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Sher AA, Iqbal A, Adil M, Shah Z, Butt ZA, Ullah S, Nafees M, Sohni S. Phytochemical profile and pharmacological potential of Withania somnifera whole plant extracts. Biomed Chromatogr 2024:e5968. [PMID: 39039695 DOI: 10.1002/bmc.5968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/31/2024] [Accepted: 07/10/2024] [Indexed: 07/24/2024]
Abstract
Withania somnifera belongs to the family Solanaceae, commonly called ashwagandha, and is traditionally used as an astringent, hepatoprotective and antioxidant, and as a treatment for rheumatism. Therefore the current study aimed to explore the dichloromethane fraction of W. somnifera whole plant (DCFWS) and ethyl acetate fraction of W. somnifera (EAFWS) using gas chromatoghraphy-mass spectrometry (GC-MS) analysis and to find the acetylcholinesterase inhibition potential along with spasmolytic activity. The GC-MS-detected phytochemicals were 2,4-bis(1,1-dimethylethyl), hexadecanoic acid, 1-nonadecene and 11-octadecenoic acid. The DCFWS and EAFWS exhibited acetylcholinesterase inhibitory potential with significant inhibitory concentration values. The acute toxicity results of both fractions showed high toxicity, causing emesis at 0.5 g and both emesis and diarrhea at 1 g/kg. Both fractions exhibited significant (p ≤ 0.01) laxative activity against metronidazole (7 mg/kg) and loperamide hydrochloride (4 mg/kg) induced constipation. Both DCFWS (66.8 ± 3.85%) and EAFWS (58.58 ± 3.28%) significantly (p ≤ 0.05) increased charcoal movement compared with distal water (43.93 ± 4.34%). Similarly the effect of DCFWS on KCl-induced (80 mm) contraction was more significant as compared with EAFWS. It was concluded that the plant can be used in the treatment of gastrointestinal tract diseases such as constipation. Furthermore, additional work is required in the future to determine the bioactive compounds that act as therapeutic agents in W. somnifera.
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Affiliation(s)
- Ayaz Ali Sher
- Department of Botany, Islamia College Peshawar, Pakistan
| | - Arshad Iqbal
- Department of Botany, Islamia College Peshawar, Pakistan
| | - Muhammad Adil
- Center for Plant sciences and Biodiversity, University of Swat, Pakistan
| | - Zamarud Shah
- Department of Biotechnology, Abdul Wali Khan University, Mardan, Pakistan
| | - Zahid Ali Butt
- Department of Botany, GC Women University Sialkot, Pakistan
| | - Sami Ullah
- Department of Botany, University of Peshawar, Pakistan
| | | | - Saima Sohni
- Institute of Chemical Sciences, University of Peshawar, Pakistan
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Alshehri OM, Zeb A, Mukarram Shah SM, Mahnashi MH, Asiri SA, Alqahtani O, Sadiq A, Ibrar M, Alshamrani S, Jan MS. Investigation of anti-nociceptive, anti-inflammatory potential and ADMET studies of pure compounds isolated from Isodon rugosus Wall. ex Benth. Front Pharmacol 2024; 15:1328128. [PMID: 38414736 PMCID: PMC10897015 DOI: 10.3389/fphar.2024.1328128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/22/2024] [Indexed: 02/29/2024] Open
Abstract
The strong ethnopharmacological utilization of Isodon rugosus Wall. Ex. Benth is evident in the treatment of several types of pain and inflammation, including toothache, earache, abdominal pain, gastric pain, and generalized body pain and inflammation. Based on this background, the antinociceptive effects of the crude extract, various fractions, and essential oil have been reported previously. In this research work, we isolate and characterize pure bioactive compounds from I. rugosus and evaluate possible mechanisms using various in vivo and in vitro models. The pure compounds were analyzed for analgesic and anti-inflammatory activities through various assays. The column chromatography of the chloroform fraction of I. rugosus led to the identification of two pure compounds, i.e., 1 and 2. Compound 1 demonstrated notable inhibition (62% writhing inhibition, 72.77% COX-2 inhibition, and 76.97% 5-LOX inhibition) and anti-inflammatory potential (>50% paw edema inhibition at various intervals). The possible mechanism involved in antinociception was considered primarily, a concept that has already been elucidated through the application of naloxone (an antagonist of opioid receptors). The involvement of adrenergic receptors was investigated using a hot plate model (an adrenergic receptor antagonist). The strong ethnomedicinal analgesic background of I. rugosus, supported by previous reports and current observations, leads to the conclusion that I. rugosus is a potential source of antinociceptive and anti-inflammatory bioactive compounds. It may be concluded from the results that the isolated analgesic compounds of I. rugosus may be a possible alternative remedy for pain and inflammation management with admirable efficacy and safety profiles.
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Affiliation(s)
- Osama M Alshehri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Anwar Zeb
- Department of Pharmacy, University of Swabi, Swabi, Pakistan
| | | | - Mater H Mahnashi
- Department of pharmaceutical chemistry, College of pharmacy, Najran University, Najran, Saudi Arabia
| | - Saeed Ahmed Asiri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Omaish Alqahtani
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Abdul Sadiq
- Department of Pharmacy, Univeristy of Malakand, Chakdara, Pakistan
| | - Muhammad Ibrar
- Department of Pharmacy, Bacha Khan University, Charsadda, Pakistan
| | - Saleh Alshamrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
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Cheng X, Zhu Y, Huang J, Li Y, Jiang X, Yang Q. A neutral polysaccharide from Persicaria hydropiper (L.) Spach ameliorates lipopolysaccharide-induced intestinal barrier injury via regulating the gut microbiota and modulating AKT/PI3K/mTOR and MAPK signaling pathways. JOURNAL OF ETHNOPHARMACOLOGY 2024; 320:117403. [PMID: 37952732 DOI: 10.1016/j.jep.2023.117403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 10/13/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Persicaria hydropiper (L.) Spach, a herb that is prevalent across Asia and Europe, finds utility as both a culinary ingredient and medicinal herb. In China, P. hydropiper decoction is commonly employed to alleviate dysentery, gastroenteritis, and diarrhea symptoms. AIM OF THE STUDY To assess the effects of a neutral polysaccharide from P. hydropiper (PHP) on the intestinal barrier (IB) injury induced by lipopolysaccharide (LPS) in mice, and elucidate the molecular mechanisms involved. MATERIALS AND METHODS PHP was extracted from dried P. hydropiper herb using hot water extraction, followed by ethanol precipitation. The extract underwent successive isolation and purification steps involving anion-exchange and gel filtration chromatography. The primary structure of PHP was determined using Fourier-transformed infrared spectroscopy, ion chromatography, gas chromatography-mass spectrometry (GC-MS), and nuclear magnetic resonance (NMR) spectroscopy. Male BALB/c mice were randomly assigned to control (CON), model (MOD), berberine hydrochloride (BBR), and PHP (20, 40 and 80 mg/kg) groups. Histopathological changes in jejunal tissues were assessed through hematoxylin and eosin (HE) staining. The expression levels of proteins and genes involved in AKT/PI3K/mTOR and MAPK signaling pathways were evaluated using qRT-PCR and Western blotting, respectively. The composition and abundance of the gut microbiota in mice were analyzed using high-throughput 16S rRNA gene sequencing. Additionally, the concentrations of short-chain fatty acids (SCFAs) were determined using GC-MS. RESULTS The main components of PHP included arabinose, galactose, and glucose (molar ratio = 1.00:5.52:11.39). The backbone of PHP consisted of →4)-Glcp-(1→, →4,6)-Glcp-(1→, →4)-Galp-(1→, →4,6)-Galp-(1→. The branched chains primarily consisted of 5)-Araf-(1→ residues, which were attached to the backbone through →6)-Glcp-(1→ and →6)-Galp-(1→ at the 6-position. Histological analysis demonstrated that PHP exhibited a mitigating effect on intestinal damage induced by LPS. PHP could markedly reduce the mRNA levels of PI3K, AKT, mTOR, p70 S6K, Ras, Raf1, MEK1/2, p38, ERK1/2, and JNK, while downregulating the protein levels of p-mTOR, p-PI3K, p-AKT, p-p38, p-ERK, and p-JNK. PHP also modulated the diversities and abundances of the gut microbiota, resulting in an increase in the abundances of Lactobacillaceae, Anaerovoracaceae, Lachnospiraceae, Eggerthellaceae, and Desulfovibrionaceae and a decrease in the abundances of Muribaculaceae, Prevotellaceae, and Rikenellaceae. Additionally, PHP significantly increased the content of various SCFAs. CONCLUSION PHP emerges as a pivotal factor in the repair of IB injury by virtue of its ability to regulate the gut microbiota, elevate SCFA levels, and inhibit the MAPK and AKT/PI3K/mTOR pathways. It is worth noting that the therapeutic effect of high-dose PHP was remarkably significant, surpassing even the positive control of berberine hydrochloride.
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Affiliation(s)
- Xuanxuan Cheng
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
| | - Yuehua Zhu
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
| | - Jiahuan Huang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
| | - Yufei Li
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
| | - Xiaolin Jiang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
| | - Quan Yang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, China; Key Laboratory of State Administration of Traditional Chinese Medicine for Production & Development of Cantonese Medicinal Materials, Guangzhou, China; Comprehensive Experimental Station of National Industrial Technology System for Chinese Materia Medica, Guangzhou, China; Guangdong Engineering Research Center of Good Agricultural Practice & Comprehensive Development for Cantonese Medicinal Materials, Guangzhou, China.
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Tegegne BA, Yihunie W, Aschale Y, Belew H, Getachew M. Validation of Blood Glucose and Lipid-Lowering Effect of Solvent Fractions of the Crinum Abyssinicum Shoot Tips in Streptozotocin-Induced Diabetic Mice. GLOBAL ADVANCES IN INTEGRATIVE MEDICINE AND HEALTH 2024; 13:27536130231225464. [PMID: 38226326 PMCID: PMC10788077 DOI: 10.1177/27536130231225464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 12/02/2023] [Accepted: 12/20/2023] [Indexed: 01/17/2024]
Abstract
Background Diabetes mellitus prevalence has reached epidemic levels despite the existence of contemporary treatments. People thus started looking at the possible therapeutic value of natural therapies. Crushed shoot tips of Crinum abyssinicum (Amaryllidaceae) are mixed with water in Ethiopia to treat diabetes, yet this practice is not well supported by science. Objective In this experiment, mice models were used to verify the blood sugar and lipid-lowering benefits of solvent fractions of C. abyssinicum shoot tips. Materials and Methods In a single-dose treated Streptozotocin (STZ)-induced diabetic model, mice were randomly grouped into eleven categories which include diabetic negative control, diabetic positive control, and 9 diabetic treatment groups. In repeated daily doses treated STZ-induced model, Mice were divided into 6 groups which included normal and diabetic negative control (TW80), diabetic positive control (5 mg/kg glibenclamide), and three diabetic treatment groups 100, 200, and 400 mg/kg). Finally, blood glucose, lipid level, and body weight were examined. Results In the single-dose treated diabetic model, there was a significant blood glucose reduction at 200 and 400 mg/kg doses of aqueous fraction and glibenclamide starting from the sixth-hour post-administration unlike ethyl acetate and chloroform fraction compared to baseline and negative control. In repeated daily dose-treated diabetic mice, all three doses (100, 200, and 400 mg/kg of aqueous fraction) resulted in a substantial reduction (P < .001) in blood glucose compared to baseline and negative control on the seventh day and 14th day. Besides the AQF shows improvement in lipid levels and body weight parameters. Conclusion The results of the study demonstrated that C. abyssinicum shoot tip fractions have the greatest potential to lower blood sugar and lipid levels, supporting conventional claims for the treatment of diabetes.
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Affiliation(s)
| | - Wubetu Yihunie
- Department of Pharmacy, Debre Markos University, Debre Markos, Ethiopia
| | - Yibeltal Aschale
- Department of Medical Laboratory, Debre Markos University, Debre Markos, Ethiopia
| | - Habtamu Belew
- Department of Medical Laboratory, Debre Markos University, Debre Markos, Ethiopia
| | - Melese Getachew
- Department of Pharmacy, Debre Markos University, Debre Markos, Ethiopia
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Bavarsad NH, Bagheri S, Kourosh-Arami M, Komaki A. Aromatherapy for the brain: Lavender's healing effect on epilepsy, depression, anxiety, migraine, and Alzheimer's disease: A review article. Heliyon 2023; 9:e18492. [PMID: 37554839 PMCID: PMC10404968 DOI: 10.1016/j.heliyon.2023.e18492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 08/10/2023] Open
Abstract
Neurological diseases affect the nervous system, including the brain, spinal cord, cranial nerves, nerve roots, autonomic nervous system, neuromuscular junctions, and muscles. Herbal medicine has long been used to cure these diseases. One of these plants is lavender, which is composed of various compounds, including terpenes, such as linalool, limonene, triterpenes, linalyl acetate, alcohols, ketones, polyphenols, coumarins, cineole, and flavonoids. In this review, the literature was searched using scientific search engines and databases (Google Scholar, Science Direct, Scopus, and PubMed) for papers published between 1982 and 2020 via keywords, including review, lavender, and neurological disorders. This plant exerts its healing effect on many diseases, such as anxiety and depression through an inhibitory effect on GABA. The anti-inflammatory effects of this plant have also been documented. It improves depression by regulating glutamate receptors and inhibiting calcium channels and serotonergic factors, such as SERT. Its antiepileptic mechanism is due to an increase in the inhibitory effect of GABA and potassium current and a decrease in sodium current. Therefore, many vegetable oils are also used in herbal medicine. In this review, the healing effect of lavender on several neurological disorders, including epilepsy, depression, anxiety, migraine, and Alzheimer's disease was investigated. All findings strongly support the traditional uses of lavender. More clinical studies are needed to investigate the effect of the plants' pharmacological active constituents on the treatment of life-threatening diseases in humans. The limitations of this study are the low quality and the limited number of clinical studies. Different administration methods of lavender are one of the limitations of this review.
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Affiliation(s)
- Nazanin Hatami Bavarsad
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shokufeh Bagheri
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Masoumeh Kourosh-Arami
- Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Komaki
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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Ullah S, Sirajuddin M, Ullah Z, Mushtaq A, Naz S, Zubair M, Haider A, Ali S, Kubicki M, Wani TA, Zargar S, Rehman MU. Synthesis, Structural Elucidation and Pharmacological Applications of Cu(II) Heteroleptic Carboxylates. Pharmaceuticals (Basel) 2023; 16:ph16050693. [PMID: 37242476 DOI: 10.3390/ph16050693] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/28/2023] [Accepted: 04/30/2023] [Indexed: 05/28/2023] Open
Abstract
Six heteroleptic Cu(II) carboxylates (1-6) were prepared by reacting 2-chlorophenyl acetic acid (L1), 3-chlorophenyl acetic acid (L2), and substituted pyridine (2-cyanopyridine and 2-chlorocyanopyridine). The solid-state behavior of the complexes was described via vibrational spectroscopy (FT-IR), which revealed that the carboxylate moieties adopted different coordination modes around the Cu(II) center. A paddlewheel dinuclear structure with distorted square pyramidal geometry was elucidated from the crystal data for complexes 2 and 5 with substituted pyridine moieties at the axial positions. The presence of irreversible metal-centered oxidation reduction peaks confirms the electroactive nature of the complexes. A relatively higher binding affinity was observed for the interaction of SS-DNA with complexes 2-6 compared to L1 and L2. The findings of the DNA interaction study indicate an intercalative mode of interaction. The maximum inhibition against acetylcholinesterase enzyme was caused for complex 2 (IC50 = 2 µg/mL) compared to the standard drug Glutamine (IC50 = 2.10 µg/mL) while the maximum inhibition was found for butyrylcholinesterase enzyme by complex 4 (IC50 = 3 µg/mL) compared to the standard drug Glutamine (IC50 = 3.40 µg/mL). The findings of the enzymatic activity suggest that the under study compounds have potential for curing of Alzheimer's disease. Similarly, complexes 2 and 4 possess the maximum inhibition as revealed from the free radical scavenging activity performed against DPPH and H2O2.
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Affiliation(s)
- Shaker Ullah
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Muhammad Sirajuddin
- Department of Chemistry, University of Science and Technology Bannu, Bannu 28100, Pakistan
| | - Zafran Ullah
- Department of Chemistry, University of Science and Technology Bannu, Bannu 28100, Pakistan
| | - Afifa Mushtaq
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Saba Naz
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Ali Haider
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Saqib Ali
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Maciej Kubicki
- Department of Chemistry, Adam Mickiewicz University in Poznan, 61-712 Poznan, Poland
| | - Tanveer A Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Seema Zargar
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11451, Saudi Arabia
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Tegegne BA, Alehegn AA. Antipyretic Potential of 80% Methanol Extract and Solvent Fractions of Bersama abyssinica Fresen. (Melianthaceae) Leaves Against Yeast-Induced Pyrexia in Mice. J Exp Pharmacol 2023; 15:81-91. [PMID: 36879895 PMCID: PMC9985388 DOI: 10.2147/jep.s390825] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 02/22/2023] [Indexed: 03/04/2023] Open
Abstract
Introduction Since fever is a complicated physiological reaction to an infection or aseptic stimulus, finding safer solutions that are more potent and derived from plants is essential to resolving this issue. Bersama abyssinica (Melianthaceae) is traditionally used to treat fever, though this has yet to be proven scientifically. Objective The present study aimed to assess the antipyretic potential of leaf extract and solvent fractions of B. abyssinica. Methods The antipyretic activities of crude extract and solvent fractions of B. abyssinica leaves were evaluated using a yeast-induced pyrexia model at three different dose ranges (100mg/kg, 200mg/kg, and 400mg/kg) methanol extract as well as chloroform, ethyl acetate, and aqueous fractions to mice showing an increase in temperature of ≥0.5 °C. The rectal temperature of each mouse was recorded using a digital thermometer. To analyze the data, SPSS version 20 and one-way ANOVA followed by Tukey's HSD post hoc test to compare results between groups were utilized. Results The crude extract demonstrated significant antipyretic potential (P<0.05 by 100 mg/kg and 200 mg/kg as well as P<0.01 by 400 mg/kg), with a maximum of 95.06% reduction in rectal temperature at 400 mg/kg, comparable to 98.37% at 2.5 hours by the standard drug. Similarly, all doses of the aqueous fraction, as well as 200 mg/kg and 400 mg/kg doses of the ethyl acetate fractions, resulted in a significant (P<0.05) reduction in rectal temperature when compared to the corresponding value of the negative control group. Conclusion Extracts of B. abyssinica leaves were found to have a significant antipyretic effect. Thus, the use of the plant for pyrexia in traditional settings has scientific ground.
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Affiliation(s)
- Bantayehu Addis Tegegne
- Department of Pharmacy, College of Health Sciences, Debre Markos University, Debre Markos, Ethiopia
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Tekalign E, Tadege G, Fisseha N, Nureye D. Suppressive, Curative, and Prophylactic Effects of Maesa lanceolata Forssk. against Rodent Malaria Parasite Plasmodium berghei. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8901555. [PMID: 36411769 PMCID: PMC9675603 DOI: 10.1155/2022/8901555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 09/17/2022] [Accepted: 10/18/2022] [Indexed: 11/12/2023]
Abstract
The artemisinin partial resistance is believed to be spread to artemisinin-based combination therapy partner drugs. As a result, new antiplasmodial compounds are required to treat resistant malaria infections. In the invention of antimalarial substances, claimed medical plants are precious resources. So, the current study was designed to assess the antiplasmodial effects of Maesa lanceolata in mice. In this study, preliminary phytoconstituent and in vivo acute oral toxicity tests were done. Early infection, established infection, and residual infection tests were employed to determine the antimalarial effects of the test drugs. Three doses (200, 400, and 600 mg/kg) of the extracts were provided orally to the test mice. Analysis of variance (one-way) followed by post hoc Tukey's test was used to analyze the difference between and within groups. Terpenoids, tannins, saponins, flavonoids, and alkaloids were detected in the phytochemical constituent analysis. Both 80% methanolic crude extract and solvent fractions had no toxic result at the 2000 mg/kg dose. All test drug doses suppressed parasite levels in a significant manner at all tests. The activity of chloroform fraction (maximum percentage suppression, 81.28%) overwhelms the crude extract activity. The curative effects of 80% methanolic crude extract, with a maximum of 80.22% parasitemia suppression, were greater than its suppressive and prophylactic effects. The 400 mg/kg dose of chloroform fraction resulted in a maximum survival period (18 days) than other doses of tested materials. The results of this investigation provide support for the activity of M. lanceolata leaf extract against malaria.
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Affiliation(s)
- Eyob Tekalign
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Mizan-Tepi University, P.O. Box 260, Mizan-Aman, Ethiopia
| | - Getnet Tadege
- Department of Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University, Mizan-Aman, Ethiopia
| | - Nebeyi Fisseha
- Department of Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University, Mizan-Aman, Ethiopia
| | - Dejen Nureye
- Department of Pharmacy, School of Pharmacy, College of Medicine and Health Sciences, Mizan-Tepi University, Mizan-Aman, Ethiopia
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Mahnashi MH, Alshahrani MA, Nahari MH, Hassan SSU, Jan MS, Ayaz M, Ullah F, Alshehri OM, Alshehri MA, Rashid U, Sadiq A. In-Vitro, In-Vivo, Molecular Docking and ADMET Studies of 2-Substituted 3,7-Dihydroxy-4H-chromen-4-one for Oxidative Stress, Inflammation and Alzheimer's Disease. Metabolites 2022; 12:1055. [PMID: 36355138 PMCID: PMC9694897 DOI: 10.3390/metabo12111055] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 10/23/2023] Open
Abstract
Plants' bioactives are well-known safe drugs for vital diseases. Flavones and Flavonoid-rich dietary supplements are known to exhibit neuroprotective potential. In this study, we isolated a flavone 2-(3,4-dimethoxyphenyl)-3,7-dihydroxy-4H-chromen-4-one from Notholirion thomsonianum and it was evaluated against various targets of the oxidative stress-related neurological disorders. The compound showed excellent acetyl and butyrylcholinesterase inhibitions in its profile, giving IC50 values of 1.37 and 0.95 μM, respectively. Similarly, in in-vitro MAO-B assay, our flavone exhibited an IC50 value of 0.14 μM in comparison to the standard safinamide (IC50 0.025 μM). In in-vitro anti-inflammatory assay, our isolated compound exhibited IC50 values of 7.09, 0.38 and 0.84 μM against COX-1, COX-2 and 5-LOX, respectively. The COX-2 selectivity (SI) of the compound was 18.70. The compound was found safe in animals and was very effective in carrageenan-induced inflammation. Due to the polar groups in the structure, a very excellent antioxidant profile was observed in both in-vitro and in-vivo models. The compound was docked into the target proteins of the respective activities and the binding energies confirmed the potency of our compound. Furthermore, absorption, distribution, metabolism, excretion, and toxicity (ADMET) results showed that the isolated flavone has a good GIT absorption ability and comes with no hepatic and cardiotoxicity. In addition, the skin sensitization test, in-vitro human cell line activation test (h-CLAT) and KeratinoSens have revealed that isolated flavone is not skin sensitive with a confidence score of 59.6% and 91.6%. Herein, we have isolated a natural flavone with an effective profile against Alzheimer's, inflammation and oxidative stress. The exploration of this natural flavone will provide a baseline for future research in the field of drug development.
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Affiliation(s)
- Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran 61441, Saudi Arabia
| | - Mohammed Abdulrahman Alshahrani
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Mohammed H. Nahari
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Syed Shams ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Muhammad Saeed Jan
- Department of Pharmacy, Bacha Khan University, Charsadda 24420, KP, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
| | - Osama M. Alshehri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Mohammad Ali Alshehri
- Medical Genetics Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, KP, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
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Zahoor M, Naz S, Amin S, Iftikhar M, Nazir N, Kamran AW, Khan FA. Green Synthesis of Zinc Oxide Nanoparticles Using Monotheca buxifolia Leaf Extract; Their Biological Activities and Use in Fabrication of Nano-Biosensor. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2022. [DOI: 10.3103/s106837552205012x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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11
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Iqbal J, Khan AA, Aziz T, Ali W, Ahmad S, Rahman SU, Iqbal Z, Dablool AS, Alruways MW, Almalki AA, Alamri AS, Alhomrani M. Phytochemical Investigation, Antioxidant Properties and In Vivo Evaluation of the Toxic Effects of Parthenium hysterophorus. Molecules 2022; 27:molecules27134189. [PMID: 35807432 PMCID: PMC9268705 DOI: 10.3390/molecules27134189] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/16/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Parthenium hysterophorus L. is a poisonous Asteraceae weed. The phytochemical profile, antioxidant activity, total phenolic contents (TPC), total flavonoid contents (TFC), and cytotoxicity of Parthenium hysterophorus L. flower extract were evaluated in this study, and the toxic effects were assessed in rabbits. The HPLC-DAD system was used for phytochemical analysis. The hemolytic and DPPH assays were performed. The effects of orally administering the flower crude extract to rabbits (n = 5) at four different doses (10, 20, 40, and 80 mg/kg) for ten days on hematological and biochemical parameters were investigated. The crude extract of the flower contained phenolic compounds such as Gallic acid, Chlorogenic acid, Ellagic acid, and P Coumaric acid, which were detected at different retention times, according to the HPLC results. With a sample peak of 4667.475 %, chlorogenic acid was abundant. At concentrations of 80 µg, the methanolic extract of flowers had total phenolic contents (89.364 ± 4.715 g GAE/g) and total flavonoid contents (65.022 ± 2.694 g QE/g). In the DPPH free radical scavenging assay, 80 µg of extract had the highest cell inhibition of 76.90% with an IC50 value of 54.278 µg/µL, while in the hemolytic assay 200 µg of extract had the highest cell inhibition of 76.90% with an IC50 > 500. The biochemical and hematological parameters were altered in the flower extract-fed groups as compared to the control (p < 0.05). The toxic effects on the blood, liver, and kidneys were confirmed. The findings also confirmed the presence of phenolic and flavonoid content in the flower extract, both of which contribute to the plant’s antioxidant potential.
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Affiliation(s)
- Javed Iqbal
- Department of Biotechnology, Faculty of Biological Sciences, University of Malakand, Chakdara 18800, Pakistan; (J.I.); (W.A.)
| | - Ayaz Ali Khan
- Department of Biotechnology, Faculty of Biological Sciences, University of Malakand, Chakdara 18800, Pakistan; (J.I.); (W.A.)
- Correspondence: (A.A.K.); (T.A.)
| | - Tariq Aziz
- Pak-Austria Fachhochschule, Institute of Applied Sciences and Technology, Haripur 22621, Pakistan
- Correspondence: (A.A.K.); (T.A.)
| | - Waqar Ali
- Department of Biotechnology, Faculty of Biological Sciences, University of Malakand, Chakdara 18800, Pakistan; (J.I.); (W.A.)
| | - Saeed Ahmad
- Department of Zoology, Faculty of Biological Sciences, University of Malakand, Chakdara 18800, Pakistan;
| | - Shafiq Ur Rahman
- Department of Environmental Sciences, Shaheed Benazir Bhutto University, Sheringal 18050, Pakistan;
| | - Zafar Iqbal
- Institute of Nursing Sciences, Khyber Medical University, Peshawar 25120, Pakistan;
| | - Anas S. Dablool
- Department of Public Health, Health Sciences College Al-Leith, Umm Al-Qura University, Makkah al-Mukarramah 24382, Saudi Arabia;
| | - Mashael W. Alruways
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Shaqra 15273, Saudi Arabia;
| | - Abdulraheem Ali Almalki
- Department of Clinical Laboratory Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (A.A.A.); (A.S.A.); (M.A.)
| | - Abdulhakeem S. Alamri
- Department of Clinical Laboratory Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (A.A.A.); (A.S.A.); (M.A.)
| | - Majid Alhomrani
- Department of Clinical Laboratory Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (A.A.A.); (A.S.A.); (M.A.)
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12
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Hashem MA, Hasan MA, Momen MA, Payel S, Hasan M, Shaikh MZR. Bio-intervention phyto-based material for raw goatskin preservation: a cleaner-sustainable approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:31278-31292. [PMID: 35006568 DOI: 10.1007/s11356-022-18544-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
The regular practice of using sodium chloride to preserve raw animal skin triggers increasing salinity and total dissolved solids (TDS) in the surface and groundwater during rehydration soaking operations. The process disrupts the lives of animals, plants, and human beings. This paper is focused on the phyto-based short-term preservation of goatskin to reduce salinity in tannery soaking operations. The indigenous Persicaria hydropiper leaf was investigated to assess the preservation of animal skin to diminish salinity and TDS of tannery soaking wastewater. Methanol-extracted leaf was characterized by GC-MS and FTIR for chemical composition analysis and affiliated functional groups. Fresh goatskins were preserved at the preliminary, laboratory, and pilot-scale scenarios to establish the best possible mixture and monitor the moisture and nitrogen content, shrinkage temperature, microorganism analysis, and pollution load at each level. The processed leathers derived from the preserved skins with an optimal mixture of 10% leaf paste with 8% salt and conventional 50% salt were tested for their physical strength. Finally, the modification in fiber structure due to the varieties of preserving chemicals was evaluated through a scanning electron microscope (SEM) and detected insignificant variation of leather fibers. The findings reported in this study can be applied to the industrial level and remove certain amounts of salinity and TDS from tannery soaking wastewater.
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Affiliation(s)
- Md Abul Hashem
- Department of Leather Engineering, Khulna University of Engineering & Technology (KUET), Khulna, 9203, Bangladesh.
| | - Md Anik Hasan
- Department of Leather Engineering, Khulna University of Engineering & Technology (KUET), Khulna, 9203, Bangladesh
| | - Md Abdul Momen
- Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka, 1000, Bangladesh
| | - Sofia Payel
- Department of Leather Engineering, Khulna University of Engineering & Technology (KUET), Khulna, 9203, Bangladesh
| | - Mehedi Hasan
- Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka, 1000, Bangladesh
| | - Md Zillur Rahaman Shaikh
- Department of Leather Engineering, Khulna University of Engineering & Technology (KUET), Khulna, 9203, Bangladesh
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Antioxidant, Enzyme Inhibitory, and Molecular Docking Approaches to the Antidiabetic Potentials of Bioactive Compounds from Persicaria hydropiper L. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6705810. [PMID: 35463090 PMCID: PMC9023165 DOI: 10.1155/2022/6705810] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/02/2022] [Accepted: 03/31/2022] [Indexed: 02/08/2023]
Abstract
Introduction Natural products are among the most useful sources for the discovery of new drugs against various diseases. Keeping in view the ethnobotanical relevance ethnopharmacological significance of Polygonaceae family in diabetes, the current study was designed to isolate pure compounds from Persicaria hydropiper L. leaves and evaluate their in vitro and in silico antidiabetic potentials. Methods Six compounds were isolated from the chloroform-ethyl acetate fractions using gravity column chromatography and were subjected to structure elucidation process. Structures were confirmed using 1H-NMR, 13C-NMR, and mass spectrometry techniques. Isolated phytochemicals were subjected to in vitro antidiabetic studies, including α-glucosidase, α-amylase inhibition, and DPPH, and ABTS antioxidant studies. Furthermore, the in silico binding mode of these compounds in the target enzymes was elucidated via MOE-Dock software. Results The isolated compounds revealed concentration-dependent inhibitions against α-glucosidase enzyme. Ph-1 and Ph-2 were most potent with 81.84 and 78.79% enzyme inhibitions at 1000 µg·mL−1, respectively. Ph-1 and Ph-2 exhibited IC50s of 85 and 170 µg·mL−1 correspondingly. Likewise, test compounds showed considerable α-amylase inhibitions with Ph-1 and Ph-2 being the most potent. Tested compounds exhibited considerable antioxidant potentials in both DPPH and ABTS assays. Molecular simulation studies also revealed top-ranked confirmations for the majority of the compounds in the target enzymes. Highest observed potent compound was Ph-1 with docking score of −12.4286 and formed eight hydrogen bonds and three H-pi linkages with the Asp 68, Phe 157, Phe 177, Asn 241, Glu 276, His 279, Phe 300, Glu 304, Ser 308, Pro 309, Phe 310, Asp 349, and Arg 439 residues of α-glucosidase binding packets. Asp 68, Glu 276, Asp 349, and Arg 439 formed polar bonds with the 3-ethyl-2-methylpentane moiety of the ligand. Conclusions The isolated compounds exhibited considerable antioxidant and inhibitory potentials against vital enzymes implicated in T2DM. The docking scores of the compounds revealed that they exhibit affinity for binding with target ligands. The enzyme inhibition and antioxidant potential of the compounds might contribute to the hypoglycemic effects of the plant and need further studies.
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Mahnashi MH, Alqahtani YS, Alyami BA, Alqarni AO, Alqahl SA, Ullah F, Sadiq A, Zeb A, Ghufran M, Kuraev A, Nawaz A, Ayaz M. HPLC-DAD phenolics analysis, α-glucosidase, α-amylase inhibitory, molecular docking and nutritional profiles of Persicaria hydropiper L. BMC Complement Med Ther 2022; 22:26. [PMID: 35086537 PMCID: PMC8793238 DOI: 10.1186/s12906-022-03510-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/10/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Natural phenolic compounds and Phenolics-rich medicinal plants are also of great interest in the management of diabetes. The current study was aimed to analyze phenolics in P. hydropiepr L extracts via HPLC-DAD analysis and assess their anti-diabetic potentials using in-vitro and in-silico approaches. METHODS Plant crude methanolic extract (Ph.Cme) was evaluated for the presence of phenolic compounds using HPLC-DAD analysis. Subsequently, samples including crude (Ph.Cr), hexane (Ph.Hex), chloroform (Ph.Chf), ethyl acetate (Ph.EtAc), butanol (Ph.Bt), aqueous (Ph.Aq) and saponins (Ph.Sp) were tested for α-glucsidase and α-amylase inhibitory potentials and identified compounds were docked against these target enzymes using Molecular Operating Environment (MOE) software. Fractions were also analyzed for the nutritional contents and acute toxicity was performed in animals. RESULTS In HPLC-DAD analysis of Ph.Cme, 24 compounds were indentfied and quantified. Among these, Kaemferol-3-(p-coumaroyl-diglucoside)-7-glucoside (275.4 mg g- 1), p-Coumaroylhexose-4-hexoside (96.5 mg g- 1), Quercetin-3-glucoronide (76.0 mg g- 1), 4-Caffeoylquinic acid (58.1 mg g- 1), Quercetin (57.9 mg g- 1), 5,7,3'-Trihydroxy-3,6,4',5'-tetramethoxyflavone (55.5 mg g- 1), 5-Feruloylquinic acid (45.8 mg g- 1), Cyanidin-3-glucoside (26.8 mg g- 1), Delphinidin-3-glucoside (24 mg g- 1), Quercetin-3-hexoside (20.7 mg g- 1) were highly abundant compounds. In α-glucosidase inhibition assay, Ph.Sp were most effective with IC50 value of 100 μg mL-1. Likewise in α-amylase inhibition assay, Ph.Chf, Ph.Sp and Ph.Cme were most potent fractions displayed IC50 values of 90, 100 and 200 μg mL-1 respectively. Docking with the α-glucosidase enzyme revealed top ranked conformations for majority of the compounds with Kaemferol-3-(p-coumaroyl-diglucoside)-7-glucoside as the most active compound with docking score of - 19.80899, forming 14 hydrogen bonds, two pi-H and two pi-pi linkages with the Tyr 71, Phe 158, Phe 177, Gln 181, Arg 212, Asp 214, Glu 276, Phe 300, Val 303, Tyr 344, Asp 349, Gln 350, Arg 439, and Asp 408 residues of the enzyme. Likewise, docking with α-amylase revealed that most of the compounds are well accommodated in the active site residues (Trp 59, Tyr 62, Thr 163, Leu 165, Arg 195, Asp 197, Glu 240, Asp 300, His 305, Asp 356) of the enzyme and Cyanidin-3-rutinoside displayed most active compound with docking score of - 15.03757. CONCLUSIONS Phytochemical studies revealed the presence of highly valuable phenolic compounds, which might be responsible for the anti-diabetic potentials of the plant samples.
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Affiliation(s)
- Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Yahya S. Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Bandar A. Alyami
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Ali O. Alqarni
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | | | - Farhat Ullah
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Dir (L), KP 18000 Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Dir (L), KP 18000 Pakistan
| | - Alam Zeb
- Department of Biochemistry, University of Malakand, Chakdara, Dir (L), KP 18000 Pakistan
| | - Mehreen Ghufran
- Department of Pathology, MTI Bacha Khan Medical College, Mardan, Pakistan
| | - Alexey Kuraev
- K.G. Razumovsky Moscow State University of Technologies and Management (The First Cossack University), 73, Zemlyanoy Val St, Moscow, Russian Federation 109004
| | - Asif Nawaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Dir (L), KP 18000 Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Dir (L), KP 18000 Pakistan
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Munir N, Mahmood Z, Shahid M, Afzal MN, Jahangir M, Ali Shah SM, Tahir IM, Riaz M, Hussain S, Akram M, Yousaf F. Withania somnifera Chemical Constituents' In Vitro Antioxidant Potential and Their Response on Spermatozoa Parameters. Dose Response 2022; 20:15593258221074936. [PMID: 35250408 PMCID: PMC8891848 DOI: 10.1177/15593258221074936] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 12/23/2021] [Indexed: 11/15/2022] Open
Abstract
Background: Phytomedicine is becoming more acceptable as an alternative medicinal approach in the modern era. Objectives: The current study examined the antioxidant capacity and in vitro response of phytochemical constituents of Withania somnifera (Ashwagandha) on standard parameters of healthy volunteer semen. Methods: The phytochemicals and their pharmacological response in a hydroethanolic (30:70 v/v) extract of W. somnifera roots were determined using standard protocols. Results: The constituents included flavonoids, phenolic acids, alkaloids, and terpenoids were reported. High-performance liquid chromatography and Fourier-transform infrared spectroscopy determined a diverse array of biologically active chemical constituents in the extract. The extract of W. somnifera exhibits substantial antioxidant properties, including total antioxidant capacity, 2,2-diphenyl-1-picrylhydrazyl inhibition, H2O2 scavenging, and Fe3+ reducing potential (P < .05). The analysis of essential natural minerals explored adequate levels determined using atomic absorption spectrophotometer. Cytotoxic studies revealed significant thrombolytic, RBC membrane stabilization, and DNA damage protection activity (P < .05) while remaining non-mutagenic against Salmonella typhi TA98 and TA100. The best protective response of W. somnifera extract on human semen parameters (n = 30), such as total motility, progressive motility, and viability, demonstrated a significant (P < .05) improvement, particularly at the dose of 25 μg/mL and 50 μg/mL. Conclusion: The study concludes that W. somnifera possesses favorable in vitro characteristics that could aid in the preservation of sperm during intrauterine insemination and in vitro fertilization.
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Affiliation(s)
- Naveed Munir
- Department of Basic Medical Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Zahed Mahmood
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Shahid
- Department of Biochemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Naveed Afzal
- Department of Basic Medical Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Jahangir
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Syed Muhammad Ali Shah
- Department of Eastern Medicine and Surgery, Government College University Faisalabad, Faisalabad, Pakistan
| | - Imtiaz Mahmood Tahir
- College of Allied Health Professionals, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Riaz
- Department of Allied Health Sciences, Sargodha Medical College, University of Sargodha, Sargodha, Pakistan
| | - Shoukat Hussain
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Akram
- Department of Eastern Medicine and Surgery, Government College University Faisalabad, Faisalabad, Pakistan
| | - Fatima Yousaf
- Department of Biochemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
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Mahnashi MH, Alqahtani YS, Alyami BA, Alqarni AO, Ullah F, Wadood A, Sadiq A, Shareef A, Ayaz M. Cytotoxicity, anti-angiogenic, anti-tumor and molecular docking studies on phytochemicals isolated from Polygonum hydropiper L. BMC Complement Med Ther 2021; 21:239. [PMID: 34560864 PMCID: PMC8464109 DOI: 10.1186/s12906-021-03411-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 09/16/2021] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND According to the recent global cancer statistics, breast cancer is the leading cause of deaths among women with 2.3 million new cases globally. Likewise, cervical cancer is also among the leading causes of mortality among women. Polygonum hydropiper is traditionally known for its cytotoxic effects and several bioactive cytotoxic compounds were isolated from it. This study was aimed to isolate potential anticancer compounds from its most potent fractions and evaluate their anticancer potentials. METHODS Based on our earlier studies, active fractions including chloroform and ethyl acetate were subjected to column chromatography for isolation of compounds. Chemical structures of isolated compounds were confirmed via 1H NMR, 13C NMR, mass spectrometry. Purified compounds were tested for cytotoxicity against breast cancer cells (MCF-7), cervical cancer cells (HeLA) and NIH/3T3 fibroblasts cells cultures using MTT assy. Anti-angiogenic potentials of isolated compounds were evaluated via chorioallantoic membrane assay. Anti-tumor studies were done using Agrobacterium tumefaciens induced potato tumor assay. Furthermore, to understand the binding modes of Isolated compounds, molecular docking was performed against EGFR, HER2 and VEGFR using MOE as docking software. RESULTS Two bioactive compounds PH-1 (4-methyl-5-oxo-tetrahydrofuran-3-yl acetate) and PH-2 (methyl 4-hydroxy-3-methoxybenzoate) were purified from the active fractions. In cytotoxicity studies, PH-1 exhibited highest cytotoxicity against HeLA cells with 87.50% lethality at 1 mgmL-1 concentration and LD50 of 60 µgmL-1. Likewise, PH-2 showed 82.33% cytotoxicity against HeLA cells with LD50 of 160 µgmL-1. Similarly, PH-1 and PH-2 exhibited LD50 of 170 and 380 µgmL-1 respectively. Moreover, PH-1 and PH-2 were also very potent cytotoxic compounds against NIH/3T3 cells with 81.45 and 85.55% cytotoxicity at 1 mgL-1 concentration and LD50 of 140 and 58 µgL-1 respectively. Isolated compounds exhibited considerable anti-angiogenic potentials with IC50 of 340 and 500 µgL-1 respectively for PH-1 and PH-2. In anti-tumor assay, PH-1 and PH-2 exhibited 81.15 and 76.09% inhibitions with LD50 of 340 and 550 µgL-1 respectively. Both compounds selectively binds with EGFR and HER2 receptors with low binding energies. Both compounds exhibited stronger interactions with VEGFR through binding pocket residues Lys868, Val916 and Asp1046. CONCLUSIONS Both compounds cause considerable cytotoxicity against cancer cells. The anti-angiogenic and anti-tumor results suggests additional tumor suppressive properties. Docking analysis suggests that these compound not only has the ability to bind to EGFR and HER2 but also equally binds to VEGFR and may act as potential anti-angiogenic agents.
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Affiliation(s)
- Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Yahya S. Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Bandar A. Alyami
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Ali O. Alqarni
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Farhat Ullah
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L) KP Pakistan
| | - Abdul Wadood
- Department of Biochemistry, Abdul Wali khan University, Mardan, KP 23200 Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L) KP Pakistan
| | - Azam Shareef
- Department of Biochemistry, Abdul Wali khan University, Mardan, KP 23200 Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L) KP Pakistan
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Gregoriou G, Neophytou CM, Vasincu A, Gregoriou Y, Hadjipakkou H, Pinakoulaki E, Christodoulou MC, Ioannou GD, Stavrou IJ, Christou A, Kapnissi-Christodoulou CP, Aigner S, Stuppner H, Kakas A, Constantinou AI. Anti-Cancer Activity and Phenolic Content of Extracts Derived from Cypriot Carob ( Ceratonia siliqua L.) Pods Using Different Solvents. Molecules 2021; 26:5017. [PMID: 34443605 PMCID: PMC8401790 DOI: 10.3390/molecules26165017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/15/2021] [Accepted: 08/16/2021] [Indexed: 01/11/2023] Open
Abstract
Extracts derived from the Ceratonia siliqua L. (carob) tree have been widely studied for their ability to prevent many diseases mainly due to the presence of polyphenolic compounds. In this study, we explored, for the first time, the anti-cancer properties of Cypriot carobs. We produced extracts from ripe and unripe whole carobs, pulp and seeds using solvents with different polarities. We measured the ability of the extracts to inhibit proliferation and induce apoptosis in cancer and normal immortalized breast cells, using the MTT assay, cell cycle analysis and Western Blotting. The extracts' total polyphenol content and anti-oxidant action was evaluated using the Folin-Ciocalteu method and the DPPH assay. Finally, we used LC-MS analysis to identify and quantify polyphenols in the most effective extracts. Our results demonstrate that the anti-proliferative capacity of carob extracts varied with the stage of carob maturity and the extraction solvent. The Diethyl-ether and Ethyl acetate extracts derived from the ripe whole fruit had high Myricetin content and also displayed specific activity against cancer cells. Their mechanism of action involved caspase-dependent and independent apoptosis. Our results indicate that extracts from Cypriot carobs may have potential uses in the development of nutritional supplements and pharmaceuticals.
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Affiliation(s)
- Gregoria Gregoriou
- Department of Biological Sciences, University of Cyprus, Nicosia 1678, Cyprus; (G.G.); (Y.G.); (A.I.C.)
| | - Christiana M. Neophytou
- Department of Biological Sciences, University of Cyprus, Nicosia 1678, Cyprus; (G.G.); (Y.G.); (A.I.C.)
- European University Research Center, Nicosia 2404, Cyprus
| | - Alexandru Vasincu
- Department of Pharmacodynamics and Clinical Pharmacy, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iaşi, Romania;
| | - Yiota Gregoriou
- Department of Biological Sciences, University of Cyprus, Nicosia 1678, Cyprus; (G.G.); (Y.G.); (A.I.C.)
| | - Haria Hadjipakkou
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
| | - Eftychia Pinakoulaki
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
| | - Marios C. Christodoulou
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
| | - Georgia D. Ioannou
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
| | - Ioannis J. Stavrou
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
- Department of Life Sciences, European University Cyprus, Nicosia 2404, Cyprus
| | - Atalanti Christou
- Department of Chemistry, University of Cyprus, Nicosia 1678, Cyprus; (H.H.); (E.P.); (M.C.C.); (G.D.I.); (I.J.S.); (A.C.); (C.P.K.-C.)
| | | | - Siegfried Aigner
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), Center for Chemistry and Biomedicine, University of Innsbruck, 6020 Innsbruck, Austria; (S.A.); (H.S.)
| | - Hermann Stuppner
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), Center for Chemistry and Biomedicine, University of Innsbruck, 6020 Innsbruck, Austria; (S.A.); (H.S.)
| | - Antonis Kakas
- Department of Computer Science, University of Cyprus, Nicosia 1678, Cyprus;
| | - Andreas I. Constantinou
- Department of Biological Sciences, University of Cyprus, Nicosia 1678, Cyprus; (G.G.); (Y.G.); (A.I.C.)
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Islam MA, Zaman S, Biswas K, Al-Amin MY, Hasan MK, Alam AHMK, Tanaka T, Sadik G. Evaluation of cholinesterase inhibitory and antioxidant activity of Wedelia chinensis and isolation of apigenin as an active compound. BMC Complement Med Ther 2021; 21:204. [PMID: 34315449 PMCID: PMC8317308 DOI: 10.1186/s12906-021-03373-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/30/2021] [Indexed: 12/14/2022] Open
Abstract
Background Wedelia chinensis has been reported as a folk medicine for the treatment of different diseases including neurodegenerative disease. Although the plant has been studied well for diverse biological activities, the effect of this plant in neurological disorder is largely unknown. The present study was undertaken to evaluate the cholinesterase inhibitory and antioxidant potential of W. chinensis. Methods The extract and fractions of the plant were evaluated for acetylcholinesterase and butyrylcholinesterase inhibitory activity by modified Ellman method. The antioxidant activity was assessed in several in vitro models/assays such as reducing power, total antioxidant capacity, total phenolic and flavonoid content, scavenging of 2,2′-diphenyl-1-picrylhydrazyl (DPPH) free radical and hydroxyl radical, and inhibition of brain lipid peroxidation. Chromatographic and spectroscopic methods were used to isolate and identify the active compound from the extract. Results Among the fractions, aqueous fraction (AQF) and ethylacetate fraction (EAF) exhibited high inhibition against acetylcholinesterase (IC50: 40.02 ± 0.16 μg/ml and 57.76 ± 0.37 μg/ml) and butyrylcholinesterase (IC50: 31.79 ± 0.18 μg/ml and 48.41 ± 0.05 μg/ml). Similarly, the EAF and AQF had high content of phenolics and flavonoids and possess strong antioxidant activity in several antioxidant assays including DPPH and hydroxyl radical scavenging, reducing power and total antioxidant activity. They effectively inhibited the peroxidation of brain lipid in vitro with IC50 values of 45.20 ± 0.10 μg/ml and 25.53 ± 0.04 μg/ml, respectively. A significant correlation was observed between total flavonoids and antioxidant and cholinesterase inhibitory activity. Activity guided chromatographic separation led to the isolation of a major active compound from the EAF and its structure was elucidated as apigenin by spectral analysis. Conclusions The potential ability of W. chinensis to inhibit the cholinesterase activity and peroxidation of lipids suggest that the plant might be useful for the management of AD. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-021-03373-4.
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Affiliation(s)
- Md Aminul Islam
- Department of Chemistry, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Shahed Zaman
- Department of Chemistry, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Kushal Biswas
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Yusuf Al-Amin
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Kamrul Hasan
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - A H M K Alam
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | | | - Golam Sadik
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Li J, Song D, Zhang B, Guo J, Li W, Zhang X, Zhao Q. Hepatoprotective Effects of Heracleum candicans Against Carbon Tetrachloride-Induced Acute Liver Injury in Rats. Dose Response 2021; 19:15593258211029510. [PMID: 34290575 PMCID: PMC8278464 DOI: 10.1177/15593258211029510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 06/10/2021] [Accepted: 06/12/2021] [Indexed: 01/08/2023] Open
Abstract
Purpose: To determine the hepatoprotective mechanisms of Heracleum candicans in rats with acute liver injury induced by carbon tetrachloride (CCl4). Methods: Rats were intragastrically administered H candicans twice a day for 14 consecutive days and were intraperitoneally challenged with CCl4. Alanine aminotransferase and aspartate aminotransferase were measured to indicate liver injury. Malondialdehyde antioxidant enzyme activity and tumor necrosis factor-alpha and interleukin 6 secretion were measured as liver injury indicators. Histopathological tests were conducted to determine whether H candicans ameliorated liver injury. Results: CCl4-induced liver injury led to significant increases in liver injury biochemical indicators transaminase and malondialdehyde activities. H candicans pretreatments inhibited these increases. Pathological sections in pretreated samples exhibited reduced vacuole formation, neutrophil infiltration, and necrosis. Conclusion: H candicans increases the antioxidant capacity of the liver and maintains hepatocyte function in the face of CCl4-induced injury.
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Affiliation(s)
- Jie Li
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China.,Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
| | - Dan Song
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China.,Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
| | - Bintao Zhang
- Xianyang Central Hospital, Xianyang, Shaanxi, China
| | - Jinwei Guo
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
| | - Wenping Li
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
| | - Xiaoying Zhang
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China.,Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
| | - Qin Zhao
- Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China.,Engineering Research Center of Tibetan Medicine Detection Technology, Ministry of Education, School of Medicine, Xizang Minzu University, Xianyang, Shaanxi, China
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20
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El-Hawwary SS, Abd Almaksoud HM, Saber FR, Elimam H, Sayed AM, El Raey MA, Abdelmohsen UR. Green-synthesized zinc oxide nanoparticles, anti-Alzheimer potential and the metabolic profiling of Sabal blackburniana grown in Egypt supported by molecular modelling. RSC Adv 2021; 11:18009-18025. [PMID: 35480186 PMCID: PMC9033216 DOI: 10.1039/d1ra01725j] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/19/2021] [Indexed: 01/18/2023] Open
Abstract
Nowadays, the biosynthesis of metal nanoparticles, particularly from plants, has been gaining interest. In the present work, the methanolic extracts of leaves, fruits, and the pollen grains of Sabal blackburniana were used for the green synthesis of ZnO nanoparticles, which were early detected by the formation of precipitate and further confirmed by UV-vis spectroscopy, transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infra-red (FT-IR) spectroscopy and zeta potential (ZP) studies. TEM analysis has shown different shapes, predominantly irregular small spherical narrow particles included in hexagonal structures with size ranging from 2.23 to 49.56 nm. The XRD pattern confirmed that all synthesized ZnO nanoparticles have wurtzite hexagonal structure with crystalline nature. The average particle crystallite sizes were 47.21, 47.67 and 47.8 nm. The UV-visible spectra showed λ max in the range of 354-368 nm, which indicated the presence of ZnO nanoparticles. The FT-IR analysis identifies the characteristic functional groups present on the surface of ZnO nanoparticles. The ZP determination demonstrated that all representative selected synthesized ZnONPs exhibited acceptable ZP values of -30.8 to -45.9 mV, which indicated their good stability. In addition, the anti-Alzheimer potential of the selected extracts and ZnONPs was evaluated by assessing acetylcholinesterase inhibitory activity in vitro according to the improved Ellman method. The results indicated that the selected extracts have acetylcholinesterase inhibitory activity, and highlighted the promising inhibitory potential of green-synthesized ZnONPs using pollen grains, fruits and leaves extracts; they exhibited a potent inhibitory effect with IC50 values 63.78 ± 1.04651, 81.985 ± 3.075 and 117.95 ± 6.858 ng ml-1 respectively in comparison to donepezil as standard (IC50 = 50.7 ± 5.769 ng ml-1). Dereplication analysis of the selected extracts was performed using LC-MS; metabolic profiling revealed the presence of 41 compounds belonging to various chemical classes: flavonoids, steroidal saponins, terpenoids, alkaloids, lignans, sterols and fatty acids. Docking these dereplicated metabolites against the human AChE showed that the non-glycosylated flavonoid class of compounds was able to achieve interesting binding modes inside the AChE active site; they are suggested to be associated with the observed anti-AChE activity of Sabal extracts. This study is the first report to shed light on the acetylcholinesterase inhibitory activity of green-synthesized ZnO nanoparticles of S. blackburniana metabolites.
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Affiliation(s)
- Seham S El-Hawwary
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University Cairo 11562 Egypt
| | | | - Fatema R Saber
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University Cairo 11562 Egypt
| | - Hanan Elimam
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City Sadat City 32897 Egypt
| | - Ahmed M Sayed
- Department of Pharmacognosy, Faculty of Pharmacy, Nahda University Beni-Suef 62513 Egypt
| | - Mohamed A El Raey
- Phytochemistry and Plant systematics Department, Pharmaceutical Division, National Research Centre Dokki Cairo Egypt
| | - Usama Ramadan Abdelmohsen
- Department of Pharmacognosy, Faculty of Pharmacy, Deraya University Universities Zone, 61111 New Minia City Minia Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University 61519 Minia Egypt
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21
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Potential therapeutic natural products against Alzheimer's disease with Reference of Acetylcholinesterase. Biomed Pharmacother 2021; 139:111609. [PMID: 33915501 DOI: 10.1016/j.biopha.2021.111609] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/04/2021] [Accepted: 04/12/2021] [Indexed: 12/17/2022] Open
Abstract
Alzheimer's disease (AD), is the most common type of dementia primarily affecting the later years of life. Its prevalence is likely to increase in any aging population and will be a major burden on healthcare system by the mid of the century. Despite scientific and technological breakthroughs in the last 50 years, that have expanded our understanding of the disease on a system, cellular and molecular level, therapies that could stop or slow the progression of the disease are still unavailable. The Food and Drug Administration (FDA), has approved acetylcholinesterase (AChE) inhibitors (donepezil, galantamine, tacrine and rivastigmine) and glutamate receptor antagonist (memantine) for the treatment of AD. In this review we summarize the studies reporting phytocompounds and extracts from medicinal plants that show AChE inhibitory activities and could be of potential benefit in AD. Future research directions are suggested and recommendations made to expand the use of medicinal plants and their formulations to prevent, mitigate and treat AD.
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22
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Tong X, Li X, Ayaz M, Ullah F, Sadiq A, Ovais M, Shahid M, Khayrullin M, Hazrat A. Neuroprotective Studies on Polygonum hydropiper L. Essential Oils Using Transgenic Animal Models. Front Pharmacol 2021; 11:580069. [PMID: 33584260 PMCID: PMC7873646 DOI: 10.3389/fphar.2020.580069] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 12/08/2020] [Indexed: 01/12/2023] Open
Abstract
Polygonum hydropiper L. and related species are reported to possess neuroprotective potentials. In an attempt to validate its anti-Alzheimer's potentials, leaf oils (Ph. Lo) were extensively evaluated in this study against several in vitro and in vivo models of Alzheimer's disease. The Ph. Lo were tested against pathological targets of Alzheimer's diseases (ADs). The in vitro and in vivo assays were done for cholinesterase inhibition, anti-radical properties and cognitive assessments using transgenic animal models. In preliminary cholinesterase inhibition assays, Ph. Lo were more active against acetylcholinesterase (AChE), butyrylcholinesterase (BChE), 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2-azinobis (3-ethylbenzthiazoline)-6-sulfonic acid (ABTS), and hydrogen peroxide (H2O2) radicals. Subsequently, Ph. Lo was evaluated for its effects on special memory, exploratory behavior, and coordination using shallow water maze (SWM), Y-maze, open filed, and balance beam tests. Animal pre-genotyping was done via polymerase chain reaction (PCR) to confirm amyloid precursor protein (APP) transgene, and after completion of drug therapy, brain homogenates from the cortex and hippocampus were evaluated for cholinesterase and free radical studies. In SWM task, disease control animals treated with 10 mg/kg of Ph. Lo for 5 days exhibited significant improvement in cognitive performance indicated by low escape times on 5th day compared with normal animals. In the Y-maze test, transgenic animals showed higher spontaneous alternation behavior than disease control animals and standard control group animals. Ph. Lo therapy has improved the exploratory behavior and declined anxiety behavior in diseased animals as accessed via open field test. Ph. Lo administration significantly augmented the motor and coordination abilities of transgenic animals when compared to other groups of animals and declined AChE, BChE activities as well as free radicals load in the cortex and hippocampus tissues. Based on our finding, it is concluded that Ph. Lo exhibit significant neuroprotective potentials preliminary due to their anti-radicals and cholinesterase inhibitory activities. Ph. Lo need further detailed studies as potential aromatherapy against neurodegenerative disorders.
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Affiliation(s)
- Xin Tong
- Department of Clinical Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaoling Li
- Department of Imaging, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Muhammad Ovais
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Information Technology, Peshawar, Pakistan
| | - Mars Khayrullin
- K.G. Razumovsky Moscow State University of Technologies and Management (the First Cossack University), Moscow, Russia
| | - Ali Hazrat
- Department of Botany, University of Malakand, Chakdara, Pakistan
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23
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REN CZ, HU WY, LI JC, XIE YH, JIA NN, SHI J, WEI YY, HU TJ. Ethyl acetate fraction of flavonoids from Polygonum hydropiper L. modulates pseudorabies virus-induced inflammation in RAW264.7 cells via the nuclear factor-kappa B and mitogen-activated protein kinase pathways. J Vet Med Sci 2020; 82:1781-1792. [PMID: 32999131 PMCID: PMC7804032 DOI: 10.1292/jvms.20-0263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 08/21/2020] [Indexed: 01/05/2023] Open
Abstract
Pseudorabies virus (PRV) infection leads to severe inflammatory responses and tissue damage, and many natural herbs exhibit protective effects against viral infection by modulating the inflammatory response. An ethyl acetate fraction of flavonoids from Polygonum hydropiper L. (FEA) was prepared through ethanol extraction and ethyl acetate fractional extraction. An inflammatory model was established in RAW264.7 cells with PRV infection to evaluate the anti-inflammatory activity of FEA by measuring cell viability, nitric oxide (NO) production, reactive oxygen species (ROS) release, and mRNA expression of inflammatory factors, inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2). Its functional mechanism was investigated by analyzing the phosphorylation and nuclear translocation of key proteins in the nuclear factor-kappa B (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways. Our findings indicate that PRV induced inflammatory responses in RAW264.7 cells, and the responses were similar to that in lipopolysaccharide (LPS)-stimulated cells. FEA significantly suppressed NO synthesis and down-regulated both expression and secretion of COX-2, iNOS, and inflammatory cytokines (P<0.05 or P<0.01). FEA also reduced NF-κB p65 translocation into the nucleus and decreased MAPK phosphorylation, indicating that the NF-κB/MAPK signaling pathway may be closely related to the inflammatory response during viral infection. The findings suggested the potential pharmaceutical application of FEA as a natural product that can treat viral infections due to its ability to mitigate inflammatory responses.
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Affiliation(s)
- Chun-Zhi REN
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
- Guangxi Agricultural Vocational College, Nanning 530007, PR China
| | - Wen-Yue HU
- School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, 200030, PR China
| | - Jun-Cheng LI
- Guangxi Agricultural Vocational College, Nanning 530007, PR China
| | - Ying-Hong XIE
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Ni-Na JIA
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Jun SHI
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Ying-Yi WEI
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Ting-Jun HU
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
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24
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Nasir A, Khan M, Rehman Z, Khalil AAK, Farman S, Begum N, Irfan M, Sajjad W, Parveen Z. Evaluation of Alpha-Amylase Inhibitory, Antioxidant, and Antimicrobial Potential and Phytochemical Contents of Polygonum hydropiper L. PLANTS (BASEL, SWITZERLAND) 2020; 9:plants9070852. [PMID: 32640649 PMCID: PMC7412011 DOI: 10.3390/plants9070852] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/30/2020] [Accepted: 07/03/2020] [Indexed: 06/11/2023]
Abstract
Polygonum hydropiper L. is a traditionally used medicinal plant. The present study was designed to explore the α-amylase inhibitory, antioxidant, and antimicrobial activities of Polygonum hydropiper L. Polarity-based solvent extracts (n-hexane, acetone, chloroform, methanol, ethanol, and water) of Polygonum hydropiper leaves and stem were used. Antioxidant activity was assessed by free radical scavenging assay (FRAP) and 2,2-diphenylpicrylhydrazyl (DPPH) free radical scavenging activity methods. Quantitative phytochemical analyses suggested that the stem of Polygonum hydropiper L. contains higher levels of bioactive compounds than its leaves (p < 0.05). The results suggested that stem-derived extracts of Polygonum hydropiper L. are more active against bacterial species, including two Gram-positive and three Gram-negative strains. Moreover, our results showed that the bioactive compounds of Polygonum hydropiper L. significantly inhibit α-amylase activity. Finally, we reported the polarity-based solvent extracts of Polygonum hydropiper L. and revealed that the stem, rather than leaves, has a high antioxidant potential as measured by FRAP and DPPH assay with IC50 values of 1.38 and 1.59 mg/mL, respectively. It may also be deducted from the data that the Polygonum hydropiper L. could be a significant candidate, which should be subjected to further isolation and characterization, to be used as an antidiabetic, antimicrobial and antioxidant resource in many industries, like food, pharmaceuticals and cosmetics.
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Affiliation(s)
- Abdul Nasir
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (A.N.); (M.K.); (S.F.); (N.B.)
- Department of Molecular Science and Technology, Ajou University, Suwan 16499, Korea
| | - Mushtaq Khan
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (A.N.); (M.K.); (S.F.); (N.B.)
| | - Zainab Rehman
- Laboratory of Animal and Human Physiology, Department of Animal Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Atif Ali Khan Khalil
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan;
| | - Saira Farman
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (A.N.); (M.K.); (S.F.); (N.B.)
| | - Naeema Begum
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (A.N.); (M.K.); (S.F.); (N.B.)
| | - Muhammad Irfan
- College of Dentistry, Department of Oral Biology, University of Florida, Gainesville, FL 32610, USA;
| | - Wasim Sajjad
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi 46000, Pakistan;
| | - Zahida Parveen
- Department of Biochemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (A.N.); (M.K.); (S.F.); (N.B.)
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Synthesis, structure and antioxidant properties of manganese(II), zinc(II) and cobalt(II) complexes with bis(benzimidazol-2-ylmethyl)allylamine. TRANSIT METAL CHEM 2020. [DOI: 10.1007/s11243-020-00405-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Munir N, Mahmood Z, Yameen M, Mustafa G. Therapeutic Response of Epimedium gandiflorum's Different Doses to Restore the Antioxidant Potential and Reproductive Hormones in Male Albino Rats. Dose Response 2020; 18:1559325820959563. [PMID: 32973420 PMCID: PMC7493261 DOI: 10.1177/1559325820959563] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 08/21/2020] [Accepted: 08/25/2020] [Indexed: 12/16/2022] Open
Abstract
Current study was planned to explore the therapeutic response of different doses of hydroethanolic extract of Epimedium grandiflorum leaves in male albino rats. Phytochemical analysis, HPLC and FTIR spectroscopy results revealed the presence of wide range of phenolic compounds and functional groups, respectively. Further, extract not induced significant hemolysis (7.56 ± 1.297%) against PBS (3.65 ± 0.35%) as negative control; while have significant clot lysis (44 ± 5.2%) potential, exhibited DPPH (78.87 ± 5.427%) scavenging, H2O2 (31.82 ± 3.491%) scavenging, antioxidant and reducing power activities. In vivo experimentation in albino male rats' revealed that administration of different doses (50, 100, 200 mg/Kg b.w.) of extract orally for 42 days after CCl4 intoxication significantly (P < 0.05) restore the selected parameters including liver enzymes, renal profiles, and stress markers and significantly (P < 0.05) increased reproductive hormones like testosterone, luteinizing hormone, follicle stimulating hormone and prolactin while significantly (P < 0.05) decreased progesterone and estradiol toward normal in dose dependent manner. Significant (P < 0.05) improvement in the structural architecture of testicular tissue particularly in high dose group (200 mg/Kg b.w.) was also observed. Results revealed E. grandiflorum has significant therapeutic response to address the healthcare problems particularly of impotency.
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Affiliation(s)
- Naveed Munir
- Department of Biochemistry, Government College University Faisalabad, Punjab, Pakistan
| | - Zahed Mahmood
- Department of Biochemistry, Government College University Faisalabad, Punjab, Pakistan
| | - Muhammad Yameen
- Department of Biochemistry, Government College University Faisalabad, Punjab, Pakistan
| | - Ghulam Mustafa
- Department of Biochemistry, Government College University Faisalabad, Punjab, Pakistan
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Antimalarial Activity of Crude Extract and Solvent Fractions of the Leaves of Bersama abyssinica Fresen. (Melianthaceae) against Plasmodium berghei Infection in Swiss Albino Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9467359. [PMID: 32595751 PMCID: PMC7301234 DOI: 10.1155/2020/9467359] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/14/2020] [Indexed: 01/10/2023]
Abstract
Background Treatment of malaria has been compromised by the emergence of drug-resistant parasites. Consequently, novel agents are urgently needed from different sources including from medicinal plants. Thus, the current study aimed at evaluating the antimalarial activity of crude extract and solvent fractions of the leaves of Bersama abyssinica (B. abyssinica) against Plasmodium berghei infection in Swiss Albino mice. Method A 4-day suppressive test was employed to evaluate the antimalarial effect of crude extract and solvent fractions against early infection. The curative and prophylactic effects of crude extract and fraction with the highest chemosuppression were further tested by Rane's test and residual infection procedure. Parasitemia, survival time, packed cell volume (PCV), body weight, and rectal temperature of mice were used as evaluation parameters. Windows SPSS version 20 was used to analyze the data and analysis of variance (ANOVA) followed by Tukey's post hoc test was used to compare data between groups. Results The crude extract and aqueous fraction significantly (P < 0.05 to 0.001) suppressed parasitemia followed by protection of PCV reduction resulting in prolonging the survival time but failed to protect body weight and rectal temperature reduction in all tested models. The ethyl acetate and chloroform fractions also showed significant chemosuppression and PCV protection in the 4-day suppressive test. The crude extract exhibited a chemosuppression of 49.51%, 57.94%, and 44.11% while the aqueous fraction showed suppression of 47.69%, 51.62%, and 37.07% in 4-day suppressive, curative, and prophylactic tests, respectively, at 400 mg/kg. Conclusion The crude extract and fractions showed fairly moderate antimalarial activity, and the finding supports the traditional claims and previous in vitro studies. Thus, this may call for further studies to isolate chemical entities for additional safety and efficacy tests.
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Belachew TF, Asrade S, Geta M, Fentahun E. In Vivo Evaluation of Wound Healing and Anti-Inflammatory Activity of 80% Methanol Crude Flower Extract of Hagenia abyssinica (Bruce) J.F. Gmel in Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2020; 2020:9645792. [PMID: 32308725 PMCID: PMC7149342 DOI: 10.1155/2020/9645792] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/31/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Hagenia abyssinica (Bruce) J.F. Gmel (Rosaceae) is distributed in the highlands of Ethiopia. The flowers of Hagenia abyssinica (Bruce) J.F. Gmel are used traditionally to treat wound. However, there was no scientific report on wound healing activity of Hagenia abyssinica (Bruce) J.F. Gmel. Thus, this study was initiated to investigate the wound healing and anti-inflammatory activities of 80% methanol crude extract of flowers of Hagenia abyssinica in mice. OBJECTIVE The objective of this study was to evaluate the wound healing and anti-inflammatory activity of 80% methanol crude flower extract of Hagenia abyssinica in mice. METHODS Air-dried flowers of Hagenia abyssinica were grounded and macerated three times successively by 80% methanol. The dried extract was fractionated with chloroform, ethyl acetate, and water. Phytochemical screening tests were performed according to established procedures. The crude extract and solvent fractions were formulated as ointments. Wound healing activity of the crude extract was evaluated using excision and incision wound models, and the wound healing activities of solvent fractions were evaluated by using the excision wound model. The anti-inflammatory activity of the 80% methanol extract of Hagenia abyssinica was evaluated using carrageenan-induced hind paw edema model in mice. RESULT The 2000 mg/kg test dose of the 10% (w/w) crude extract ointment was safe in rats. Both the 5% (w/w) and 10% (w/w) crude extract ointment-treated groups showed significant wound contraction starting from the day 4th. Both 5% (w/w) and 10% (w/w) crude extract ointments showed significant (P < 0.001) increment of tensile strength compared to the negative control. The 10% (w/w) aqueous and ethyl acetate fraction ointment revealed high (P < 0.001) percentage of wound contraction. The 100 mg/kg, 200 mg/kg, and 400 mg/kg oral administration of the crude extract had significant inhibition of the paw edema in mice of carrageenan-induced inflammation. CONCLUSION The results of this study evidenced that both 5% w/w and 10% w/w 80% methanol extract ointment of the flowers of Hagenia abyssinica have wound healing and anti-inflammatory effects.
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Affiliation(s)
| | - Seyfe Asrade
- Department of Pharmacology, School of Pharmacy, University of Gondar, Gondar, Ethiopia
| | - Mestayt Geta
- Department of Pharmacology, School of Pharmacy, University of Gondar, Gondar, Ethiopia
| | - Engidaw Fentahun
- Department of Human Anatomy, School of Medicine, University of Gondar, Gondar, Ethiopia
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Nazir N, Nisar M, Ahmad S, Wadood SF, Jan T, Zahoor M, Ahmad M, Ullah A. Characterization of phenolic compounds in two novel lines of Pisum sativum L. along with their in vitro antioxidant potential. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7639-7646. [PMID: 31889276 DOI: 10.1007/s11356-019-07065-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 11/13/2019] [Indexed: 06/10/2023]
Abstract
Like other vegetables, Pisum sativum L. also faces storage and degradation problems. To enhance their resistance and make them enable to cope with the deterioration problems during storage, the current study was designed to develop two resistant lines of P. sativum in terms of phenolic contents and genotypes. The phenolic compounds generally have antioxidant properties and deterioration during storage which are usually due to oxidation caused by free radicals. Thus, if a variety has high phenolic contents these problems will be coped in a better way. The genotype of a plant is also important in this regard, and the best adopted species would survive in unfavorable conditions. First, the phenolic and flavonoid contents were determined in the crude extract using the Folin-Ciocalteu method. Then, the identification and quantification of phenolic compounds were carried out in the developed lines of selected plants PL-04 and PL-05, as well as in the parental varieties [Climax (female) and Falan (male)] via HPLC. DPPH assay was used to determine the free radical scavenging capabilities of the extracts of the developed verities. The genotypic differences were confirmed by DNA fingerprinting using advanced simple sequence repeat (SSR) markers. The HPLC analysis of PL-04 confirmed the presence of three phenolic compounds in an appreciable amount which exhibited a higher antioxidant activity against DPPH radicals, while in the parental varieties, two phenolic compounds were identified and exhibited lower antioxidant activities. PL-04 was found rich in phenolic compounds and affectively scavenge-free radicals which would therefore be resistant to oxidation and degradation caused by free radicals. Comparing the present findings with our previous one, P-04 was found to be resistant to powdery mildew; it was concluded that the most probable reason of the resistance was the high phenolic contents and thus long shelf life.
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Affiliation(s)
- Nausheen Nazir
- Department of Botany, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
- Department of Biochemistry, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
| | - Mohammad Nisar
- Department of Botany, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan.
| | - Sajjad Ahmad
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
- Department of Phamacy, Sarhad University of Science and Technology, Peshawar, Pakistan
| | - Syed Fazal Wadood
- Department of Botany, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
| | - Tour Jan
- Department of Botany, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
| | - Muhammad Zahoor
- Department of Biochemistry, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
| | - Manzoor Ahmad
- Department of Biochemistry, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
| | - Abid Ullah
- Department of Botany, University of Malakand, Chakdara, Dir (L), Khyber Pakhtunkhwa, 18000, Pakistan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, Hubei, People's Republic of China
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Chen S, Zhang CL, Zhou XF, Gao Y, Chen H, Fu BD, Yi PF, Shen HQ. Anti-inflammatory and antioxidative properties of helicid protect against CCl 4 induced acute liver injury in mice. Biotech Histochem 2020; 95:483-489. [PMID: 32067515 DOI: 10.1080/10520295.2020.1718210] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Acute liver injury can be caused by chemicals and can lead to liver failure. We investigated the protective effect of helicid (HEL) on acute liver injury caused by CCl4 in mice. We found that ALT and AST levels as well as hepatic pathological damage in mice treated with CCl4 was increased significantly, while the effects were decreased by HEL treatment. HEL treatment increased the activity of T-SOD, GSH and CAT and reduced the level of MDA in CCl4 treated mice. HEL improved the histopathology of liver caused by CCl4. HEL also reduced TNF-α, IL-1β and IL- 6 activity caused by CCl4. We investigated the phosphorylation of p65 and IκB protein and found that HEL can alleviate liver damage via the NF-κB signaling pathway. Our findings indicate that HEL protects against acute liver injury induced by CCl4. The protective effect of HEL appears to be due to its antioxidative and anti-inflammatory properties through the NF-κB signaling pathway.
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Affiliation(s)
- Shuang Chen
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Chun-Lei Zhang
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Xiao-Fei Zhou
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Yu Gao
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Hao Chen
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Ben-Dong Fu
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Peng-Fei Yi
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
| | - Hai-Qing Shen
- College of Veterinary Medicine, Jilin University , 5333 Xi'an Road, Changchun, Jilin 130062, China
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Zahoor M, Bari WU, Zeb A, Khan I. Toxicological, anticholinesterase, antilipidemic, antidiabetic and antioxidant potentials of Grewia optiva Drummond ex Burret extracts. J Basic Clin Physiol Pharmacol 2020; 31:/j/jbcpp.ahead-of-print/jbcpp-2019-0220/jbcpp-2019-0220.xml. [PMID: 31926084 DOI: 10.1515/jbcpp-2019-0220] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/30/2019] [Indexed: 11/15/2022]
Abstract
Background In this study, Grewia optiva Drummond ex Burret root extracts were assessed for use as a remedy for oxidative stress, diabetes mellitus and neurological disorders. Methods The antioxidative potentials of the extracts were determined using DPPH and ABTS assays, whereas their enzyme inhibitory potentials were determined against acetylcholinesterase (AChE), butyrylcholinesterase (BChE), α-glucosidase and α-amylase. In the in vivo experiments, methanol extract was orally administered to mice (n = 5) at four doses of 200, 300, 400 and 500 mg kg-1 for 30 days and its effect on glucose, triglycerides, total cholesterol, etc. were investigated. Results The highest free radical scavenging activities against DPPH and ABTS radicals were recorded for the methanol and ethyl acetate extracts, and their respective IC50 values were 75 and 88 μg/mL. In addition, these two fractions were highly active in inhibiting AChE and BChE, with IC50 values of 120 and 185 μg/mL, respectively. Moderate inhibition (μg/mL) was recorded against α-glucosidase (69.02 ± 1.02 and 64.29 ± 2.41) and α-amylase (65.12 ± 2.02 and 63.29 ± 1.41) and these were comparable to the inhibitory activities exhibited by the standard, acarbose. All the extracts showed high phenolic and flavonoid contents, which correlated with their antioxidant, anticholinesterase, α-glucosidase and α-amylase activities. The phenolic compounds in the crude extract and fractions were determined using the standard HPLC method and bioactive compounds, namely, morin, ellagic acid, kaempferol-3-(p-coumaroyl-diglucoside)-7-glucoside, apigenin-7-O-rutinoside, quercetin-3-(caffeoyl-diglucoside)-7-glucoside, etc., which were detected at various retention times. Significant decrease in cholesterol, triglyceride and blood glucose levels were observed. Conclusion G. optiva is a good source of antioxidants and other phytochemicals, some of which possess anticholinesterase, anti-glucosidase, and anti-amylase activities, and can be used to treat different health conditions such as oxidative stress, neurological disorders, and diabetes mellitus.
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Affiliation(s)
- Muhammad Zahoor
- Biochemistry Department, University of Malakand, Chakdara, Dir Lower, 18800 KPK, Pakistan
| | - Wasim Ul Bari
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower, KPK, Pakistan
| | - Alam Zeb
- Biochemistry Department, University of Malakand, Chakdara, Dir Lower, KPK, Pakistan
| | - Irfan Khan
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower, KPK, Pakistan
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Ayaz M, Ovais M, Ahmad I, Sadiq A, Khalil AT, Ullah F. Biosynthesized metal nanoparticles as potential Alzheimer’s disease therapeutics. METAL NANOPARTICLES FOR DRUG DELIVERY AND DIAGNOSTIC APPLICATIONS 2020:31-42. [DOI: 10.1016/b978-0-12-816960-5.00003-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Molecular salts of terephthalic acids with 2-aminopyridine and 2-aminothiazole derivatives as potential antioxidant agents; Base-Acid-Base type architectures. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127126] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Sulaimon L, Adisa R, Obuotor E, Lawal M, Moshood A, Muhammad N. Chemical composition, antioxidant, and anticholine esterase activities of essential oil of xylopia aethiopica seeds. Pharmacognosy Res 2020. [DOI: 10.4103/pr.pr_47_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Ahmad S, Zeb A, Ayaz M, Murkovic M. Characterization of phenolic compounds using UPLC–HRMS and HPLC–DAD and anti-cholinesterase and anti-oxidant activities of Trifolium repens L. leaves. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03416-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ahmad A, Ullah F, Sadiq A, Ayaz M, Rahim H, Rashid U, Ahmad S, Jan MS, Ullah R, Shahat AA, Mahmood HM. Pharmacological Evaluation of Aldehydic-Pyrrolidinedione Against HCT-116, MDA-MB231, NIH/3T3, MCF-7 Cancer Cell Lines, Antioxidant and Enzyme Inhibition Studies. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:4185-4194. [PMID: 31849450 PMCID: PMC6911349 DOI: 10.2147/dddt.s226080] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 11/12/2019] [Indexed: 12/16/2022]
Abstract
Purpose The current work was designed to synthesize a bioactive derivative of succinimide and evaluate it for anti-Alzheimer, anticancer and anti-diabetic potentials. Methods The compound was synthesized by Michael addition of butyraldehyde with N-phenylmaleimide. The synthesized compound was screened for biological potentials including anti-cholinesterase, in-vitro anti-diabetic, antioxidant and anthelmintic potentials. The anti-cholinesterase potential was evaluated against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), anti-diabetic potential against α-glucosidase, antioxidant potential against ABTS, DPPH and H2O2 and anthelmintic potential against Perethima posthuma and Ascaridia galli respectively. Results The compound demonstrated significant AChE and BChE inhibition i.e., 71.34±1.92 and 73.42 ±1.92 at the concentration of 1000 µg/mL respectively. Other dilutions exhibited concentration-dependent inhibitory activity against both enzymes. In the MTT assay, the newly synthesized compound was found active against all of the cell lines viz, HCT-116, MDA-MB231, NIH/3T3 and MCF-7 and the highest cytotoxicity potential was observed against the colon cancer cell line (HCT-116) with an IC50 value of 78 µg/mL exhibiting its highest potential. Moreover, the compound exhibited prominent α-glucosidase inhibitory potentials (79.86±2.54% at 1000 µg/mL) with IC50 value of 156.23 µg/mL. Further, our test compound exhibited considerable scavenging activity against DPPH, ABTS and H2O2 free radicals with percent inhibitions of 75.84±1.58, 72.85±1.17 and 54.82±1.82 and IC50 values of 84.36, 139.74 and 752.21 µg/mL respectively. Our test sample exhibited significant anthelmintic potentials. It demonstrated significant paralysis and death of the test worms in an unbelievably short time in comparison with albendazole. Conclusion Going into the detail of all observations, it may be deduced that the newly synthesized succinimide derivative could be an important drug candidate against neurodegenerative disorders like Alzheimer's disease, cancer, diabetes mellitus and worms. Further detailed studies in animal models are required for in-vivo analysis of the compound.
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Affiliation(s)
- Ashfaq Ahmad
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Haroon Rahim
- Department of Pharmacy, Sarhad University of Science & Information Technology, Peshawar, KP (Khyber Pakhtunkhwa), Pakistan
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, KP (Khyber Pakhtunkhwa), Pakistan
| | - Sajjad Ahmad
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Muhammad Saeed Jan
- Department of Pharmacy, University of Malakand, Chakdara, Dir (L), KP (Khyber Pakhtunkhwa) 18000, Pakistan
| | - Riaz Ullah
- Department of Pharmacognosy (MAPPRC), College of Pharmacy, King Saud University Riyadh, Riyadh, Saudi Arabia
| | - Abdelaaty A Shahat
- Department of Pharmacognosy (MAPPRC), College of Pharmacy, King Saud University Riyadh, Riyadh, Saudi Arabia.,Phytochemistry Department, National Research Centre, Giza, Egypt
| | - Hafiz Majid Mahmood
- Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Ahmad S, Ullah F, Ayaz M, Ahmad A, Sadiq A, Mohani SNUH. Nutritional and medicinal aspects of Rumex hastatus D. Don along with in vitro anti-diabetic activity. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2019. [DOI: 10.1080/10942912.2019.1666868] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sajjad Ahmad
- Department of Pharmacy, Sarhad University of Science & Technology, Peshawar, KPK, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, KPK, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, KPK, Pakistan
| | - Ashfaq Ahmad
- Department of Pharmacy, Sarhad University of Science & Technology, Peshawar, KPK, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, KPK, Pakistan
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Ul Bari W, Zahoor M, Zeb A, Sahibzada MUK, Ullah R, Shahat AA, Mahmood HM, Khan I. Isolation, pharmacological evaluation and molecular docking studies of bioactive compounds from Grewia optiva. Drug Des Devel Ther 2019; 13:3029-3036. [PMID: 31692531 PMCID: PMC6717395 DOI: 10.2147/dddt.s220510] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 08/02/2019] [Indexed: 11/23/2022] Open
Abstract
Background Traditionally, Grewia optiva is widely used for the treatment of many diseases like dysentery, fever, typhoid, diarrhea, eczema, smallpox, malaria and cough. Methods Shade-dried roots of G. optiva were extracted with methanol. Based on HPLC results, chloroform and ethyl acetate fractions were subjected to silica column isolation and four compounds: glutaric acid (V), 3,5 dihydroxy phenyl acrylic acid (VI), (2,5 dihydroxy phenyl) 3',6',8'-trihydroxyl-4H chromen-4'-one (VII) and hexanedioic acid (VIII) were isolated in pure form. Ellman’s assay was used to determine the anticholinesterase potential of isolated compounds while their antioxidant potential was estimated by DPPH and ABTS scavenging assays. Results Amongst the isolated compounds, VI and VII exhibited excellent percent inhibition of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) (83.23±1.11, 82.72±2.20 and 82.11±2.11, 82.23±1.21, respectively, at 1000 µg/mL) with IC50 of 76, 90, 78 and 92 µg/mL, respectively. Highest percent radicals scavenging against DPPH and ABTS (87.41±1.20 and 86.13±2.31) with IC50 of 64 and 65 µg/mL, respectively, were observed for compound VII. Molecular docking studies also supported the binding of compound VI and VII with the target enzyme. The para-hydroxyl group of the phenolic moiety is formed hydrogen bonds with the active site water molecule and the side chain carbonyl and hydroxyl residues of enzyme. Conclusion The isolated compounds inhibited the DPPH and ABTS-free radicals, and AChE and BChE enzymes. It was concluded that these compounds could be used in relieving the oxidative stress and pathological symptoms associated with excessive hydrolysis of acetyl and butyryl choline. The results of the study were supported by docking studies for compounds VI and VII.
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Affiliation(s)
- Wasim Ul Bari
- Department of Chemistry, University of Malakand, Dir Lower, Chakdara, KPK 18800, Pakistan
| | - Mohammad Zahoor
- Department of Chemistry, University of Malakand, Dir Lower, Chakdara, KPK 18800, Pakistan
| | - Alam Zeb
- Department of Biotechnology, University of Malakand, Dir Lower, Chakdara, KPK 18800, Pakistan
| | | | - Riaz Ullah
- Medicinal, Aromatic and Poisonous Plants Research Center (MAPRC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdelaaty A Shahat
- Medicinal, Aromatic and Poisonous Plants Research Center (MAPRC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.,Phytochemistry Department, National Research Centre, Giza, Egypt
| | - Hafiz Majid Mahmood
- Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Irfan Khan
- Department of Chemistry, University of Malakand, Dir Lower, Chakdara, KPK 18800, Pakistan
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Bari WU, Zahoor M, Zeb A, Khan I, Nazir Y, Khan A, Rehman NU, Ullah R, Shahat AA, Mahmood HM. Anticholinesterase, antioxidant potentials, and molecular docking studies of isolated bioactive compounds from Grewia optiva. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2019. [DOI: 10.1080/10942912.2019.1650763] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Wasim Ul Bari
- Department of Chemistry, University of Malakand, Dir Lower, Pakistan
| | - Muhammad Zahoor
- Department of Chemistry, University of Malakand, Dir Lower, Pakistan
| | - Alam Zeb
- Department of Biotechnology, University of Malakand, Dir Lower, Pakistan
| | - Irfan Khan
- Department of Chemistry, University of Malakand, Dir Lower, Pakistan
| | - Yasir Nazir
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, Birkat Al Mauz, Sultanate of Oman
| | - Najeeb Ur Rehman
- Natural and Medical Sciences Research Center, University of Nizwa, Birkat Al Mauz, Sultanate of Oman
| | - Riaz Ullah
- Medicinal, Aromatic and Poisonous Plants Research Center (MAPRC), College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abdelaat A. Shahat
- Medicinal, Aromatic and Poisonous Plants Research Center (MAPRC), College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- Phytochemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Hafiz Majid Mahmood
- Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Uysal S, Senkardes I, Mollica A, Zengin G, Bulut G, Dogan A, Glamočlija J, Soković M, Lobine D, Mahomoodally FM. Biologically active compounds from two members of the Asteraceae family: Tragopogon dubius Scop. and Tussilago farfara L. J Biomol Struct Dyn 2019; 37:3269-3281. [PMID: 30058457 DOI: 10.1080/07391102.2018.1506361] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 07/25/2018] [Indexed: 02/07/2023]
Abstract
Tragopogon dubius and Tussilago farfara are consumed as vegetables and used in folk medicine to manage common diseases. Herein, the chemical compositions and biological activities of different leaf extracts (ethyl acetate, methanol, and water) of T. dubius and T. farfara were evaluated. The antibacterial, antifungal, and antioxidant abilities of the extracts were tested using different assays including free radical scavenging, reducing power, phosphomolybdenum, and metal chelating assays. Enzyme inhibitory potentials were evaluated against cholinesterases, tyrosinase, α-amylase and α-glucosidase. Complexes of bioactive compounds (chlorogenic and rosmarinic acid) were docked into the enzymatic cavity of α-glucosidase and subjected to molecular dynamic calculation, enzyme conformational stability, and flexibility analysis. T. dubius and T. farfara extracts showed remarkable antioxidant potentials. Ethyl acetate extracts of T. dubius and T. farfara were the most potent inhibitors of acetylcholinesterase and butyrylcholinesterase. T. dubius ethyl acetate extract and T. farfara methanolic extract showed noteworthy activity against α-glucosidase. High performance liquid chromatography analysis revealed the abundance of some phenolic compounds including chlorogenic and rosmarinic acids. Ethyl acetate extract of T. dubius showed notable antifungal activity against all strains. Docking studies showed best pose for chlorogenic acid was stabilized by a network of hydrogen bonds with residues Asp1157, Asp1279, whereas rosmarinic acid showed several hydrogen bonds with Asp1157, Asp1420, Asp1526, Lys1460 and Trp1369. This study further validates the use of T. dubius and T. farfara in traditional medicine, as well as act as a stimulus for further studies for future biomedicine development. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sengul Uysal
- a Faculty of Science, Department of Biology , Selcuk University, Campus , Konya , Turkey
| | - Ismail Senkardes
- b Faculty of Pharmacy, Department of Pharmaceutical Botany , Marmara University , Istanbul , Turkey
| | - Adriano Mollica
- c Department of Pharmacy , University "G. d'Annunzio" of Chieti-Pescara , Chieti , Italy
| | - Gokhan Zengin
- a Faculty of Science, Department of Biology , Selcuk University, Campus , Konya , Turkey
| | - Gizem Bulut
- b Faculty of Pharmacy, Department of Pharmaceutical Botany , Marmara University , Istanbul , Turkey
| | - Ahmet Dogan
- b Faculty of Pharmacy, Department of Pharmaceutical Botany , Marmara University , Istanbul , Turkey
| | - Jasmina Glamočlija
- d Institute for Biological Research "Siniša Stanković", University of Belgrade , Belgrade , Serbia
| | - Marina Soković
- d Institute for Biological Research "Siniša Stanković", University of Belgrade , Belgrade , Serbia
| | - Devina Lobine
- e Faculty of Science, Department of Health Sciences , University of Mauritius , Réduit , Mauritius
| | - Fawzi M Mahomoodally
- e Faculty of Science, Department of Health Sciences , University of Mauritius , Réduit , Mauritius
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Nasar MQ, Khalil AT, Ali M, Shah M, Ayaz M, Shinwari ZK. Phytochemical Analysis, Ephedra Procera C. A. Mey. Mediated Green Synthesis of Silver Nanoparticles, Their Cytotoxic and Antimicrobial Potentials. ACTA ACUST UNITED AC 2019; 55:medicina55070369. [PMID: 31336944 PMCID: PMC6681234 DOI: 10.3390/medicina55070369] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 07/04/2019] [Accepted: 07/10/2019] [Indexed: 01/10/2023]
Abstract
Background and Objectives: The current study focuses on an eco-friendly and cost-effective method of Ephedra procera C. A. Mey. mediated green synthesis of silver nanoparticles as potential cytotoxic, antimicrobial and anti-oxidant agents. Materials and Methods: Plant aqueous extracts were screened for Total Phenolic (TPC), Total Flavonoid contents (TFC), Total Antioxidant Capacity (TAC) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging potentials. Total reducing power estimated by potassium ferricyanide colorimetric assay. The biosynthesized E. procera nanoparticles (EpNPs) were characterized by UV-spectroscopy, Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction and Scanning electron microscopy. EpNPs were evaluated for their antimicrobial, bio-compatibility and cytotoxic potentials. Results: Initial phytocheimcal analysis of plant aqueous extract revealed TFC of 20.7 ± 0.21 µg/mg extract and TPC of 117.01 ± 0.78 µg/mg extract. TAC, DPPH free radical scavenging and reducing power were 73.8 ± 0.32 µg/mg extract, 71.8 ± 0.73% and 105.4 ± 0.65 µg/mg extract respectively. The synthesized EpNPs were observed to possess high cytotoxicity against HepG2 cancer cell lines with IC50 (61.3 µg/mL) as compared aqueous extract with IC50 of (247 µg/mL). EpNPs were found to be biocompatible and have less effect on human erythrocytes. EpNPs exhibited significant antioxidant potentials and exhibited considerable activity against Escherichia coli and Bacillus subtilis with Minimum Inhibitory Concentration (MICs) of 11.12 μg/mL and 11.33 μg/mL respectively. Fungal species Aspergillus niger and Aspergillus flavus were found susceptible to EpNPs. Conclusions: Results of the current study revealed that EpNPs exhibited considerable antibacterial, antifungal and cytotoxic potentials. Aqueous extract possesses significant anti-radical properties and thus can be useful in free radicals induced degenerative disorders.
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Affiliation(s)
| | - Ali Talha Khalil
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore 54000, Pakistan
| | - Muhammad Ali
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mehwish Shah
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Collage of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Muhammad Ayaz
- Departant of Pharmacy, University of Malakand, Khyber Pakhtunkhwa 18800, Pakistan.
| | - Zabta Khan Shinwari
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan
- Lahore campus, Qarshi University, Lahore 54000, Pakistan
- Pakistan Academy of Sciences, Islamabad 44000, Pakistan
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Ayaz M, Sadiq A, Junaid M, Ullah F, Ovais M, Ullah I, Ahmed J, Shahid M. Flavonoids as Prospective Neuroprotectants and Their Therapeutic Propensity in Aging Associated Neurological Disorders. Front Aging Neurosci 2019; 11:155. [PMID: 31293414 PMCID: PMC6606780 DOI: 10.3389/fnagi.2019.00155] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 06/11/2019] [Indexed: 01/13/2023] Open
Abstract
Modern research has revealed that dietary consumption of flavonoids and flavonoids-rich foods significantly improve cognitive capabilities, inhibit or delay the senescence process and related neurodegenerative disorders including Alzheimer’s disease (AD). The flavonoids rich foods such as green tea, cocoa, blue berry and other foods improve the various states of cognitive dysfunction, AD and dementia-like pathological alterations in different animal models. The mechanisms of flavonoids have been shown to be mediated through the inhibition of cholinesterases including acetylcholinesterase (AChE), and butyrylcholinesterase (BChE), β-secretase (BACE1), free radicals and modulation of signaling pathways, that are implicated in cognitive and neuroprotective functions. Flavonoids interact with various signaling protein pathways like ERK and PI3-kinase/Akt and modulate their actions, thereby leading to beneficial neuroprotective effects. Moreover, they enhance vascular blood flow and instigate neurogenesis particularly in the hippocampus. Flavonoids also hamper the progression of pathological symptoms of neurodegenerative diseases by inhibiting neuronal apoptosis induced by neurotoxic substances including free radicals and β-amyloid proteins (Aβ). All these protective mechanisms contribute to the maintenance of number, quality of neurons and their synaptic connectivity in the brain. Thus flavonoids can thwart the progression of age-related disorders and can be a potential source for the design and development of new drugs effective in cognitive disorders.
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Affiliation(s)
- Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Muhammad Junaid
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan.,Department of Pharmacy, University of Swabi, Swabi, Pakistan
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Muhammad Ovais
- University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Ikram Ullah
- Suliman Bin Abdullah Aba-Alkhail Centre for Interdisciplinary Research in Basic Sciences, International Islamic University Islamabad, Islamabad, Pakistan
| | - Jawad Ahmed
- Institute of Basic Medical Sciences (IBMS), Khyber Medical University, Peshawar, Pakistan
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Science and Information Technology (SUIT), Peshawar, Pakistan
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Ibrar M, Khan MA, Nisar M, Khan M. Evaluation of Paeonia emodi for its cardioprotective potentials: An investigative study towards possible mechanism. JOURNAL OF ETHNOPHARMACOLOGY 2019; 231:57-65. [PMID: 30391709 DOI: 10.1016/j.jep.2018.10.041] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 08/18/2018] [Accepted: 10/31/2018] [Indexed: 05/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Paeonia emodi Wall. ex Royle (peony) is an important member of family Paeoniaceae. Different parts of the plant have been folklorically used for treatment of different diseases. Infusion of dried flowers is used to treat diarrhea, the seeds are emetic and cathartic while the rhizome has been indicated for the treatment of hysteria, abdominal spasm, nervine tonic and headache. Besides these, peony has also been used in different respiratory and cardiovascular diseases (CVDs) like hypertension, palpitations, congestive heart failure and atherosclerosis. Being a folkloric remedy for the treatment of CVDs, Paeonia emodi (P. emodi) requires to be explored scientifically for MI management. AIM The current research work was designed to explore the possible cardioprotective mechanism of P. emodi in Isoproterenol hydrochloride (ISO) induced MI in mice. MATERIALS AND METHODS Experimental animals randomly divided in different groups, received methanolic extract of P. emodi (Pe.ME) and its subsequent fractions for 15 days followed by ISO (100 mg/kg s.c) at 24 h interval for two days. The cardioprotective potential of the test samples were investigated by determining the serum levels of Alanine Amino Transferase (ALT), Aspartate Amino Transferase (AST), Lactate Dehydrogenase (LDH) and Creatine Phosphokinase (CPK). The ethyl acetate fraction (Pe.EA) was found potent among all the tested samples of P. emodi. Based on its high potency, Pe.EA was subjected to GC-MS analysis and further relevant experiments including anti-hyperlipidemic, antioxidant, lipid peroxidation, membrane stabilization, thrombolytic, DNA ladder assay and histopathological study. RESULTS Pe.EA exhibited significant cardioprotective activity through reduction in levels of serum biomarkers responsible for MI. It significantly reduced serum levels of ALT (p < 0.001), AST (p < 0.001), CPK (p < 0.05) and LDH (p < 0.001) at a dose of 300 mg/kg as compared to ISO treated group. The GC-MS analysis confirmed the presence of potential compounds (esculetin, methyl eugenol, isovanillic acid) which might play a role in cardioprotection. Further screening confirmed that the effect of Pe.EA is mediated through multiple targets/mechanisms, which include anti-hyperlipidemia, antioxidant, lipid peroxidation inhibition, membrane stabilization, thrombolytic and DNA protective effects. Histopathological studies revealed the palliative effect for the damage caused in myocardial tissues. CONCLUSION Findings of current study provide evidence that P. emodi is a potential candidate for the treatment and management of MI.
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Affiliation(s)
- Muhammad Ibrar
- Department of Pharmacy, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
| | - Mir Azam Khan
- Department of Pharmacy, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan.
| | - Mohammad Nisar
- Department of Botany, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
| | - Munasib Khan
- Department of Pharmacy, University of Malakand, Dir (L), Chakdara 18000, KP, Pakistan
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Zahoor M, Zafar R, Rahman NU. Isolation and identification of phenolic antioxidants from Pistacia integerrima gall and their anticholine esterase activities. Heliyon 2018; 4:e01007. [PMID: 30623127 PMCID: PMC6313820 DOI: 10.1016/j.heliyon.2018.e01007] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/12/2018] [Accepted: 11/30/2018] [Indexed: 11/15/2022] Open
Abstract
The galls of Pistacia integerrima are utilized in folk medicines for the treatment of cough, asthma, dysentery, liver disorders and for snake bite. A number of biological active compounds like alkaloids, flavonoids, tannins, saponins and sterols from leaf, stem, bark, galls and fruit of this plant have been isolated. A number of authors have attempted to evaluate the medicinal potentials of this plant. Owing to the numerous ethno medicinal uses Pistacia integerrima the present study was aimed to isolate bioactive phenolic compounds from this plant and evaluate its antioxidant and enzyme inhibitory potentials against acetylcholine esterase (AChE) and butyryl cholinesterase (BChE). The ethyl acetate fraction was highly potent in scavenging the DPPH and ABTS free radicals (86.07 ± 0.92% and 83.50 ± 1.03% respectively) and inhibiting the selected enzymes (80.80 ± 2.45 and 82.56 ± 0.65 against AChE and BChE respectively). Two compounds, quercetin and pyrogallol were isolated for the first time from this plant. The isolated compounds were characterized by HPLC, FTIR and 1H-NMR. From the results it was concluded that this plant can be useful in releaving the oxidative stress and in the treatment neurological disorders.
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Affiliation(s)
- Muhammad Zahoor
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower, 18800 KPK, Pakistan
| | - Roheena Zafar
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Pakistan
| | - Naveed Ur Rahman
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower, 18800 KPK, Pakistan
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45
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Ovais M, Zia N, Ahmad I, Khalil AT, Raza A, Ayaz M, Sadiq A, Ullah F, Shinwari ZK. Phyto-Therapeutic and Nanomedicinal Approaches to Cure Alzheimer's Disease: Present Status and Future Opportunities. Front Aging Neurosci 2018; 10:284. [PMID: 30405389 PMCID: PMC6205985 DOI: 10.3389/fnagi.2018.00284] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 08/30/2018] [Indexed: 12/22/2022] Open
Abstract
Alzheimer's disease (AD) is characterized by cognitive inability manifested due to the accumulation of β-amyloid, formation of hyper phosphorylated neurofibrillary tangles, and a malfunctioned cholinergic system. The degeneration integrity of the neuronal network can appear long after the onset of the disease. Nanotechnology-based interventions have opened an exciting area via theranostics of AD in terms of tailored nanomedicine, which are able to target and deliver drugs across the blood-brain barrier (BBB). The exciting interface existing between medicinal plants and nanotechnology is an emerging marvel in medicine, which has delivered promising results in the treatment of AD. In order to assess the potential applications of the medicinal plants, their derived components, and various nanomedicinal approaches, a review of literature was deemed as necessary. In the present review, numerous phytochemicals and various feats in nanomedicine for the treatment of AD have been discussed mechanistically for the first time. Furthermore, recent trends in nanotechnology such as green synthesis of metal nanoparticles with reference to the treatment of AD have been elaborated. Foreseeing the recent progress, we hope that the interface of medicinal plants and nanotechnology will lead to highly effective theranostic strategies for the treatment of AD in the near future.
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Affiliation(s)
- Muhammad Ovais
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Nashmia Zia
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Irshad Ahmad
- Department of Life Sciences, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Ali Talha Khalil
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
| | - Abida Raza
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
- Department of Life Sciences and Chemistry, Faculty of Health, Jacobs University Bremen, Bremen, Germany
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Zabta Khan Shinwari
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
- Pakistan Academy of Sciences, Islamabad, Pakistan
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Dos Santos TC, Gomes TM, Pinto BAS, Camara AL, Paes AMDA. Naturally Occurring Acetylcholinesterase Inhibitors and Their Potential Use for Alzheimer's Disease Therapy. Front Pharmacol 2018; 9:1192. [PMID: 30405413 PMCID: PMC6201143 DOI: 10.3389/fphar.2018.01192] [Citation(s) in RCA: 150] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 09/28/2018] [Indexed: 01/25/2023] Open
Abstract
Alzheimer's disease (AD) is a main cause of dementia, accounting for up to 75% of all dementia cases. Pathophysiological processes described for AD progression involve neurons and synapses degeneration, mainly characterized by cholinergic impairment. This feature makes acetylcholinesterase inhibitors (AChEi) the main class of drugs currently used for the treatment of AD dementia phase, among which galantamine is the only naturally occurring substance. However, several plant species producing diverse classes of alkaloids, coumarins, terpenes, and polyphenols have been assessed for their anti-AChE activity, becoming potential candidates for new anti-AD drugs. Therefore, this mini-review aimed to recapitulate last decade studies on the anti-AChE activity of plant species, their respective extracts, as well as isolated compounds. The anti-AChE activity of extracts prepared from 54 plant species pertaining 29 families, as well as 36 isolated compounds were classified and discussed according to their anti-AChE pharmacological potency to highlight the most prominent ones. Besides, relevant limitations, such as proper antioxidant assessment, and scarcity of toxicological and clinical studies were also discussed in order to help researchers out with the bioprospection of potentially new AChEi.
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Affiliation(s)
- Thaiane Coelho Dos Santos
- Laboratory of Experimental Physiology, Department of Physiological Sciences, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil.,Health Sciences Graduate Program, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil
| | - Thaís Mota Gomes
- Laboratory of Experimental Physiology, Department of Physiological Sciences, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil
| | - Bruno Araújo Serra Pinto
- Laboratory of Experimental Physiology, Department of Physiological Sciences, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil.,Health Sciences Graduate Program, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil
| | - Adriana Leandro Camara
- Laboratory of Experimental Physiology, Department of Physiological Sciences, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil
| | - Antonio Marcus de Andrade Paes
- Laboratory of Experimental Physiology, Department of Physiological Sciences, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil.,Health Sciences Graduate Program, Biological and Health Sciences Centre, Federal University of Maranhão, São Luís, Brazil
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Zahoor M, Shafiq S, Ullah H, Sadiq A, Ullah F. Isolation of quercetin and mandelic acid from Aesculus indica fruit and their biological activities. BMC BIOCHEMISTRY 2018; 19:5. [PMID: 29940844 PMCID: PMC6019818 DOI: 10.1186/s12858-018-0095-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 06/17/2018] [Indexed: 11/10/2022]
Abstract
BACKGROUND In this study Aesculus indica fruit was subjected to isolation of phytochemicals. Two antioxidants quercetin and Mandelic acid were isolated in pure state. The free radical scavenging and acetyl choline esterase inhibitory potential of the crude extract and sub fractions were also determined. RESULTS The antioxidant capacity of crude extract, fractions and isolated compounds were determined by DPPH and ABTS methods. Folin-Ciocalteu reagent method was used to estimate the total phenolic contents and were found to be 78.34 ± 0.96, 44.16 ± 1.05, 65.45 ± 1.29, 37.85 ± 1.44 and 50.23 ± 2.431 (mg/g of gallic acid) in crude extract, ethyl acetate, chloroform, n-hexane and aqueous fractions respectively. The flavonoid concentration in crude extract, ethyl acetate, chloroform, n-hexane and aqueous fraction were; 85.30 ± 1.20, 53.80 ± 1.07, 77.50 ± 1.12, 26.30 ± 1.35 and 37.78 ± 1.25 (mg/g of quercetin) respectively. The chloroform fraction was more potent against enzymes, acetyl choline esterase and butyryl choline esterase (IC50 = 85 and 160 μg/ml respectively). The phenolic compounds in the crude extract and fractions were determined using HPLC standard method. Chlorogenic acid, quercetin, phloroglucinol, rutin, mandelic acid and hydroxy benzoic acid were detected at retention times 6.005, 10.062, 22.623, 30.597, 35.490 and 36.211 in crude extract and different fractions. The ethyl acetate fraction was rich in the targeted compounds and was therefore subjected to column isolation. The HPLC chromatogram of isolated compounds showed single peak at specified retention times which confirms their isolation in pure state. The isolated compounds were then characterized by FTIR and NMR spectrophotometric techniques. CONCLUSION The Aesculus indica fruit extracts showed antioxidant and anticholine esterase inhibitory potentials. Two bioactive compounds were isolated in the pure form ethyl acetate fraction. From results it was concluded that the fruit of this plant could be used to minimize oxidative stress caused by reactive oxygen species.
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Affiliation(s)
- Muhammad Zahoor
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower KPK Pakistan
| | - Sadaf Shafiq
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower KPK Pakistan
| | - Habib Ullah
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower KPK Pakistan
| | - Abdul Sadiq
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower KPK Pakistan
| | - Farhat Ullah
- Department of Chemistry, University of Malakand, Chakdara, Dir Lower KPK Pakistan
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Sesquiterpenoids from the root of Panax Ginseng protect CCl 4 –induced acute liver injury by anti-inflammatory and anti-oxidative capabilities in mice. Biomed Pharmacother 2018; 102:412-419. [DOI: 10.1016/j.biopha.2018.02.041] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 02/11/2018] [Accepted: 02/13/2018] [Indexed: 01/27/2023] Open
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Laib I, Barkat M. Optimization of Conditions for Extraction of Polyphenols and the Determination of the Impact of Cooking on Total Polyphenolic, Antioxidant, and Anticholinesterase Activities of Potato. Foods 2018. [PMID: 29522482 PMCID: PMC5867551 DOI: 10.3390/foods7030036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
In this work we optimized the cooking and extraction conditions for obtaining high yields of total polyphenols from potato and studied the effect of three domestic methods of cooking on total phenols, antioxidant activity, and anticholinesterase activities. The optimization of the experiment was carried out by the experimental designs. The extraction of the polyphenols was carried out by maceration and ultrasonication. Determination of the polyphenols was performed by using the Folin-Ciocalteau reagent method. The antioxidant activity was evaluated by three methods: 1,1-diphenyl-2-picryl-hydrazyl (DPPH), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS), and CUPRAC(Cupric reducing antioxidant capacity), the anticholinesterase activity was evaluated by the method of Elmann. The optimum of total phenolic obtained was: 4.668 × 104, 1.406 × 104, 3357.009, 16,208.99 µg Gallic Acid Equivalent (GAE)/g of dry extract for crude potato, steamed potatoes, in boiling water, and by microwave, respectively. The three modes of cooking cause a decrease in the total polyphenol contents, antioxidant and anticholinesterase activities.
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Affiliation(s)
- Imen Laib
- Laboratoire BIOQUAL, Institut de la Nutrition, de l'Alimentation et des Technologies Agro-Alimentaires (I.N.A.T.A.A.), Université Frères Mentouri-Constantine 1, Route de Ain El-Bey, 25000 Constantine, Algeria.
| | - Malika Barkat
- Laboratoire BIOQUAL, Institut de la Nutrition, de l'Alimentation et des Technologies Agro-Alimentaires (I.N.A.T.A.A.), Université Frères Mentouri-Constantine 1, Route de Ain El-Bey, 25000 Constantine, Algeria.
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50
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Analysis of the Phytochemistry and Bioactivity of the Genus Polygonum of Polygonaceae. DIGITAL CHINESE MEDICINE 2018. [DOI: 10.1016/s2589-3777(19)30005-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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