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Zhao N, Wang J, Huang S, Zhang J, Bao J, Ni H, Gao X, Zhang C. The landscape of programmed cell death-related lncRNAs in Alzheimer's disease and Parkinson's disease. Apoptosis 2024:10.1007/s10495-024-01984-z. [PMID: 38853201 DOI: 10.1007/s10495-024-01984-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2024] [Indexed: 06/11/2024]
Abstract
This study delivers a thorough analysis of long non-coding RNAs (lncRNAs) in regulating programmed cell death (PCD), vital for neurodegenerative diseases like Alzheimer's disease (AD) and Parkinson's disease (PD). We propose a new framework PCDLnc, and identified 20 significant lncRNAs, including HEIH, SNHG15, and SNHG5, associated with PCD gene sets, which were known for roles in proliferation and apoptosis in neurodegenerative diseases. By using GREAT software, we identified regulatory functions of top lncRNAs in different neurodegenerative diseases. Moreover, lncRNAs cis-regulated mRNAs linked to neurodegeneration, including JAK2, AKT1, EGFR, CDC42, SNCA, and ADIPOQ, highlighting their therapeutic potential in neurodegenerative diseases. A further exploration into the differential expression of mRNA identified by PCDLnc revealed a role in apoptosis, ferroptosis and autophagy. Additionally, protein-protein interaction (PPI) network analysis exposed abnormal interactions among key genes, despite their consistent expression levels between disease and normal samples. The randomforest model effectively distinguished between disease samples, indicating a high level of accuracy. Shared gene subsets in AD and PD might serve as potential biomarkers, along with disease-specific gene sets. Besides, we also found the strong relationship between AD and immune infiltration. This research highlights the role of lncRNAs and their associated genes in PCD in neurodegenerative diseases, offering potential therapeutic targets and diagnostic markers for future study and clinical application.
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Affiliation(s)
- Ning Zhao
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Junyi Wang
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Shan Huang
- The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
| | - Jingyu Zhang
- The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
| | - Jin Bao
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Haisen Ni
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Xinhang Gao
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Chunlong Zhang
- College of Computer and Control Engineering, Northeast Forestry University, Harbin, Heilongjiang, China.
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Kongsung S, Inthachat W, Chantong B, Suttisansanee U, On-Nom N, Chupeerach C, Thangsiri S, Pitchakarn P, Temviriyanukul P. Box-Behnken Design-Based Optimization of Phytochemical Extraction from Diplazium esculentum (Retz.) Sw. Associated with Its Antioxidant and Anti-Alzheimer's Properties. Molecules 2024; 29:2204. [PMID: 38792065 PMCID: PMC11124457 DOI: 10.3390/molecules29102204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
A previous study reported that the ethanolic extract of the edible fern, Diplazium esculentum (Retz.) Sw. (DE), obtained from a non-optimized extraction condition exhibited anti-Alzheimer's disease (AD) properties through the inhibition of a rate-limiting enzyme in amyloid peptide formation, β-secretase-1 (BACE-1). Nevertheless, a non-optimized or suboptimal extraction may lead to several issues, such as a reduction in extraction efficiency and increased time and plant materials. In this study, extraction of the DE was optimized to obtain appropriate BACE-1 inhibition using a Box-Behnken design (BBD) and response surface methodology (RSM). Data revealed that the optimal extraction condition was 70% (v/v) aqueous ethanol, 50 min extraction time, 30 °C extraction temperature, and 1:30 g/mL solid/liquid ratio, giving BACE-1 inhibition at 56.33%. In addition, the extract also exhibited significant antioxidant activities compared to the non-optimized extraction. Metabolomic phytochemical profiles and targeted phytochemical analyses showed that kaempferol, quercetin, and their derivatives as well as rosmarinic acid were abundant in the extract. The optimized DE extract also acted synergistically with donepezil, an AD drug suppressing BACE-1 activities. Data received from Drosophila-expressing human amyloid precursor proteins (APPs) and BACE-1, representing the amyloid hypothesis, showed that the optimized DE extract penetrated the fly brains, suppressed BACE-1 activities, and improved locomotor functions. The extract quenched the expression of glutathione S transferase D1 (GSTD1), inositol-requiring enzyme (IRE-1), and molecular chaperone-binding immunoglobulin (Bip), while donepezil suppressed these genes and other genes involved in antioxidant and endoplasmic reticulum (ER) stress response, including superoxide dismutase type 1 (SOD1), activating transcription factor 6 (ATF-6), and protein kinase R-like endoplasmic reticulum kinase (PERK). To sum up, the optimized extraction condition reduced extraction time while resulting in higher phytochemicals, antioxidants, and BACE-1 inhibitors.
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Affiliation(s)
- Sirawit Kongsung
- Master of Science Program in Toxicology and Nutrition for Food Safety, Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand;
| | - Woorawee Inthachat
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
| | - Boonrat Chantong
- Department of Pre-Clinical and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand;
| | - Uthaiwan Suttisansanee
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
| | - Nattira On-Nom
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
| | - Chaowanee Chupeerach
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
| | - Sirinapa Thangsiri
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
| | - Pornsiri Pitchakarn
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Piya Temviriyanukul
- Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand; (W.I.); (U.S.); (N.O.-N.); (C.C.); (S.T.)
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Kim S, Yoon H, Park SK. Butein Increases Resistance to Oxidative Stress and Lifespan with Positive Effects on the Risk of Age-Related Diseases in Caenorhabditis elegans. Antioxidants (Basel) 2024; 13:155. [PMID: 38397753 PMCID: PMC10886231 DOI: 10.3390/antiox13020155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/21/2024] [Accepted: 01/24/2024] [Indexed: 02/25/2024] Open
Abstract
Butein is a flavonoid found in many plants, including dahlia, butea, and coreopsis, and has both antioxidant and sirtuin-activating activities. In light of the postulated role of free radicals in aging, we examined the effects of butein on aging and on genetic or nutritional models of age-related diseases in Caenorhabditis elegans. Butein showed radical scavenging activity and increased resistance to oxidative stress in Caenorhabditis elegans. The mean lifespan of Caenorhabditis elegans was significantly increased by butein, from 22.7 days in the untreated control to 25.0 days in the butein-treated group. However, the lifespan-extending effect of butein was accompanied by reduced production of progeny as a trade-off. Moreover, the age-related decline in motility was delayed by butein supplementation. Genetic analysis showed that the lifespan-extending effect of butein required the autophagic protein BEC-1 and the transcription factor DAF-16 to regulate stress response and aging. At the genetic level, expression of the DAF-16 downstream target genes hsp-16.2 and sod-3 was induced in butein-treated worms. Butein additionally exhibited a preventive effect in models of age-related diseases. In an Alzheimer's disease model, butein treatment significantly delayed the paralysis caused by accumulation of amyloid-beta in muscle, which requires SKN-1, not DAF-16. In a high-glucose-diet model of diabetes mellitus, butein markedly improved survival, requiring both SKN-1 and DAF-16. In a Parkinson's disease model, dopaminergic neurodegeneration was completely inhibited by butein supplementation and the accumulation of α-synuclein was significantly reduced. These findings suggest the use of butein as a novel nutraceutical compound for aging and age-related diseases.
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Affiliation(s)
- Seona Kim
- Department of Medical Sciences, General Graduate School, Soonchunhyang University, 22 Soonchunhyang-ro, Asan 31538, Republic of Korea
| | - Hyemin Yoon
- Department of Medical Biotechnology, Soonchunhyang University, 22 Soonchunhyang-ro, Asan 31538, Republic of Korea
| | - Sang-Kyu Park
- Department of Medical Sciences, General Graduate School, Soonchunhyang University, 22 Soonchunhyang-ro, Asan 31538, Republic of Korea
- Department of Medical Biotechnology, Soonchunhyang University, 22 Soonchunhyang-ro, Asan 31538, Republic of Korea
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Pavlović N, Milošević Sopta N, Mitrović D, Zaklan D, Tomas Petrović A, Stilinović N, Vukmirović S. Principal Component Analysis (PCA) of Molecular Descriptors for Improving Permeation through the Blood-Brain Barrier of Quercetin Analogues. Int J Mol Sci 2023; 25:192. [PMID: 38203364 PMCID: PMC10778702 DOI: 10.3390/ijms25010192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/13/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
Despite its beneficial pharmacological effects in the brain, partly by modulating inositol phosphate multikinase (IPMK) activity, the therapeutic use of quercetin is limited due to its poor solubility, low oral bioavailability, and low permeability through the blood-brain barrier (BBB). We aimed to identify quercetin analogues with improved BBB permeability and preserved binding affinities towards IPMK and to identify the molecular characteristics required for them to permeate the BBB. Binding affinities of quercetin analogues towards IPMK were determined by molecular docking. Principal component analysis (PCA) was applied to identify the molecular descriptors contributing to efficient permeation through the BBB. Among 34 quercetin analogues, 19 compounds were found to form more stable complexes with IPMK, and the vast majority were found to be more lipophilic than quercetin. Using two distinct in silico techniques, insufficient BBB permeation was determined for all quercetin analogues. However, using the PCA method, the descriptors related to intrinsic solubility and lipophilicity (logP) were identified as mainly responsible for clustering four quercetin analogues (trihydroxyflavones) with the highest BBB permeability. The application of PCA revealed that quercetin analogues could be classified with respect to their structural characteristics, which may be utilized in further analogue syntheses and lead optimization of BBB-penetrating IPMK modulators as neuroprotective agents.
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Affiliation(s)
- Nebojša Pavlović
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
| | | | - Darko Mitrović
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
- Accelsiors CRO, Háros Street 103, 1222 Budapest, Hungary;
| | - Dragana Zaklan
- Department of Pharmacy, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (D.M.); (D.Z.)
| | - Ana Tomas Petrović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
| | - Nebojša Stilinović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
| | - Saša Vukmirović
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; (A.T.P.); (N.S.); (S.V.)
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Jiang Y, Tang X, Deng P, Jiang C, He Y, Hao D, Yang H. The Neuroprotective Role of Fisetin in Different Neurological Diseases: a Systematic Review. Mol Neurobiol 2023; 60:6383-6394. [PMID: 37453993 DOI: 10.1007/s12035-023-03469-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023]
Abstract
Neurological diseases place a substantial burden on public health and have a serious impact on the quality of life of patients. Despite the multifaceted pathological process involved in the occurrence and development of these neurological diseases, each disease has its own unique pathological characteristics and underlying molecular mechanisms which trigger their onset. Thus, it is unlikely to achieve effective treatment of neurological diseases by means of a single approach. To this end, we reason that it is pivotal to seek an efficient strategy that implements multitherapeutic targeting and addresses the multifaceted pathological process to overcome the complex issues related to neural dysfunction. In recent years, natural medicinal plant-derived monomers have received extensive attention as new neuroprotective agents for treatment of neurological disorders. Fisetin, a flavonoid, has emerged as a novel potential molecule that enhances neural protection and reverses cognitive abnormalities. The neuroprotective effects of fisetin are attributed to its multifaceted biological activity and multiple therapeutic mechanisms associated with different neurological disorders. In this review article, we summarize recent research progression regarding the pharmacological effects of fisetin in treating several neurological diseases and the potential mechanisms.
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Affiliation(s)
- Yizhen Jiang
- Translational Medicine Center, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
- Basic Medical school Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, China
| | - Xiangwen Tang
- Basic Medical school Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, China
| | - Peng Deng
- Basic Medical school Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, China
| | - Chao Jiang
- Translational Medicine Center, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Yuqing He
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Dingjun Hao
- Department of Spine Surgery, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Hao Yang
- Translational Medicine Center, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, 710054, China.
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Tang X, Deng P, Jiang Y, Zhang L, He Y, Yang H. An Overview of Recent Advances in the Neuroprotective Potentials of Fisetin against Diverse Insults in Neurological Diseases and the Underlying Signaling Pathways. Biomedicines 2023; 11:2878. [PMID: 38001882 PMCID: PMC10669030 DOI: 10.3390/biomedicines11112878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/18/2023] [Accepted: 10/22/2023] [Indexed: 11/26/2023] Open
Abstract
The nervous system plays a leading role in the regulation of physiological functions and activities in the body. However, a variety of diseases related to the nervous system have a serious impact on human health. It is increasingly clear that neurological diseases are multifactorial pathological processes involving multiple cellular systems, and the onset of these diseases usually involves a diverse array of molecular mechanisms. Unfortunately, no effective therapy exists to slow down the progression or prevent the development of diseases only through the regulation of a single factor. To this end, it is pivotal to seek an ideal therapeutic approach for challenging the complicated pathological process to achieve effective treatment. In recent years, fisetin, a kind of flavonoid widely existing in fruits, vegetables and other plants, has shown numerous interesting biological activities with clinical potentials including anti-inflammatory, antioxidant and neurotrophic effects. In addition, fisetin has been reported to have diverse pharmacological properties and neuroprotective potentials against various neurological diseases. The neuroprotective effects were ascribed to its unique biological properties and multiple clinical pharmacological activities associated with the treatment of different neurological disorders. In this review, we summarize recent research progress regarding the neuroprotective potential of fisetin and the underlying signaling pathways of the treatment of several neurological diseases.
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Affiliation(s)
- Xiangwen Tang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (X.T.); (L.Z.)
- Basic Medical School Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang 712046, China; (P.D.); (Y.J.)
| | - Peng Deng
- Basic Medical School Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang 712046, China; (P.D.); (Y.J.)
| | - Yizhen Jiang
- Basic Medical School Academy, Shaanxi University of Traditional Chinese Medicine, Xianyang 712046, China; (P.D.); (Y.J.)
| | - Lingling Zhang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (X.T.); (L.Z.)
| | - Yuqing He
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China;
| | - Hao Yang
- Translational Medicine Center, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (X.T.); (L.Z.)
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Sharma A, Singh AK. Molecular mechanism of caloric restriction mimetics-mediated neuroprotection of age-related neurodegenerative diseases: an emerging therapeutic approach. Biogerontology 2023; 24:679-708. [PMID: 37428308 DOI: 10.1007/s10522-023-10045-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 06/10/2023] [Indexed: 07/11/2023]
Abstract
Aging-induced neurodegenerative diseases (NDs) are significantly increasing health problem worldwide. It has been well documented that oxidative stress is one of the potential causes of aging and age-related NDs. There are no drugs for the treatment of NDs, therefore there is an immediate necessity for the development of strategies/treatments either to prevent or cure age-related NDs. Caloric restriction (CR) and intermittent fasting have been considered as effective strategies in increasing the healthspan and lifespan, but it is difficult to adhere to these routines strictly, which has led to the development of calorie restriction mimetics (CRMs). CRMs are natural compounds that provide similar molecular and biochemical effects of CR, and activate autophagy process. CRMs have been reported to regulate redox signaling by enhancing the antioxidant defense systems through activation of the Nrf2 pathway, and inhibiting ROS generation through attenuation of mitochondrial dysfunction. Moreover, CRMs also regulate redox-sensitive signaling pathways such as the PI3K/Akt and MAPK pathways to promote neuronal cell survival. Here, we discuss the neuroprotective effects of various CRMs at molecular and cellular levels during aging of the brain. The CRMs are envisaged to become a cornerstone of the pharmaceutical arsenal against aging and age-related pathologies.
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Affiliation(s)
- Apoorv Sharma
- Amity Institute of Neuropsychology and Neurosciences, Amity University Uttar Pradesh, Noida, 201313, India
| | - Abhishek Kumar Singh
- Amity Institute of Neuropsychology and Neurosciences, Amity University Uttar Pradesh, Noida, 201313, India.
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Effects of Fisetin, a Plant-Derived Flavonoid, on Response to Oxidative Stress, Aging, and Age-Related Diseases in Caenorhabditis elegans. Pharmaceuticals (Basel) 2022; 15:ph15121528. [PMID: 36558979 PMCID: PMC9786162 DOI: 10.3390/ph15121528] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Fisetin (3,3',4',7-tetrahydroxyflavone), a flavonoid abundant in various fruits and vegetables, including apple, strawberry, and onion, shows several beneficial effects such as anti-oxidant, anti-inflammatory, and anti-tumor effects. The free radical theory of aging suggests that age-related accumulation of oxidative damage is the major cause of aging and that decreasing cellular oxidative stress can regulate aging. Here, we investigated the effects of dietary supplementation with fisetin on the stress response, aging, and age-related diseases. Fisetin reduced the cellular ROS levels and increased the resistance to oxidative stress. However, the response to UV irradiation was not affected by fisetin. Both the mean and maximum lifespans were significantly extended by fisetin; lifespan extension by fisetin was accompanied by reduced fertility as a trade-off. Age-related decline in motility was also delayed by supplementation with fisetin. Amyloid beta-induced toxicity was markedly decreased by fisetin, which required DAF-16 and SKN-1. Reduced motility induced by a high-glucose diet was completely recovered by supplementation with fisetin, which was dependent on SKN-1. Using a Parkinson's disease model, we showed that degeneration of dopaminergic neurons was significantly inhibited by treatment with fisetin. Genetic analysis revealed that lifespan extension by fisetin was mediated by DAF-16-induced stress response and autophagy. These findings support the free radical theory of aging and suggest that fisetin can be a strong candidate for use in novel anti-aging anti-oxidant nutraceuticals.
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Rahim MA, Umar M, Habib A, Imran M, Khalid W, Lima CMG, Shoukat A, Itrat N, Nazir A, Ejaz A, Zafar A, Awuchi CG, Sharma R, Santana RF, Emran TB. Photochemistry, Functional Properties, Food Applications, and Health Prospective of Black Rice. J CHEM-NY 2022; 2022:1-21. [DOI: 10.1155/2022/2755084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
This review investigates black rice’s photochemistry, functional properties, food applications, and health prospects. There are different varieties of black rice available in the world. The origins of this product can be traced back to Asian countries. This rice is also known as prohibited rice, emperor’s rice, and royal’s rice. Black rice is composed of different nutrients including fiber, protein, carbohydrates, potassium, and vitamin B complex. It contains an antioxidant called anthocyanin and tocopherols. Antioxidants are found mostly in foods that are black or dark purple. Due to its nutritious density, high fiber level, and high antioxidant content, black rice is a good alternative to white and brown rice. Utilizing black rice in various foods can enhance the nutritional value of food and be transformed into functional food items. Many noncommunicable diseases (NCDs) can be prevented by eating black rice daily, including cancer cells, atherosclerosis, hypertension, diabetes, osteoporosis, asthma, digestive health, and stroke risk. This review aim was to discuss the role of nutritional and functional properties of black rice in the formation of functional food against different noncommunicable diseases.
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Affiliation(s)
- Muhammad Abdul Rahim
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | - Maryam Umar
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | - Ayesha Habib
- Department of Nutritional Sciences, Faculty of Medical Sciences, Government College University Faisalabad, Faisalabad, Punjab, Pakistan
| | - Muhammad Imran
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | - Waseem Khalid
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | | | - Aurbab Shoukat
- National Institute of Food Science & Technology, University of Agriculture, Faisalabad, Pakistan
| | - Nizwa Itrat
- Department of Nutritional Sciences, Faculty of Medical Sciences, Government College University Faisalabad, Faisalabad, Punjab, Pakistan
| | - Anum Nazir
- Department of Nutrition and Dietetics, University of Faisalabad, Faisalabad, Punjab, Pakistan
| | - Afaf Ejaz
- Department of Food Science, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | - Amna Zafar
- Department of Home Economics, Faculty of Life Sciences, Government College University, Faisalabad, Punjab, Pakistan
| | - Chinaza Godswill Awuchi
- School of Natural and Applied Sciences, Kampala International University, Box 20000 Kansanga, Kampala, Uganda
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | | | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
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10
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Hassan SSU, Samanta S, Dash R, Karpiński TM, Habibi E, Sadiq A, Ahmadi A, Bungau S. The neuroprotective effects of fisetin, a natural flavonoid in neurodegenerative diseases: Focus on the role of oxidative stress. Front Pharmacol 2022; 13:1015835. [PMID: 36299900 PMCID: PMC9589363 DOI: 10.3389/fphar.2022.1015835] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/08/2022] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress (OS) disrupts the chemical integrity of macromolecules and increases the risk of neurodegenerative diseases. Fisetin is a flavonoid that exhibits potent antioxidant properties and protects the cells against OS. We have viewed the NCBI database, PubMed, Science Direct (Elsevier), Springer-Nature, ResearchGate, and Google Scholar databases to search and collect relevant articles during the preparation of this review. The search keywords are OS, neurodegenerative diseases, fisetin, etc. High level of ROS in the brain tissue decreases ATP levels, and mitochondrial membrane potential and induces lipid peroxidation, chronic inflammation, DNA damage, and apoptosis. The subsequent results are various neuronal diseases. Fisetin is a polyphenolic compound, commonly present in dietary ingredients. The antioxidant properties of this flavonoid diminish oxidative stress, ROS production, neurotoxicity, neuro-inflammation, and neurological disorders. Moreover, it maintains the redox profiles, and mitochondrial functions and inhibits NO production. At the molecular level, fisetin regulates the activity of PI3K/Akt, Nrf2, NF-κB, protein kinase C, and MAPK pathways to prevent OS, inflammatory response, and cytotoxicity. The antioxidant properties of fisetin protect the neural cells from inflammation and apoptotic degeneration. Thus, it can be used in the prevention of neurodegenerative disorders.
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Affiliation(s)
- Syed Shams ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Saptadip Samanta
- Department of Physiology, Midnapore College, Midnapore, West Bengal, India
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
| | - Tomasz M. Karpiński
- Department of Medical Microbiology, Poznań University of Medical Sciences, Poznań, Poland
| | - Emran Habibi
- Department of Pharmacognosy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Amirhossein Ahmadi
- Pharmaceutical Sciences Research Centre, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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Effect of Antioxidant-Rich Moringa Leaves on Quality and Functional Properties of Strawberry Juice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8563982. [PMID: 36212970 PMCID: PMC9546718 DOI: 10.1155/2022/8563982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/26/2022]
Abstract
Moringa oleifera and strawberry are cultivated extensively worldwide and are divinely blessed with an enormous amount of nutritional and medicinal constituents, such as vitamin C, vitamin E, iron, potassium, and phenolic antioxidants that play a pivotal role in treating, confining, and preventing diabetes and many kinds of cancer. The focus of the study is to develop different samples of highly acceptable ready to serve (RTS) Moringa strawberry juice blend by underutilizing Moringa and strawberry juice in different proportions. Moringa oleifera's bitter taste and green color steeply limits its acceptability and counter this drawback utilized with strawberry juice. The physicochemical analysis of blended juice was performed to investigate the suitability and keeping quality of the juice mixture. The collected data signify that pH titratable acidity (TA) and total soluble solids (TSS) the slight modification after the inclusion of Moringa juice extract and throughout the storage. The Moringa treatment positively improved the total phenolic content (TPC), antioxidant, and vitamin C from 12 to 49.17 mg GAE/100g, 61.41 to 87.69%, and 64.03 to 86.65 mg/100 mL, respectively, but there was a slight decline in antioxidant quantity while stored under refrigerated conditions for one month. An assimilative trend was noticed in TPC and vitamin C, which collapsed from 49.17-36.32 mg GAE to 86.65-79.19 mg, respectively. In accordance with sensory analysis T 2 (90% strawberry juice and 10% Moringa extract), the juice blend was rated best in context to flavor, color, and taste. This juice blend proved to be greatly effective especially for children suffering from malnutrition as well as women to counter with its appreciable number of nutritional constituents.
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12
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Islam F, Mitra S, Emran TB, Khan Z, Nath N, Das R, Sharma R, Awadh AAA, Park MN, Kim B. Natural Small Molecules in Gastrointestinal Tract and Associated Cancers: Molecular Insights and Targeted Therapies. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175686. [PMID: 36080453 PMCID: PMC9457641 DOI: 10.3390/molecules27175686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 08/24/2022] [Accepted: 08/29/2022] [Indexed: 12/22/2022]
Abstract
Gastric cancer is one of the most common cancers of the gastrointestinal tract. Although surgery is the primary treatment, serious maladies that dissipate to other parts of the body may require chemotherapy. As there is no effective procedure to treat stomach cancer, natural small molecules are a current focus of research interest for the development of better therapeutics. Chemotherapy is usually used as a last resort for people with advanced stomach cancer. Anti-colon cancer chemotherapy has become increasingly effective due to drug resistance and sensitivity across a wide spectrum of drugs. Naturally-occurring substances have been widely acknowledged as an important project for discovering innovative medications, and many therapeutic pharmaceuticals are made from natural small molecules. Although the beneficial effects of natural products are as yet unknown, emerging data suggest that several natural small molecules could suppress the progression of stomach cancer. Therefore, the underlying mechanism of natural small molecules for pathways that are directly involved in the pathogenesis of cancerous diseases is reviewed in this article. Chemotherapy and molecularly-targeted drugs can provide hope to colon cancer patients. New discoveries could help in the fight against cancer, and future stomach cancer therapies will probably include molecularly formulated drugs.
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Affiliation(s)
- Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Correspondence: (T.B.E.); (B.K.)
| | - Zidan Khan
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Nikhil Nath
- Department of Pharmacy, International Islamic University Chittagong, Chittagong 4318, Bangladesh
| | - Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Ahmed Abdullah Al Awadh
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, P.O. Box 1988, Najran 61441, Saudi Arabia
| | - Moon Nyeo Park
- Department of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 05254, Korea
| | - Bonglee Kim
- Department of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 05254, Korea
- Correspondence: (T.B.E.); (B.K.)
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13
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Khan Z, Nath N, Rauf A, Emran TB, Mitra S, Islam F, Chandran D, Barua J, Khandaker MU, Idris AM, Wilairatana P, Thiruvengadam M. Multifunctional roles and pharmacological potential of β-sitosterol: Emerging evidence toward clinical applications. Chem Biol Interact 2022; 365:110117. [PMID: 35995256 DOI: 10.1016/j.cbi.2022.110117] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/12/2022] [Accepted: 08/16/2022] [Indexed: 12/17/2022]
Abstract
Currently, available therapeutic medications are both costly as well as not entirely promising in terms of potency. So, new candidates from natural resources are of research interest to find new alternative therapeutics. A well-known combination is a β-sitosterol, a plant-derived nutrient with anticancer properties against breast, prostate, colon, lung, stomach, and leukemia. Studies have shown that β-sitosterol interferes with multiple cell signaling pathways, including cell cycle, apoptosis, proliferation, survival, invasion, angiogenesis, metastasis, anti-inflammatory, anticancer, hepatoprotective, antioxidant, cardioprotective, and antidiabetic effects have been discovered during pharmacological screening without significant toxicity. The pharmacokinetic profile of β-sitosterol has also been extensively investigated. However, a comprehensive review of the pharmacology, phytochemistry and analytical methods of β-sitosterol is desired. Because β-sitosterol is a significant component of most plant materials, humans use it for various reasons, and numerous β-sitosterol-containing products have been commercialized. To offset the low efficacy of β-sitosterol, designing β-sitosterol delivery for "cancer cell-specific" therapy holds great potential. Delivery of β-sitosterol via liposomes is a demonstration that has shown great promise. But further research has not progressed on the drug delivery of β-sitosterol or how it can enhance β-sitosterol mediated anti-inflammatory activity, thus making β-sitosterol an orphan nutraceutical. Therefore, extensive research on β-sitosterol as an anticancer nutraceutical is recommended.
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Affiliation(s)
- Zidan Khan
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, 4318, Bangladesh
| | - Nikhil Nath
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, 4318, Bangladesh
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar, 23430, Khyber Pakhtunkhwa, Pakistan.
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4381, Bangladesh; Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh.
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Deepak Chandran
- Department of Veterinary Sciences and Animal Husbandry, Amrita School of Agricultural Sciences, Amrita Vishwa Vidyapeetham University, Coimbatore, Tamil Nadu, 642109, India
| | - Jackie Barua
- Department of Biology, University of Louisiana at Lafayette, 410 East Saint Mary Boulevard, Lafayette, LA, 70503, USA
| | - Mayeen Uddin Khandaker
- Centre for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha, 62529, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62529, Saudi Arabia
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand
| | - Muthu Thiruvengadam
- Department of Crop Science, College of Sanghuh Life Sciences, Konkuk University, Seoul, 05029, South Korea; Department of Microbiology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600077, India.
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14
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Shaikh IA, Muddapur UM, C K, Badiger S, Kulkarni M, Mahnashi MH, Alshamrani SA, Huneif MA, More SS, Khan AA, Iqubal SMS. In Silico Molecular Docking and Simulation Studies of Protein HBx Involved in the Pathogenesis of Hepatitis B Virus-HBV. Molecules 2022; 27:1513. [PMID: 35268612 PMCID: PMC8911951 DOI: 10.3390/molecules27051513] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 01/21/2023] Open
Abstract
Current drug discovery involves finding leading drug candidates for further development. New scientific approaches include molecular docking, ADMET studies, and molecular dynamic simulation to determine targets and lead compounds. Hepatitis B is a disease of concern that is a life-threatening liver infection. The protein considered for the study was HBx. The hepatitis B X-interacting protein crystal structure was obtained from the PDB database (PDB ID-3MSH). Twenty ligands were chosen from the PubChem database for further in silico studies. The present study focused on in silico molecular docking studies using iGEMDOCK. The triethylene glycol monoethyl ether derivative showed an optimum binding affinity with the molecular target HBx, with a high negative affinity binding energy of -59.02 kcal/mol. Lipinski's rule of five, Veber, and Ghose were followed in subsequent ADMET studies. Molecular dynamic simulation was performed to confirm the docking studies and to analyze the stability of the structure. In these respects, the triethylene glycol monoethyl ether derivative may be a promising molecule to prepare future hepatitis B drug candidates. Substantial research effort to find a promising drug for hepatitis B is warranted in the future.
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Affiliation(s)
- Ibrahim Ahmed Shaikh
- Department of Pharmacology, College of Pharmacy, Najran University, Najran 66462, Saudi Arabia;
| | - Uday M. Muddapur
- Department of Biotechnology, KLE Technological University, BVB Campus, Hubballi 580031, Karnataka, India; (K.C.); (S.B.); (M.K.)
| | - Krithika C
- Department of Biotechnology, KLE Technological University, BVB Campus, Hubballi 580031, Karnataka, India; (K.C.); (S.B.); (M.K.)
| | - Shrikanth Badiger
- Department of Biotechnology, KLE Technological University, BVB Campus, Hubballi 580031, Karnataka, India; (K.C.); (S.B.); (M.K.)
| | - Madhura Kulkarni
- Department of Biotechnology, KLE Technological University, BVB Campus, Hubballi 580031, Karnataka, India; (K.C.); (S.B.); (M.K.)
| | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran 66462, Saudi Arabia;
| | - Saleh A. Alshamrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 66462, Saudi Arabia;
| | - Mohammed A. Huneif
- Department of Pediatrics, College of Medicine, Najran University, Najran 66462, Saudi Arabia;
| | - Sunil S. More
- School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore 560078, Karnataka, India;
| | - Aejaz Abdullatif Khan
- Department of General Science, Ibn Sina National College for Medical Studies, Jeddah 21418, Saudi Arabia; (A.A.K.); (S.M.S.I.)
| | - S. M. Shakeel Iqubal
- Department of General Science, Ibn Sina National College for Medical Studies, Jeddah 21418, Saudi Arabia; (A.A.K.); (S.M.S.I.)
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15
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Ravula AR, Teegala SB, Kalakotla S, Pasangulapati JP, Perumal V, Boyina HK. Fisetin, potential flavonoid with multifarious targets for treating neurological disorders: An updated review. Eur J Pharmacol 2021; 910:174492. [PMID: 34516952 DOI: 10.1016/j.ejphar.2021.174492] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/04/2021] [Accepted: 09/06/2021] [Indexed: 01/06/2023]
Abstract
Neurodegenerative disorders pose a significant health burden and imprint a debilitative impact on the quality of life. Importantly, aging is intricately intertwined with the progression of these disorders, and their prevalence increases with a rise in the aging population worldwide. In recent times, fisetin emerged as one of the potential miracle molecules to address neurobehavioral and cognitive abnormalities. These effects were attributed to its actions on several macromolecules and multiple molecular mechanisms. Fisetin belongs to a class of flavonoids, which is found abundantly in several fruits and vegetables. Fisetin has manifested several health benefits in preclinical models of neurodegenerative diseases such as Alzheimer's disease, Vascular dementia, and Schizophrenia. Parkinson's disease, Amyotrophic Lateral Sclerosis, Huntington's disease, Stroke, Traumatic Brain Injury (TBI), and age-associated changes. This review aimed to evaluate the potential mechanisms and pharmacological effects of fisetin in treating several neurological diseases. This review also provides comprehensive data on up-to-date recent literature and highlights the various mechanistic pathways pertaining to fisetin's neuroprotective role.
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Affiliation(s)
- Arun Reddy Ravula
- Department of Pharmacology, School of Pharmacy, Anurag Group of Institutions (formerly Lalitha College of Pharmacy), Ghatkesar, Medchal, Hyderabad, Telangana, 500088, India; Rowan University, Graduate School of Biomedical Sciences, Stratford, New Jersey, USA
| | - Suraj Benerji Teegala
- Department of Pharmacology, School of Pharmacy, Anurag Group of Institutions (formerly Lalitha College of Pharmacy), Ghatkesar, Medchal, Hyderabad, Telangana, 500088, India
| | - Shanker Kalakotla
- Department of Pharmacognosy & Phyto-Pharmacy, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - Jagadeesh Prasad Pasangulapati
- Department of Pharmacology, School of Pharmacy, Anurag Group of Institutions (formerly Lalitha College of Pharmacy), Ghatkesar, Medchal, Hyderabad, Telangana, 500088, India; Treventis Corporation, Department of Pharmacology, Krembil Discovery Tower, 4th Floor, Suite 4KD472, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada
| | - Venkatesan Perumal
- Irma Lerma Rangel College of Pharmacy, Health Science Centre, Texas A&M University (TAMU), Texas, 77843, USA
| | - Hemanth Kumar Boyina
- Department of Pharmacology, School of Pharmacy, Anurag University (formerly Anurag Group of Institutions), Ghatkesar, Medchal, Hyderabad, Telangana, 500088, India.
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16
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Mulu A, Gajaa M, Woldekidan HB, W/Mariam JF. The impact of curcumin derived polyphenols on the structure and flexibility COVID-19 main protease binding pocket: a molecular dynamics simulation study. PeerJ 2021; 9:e11590. [PMID: 34322316 PMCID: PMC8297469 DOI: 10.7717/peerj.11590] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 05/20/2021] [Indexed: 12/30/2022] Open
Abstract
The newly occurred SARS-CoV-2 caused a leading pandemic of coronavirus disease (COVID-19). Up to now it has infected more than one hundred sixty million and killed more than three million people according to 14 May 2021 World Health Organization report. So far, different types of studies have been conducted to develop an anti-viral drug for COVID-19 with no success yet. As part of this, silico were studied to discover and introduce COVID-19 antiviral drugs and results showed that protease inhibitors could be very effective in controlling. This study aims to investigate the binding affinity of three curcumin derived polyphenols against COVID-19 the main protease (Mpro), binding pocket, and identification of important residues for interaction. In this study, molecular modeling, auto-dock coupled with molecular dynamics simulations were performed to analyze the conformational, and stability of COVID-19 binding pocket with diferuloylmethane, demethoxycurcumin, and bisdemethoxycurcumin. All three compounds have shown binding affinity −39, −89 and −169.7, respectively. Demethoxycurcumin and bisdemethoxycurcumin showed an optimum binding affinity with target molecule and these could be one of potential ligands for COVID-19 therapy. And also, COVID-19 main protease binding pocket binds with the interface region by one hydrogen bond. Moreover, the MD simulation parameters indicated that demethoxycurcumin and bisdemethoxycurcumin were stable during the simulation run. These findings can be used as a baseline to develop therapeutics with curcumin derived polyphenols against COVID-19.
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Affiliation(s)
- Aweke Mulu
- College of Applied Science, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Mulugeta Gajaa
- College of Natural and Social science, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
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17
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Lee S, Ryu H, Whang W. Development of Simultaneous Analysis Method for Multi-Compounds Content of New Shilajit Using HPLC-UV and the Cognitive Enhancing Effect: Mongolian Shilajit. Nat Prod Commun 2021. [DOI: 10.1177/1934578x211030433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Shilajit has a longstanding use as an anti-aging and memory enhancing drug. It is known to have excellent anti-bacterial effects and is believed to be effective for cognitive enhancement, but is difficult to standardize because of the lack of quality control standards. This study, for the first time, proposes a quality control standard using a simultaneous analytical method for the drug’s multi-compound content using high-performance liquid chromatography-ultraviolet detection (HPLC-UV) as an aid for the internationalization of Mongolian Shilajit. Phenolic compounds 1-6 were isolated from Mongolian Shilajit extract using bioassay-guided isolation, and the isolated compounds were evaluated for cognitive-related anti-Alzheimer’s disease (AD) activities using 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging, acetylcholinesterase (AChE), butyrylcholinesterase (BChE), β-site amyloid precursor protein-cleaving enzyme 1 (BACE1), and advanced glycation end-product (AGE) formation assays. The isolated compounds showed good effects for each activity. In addition, the isolated compounds were successfully quantified using a validated quantitative HPLC analysis method. As a result, the isolated compounds were suggested as standard marker compounds for Mongolian Shilajit. Also, we proved that the original material of Mongolian Shilajit is a lichen named Xanthoparmelia somloensis (Gyel.) Hale using HPLC-UV, ultra-high-performance liquid chromatography-electrospray ionization/hybrid linear trap-quadruple-orbitrap-high-resolution mass spectrometry (UHPLC-ESI/LTQ-HRMS).
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Affiliation(s)
- SukJin Lee
- Department of Global Innovative Drugs, Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Republic of Korea
| | - HyeSung Ryu
- Department of Global Innovative Drugs, Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Republic of Korea
| | - WanKyunn Whang
- Department of Global Innovative Drugs, Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Republic of Korea
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Guo Y, Wang L, Lu J, Jiao J, Yang Y, Zhao H, Liang Z, Zheng H. Ginsenoside Rg1 improves cognitive capability and affects the microbiota of large intestine of tree shrew model for Alzheimer's disease. Mol Med Rep 2021; 23:291. [PMID: 33649817 PMCID: PMC7930927 DOI: 10.3892/mmr.2021.11931] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 12/10/2020] [Indexed: 12/21/2022] Open
Abstract
Ginsenoside Rg1 (Rg1) is traditional Chinese medicine with neuroprotective activity. Previous studies have demonstrated that Rg1 improves Alzheimer's disease (AD) and alters gut microbiology, but its mechanism remains to be elucidated, and thus far, its use in the treatment of AD has not been satisfactory. The present study investigated the improvement effects of Rg1 and its association with the microbiota of the large intestine. Following treatment with Rg1 in AD tree shrews, the treatment group demonstrated significantly shorter escape latency and crossed a platform more frequently in a water maze test. Western blotting demonstrated that Rg1 inhibited the expression of β-secretase 1, while increasing microtubule-associated protein 2 and Fox-3 in the hippocampus. Immunohistochemical analysis revealed that Rg1 decreased the expression of amyloid β, tau phosphorylated at serine 404 and pro-apoptotic factor Bax, while increasing the expression of Bcl-2 in the hippocampus and cortex. High throughput sequencing of 16S rRNA demonstrated that Rg1 altered the microbiota abundance of the large intestine. In conclusion, Rg1 affected the expression of apoptosis proteins, possessed a neuroprotective effect and may have a close association with the microbiota of large intestine by significantly reducing the abundance of Bacteroidetes and increasing the energy requirement of tree shrews.
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Affiliation(s)
- Yuqian Guo
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Limei Wang
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Jiangli Lu
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Jianlin Jiao
- Technology Transfer Center, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Yi Yang
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Hongbin Zhao
- Department of Emergency Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650031, P.R. China
| | - Zhang Liang
- Research Management Office for Science and Technology, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
| | - Hong Zheng
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan 650500, P.R. China
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Zhang T, Liu R, Chang M, Jin Q, Zhang H, Wang X. Health benefits of 4,4-dimethyl phytosterols: an exploration beyond 4-desmethyl phytosterols. Food Funct 2020; 11:93-110. [PMID: 31804642 DOI: 10.1039/c9fo01205b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
4,4-Dimethyl phytosterols possess two methyl groups at the carbon-4 atom of the aliphatic A-ring. The methyl groups are crucial for the molecular recognition of endogenous and exogenous bioactive compounds. Phytosterols have received worldwide attention owing to their recognized health benefits. However, 4,4-dimethyl phytosterols are less appreciated. Recent research studies revealed that 4,4-dimethyl phytosterols exert numerous beneficial effects on disease prevention, and are particularly involved in the endogenous cannabinoid system (ECS). The purpose of this review is to summarize and highlight the currently available information regarding the structures and sources of 4,4-dimethyl phytosterols, and to provide detailed preclinical studies performed to evaluate their potential for treating various diseases. Future research on 4,4-dimethyl phytosterols is warranted to confirm their relationship with the ECS, and to elucidate the mechanism directly toward clinical trials.
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Affiliation(s)
- Tao Zhang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China.
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20
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Qader SW, Abdallah HH, Zahid M, Chua LS. In vitro Acetylcholinesterase inhibitory activity of polyphenolic compounds identified from Matricaria recutita. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2020. [DOI: 10.1142/s0219633620500297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Acetylcholinesterase (AChE) is a key enzyme enhancing the cognitive disorder, leading to Alzheimer’s disease, and AChE inhibition is a crucial therapeutic mechanism against it. Matricaria recutita (MR) is widely used as a herbal medicine due to its phytotherapeutic properties. For this reason, MR flower was evaluated to identify polyphenolic compounds (PC), and then each PC is examined for AChE inhibitory activity. The ultra-performance liquid chromatography-electrospray tandem mass spectrometry UPLC-ESI-MS/MS was used to detect PC, and molecular docking was performed to insight potential inhibitory activity of PC against AChE. A series of 13 PC compounds were identified in the fractions of MR plant. Docking studies revealed that the inhibitory free energy and the position of the docked compounds in the active site are favored for the active compounds complex formed between AChE and the identified PC compounds. The accurate analysis of the docking result demonstrates that Kaempferol-3-O-rutinoside (KR) and Luteolin-8-C-glucoside (orientin) (LG) are the most significant inhibitory compounds against AChE. It can be concluded that MR is a significant source of PC compounds, and KR and LG are the most promising compounds that have high-affinity binding to AChE, based on docking outcome. Further experiments are recommended to explore in vivo enzyme compound interaction and toxicity models to establish the maximum suggested dose.
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Affiliation(s)
- Suhailah Wasman Qader
- Department For Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Hassan H. Abdallah
- Department of Chemistry, College of Education, Salahaddin University, 44001 Erbil, Iraq
| | - Mstaffa Zahid
- Department of Biology, College of Education, Salahaddin University, 44001 Erbil, Iraq
| | - Lee Suan Chua
- Institute of Bioproduct Development, University Teknologi Malaysia, Johor Bahru, Johor, Malaysia
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21
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Akhmadiev NS, Galimova AM, Akhmetova VR, Khairullina VR, Galimova RA, Agletdinov EF, Ibragimov AG, Kataev VA. Molecular Docking and Preclinical Study of Five-Membered S,S-Palladaheterocycle as Hepatoprotective Agent. Adv Pharm Bull 2019; 9:674-684. [PMID: 31857974 PMCID: PMC6912183 DOI: 10.15171/apb.2019.079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 11/12/2022] Open
Abstract
Purpose: In order to investigate mechanisms underlying the hepatoprotective action of S,Spalladaheterocycle, inhibition of cytochromes P450 has been modeled by molecular docking of four palladaheterocycle stereoisomers to the active sites of an enzymatic oxidase system. To obtain a deeper insight into biochemical aspects providing a basis for the therapeutic effects of five-membered palladacycles (as mixture of stereoisomers), a number of preclinical trials has been conducted Methods: 2D and 3D structures of palladaheterocycle stereoisomers were obtained via converting into SDF files by means of software MarvinSketch. Binding of palladaheterocycle at the active sites of cytochromes P450 2E1 and P450 2C9 has been studied by molecular docking using LeadIT 2.3.2. Hepatoprotective activity of palladaheterocycle at 2.5, 25 and 250 mg/kg doses has been studied based on a model of acute intoxication by CCl4 using in vivo methods. Results: By molecular docking it was identify amino acid fragments responsible for binding with palladacyclic isomers. The tested compound is comparable, in terms of its activity to the hepatoprotective drug SAM according to the in vivo and in vitro experiments such as animal survival data, the efficiency of correction of the cytolytic syndrome, the liver excretory function, carbohydrate, protein and lipid metabolism, and the correction efficiency of the liver antitoxic function (the latter has been determined based on the results of a hexobarbital control experiment). Conclusion: Taking into account results obtained in vivo, in vitro and in silico, it can be concluded that the five-membered S,S-palladaheterocycle effectively protect the liver against acute damage caused by CCl4 , via activation of catalase and glucuronyltransferase, as well as via inhibition of the oxidative stress enzymes.
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Affiliation(s)
- Nail Salavatovich Akhmadiev
- Institute of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 Prospekt Oktyabrya, 450075 Ufa, Russia
| | | | - Vnira Rakhimovna Akhmetova
- Institute of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 Prospekt Oktyabrya, 450075 Ufa, Russia
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Sait KHW, Alam Q, Anfinan N, Al-Ghamdi O, Malik A, Noor R, Jahan F, Tarique M. Structure-based virtual screening and molecular docking for the identification of potential novel EGFRkinase inhibitors against ovarian cancer. Bioinformation 2019; 15:287-294. [PMID: 31285646 PMCID: PMC6599442 DOI: 10.6026/97320630015287] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 03/31/2019] [Indexed: 12/24/2022] Open
Abstract
Epidermal Growth Factor Receptor (EGFR) is, for the most part, deregulated and over-communicated in ovarian disease, which is legitimately connected with STAT3 enactment that prompts the collection of hostile to apoptotic occasions and along these lines, docetaxel medicate obstruction happens. As to, expanding of docetaxel medicate affectability by focusing on EGFR receptor alongside docetaxel drugs is one of the real techniques in ovarian disease treatment. In this specific circumstance, utilizing atomic recreation considers, the present examination depicted the auxiliary and pragmatic properties of IBS Database mixes as a potential inhibitor of EGFR tyrosine kinase, and furthermore ADMET had researched its Pharmacokinetic profile. As indicated by the outcomes, STOCK1N-98911, STOCK1N- 98869, and STOCK1N-98896 have appeared tremendous restricting vitality by associating with critical build ups in the dynamic site. Natural movement range forecast of these mixes indicated potential anticancer properties by demonstrating important collaboration with EGFR tyrosine kinase. Besides, the investigation is likewise valuable for further clinical based examinations and furthermore for the approval of toxicological and pharmacokinetic contemplate.
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Affiliation(s)
- Khalid Hussain Wali Sait
- Department of Obstetrics and Gynecology, Gynecology Oncology Unite, Faculty of Medicine, King Abdulaziz University, Jeddah, SaudiArabia
| | - Qamre Alam
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah. Saudi Arabia
| | - Nisrin Anfinan
- Department of Obstetrics andGynecology, Gynecology Oncology Unite, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Othman Al-Ghamdi
- Department of Biological Sciences, Faculty of Science, University of Jeddah, Kingdom of Saudi Arabia
| | - Arshi Malik
- Department of Clinical Biochemistry, College ofMedicine, King Khalid University, Abha, Saudi Arabia
| | - Rana Noor
- Department of Biochemistry, Faculty of Dentistry, Jamia Millia Islamia, JamiaNagar, New Delhi-110025, India
| | - Farheen Jahan
- Department of Biosciences Jamia Millia Islamia, Jamia Nagar, New Delhi-110025, India
| | - Mohammed Tarique
- 8Center forInterdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi-110025, India
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Evaluation of pyrrole-2,3-dicarboxylate derivatives: Synthesis, DFT analysis, molecular docking, virtual screening and in vitro anti-hepatic cancer study. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.08.049] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Arifuzzaman M, Mitra S, Jahan SI, Jakaria M, Abeda T, Absar N, Dash R. A Computational workflow for the identification of the potent inhibitor of type II secretion system traffic ATPase of Pseudomonas aeruginosa. Comput Biol Chem 2018; 76:191-201. [DOI: 10.1016/j.compbiolchem.2018.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 06/30/2018] [Accepted: 07/10/2018] [Indexed: 01/04/2023]
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Feng L, Liao YT, He JC, Xie CL, Chen SY, Fan HH, Su ZP, Wang Z. Plasma long non-coding RNA BACE1 as a novel biomarker for diagnosis of Alzheimer disease. BMC Neurol 2018; 18:4. [PMID: 29316899 PMCID: PMC5761117 DOI: 10.1186/s12883-017-1008-x] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 12/20/2017] [Indexed: 12/28/2022] Open
Abstract
Backgrounds Long non-coding RNA (LncRNA) have been reported to be involved in the pathogenesis of neurodegenerative diseases, but whether it can serve as a biomarker for Alzheimer disease (AD) is not yet known. Methods The present study selected four specific LncRNA (17A, 51A, BACE1 and BC200) as possible AD biomarker. RT-qPCR was performed to validate the LncRNA. Receiver operating characteristic curve (ROC) and area under the ROC curve (AUC) were applied to study the potential of LncRNA as a biomarker in a population of 88 AD patients and 72 control individuals. Results We found that the plasma LncRNA BACE1 level of AD patients was significantly higher than that of healthy controls (p = 0.006). Plasma level of LncRNA 17A, 51A and BC200 did not show a significant difference between two groups (p = 0.098, p = 0.204 and p = 0.232, respectively). ROC curve analysis showed that LncRNA BACE1 was the best candidate of these LncRNA (95% CI: 0.553–0.781, p = 0.003). In addition, no correlation was found for expression of these LncRNA in both control and AD groups with age or MMSE scale (p > 0.05). Conclusions Our present study compared the plasma level of four LncRNA between AD and non-AD patients, and found that the level of the BACE1 is increased in the plasma of AD patients and have a high specificity (88%) for AD, indicating BACE1 may be a potential candidate biomarker to predict AD. Electronic supplementary material The online version of this article (10.1186/s12883-017-1008-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Liang Feng
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Yu-Ting Liao
- Institute of public health management of Wenzhou Medical University, Wenzhou, Wenzhou, 325000, China
| | - Jin-Cai He
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Cheng-Long Xie
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Si-Yan Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Hui-Hui Fan
- Institute of public health management of Wenzhou Medical University, Wenzhou, Wenzhou, 325000, China
| | - Zhi-Peng Su
- Department of Neurosurgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Zhen Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
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Koirala P, Seong SH, Jung HA, Choi JS. Comparative molecular docking studies of lupeol and lupenone isolated from Pueraria lobata that inhibits BACE1: Probable remedies for Alzheimer's disease. ASIAN PAC J TROP MED 2017; 10:1117-1122. [PMID: 29268966 DOI: 10.1016/j.apjtm.2017.10.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/23/2017] [Accepted: 10/25/2017] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVE To discover lead lupane triterpenoid's potential isolated from Pueraria lobata roots against β-site amyloid precursor protein cleaving enzyme 1 (BACE1), which serve as a rate limiting step in amyloid beta (Aβ) production altering the course of Alzheimer's disease. In addition, enzyme kinetics study and molecular docking were conducted to establish the inhibition type and structure activity relationship. METHODS A systematic study of 70% ethanolic P. lobata root extract was employed to identify its BACE1 inhibitory potential. Further, BACE1 inhibitory potential of two lupane terpenoids, yielded from ethanolic extract, was assessed. In order to determine their inhibition mode, Lineweaver-Burk plots and Michaelis-Menten model for BACE1 was performed. AutoDock 4.2 program in addition determined the molecular interaction of BACE1 with isolated terpenoids. RESULTS Considering the inhibitory potential of 70% ethanolic extract of P. lobata against BACE1 (IC50 = 80.35 μg/mL), lupeol and lupenone were subsequently isolated and exhibited notable or moderate BACE1 inhibitory activity with IC50 values of 5.12 and 62.98 μmol/L, respectively, as compared to the positive control quercetin (IC50 = 21.28 μmol/L). The enzyme kinetics study enabled us to identify both compounds as competitive inhibitors, where lupeol displayed a very potent inhibition against BACE1 with low inhibition constant (Ki) value of 1.43 μmol/L, signifying greater binding affinity. In order to understand the binding mechanism and structure-activity relationship of two triterpene-based BACE1 inhibitors, we employed computer aided docking studies which evidently revealed that hydroxyl group of lupeol formed two hydrogen bonds with the ASP32 (catalytic aspartic residue) and SER35 residues of BACE1 with the binding energy of (-8.2 kcal/mol), while the ketone group of lupenone did not form any hydrogen bonds with BACE1 giving evidence for less binding affinity. These results in turn have predicted the dependence of the inhibitory activity in the presence of hydroxyl group which has provided a new basis for BACE1 blockade. CONCLUSIONS Our results have successfully explored the molecular mechanism of lupane triterpenoids via BACE1 inhibition, suggesting that lupeol in particular could be utilized as a useful therapeutic and preventive agent to mitigate Alzheimer's disease.
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Affiliation(s)
- Prashamsa Koirala
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju 54896, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea.
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Gu S, Xie R, Liu X, Shou J, Gu W, Che X. Long Coding RNA XIST Contributes to Neuronal Apoptosis through the Downregulation of AKT Phosphorylation and Is Negatively Regulated by miR-494 in Rat Spinal Cord Injury. Int J Mol Sci 2017; 18:ijms18040732. [PMID: 28368292 PMCID: PMC5412318 DOI: 10.3390/ijms18040732] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 03/17/2017] [Accepted: 03/22/2017] [Indexed: 01/16/2023] Open
Abstract
Recent evidence has suggested that long non-coding RNAs (lncRNAs) may play a significant role in the pathogenesis of several neurological diseases, including spinal cord injury (SCI). However, little is known about the role of lncRNAs in SCI. The aim of the present study was to evaluate the potential functions of lncRNAs in SCI and to identify the underlying mechanisms of action. We firstly analyzed Gene Expression Omnibus (GEO) datasets to investigate aberrantly-expressed lncRNAs which might be involved in the pathogenesis of SCI. The long non-coding RNA X-inactive specific transcript (XIST) was found to be one of the most significantly upregulated lncRNAs in the GEO dataset analysis, and is associated with apoptosis. We, therefore, selected this as a candidate lncRNA and investigated its function. We found that knockdown of lncRNA-XIST by Lv-shRNA had a prominent protective effect on SCI recovery by suppressing apoptosis through reactivation of the PI3K/AKT signaling pathway in rat spinal cord tissue. In particular, our results suggested that lncRNA-XIST may act as a competitive endogenous RNA, effectively becoming a sink for miR-494, leading to derepression of its target gene, phosphatase and tensin homolog deleted on chromosome ten (PTEN). In addition, an inverse relationship between lncRNA-XIST and miR-494 was observed in spinal cord tissues of SCI rats. Further study demonstrated that antagomiR-494 could reverse the protective effects of lncRNA-XIST knockdown on SCI rats through blocking the PTEN/PI3K/AKT signaling pathway. These results suggested that lncRNA-XIST knockdown may play an important role in limiting neuronal apoptosis in rats following SCI, and that the observed protective effects of lncRNA-XIST knockdown might have been mediated by its regulation on the phosphorylation of AKT by competitively binding miR-494. These findings have revealed, for the first time, the importance of the XIST/miR-494/PTEN/AKT signaling axis in the pathogenesis of SCI and suggest that lncRNA-XIST may be a promising molecular target for SCI therapy.
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Affiliation(s)
- Shixin Gu
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Rong Xie
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Xiaodong Liu
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Jiajun Shou
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Wentao Gu
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Xiaoming Che
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200040, China.
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Hu H, Tan CC, Tan L, Yu JT. A Mitocentric View of Alzheimer's Disease. Mol Neurobiol 2016; 54:6046-6060. [PMID: 27696116 DOI: 10.1007/s12035-016-0117-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 09/12/2016] [Indexed: 12/14/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease with an increasing morbidity, mortality, and economic cost. Plaques formed by amyloid beta peptide (Aβ) and neurofibrillary tangles formed by microtubule-associated protein tau are two main characters of AD. Though previous studies have focused on Aβ and tau and got some progressions on their toxicity mechanisms, no significantly effective treatments targeting the Aβ and tau have been found. However, it is worth noting that mounting evidences showed that mitochondrial dysfunction is an early event during the process of AD pathologic changes. What is more, these studies also showed an obvious association between mitochondrial dysfunction and Aβ/tau toxicity. Furthermore, both genetic and environmental factors may increase the oxidative stress and the mitochondria are also the sensitive target of ROS, which may form a vicious feedback between mitochondrial dysfunction and oxidative stress, eventually resulting in deficient energy, synaptic failure, and cell death. This article reviews the previous related studies from different aspects and concludes the critical roles of mitochondrial dysfunction in AD, suggesting a different route to AD therapy, which may guide the research and treatment direction.
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Affiliation(s)
- Hao Hu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
| | - Chen-Chen Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China
| | - Lan Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China.
| | - Jin-Tai Yu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, China.
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Abstract
Long noncoding RNAs (lncRNAs) are typically defined as transcripts longer than 200 nucleotides. lncRNAs can regulate gene expression at epigenetic, transcriptional, and posttranscriptional levels. Recent studies have shown that lncRNAs are involved in many neurological diseases such as epilepsy, neurodegenerative conditions, and genetic disorders. Alzheimer's disease is a neurodegenerative disease, which accounts for >80% of dementia in elderly subjects. In this review, we will highlight recent studies investigating the role of lncRNAs in Alzheimer's disease and focus on some specific lncRNAs that may underlie Alzheimer's disease pathophysiology and therefore could be potential therapeutic targets.
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Affiliation(s)
- Qiong Luo
- Department of Neurology, Jinshan Hospital
- Department of Neurology, Shanghai Medical College, Fudan University, Shanghai, People’s Republic of China
| | - Yinghui Chen
- Department of Neurology, Jinshan Hospital
- Department of Neurology, Shanghai Medical College, Fudan University, Shanghai, People’s Republic of China
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Molecular Docking and Molecular Dynamics Studies to Identify Potential OXA-10 Extended Spectrum β-Lactamase Non-hydrolysing Inhibitors for Pseudomonas aeruginosa. Cell Biochem Biophys 2016; 74:141-55. [DOI: 10.1007/s12013-016-0735-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 05/18/2016] [Indexed: 01/17/2023]
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31
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Dash R, Uddin MMN, Hosen SZ, Rahim ZB, Dinar AM, Kabir MSH, Sultan RA, Islam A, Hossain MK. Molecular docking analysis of known flavonoids as duel COX-2 inhibitors in the context of cancer. Bioinformation 2015; 11:543-9. [PMID: 26770028 PMCID: PMC4702032 DOI: 10.6026/97320630011543] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 12/15/2015] [Accepted: 12/16/2015] [Indexed: 12/16/2022] Open
Abstract
Cyclooxygenase-2 (COX-2) catalyzed synthesis of prostaglandin E2 and it associates with tumor growth, infiltration, and metastasis in preclinical experiments. Known inhibitors against COX-2 exhibit toxicity. Therefore, it is of interest to screen natural compounds like flavanoids against COX-2. Molecular docking using 12 known flavanoids against COX-2 by FlexX and of ArgusLab were performed. All compounds showed a favourable binding energy of >-10 KJ/mol in FlexX and > -8 kcal/mol in ArgusLab. However, this data requires in vitro and in vivo verification for further consideration.
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Affiliation(s)
- Raju Dash
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong-4000, Bangladesh
| | | | - S.M. Zahid Hosen
- Molecular Modeling & Drug Design Laboratory (MMDDL), Pharmacology Research
Division, Bangladesh Council of Scientific & Industrial Research (BCSIR), Chittagong-4220, Bangladesh
| | - Zahed Bin Rahim
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong-4000, Bangladesh
| | - Abu Mansur Dinar
- Quality Control Operations, Square Pharmaceutical Ltd, Bangladesh
| | | | - Ramiz Ahmed Sultan
- Department of Pharmacy, University of Chittagong, Chittagong-4331, Bangladesh
| | - Ashekul Islam
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong-4331, Bangladesh
| | - Md Kamrul Hossain
- Department of Pharmacy, University of Chittagong, Chittagong-4331, Bangladesh
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Computational Analysis and Binding Site Identification of Type III Secretion System ATPase from Pseudomonas aeruginosa. Interdiscip Sci 2015; 8:403-411. [DOI: 10.1007/s12539-015-0121-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2015] [Revised: 06/10/2015] [Accepted: 07/16/2015] [Indexed: 01/18/2023]
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Emran TB, Rahman MA, Uddin MMN, Dash R, Hossen MF, Mohiuddin M, Alam MR. Molecular docking and inhibition studies on the interactions of Bacopa monnieri's potent phytochemicals against pathogenic Staphylococcus aureus. ACTA ACUST UNITED AC 2015; 23:26. [PMID: 25884228 PMCID: PMC4405885 DOI: 10.1186/s40199-015-0106-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 03/01/2015] [Indexed: 11/23/2022]
Abstract
Background Bacopa monnieri Linn. (Plantaginaceae), a well-known medicinal plant, is widely used in traditional medicine system. It has long been used in gastrointestinal discomfort, skin diseases, epilepsy and analgesia. This research investigated the in vitro antimicrobial activity of Bacopa monnieri leaf extract against Staphylococcus aureus and the interaction of possible compounds involved in this antimicrobial action. Methods Non-edible plant parts were extracted with ethanol and evaporated in vacuo to obtain the crude extract. A zone of inhibition studies and the minimum inhibitory concentration (MIC) of plant extracts were evaluated against clinical isolates by the microbroth dilution method. Docking study was performed to analyze and identify the interactions of possible antimicrobial compounds of Bacopa monnieri in the active site of penicillin binding protein and DNA gyrase through GOLD 4.12 software. Results A zone of inhibition studies showed significant (p < 0.05) inhibition capacity of different concentrations of Bacopa monnieri’s extract against Staphylococcus aureus. The extract also displayed very remarkable minimum inhibitory concentrations (≥16 μg/ml) which was significant compared to that (≥75 μg/ml) of the reference antibiotic against the experimental strain Staphylococcus aureus. Docking studies recommended that luteolin, an existing phytochemical of Bacopa monnieri, has the highest fitness score and more specificity towards the DNA gyrase binding site rather than penicillin binding protein. Conclusions Bacopa monnieri extract and its compound luteolin have a significant antimicrobial activity against Staphylococcus aureus. Molecular binding interaction of an in silico data demonstrated that luteolin has more specificity towards the DNA gyrase binding site and could be a potent antimicrobial compound.
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Affiliation(s)
- Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4000, Bangladesh. .,Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong, 4331, Bangladesh.
| | - Md Atiar Rahman
- Department of Biochemistry and Molecular Biology, University of Chittagong, Chittagong, 4331, Bangladesh.
| | | | - Raju Dash
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4000, Bangladesh.
| | - Md Firoz Hossen
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4000, Bangladesh.
| | - Mohammad Mohiuddin
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4000, Bangladesh.
| | - Md Rashadul Alam
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4000, Bangladesh.
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