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Bellahcene F, Benarous K, Mermer A, Boulebd H, Serseg T, Linani A, Kaouka A, Yousfi M, Syed A, Elgorban AM, Ozeki Y, Kawsar SM. Unveiling potent Schiff base derivatives with selective xanthine oxidase inhibition: In silico and in vitro approach. Saudi Pharm J 2024; 32:102062. [PMID: 38601975 PMCID: PMC11004395 DOI: 10.1016/j.jsps.2024.102062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
This research describes the synthesis by an environmentally-friendly method, microwave irradiation, development and analysis of three novel and one previously identified Schiff base derivative as a potential inhibitor of bovine xanthine oxidase (BXO), a key enzyme implicated in the progression of gout. Meticulous experimentation revealed that these compounds (10, 9, 4, and 7) have noteworthy inhibitory effects on BXO, with IC50 values ranging from 149.56 µM to 263.60 µM, indicating their good efficacy compared to that of the standard control. The validation of these results was further enhanced through comprehensive in silico studies, which revealed the pivotal interactions between the inhibitors and the catalytic sites of BXO, with a particular emphasis on the imine group (-C = N-) functionalities. Intriguingly, the compounds exhibiting the highest inhibition rates also showcase advantageous ADMET profiles, alongside encouraging initial assessments via PASS, hinting at their broad-spectrum potential. The implications of these findings are profound, suggesting that these Schiff base derivatives not only offer a new vantage point for the inhibition of BXO but also hold considerable promise as innovative therapeutic agents in the management and treatment of gout, marking a significant leap forward in the quest for more effective gout interventions.
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Affiliation(s)
- Fatna Bellahcene
- Laboratory of Fundamental Sciences, Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Khedidja Benarous
- Laboratory of Fundamental Sciences, Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Arif Mermer
- Department of Biotechnology, University of Health Sciences, İstanbul, Turkey
- Experimental Medicine Application and Research Center, Validebag Research Park, University of Health Sciences, İstanbul, Turkey
- Department of Pharmacy, University of Health Sciences, İstanbul, Turkey
| | - Houssem Boulebd
- Department of Chemistry, Faculty of Exact Sciences, University of Constantine 1, Constantine, Algeria
| | - Talia Serseg
- Laboratory of Fundamental Sciences, Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria
- Laboratoire des Sciences Appliquées et Didactiques, Ecole Normale Supérieure de Laghouat, Algeria
| | - Abderahmane Linani
- Laboratory of Fundamental Sciences, Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Alaeddine Kaouka
- Laboratoire des Sciences Appliquées et Didactiques, Ecole Normale Supérieure de Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratory of Fundamental Sciences, Faculty of Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Asad Syed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Abdallah M. Elgorban
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Yasuhiro Ozeki
- Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Sarkar M.A. Kawsar
- Laboratory of Carbohydrate and Nucleoside Chemistry, Department of Chemistry, Faculty of Science, University of Chittagong, Chittagong 4331, Bangladesh
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Nongni FT, Kalus R, Benhenni M, Gadéa FX, Yousfi M. Ternary recombination of excited Ar+(P1/22) ions, established experimental results reinterpreted with a new extended model. J Chem Phys 2024; 160:161101. [PMID: 38647297 DOI: 10.1063/5.0202524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/07/2024] [Indexed: 04/25/2024] Open
Abstract
For many years, the recombination of excited ions of argon, Ar+(P1/22), has been assumed negligible under ambient conditions as compared to the recombination of ground-state ions, Ar+(P3/22). This opinion was confronted with detailed experimental results that seem to clearly support it. Here, we propose a new interpretation in light of our recent calculations, which shows that the recombination efficiency is comparable for both fine-structure states. Noteworthily, in our model leading to a picture consistent with the experiment, residual dimer ions emerge from Ar+(P1/22) due to non-adiabatic dynamics effects and interplay in measured data.
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Affiliation(s)
- F T Nongni
- Laboratoire Plasma et Conversion d'Energie, LAPLACE and UMR5213 du CNRS, Université Toulouse III-Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
- Faculty of Electrical Engineering and Computer Science, VŠB-Technical University of Ostrava, 17. Listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - R Kalus
- Department of Applied Mathematics, Faculty of Electrical Engineering and Computer Science, VŠB-Technical University of Ostrava, 17. Listopadu 2172/15, 70800 Ostrava-Poruba, Czech Republic
| | - M Benhenni
- Laboratoire Plasma et Conversion d'Energie, LAPLACE and UMR5213 du CNRS, Université Toulouse III-Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - F X Gadéa
- Laboratoire de Chimie et Physique Quantiques, UMR5626 du CNRS, Université Toulouse III-Paul Sabatier,118 route de Narbonne, 31062 Toulouse Cedex 09, France
| | - M Yousfi
- Laboratoire Plasma et Conversion d'Energie, LAPLACE and UMR5213 du CNRS, Université Toulouse III-Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
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Boufissiou A, Kadi I, Benamar-Aissa B, Boussoussa H, Harrat M, Yousfi M. In vitro study of the antioxidant, sun factor protection, antimicrobial, and antifungal activities with molecular docking of methanolic extracts from leaves and fruit of Phillyrea angustifolia L. 3 Biotech 2024; 14:41. [PMID: 38261869 PMCID: PMC10794656 DOI: 10.1007/s13205-023-03877-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 12/04/2023] [Indexed: 01/25/2024] Open
Abstract
This study aimed to evaluate the potential therapeutic effects of Phillyrea angustifolia L leaves and fruits from Algeria. The total phenolic and flavonoid contents, sun protection factor, antimicrobial, antifungal, and antioxidant activities such as DPPH, ABTS, FRAP, CUPRAC, and o-phenanthroline reduction were determined. The findings of the comparative analysis revealed that the leaves contained higher levels of total phenolic content (TPC) and flavonoid content (TFC) compared to the fruit, indicating their maximum antioxidant potential. TPC values for leaves ranged from 528.411 ± 9.94 to 816.352 ± 5.09 µg EAG/mg of dry extract, while for fruits, it ranged from 378.215 ± 5.26 to 579.392 ± 14.2 µg EAG/mg extract/ml. Similarly, TFC values for leaves varied from 65.833 ± 9.42 to 147.986 ± 5.59 µg EAG/mg of dry extract, and for fruits, it ranged from 45.486 ± 5.00 to 90.208 ± 6.77 µg EAG/mg extract/ml. Moreover, both leaves and fruit extracts showed significant growth inhibition against Staphylococcus aureus and Enterococcus faecalis, with the highest activity against Staphylococcus aureus, followed by Escherichia coli. The sun protection factor (SPF) values of both leaves and fruits extracts are close to the values of standard sunscreen VICHY. In addition, molecular docking studies identified promising compounds, including Demethyloleuropein, Luteolin-7-O-glucoside, Apigenin 7-Glucoside, Oleuropein, Pinoresinol, and Syringaresinol monoglucopyranoside of leaves from P. angustifolia L, these compounds are showing a better binding affinity than native ligands against Rhomboid protease GlpG from E. coli, the same thing about luteolin-7-O-glucoside and apigenin 7-glucoside exhibited similar binding free energy values to the target protein S. aureus sortase A. The study suggests that leaves and fruits of Phillyrea angustifolia L could be valuable sources for developing drugs against pathogenic oral yeasts, Gram-negative and Gram-positive bacteria. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03877-5.
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Affiliation(s)
- Ahmed Boufissiou
- Laboratoire des Sciences Fondamentales (LSF), University of Amar Telidji Laghouat, BP. 37G, 03000 Laghouat, Algeria
| | - Imededdine Kadi
- Research Center in Biotechnology (CRBt 2500) Constantine, El Khroub, Algeria
| | - Boualem Benamar-Aissa
- Laboratoire des Sciences Fondamentales (LSF), University of Amar Telidji Laghouat, BP. 37G, 03000 Laghouat, Algeria
| | - Hadjer Boussoussa
- Laboratoire des Sciences Fondamentales (LSF), University of Amar Telidji Laghouat, BP. 37G, 03000 Laghouat, Algeria
| | - Mohamed Harrat
- Laboratoire des Sciences Fondamentales (LSF), University of Amar Telidji Laghouat, BP. 37G, 03000 Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales (LSF), University of Amar Telidji Laghouat, BP. 37G, 03000 Laghouat, Algeria
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Guellouma FZ, Boussoussa H, Khachba I, Yousfi M, Ziane Khoudja I, Bourahla I. Rosmarinus officinalis essential oils' eradication of beta-lactamase and multidrug resistant clinical bacterial pathogens from hospital settings. Nat Prod Res 2024; 38:796-806. [PMID: 37074231 DOI: 10.1080/14786419.2023.2201884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/04/2023] [Indexed: 04/20/2023]
Abstract
Antibiotics have become increasingly ineffective in the face of bacterial resistance, particularly in hospitals. Interestingly, there is high demand for bioprospecting of secondary metabolites, particularly for treating multidrug-resistant clinical diseases. In fact, Rosemary has been used for its antiseptic properties dating back to antiquity. The aim of this research is to evaluate the effectiveness of Rosmarinus officinalis essential oil against multidrug-resistant clinical bacterial pathogens. Results showed promising antibacterial activity against seven bacteria: Escherichia coli, Enterobacter cloacae, Staphylococcus aureus, Serratia odorifera, Klebsiella pneumoniae, Klebsiella oxytoca, Aeromonas hydrophila with MIC values of 35.7, 17.85, 71.4, 8.9, 17.8, 285.7, 35.7 µg/ml respectively and MBC values of 142.8, 71.4, 285.7, 35.7, 71.4, 571.5,71.4 µg/ml respectively. This study suggests that Rosmarinus essential oil can be used as a therapeutic agent in the fight against a wide range of multi-resistant bacteria.
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Affiliation(s)
| | - Hadjer Boussoussa
- Fundamental Sciences Research Laboratory, University Amar Thelidji, Laghouat, Algeria
| | - Ihcen Khachba
- Fundamental Sciences Research Laboratory, University Amar Thelidji, Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental Sciences Research Laboratory, University Amar Thelidji, Laghouat, Algeria
| | | | - Ibrahim Bourahla
- Central Laboratory of the Hospital Akid Lotfi, Laghouat, Algeria
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Yousfi M, Bouzgarrou H. Geopolitical risk, economic policy uncertainty, and dynamic connectedness between clean energy, conventional energy, and food markets. Environ Sci Pollut Res Int 2024; 31:4925-4945. [PMID: 38108988 DOI: 10.1007/s11356-023-31379-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 12/01/2023] [Indexed: 12/19/2023]
Abstract
The global financial markets suffered unprecedented shocks, leading to significantly increased uncertainty in the markets due to various economic and financial recessions and geopolitical tensions, resulting in substantial fluctuations in market prices. Therefore, this paper aims to identify the response of the clean energy, conventional energy, and food markets to economic uncertainty and political tension while considering the influence of numerous crises and political conflicts. To achieve this, we employ the DCC-GARCH-based connectedness approach and the quantile-on-quantile model on monthly data spanning from May 2008 to June 2023. The results provide evidence of the sensitivity of dynamic volatility spillovers between financial assets to GEPU and GPR during major economic and financial crises and geopolitical events. Notably, this sensitivity increases significantly during the global financial crisis (GFC), the European debt crisis, Brexit, the US presidential election, the COVID-19 pandemic, and the Russian-Ukrainian war. However, the investigation of the tail dependence structure reveals that the relationship between uncertainties and total volatility connectedness across various market conditions appears to be asymmetric and heterogeneous. Our findings assist policymakers and green investors in designing the most effective policies to mitigate the impact of uncertainties on both conventional and green investments. This is achieved through insightful knowledge about the primary drivers of contagion among these indices, all while not compromising sustainability goals.
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Affiliation(s)
- Mohamed Yousfi
- Higher Institute of Commercial Studies of Sousse (IHEC Sousse), University of Sousse, Sousse, Tunisia.
| | - Houssam Bouzgarrou
- Higher Institute of Finance and Taxation of Sousse (ISFFS), University of Sousse, Sousse, Tunisia
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Benamar-Aissa B, Gourine N, Ouinten M, Yousfi M. Synergistic effects of essential oils and phenolic extracts on antimicrobial activities using blends of Artemisia campestris, Artemisia herba alba, and Citrus aurantium. Biomol Concepts 2024; 15:bmc-2022-0040. [PMID: 38353049 DOI: 10.1515/bmc-2022-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/22/2024] [Indexed: 02/16/2024] Open
Abstract
This study explores the synergistic antibacterial effects of essential oils (EOs) and phenolic extracts from three plants against foodborne pathogenic bacteria. The present work aimed to investigate the synergistic effects of the binary and the ternary combinations of extracts using different blend proportions of the following plant extracts: Artemisia campestris (AC), Artemisia herba alba (AHA), and Citrus aurantium (CA). The antimicrobial activities of EOs and phenolic extracts were determined and evaluated against five strains. For the EOs, the results of the DIZ showed the existence of synergism for different combinations of binary blends, such as AC/AHA or AHA/CA against Escherichia coli, and AC/CA against Enterobacter faecalis. In addition, ternary blends of AC:AHA:CA at a ratio of 1/6:2/3:1/6 exhibited a synergy effect, as measured by the CI, against E. coli. On the other hand, for the phenolic extracts, synergistic effects were noticed for binary blends of AC/CA at different ratios against E. coli, E. faecalis, and Pseudomonas aeruginosa strains. Similarly, ternary blends of phenolic extracts presented synergy against E. coli, E. faecalis, P. aeruginosa strains, and even C. albicans. In this case, the blending ratios were crucial determining factors for maximizing the synergy effect. The study established that the proportion of a single drug could play an essential role in determining the bioefficacy of a drug combination treatment. Therefore, the results showed the importance of studying the modulation of antibacterial activities based on the proportions of extracts in the mixture and finding the range of proportions (as determined by SLMD) that have a synergistic/additive/antagonistic effect with no or low side effects, which can be used in a food preservation system.
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Affiliation(s)
- Boualem Benamar-Aissa
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Nadhir Gourine
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Mohamed Ouinten
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales (LSF), University Amar Telidji of Laghouat, BP. 37G (03000), Laghouat, Algeria
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Bouafia M, Colak N, Ayaz FA, Gourine N, Yousfi M. The chemical profile and seasonal variation of the composition of the phenolic acids in different plant parts of Centaurea sp. J Pharm Biomed Anal 2023; 236:115686. [PMID: 37690189 DOI: 10.1016/j.jpba.2023.115686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/12/2023]
Abstract
This study investigated the seasonal variation (over seven months) of phenolic acid (PHA) components in different parts of Centaurea sp. The primary objective was to determine the pattern of variation, while the secondary objective was to identify which month or growth stage provides a greater total PHA content or percentage of bioactive components. Different patterns of seasonal variations were highlighted for the different PHA components and their classes (hydroxybenzoic and -cinnamic acids) in different parts of the plant. The leaves exclusively provided the highest PHA contents, with maximum values reached in April (1368.06 μg/g). The major hydroxybenzoic acid derivatives (HBAs) identified in the leaves were vanillic acid (VaA) "154.18-374.06 μg/g" and protocatechuic acid (PA) "9.37-595.61 μg/g", while the major hydroxycinnamic acid derivatives (HCAs) were p-coumaric acid (p-CoA) "109.35-261.77 μg/g", m-coumaric acid (m-CoA) "10.22-70.57 μg/g", and ferulic acid (FeA) "35.54-109.13 μg/g". The maximum percentage of PA was obtained in April "595.61 μg/g", while the maximum p-CoA content was obtained in January "261.77 μg/g". Therefore, the leaves can be recommended as the optimal source of PHAs. If there is a specific interest in certain PHA components, we recommend collection in either January or April. Multivariate statistical analysis (PCA & AHC) showed the existence of two main clusters. The first cluster comprised the leaves, distinguished by the highest VaA, PA, and p-CoA contents. The second cluster comprised roots and the root bark samples. This study provides information on the development of PHAs in different parts of Centaurea sp. and explores potential applications. It will be of considerable interest for determining the optimal harvesting time of shrub species used for their medicinal properties and bio-active phenolic contents.
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Affiliation(s)
- Mourad Bouafia
- Laboratoire des Sciences Fondamentales, University Amar Telidji of Laghouat, Po. Box. 37G, Road of Ghardaïa, 03000 Laghouat, Algeria
| | - Nesrin Colak
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey
| | - Faik A Ayaz
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey
| | - Nadhir Gourine
- Laboratoire des Sciences Fondamentales, University Amar Telidji of Laghouat, Po. Box. 37G, Road of Ghardaïa, 03000 Laghouat, Algeria.
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales, University Amar Telidji of Laghouat, Po. Box. 37G, Road of Ghardaïa, 03000 Laghouat, Algeria
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Khenifi ML, Serseg T, Migas P, Krauze-Baranowska M, Özdemir S, Bensouici C, Alghonaim MI, Al-Khafaji K, Alsalamah SA, Boudjeniba M, Yousfi M, Boufahja F, Bendif H, Mahdid M. HPLC-DAD-MS Characterization, Antioxidant Activity, α-amylase Inhibition, Molecular Docking, and ADMET of Flavonoids from Fenugreek Seeds. Molecules 2023; 28:7798. [PMID: 38067527 PMCID: PMC10708475 DOI: 10.3390/molecules28237798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Fenugreek (Trigonella foenum-graecum) has a great beneficial health effect; it has been used in traditional medicine by many cultures. Likewise, the α-amylase inhibitors are potential compounds in the development of drugs for the treatment of diabetes. The beneficial health effects of fenugreek lead us to explore the chemical composition of the seeds and their antioxidant and α-amylase inhibition activities. The flavonoid extraction from fenugreek seeds was achieved with methanol through a Soxhlet apparatus. Then, the flavonoid glycosides were characterized using HPLC-DAD-ESI-MS analysis. The antioxidant capacity of fenugreek seed was measured using DPPH, FRAP, ABTS, and CUPRAC assays. Finally, the α-amylase inhibition activity was carried out using in vitro and in silico methods. The methanolic extract was found to contain high amounts of total phenolics (154.68 ± 1.50 μg GAE/mg E), flavonoids (37.69 ± 0.73 μg QE/mg E). The highest radical-scavenging ability was recorded for the methanolic extract against DPPH (IC50 = 556.6 ± 9.87 μg/mL), ABTS (IC50 = 593.62 ± 9.35 μg/mL). The ME had the best reducing power according to the CUPRAC (A 0.5 = 451.90 ± 9.07 μg/mL). The results indicate that the methanolic extracts of fenugreek seed best α-amylase inhibition activities IC50 = 653.52 ± 3.24 μg/mL. Twenty-seven flavonoids were detected, and all studied flavonoids selected have good affinity and stabilize very well in the pocket of α-amylase. The interactions between the studied flavonoids with α-amylase were investigated. The flavonoids from fenugreek seed present a good inhibitory effect against α-amylase, which is beneficial for the prevention of diabetes and its complications.
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Affiliation(s)
- Mohammed Lamine Khenifi
- Laboratoire d’Ethnobotanique et Substances Naturelles, Departement of Biology, Ecole Normale Supérieure de Kouba, B.P 92, Kouba 16308, Algeria; (M.L.K.); (M.B.); (H.B.); (M.M.)
- Laboratoire des Sciences Appliquées et Didactiques, Ecole Normale Supérieure de Laghouat, B.P 4033 la gare routière, Laghouat 03000, Algeria;
| | - Talia Serseg
- Laboratoire des Sciences Appliquées et Didactiques, Ecole Normale Supérieure de Laghouat, B.P 4033 la gare routière, Laghouat 03000, Algeria;
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat 03000, Algeria;
| | - Piotr Migas
- Pharmacognosy with Medicinal Plants Garden, Medical University of Gdańsk, 80-416 Gdańsk, Poland; (P.M.); (M.K.-B.)
| | - Mirosława Krauze-Baranowska
- Pharmacognosy with Medicinal Plants Garden, Medical University of Gdańsk, 80-416 Gdańsk, Poland; (P.M.); (M.K.-B.)
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School Mersin University, Mersin TR-33343, Turkey;
| | - Chawki Bensouici
- Biotechnology Research Center (CRBT), Ali Mendjli New Town UV 03, B.P E73, Constantine 25016, Algeria;
| | - Mohammed I. Alghonaim
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (M.I.A.); (S.A.A.)
| | - Khattab Al-Khafaji
- Department of Environmental Science, College of Energy and Environmental Science, Al-Karkh University of Science, Baghdad 10081, Iraq;
| | - Sulaiman A. Alsalamah
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (M.I.A.); (S.A.A.)
| | - Messaoud Boudjeniba
- Laboratoire d’Ethnobotanique et Substances Naturelles, Departement of Biology, Ecole Normale Supérieure de Kouba, B.P 92, Kouba 16308, Algeria; (M.L.K.); (M.B.); (H.B.); (M.M.)
| | - Mohamed Yousfi
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat 03000, Algeria;
| | - Fehmi Boufahja
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (M.I.A.); (S.A.A.)
| | - Hamdi Bendif
- Laboratoire d’Ethnobotanique et Substances Naturelles, Departement of Biology, Ecole Normale Supérieure de Kouba, B.P 92, Kouba 16308, Algeria; (M.L.K.); (M.B.); (H.B.); (M.M.)
- Department of Natural and life Sciences, Faculty of Sciences, University of Msila, Msila 28000, Algeria
| | - Mohamed Mahdid
- Laboratoire d’Ethnobotanique et Substances Naturelles, Departement of Biology, Ecole Normale Supérieure de Kouba, B.P 92, Kouba 16308, Algeria; (M.L.K.); (M.B.); (H.B.); (M.M.)
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Linani A, Benarous K, Erol E, Bou-Salah L, Serseg T, Yousfi M. In silico analysis of identified molecules using LC-HR/MS of Cupressus sempervirens L. ethyl acetate fraction against three monkeypox virus targets. J Biomol Struct Dyn 2023:1-16. [PMID: 37982304 DOI: 10.1080/07391102.2023.2283149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 11/06/2023] [Indexed: 11/21/2023]
Abstract
Monkeypox virus is a viral disease transmitted to humans through contact with infected animals, such as monkeys and rodents, or through direct contact with the bodily fluids or lesions of infected humans. The aim of this study is to evaluate in silico the inhibition effect of eight Cupressus sempervirens L. ethyl acetate fraction identified molecules using LC-MS on three monkeypox targets such as the vaccinia virus thymidylate kinase (VTK), the viral profilin-like protein (VPP), and the viral RNA polymerase (VRP). The study consist of using molecular docking with AutoDock vina based on the lowest energy value in kcal/mol, pharmacokinetics prediction with pre-ADMET v2.0 server, and prediction of biological activity with the PASS server tool. The best complexes were subjected to molecular dynamics simulation (MD) study to confirm their stability using Desmond software. The used molecules were vitamin C, vanillic acid (Pol), Flav1 (Catechin), Flav2 (Epicatechin), Flav3 (Hyperoside), Flav4 (Luteolin), Flav5 (Taxifolin), and Flav6 (Quercetin). The results show that flavonoids are potent to VTK, VPP and effectively block the VRP channel with energy values ranging from -7.0 to -9.3 kcal/mol. Further, MD simulation supports Flav1 and, Flav2 for notable stability in the VTK binding pocket through hydrogen and hydrophobic interactions. PASS results predicted various biological activities with promising VTK and VRP inhibition activities. The studied molecules could constitute a safer alternative to current drugs, which often cause adverse side effects.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Abderahmane Linani
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Khedidja Benarous
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Ebru Erol
- Faculty of Pharmacy, Department of Analytical Chemistry, Bezmialem Vakif University, Istanbul, Türkiye
| | - Leila Bou-Salah
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Talia Serseg
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
- Laboratoire de sciences appliquées et didactiques, Ecole Normale Supérieure de Laghouat, Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
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10
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Linani A, Serseg T, Benarous K, Bou-Salah L, Yousfi M, Alama MN, Ashraf GM. Cupressus sempervirens L. flavonoids as potent inhibitors to xanthine oxidase: in vitro, molecular docking, ADMET and PASS studies. J Biomol Struct Dyn 2023; 41:7055-7068. [PMID: 36001586 DOI: 10.1080/07391102.2022.2114943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/14/2022] [Indexed: 10/15/2022]
Abstract
Excessive intake of purine-rich foods such as seafood and red meat leads to excess xanthine oxidase activity and provokes gout attacks. The aim of this paper is to evaluate in vitro and in silico, the inhibition effect of Cupressus sempervirens plant extracts (flavonoids (Cae) and alkaloids (CaK)) and its six derivative compounds on bovine xanthine oxidase (BXO). The in silico study consists of molecular docking with GOLD v4.0 based on the best PLPchem score (PLP) and prediction of biological activity with the PASS server tool. The inhibitors used were lignan (cp1), Amentoflavone (cp2), Cupressuflavone (cp3), Isocryptomerin (cp4), Hinokiflavone (cp5), and Neolignan (cp6). The in vitro results showed that CaK gives an IC50 of 3.52 ± 0.04 μg/ml. Similarly, Cae saved an IC50 of 8.46 ± 1.98 μg/ml compared with the control (2.82 ± 0.10 μg/ml). The in silico results show that cp1 was the best inhibitor model (PLP of 88.09) with approved pharmacokinetics. These findings suggest that cp1 and cp2 may offer good alternatives for the treatment of hyperuricemia; cp3 was moderate, while the others (cp4 to cp6) were considered weak inhibitors according to their PLP.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Abderahmane Linani
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Talia Serseg
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Khedidja Benarous
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
- Biology department, Amar Telidji University, Laghouat, Algeria
| | - Leila Bou-Salah
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Mohammed Nabil Alama
- Department of Cardiology, Faculty of Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Ghulam Md Ashraf
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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11
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Yousfi M, Brahim M, Farhani S, Bouzgarrou H. Revisiting the relationship between business conditions, climate policy uncertainty, and environmental pollution: evidence from the USA. Environ Sci Pollut Res Int 2023; 30:94334-94346. [PMID: 37531062 DOI: 10.1007/s11356-023-28869-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/14/2023] [Indexed: 08/03/2023]
Abstract
This paper aims to revisit the interdependency between business conditions, climate policy change, and the environmental pollution of the USA. Interestingly, our paper represents a completion to the existing literature on three levels at least. First, we propose to analyze this issue during normal periods and periods of turmoil, particularly the COVID-19 outbreak. To do so, contrary to previous studies that used economic growth, we employ the ADS index as a real-time business conditions measurement. Second, we employ a frequency approach, based on the continuous wavelet transform, allowing us to understand the nature of the relationship. Understanding whether the relationship holds in the short- or long-term is useful for policymakers in monitoring public policies to achieve CO2 emission reduction as well as to investors interested in high value-added projects. Our analysis shows that, during the last two decades, the relationship between business conditions as well as climate uncertainty index and CO2 emissions is observed during the long- and short-term, and driven through economic conditions. However, during the crisis periods, the effect is detected across various scales and the relationship is bi-directional. Our results have several practical implications for the US policymakers to consider when setting policies for fighting pollution emissions and environmental protection.
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Affiliation(s)
- Mohamed Yousfi
- Higher Institute of Commercial Studies of Sousse (IHEC Sousse), University of Sousse, Sousse, Tunisia
| | | | - Sahbi Farhani
- Higher Institute of Finance and Taxation of Sousse (ISFFS), University of Sousse, Sousse, Tunisia.
- QUARG UR17ES26, ESCT, Campus University of Manouba, 2010, Manouba, Tunisia.
- IPAG Business School, Paris, France.
| | - Houssam Bouzgarrou
- Higher Institute of Finance and Taxation of Sousse (ISFFS), University of Sousse, Sousse, Tunisia
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12
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Kerroumi S, Hafaf M, Ouanezar C, Lansari A, Bazzi T, Alami A, Benghzal A, Aboubakr A, Maamar D, Yousfi M. What’s the best bowel segment in enterourethroplasty for the salvage of bulbo-membranous stricture? Anatomical study of fresh corpses. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00486-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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13
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Yousfi M, Samuel C, Dadouche T, Mincheva R, Lacrampe MF. Long-chain branched poly(butylene succinate-co-terephthalate) copolyesters: Impact of (reactive) synthesis strategies on melt strenght properties. EXPRESS POLYM LETT 2023. [DOI: 10.3144/expresspolymlett.2023.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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14
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Bouzgarrou H, Ftiti Z, Louhichi W, Yousfi M. What can we learn about the market reaction to macroeconomic surprise? Evidence from the COVID-19 crisis. Res Int Bus Finance 2023; 64:101876. [PMID: 36644680 PMCID: PMC9830854 DOI: 10.1016/j.ribaf.2023.101876] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
We investigate the impact of macroeconomic surprise and uncertainty on G7 financial markets around COVID-19 pandemic using two real-time, real-activity indexes recently constructed by Scotti (2016). We applies the wavelet analysis to detect the response of the stock markets to the macroeconomic surprise and an uncertainty indexes and then we use NARDL model to examine the asymmetric effect of the news surprise and uncertainty on the equity markets. We conduct our empirical analysis with the daily data from January, 2014 to September, 2020. Our findings indicate that G7 stock markets are sensitive to the macroeconomic surprise and uncertainty and the effect is more pronounced at the long term than the short term. Moreover, we show that the COVID-19 crisis supports the relationship between the macroeconomic indexes and the stock prices. The results are useful for investment decision-making for the investors on the G7 stock indices at different investment horizons.
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Affiliation(s)
- Houssam Bouzgarrou
- University of Sousse, Tunisia
- Higher Institute of Commercial Studies of Sousse (IHEC Sousse), University of Sousse, Tunisia
| | - Zied Ftiti
- EDC Paris Business School, OCRE Research Lab, France
| | | | - Mohamed Yousfi
- University of Sousse, Tunisia
- Higher Institute of Commercial Studies of Sousse (IHEC Sousse), University of Sousse, Tunisia
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15
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Benmohamed M, Guenane H, Messaoudi M, Zahnit W, Egbuna C, Sharifi-Rad M, Chouh A, Seghir BB, Rebiai A, Boubekeur S, Azli T, Harrat M, Sawicka B, Atanassova M, Yousfi M. Mineral Profile, Antioxidant, Anti-Inflammatory, Antibacterial, Anti-Urease and Anti-α-Amylase Activities of the Unripe Fruit Extracts of Pistacia atlantica. Molecules 2023; 28:molecules28010349. [PMID: 36615545 PMCID: PMC9824078 DOI: 10.3390/molecules28010349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/16/2022] [Accepted: 12/17/2022] [Indexed: 01/03/2023]
Abstract
Pistacia Atlantica in folk medicine is used by Algerian traditional healers for treating a wide variety of diseases and conditions including dyspepsia, digestive problems, peptic ulcers, and, in particular, inflammatory diseases. The present study aimed to assess the phytochemical composition, in vitro antioxidant activity (using 2,2-diphenyl-1-picrylhydrazyl (DPPH), ABTS+, and reducing power methods), enzyme inhibitory activity (towards α-amylase and urease), antibacterial activity, and in vivo anti-inflammatory activity of the unripe fruit extracts of Pistacia atlantica collected from different parts of the Djelfa region of Algeria. According to the findings, various aqueous extracts exhibited significant antioxidant and enzymatic activities in all tests, but showed that they have a weak inhibitory effect against all tested bacterial strains. Twenty-one minerals comprising both macro- and microelements (Ba, Br, Ca, Cl, Co, Cr, Cs, Eu, Fe, K, Mg, Mn, Mo, Na, Rb, Sb, Sc, Sr, Th, U, and Zn) were determined using the technique of neutron activation analysis (INAA). The result indicates that the concentration of the mineral element is close to the minimal FAO recommendation. In addition, the result revealed significant anti-inflammatory activities. The data generated can be a valuable source of information for the pharmaceutical industry and medical research. These results suggest that the unripe fruit extracts of Pistacia atlantica have an appropriate potential to be utilized across a wide range of contexts as an agent with multifunctional uses, as well as a natural remedy for other physiological diseases.
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Affiliation(s)
- Mokhtar Benmohamed
- Laboratory of Fundamental Sciences, University Amar Télidji of Laghouat, Road of Ghardaïa, Laghouat 03000, Algeria
| | - Hamid Guenane
- Laboratory of Fundamental Sciences, University Amar Télidji of Laghouat, Road of Ghardaïa, Laghouat 03000, Algeria
| | - Mohammed Messaoudi
- Nuclear Research Centre of Birine, Ain Oussera, Djelfa 17200, Algeria
- Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El Oued 39000, Algeria
| | - Wafa Zahnit
- Laboratoire de Valorisation et Promotion des Ressources Sahariennes (VPRS), Département de Chimie, Faculté des Mathématiques et des Sciences de la Matière, Université de Ouargla, Ouargla 30000, Algeria
| | - Chukwuebuka Egbuna
- Nutritional Biochemistry and Toxicology Unit, World Bank Africa Centre of Excellence, Centre for Public Health and Toxicological Research (ACE-PUTOR), Department of Biochemistry, University of Port-Harcourt, Rivers State 500001, Nigeria
| | - Majid Sharifi-Rad
- Department of Range and Watershed Management, Faculty of Water and Soil, University of Zabol, Zabol 98613-35856, Iran
| | - Amina Chouh
- Laboratory of Microbiological Engineering and Application, Department of Biochemistry and Molecular and Cellular Biology, University of Mentouri Brothers Constantine 1, Constantine 25017, Algeria
- Biotechnology Research Center CRBT, Constantine 25016, Algeria
| | - Bachir Ben Seghir
- Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El Oued 39000, Algeria
| | - Abdelkrim Rebiai
- Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El Oued 39000, Algeria
| | - Sihem Boubekeur
- Research and Development Centre RDC-SAIDAL, 35 Benyoucef Khattab Avenue, Mohammadi, El-Harrah, Algiers 16000, Algeria
| | - Tarek Azli
- Nuclear Research Centre of Draria, Algries 16050, Algeria
| | - Mohamed Harrat
- Laboratory of Fundamental Sciences, University Amar Télidji of Laghouat, Road of Ghardaïa, Laghouat 03000, Algeria
| | - Barbara Sawicka
- Department of Plant Production Technology and Commodities Science, University of Life Science in Lublin, Akademicka 15 Str., 20-950 Lublin, Poland
| | - Maria Atanassova
- Nutritional Scientific Consulting, Chemical Engineering, University of Chemical Technology and Metalurgy, 1734 Sofia, Bulgaria
- Correspondence:
| | - Mohamed Yousfi
- Laboratory of Fundamental Sciences, University Amar Télidji of Laghouat, Road of Ghardaïa, Laghouat 03000, Algeria
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16
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Saloumi N, Daki I, El Bouchti M, Oumam M, Manoun B, Yousfi M, Hannache H, Cherkaoui O. Development and Characterization of Phosphate Glass Fibers and Their Application in the Reinforcement of Polyester Matrix Composites. Materials (Basel) 2022; 15:7601. [PMID: 36363195 PMCID: PMC9654279 DOI: 10.3390/ma15217601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/20/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
This study focused on the production and characterization of phosphate glass fibers (PGF) for application as composite reinforcement. Phosphate glasses belonging to the system 52P2O524CaO13MgO (11-(X + Y)) K2OXFe2O3YTiO2 (X:1, 3, 5) and (Y:0.5, 1) were elaborated and converted to phosphate glass fibers. First, their mechanical properties and chemical durability were investigated. Then, the optimized PGF compositions were used afterward as reinforcement for thermosetting composite materials. Polyester matrices reinforced with short phosphate glass fibers (sPGF) up to 20 wt % were manufactured by the contact molding process. The mechanical and morphological properties of different sPGF-reinforced polyester systems were evaluated. The choice between the different phosphate-based glass syntheses (PGFs) was determined by their superior mechanical performance, their interesting chemical durability, and their high level of dispersion in the polyester matrix without any ad sizing as proven by SEM morphological analysis. Moreover, the characterization of mechanical properties revealed that the tensile and flexural moduli of the developed polyester-based composites were improved by increasing the sPGF content in the polymer matrix in perfect agreement with Takayanagi model predictions. The present work thus highlights some promising results to obtain high-quality phosphate glass fiber-reinforced polyester parts which can be transposed to other thermosetting or thermoplastic-based composites for high-value applications.
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Affiliation(s)
- Nezha Saloumi
- Textile Materials Research Laboratory (REMTEX), Higher School of Textile and Clothing Industries (ESITH), Casablanca 20000, Morocco
- Engineering and Materials Laboratory (LIMAT), Faculty of Science Ben M’Sik, Hassan II University, Casablanca 20670, Morocco
| | - Iliass Daki
- Textile Materials Research Laboratory (REMTEX), Higher School of Textile and Clothing Industries (ESITH), Casablanca 20000, Morocco
- Engineering and Materials Laboratory (LIMAT), Faculty of Science Ben M’Sik, Hassan II University, Casablanca 20670, Morocco
| | - Mehdi El Bouchti
- Textile Materials Research Laboratory (REMTEX), Higher School of Textile and Clothing Industries (ESITH), Casablanca 20000, Morocco
| | - Mina Oumam
- Engineering and Materials Laboratory (LIMAT), Faculty of Science Ben M’Sik, Hassan II University, Casablanca 20670, Morocco
| | - Bouchaib Manoun
- Materials Science and Nanoengineering Department, Mohamed VI Polytechnic University, Benguerir 43150, Morocco
- Radiation-Matter and Instrumentation, Hassan First University of Settat, FST, Settat 26000, Morocco
| | - Mohamed Yousfi
- Univ Lyon, CNRS, UMR 5223, Polymeric Materials Engineering, University Claude Bernard Lyon 1, INSA Lyon, University Jean Monnet, F-69621 Villeurbanne, France
| | - Hassan Hannache
- Engineering and Materials Laboratory (LIMAT), Faculty of Science Ben M’Sik, Hassan II University, Casablanca 20670, Morocco
- Materials Science and Nanoengineering Department, Mohamed VI Polytechnic University, Benguerir 43150, Morocco
| | - Omar Cherkaoui
- Textile Materials Research Laboratory (REMTEX), Higher School of Textile and Clothing Industries (ESITH), Casablanca 20000, Morocco
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17
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Beseda M, Paláček S, Gadéa F, Leininger T, Kalus R, Benhenni M, Yousfi M. Ab initio approaches for N2+ and N2+/He ions towards modeling of the N2+ ion in cold helium plasma. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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18
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El Omari Y, Yousfi M, Duchet-Rumeau J, Maazouz A. Recent Advances in the Interfacial Shear and Dilational Rheology of Polymer Systems: From Fundamentals to Applications. Polymers (Basel) 2022; 14:polym14142844. [PMID: 35890621 PMCID: PMC9320100 DOI: 10.3390/polym14142844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/02/2022] [Accepted: 07/07/2022] [Indexed: 02/04/2023] Open
Abstract
The study of the viscoelastic properties of polymer systems containing huge internal two-dimensional interfacial areas, such as blends, foams and multilayer films, is of growing interest and plays a significant role in a variety of industrial fields. Hence, interfacial rheology can represent a powerful tool to directly investigate these complex polymer–polymer interfaces. First, the current review summarizes the theoretical basics and fundamentals of interfacial shear rheology. Particular attention has been devoted to the double-wall ring (DWR), bicone, Du Noüy ring and oscillating needle (ISR) systems. The measurement of surface and interfacial rheological properties requires a consideration of the relative contributions of the surface stress arising from the bulk sub-phases. Here, the experimental procedures and methodologies used to correct the numerical data are described considering the viscoelastic nature of the interface. Second, the interfacial dilational rheology is discussed, starting with the theory and underlying principles. In particular, the Langmuir trough method, the oscillating spinning drop technique and the oscillating pendant drop technique are investigated. The major pioneering studies and latest innovations dedicated to interfacial rheology in both shear and dilatation–compression are highlighted. Finally, the major challenges and limits related to the development of high-temperature interfacial rheology at the molten state are presented. The latter shows great potential for assessing the interfaces of polymer systems encountered in many high-value applications.
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Affiliation(s)
- Younes El Omari
- Université de Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon 1, INSA Lyon, Université Jean Monnet, CEDEX, F-69621 Villeurbanne, France; (Y.E.O.); (J.D.-R.); (A.M.)
| | - Mohamed Yousfi
- Université de Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon 1, INSA Lyon, Université Jean Monnet, CEDEX, F-69621 Villeurbanne, France; (Y.E.O.); (J.D.-R.); (A.M.)
- Correspondence:
| | - Jannick Duchet-Rumeau
- Université de Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon 1, INSA Lyon, Université Jean Monnet, CEDEX, F-69621 Villeurbanne, France; (Y.E.O.); (J.D.-R.); (A.M.)
| | - Abderrahim Maazouz
- Université de Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon 1, INSA Lyon, Université Jean Monnet, CEDEX, F-69621 Villeurbanne, France; (Y.E.O.); (J.D.-R.); (A.M.)
- Hassan II Academy of Science and Technology, Rabat 69621, Morocco
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19
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Ahmed ZB, Hefied F, Mahammed TH, Seidel V, Yousfi M. Identification of potential
anti‐Alzheimer
agents from
Pistacia atlantica
Desf. galls using
UPLC
fingerprinting, chemometrics, and molecular docking analyses. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ziyad Ben Ahmed
- Laboratoire des Sciences Fondamentale Université Amar Telidji Laghouat Algérie
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel (VUB), Brussels Belgium
| | - Fatiha Hefied
- Laboratoire des Sciences Fondamentale Université Amar Telidji Laghouat Algérie
| | | | - Veronique Seidel
- Natural Products Research Laboratory, Strathclyde Institute of Pharmacy and Biomedical Sciences University of Strathclyde Glasgow UK
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentale Université Amar Telidji Laghouat Algérie
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20
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Benguechoua MI, Benarous K, Benahmed Z, Boukhalkhal S, Silva AMS, Yousfi M. Quinic and digallic acids from Pistacia atlantica Desf. leaves extracts as potent dual effect inhibitors against main protease and RNA-dependent RNA polymerase of SARS-CoV-2. Curr Comput Aided Drug Des 2022; 18:307-317. [DOI: 10.2174/1573409918666220616121449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/12/2022] [Accepted: 05/05/2022] [Indexed: 11/22/2022]
Abstract
Background:
Through this study, the Chemical composition realized by UHPLC-DAD-ESI-MSn allowed the detection of different phenolic compounds groups from Pistacia atlantica Desf. leaves extracts. We studied the inhibition of main protease (CL3 Mpro) and RNA-dependent RNA polymerase (RdRp) of the SARS-CoV-2 by the identified molecules through molecular docking.
Objective:
The objective of this study is to identify compounds from Pistacia atlantica Desf. leaves extracts, which might have anti-viral effects.
Methods:
Chemical composition realized by UHPLC-DAD-ESI-MSn, the inhibition of main protease (CL3 Mpro) and RNA-dependent RNA polymerase (RdRp) of the SARS-CoV-2 is studied using molecular docking with Autodock Vina software. ADMET analysis was carried out.
Results:
The identified compounds are quinic acid, digallic acid, galloylquinic acid, gallic acid, trigallic acid, digalloylquinic acids, trigalloylquinic acids and methyl gallate; digallic and quinic acids are the best inhibitors. Digallic acid had binding affinity energy (BAE) of -8.2 kcal/mol, and Ki of 1µM for the CL3 Mpro, Ki of 0.62 mM for the RdRp. Quinic acid showed Ki of 4.6 mM, recorded for both enzymes. Through ADMET analysis, we have found that the two molecules are good drugs candidate.
Conclusion:
This is the first time that a group of identified compounds from Pistacia atlantica Desf. leaves is studied for their potential activity against the novel virus by inhibiting two key enzymes in its life cycle, and no further studies have been published in this context.
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Affiliation(s)
| | - Khedidja Benarous
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Ziyad Benahmed
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Sarah Boukhalkhal
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
| | - Artur M. S. Silva
- Department of Chemistry and QOPNA, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mohamed Yousfi
- Fundamental sciences laboratory, Amar Telidji University, Laghouat, Algeria
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21
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Benamrouche N, Belkader C, Njamkepo E, Zemam SS, Sadat S, Saighi K, Boutabba DT, Mechouet F, Benhadj-Slimani R, Zmit FZ, Rauzier J, Kias F, Zouagui S, Ruckly C, Yousfi M, Zertal A, Chouikrat R, Quilici ML, Weill FX. Outbreak of Imported Seventh Pandemic Vibrio cholerae O1 El Tor, Algeria, 2018. Emerg Infect Dis 2022; 28:1241-1245. [PMID: 35608654 PMCID: PMC9155889 DOI: 10.3201/eid2806.212451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
After a lull of >20 years, Algeria experienced a cholera outbreak in 2018 that included 291 suspected cases. We found that outbreak isolates were Vibrio cholerae O1 serotype Ogawa from seventh pandemic El Tor sublineage AFR14, which corresponds to a new introduction of cholera into Africa from South Asia.
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22
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Linani A, Benarous K, Bou-Salah L, Yousfi M. The inhibitory kinetics of vitamins B9, C, E, and D3 on bovine xanthine oxidase: Gout treatment. Chem Biol Interact 2022; 359:109922. [PMID: 35395231 DOI: 10.1016/j.cbi.2022.109922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/16/2022] [Accepted: 03/31/2022] [Indexed: 12/25/2022]
Abstract
BACKGROUND Over-consumption of foods high in purines like seafood, red meat, and alcoholic beverages leads to hyperuricemia causing gout attacks. Xanthine oxidase was reported responsible for the overproduction of uric acid. MATERIAL AND METHODS We intend to test in silico and in vitro, the inhibition effect of four vitamins against bovine milk xanthine oxidase (BXO). We performed Molecular docking with GOLD v4.0, and the biological activity prediction with the PASS server. The best-selected vitamins were chosen based on their best PLPchem score. The BXO constant Km and Vmax were determined in vitro, and then the vitamins were tested for their inhibition effect to BXO. Furthermore, the inhibition constant Ki of each inhibitor were determined using Dixon method, the vitamins chosen were vitamin E, vitamin B9, vitamin D3, and vitamin C. RESULTS The in silico results show that the tested vitamins were the best inhibitors model with PLPchem scores up to 70 comparing to the control. The in vitro results show that BXO have a Km value of 163.55 μM with Vmax of 37 U, vitamins B9, E, C, and D3 were potent inhibitors to BXO with an IC50 of 34.10 ± 0.21, 36.68 ± 1.50, 39.01 ± 0.02, and 100.28 ± 0.33 μM, respectively comparing to the control (32.03 ± 0.73 μM). The kinetic study shows that all tested vitamins were Non-competitive inhibitors, the Ki values were 15 ± 1.76 μM, 29 ± 1.06 μM, 12 ± 1.41 μM, and 20 ± 0.71 μM, for respectively vitamins B9, E, C, and D3. CONCLUSION The obtained results promise an excellent strategy using vitamins to enhance immunity, treat hyperuricemia, and minimize the usual drug side effects.
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Affiliation(s)
- Abderahmane Linani
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria.
| | - Khedidja Benarous
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria; Biology Department, Amar Telidji University, Laghouat, Algeria
| | - Leila Bou-Salah
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria
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Managi S, Yousfi M, Ben Zaied Y, Ben Mabrouk N, Ben Lahouel B. Oil price, US stock market and the US business conditions in the era of COVID-19 pandemic outbreak. Econ Anal Policy 2022; 73:129-139. [PMID: 34898815 PMCID: PMC8648370 DOI: 10.1016/j.eap.2021.11.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/02/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
This paper contributes to Covid-19 outbreak impacts literature. We investigate the connectedness between stock market and oil prices under bullish and bearish economic conditions and uncertainty level at different investment horizons. We applied the wavelet framework on daily dataset cover the pre-COVID-19 and COVID-19 period. We find that the linkage between the economic and financial pairs is characterized by significant changes over the time during the sample period, where the huge co-movements has been identified during the pandemic period at the low scale. We show that due to lockdown policy and oil price shock, the stock return decline, the aggregate business conditions reached its lowest level and the uncertainty increase. The result indicates that the COVID-19 outbreak negatively affects the economy and the financial markets and support the sensitivity, especially between oil-stock, and economic condition and uncertainty.
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Affiliation(s)
| | | | | | - Nejah Ben Mabrouk
- Department of Management Information Systems and Production Management, College of Business and Economics (CBE) - Qassim University, Buridah, Kingdom of Saudi Arabia
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Yousfi M, Samuel C, Soulestin J, Lacrampe MF. Rheological Considerations in Processing Self-Reinforced Thermoplastic Polymer Nanocomposites: A Review. Polymers (Basel) 2022; 14:637. [PMID: 35160626 PMCID: PMC8839963 DOI: 10.3390/polym14030637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/04/2022] [Accepted: 02/04/2022] [Indexed: 01/08/2023] Open
Abstract
The present review relates to the field of nanocomposite materials comprising a thermoplastic nanofibrillar phase dispersed in a matrix that is also thermoplastic. The fact of forming the nanofibrillar phase in situ during melt processing gives it the role of a reinforcing nanofiller for thermoplastic materials. This paper discusses the major factors influencing the formation of self-reinforced nanofibrillar polymer composite (NFC) materials throughout manufacturing steps. More specifically, the rheological considerations allowing the prediction of the in situ nanofibrillation during melt blending and post-processing as well as the methods of production of these polymer nanocomposites are described. The major challenges related to the future development in the field of NFCs are addressed. The concept of self-reinforced nanofibrillar polymer materials shows great potential in lightweight eco-design processes and represents a new approach to polymer nanocomposite recycling for a variety of industrial applications.
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Affiliation(s)
- Mohamed Yousfi
- Univ Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon1, INSA Lyon, Université Jean Monnet, F-69621 Villeurbanne, France
| | - Cédric Samuel
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Materials and Processes, F-59000 Lille, France; (C.S.); (J.S.); (M.-F.L.)
| | - Jérémie Soulestin
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Materials and Processes, F-59000 Lille, France; (C.S.); (J.S.); (M.-F.L.)
| | - Marie-France Lacrampe
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Materials and Processes, F-59000 Lille, France; (C.S.); (J.S.); (M.-F.L.)
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Ben Ahmed Z, Hefied F, Yousfi M, Demeyer K, Vander Heyden Y. Study of the antioxidant activity of Pistacia atlantica Desf. Gall extracts and evaluation of the responsible compounds. BIOCHEM SYST ECOL 2022. [DOI: 10.1016/j.bse.2021.104358] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Tarasek D, Wojtasek H, Benarous K, Yousfi M. In vitro oxidation of hispidin and gallic acid by horseradish peroxidase. J Biomol Struct Dyn 2022; 41:2321-2325. [PMID: 35067200 DOI: 10.1080/07391102.2022.2029569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Gallic acid and hispidin have been previously described by us as inhibitors of horseradish peroxidase (Benarous, K., Benali, F. Z., Bekhaoua, I. C., and Yousfi, M. Journal of Biomolecular Structure & Dynamics, (2021) 39(18), 7168-7180). However, additional experiments have demonstrated that under the applied assay conditions both compounds are rapidly oxidized by this enzyme. After oxidation, the components of the reaction mixture undergo complex reactions giving products with much weaker absorption at the detection wavelength. This was interpreted by us as enzyme inhibition, which, however, is only apparent. In fact, the activity of horseradish peroxidase is not affected by these compounds, which was demonstrated by measurements of hydrogen peroxide consumption.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | | | - Khedidja Benarous
- Laboratoire des sciences fondamentales, faculté des sciences, Université Amar Telidji-Laghouat, Laghouat, Algérie
| | - Mohamed Yousfi
- Laboratoire des sciences fondamentales, faculté des sciences, Université Amar Telidji-Laghouat, Laghouat, Algérie
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Linani A, Benarous K, Bou-Salah L, Yousfi M, Goumri-Said S. Exploring Structural Mechanism of COVID-19 Treatment with Glutathione as a Potential Peptide Inhibitor to the Main Protease: Molecular Dynamics Simulation and MM/PBSA Free Energy Calculations Study. Int J Pept Res Ther 2022; 28:55. [PMID: 35079241 PMCID: PMC8777181 DOI: 10.1007/s10989-022-10365-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2022] [Indexed: 01/08/2023]
Abstract
The 2019-novel coronavirus has unfolded everywhere in the world and obliged a billion human beings in open confinement, whereas many treatments, and vaccines have been proposed towards this pandemic. The main protease (Mpro) is an attractive drug target due to the fact that it is the essential protein for virus invasion. This research tests in silico the effect of five vitamins towards Mpro, by employing molecular docking (MD), molecular dynamics simulation (MDS) with molecular mechanics–Poisson–Boltzmann surface area (MM–PBSA) studies. To achieve this work, we have applied some software’s as Autodock Vina, Discovery Studio Visualizer, APBS, and GROMACS. The inhibitors used were decided entirely on the basis of their importance in the production of red blood cells that prevent anemia, in lymphocyte immune system responses, in the regulation of reactive oxygen species production, such as tocopherol (vitamin E), thiamine (vitamin B1), pantothenic acid (vitamin B5), pyridoxine (vitamin B6), biotin (vitamin B7), and glutathione (GSH). The best inhibitor pose established at the highest repetition ratio (RR) and the minimal affinity energy value (MEV), then the best selected inhibitor was considered to MDS. The results indicate that GSH is the leading inhibitor model among the other tested vitamins in the active site of Mpro with a RR value of 94% and MEV of − 5.5 kcal/mol, its RMSD, RMSF, Rg, and hydrogen bonds show stability with Mpro. Furthermore, thiamine, biotin, and tocopherol are viewed as satisfying inhibitors to Mpro, but pyridoxine was observed as the weakest inhibitor. Based on our result, we could recommend the usage of glutathione and vitamin B family as a supportive strategy for feasible remedy of COVID-19 virus.
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Affiliation(s)
- Abderahmane Linani
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat, Algeria
| | - Khedidja Benarous
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat, Algeria
| | - Leila Bou-Salah
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental Sciences Laboratory, Amar Telidji University, Laghouat, Algeria
| | - Souraya Goumri-Said
- Physics Department, College of Science, Alfaisal University, P.O. Box 50927, Riyadh, 11533 Saudi Arabia
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Luu M, Vabres P, Devilliers H, Loffroy R, Phan A, Martin L, Morice-Picard F, Petit F, Willems M, Bessis D, Jacquemont ML, Maruani A, Chiaverini C, Mirault T, Clayton-Smith J, Carpentier M, Fleck C, Maurer A, Yousfi M, Parker VER, Semple RK, Bardou M, Faivre L. Safety and efficacy of low-dose PI3K inhibitor taselisib in adult patients with CLOVES and Klippel-Trenaunay syndrome (KTS): the TOTEM trial, a phase 1/2 multicenter, open-label, single-arm study. Genet Med 2021; 23:2433-2442. [PMID: 34385668 PMCID: PMC8631579 DOI: 10.1038/s41436-021-01290-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 07/13/2021] [Accepted: 07/13/2021] [Indexed: 11/08/2022] Open
Abstract
PURPOSE PIK3CA pathogenic variants in the PIK3CA-related overgrowth spectrum (PROS) activate phosphoinositide 3-kinase signaling, providing a rationale for targeted therapy, but no drug has proven efficacy and safety in this population. Our aim was to establish the six-month tolerability and efficacy of low-dose taselisib, a selective class I PI3K inhibitor, in PROS patients. METHODS Patients over 16 years with PROS and PIK3CA pathogenic variants were included in a phase IB/IIA multicenter, open-label single-arm trial (six patients at 1 mg/day of taselisib, then 24 at 2 mg/day). The primary outcome was the occurrence of dose limiting toxicity (DLT). Efficacy outcomes were the relative changes after treatment of (1) tissue volume at affected and unaffected sites, both clinically and on imaging; (2) cutaneous vascular outcomes when relevant; (3) biologic parameters; (4) quality of life; and (5) patient-reported outcomes. RESULTS Among 19 enrolled patients, 2 experienced a DLT (enteritis and pachymeningitis) leading to early trial termination (17 treated, 10 completed the study). No serious adverse reaction occurred in the 1 mg cohort (n = 6). No significant reduction in affected tissue volume was observed (mean -4.2%; p = 0.81; SD 14.01). Thirteen (76.4%) participants reported clinical improvement (pain reduction, chronic bleeding resolution, functional improvement). CONCLUSION Despite functional improvement, the safety profile of low-dose taselisib precludes its long-term use.
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Affiliation(s)
- M Luu
- Centre d'Investigation Clinique-module plurithématique, CHU, Dijon, France.
- INSERM CIC1432, UBFC, Dijon, France.
| | - P Vabres
- Centre référence MAGEC, Dijon, France
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs et FHU TRANSLAD, CHU, Dijon, France
| | - H Devilliers
- INSERM CIC1432, UBFC, Dijon, France
- Centre d'Investigation Clinique-module épidémiologie clinique, CHU, Dijon, France
| | - R Loffroy
- Radiologie Interventionnelle, CHU, Dijon, France
| | - A Phan
- Dermatologie Pédiatrique, HFME, Lyon, France
| | - L Martin
- Centre référence MAGEC, CHU, Angers, France
| | | | - F Petit
- Centre de référence Anomalies du Développement et Syndromes Malformatifs, CHU, Lille, France
| | - M Willems
- Centre de référence Anomalies du Développement et Syndromes Malformatifs, Montpellier, France
| | - D Bessis
- Service de Dermatologie, CHU, Montpellier, France
| | - M L Jacquemont
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs, CHU La Réunion, Saint-Pierre, France
| | - A Maruani
- Centre référence MAGEC, CHU, Tours, France
| | | | - T Mirault
- Centre de référence maladies vasculaires rares, Hôpital européen Georges-Pompidou, AP-HP, Paris, France
- INSERM U970 PARCC, Université de Paris, Paris, France
| | - J Clayton-Smith
- Clinical Genetics and Manchester Centre for Genomic Medicine, NHS and Manchester University, Manchester, UK
| | - M Carpentier
- Délégation à la Recherche Clinique et de l'Innovation, CHU, Dijon, France
| | - C Fleck
- Délégation à la Recherche Clinique et de l'Innovation, CHU, Dijon, France
| | - A Maurer
- Centre d'Investigation Clinique-module plurithématique, CHU, Dijon, France
- INSERM CIC1432, UBFC, Dijon, France
| | - M Yousfi
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs et FHU TRANSLAD, CHU, Dijon, France
| | | | - R K Semple
- Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
| | - M Bardou
- Centre d'Investigation Clinique-module plurithématique, CHU, Dijon, France
- INSERM CIC1432, UBFC, Dijon, France
| | - L Faivre
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs et FHU TRANSLAD, CHU, Dijon, France
- INSERM UMR1231 GAD, Génétique des Anomalies du Développement, Université Bourgogne Franche-Comté, Dijon, France
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Serseg T, Benarous K, Yousfi M. Hispidin and Lepidine E: Two Natural Compounds and Folic Acid as Potential Inhibitors of 2019-novel Coronavirus Main Protease (2019- nCoVM pro), Molecular Docking and SAR Study. Curr Comput Aided Drug Des 2021; 17:469-479. [PMID: 32321407 DOI: 10.2174/1573409916666200422075440] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/19/2020] [Accepted: 04/08/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND 2019-nCoVis, a novel coronavirus was isolated and identified in 2019 in the city of Wuhan, China. On February 17, 2020 and according to the World Health Organization, 71, 429 confirmed cases worldwide were identified, among them 2162 new cases were recorded in the last 24 hours. One month later, the confirmed cases jumped to 179111, with 11525 new cases in the last 24 hours, with 7426 total deaths. No drug or vaccine is present at the moment for human and animal coronavirus. METHODS The inhibition of 3CL hydrolase enzyme provides a promising therapeutic principle for developing treatments against CoViD-19. The 3CLpro (Mpro) is known for involving in counteracting the host innate immune response. RESULTS This work presents the inhibitory effect of some natural compounds against 3CL hydrolase enzyme, and explains the main interactions in inhibitor-enzyme complex. Molecular docking study was carried out using Autodock Vina. By screening several molecules, we identified three candidate agents that inhibit the main protease of coronavirus. Hispidin, lepidine E, and folic acid are bound tightly in the enzyme, therefore strong hydrogen bonds have been formed (1.69-1.80Å) with the active site residues. CONCLUSION This study provides a possible therapeutic strategy for CoViD-19.
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Affiliation(s)
- Talia Serseg
- Laboratoire des Sciences Fondamentales, Faculte des Sciences, Universite Amar Telidji, Laghouat, Algeria
| | - Khedidja Benarous
- Laboratoire des Sciences Fondamentales, Faculte des Sciences, Universite Amar Telidji, Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales, Faculte des Sciences, Universite Amar Telidji, Laghouat, Algeria
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Souadia A, Gourine N, Yousfi M. Fingerprint and relationship composition-antioxidant activity of the essential oil of Saccocalyx satureioides Coss. & Dur. BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Talia S, Benarous K, Lamrani M, Yousfi M. Lepidine B from Lepidium sativum Seeds as Multi-Functional Anti- Alzheimer's Disease Agent: In Vitro and In Silico Studies. Curr Comput Aided Drug Des 2021; 17:360-377. [PMID: 32116197 DOI: 10.2174/1573409916666200302120305] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/29/2020] [Accepted: 02/07/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The present study is carried out to screen the anticholinesterase effect of the total alkaloids of L. sativum seeds and other plants, and studied the ability of Lepidine B & E to inhibit AChE, BuChE, BACE, and MAGL. Hence, determining the main interactions in the inhibitorenzyme complex. METHODS Inhibitory effect of Lepidium sativum, Juniperus phoenicea and Juniperus oxycedrus extracts on acetylcholinesterase using the Ellman method was investigated with Donepezil as the positive control. A molecular docking study is achieved using Autodock Vina. The structures of target molecules Lepidine B & E and the four enzymes were obtained from the PubChem database and Protein databank. RESULTS Alkaloidal extract of Lepidium sativum and ethyl acetate extracts of Juniperus phoenicea and Juniperus oxycedrus exhibit a strong acetylcholinesterase inhibitory activity with IC50 values of 0.59 ± 0.04, 0.57 ± 0.00 and 0.49 ± 0.00 mg/mL, respectively using Donepezil <0.25 mg/mL as a positive control. The major components of alkaloids of L. sativum, Lepidine B & E bind tightly to AChE and BuChE as much as galantamine and donepezil. We suggest that Lepidine B is a noncompetitive inhibitory by interacting with PAS of AChE and BuChE, therefore it is capable to prevent the HuAChE-induced Aβ aggregation. All the complexes of Lepidine B &E with the four enzymes show significant, several and different interactions. CONCLUSION Our current study indicates that Lepidine B & E are promising anti-AD drugs and might become drug candidates to prevent Alzheimer's disease due to their multiple roles as potent inhibitors for AChE, BuChE, BACE, and MAGL. Indeed, they could inhibit Aβ fibrillogenesis. No previous results about the inhibitory effect of Lepidine B & E on the AChE, BuChE, β secretase, and monoacylglycerol lipase were reported.
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Affiliation(s)
- Serseg Talia
- Fundamental Science Laboratory, Amar Telidji University, Laghouat, Algeria
| | - Khedidja Benarous
- Fundamental science laboratory, Amar Telidji University, Laghouat, Algeria
| | - Meriem Lamrani
- Fundamental science laboratory, Amar Telidji University, Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental science laboratory, Amar Telidji University, Laghouat, Algeria
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Chelghoum M, Guenane H, Tahri D, Laggoun I, Marfoua FZ, Rahmani FZ, Khenifer F, Yousfi M. Influence of altitude, precipitation, and temperature factors on the phytoconstituents, antioxidant, and α-amylase inhibitory activities of Pistacia atlantica. Food Measure 2021. [DOI: 10.1007/s11694-021-01006-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Benguechoua MI, Benguechoua M, Gourine N, Silva AMS, Saidi M, Yousfi M. Harvest date and variability in lipid bioactive compounds in Pistacia atlantica. MNM 2021. [DOI: 10.3233/mnm-200511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: The present work stands as an endeavor to uncover the ideal harvesting time of leaves in which they exhibits the maximum contents of bioactive molecules such as essential fatty acids, tocopherols and carotenoids. METHODS: A large scale investigation was carried out for the leaves of Pistacia atlantica involving a large number of populations collected over a period of four months during the growing season. The antioxidant activity was evaluated using both DPPH and β-carotene assays. The chemical percentage variability of the fatty acids was investigated using statistical analysis methods (Agglomerative Hierarchical Clustering “AHC”, also cited as CAH). OBJECTIVE: During the growth period, the effects of harvesting date on the total contents of lipids, tocopherols, carotenoids, fatty acids composition and also the antioxidant activities of the lipids were investigated. RESULTS: The content of myristic acid and other saturated fatty acids increased during leaf development, while linoleic, linolenic acids and unsaturated fatty acids decreased. The highest percentages of both linolenic C18:3 (27.25±5.92%) and linoleic acids C18:2 (17.68±3.80%) were obtained for the month of May at the first stage of leaves development (young leaves), but higher percentage levels of C18:1, were obtained for both consecutive months of August & September (28.83±6.50%; 27.79±8.63%, respectively) at intermediate developing stage. The lipids, tocopherols, carotenoids contents and the saturated and unsaturated fatty acids were dependent on the harvest time. The antioxidant activity showed higher powers at the first developing stage (May). Two main clusters and two sub-clusters of the fatty acids were distinguished and were also depending clearly on the period of the collection. CONCLUSIONS: The results showed that the FA were dependent on the period of collection of the leaves. The main result of this study illustrate the nutritional potential (richness in MUFA such as C18:1, 2, 3) of the oil of P. atlantica leaves, which can provide opportunities for rational exploitation in the food industries or for medicinal purposes.
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Affiliation(s)
- Mebarka Imane Benguechoua
- Laboratoire des Sciences Fondamentales (LSF), Université Amar Télidji Laghouat, Laghouat, Algeria
- Laboratoire de Valorisation et Promotion des Ressources Sahariennes (LVPRS), Faculté des Mathématiques et des Sciences de la Matière, Université de Ouargla, Ouargla, Algeria
| | - Madjda Benguechoua
- Laboratoire des Sciences Fondamentales (LSF), Université Amar Télidji Laghouat, Laghouat, Algeria
| | - Nadhir Gourine
- Laboratoire des Sciences Fondamentales (LSF), Université Amar Télidji Laghouat, Laghouat, Algeria
| | - Artur M. S. Silva
- Department of Chemistry and QOPNA, University of Aveiro, Aveiro, Portugal
| | - Mokhtar Saidi
- Laboratoire de Valorisation et Promotion des Ressources Sahariennes (LVPRS), Faculté des Mathématiques et des Sciences de la Matière, Université de Ouargla, Ouargla, Algeria
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales (LSF), Université Amar Télidji Laghouat, Laghouat, Algeria
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Asseli B, Djeridane A, Mahfoudi R, Yousfi M. High anti-inflammatory and antidiabetic activities of Hammada elegans (Bge.)Botsch (Chenopodiaceae) extracts: an in vivo assessment. J Diabetes Metab Disord 2021; 20:427-438. [PMID: 34178849 PMCID: PMC8212334 DOI: 10.1007/s40200-021-00762-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/03/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Several medicinal plants are used in the steep area of Algeria (Laghouat) for treatment of inflammation and diabetes. Furthermore, Hammada elegans Botsch. (Chenopodiaceae) a xerophytic plant popularly known as (Ajram) is widely spread perennial shrub in Laghouat region and it is traditionally used to treat inflammation and diabete. Then, the objective of this work is to study for the first time the in vivo anti-inflammatory, antidiabetic and acute toxicity effects of acetonic, methanolic and aqueous Hammada elegans Botsch extracts. METHODS The acute toxicity test was performed according to the OECD method using single increasing doses (50-1500 mg/kg bw). The anti-inflammatory effect is investigated in Wistar rats by using the rat paw edema assay. The antidiabetic activity was evaluated in vivo using three tests: short-term test (in non-diabetic rats), starch-induced hyperglycemia test (in non-diabetic rats) and long-term alloxan test (experimental diabetes). RESULTS The acute toxicity results show no deaths in rats and no clinical signs of toxicity. The anti-inflammatory effects showed that all extracts significantly inhibit rat paw edema (EC50 less than 345.51 ± 0.29 mg/kg bw). Therefore, the acetonic extract (EC50 = 157.45 ± 0.33 mg/kg bw) had the more active anti-inflammatory activity than that of the standard inhibitor "Ibuprofen". In addition, the evaluation of the antidiabetic activities by three tests shows that: in, in the short-term test, there was no important decrease in normal rats glucose rate, while in the starch-induced hyperglycemia test, the aqueous extract decreased significantly hyperglycemia (57.21 ± 1.24 mg AEAC / kg bw) compared to all tested extracts. While in the long-term test, the acetone extract significantly decreased hyperglycemia (9.18 ± 0.72 mg GEAC / kg bw) compared to all the tested extracts. CONCLUSIONS Hammada elegans Botsch extracts seem to have therapeutic opportunities for the treatment of the inflammation and diabetes.
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Affiliation(s)
- Brahim Asseli
- Laboratory of Fundamental Sciences, University Amar Telidji, PB 37 G, 03000 Laghouat, Algeria
| | - Amar Djeridane
- Laboratory of Fundamental Sciences, University Amar Telidji, PB 37 G, 03000 Laghouat, Algeria
| | - Reguia Mahfoudi
- Laboratory of Fundamental Sciences, University Amar Telidji, PB 37 G, 03000 Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratory of Fundamental Sciences, University Amar Telidji, PB 37 G, 03000 Laghouat, Algeria
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Yousfi M, Ben Zaied Y, Ben Cheikh N, Ben Lahouel B, Bouzgarrou H. Effects of the COVID-19 pandemic on the US stock market and uncertainty: A comparative assessment between the first and second waves. Technol Forecast Soc Change 2021; 167:120710. [PMID: 36536660 PMCID: PMC9753217 DOI: 10.1016/j.techfore.2021.120710] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 02/20/2021] [Accepted: 02/23/2021] [Indexed: 05/20/2023]
Abstract
This paper makes the first comparative assessment of the impacts of the first and second waves of the ongoing COVID-19 pandemic for the US stock market and its uncertainty. To this end, we investigate the dynamic conditional correlation and the asymmetric impacts of shocks on the correlation between the US and Chinese stock markets before and during the COVID-19 crisis. Furthermore, we analyze and compare the relationship between the COVID-19 pandemic and US returns and uncertainty during the first and second waves of the pandemic. First, we find that the dynamic correlation approach supports the presence of volatility spillovers (contagion effects) between the two stock markets, especially during the rapid spread phase of COVID-19 in the US. Second, the analysis of news impact correlation surfaces shows that the shocks to the US and Chinese markets have asymmetric effects on the correlation between the two markets. Finally, we find a persistent link between US returns, uncertainty, and the COVID-19 pandemic during the first and second waves of the outbreak. Our results prove that the pandemic has shown harmful consequences for financial markets in general and the US economy in particular.
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Bou-Salah L, Benarous K, Linani A, Rabhi F, Chaib K, Chine I, Bensaidane H, Yousfi M. Anti-inflammatory drugs as new inhibitors to xanthine oxidase: In vitro and in silico approach. Mol Cell Probes 2021; 58:101733. [PMID: 33957269 DOI: 10.1016/j.mcp.2021.101733] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 01/06/2023]
Abstract
The two important targets to treat gout disease are (1) control the hyperuricemia by the inhibition of Xanthine Oxidase (XO) and (2) treatment of acute attacks of gout by the use of anti-inflammatory drugs. It is important to distinguish between therapy to manage hyperuricemia and to reduce acute inflammation. While reducing hyperuricemia is resolved very slowly with available drugs, gout symptoms like pain and inflammation may become persistent. The objective of this study is to find a relevant treatment with a beneficial double effect. (1) As an anti-inflammatory, analgesic, and antipyretic effect and (2) as XO inhibitory effect, which is the main objective of this study. We investigated the effect of five non-steroidal anti-inflammatory drugs (NSAIDs) against human and bovine milk xanthine oxidases (HXO and BXO) using the double enzyme detection method (DED) and molecular docking with the Autodock vina program. in vitro results show that the NSAIDs give an important inhibition to HXO and BXO with an IC50 of 2.04 ± 0.13 μg/ml, 2.75 ± 0.23 μg/ml, 1.45 ± 0.19 μg/ml, 0.31 ± 0.13 μg/ml and 1.27 ± 0.11 μg/ml, for HXO, and 2.96 ± 0.27 μg/ml, 9.46 ± 0.13 μg/ml, 6.21 ± 1.17 μg/ml, 0.83 ± 0.11 μg/ml, and 3.48 ± 0.13 μg/ml, for BXO, for respectively, Naproxen, Ibuprofen, Diclofenac, Indomethacin, and Celecoxib. Testing the inhibitory activity of these drugs on both XOs shows an important inhibition, especially from Indomethacin, which could be a promising lead compound for reducing acute inflammation and at the same time controlling hyperuricemia.
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Affiliation(s)
- Leila Bou-Salah
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria.
| | - Khedidja Benarous
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria; Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Abderahmane Linani
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Faiza Rabhi
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Kheira Chaib
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Imane Chine
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | | | - Mohamed Yousfi
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria
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Dadouche T, Yousfi M, Samuel C, Lacrampe M, Soulestin J. (Nano)Fibrillar morphology development in biobased poly(butylene
succinate‐co‐adipate
)/poly(amide‐11) blown films. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tarek Dadouche
- Polymers and Composites Technology and Mechanical Engineering Department Institut Mines‐Télécom, IMT Lille Douai Douai France
| | - Mohamed Yousfi
- CNRS, UMR 5223, Ingénierie des Matériaux Polymères, INSA Lyon Université de Lyon Villeurbanne France
| | - Cédric Samuel
- Polymers and Composites Technology and Mechanical Engineering Department Institut Mines‐Télécom, IMT Lille Douai Douai France
| | - Marie‐France Lacrampe
- Polymers and Composites Technology and Mechanical Engineering Department Institut Mines‐Télécom, IMT Lille Douai Douai France
| | - Jérémie Soulestin
- Polymers and Composites Technology and Mechanical Engineering Department Institut Mines‐Télécom, IMT Lille Douai Douai France
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Linani A, Benarous K, Bou-Salah L, Yousfi M. Hispidin, Harmaline, and Harmine as potent inhibitors of bovine xanthine oxidase: Gout treatment, in vitro, ADMET prediction, and SAR studies. Bioorg Chem 2021; 112:104937. [PMID: 33932770 DOI: 10.1016/j.bioorg.2021.104937] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/18/2021] [Accepted: 04/19/2021] [Indexed: 01/20/2023]
Abstract
Alkaloids and phenols are potent inhibitors family for many enzymes used in many therapies. We aim to evaluate in vitro and in silico, the inhibition effect of Hispidin, Harmaline, and Harmine as pure molecules to bovine milk xanthine oxidase (BXO), Molecular docking and SAR study with GOLD was done to explain the mechanism of action related to its inhibition, ADMET parameters were checked to confirm their pharmacokinetics (PK) using preADMET 2.0 server, we classified our inhibitors by applying five drug-likeness rules, the best-ranked inhibitors were chosen based on the approved ADMET properties, drug-likeness qualifications, and the best PLPchem score generated by GOLD. The in vitro results show important inhibition activity to BXO comparing to the control with an IC50 of 39.72 ± 3.60 µM, 51.00 ± 1.0 µM, and 48.52 ± 1.76 µM for Hispidin, Harmaline, and Harmine respectively. The in silico results show that Hispidin was the best inhibitor model with approved ADMET properties and qualification in all drug-likeness rules; Harmaline was saved second-best model to BXO with suitable ADMET properties and qualified in most drug-likeness rules. Eventually, Harmine was ranked third potent inhibitor model with acceptable ADMET properties, drug-likeness rules, and PLPchem score. The tested inhibitors could be significant in drug discovery, especially in treating gout disease; therefore, drug development, including clinical trials, should be done with promising results.
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Affiliation(s)
- Abderahmane Linani
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria.
| | - Khedidja Benarous
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria; Biology Department, Amar Telidji University, Laghouat, Algeria
| | - Leila Bou-Salah
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria
| | - Mohamed Yousfi
- Fundamental Sciences Laboratory, Amar Telidji University, Ghardaïa Road BP37G (03000), Laghouat, Algeria
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Yousfi M, Soulestin J, Marcille S, Lacrampe MF. In-situ nano-fibrillation of poly(butylene succinate-co-adipate) in isosorbide-based polycarbonate matrix. Relationship between rheological parameters and induced morphological and mechanical properties. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Ben Ahmed Z, Yousfi M, Viaene J, Dejaegher B, Demeyer K, Heyden YV. Four Pistacia atlantica subspecies (atlantica, cabulica, kurdica and mutica): A review of their botany, ethnobotany, phytochemistry and pharmacology. J Ethnopharmacol 2021; 265:113329. [PMID: 32889035 DOI: 10.1016/j.jep.2020.113329] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Pistacia atlantica (wild pistachio) belongs to the Anacardiaceae family, and growing from the Mediterranean basin to central Asia, especially in Iran, Turkey, Iraq and Saudi Arabia where it is extensively used in traditional medicine for a wide range of ailments related to relieving upper abdominal discomfort and pain, dyspepsia and peptic ulcer. OBJECTIVE Despite the diverse biological activities of P. atlantica, there is no current review summarizing medicinal properties of its subspecies, including cabulica, kurdica and mutica. Thus, this paper aims to explore the current understanding of the chemical, pharmacological, and biochemical properties of the extracts and the main active constituents found in each subspecies of this plant. METHODS Peer-reviewed articles, using "Pistacia atlantica" as search term (″all fields″), were retrieved from Scifinder, Pubmed, Science direct, Wiley, Springer, ACS, Scielo, Web of Science and other web search instruments (Google Scholar, Yahoo search). Papers published until July 2020 are considered. In addition, various books were consulted that contained botanical and ethnopharmacological information. The information provided in this review is based on peer-reviewed papers in English and French. RESULTS Phytochemical studies have shown the presence of numerous valuable compounds, including volatile compounds, flavonoids, phenolic compounds, fatty acids, tocopherols and phytosterols. P. atlantica contains also minerals and trace elements, like iron, lead, copper, potassium, sodium and calcium; fatty acids, like oleic, linoleic, and palmitic acid; fat-soluble vitamins, such as α, β, γ and δ tocopherols; phytosterols, like betasitosterol, stigmasterol, campesterol and Δ5-avenasterol. Crude extracts and isolated compounds from P. atlantica show a wide range of pharmacological properties, such as antimicrobial, antifungal, anti-inflammatory, analgesic, antinociceptive, wound healing, anticancer, cytotoxic, anticholinesterase, antidiabetic, hepatoprotective, urease inhibition, antihypertension, nipple fissure healing, antileishmanial and antiplasmodial activities. However, there are no reports summarizing the P. atlantica bioactivity, its therapeutic value, and the roles played by each of the numerous phytoconstituents. CONCLUSION Many traditional uses of P. atlantica and its subspecies have now been confirmed by pharmacologic research. Systematic phytochemical investigation of the P. atlantica subspecies and the pharmacological properties, especially the mechanisms of action and toxicology, to illustrate their ethnomedicinal use, to explore the therapeutic potential and support further health-care product development, will undoubtedly be the focus of further research. Therefore, detailed and extensive studies and clinical evaluation of P. atlantica subspecies should be carried out in future for the safety approval of therapeutic applications.
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Affiliation(s)
- Ziyad Ben Ahmed
- Laboratory of Science Fundamental University Amar Telidji, BP37G, Laghouat, Algeria; Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090, Brussels, Belgium
| | - Mohamed Yousfi
- Laboratory of Science Fundamental University Amar Telidji, BP37G, Laghouat, Algeria
| | - Johan Viaene
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090, Brussels, Belgium
| | - Bieke Dejaegher
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090, Brussels, Belgium; Laboratory of Instrumental Analysis and Bioelectrochemistry, Université Libre de Bruxelles (ULB), Campus Plaine CP205/6, Boulevard Du Triomphe, B-1050, Bruxelles, Belgium
| | - Kristiaan Demeyer
- Department of Toxicology, Dermato-Cosmetology and Pharmacognosy, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1030, Brussels, Belgium
| | - Yvan Vander Heyden
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090, Brussels, Belgium.
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Hachani S, Boukhalkhal S, Ahmed ZB, Harrat M, Silva AM, Yousfi M. Exploiting Response Surface Methodology (RSM) as a Novel Approach for the Optimization of Phenolic and Antioxidant Activity of Date Palm Fruit. ChChT 2020. [DOI: 10.23939/chcht14.04.572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The Box-Behnken design was used to investigate the effect of three independent variables – time, temperature and solvent-to-solid ratio on the responses of total phenolics, total flavonoids, 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity and cupric ion reducing antioxidant capacity (CUPRAC) of date fruit methanolic extracts. Response surface analysis showed that the optimal ultrasound extraction parameters that maximized the responses were 30 min, 298 K and 74.4 ml/g. Under optimum conditions, UHPLC-DAD-MS/MS was used to tentatively characterize 11 phenolic compounds. The experimental values for the quantification of phenolic compounds and antioxidant activities are in accordance with the predicted values, indicating the suitability of the model and the success of response surface methodology in optimizing the ultrasound extraction conditions.
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42
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Hefied F, Ben Ahmed Z, Yousfi M. In vitro antioxidant and α‐amylase inhibitory potential of methanolic and lipid fractions from
Pistacia atlantica Desf
. galls. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Fatiha Hefied
- Laboratory of Fundamental Sciences University Amar Telidji Laghouat Algeria
| | - Ziyad Ben Ahmed
- Laboratory of Fundamental Sciences University Amar Telidji Laghouat Algeria
| | - Mohamed Yousfi
- Laboratory of Fundamental Sciences University Amar Telidji Laghouat Algeria
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Benarous K, Bou-Salah L, Linani A, Yousfi M, Kostova I, Saso L. Lanthanide (III) complexes of bis-coumarins as strong inhibitors of bovine xanthine oxidase - molecular docking and SAR studies. J Biomol Struct Dyn 2020; 40:2733-2739. [PMID: 33146077 DOI: 10.1080/07391102.2020.1842247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The gout disease is spreading worldwide and its drug target is the human xanthine oxidase. Through this work, we investigated the inhibitory effect of the ten lanthanide(III) complexes of biologically active bis-coumarins on xanthine oxidase. We achieved molecular docking studies using GOLD software to study the formed interactions in the enzyme-inhibitor complex. The results confirm the inhibitory effect of the lanthanide complexes showing the best Nd(III) complex with IC50 of 12.91 nM. The docking results confirm this inhibition. We saved nearly the same interactions between the two inhibitors allopurinol and the Nd(III) complex according to the docking results. No further studies have been found in this context. The ADMET analysis show that the three complexes are nontoxic.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Khedidja Benarous
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algérie
| | - Leila Bou-Salah
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algérie
| | - Abderrahmane Linani
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algérie
| | - Mohamed Yousfi
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algérie
| | - Irena Kostova
- Faculty of Pharmacy, Department of Chemistry, Medical University, Bulgaria
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Italy
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44
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Benarous K, Benali FZ, Bekhaoua IC, Yousfi M. Novel potent natural peroxidases inhibitors with in vitro assays, inhibition mechanism and molecular docking of phenolic compounds and alkaloids. J Biomol Struct Dyn 2020; 39:7168-7180. [PMID: 32799732 DOI: 10.1080/07391102.2020.1808073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Peroxidase inhibition produced by phenolic compounds as hispidin and gallic acid, alkaloids as harmine and natural extracts of Inonotus hispidus, and Marrubium vulgare were investigated in this study. No further studies have been found in this context. Thus, the results show that the phenolic and the alkaloidal extracts with the three molecules are potent inhibitors of horseradish peroxidase. Uric acid is used as a substrate reaction to finding the enzymatic inhibition for the first time. The results show that the best inhibitor is hispidin with a value of IC50 = 23 µg/ml. Moreover, Molecular docking has been carried out using the AutoDock Vina program to discuss the nature of interactions and the mechanism of inhibition between both peroxidases (horseradish and thyroid) which is performed with and without heme group for the first time. The three studied compounds were further subjected to ADEMT and Lipinski filtering analyses for drug-likeness prediction analysis. However, the results show that all the docked molecules are competitive inhibitors confirming that no further studies have been published before. Thus, hispidin is a more potent irreversible TPO inhibitor then propylthiouracil anti-thyroid drug. Its inhibition mechanism is well described through this work for the first time; which suggests is used as an anti-thyroid drug to treat hyperthyroidism. Furthermore, the studied phenolic compounds (Hispidin and Gallic acid) and one alkaloid (Harmine) are non-toxic, that bind to the receptor-binding site and catalytic dyad of peroxidases were identified from the predictive ADMET and Lipinski filter analysis.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Khedidja Benarous
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algeria
| | - Fatima Zohra Benali
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algeria.,Département de Biologie, Faculté des sciences, Université Amar Telidji, Laghouat, Algeria
| | - Ikram Cherifa Bekhaoua
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algeria.,Département de Biologie, Faculté des sciences, Université Amar Telidji, Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire des sciences fondamentales, Université Amar Telidji, Laghouat, Algeria
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Chelghoum M, Guenane H, Harrat M, Yousfi M. Total Tocopherols, Carotenoids, and Fatty Acids Content Variation of Pistacia atlantica from Different Organs' Crude Oils and Their Antioxidant Activity during Development Stages. Chem Biodivers 2020; 17:e2000117. [PMID: 32558253 DOI: 10.1002/cbdv.202000117] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 06/16/2020] [Indexed: 12/17/2022]
Abstract
The current study investigated the effect of developmental stages on the chemical composition and the antioxidant activity of fifteen crude oil samples obtained from Pistacia atlantica Desf. leaves, galls, and fruits. Twelve fatty acids were detected by GC/FID, linolenic acid (C18 : 3) was the major fatty acid detected in leaves crude oils that registered [41.73 % (P<0.05)] on the last stage. The best content of tocopherols and carotenoids was recorded at the last stage for leaves and galls oils, respectively, with values of [1.530±0.01, 0.52±0.01 (P<0.05) mg α-tocopherol equivalent/g DW] and [86.60±0.95, 69.15±0.13 (P<0.05) μg β-carotene equivalent/g DW]. For fruits oils, the content varied depending on the levels of fruits maturation. The results from DPPH, FRAP, and ABTS assays revealed that the antioxidant activity increased with the increasing content of tocopherols and carotenoids in leaves and galls oils during development stages, and varied for fruits oils depending on the ripening stages. Moreover, according to PCA analysis, the best phytoconstituent content and antioxidant activity were attributed to P. atlantica Desf. fruit's crude oils. Also, a strong relationship was found between the antioxidant activity and bioactive phytochemical components, such as tocopherols, carotenoids, and omega-three fatty acid, which confirmed that P. atlantica Desf. crude oils present a valuable source of natural antioxidant that could be used for pharmaceutical and food industries purposes.
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Affiliation(s)
- Manel Chelghoum
- Laboratoire des Sciences Fondamentales, Université Amar Télidji, 03000, Laghouat, Algérie
| | - Hamid Guenane
- Laboratoire des Sciences Fondamentales, Université Amar Télidji, 03000, Laghouat, Algérie
| | - Mohamed Harrat
- Laboratoire des Sciences Fondamentales, Université Amar Télidji, 03000, Laghouat, Algérie
| | - Mohamed Yousfi
- Laboratoire des Sciences Fondamentales, Université Amar Télidji, 03000, Laghouat, Algérie
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Elhouiti F, Tahri D, Ouinten M, Yousfi M. In silico assessment of Rhanterium adpressum sesquiterpenes inhibitory effect on 3 and 15-O-trichothecene acetyltransferases. NBC 2020. [DOI: 10.36547/nbc.v19i1.575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Essential oils (EO) from leaves and flowers of Rhanterium adpressum have shown to inhibit the mycelial growth and type B trichothecenes production. The four strains of Fusarium culmorum and Fusarium graminearum were inhibited with 0.25 μL.mL-1 of each oil. The inhibitory activity of 11 sesquiterpenes identified in these oils was here examined in silico against two key enzymes in the biosynthesis pathway of trichotecenes namely: 15-O-trichothecene acetyltransferase and 3-O-trichothecene acetyltransferase. In sesquiterpene composition, T-Muurolol and α-Eudesmol have the highest percentages ranging from 1.4 to 2.75 %. Three-dimensional structures of these two enzymes were modeled using SWISS-MODEL with GMQE = 0.93 and QMEAN = -0.45 for 3-O-trichothecene acetyltransferase and GMQE = 0.93, QMEAN = -0.58 for 15-O-trichothecene acetyltransferase. By the results of docking, T-Muurolol and α-Eudesmol showed high affinity compared to 15-Decalonectrin and Deoxynivalenol. These molecules are all sesquiterpenes with no major conformational difference with an RMSD of 3.7 Å and 3.5 Å between 15-decalonectrin and α-Eudesmol, T-Muurolol respectively. The results of docking prove the inhibitory effect of R. adpressum EO sesquiterpenes on the enzymes of mycotoxins biosynthesis pathway of F. culmorum and F. graminearum.
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Benarfa A, Gourine N, Harrat M, Yousfi M. Composition and biovariability of Deverra scoparia volatile oil and its potential use as a source of bioactive phthalide components. BIOCHEM SYST ECOL 2020. [DOI: 10.1016/j.bse.2020.104019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Benarfa A, Gourine N, Hachani S, Harrat M, Yousfi M. Optimization of ultrasound‐assisted extraction of antioxidative phenolic compounds from
Deverra scoparia
Coss. & Durieu (flowers) using response surface methodology. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14514] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Adel Benarfa
- Laboratory of Fundamental Sciences University Amar Telidji of Laghouat Laghouat Algeria
| | - Nadhir Gourine
- Laboratory of Fundamental Sciences University Amar Telidji of Laghouat Laghouat Algeria
| | - Soumaya Hachani
- Laboratory of Fundamental Sciences University Amar Telidji of Laghouat Laghouat Algeria
| | - Mohamed Harrat
- Laboratory of Fundamental Sciences University Amar Telidji of Laghouat Laghouat Algeria
| | - Mohamed Yousfi
- Laboratory of Fundamental Sciences University Amar Telidji of Laghouat Laghouat Algeria
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49
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Harrat M, Gourine N, Válega M, Silva AMS, Yousfi M. Seasonal variability of chemical composition and antioxidant activity of lipids (fatty acids and tocopherols) from the leaves of Pistacia lentiscus L. Food Measure 2020. [DOI: 10.1007/s11694-020-00441-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Nebeg H, Benarous K, Serseg T, Lazreg A, Hassani H, Yousfi M. Seeds, Leaves and Roots of Thapsia garganica as a Source of New Potent Lipases Inhibitors: In vitro and In silico Studies. Endocr Metab Immune Disord Drug Targets 2020; 19:683-696. [PMID: 30706829 DOI: 10.2174/1871530319666190128122211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 09/27/2018] [Accepted: 12/28/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND OBJECTIVE Lipase inhibitors have gained great interest because they could help in the therapy of many diseases, however, unfortunately, only a few drugs are currently available on the market. Therefore, the aim of this work was to evaluate for the first time the lipase inhibition effect of Thapsia garganica extracts from seeds, leaves and roots. METHODS Polyphenols and flavonoids contents were determined using spectrophotometric method. Inhibitory activity of ethyl acetate extracts from seeds, leaves and roots of T. garganica against Candida rugosa lipase was determined. To uncover the active constituents responsible for this anti-lipase activity, further investigations were performed by employing theoretical docking simulations, using AutoDock Vina program to discuss the nature of interactions and the inhibition mechanism by major bioactive compounds synthesized by this plant. RESULTS Seeds, leaves and roots extracts of T. garganica showed appreciable contents of polyphenols and flavonoids which is most in seeds extract with 2.90±0.02mg GAE/gdw and 1.53±0.05mg QE/gdw, respectively. Hence, their inhibitory activities against Candida rugosa lipase were determined as IC50 of 1.19mg/ml, 1.96mg/ml and 1.87mg/ml, respectively. Docking simulations have shown that nortribolid and tribolid are best inhibitors for both lipases (Candida rugosa and human pancreatic lipases). CONCLUSION Testing the anti-lipase activity of the ethyl acetate extracts of T. garganica revealed a potent lipase inhibition activity, which suggests the use of these molecules as anti-obesity drugs.
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Affiliation(s)
- Halima Nebeg
- Laboratoire Des Sciences Fondamentales, Universite Amar Telidji, BP 37G, Laghouat, Algeria
| | - Khedidja Benarous
- Laboratoire Des Sciences Fondamentales, Universite Amar Telidji, BP 37G, Laghouat, Algeria
| | - Talia Serseg
- Laboratoire Des Sciences Fondamentales, Universite Amar Telidji, BP 37G, Laghouat, Algeria
| | - Asma Lazreg
- Departement De Biologie, Universite Amar Telidji, BP 37G, Laghouat, Algeria
| | - Hafidha Hassani
- Departement De Biologie, Universite Amar Telidji, BP 37G, Laghouat, Algeria
| | - Mohamed Yousfi
- Laboratoire Des Sciences Fondamentales, Universite Amar Telidji, BP 37G, Laghouat, Algeria
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