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Orabi MAA, Abouelela ME, Darwish FMM, Abdelkader MSA, Elsadek BEM, Al Awadh AA, Alshahrani MM, Alhasaniah AH, Aldabaan N, Abdelhamid RA. Ceiba pentandra ethyl acetate extract improves doxorubicin antitumor outcomes against chemically induced liver cancer in rat model: a study supported by UHPLC-Q-TOF-MS/MS identification of the bioactive phytomolecules. Front Pharmacol 2024; 15:1337910. [PMID: 38370475 PMCID: PMC10871037 DOI: 10.3389/fphar.2024.1337910] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/19/2024] [Indexed: 02/20/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is a prevalent cancer worldwide. Late-stage detection, ineffective treatments, and tumor recurrence contribute to the low survival rate of the HCC. Conventional chemotherapeutic drugs, like doxorubicin (DOX), are associated with severe side effects, limited effectiveness, and tumor resistance. To improve therapeutic outcomes and minimize these drawbacks, combination therapy with natural drugs is being researched. Herein, we assessed the antitumor efficacy of Ceiba pentandra ethyl acetate extract alone and in combination with DOX against diethylnitrosamine (DENA)-induced HCC in rats. Our in vivo study significantly revealed improvement in the liver-function biochemical markers (ALT, AST, GGT, and ALP), the tumor marker (AFP-L3), and the histopathological features of the treated groups. A UHPLC-Q-TOF-MS/MS analysis of the Ceiba pentandra ethyl acetate extract enabled the identification of fifty phytomolecules. Among these are the dietary flavonoids known to have anticancer, anti-inflammatory, and antioxidant qualities: protocatechuic acid, procyanidin B2, epicatechin, rutin, quercitrin, quercetin, kaempferol, naringenin, and apigenin. Our findings highlight C. pentandra as an affordable source of phytochemicals with possible chemosensitizing effects, which could be an intriguing candidate for the development of liver cancer therapy, particularly in combination with chemotherapeutic drugs.
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Affiliation(s)
- Mohamed A. A. Orabi
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Mohamed E. Abouelela
- Department of Pharmacognosy, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo, Egypt
| | - Faten M. M. Darwish
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | | | - Bakheet E. M. Elsadek
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Ahmed Abdullah Al Awadh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Mohammed Merae Alshahrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Nayef Aldabaan
- Department of Pharmacology, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
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Al Awadh AA, Sakagami H, Amano S, Sayed AM, Abouelela ME, Alhasaniah AH, Aldabaan N, Refaey MS, Abdelhamid RA, Khalil HMA, Hamdan DI, Abdel-Sattar ES, Orabi MAA. In vitro cytotoxicity of Withania somnifera (L.) roots and fruits on oral squamous cell carcinoma cell lines: a study supported by flow cytometry, spectral, and computational investigations. Front Pharmacol 2024; 15:1325272. [PMID: 38303989 PMCID: PMC10830635 DOI: 10.3389/fphar.2024.1325272] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024] Open
Abstract
Oral cancer is a severe health problem that accounts for an alarmingly high number of fatalities worldwide. Withania somnifera (L.) Dunal has been extensively studied against various tumor cell lines from different body organs, rarely from the oral cavity. We thus investigated the cytotoxicity of W. somnifera fruits (W-F) and roots (W-R) hydromethanolic extracts and their chromatographic fractions against oral squamous cell carcinoma (OSCC) cell lines [Ca9-22 (derived from gingiva), HSC-2, HSC-3, and HSC-4 (derived from tongue)] and three normal oral mesenchymal cells [human gingival fibroblast (HGF), human periodontal ligament fibroblast (HPLF), and human pulp cells (HPC)] in comparison to standard drugs. The root polar ethyl acetate (W-R EtOAc) and butanol (W-R BuOH) fractions exhibited the strongest cytotoxicity against the Ca9-22 cell line (CC50 = 51.8 and 40.1 μg/mL, respectively), which is relatively the same effect as 5-FU at CC50 = 69.4 μM and melphalan at CC50 = 36.3 μM on the same cancer cell line. Flow cytometric analysis revealed changes in morphology as well as in the cell cycle profile of the W-R EtOAc and W-R BuOH-treated oral cancer Ca9-22 cells compared to the untreated control. The W-R EtOAc (125 μg/mL) exerted morphological changes and induced subG1 accumulation, suggesting apoptotic cell death. A UHPLC MS/MS analysis of the extract enabled the identification of 26 compounds, mainly alkaloids, withanolides, withanosides, and flavonoids. Pharmacophore-based inverse virtual screening proposed that BRD3 and CDK2 are the cancer-relevant targets for the annotated withanolides D (18) and O (12), and the flavonoid kaempferol (11). Molecular modeling studies highlighted the BRD3 and CDK2 as the most probable oncogenic targets of anticancer activity of these molecules. These findings highlight W. somnifera's potential as an affordable source of therapeutic agents for a range of oral malignancies.
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Affiliation(s)
- Ahmed Abdullah Al Awadh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Hiroshi Sakagami
- Meikai University Research Institute of Odontology (M-RIO), Saitama, Japan
| | - Shigeru Amano
- Meikai University Research Institute of Odontology (M-RIO), Saitama, Japan
| | - Ahmed M. Sayed
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
- Department of Pharmacognosy, Collage of Pharmacy, Almaaqal University, Basra, Iraq
| | - Mohamed E. Abouelela
- Pharmacognosy Department, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo, Egypt
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Nayef Aldabaan
- Department of Pharmacology, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Mohamed S. Refaey
- Department of Pharmacognosy, Faculty of Pharmacy, University of Sadat City, Sadat City, Menoufiya, Egypt
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut, Egypt
| | - Heba M. A. Khalil
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Dalia I. Hamdan
- Department of Pharmacognosy and Natural Products, Faculty of Pharmacy, Menoufia University, Shibin Elkom, Egypt
| | - El-Shaymaa Abdel-Sattar
- Department of Medical Microbiology and Immunology, Faculty of Pharmacy, South Valley University, Qena, Egypt
| | - Mohamed A. A. Orabi
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, Saudi Arabia
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Orabi MAA, Abdelhamid RA, Elimam H, Elshaier YAMM, Ali AA, Aldabaan N, Alhasaniah AH, Refaey MS. Furofuranoid-Type Lignans and Related Phenolics from Anisacanthus virgularis (Salisb.) Nees with Promising Anticholinesterase and Anti-Ageing Properties: A Study Supported by Molecular Modelling. Plants (Basel) 2024; 13:150. [PMID: 38256704 PMCID: PMC10820861 DOI: 10.3390/plants13020150] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/23/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024]
Abstract
Lignan phytomolecules demonstrate promising anti-Alzheimer activity by alleviating dementia and preserving nerve cells. The purpose of this work is to characterize the lignans of Anisacanthus virgularis and explore their potential anti-acetylcholinesterase and anti-ageing effects. Phytochemical investigation of A. virgularis aerial parts afforded a new furofuranoid-type lignan (1), four known structural analogues, namely pinoresinol (2), epipinoresinol (3), phillyrin (4), and pinoresinol 4-O-β-d-glucoside (5), in addition to p-methoxy-trans-methyl cinnamate (6) and 1H-indole-3-carboxaldehyde (7). The structures were established from thorough spectroscopic analyses and comparisons with the literature. Assessment of the anticholinesterase activity of the lignans 1-5 displayed noticeable enzyme inhibition of 1 (IC50 = 85.03 ± 4.26 nM) and 5 (64.47 ± 2.75 nM) but lower activity of compounds 2-4 as compared to the reference drug donepezil. These findings were further emphasized by molecular docking of 1 and 5 with acetylcholinesterase (AChE). Rapid overlay chemical similarity (ROCS) and structure-activity relationships (SAR) analysis highlighted and rationalized the anti-AD capability of these compounds. Telomerase activation testing of the same isolates revealed 1.64-, 1.66-, and 1.72-fold activations in cells treated with compounds 1, 5, and 4, respectively, compared to untreated cells. Our findings may pave the way for further investigations into the development of anti-Alzheimer and/or anti-ageing drugs from furofuranoid-type lignans.
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Affiliation(s)
- Mohamed A. A. Orabi
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran 66454, Saudi Arabia
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt;
| | - Hanan Elimam
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt;
| | - Yaseen A. M. M. Elshaier
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt;
| | - Ahmed A. Ali
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
| | - Nayef Aldabaan
- Department of Pharmacology, College of Pharmacy, Najran University, Najran 66454, Saudi Arabia;
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 66454, Saudi Arabia;
| | - Mohamed S. Refaey
- Department of Pharmacognosy, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt
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Zidan SAH, Abdelhamid RA, Alian A, Fouad MA, Matsunami K, Orabi MAA. Diterpenes and sterols from the Red Sea soft coral Sarcophyton trocheliophorum and their cytotoxicity and anti-leishmanial activities. J Asian Nat Prod Res 2022; 24:794-802. [PMID: 34585632 DOI: 10.1080/10286020.2021.1979522] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
The ethyl acetate and dichloromethane-soluble fractions, from a soft coral Sarcophyton trocheliophorum total methanolic extract, exhibited significant anti-leishmanial and cytotoxic activities. These active fractions yielded a new cembranoid diterpene (1), two known analogues [sarcotrocheliol (2) and sarcophine (3)], and two sterols [(24S)-24-methylcholesterol (4) and gorgosterol (5)]. The structure of the new diterpene (1) was determined via a detailed analysis of its spectroscopic data. Compounds 3 and 5 demonstrated noticeable cytotoxicity on A549 (IC50 17.4 ± 1.9 µg/ml) and HepG2 (IC50 17.7 ± 1.5 µg/ml) cell lines, respectively. None of the isolates 1‒5 showed detectable anti-leishmanial activity (IC50 >100 µg/ml).
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Affiliation(s)
- Sabry A H Zidan
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, Hiroshima 734-8553, Japan
| | - Reda A Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt
| | - Abdallah Alian
- Department of Zoology, Faculty of Science, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt
| | - Mostafa A Fouad
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Katsuyoshi Matsunami
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, Hiroshima 734-8553, Japan
| | - Mohamed A A Orabi
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt
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Abouelela ME, Assaf HK, Abdelhamid RA, Elkhyat ES, Sayed AM, Oszako T, Belbahri L, El Zowalaty AE, Abdelkader MSA. Identification of Potential SARS-CoV-2 Main Protease and Spike Protein Inhibitors from the Genus Aloe: An In Silico Study for Drug Development. Molecules 2021; 26:1767. [PMID: 33801151 PMCID: PMC8004122 DOI: 10.3390/molecules26061767] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 12/22/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus (SARS-CoV-2) disease is a global rapidly spreading virus showing very high rates of complications and mortality. Till now, there is no effective specific treatment for the disease. Aloe is a rich source of isolated phytoconstituents that have an enormous range of biological activities. Since there are no available experimental techniques to examine these compounds for antiviral activity against SARS-CoV-2, we employed an in silico approach involving molecular docking, dynamics simulation, and binding free energy calculation using SARS-CoV-2 essential proteins as main protease and spike protein to identify lead compounds from Aloe that may help in novel drug discovery. Results retrieved from docking and molecular dynamics simulation suggested a number of promising inhibitors from Aloe. Root mean square deviation (RMSD) and root mean square fluctuation (RMSF) calculations indicated that compounds 132, 134, and 159 were the best scoring compounds against main protease, while compounds 115, 120, and 131 were the best scoring ones against spike glycoprotein. Compounds 120 and 131 were able to achieve significant stability and binding free energies during molecular dynamics simulation. In addition, the highest scoring compounds were investigated for their pharmacokinetic properties and drug-likeness. The Aloe compounds are promising active phytoconstituents for drug development for SARS-CoV-2.
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Affiliation(s)
- Mohamed E. Abouelela
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt; (M.E.A.); (H.K.A.); (R.A.A.); (E.S.E.)
| | - Hamdy K. Assaf
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt; (M.E.A.); (H.K.A.); (R.A.A.); (E.S.E.)
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt; (M.E.A.); (H.K.A.); (R.A.A.); (E.S.E.)
| | - Ehab S. Elkhyat
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt; (M.E.A.); (H.K.A.); (R.A.A.); (E.S.E.)
| | - Ahmed M. Sayed
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University, Beni-Suef 62513, Egypt;
| | - Tomasz Oszako
- Department of Forest Protection, Forest Research Institute, 05-090 Sekocin Stary, Poland;
| | - Lassaad Belbahri
- Laboratory of Soil Biology, University of Neuchatel, 2000 Neuchatel, Switzerland
| | - Ahmed E. El Zowalaty
- Sahlgrenska Center for Cancer Research, Department of Surgery, Institute of Clinical Sciences, University of Gothenburg, 405 30 Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 405 30 Gothenburg, Sweden
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Refaey MS, Abdelhamid RA, Elimam H, Elshaier YAMM, Ali AA, Orabi MAA. Bioactive constituents from Thunbergia erecta as potential anticholinesterase and anti-ageing agents: Experimental and in silico studies. Bioorg Chem 2021; 108:104643. [PMID: 33486370 DOI: 10.1016/j.bioorg.2021.104643] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/13/2020] [Accepted: 01/05/2021] [Indexed: 12/13/2022]
Abstract
Acetylcholinesterase (AChE) inhibitor and telomerase reverse transcriptase (TERT) potentiator phytochemicals are highly targeted as anti-Alzheimerꞌs disease and as an anti-ageing process. A phytochemical study of Thunbergia erecta aerial parts resulted in the isolation of ten compounds (1-10). Their structures were identified based on spectral data and comparison with literature values. The activity of our pure isolates on AChE and TERT enzymes by documented in vitro assay methods were evaluated. The results indicated that apigenin (2), vanillic acid (4), and acacetin-7-O-β-D-glucoside (7) exhibited potent inhibition of AChE (IC50 37.33, 30.80 and 49.57 ng/mL, respectively), compared to the standard drug donepezil (IC50 31.25 ng/mL). In the TERT enzyme assay, compound 7 triggered a 1.66‑fold increase in telomerase activity at the concentration of 2.85 ng/ml. This is the first study that demonstrates that compound 7 isolated from T. erecta can lead to such telomerase activity relative to control cells. Virtual screening studies including docking, rapid overlay chemical structure (ROCS), and calculated structure-property relationships (SPR) were implemented in this work. Molecular docking studies supported the binding of compounds 2, 4, and 7 through hydrogen bonds (HBs) formation to essential amino acid residues namely ARG:24 A, SER:347 A, LYS:51 A, PHE:346 A, and GLY:345 A of acetylcholinesterase. ROCS and SPR analyses realized compound 2 as a possible treatment of Alzheimer's disease and as a lead compound for drug development process through applying semisynthetic modifications.
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Affiliation(s)
- Mohamed S Refaey
- Department of Pharmacognosy, Faculty of Pharmacy, University of Sadat City, Sadat City, Menoufiya 32958, Egypt
| | - Reda A Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Hanan Elimam
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt; Department of Medicine, McGill University Health Centre, National Research Institute, McGill University, Montreal, Quebec, Canada
| | - Yaseen A M M Elshaier
- Department of Organic and Medicinal chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Menoufiya 32958, Egypt
| | - A A Ali
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Mohamed A A Orabi
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt.
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Abouelela ME, Orabi MA, Abdelhamid RA, Abdelkader MS, Madkor HR, Darwish FM, Hatano T, Elsadek BE. Ethyl acetate extract of Ceiba pentandra (L.) Gaertn. reduces methotrexate-induced renal damage in rats via antioxidant, anti-inflammatory, and antiapoptotic actions. J Tradit Complement Med 2020; 10:478-486. [PMID: 32953564 PMCID: PMC7484958 DOI: 10.1016/j.jtcme.2019.08.006] [Citation(s) in RCA: 4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 08/13/2019] [Accepted: 08/26/2019] [Indexed: 01/26/2023] Open
Abstract
Methotrexate (MTX) is a chemotherapeutic agent and an immunosuppressant used to treat cancer and autoimmune diseases. However, its use is limited by its multi-organ toxicity, including nephrotoxicity, which is related to MTX-driven oxidative stress. Silencing oxidative stressors is therefore an important strategy in minimizing MTX adverse effects.Medicinal plants rich in phenolic compounds are probable candidates to overcome these oxidants. Herein, C. pentandra ethyl acetate extract showed powerful in vitro radical-scavenging potential (IC50 = 0.0716) comparable to those of the standard natural (ascorbic acid, IC50 = 0.045) and synthetic (BHA, IC50 = 0.056) antioxidants. The effect of C. pentandra ethyl acetate extract against MTX-induced nephrotoxicity in rats was evaluated by administering the extract (400 mg/kg/day) or the standard antioxidant silymarin (100 mg/kg/day) orally for 5 days before and 5 days after a single MTX injection (20 mg/kg, i.p.).C. pentandra showed slight superiorities over silymarin in restoring the MTX-impaired renal functions, with approximately twofold decreases in overall kidney function tests. C. pentandra also improved renal antioxidant capacity and reduced the MTX-induced oxidative stress. Moreover, C. pentandra inhibited MTX-initiated apoptotic and inflammatory cascades, and attenuated MTX-induced histopathological changes in renal tissue architecture.Phytochemical investigation of the extract led to the purification of the phenolics quercitrin (1), cinchonains 1a (2) and 1b (3), cis-clovamide (4), trans-clovamide (5), and glochidioboside (6); a structurally similar with many of the reported antioxidant and nephroprotective agents. In conclusion, these data demonstrate that C. pentandra exhibits nephroprotective effect against MTX-induced kidney damage via its antioxidant, antiapoptotic and anti-inflammatory mechanisms. TAXONOMY Functional Disorder, Traditional Medicine, Herbal Medicine.
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Affiliation(s)
- Mohamed E. Abouelela
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, P.O. Box 71524, Assiut, Egypt
| | - Mohamed A.A. Orabi
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, P.O. Box 71524, Assiut, Egypt
- Department of Pharmacognosy, College of Pharmacy, Najran University, P.O. Box 1988, Najran, Saudi Arabia
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, P.O. Box 71524, Assiut, Egypt
| | - Mohamed S. Abdelkader
- Department of Pharmacognosy, Faculty of Pharmacy, Sohag University, Nasr City, Eastern Avenue, P.O. Box 11432, Sohag, Egypt
| | - Hafez R. Madkor
- Department of Biochemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, P.O. Box 71524, Assiut, Egypt
| | - Faten M.M. Darwish
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, P.O. Box 71526, Assiut, Egypt
| | - Tsutomu Hatano
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Tsushima, Kita-ku, Okayama, 700-8530, Japan
| | - Bakheet E.M. Elsadek
- Department of Biochemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, P.O. Box 71524, Assiut, Egypt
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Abouelela ME, Orabi MA, Abdelhamid RA, Abdelkader MS, Darwish FM, Hotsumi M, Konno H. Anti-Alzheimer's flavanolignans from Ceiba pentandra aerial parts. Fitoterapia 2020; 143:104541. [DOI: 10.1016/j.fitote.2020.104541] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/01/2020] [Accepted: 03/02/2020] [Indexed: 11/30/2022]
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S. Refaey M, Fouad Ahmed Abdelhameed R, A. A. Mousa E, Hamano S, A. A. Orabi M, A. Ali A, Yamada K, A. Abdelhamid R. A New Iridoid Glucoside from Anisacanthus virgularis and Its Antiamoebic Activity. HETEROCYCLES 2019. [DOI: 10.3987/com-19-14102] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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