells (N2a cell line) was very low. However, they did not show any significant effects on the toxicity of non-neural cells (HEK293 cell line), indicating the effect of the biochemical surface diversity on determining the vulnerability to fibrils and even the mechanism of action of additives on cell line survival. Although negatively charged analogs were able to reduce insulin fibrillation in the acidic environment, they indicated an opposite effect in the neutral environment. The resultant fibrils in the acidic medium appeared with a well-distinguished filament, but they were very close at neutral pH levels. Moreover, such fibrils indicated very poor toxicity against the N2a cell line and had no significant effects on HEK293 cells. Considering the docking studies, by creatively using the size exclusion chromatography, it was suggested that analogs C2 and C3 were capable of binding to the C-terminal end of the insulin B chain (low affinity) and HisB10 (high affinity). Hence, it was suggested that different compounds could play different protecting and/or destroying roles in cell toxicity by blocking some ligands at the surface of neuron cells.
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Affiliation(s)
- Mohsen Akbarian
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran.,Department of Pharmaceutics, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran.,Department of Chemistry, National Cheng Kung University, Tainan701, Taiwan
| | - Marzieh Bahmani
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran.,Department of Science, Medicine and Health, School of Chemistry and Molecular Bioscience, University of Wollongong, NSW, Wollongong2522, Australia
| | - Shu-Hui Chen
- Department of Chemistry, National Cheng Kung University, Tainan701, Taiwan
| | - Reza Yousefi
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran1417466191, Iran.,Protein Chemistry Laboratory, Department of Biology, College of Sciences, Shiraz University, Shiraz7193371, Iran
| | - Soliman Mohammadi-Samani
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran.,Department of Pharmaceutics, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran
| | - Lobat Tayebi
- School of Dentistry, Marquette University, Milwaukee, Wisconsin53233-2186, United States
| | - Farhad Panahi
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstraße 21, 79104 Freiburg im Breisgau, Germany
| | - Fatemeh Farjadian
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz7146864685, Iran
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15
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Muthulakshmi V, Dhilip Kumar C, Sundrarajan M. Green synthesis of ionic liquid mediated neodymium oxide nanoparticles via Couroupita guianensis abul leaves extract with its biological applications. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1063-1082. [PMID: 35130106 DOI: 10.1080/09205063.2022.2039841] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 02/04/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Bio-nanoparticles have created a new era of rapid, harmless and nontoxic drugs for various biomedical applications. The nanoparticles (NPs) of rare earth metal oxides attract researcher's attention due to their excellent chemical and physical properties that exhibit potential activity against disease causing pathogens. Couroupita guianensis (C. guianensis) abul is a medicinal plant whose leaves are effectively used for the synthesis of neodymium oxide (Nd2O3) NPs. The 1-butyl 3-methyl imidazolium tetrafluoroborate (BMIM BF4) ionic liquid is used as a stabilizing agent to get better the morphology and biological properties of Nd2O3 NPs. 1-Butene, 4,4-diethoxy-2-methyl is the main compound in C. guianensis abul leaves extract was confirmed by GCMS analysis. The structure of synthesized Nd2O3 (without ionic liquid) and Nd2O3-IL (with ionic liquid) NPs is identified by powder X-ray diffraction (PXRD). The vibrations of the different functional groups were investigated by Fourier-transform infrared (FTIR) and Raman spectroscopy. In UV-Vis spectra, the optical absorption was identified to be 210 and 221nm of Nd2O3 and Nd2O3-IL samples and the PL spectrum provides blue and green emission peaks at 386 and 554 nm. The X-ray photoelectron spectroscopy (XPS) and DLS spectra illustrate the electronic configuration and particle size of the synthesized Nd2O3-IL NPs. The morphology, surface nature and lattice spacing were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The purity and weight percentage of the compound presented can be identified by the energy-dispersive X-ray spectroscopy (EDX). The biomedical properties such as antibacterial, antioxidant, antidiabetic, anti-inflammatory and anticancer activities were investigated. Finally, the overall biocompatible studies reveal that the ionic liquid assisted Nd2O3 NPs can be considered as a potential drug for pharmaceutical and biomedical applications.
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Affiliation(s)
- Veerasingam Muthulakshmi
- Department of Industrial Chemistry, Advanced Green Chemistry Lab, School of Chemical Sciences, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Chinnalagu Dhilip Kumar
- Department of Industrial Chemistry, Advanced Green Chemistry Lab, School of Chemical Sciences, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Mahalingam Sundrarajan
- Department of Industrial Chemistry, Advanced Green Chemistry Lab, School of Chemical Sciences, Alagappa University, Karaikudi, Tamil Nadu, India
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16
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Elattar KM, El-Khateeb AY, Hamed SE. Insights into the recent progress in the medicinal chemistry of pyranopyrimidine analogs. RSC Med Chem 2022; 13:522-567. [PMID: 35694689 PMCID: PMC9133730 DOI: 10.1039/d2md00076h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 04/21/2022] [Indexed: 12/13/2022] Open
Abstract
Heterocycles containing the pyranopyrimidine motif have attracted the interest of researchers in recent decades due to their ability to synthesize and explore at a large scale to explore the biological diversity. Therefore, this review highlights the biological characteristics and synthetic approaches adopted to prepare pyranopyrimidine analogs in the last five years. Several novel preparation procedures have been summarized to synthesize these compounds using ionic, basic, or nanocatalysts or catalyst-free conditions to obtain these compounds in good yields. Pyranopyrimidines could also be used as ligands in the preparation of metal complexes with increased biological potency. The different sections include the antimicrobial, antitubercular, antimalarial, antiviral "SARS-CoV-2 inhibitors", antidiabetic, antitumor, cytotoxic, antiinflammatory, antioxidant, anticoagulant, urease inhibitory activities, and tyrosine inhibitors. The results are discussed based on the structure-activity relationships (SARs) and the mechanism of action.
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Affiliation(s)
- Khaled M Elattar
- Chemistry Department, Faculty of Science, Mansoura University El-Gomhoria Street Mansoura 35516 Egypt +201010655354
| | - Ayman Y El-Khateeb
- Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University El-Gomhoria Street Mansoura 35516 Egypt
| | - Sahar E Hamed
- Chemistry Department, Faculty of Agriculture, Damietta University Damietta 22052 Egypt
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17
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Khalid MF, Rehman K, Irshad K, Chohan TA, Akash MSH. Biochemical Investigation of Inhibitory Activities of Plant-Derived Bioactive Compounds Against Carbohydrate and Glucagon-Like Peptide-1 Metabolizing Enzymes. Dose Response 2022; 20:15593258221093275. [PMID: 35574252 PMCID: PMC9099060 DOI: 10.1177/15593258221093275] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 03/23/2022] [Indexed: 01/29/2023]
Abstract
The aim of current study was to investigate the inhibitory activities of
resveratrol and taxifolin against α-amylase, α-glucosidase, and DPP-IV enzymes
via in vitro analysis which was further
validated by in silico studies. The analysis of molecular
docking was also done to determine the binding capabilities of resveratrol and
taxifolin with α-amylase, α-glucosidase, and DPP-IV enzymes. Resveratrol and
taxifolin having IC50 values, 47.93 ± 5.21 μM and 45.86 ± 3.78 μM, respectively, showed weaker effect than acarbose (4.6 ± 1.26
μM) on α-amylase but showed significant effect to inhibit
α-glucosidase (32.23 ± .556 μM and 31.26 ± .556 μM, respectively). IC50 value of resveratrol and
taxifolin (5.638 ± .0016 μM and 6.691 ± .004 μM) in comparison to diprotin A (IC50: 7.21 ± .021
μM) showed that they have significant inhibitory effect on DPP-IV
enzyme. Our results illustrated that resveratrol and taxifolin have potential to
prevent the metabolism of carbohydrates via inhibition of
α-amylase and α-glucosidase, and prolongs metabolic function of incretin by
inhibiting the enzymatic activity of DPP-IV. The results of molecular docking
have also revealed that resveratrol and taxifolin have significant affinity to
bind with α-amylase, α-glucosidase, and DPP-IV in comparison with standard drugs
such as acarbose, miglitol, and diprotin.
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Affiliation(s)
- Muhammad Fiaz Khalid
- Department of Pharmaceutical Chemistry, Government College University, Faisalabad, Pakistan
| | - Kanwal Rehman
- Department of Pharmacy, The Women University, Multan, Pakistan
| | - Kanwal Irshad
- Department of Pharmaceutical Chemistry, Government College University, Faisalabad, Pakistan
| | - Tahir Ali Chohan
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
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18
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Liu Y, Zhu J, Yu J, Chen X, Zhang S, Cai Y, Li L. Curcumin as a mild natural α‐glucosidase inhibitor: a study on its mechanism
in vitro. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15433] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Yujia Liu
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Jie Zhu
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Jiamei Yu
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Xu Chen
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Shuyan Zhang
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Yanxue Cai
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
| | - Lin Li
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry School of Chemical Engineering and Energy Technology Dongguan University of Technology Dongguan 523808 China
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19
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Green inspired synthesis of ZnO nanoparticles and its characterizations with biofilm, antioxidant, anti-inflammatory, and anti-diabetic activities. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132420] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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Dharmendra D, Chundawat P, Vyas Y, Ameta C. Ultrasound-assisted efficient synthesis and antimicrobial evaluation of pyrazolopyranopyrimidine derivatives using starch functionalized magnetite nanoparticles as a green biocatalyst in water. J CHEM SCI 2022. [DOI: 10.1007/s12039-022-02040-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Muthulakshmi V, Dhilip Kumar C, Sundrarajan M. Biological applications of green synthesized lanthanum oxide nanoparticles via Couroupita guianensis abul leaves extract. Anal Biochem 2022; 638:114482. [PMID: 34856185 DOI: 10.1016/j.ab.2021.114482] [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: 07/08/2021] [Revised: 11/17/2021] [Accepted: 11/19/2021] [Indexed: 11/01/2022]
Abstract
In this work, extract from leaves of Couroupita guianensis (C.guianensis) abul was used as a potential reducing agent for the synthesis of lanthanum oxide (La2O3) nanoparticles (NPs). In addition, the morphology and several physicochemical properties of the La2O3 NPs were improved by introducing the ionic liquid of 1-butyl 3-methyl imidazolium tetra fluoroborate (BMIM BF4) as a stabilizing agent. The structure of the La2O3 (without ionic liquid) and IL-La2O3 (with ionic liquid) NPs were analyzed by X-ray diffraction (XRD). The chemical composition of the synthesized NPs was analyzed using the energy dispersive X-ray (EDX) and X-ray photoelectron spectroscopy (XPS) studies. Optical and morphological studies were also performed. The antibacterial, antioxidant, anti-inflammatory, anti-diabetic and anticancer properties of the La2O3 and IL-La2O3 NPs were evaluated.
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Affiliation(s)
- V Muthulakshmi
- Advanced Green Chemistry Lab, Department of Industrial Chemistry, School of Chemical Sciences, Alagappa University, Karaikudi, 03, Tamil Nadu, India
| | - C Dhilip Kumar
- Advanced Green Chemistry Lab, Department of Industrial Chemistry, School of Chemical Sciences, Alagappa University, Karaikudi, 03, Tamil Nadu, India
| | - M Sundrarajan
- Advanced Green Chemistry Lab, Department of Industrial Chemistry, School of Chemical Sciences, Alagappa University, Karaikudi, 03, Tamil Nadu, India.
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22
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Binding analysis of the curcumin-based synthetic alpha-glucosidase inhibitors to beta-lactoglobulin as potential vehicle carrier for antidiabetic drugs. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022. [DOI: 10.1007/s13738-021-02323-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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23
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El-Khateeb AY, Hamed SE, Elattar KM. Recent advancements in the multicomponent synthesis of heterocycles integrated with a pyrano[2,3- d]pyrimidine core. RSC Adv 2022; 12:11808-11842. [PMID: 35481073 PMCID: PMC9016802 DOI: 10.1039/d2ra00927g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 04/04/2022] [Indexed: 12/28/2022] Open
Abstract
Heterocyclic compounds incorporated with a pyranopyrimidine skeleton have received substantial consideration owing to their privileged, and intelligible biodiversity. Accordingly, this review highlights the multicomponent synthetic routes adopted to prepare heterocyclic compounds incorporated with the pyrano[2,3-d]pyrimidine skeleton in the preceding two years. The different sections comprise the synthesis of bicyclic, tricyclic, polycyclic, and spirocyclic systems along with the estimation of the probable mechanistic routes for the reaction pathways. Commonly, the pyran ring closure was the major idea of most studies, and the mechanistic pathways of these reactions involved Knoevenagel condensation, Michael addition, and intramolecular cyclocondensation. Besides, the significant biological potency of the compounds recently synthesized from multicomponent reactions is deliberated. The present review highlighted the recent developments of the multicomponent synthesis of heterocyclic compounds with pyrano[2,3-d]pyrimidine skeleton applying the diverse strategies.![]()
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Affiliation(s)
- Ayman Y. El-Khateeb
- Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
| | - Sahar E. Hamed
- Chemistry Department, Faculty of Agriculture, Damietta University, Damietta, 22052, Egypt
| | - Khaled M. Elattar
- Chemistry Department, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
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24
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Mo QG, Zhou G, Zhu WD, Ge LL, Wang YW. Coumaroyl and feruloyl flavonoid glycosides from the male flowers of Ginkgo biloba L. and their inhibitory activity against α-glucosidase. Nat Prod Res 2021; 36:4371-4378. [PMID: 34965786 DOI: 10.1080/14786419.2021.1993216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Four flavonoid glycosides containing coumaroyl or feruloyl groups were isolated from the male flowers of Ginkgo biloba L., and compounds 3 and 4 were identified as novel compounds. The inhibitory activities against α-glucosidase were investigated by docking studies, in vitro assays and kinetic studies. The docking results showed that all compounds mainly formed hydrogen-bond and π-π-stacking interactions with α-glucosidase. Compound 4 had the lowest binding energy and maximum number of hydrogen bonds. Subsequently, the in vitro assays showed that compound 4 exhibited the strongest inhibitory potency. Finally, the kinetic studies indicated the inhibitory mode of compounds 1-4 against α-glucosidase were mixed types of competitive and non-competitive. Together, these findings suggested that the isolated flavonoid glycosides in this study, especially compound 4, have potential as α-glucosidase inhibitors.
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Affiliation(s)
- Qi-Gui Mo
- Institute of TCM and Natural Products, School of Pharmaceutical Sciences, Wuhan University, Wuhan, P.R. China
| | - Gao Zhou
- Institute of TCM and Natural Products, School of Pharmaceutical Sciences, Wuhan University, Wuhan, P.R. China
| | - Wei-Dong Zhu
- Institute of TCM and Natural Products, School of Pharmaceutical Sciences, Wuhan University, Wuhan, P.R. China
| | - Lan-Lan Ge
- Institute of TCM and Natural Products, School of Pharmaceutical Sciences, Wuhan University, Wuhan, P.R. China
| | - You-Wei Wang
- Institute of TCM and Natural Products, School of Pharmaceutical Sciences, Wuhan University, Wuhan, P.R. China.,MOE Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Wuhan University, Wuhan, P. R. China
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25
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Sohn SI, Priya A, Balasubramaniam B, Muthuramalingam P, Sivasankar C, Selvaraj A, Valliammai A, Jothi R, Pandian S. Biomedical Applications and Bioavailability of Curcumin-An Updated Overview. Pharmaceutics 2021; 13:2102. [PMID: 34959384 PMCID: PMC8703330 DOI: 10.3390/pharmaceutics13122102] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/25/2021] [Accepted: 12/03/2021] [Indexed: 02/07/2023] Open
Abstract
Curcumin, a yellow-colored molecule derived from the rhizome of Curcuma longa, has been identified as the bioactive compound responsible for numerous pharmacological activities of turmeric, including anticancer, antimicrobial, anti-inflammatory, antioxidant, antidiabetic, etc. Nevertheless, the clinical application of curcumin is inadequate due to its low solubility, poor absorption, rapid metabolism and elimination. Advancements in recent research have shown several components and techniques to increase the bioavailability of curcumin. Combining with adjuvants, encapsulating in carriers and formulating in nanoforms, in combination with other bioactive agents, synthetic derivatives and structural analogs of curcumin, have shown increased efficiency and bioavailability, thereby augmenting the range of applications of curcumin. The scope for incorporating biotechnology and nanotechnology in amending the current drawbacks would help in expanding the biomedical applications and clinical efficacy of curcumin. Therefore, in this review, we provide a comprehensive overview of the plethora of therapeutic potentials of curcumin, their drawbacks in efficient clinical applications and the recent advancements in improving curcumin's bioavailability for effective use in various biomedical applications.
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Affiliation(s)
- Soo-In Sohn
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju 54874, Korea
| | - Arumugam Priya
- Department of Biotechnology, Alagappa University, Karaikudi 630003, India; (A.P.); (P.M.); (R.J.)
| | | | - Pandiyan Muthuramalingam
- Department of Biotechnology, Alagappa University, Karaikudi 630003, India; (A.P.); (P.M.); (R.J.)
- Department of Biotechnology, Sri Shakthi Institute of Engineering and Technology, Coimbatore 641062, India
| | - Chandran Sivasankar
- Department of Food Science and Technology, Pondicherry University, Pondicherry 605014, India;
| | - Anthonymuthu Selvaraj
- Department of Physiology and Biophysics, University of California, Irvine, CA 92697, USA;
| | - Alaguvel Valliammai
- Department of Environmental Hydrology and Microbiology, Ben-Gurion University of the Negev, Beersheba 84990, Israel;
| | - Ravi Jothi
- Department of Biotechnology, Alagappa University, Karaikudi 630003, India; (A.P.); (P.M.); (R.J.)
| | - Subramani Pandian
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju 54874, Korea
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26
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H3PMo7W5O40·24H2O catalyzed access to fused pyrazolopyranopyrimidine derivatives via one-pot multicomponent synthesis: green chemistry. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02868-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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27
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Moura A, Gaglieri C, Alarcon RT, Ferreira LT, Vecchi R, Sanches MLR, Oliveira RC, Venturini J, Silva‐Filho LC, Junior Caires F. A New Curcuminoids‐Coumarin Derivative: Mechanochemical Synthesis, Characterization and Evaluation of Its In Vitro Cytotoxicity and Antimicrobial Properties. ChemistrySelect 2021. [DOI: 10.1002/slct.202103359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Aniele Moura
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Caroline Gaglieri
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Rafael Turra Alarcon
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | | | - Rafael Vecchi
- Medicine School Tropical Diseases and Imaging Diagnosis UNESP-São Paulo State University Botucatu 18618-687 SP Brazil
| | - Mariana Liessa Rovis Sanches
- Bauru School of Dentistry Department of Biological Sciences USP-University of São Paulo Bauru 17011-220 SP Brazil
| | - Rodrigo Cardoso Oliveira
- Bauru School of Dentistry Department of Biological Sciences USP-University of São Paulo Bauru 17011-220 SP Brazil
| | - James Venturini
- Medicine School Tropical Diseases and Imaging Diagnosis UNESP-São Paulo State University Botucatu 18618-687 SP Brazil
- Medicine School UFMS- Mato Grosso do Sul Federal University Campo Grande 79070-900 MS Brazil
| | - Luiz Carlos Silva‐Filho
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Flávio Junior Caires
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
- Institute of Chemistry UNESP-São Paulo State University Araraquara 14800-900 SP Brazil
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Kaliammal R, Parvathy G, Maheshwaran G, Velsankar K, Kousalya Devi V, Krishnakumar M, Sudhahar S. Zephyranthes candida flower extract mediated green synthesis of silver nanoparticles for biological applications. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2021.09.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Khajeh Dangolani S, Panahi F, Khalafi-Nezhad A. Synthesis of new curcumin-based aminocarbonitrile derivatives incorporating 4H-pyran and 1,4-dihydropyridine heterocycles. Mol Divers 2021; 25:2123-2135. [PMID: 32419085 DOI: 10.1007/s11030-020-10104-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 05/07/2020] [Indexed: 11/26/2022]
Abstract
A multicomponent reaction containing curcumin, aldehydes, malononitrile and amine was developed for the one-pot synthesis of a novel library of 4H-pyran and 1,4-dihyropyridin heterocycles incorporating curcumin moiety. The products were obtained in the presence of p-toluenesulfonic acid as catalyst in ethanol as solvent in good to excellent yields.
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Affiliation(s)
| | - Farhad Panahi
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran.
| | - Ali Khalafi-Nezhad
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran.
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[MerDABCO-SO3H]Cl catalyzed synthesis, antimicrobial and antioxidant evaluation and molecular docking study of pyrazolopyranopyrimidines. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130672] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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31
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Kavitha R, Nirmala S, Sampath V, Shanmugavalli V, Latha B. Studies of synthesis, crystal structure and antidiabetic activity of quinolinium 2-carboxylate 2-chloroacetic acid. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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32
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Novel pyrano-triazolo-pyrimidine derivatives as anti- α-amylase agents: Synthesis, molecular docking investigations and computational analysis. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130346] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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33
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Green synthesis of lanthanum oxide nanoparticles using Moringa oleifera leaves extract and its biological activities. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2021.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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34
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Sakthivel R, Sankudevan P, Vennila P, Venkatesh G, Kaya S, Serdaroğlu G. Experimental and theoretical analysis of molecular structure, vibrational spectra and biological properties of the new Co(II), Ni(II) and Cu(II) Schiff base metal complexes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130097] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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35
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Zhou S, Zhang Q, Gao Y, Liu F, Cao W, Li Z, Xue C, Tang Q. Sargassum fusiforme together with turmeric extract and pomegranate peel extract alleviates obesity in high fat-fed C57BL/6J mice. Food Funct 2021; 12:4654-4669. [PMID: 33913445 DOI: 10.1039/d0fo03044a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Sargassum fusiforme, a nutritious edible brown alga, has been widely suggested to play an important role in the development of functional food because of its multiple biological activities. The aim of this study was to explore the anti-obesity effect of the combination of Sargassum fusiforme with extracts of fruit and vegetable by comparing the effects of Sargassum fusiforme (S), Sargassum fusiforme together with pomegranate peel extract (SP), Sargassum fusiforme together with turmeric extract (ST) and Sargassum fusiforme together with turmeric extract and pomegranate peel extract (C) on diet-induced obese C57BL/6J mice. Long-term consumption of a high-fat diet can lead to high levels of blood lipid, increase adipocyte size, and cause lipid metabolism dysfunction and gut microbiota dysbiosis. According to the results of the experiments, SP and ST were more effective in reducing lipid levels and fat accumulation than S; and, C exhibited the strongest efficacy compared with the other three supplements. ST and C also regulated adipocytokines and had significant effects on the gene expression of lipid metabolism. We also found that C alleviated the imbalance of intestinal flora caused by a high-fat diet to a certain extent. In conclusion, SP, ST and C have anti-obesity potentials, which can be used as alternative ingredients in the formula of functional food for obese people.
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Affiliation(s)
- Sainan Zhou
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266100, China.
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Chortani S, Horchani M, Znati M, Issaoui N, Jannet HB, Romdhane A. Design and synthesis of new benzopyrimidinone derivatives: α-amylase inhibitory activity, molecular docking and DFT studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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37
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Mehrabi M, Esmaeili S, Ezati M, Abassi M, Rasouli H, Nazari D, Adibi H, Khodarahmi R. Antioxidant and glycohydrolase inhibitory behavior of curcumin-based compounds: Synthesis and evaluation of anti-diabetic properties in vitro. Bioorg Chem 2021; 110:104720. [PMID: 33662896 DOI: 10.1016/j.bioorg.2021.104720] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/17/2021] [Accepted: 02/02/2021] [Indexed: 02/02/2023]
Abstract
Naturally occurring anti-diabetic compound curcumin can prevent diabetes complications due to antioxidant and anti-inflammatory properties as well as the attenuation of postprandial hyperglycemia. In this line, we have synthesized thirteen curcumin based derivatives (L1-L13) by multi-component reaction, characterized by IR, 1HNMR, 13C NMR, MS, elemental analysis and evaluated for possible antioxidant properties and α-glucosidase (α-Glu) and α-amylase (α-Amy) inhibitory potential. The curcumin-based pyrano[2,3-d]pyrimidine derivatives could inhibit α-Glu and α-Amy enzyme activity which showed desirable antioxidant activity. Furthermore, among the series, L5, L12, L9, L10, L8 and L11 were identified as more potent inhibitors of α-Glu enzyme than curcumin and the compounds of L12, L4, L9, L5, L10, L8, L13, and L11 were the stronger inhibitors of the α-Amy enzyme in vitro. Besides, among them, L12 had the lowest IC50 for the inhibition of both enzymes. Since strong inhibitors for pancreatic α-Amy result in the progression of severe gastrointestinal side effects, the inhibitors that show the lower α-Amy/α-Glu inhibitory ratio have attracted much attention in medicinal chemistry. Besides, considering antioxidant characteristics of synthesized compounds, the L7 derivative with the highest antioxidant activity and the lowest "α-Amy/α-Glu inhibitory" ratio could be an appropriate candidate for further study through the rational drug design to the exploration of a new class of powerful anti-diabetic drugs.
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Affiliation(s)
- Maryam Mehrabi
- Department of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
| | - Sajjad Esmaeili
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Ezati
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Maryam Abassi
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hassan Rasouli
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Soil and Water Research Institute (SWRI), Karaj, Iran; National Institute of Genetic Engineering and Plant Biotechnology (NIGEB), Karaj, Iran
| | - Donya Nazari
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hadi Adibi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Ebrahim-Habibi A, Kashani-Amin E, Larijani B. Modeling and simulation in medical sciences: an overview of specific applications based on research experience in EMRI (Endocrinology and Metabolism Research Institute of Tehran University of Medical Sciences). J Diabetes Metab Disord 2021:1-7. [PMID: 33500880 PMCID: PMC7821172 DOI: 10.1007/s40200-020-00706-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/26/2020] [Accepted: 12/07/2020] [Indexed: 01/31/2023]
Abstract
The concomitant use of various types of models (in silico, in vitro, and in vivo) has been exemplified here within the context of biomedical researches performed in the Endocrinology and Metabolism Research Institute (EMRI) of Tehran University of Medical Sciences. Two main research aeras have been discussed: the search for new small molecules as therapeutics for diabetes and related metabolic conditions, and diseases related to protein aggregation. Due to their multidisciplinary nature, the majority of these studies have needed the collaboration of different specialties. In both cases, a brief overview of the subject is provided through literature examples, and sequential use of these methods is described.
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Affiliation(s)
- Azadeh Ebrahim-Habibi
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Jalal-al-Ahmad Street, Chamran Highway, 1411713137 Tehran, Iran
| | - Elaheh Kashani-Amin
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Jalal-al-Ahmad Street, Chamran Highway, 1411713137 Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Mohammadi E, Behnam B, Mohammadinejad R, Guest PC, Simental-Mendía LE, Sahebkar A. Antidiabetic Properties of Curcumin: Insights on New Mechanisms. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1291:151-164. [PMID: 34331689 DOI: 10.1007/978-3-030-56153-6_9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Plant extracts have been used to treat a wide range of human diseases. Curcumin, a bioactive polyphenol derived from Curcuma longa L., exhibits therapeutic effects against diabetes while only negligible adverse effects have been observed. Antioxidant and anti-inflammatory properties of curcumin are the main and well-recognized pharmacological effects that might explain its antidiabetic effects. Additionally, curcumin may regulate novel signaling molecules and enzymes involved in the pathophysiology of diabetes, including glucagon-like peptide-1, dipeptidyl peptidase-4, glucose transporters, alpha-glycosidase, alpha-amylase, and peroxisome proliferator-activated receptor gamma (PPARγ). Recent findings from in vitro and in vivo studies on novel signaling pathways involved in the potential beneficial effects of curcumin for the treatment of diabetes are discussed in this review.
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Affiliation(s)
- Elahe Mohammadi
- Student Research Committee, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Behzad Behnam
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran. .,Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran. .,Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran.
| | - Reza Mohammadinejad
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Paul C Guest
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
| | | | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland. .,Halal Research Center of IRI, FDA, Tehran, Iran.
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40
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Esmaeili S, Ghobadi N, Nazari D, Pourhossein A, Rasouli H, Adibi H, Khodarahmi R. Curcumin-based Antioxidant and Glycohydrolase Inhibitor Compounds: Synthesis and In Vitro Appraisal of the Dual Activity Against Diabetes. Med Chem 2021; 17:677-698. [PMID: 32370719 DOI: 10.2174/1573406416666200506083718] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 03/07/2020] [Accepted: 03/25/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Curcumin, as the substantial constituent of the turmeric plant (Curcuma longa), plays a significant role in the prevention of various diseases, including diabetes. It possesses ideal structure features as an enzyme inhibitor, including a flexible backbone, hydrophobic nature, and several available hydrogen bond (H-bond) donors and acceptors. OBJECTIVE The present study aimed at synthesizing several novel curcumin derivatives and further evaluation of these compounds for possible antioxidant and anti-diabetic properties along with inhibitory effect against two carbohydrate-hydrolyzing enzymes, α-amylase and α-glucosidase, as these enzymes are therapeutic targets for attenuation of postprandial hyperglycemia. METHODS Therefore, curcumin-based pyrido[2,3-d]pyrimidine derivatives were synthesized and identified using an instrumental technique like NMR spectroscopy and then screened for antioxidant and enzyme inhibitory potential. Total antioxidant activity, reducing power assay and 1,1-diphenyl-2- picrylhydrazyl (DPPH•) radical scavenging activity were done to appraise the antioxidant potential of these compounds in vitro. RESULTS Compounds L6-L9 showed higher antioxidant activity while L4, L9, L12 and especially L8 exhibited the best selectivity index (lowest α-amylase/α-glucosidase inhibition ratio). CONCLUSION These antioxidant inhibitors may be potential anti-diabetic drugs, not only to reduce glycemic index but also to limit the activity of the major reactive oxygen species (ROS) producing pathways.
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Affiliation(s)
- Sajjad Esmaeili
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nazanin Ghobadi
- Department of Chemistry, School of Science, Alzahra University, Vanak, Tehran, Iran
| | - Donya Nazari
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Alireza Pourhossein
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hassan Rasouli
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hadi Adibi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Oyebode O, Zuma L, Lucky Erukainure O, Koorbanally N, Islam MS. Bridelia ferruginea inhibits key carbohydrate digesting enzyme and intestinal glucose absorption and modulates glucose metabolism in diabetic rats. Arch Physiol Biochem 2020; 129:671-681. [PMID: 33370536 DOI: 10.1080/13813455.2020.1861026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The antidiabetic potentials of the dichloromethene, ethyl acetate, butanol and aqueous fractions of Bridelia ferruginea leaves were investigated using in vitro, ex vivo and in vivo models. In vitro and ex vivo antidiabetic activities revealed the butanol (BFBF) to be the most active of the fractions, and thus selected for in vivo study. Diabetes was induced using the fructose-streptozotocin model. Treatments with BFBF significantly reduced blood glucose level and improved glucose tolerance, serum insulin level and sensitivity as well as suppressed hyperlipidaemia and serum nephropathy markers. Histopathological analysis revealed the ability of BFBF to protect and regenerate pancreatic β-cells. BFBF significantly elevated glutathione level, catalase and superoxide dismutase activities, while depleting MDA level in serums and kidney of diabetic rats. Phenols, steroids, terpenoids, aliphatic and aromatic compounds were identified in the fractions following GC-MS analysis. Overall, results from this study propose that BFBF possess potent antidiabetic activity.
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Affiliation(s)
- Olajumoke Oyebode
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Lindiwe Zuma
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Ochuko Lucky Erukainure
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
- Department of Pharmacology, University of the Free State, Bloemfontein, South Africa
| | - Neil Koorbanally
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
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42
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Isatin based thiosemicarbazide derivatives as potential inhibitor of α-glucosidase, synthesis and their molecular docking study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128922] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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43
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Hasaninezhad F, Tavaf Z, Panahi F, Nourisefat M, Khalafi-Nezhad A, Yousefi R. The assessment of antidiabetic properties of novel synthetic curcumin analogues: α-amylase and α-glucosidase as the target enzymes. J Diabetes Metab Disord 2020; 19:1505-1515. [PMID: 33553036 PMCID: PMC7843858 DOI: 10.1007/s40200-020-00685-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 11/02/2020] [Indexed: 11/29/2022]
Abstract
Diabetes mellitus is a metabolic disorder characterized by high blood glucose levels and instability in carbohydrate metabolism. For treating diabetes, one important therapeutic approach is reducing the postprandial hyperglycemia which can be managed by delaying the absorption of glucose through inhibition of the carbohydrate-hydrolyzing enzymes, α-amylase (α-Amy) and α-glucosidase (α-Gls) in the digestive tract. In this work, a new class of curcumin derivatives incorporating pyrano[2,3-d]pyrimidine heterocycles was synthesized using a multicomponent reaction between curcumin, aldehydes, and barbituric acid. Using UV-Vis spectroscopic method, the synthetic compounds were assessed for their inhibitory properties against α-Amy and α-Gls enzymes. Also, the antioxidant potential of these compounds was measured spectroscopically and compared with Trolox which is known as a gold standard to measure antioxidant capacity. The results of present study suggest that the curcumin derivatives were able to efficiently inhibit both yeast and mammalian α-Gls. In comparison with the antidiabetic medicine acarbose, the synthetic curcumin derivatives were also capable to inhibit more effectively the yeast α-Gls. The partial inhibitory effects of these compounds against pancreatic α-Amy were also important in the terms of avoiding development of the possible gastrointestinal side effects. Moreover, some of the curcumin derivatives indicated stronger antioxidant activity than Trolox. Overall, these synthetic curcumin analogues might be considered as novel molecular templates for development of efficient antidiabetic compounds with promising inhibitory activities against α-Amy and α-Gls enzymes. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40200-020-00685-z.
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Affiliation(s)
- Fatemeh Hasaninezhad
- Protein Chemistry Laboratory (PCL), Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran
| | - Zohreh Tavaf
- Protein Chemistry Laboratory (PCL), Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran
| | - Farhad Panahi
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Maryam Nourisefat
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Ali Khalafi-Nezhad
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Reza Yousefi
- Protein Chemistry Laboratory (PCL), Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran
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Guo L, Xia J, Yu S, Yan J, He F, Zhang M, Fan Q, Yang R, Zhao W. Natural edible materials made of protein-functionalized aerogel particles for postprandial hyperglycemia management. Int J Biol Macromol 2020; 167:279-288. [PMID: 33275969 DOI: 10.1016/j.ijbiomac.2020.11.186] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 12/18/2022]
Abstract
α-Amylase inhibitors (α-AIs) delay digestion of dietary starch by inhibiting α-amylase in the gut, thereby reducing the postprandial glycemia, which is beneficial to the patients with obesity and diabetes. The proteinaceous α-AIs from wheat can effectively control starch digestion and regulate postprandial hyperglycemia. However, their gastric intolerance remains a challenge, which limits its commercial production and industrial application. In this study, sodium alginate/chitosan aerogels loaded with wheat protein α-AIs were prepared and evaluated as potential transportation and protection matrices for important components in food or pharmaceutical applications. Specifically, the biodegradable aerogel cross-linked with sodium alginate-chitosan-calcium chloride, has a large surface area and open porous structure, which can adsorb staple wheat proteins as an integrated edible material to block around 88,660 U/g of α-amylase activity. The aerogel particles were able to protect the activity of wheat α-AIs in the stomach, leading to the slow passage of the wheat α-AIs through the small intestine to inhibit starch digestion more effectively. Animal experiments further showed that the postprandial blood glucose levels in rats were effectively controlled through delayed increase, after administration of wheat protein-functionalized aerogel particles loaded with wheat α-AIs, which are natural biological macromolecules. This is a novel, safe, and economical method for the prevention and pretreatment of diabetes.
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Affiliation(s)
- Lichun Guo
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jie Xia
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Shuhuai Yu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jiai Yan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Fang He
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Mengqing Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Qilei Fan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Ruijin Yang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Wei Zhao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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Andrade C, Ferreres F, Gomes NGM, Gil-Izquierdo A, Bapia S, Duangsrisai S, Pereira DM, Andrade PB, Valentão P. Gustavia gracillima Miers. flowers effects on enzymatic targets underlying metabolic disorders and characterization of its polyphenolic content by HPLC-DAD-ESI/MS n. Food Res Int 2020; 137:109694. [PMID: 33233268 DOI: 10.1016/j.foodres.2020.109694] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/01/2020] [Accepted: 09/06/2020] [Indexed: 11/30/2022]
Abstract
Notwithstanding Gustavia gracillima Miers widespread distribution in neotropical regions, its chemical profile and biological properties remain uninvestigated. A methanol extract obtained from the flowers was characterized through HPLC-DAD-ESI/MSn, nine ellagic acid derivatives and twelve kaempferol 3-O-glycosides being identified and quantitated for the first time at the species and genus. Preliminary cytotoxicity screening did not reveal noticeable effects upon gastrointestinal representative cell lines (AGS, Caco-2 and Hep G2), which further prompted us to evaluate the impact in a series of targets involved in metabolic disorders and associated complications. Despite of the moderate inhibition towards 5-lipoxygense activity, G. gracillima methanol extract displayed significant effects on carbohydrates-hydrolysing enzymes. In contrast with the antidiabetic reference drug acarbose, the extract was able to selectively inhibit yeast α-glucosidase activity (IC50 = 4.72 µg/mL), with negligible inhibitory effects upon α-amylase. Kinetic studies pointed to a model of mixed inhibition with a great binding activity, characterized by an inhibitory constant of 2.91 µg/mL. The notable inhibitory activity was also confirmed in α-glucosidase homogenates isolated from human intestinal cells (IC50 = 34.03 µg/mL). Moreover, the extract obtained from the flowers of G. gracillima displayed significant aldose reductase inhibition (IC50 = 61.88 µg/mL), as well as O2- and NO scavenging properties. A moderate inhibitory effect was also recorded against pancreatic lipase (IC50 = 362.17 µg/mL) through a mixed inhibition mode. Recorded data supports the potential incorporation of G. gracillima flowers on antidiabetic herbal formulations and/or supplements, with not only straight action on carbohydrates digestion, but also direct interference with targets involved on subsequent diabetes events, such as triglycerides metabolism, inflammation and radical-mediated stress.
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Affiliation(s)
- Catarina Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Federico Ferreres
- Department of Food Technology and Nutrition, Molecular Recognition and Encapsulation (REM) Group, Universidad Católica de Murcia. UCAM, Campus Los Jerónimos, s/n, 30107 Murcia, Spain.
| | - Nelson G M Gomes
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
| | - Angel Gil-Izquierdo
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain.
| | - Sorawit Bapia
- Department of Botany, Faculty of Science, Kasetsart University, Ngam Wong Wan Road, Chatuchak, Bangkok 10900, Thailand
| | - Sutsawat Duangsrisai
- Department of Botany, Faculty of Science, Kasetsart University, Ngam Wong Wan Road, Chatuchak, Bangkok 10900, Thailand
| | - David M Pereira
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
| | - Paula B Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
| | - Patrícia Valentão
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
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Song X, Yang R, Xiao Q. Recent Advances in the Synthesis of Heterocyclics via Cascade Cyclization of Propargylic Alcohols. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001142] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xian‐Rong Song
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Nanchang 330013 People's Republic of China
| | - Ruchun Yang
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Nanchang 330013 People's Republic of China
| | - Qiang Xiao
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Nanchang 330013 People's Republic of China
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Bule MH, Esfandyari R, Tafesse TB, Amini M, Faramarzi MA, Abdollahi M. Synthesis, Molecular Docking and α-Glucosidase Inhibitory Activity Study of 2,4,6-triaryl Pyrimidine Derivatives. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180817666200103130536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
α-Glucosidase inhibitors hinder the carbohydrate digestion and play an
important role in the treatment of diabetes mellitus. α-glucosidase inhibitors available on the market
are acarbose, miglitol, and voglibose. However, the use of acarbose is diminishing due to related
side effects like diarrhea, bloating and abdominal distension.
Objectives:
This study aimed to synthesize 2,4,6-triaryl pyrimidines derivatives, screen their α-
glucosidase inhibitory activity, perform kinetic and molecular docking studies.
Methods:
A series of 2,4,6-triaryl pyrimidine derivatives were synthesized and their α-glucosidase
inhibitory activity was screened in vitro. Pyrimidine derivatives 4a-m were synthesized via a twostep
reaction with a yield between 49 and 93%. The structure of the synthesized compounds was
confirmed by different spectroscopic techniques (IR, NMR and MS). The in vitro α-glucosidase
inhibition activities of the synthesized compounds 4a-m was also evaluated against Saccharomyces
cerevisiae α-glucosidase.
Results and Discussion:
The majority of synthesized compounds had α-glucosidase inhibitory
activity. Particularly compounds 4b and 4g were the most active compounds with an IC50 value of
125.2± 7.2 and 139.8 ± 8.1 μM respectively. The kinetic study performed for the most active
compound 4b revealed that the compound was a competitive inhibitor of Saccharomyces cerevisiae
α-glucosidase with Ki of 122 μM. The molecular docking study also revealed that the two
compounds have important binding interactions with the enzyme active site.
Conclusion:
2,4,6-triarylpyrimidine derivative 4a-m were synthesized and screened for α-
glucosidase inhibitory activity. Most of the synthesized compounds possess α-glucosidase inhibitory
activity, and compound 4b demonstrated the most significant inhibitory action as compared to
acarbose.
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Affiliation(s)
- Mohammed Hussen Bule
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Roghaieh Esfandyari
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Tadesse Bekele Tafesse
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Amini
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Faramarzi
- The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
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48
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Synthesis, biological evaluation, molecular docking, molecular dynamics and DFT studies of quinoline-fluoroproline amide hybrids. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128360] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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49
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Khademi Z, Nikoofar K. Applications of alkyl orthoesters as valuable substrates in organic transformations, focusing on reaction media. RSC Adv 2020; 10:30314-30397. [PMID: 35559005 PMCID: PMC9092620 DOI: 10.1039/d0ra05276k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/27/2020] [Indexed: 02/01/2023] Open
Abstract
In this review we focus on applications of alkyl orthoesters as valuable and efficient substrates to perform various classes of two-component and multi-component organic reactions. The article has classified them according to two aspects, which are: (i) a focus on the reaction medium (solvent-free conditions, aqueous media, and organic solvents); and (ii) an examination of product structures. Reaction accomplishment under solvent-free conditions is an eco-friendly process with the absence of volatile toxic solvents, which puts it in line with green chemistry goals. Water is an interesting choice in organic transformations due to its inexpensiveness and safety. The authors hope their assessment will help chemists to attain new approaches for utilizing alkyl orthoesters in various organic synthetic methods. The review covers the corresponding literature up to the beginning of 2020.
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Affiliation(s)
- Zahra Khademi
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University P.O. Box 1993891176 Tehran Iran +982188041344 +982188041344
| | - Kobra Nikoofar
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University P.O. Box 1993891176 Tehran Iran +982188041344 +982188041344
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50
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Synthesis, molecular docking, α-glucosidase inhibition, and antioxidant activity studies of novel benzimidazole derivatives. Med Chem Res 2020. [DOI: 10.1007/s00044-020-02605-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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