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Warerkar OD, Mudliar NH, Momin MM, Singh PK. Targeting Amyloids with Coated Nanoparticles: A Review on Potential Combinations of Nanoparticles and Bio-Compatible Coatings. Crit Rev Ther Drug Carrier Syst 2024; 41:85-119. [PMID: 37938191 DOI: 10.1615/critrevtherdrugcarriersyst.2023046209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Amyloidosis is the major cause of many neurodegenerative diseases, such as, Alzheimer's and Parkinson's where the misfolding and deposition of a previously functional protein make it inept for carrying out its function. The genesis of amyloid fibril formation and the strategies to inhibit it have been studied extensively, although some parts of this puzzle still remain unfathomable to date. Many classes of molecules have been explored as potential drugs in vitro, but their inability to work in vivo by crossing the blood-brain-barrier has made them an inadequate treatment option. In this regard, nanoparticles (NPs) have turned out to be an exciting alternative because they could overcome many drawbacks of previously studied molecules and provide advantages, such as, greater bioavailability of molecules and target-specific delivery of drugs. In this paper, we present an overview on several coated NPs which have shown promising efficiency in inhibiting fibril formation. A hundred and thirty papers published in the past two decades have been comprehensively reviewed, which majorly encompass NPs comprising different materials like gold, silver, iron-oxide, poly(lactic-co-glycolic acid), polymeric NP, etc., which are coated with various molecules of predominantly natural origin, such as different types of amino acids, peptides, curcumin, drugs, catechin, etc. We hope that this review will shed light on the advancement of symbiotic amalgamation of NPs with molecules from natural sources and will inspire further research on the tremendous therapeutic potential of these combinations for many amyloid-related diseases.
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Affiliation(s)
- Oshin D Warerkar
- SVKM's Shri C.B. Patel Research Centre, Vile Parle, Mumbai, Maharashtra 400056, India
| | - Niyati H Mudliar
- SVKM's Shri C.B. Patel Research Centre, Vile Parle, Mumbai, Maharashtra 400056, India
| | - Munira M Momin
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, Maharashtra, India; SVKM's Shri C.B. Patel Research Centre for Chemistry and Biological Sciences, Vile Parle (West), Mumbai, Maharashtra, 400056, India
| | - Prabhat K Singh
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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2
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Mechanistic Insights into the Neuroprotective Potential of Sacred Ficus Trees. Nutrients 2022; 14:nu14224731. [PMID: 36432418 PMCID: PMC9695857 DOI: 10.3390/nu14224731] [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: 09/06/2022] [Revised: 10/16/2022] [Accepted: 11/05/2022] [Indexed: 11/11/2022] Open
Abstract
Ficus religiosa (Bo tree or sacred fig) and Ficus benghalensis (Indian banyan) are of immense spiritual and therapeutic importance. Various parts of these trees have been investigated for their antioxidant, antimicrobial, anticonvulsant, antidiabetic, anti-inflammatory, analgesic, hepatoprotective, dermoprotective, and nephroprotective properties. Previous reviews of Ficus mostly discussed traditional usages, photochemistry, and pharmacological activities, though comprehensive reviews of the neuroprotective potential of these Ficus species extracts and/or their important phytocompounds are lacking. The interesting phytocompounds from these trees include many bengalenosides, carotenoids, flavonoids (leucopelargonidin-3-O-β-d-glucopyranoside, leucopelargonidin-3-O-α-l-rhamnopyranoside, lupeol, cetyl behenate, and α-amyrin acetate), flavonols (kaempferol, quercetin, myricetin), leucocyanidin, phytosterols (bergapten, bergaptol, lanosterol, β-sitosterol, stigmasterol), terpenes (α-thujene, α-pinene, β-pinene, α-terpinene, limonene, β-ocimene, β-bourbonene, β-caryophyllene, α-trans-bergamotene, α-copaene, aromadendrene, α-humulene, alloaromadendrene, germacrene, γ-cadinene, and δ-cadinene), and diverse polyphenols (tannin, wax, saponin, leucoanthocyanin), contributing significantly to their pharmacological effects, ranging from antimicrobial action to neuroprotection. This review presents extensive mechanistic insights into the neuroprotective potential, especially important phytochemicals from F. religiosa and F. benghalensis. Owing to the complex pathophysiology of neurodegenerative disorders (NDDs), the currently existing drugs merely alleviate the symptoms. Hence, bioactive compounds with potent neuroprotective effects through a multitarget approach would be of great interest in developing pharmacophores for the treatment of NDDs.
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Wu Q, Wang M, Chen W, Wang K, Wang Y. Coronarin D Attenuates MPTP-Induced Parkinson’s Disease in Mice by Inhibition of Oxidative Stress and Apoptosis. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Srivastava R, Choudhury PK, Dev SK, Rathore V. Neuroprotective effect of α-pinene self-emulsifying nanoformulation against 6-OHDA induced neurotoxicity on human SH-SY5Y cells and its in vivo validation for anti-Parkinson's effect. J Biochem Mol Toxicol 2021; 35:e22902. [PMID: 34464010 DOI: 10.1002/jbt.22902] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 08/15/2021] [Accepted: 08/20/2021] [Indexed: 11/07/2022]
Abstract
Oxidative stress (OS) is involved in the multifaceted pathogenic paradigm of neurodegenerative diseases like Parkinson's disease (PD). Monoterpenes like α-pinene (ALP) is considered to be a therapeutically potent antioxidant agent able to attenuate and scavenge various reactive oxygen species and reactive nitrogen species. The present study aimed to evaluate the in vitro and in vivo neuroprotective effect of α-pinene self-emulsifying nanoformulation (ALP-SENF) for PD. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay was done to evaluate the neurotoxic dose of the ALP-SENF; however, the neuroprotective effect was assessed by 6-hydroxydopamine (6-OHDA) induced neurotoxicity model on SH-SY5Y taking NAC (N-acetyl-l-cysteine) as standard. The in vivo anti-Parkinson's activity of the ALP-SENF was compared with that of the plain ALP suspension by using reserpine antagonism and haloperidol-induced Parkinsonism model in rats. Various behavioral tests and biochemical antioxidant enzymes were estimated. The in vitro results revealed that treatment with ALP-SENF at a concentration of 100 and 200 µM was found to show significant neuronal SH-SY5Y cell viability against 50 µM 6-OHDA. ALP-SENF treated animals have seen significant neurobehavioral improvement. Furthermore, the levels of antioxidative enzymes in biochemical test reveals a marked enhancement in the expression of antioxidant enzymes that significantly attenuated the OS induced neurodegeneration. Due to the mechanisms of their antioxidant action, it was probably due to the scavenging of free radicals and the expression of antioxidant enzymes. It also improved neurobehavioral changes induced by reserpine and haloperidol.
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Affiliation(s)
- Rajnish Srivastava
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
| | - Pratim K Choudhury
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
| | - Suresh K Dev
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
| | - Vaibhav Rathore
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, India
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Di Sotto A, Mancinelli R, Gullì M, Eufemi M, Mammola CL, Mazzanti G, Di Giacomo S. Chemopreventive Potential of Caryophyllane Sesquiterpenes: An Overview of Preliminary Evidence. Cancers (Basel) 2020; 12:E3034. [PMID: 33081075 PMCID: PMC7603190 DOI: 10.3390/cancers12103034] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 02/06/2023] Open
Abstract
Chemoprevention is referred to as a strategy to inhibit, suppress, or reverse tumor development and progression in healthy people along with high-risk subjects and oncologic patients through using pharmacological or natural substances. Numerous phytochemicals have been widely described in the literature to possess chemopreventive properties, although their clinical usefulness remains to be defined. Among them, caryophyllane sesquiterpenes are natural compounds widely occurring in nature kingdoms, especially in plants, fungi, and marine environments. Several structures, characterized by a common caryophyllane skeleton with further rearrangements, have been identified, but those isolated from plant essential oils, including β-caryophyllene, β-caryophyllene oxide, α-humulene, and isocaryophyllene, have attracted the greatest pharmacological attention. Emerging evidence has outlined a complex polypharmacological profile of caryophyllane sesquiterpenes characterized by blocking, suppressing, chemosensitizing, and cytoprotective properties, which suggests a possible usefulness of these natural substances in cancer chemoprevention for both preventive and adjuvant purposes. In the present review, the scientific knowledge about the chemopreventive properties of caryophyllane sesquiterpenes and the mechanisms involved have been collected and discussed; moreover, possible structure-activity relationships have been highlighted. Although further high-quality studies are required, the promising preclinical findings and the safe pharmacological profile encourage further studies to define a clinical usefulness of caryophyllane sesquiterpenes in primary, secondary, or tertiary chemoprevention.
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Affiliation(s)
- Antonella Di Sotto
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (M.G.); (S.D.G.)
| | - Romina Mancinelli
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (R.M.); (C.L.M.)
| | - Marco Gullì
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (M.G.); (S.D.G.)
| | - Margherita Eufemi
- Department of Biochemical Science “A. Rossi Fanelli”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy;
| | - Caterina Loredana Mammola
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (R.M.); (C.L.M.)
| | - Gabriela Mazzanti
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (M.G.); (S.D.G.)
| | - Silvia Di Giacomo
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy; (M.G.); (S.D.G.)
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6
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Lahiani A, Haham-Geula D, Lankri D, Cornell-Kennon S, Schaefer EM, Tsvelikhovsky D, Lazarovici P. Neurotropic activity and safety of methylene-cycloalkylacetate (MCA) derivative 3-(3-allyl-2-methylenecyclohexyl) propanoic acid. ACS Chem Neurosci 2020; 11:2577-2589. [PMID: 32667774 PMCID: PMC7497641 DOI: 10.1021/acschemneuro.0c00255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Polyneuropathy is a disease involving multiple peripheral nerves injuries. Axon regrowth remains the major prerequisite for plasticity, regeneration, circuit formation, and eventually functional recovery and therefore, regulation of neurite outgrowth might be a candidate for treating polyneuropathies. In a recent study, we synthesized and established the methylene-cycloalkylacetate (MCAs) pharmacophore as a lead for the development of a neurotropic drug (inducing neurite/axonal outgrowth) using the PC12 neuronal model. In the present study we extended the characterizations of the in vitro neurotropic effect of the derivative 3-(3-allyl-2-methylenecyclohexyl) propanoic acid (MCA-13) on dorsal root ganglia and spinal cord neuronal cultures and analyzed its safety properties using blood biochemistry and cell counting, acute toxicity evaluation in mice and different in vitro "off-target" pharmacological evaluations. This MCA derivative deserves further preclinical mechanistic pharmacological characterizations including therapeutic efficacy in in vivo animal models of polyneuropathies, toward development of a clinically relevant neurotropic drug.
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Affiliation(s)
- Adi Lahiani
- The Institute for Drug Research, Division of Pharmacology, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Dikla Haham-Geula
- The Institute for Drug Research, Division of Pharmacology, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - David Lankri
- The Institute for Drug Research, Division of Medicinal Chemistry, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Susan Cornell-Kennon
- AssayQuant Technologies Inc. 260 Cedar Hill Street, Marlboro, Massachusetts 01752, United States
| | - Erik M. Schaefer
- AssayQuant Technologies Inc. 260 Cedar Hill Street, Marlboro, Massachusetts 01752, United States
| | - Dmitry Tsvelikhovsky
- The Institute for Drug Research, Division of Medicinal Chemistry, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Philip Lazarovici
- The Institute for Drug Research, Division of Pharmacology, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
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7
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Perestrelo R, Silva C, Fernandes MX, Câmara JS. Prediction of Terpenoid Toxicity Based on a Quantitative Structure-Activity Relationship Model. Foods 2019; 8:E628. [PMID: 31805724 PMCID: PMC6963511 DOI: 10.3390/foods8120628] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/24/2019] [Accepted: 11/26/2019] [Indexed: 11/18/2022] Open
Abstract
Terpenoids, including monoterpenoids (C10), norisoprenoids (C13), and sesquiterpenoids (C15), constitute a large group of plant-derived naturally occurring secondary metabolites with highly diverse chemical structures. A quantitative structure-activity relationship (QSAR) model to predict terpenoid toxicity and to evaluate the influence of their chemical structures was developed in this study by assessing in real time the toxicity of 27 terpenoid standards using the Gram-negative bioluminescent Vibrio fischeri. Under the test conditions, at a concentration of 1 µM, the terpenoids showed a toxicity level lower than 5%, with the exception of geraniol, citral, (S)-citronellal, geranic acid, (±)-α-terpinyl acetate, and geranyl acetone. Moreover, the standards tested displayed a toxicity level higher than 30% at concentrations of 50-100 µM, with the exception of (+)-valencene, eucalyptol, (+)-borneol, guaiazulene, β-caryophellene, and linalool oxide. Regarding the functional group, terpenoid toxicity was observed in the following order: alcohol > aldehyde ~ ketone > ester > hydrocarbons. The CODESSA software was employed to develop QSAR models based on the correlation of terpenoid toxicity and a pool of descriptors related to each chemical structure. The QSAR models, based on t-test values, showed that terpenoid toxicity was mainly attributed to geometric (e.g., asphericity) and electronic (e.g., maximum partial charge for a carbon (C) atom (Zefirov's partial charge (PC)) descriptors. Statistically, the most significant overall correlation was the four-parameter equation with a training coefficient and test coefficient correlation higher than 0.810 and 0.535, respectively, and a square coefficient of cross-validation (Q2) higher than 0.689. According to the obtained data, the QSAR models are suitable and rapid tools to predict terpenoid toxicity in a diversity of food products.
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Affiliation(s)
- Rosa Perestrelo
- CQM, Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal;
| | - Catarina Silva
- CQM, Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal;
| | - Miguel X. Fernandes
- BioLab, Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG), Universidad de La Laguna, C/Astrofísico Francisco Sánchez 2, 38200 La Laguna, Spain;
| | - José S. Câmara
- CQM, Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal;
- Faculdade de Ciências Exatas e da Engenharia, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
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8
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Arya R, Gupta SP, Paliwal S, Kesar S, Mishra A, Prabhakar YS. QSAR and Molecular Modeling Studies on a Series of Pyrrolidine Analogs Acting as BACE-1 Inhibitors. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/1570180815666180627124422] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
β-Site amyloidal precursor protein (APP) cleavage enzyme (BACE-1) is
reported as prime cause for progession of Alzheimer’s disease (AD). It is a form of dementia characterized
by degeneration of neurones in brain. Therefore, attempts have been made to find potent
inhibitors of this enzyme.
Methods:
The paper presents an division-based 2D quantitative structure-activity relationship
(QSAR) study on a series of BACE-1 inhibitors to analyse the structural features that may be important
to increase the potency of the compounds.
Results:
The study led to predict some potential leads for the development of potent inhibitors of
BACE-1. One of the molecule with pyrrolidine and pyrrolidinone substitutions exhibited drugreceptor
interactions comparable with reference drug.
Conclusion:
The hydrogen-bond interactions between the molecules and the receptor basically
control the BACE-1 inhibition activity of the compounds.
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Affiliation(s)
- Richa Arya
- Department of Pharmacy, Banasthali Vidyapeeth, Rajasthan, India
| | | | - Sarvesh Paliwal
- Department of Pharmacy, Banasthali Vidyapeeth, Rajasthan, India
| | - Seema Kesar
- Department of Pharmacy, Banasthali Vidyapeeth, Rajasthan, India
| | - Achal Mishra
- Department of Pharmacy, Banasthali Vidyapeeth, Rajasthan, India
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Balbaa M, Awad D, Elaal AA, Mahsoub S, Moharram M, Sadek O, Rezki N, Aouad MR, Badawy METI, El Ashry ESH. Action of Thioglycosides of 1,2,4-Triazoles and Imidazoles on the Oxidative Stress and Glycosidases in Mice with Molecular Docking. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/1573413715666181212150955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background:
,2,3-Triazoles and imidazoles are important five-membered heterocyclic
scaffolds due to their extensive biological activities. These products have been an area of growing
interest to many researchers around the world because of their enormous pharmaceutical scope.
Methods:
The in vivo and in vitro enzyme inhibition of some thioglycosides encompassing 1,2,4-
triazole N1, N2, and N3 and/or imidazole moieties N4, N5, and N6. The effect on the antioxidant
enzymes (superoxide dismutase, glutathione S-transferase, glutathione peroxidase and catalase) was
investigated as well as their effect on α-glucosidase and β-glucuronidase. Molecular docking studies
were carried out to investigate the mode of the binding interaction of the compounds with α-
glucosidase and β -glucuronidase. In addition, quantitative structure-activity relationship (QSAR)
investigation was applied to find out the correlation between toxicity and physicochemical properties.
Results:
The decrease of the antioxidant status was revealed by the in vivo effect of the tested compounds.
Furthermore, the in vivo and in vitro inhibitory effects of the tested compounds were clearly
pronounced on α-glucosidase, but not β-glucuronidase. The IC50 and Ki values revealed that the thioglycoside
- based 1,2,4-triazole N3 possesses a high inhibitory action. In addition, the in vitro studies
demonstrated that the whole tested 1,2,4-triazole are potent inhibitors with a Ki magnitude of 10-6
and exhibited a competitive type inhibition. On the other hand, the thioglycosides - based imidazole
ring showed an antioxidant activity and exerted a slight in vivo stimulation of α-glucosidase and β-
glucuronidase. Molecular docking proved that the compounds exhibited binding affinity with the
active sites of α -glucosidase and β-glucuronidase (docking score ranged from -2.320 to -4.370
kcal/mol). Furthermore, QSAR study revealed that the HBD and RB were found to have an overall
significant correlation with the toxicity.
Conclusion:
These data suggest that the inhibition of α-glucosidase is accompanied by an oxidative
stress action.
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Affiliation(s)
- Mahmoud Balbaa
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Doaa Awad
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Ahmad Abd Elaal
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Shimaa Mahsoub
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Mayssaa Moharram
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Omayma Sadek
- Department of Biochemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Nadjet Rezki
- Department of Chemistry, Faculty of Science, Taibah University, Al-Madinah AlMunawarah 30002, Saudi Arabia
| | - Mohamed Reda Aouad
- Department of Chemistry, Faculty of Science, Taibah University, Al-Madinah AlMunawarah 30002, Saudi Arabia
| | - Mohamed El-Taher Ibrahim Badawy
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, 21545-El-Shatby, Alexandria University, Alexandria, Egypt
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Machado KDC, Islam MT, Ali ES, Rouf R, Uddin SJ, Dev S, Shilpi JA, Shill MC, Reza HM, Das AK, Shaw S, Mubarak MS, Mishra SK, Melo-Cavalcante AADC. A systematic review on the neuroprotective perspectives of beta-caryophyllene. Phytother Res 2018; 32:2376-2388. [DOI: 10.1002/ptr.6199] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 07/25/2018] [Accepted: 08/25/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Keylla da Conceição Machado
- Northeast Biotechnology Network (RENORBIO), Postgraduate Program in Pharmaceutical Sciences; Federal University of Piauí; Teresina Brazil
| | - Muhammad Torequl Islam
- 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
| | - Eunüs S. Ali
- Department of Product Development; Gaco Pharmaceuticals Limited; Dhaka Bangladesh
- Flinders University College of Medicine and Public Health; Bedford Park 5042 Adelaide Australia
| | - Razina Rouf
- Department of Pharmacy, Life Science Faculty; Bangabandhu Sheikh Mujibur Rahman Science and Technology University; Gopalganj Bangladesh
| | - Shaikh Jamal Uddin
- Pharmacy Discipline, Life Science School; Khulna University; Khulna Bangladesh
| | - Shrabanti Dev
- Pharmacy Discipline, Life Science School; Khulna University; Khulna Bangladesh
| | - Jamil A. Shilpi
- Pharmacy Discipline, Life Science School; Khulna University; Khulna Bangladesh
| | - Manik Chandra Shill
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Hasan Mahmud Reza
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Asish Kumar Das
- Pharmacy Discipline, Life Science School; Khulna University; Khulna Bangladesh
| | - Subrata Shaw
- Broad Institute of MIT and Harvard; 415 Main Street Cambridge MA 02142 USA
| | | | - Siddhartha Kumar Mishra
- Cancer Biology Laboratory, School of Biological Sciences (Zoology); Dr. Harisingh Gour Central University; Sagar India
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Lee MY. Essential Oils as Repellents against Arthropods. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6860271. [PMID: 30386794 PMCID: PMC6189689 DOI: 10.1155/2018/6860271] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 09/06/2018] [Indexed: 12/31/2022]
Abstract
The development of effective and safe repellents against arthropods is very important, because there are no effective vaccines against arthropod-borne viruses (arboviruses) and parasites. Arboviruses and parasites are transmitted to humans from arthropods, and mosquitoes are the most common arthropods associated with dengue, malaria, and yellow fever. Enormous efforts have been made to develop effective repellents against arthropods, and thus far synthetic repellents have been widely used. However, the use of synthetic repellents has raised several concerns in terms of environmental and human health risks and safety. Thus, plant essential oils (EOs) have been widely used as an alternative to synthetic repellents. In this review, we briefly introduce and summarize recent studies that have investigated EOs as insect repellents. Current technology and research trends to develop effective and safe repellents from plant EOs are also described in this review.
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Affiliation(s)
- Mi Young Lee
- Department of Medical Biotechnology, Soonchunhyang University, 22 Soonchunhyang–ro, Asan, Chungnam 31537, Republic of Korea
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12
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Wang G, Ma W, Du J. β-Caryophyllene (BCP) ameliorates MPP+ induced cytotoxicity. Biomed Pharmacother 2018; 103:1086-1091. [DOI: 10.1016/j.biopha.2018.03.168] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/23/2018] [Accepted: 03/28/2018] [Indexed: 11/26/2022] Open
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13
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Psidium cattleianum fruits: A review on its composition and bioactivity. Food Chem 2018; 258:95-103. [PMID: 29655760 DOI: 10.1016/j.foodchem.2018.03.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 03/02/2018] [Accepted: 03/06/2018] [Indexed: 01/19/2023]
Abstract
Psidium cattleianum Sabine, commonly known as araçá, is a Brazilian native fruit, which is very juicy, with sweet to sub acid pulp and a spicy touch. The fruit can be eaten fresh or processed into juice, jellies and ice creams. Araçás are source of vitamin C, minerals, fatty acids, polysaccharides, volatile compounds, carotenoids and phenolic compounds, which can provide nutrients and phytochemical agents with different biological functions. Different pharmacological studies demonstrate that P. cattleianum exerts antioxidant, antidiabetic, anticarcinogenic, antimicrobial, anti-inflammatory and antiaging effects. Thus, this article aims to review the chemical composition and biological effects reported for araçá fruit in the last years.
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Sathya S, Shanmuganathan B, Saranya S, Vaidevi S, Ruckmani K, Pandima Devi K. Phytol-loaded PLGA nanoparticle as a modulator of Alzheimer's toxic Aβ peptide aggregation and fibrillation associated with impaired neuronal cell function. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:1719-1730. [PMID: 29069924 DOI: 10.1080/21691401.2017.1391822] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Alzheimer's disease (AD) is an unfavourable neurological condition of the brain leading to the loss of behavioural and cognitive skills of the aging population. At present, drugs representing cholinesterase inhibitors provide lateral side effects to AD patients. Hence, there is a need for improved fabrication of drugs without side effects, for which nanoencapsulated bioactive compounds that can cross the blood-brain barrier offer new hope as novel alternative treatment strategy for AD. This study involved synthesis of phytol loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles by solvent evaporation method. Physico-chemical characterization of phytol-PLGA NPs through the field emission scanning electron microscope, dynamic laser scattering (DLS) measurement revealed that the particles were nanosize range with smooth surface and spherical morphology. Furthermore, the biocompatibility of drug/polymer ratio was investigated by power X-ray diffraction (PXRD) and Fourier-transform infrared spectroscopic (FT-IR) analysis. The in vitro drug release study showed that the phytol was released in a sustained manner. Moreover, phytol-PLGA NPs were able to disrupt amyloid aggregates, exhibit anti-cholinesterase and anti-oxidative property and are non-cytotoxic in Neuro2a cells.
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Affiliation(s)
- Sethuraman Sathya
- a Department of Biotechnology , Alagappa University , Karaikudi , India
| | | | | | - Sethuraman Vaidevi
- b National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries, Department of Pharmaceutical Technology , BIT Campus, Anna University , Tiruchirappalli , India
| | - Kandasamy Ruckmani
- b National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries, Department of Pharmaceutical Technology , BIT Campus, Anna University , Tiruchirappalli , India
| | - Kasi Pandima Devi
- a Department of Biotechnology , Alagappa University , Karaikudi , India
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Hu Y, Zeng Z, Wang B, Guo S. Trans-caryophyllene inhibits amyloid β (Aβ) oligomer-induced neuroinflammation in BV-2 microglial cells. Int Immunopharmacol 2017; 51:91-98. [DOI: 10.1016/j.intimp.2017.07.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/23/2017] [Accepted: 07/11/2017] [Indexed: 10/18/2022]
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Valorisation of softwood bark through extraction of utilizable chemicals. A review. Biotechnol Adv 2017; 35:726-750. [PMID: 28739505 DOI: 10.1016/j.biotechadv.2017.07.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/20/2017] [Accepted: 07/11/2017] [Indexed: 01/31/2023]
Abstract
Softwood bark is an important source for producing chemicals and materials as well as bioenergy. Extraction is regarded as a key technology for obtaining chemicals in general, and valorizing bark as a source of such chemicals in particular. In this paper, properties of 237 compounds identified in various studies dealing with extraction of softwood bark were described. Finally, some challenges and perspectives on the production of chemicals from bark are discussed.
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Shan J, Chen L, Lu K. Protective effects of trans-caryophyllene on maintaining osteoblast function. IUBMB Life 2016; 69:22-29. [PMID: 28026135 DOI: 10.1002/iub.1584] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 10/18/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Jinghua Shan
- Department of Anesthesia; Affiliated Hospital of Weifang Medical University; Weifang Shandong Province China
| | - Lixia Chen
- Department of Anesthesia; Affiliated Hospital of Weifang Medical University; Weifang Shandong Province China
| | - Keliang Lu
- Department of Anesthesia; Affiliated Hospital of Weifang Medical University; Weifang Shandong Province China
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Syad AN, Rajamohamed BS, Shunmugaiah KP, Kasi PD. Neuroprotective effect of the marine macroalga Gelidiella acerosa: identification of active compounds through bioactivity-guided fractionation. PHARMACEUTICAL BIOLOGY 2016; 54:2073-81. [PMID: 26933930 DOI: 10.3109/13880209.2016.1145700] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Context Gelidiella acerosa (Forsskål) Feldmann & G. Hamel (Rhodophyta-Gelidiales) is a marine red macroalga. Our previous work found that a benzene extract of G. acerosa possesses noticeable neuroprotective activity, when evaluated through in vitro and in vivo systems. Objective Bioactive-guided fractionation and identification of active compounds by column chromatography using solvents of varying polarity. Materials and methods Fractionation was done by column chromatography, antioxidant and anticholinesterase activity was assessed by DPPH and cholinesterase inhibition assays (50-200 μg/ml), compound identification was done by LC-MS analysis, the mode of interaction of active compound was analyzed through docking studies and quantification was done by high-performance thin-layer chromatography (HPTLC) analysis. Results The results suggest that fractions F9-F13 exhibited significant (p < 0.05) antioxidant and anticholinesterase activities. Hence, these fractions were pooled together and verified for neuroprotective activity. The pooled fraction was subjected to LC-MS analysis and among all the compounds, phytol was previously reported to possess excellent neuroprotective potential. Hence, the neuroprotective potential of phytol was assessed. The results suggest that phytol showed significant (p < 0.05) antioxidant activities (25-125 μg/ml) with an IC50 value of 95.27 ± 1.65 μg/ml and cholinesterase inhibitory potential (5-25 μg/ml) with IC50 values of 2.704 ± 0.07 and 5.798 ± 0.72 μg/ml for AChE and BuChE, respectively. Molecular docking studies suggest that phytol interacts with cholinesterase through the arginine residue of the enzyme. HPTLC quantification showed that about 6.266 μg of phytol was present per mg of pooled fraction. Conclusion The study suggests that phytol might act as the key compound in contributing to the neuroprotective potential of G. acerosa.
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Affiliation(s)
- Arif Nisha Syad
- a Department of Biotechnology , Alagappa University (Science Campus) , Karaikudi , Tamil Nadu , India
| | | | | | - Pandima Devi Kasi
- a Department of Biotechnology , Alagappa University (Science Campus) , Karaikudi , Tamil Nadu , India
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Tian X, Peng J, Zhong J, Yang M, Pang J, Lou J, Li M, An R, Zhang Q, Xu L, Dong Z. β-Caryophyllene protects in vitro neurovascular unit against oxygen-glucose deprivation and re-oxygenation-induced injury. J Neurochem 2016; 139:757-768. [PMID: 27565895 DOI: 10.1111/jnc.13833] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/15/2016] [Accepted: 08/18/2016] [Indexed: 01/21/2023]
Abstract
β-Caryophyllene (BCP) mediates neuroprotection in cerebral ischemic animals. The neurovascular unit (NVU) acts as an intricate network to maintain the neuronal homeostatic microenvironment. However, the effects exerted by BCP on NVU remain unclear. Therefore, we established an in vitro NVU model to investigate the effects of BCP on oxygen-glucose deprivation and re-oxygenation (OGD/R)-induced injury. This model involved the co-culture of brain microvascular endothelial cells, neurons, and astrocytes. BCP (10 μmol/L) was applied for 24 h prior to OGD/R and maintained throughout OGD/R. Blood-brain barrier (BBB) integrity and neuronal apoptosis were analyzed. BCP pre-treatment prior to the initiation of OGD/R significantly (i) decreased BBB permeability and neuronal apoptosis, (ii) mitigated oxidative stress damage and the release of inflammatory cytokines, (iii) down-regulated Bax expression, metalloproteinase-9 activity and expression, and (iv) up-regulated claudin-5, occludin, ZO-1, growth-associated protein-43 and Bcl-2 expression. Thus, BCP pre-treatment exerted multiple protective effects on NVU in the context of OGD/R-induced injury. These protective effects potentially occur via reductions in oxidative stress damage and inflammatory cytokines that induce BBB breakdown, subsequently resulting in reduced neuronal apoptosis. The NVU serves as putative therapeutic targets for cerebral ischemia, and the results of this study provide new insights for the application of BCP as a neuroprotective agent.
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Affiliation(s)
- Xiaocui Tian
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Jianhua Peng
- Department of Neurosurgery, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jianjun Zhong
- Department of Neurosurgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Mei Yang
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Jinwei Pang
- Department of Neurosurgery, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jie Lou
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Minghang Li
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Ruidi An
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Qian Zhang
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Lu Xu
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
| | - Zhi Dong
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, College of Pharmacy, Chongqing Medical University, Yuzhong District, Chongqing, China
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Javed H, Azimullah S, Haque ME, Ojha SK. Cannabinoid Type 2 (CB2) Receptors Activation Protects against Oxidative Stress and Neuroinflammation Associated Dopaminergic Neurodegeneration in Rotenone Model of Parkinson's Disease. Front Neurosci 2016; 10:321. [PMID: 27531971 PMCID: PMC4969295 DOI: 10.3389/fnins.2016.00321] [Citation(s) in RCA: 122] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Accepted: 06/27/2016] [Indexed: 01/12/2023] Open
Abstract
The cannabinoid type two receptors (CB2), an important component of the endocannabinoid system, have recently emerged as neuromodulators and therapeutic targets for neurodegenerative diseases including Parkinson's disease (PD). The downregulation of CB2 receptors has been reported in the brains of PD patients. Therefore, both the activation and the upregulation of the CB2 receptors are believed to protect against the neurodegenerative changes in PD. In the present study, we investigated the CB2 receptor-mediated neuroprotective effect of β-caryophyllene (BCP), a naturally occurring CB2 receptor agonist, in, a clinically relevant, rotenone (ROT)-induced animal model of PD. ROT (2.5 mg/kg BW) was injected intraperitoneally (i.p.) once daily for 4 weeks to induce PD in male Wistar rats. ROT injections induced a significant loss of dopaminergic (DA) neurons in the substantia nigra pars compacta (SNpc) and DA striatal fibers, following activation of glial cells (astrocytes and microglia). ROT also caused oxidative injury evidenced by the loss of antioxidant enzymes and increased nitrite levels, and induction of proinflammatory cytokines: IL-1β, IL-6 and TNF-α, as well as inflammatory mediators: NF-κB, COX-2, and iNOS. However, treatment with BCP attenuated induction of proinflammatory cytokines and inflammatory mediators in ROT-challenged rats. BCP supplementation also prevented depletion of glutathione concomitant to reduced lipid peroxidation and augmentation of antioxidant enzymes: SOD and catalase. The results were further supported by tyrosine hydroxylase immunohistochemistry, which illustrated the rescue of the DA neurons and fibers subsequent to reduced activation of glial cells. Interestingly, BCP supplementation demonstrated the potent therapeutic effects against ROT-induced neurodegeneration, which was evidenced by BCP-mediated CB2 receptor activation and the fact that, prior administration of the CB2 receptor antagonist AM630 diminished the beneficial effects of BCP. The present study suggests that BCP has the potential therapeutic efficacy to elicit significant neuroprotection by its anti-inflammatory and antioxidant activities mediated by activation of the CB2 receptors.
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Affiliation(s)
- Hayate Javed
- Departments of Biochemistry, College of Medicine and Health Sciences, United Arab Emirates University Al Ain, UAE
| | - Sheikh Azimullah
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University Al Ain, UAE
| | - M Emdadul Haque
- Departments of Biochemistry, College of Medicine and Health Sciences, United Arab Emirates University Al Ain, UAE
| | - Shreesh K Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University Al Ain, UAE
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Porres-Martínez M, González-Burgos E, Carretero ME, Gómez-Serranillos MP. In vitro neuroprotective potential of the monoterpenes α-pinene and 1,8-cineole against H2O2-induced oxidative stress in PC12 cells. ACTA ACUST UNITED AC 2016; 71:191-9. [DOI: 10.1515/znc-2014-4135] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 04/17/2016] [Indexed: 12/26/2022]
Abstract
Abstract
Oxidative stress is involved in the pathogenesis of several neurodegenerative diseases such as Alzheimer’s and Parkinson’s diseases. Natural products are considered as therapeutically useful antioxidant agents against reactive oxygen species (ROS). We have evaluated the antioxidant and protective potential of the monoterpenes 1,8-cineole and α-pinene against H2O2-induced oxidative stress in PC12 (rat pheochromocytoma) cells. Pretreatment with these monoterpenes was found to attenuate the loss of cell viability and the changes in cell morphology. Moreover, they inhibited the intracellular ROS production and markedly enhanced the expression of antioxidant enzymes including catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GR) and heme-oxygenase 1 (HO-1). In addition, they were able to decrease apoptosis as is evident from reduced capase-3 activity. The mechanisms of their antioxidant action appear to involve ROS scavenging and induction of the nuclear Nrf2 factor. This study demonstrates the potential beneficial therapeutic effect of these common monoterpenes on the oxidant/antioxidant balance in diseases of the nervous system.
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Affiliation(s)
- María Porres-Martínez
- Department of Pharmacology , Faculty of Pharmacy, University Complutense of Madrid , Spain
| | - Elena González-Burgos
- Department of Pharmacology , Faculty of Pharmacy, University Complutense of Madrid , Spain
| | - M. Emilia Carretero
- Department of Pharmacology , Faculty of Pharmacy, University Complutense of Madrid , Spain
| | - M. Pilar Gómez-Serranillos
- Department of Pharmacology , Faculty of Pharmacy, University Complutense of Madrid , Spain , Phone: +34-91-394-17-67, Fax: +34-91-394-22-76
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Ojha S, Javed H, Azimullah S, Haque ME. β-Caryophyllene, a phytocannabinoid attenuates oxidative stress, neuroinflammation, glial activation, and salvages dopaminergic neurons in a rat model of Parkinson disease. Mol Cell Biochem 2016; 418:59-70. [DOI: 10.1007/s11010-016-2733-y] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 06/08/2016] [Indexed: 12/20/2022]
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Islam MT, da Silva CB, de Alencar MVOB, Paz MFCJ, Almeida FRDC, Melo-Cavalcante AADC. Diterpenes: Advances in Neurobiological Drug Research. Phytother Res 2016; 30:915-28. [DOI: 10.1002/ptr.5609] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 02/10/2016] [Accepted: 02/20/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Md. Torequl Islam
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
- Department of Biochemistry and Pharmacology, Post-graduation Program in Pharmaceutical Science; Federal University of Piauí; 64.049-550 Teresina Brazil
- Department of Pharmacy; Southern University Bangladesh; 22-Shahid Mirza Lane (E), Academic building-II, 1st floor, 739/A, Mehedibag Road, Mehedibag-4000 Chittagong Bangladesh
| | - Claucenira Bandeira da Silva
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
| | - Marcus Vinícius Oliveira Barros de Alencar
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
- Department of Biochemistry and Pharmacology, Post-graduation Program in Pharmaceutical Science; Federal University of Piauí; 64.049-550 Teresina Brazil
| | - Márcia Fernanda Correia Jardim Paz
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
- Department of Biochemistry and Pharmacology, Post-graduation Program in Pharmaceutical Science; Federal University of Piauí; 64.049-550 Teresina Brazil
| | - Fernanda Regina de Castro Almeida
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
| | - Ana Amélia de Carvalho Melo-Cavalcante
- Northest Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology; Federal University of Piauí; 64.049-550 Teresina Brazil
- Department of Biochemistry and Pharmacology, Post-graduation Program in Pharmaceutical Science; Federal University of Piauí; 64.049-550 Teresina Brazil
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Ambrož M, Boušová I, Skarka A, Hanušová V, Králová V, Matoušková P, Szotáková B, Skálová L. The Influence of Sesquiterpenes from Myrica rubra on the Antiproliferative and Pro-Oxidative Effects of Doxorubicin and Its Accumulation in Cancer Cells. Molecules 2015; 20:15343-58. [PMID: 26307963 PMCID: PMC6331978 DOI: 10.3390/molecules200815343] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 08/06/2015] [Accepted: 08/13/2015] [Indexed: 01/05/2023] Open
Abstract
The sesquiterpenes β-caryophyllene, β-caryophyllene oxide (CAO), α-humulene (HUM), trans-nerolidol (NER), and valencene (VAL) are substantial components of the essential oil from Myrica rubra leaves which has exhibited significant antiproliferative effects in several intestinal cancer cell lines, with CaCo-2 cells being the most sensitive. The present study was designed to evaluate the effects of these sesquiterpenes on the efficacy and toxicity of the anticancer drug doxorubicin (DOX) in CaCo-2 cancer cells and in primary culture of rat hepatocytes. Our results showed that HUM, NER, VAL and CAO inhibited proliferation of CaCo-2 cancer cells but they did not affect the viability of hepatocytes. CAO, NER and VAL synergistically potentiated the efficacy of DOX in cancer cells killing. All sesquiterpenes exhibited the ability to selectively increase DOX accumulation in cancer cells and did not affect DOX concentration in hepatocytes. Additionally, CAO and VAL were able to increase the pro-oxidative effect of DOX in CaCo-2 cells. Moreover, CAO mildly ameliorated DOX toxicity in hepatocytes. Based on all results, CAO seems to be the most promising compound for further testing.
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Affiliation(s)
- Martin Ambrož
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
| | - Iva Boušová
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
| | - Adam Skarka
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
| | - Veronika Hanušová
- Department of Medical Biology and Genetics, Faculty of Medicine, Charles University in Prague, Šimkova 870, Hradec Králové CZ-500 38, Czech Republic.
| | - Věra Králová
- Department of Medical Biology and Genetics, Faculty of Medicine, Charles University in Prague, Šimkova 870, Hradec Králové CZ-500 38, Czech Republic.
| | - Petra Matoušková
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
| | - Barbora Szotáková
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
| | - Lenka Skálová
- Department of Biochemical Sciences, Faculty of Pharmacy, Charles University in Prague, Heyrovského 1203, Hradec Králové CZ-500 05, Czech Republic.
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Porres-Martínez M, González-Burgos E, Carretero ME, Gómez-Serranillos MP. Major selected monoterpenes α-pinene and 1,8-cineole found in Salvia lavandulifolia (Spanish sage) essential oil as regulators of cellular redox balance. PHARMACEUTICAL BIOLOGY 2015; 53:921-929. [PMID: 25474583 DOI: 10.3109/13880209.2014.950672] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT Salvia lavandulifolia has been employed in folk medicine for the treatment of memory and dementia problems. This specie contains numerous bioactive terpenes which may contribute to its effectiveness. OBJECTIVE To analyze the composition of essential oil of S. lavandulifolia and to investigate the potential in vitro cytoprotective and antioxidant activities of its major compounds, α-pinene and 1,8-cineole, against H2O2-induced oxidative stress in the U373-MG cell line. MATERIALS AND METHODS Chemical composition was analyzed by gas chromatography; antioxidant capacity was measured using the ORAC assay, and cytoprotective activity was evaluated using the MTT assay (for cell viability) (range of concentrations: 10-400 μM), DCFH-DA assay (for intracellular ROS generation), thiobarbituric acid reactive substances (TBARS) method (for lipid peroxidation), and spectrofometric techniques and Western blot (for enzymatic activity and protein expression, respectively) at 10 and 25 µM. RESULTS α-Pinene (18.39%) and 1,8-cineole (19.57%) were identified as major compounds in S. lavandulifolia essential oil. Pretreatments with these monoterpenes protected U373-MG cells against H2O2-induced oxidative injury by attenuating the loss of cell viability (IC50 : 79.70 µM to α-pinene and 66.23 µM to 1,8-cineole) and cell morphology, inhibiting ROS production (the most active compound was 1,8-cineole by decreasing the ROS production over 30-45% at 10 and 25 μM) and lipid peroxidation and increasing the endogenous antioxidant status (glutathione levels and CAT, SOD, GR, GPx, and HO-1 activity and protein expression). CONCLUSIONS These findings demonstrate for the first time the effects of the monoterpenes 1,8-cineole and α-pinene identified in S. lavandulifolia essential oil as regulators of cellular redox balance in astrocytes.
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Affiliation(s)
- M Porres-Martínez
- Department of Pharmacology, Faculty of Pharmacy, University Complutense of Madrid , Spain
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The Structure–Activity Relationships of Plant Secondary Metabolites with Antimicrobial, Free Radical Scavenging and Inhibitory Activity toward Selected Enzymes. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/b978-0-444-63473-3.00007-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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Granold M, Moosmann B, Staib-Lasarzik I, Arendt T, Del Rey A, Engelhard K, Behl C, Hajieva P. High membrane protein oxidation in the human cerebral cortex. Redox Biol 2014; 4:200-7. [PMID: 25600696 PMCID: PMC4803790 DOI: 10.1016/j.redox.2014.12.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 12/19/2014] [Accepted: 12/22/2014] [Indexed: 11/19/2022] Open
Abstract
Oxidative stress is thought to be one of the main mediators of neuronal damage in human neurodegenerative disease. Still, the dissection of causal relationships has turned out to be remarkably difficult. Here, we have analyzed global protein oxidation in terms of carbonylation of membrane proteins and cytoplasmic proteins in three different mammalian species: aged human cortex and cerebellum from patients with or without Alzheimer's disease, mouse cortex and cerebellum from young and old animals, and adult rat hippocampus and cortex subjected or not subjected to cerebral ischemia. Most tissues showed relatively similar levels of protein oxidation. However, human cortex was affected by severe membrane protein oxidation, while exhibiting lower than average cytoplasmic protein oxidation. In contrast, ex vivo autooxidation of murine cortical tissue primarily induced aqueous protein oxidation, while in vivo biological aging or cerebral ischemia had no major effect on brain protein oxidation. The unusually high levels of membrane protein oxidation in the human cortex were also not predicted by lipid peroxidation, as the levels of isoprostane immunoreactivity in human samples were considerably lower than in rodent tissues. Our results indicate that the aged human cortex is under steady pressure from specific and potentially detrimental membrane protein oxidation. The pronounced difference between humans, mice and rats regarding the primary site of cortical oxidation might have contributed to the unresolved difficulties in translating into therapies the wealth of data describing successful antioxidant neuroprotection in rodents. Membrane proteins from the human cerebral cortex show specific and severe oxidation. This contrasts to human cerebellum and to mouse cortex and cerebellum of any age. It also contrasts to adult rat cortex and hippocampus with or without ischemia. Lipid peroxidation is not a predictor of membrane protein oxidation. Membrane protein oxidation might be related to impending neurodegeneration.
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Affiliation(s)
- Matthias Granold
- Institute for Pathobiochemistry, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Bernd Moosmann
- Institute for Pathobiochemistry, University Medical Center of the Johannes Gutenberg University, Mainz, Germany.
| | - Irina Staib-Lasarzik
- Department of Anesthesiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Thomas Arendt
- Paul Flechsig Institute for Brain Research, University of Leipzig, Leipzig, Germany
| | - Adriana Del Rey
- Institute of Physiology and Pathophysiology, Philipps University, Marburg, Germany
| | - Kristin Engelhard
- Department of Anesthesiology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Christian Behl
- Institute for Pathobiochemistry, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Parvana Hajieva
- Institute for Pathobiochemistry, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
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Liu H, Song Z, Liao D, Zhang T, Liu F, Zhuang K, Luo K, Yang L. Neuroprotective Effects of Trans-Caryophyllene Against Kainic Acid Induced Seizure Activity and Oxidative Stress in Mice. Neurochem Res 2014; 40:118-23. [DOI: 10.1007/s11064-014-1474-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 11/03/2014] [Indexed: 11/28/2022]
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Barbosa M, Valentão P, Andrade PB. Bioactive compounds from macroalgae in the new millennium: implications for neurodegenerative diseases. Mar Drugs 2014; 12:4934-72. [PMID: 25257784 PMCID: PMC4178484 DOI: 10.3390/md12094934] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 09/05/2014] [Accepted: 09/15/2014] [Indexed: 12/14/2022] Open
Abstract
Marine environment has proven to be a rich source of structurally diverse and complex compounds exhibiting numerous interesting biological effects. Macroalgae are currently being explored as novel and sustainable sources of bioactive compounds for both pharmaceutical and nutraceutical applications. Given the increasing prevalence of different forms of dementia, researchers have been focusing their attention on the discovery and development of new compounds from macroalgae for potential application in neuroprotection. Neuroprotection involves multiple and complex mechanisms, which are deeply related. Therefore, compounds exerting neuroprotective effects through different pathways could present viable approaches in the management of neurodegenerative diseases, such as Alzheimer's and Parkinson's. In fact, several studies had already provided promising insights into the neuroprotective effects of a series of compounds isolated from different macroalgae species. This review will focus on compounds from macroalgae that exhibit neuroprotective effects and their potential application to treat and/or prevent neurodegenerative diseases.
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Affiliation(s)
- Mariana Barbosa
- REQUIMTE/Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira n° 228, 4050-313 Porto, Portugal.
| | - Patrícia Valentão
- REQUIMTE/Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira n° 228, 4050-313 Porto, Portugal.
| | - Paula B Andrade
- REQUIMTE/Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira n° 228, 4050-313 Porto, Portugal.
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Han L, Yang L, Liu B, Cheng X. Trans-caryophyllene suppresses tumor necrosis factor (TNFα)-induced inflammation in human chondrocytes. Eur Food Res Technol 2014. [DOI: 10.1007/s00217-014-2302-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Bahi A, Al Mansouri S, Al Memari E, Al Ameri M, Nurulain SM, Ojha S. β-Caryophyllene, a CB2 receptor agonist produces multiple behavioral changes relevant to anxiety and depression in mice. Physiol Behav 2014; 135:119-24. [PMID: 24930711 DOI: 10.1016/j.physbeh.2014.06.003] [Citation(s) in RCA: 161] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Revised: 05/29/2014] [Accepted: 06/04/2014] [Indexed: 11/24/2022]
Abstract
Recent evidence suggests that the cannabinoid receptor subtype 2 (CB2) is implicated in anxiety and depression disorders, although few systematic studies in laboratory animals have been reported. The aim of the current experiments was to test the effects of the CB2 receptor potent-selective agonist β-caryophyllene (BCP) in animals subjected to models of anxiolytic- and antidepressant-like effects. Therefore effects of BCP (50mg/kg) on anxiety were assessed using the elevated plus maze (EPM), open field (OF), and marble burying test (MBT). However for depression, the novelty-suppressed feeding (NSF), tail suspension test (TST), and forced swim tests (FST) were used. Results indicated that adult mice receiving BCP showed amelioration of all the parameters observed in the EPM test. Also, BCP significantly increased the time spent in the center of the arena without altering the general motor activity in the OF test. This dose was also able to decrease the number of buried marbles and time spent digging in the MBT, suggesting an anti-compulsive-like effect. In addition, the systemic administration of BCP reduced immobility time in the TST and the FST. Finally, BCP treatment decreased feeding latency in the NSF test. Most importantly, pre-administration of the CB2 receptor antagonist AM630, fully abrogated the anxiolytic and the anti-depressant effects of BCP. Taken together, these preclinical results suggest that CB2 receptors may provide alternative therapeutic targets for the treatment of anxiety and depression. The possibility that BCP may ameliorate the symptoms of these mood disorders offers exciting prospects for future studies.
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Affiliation(s)
- Amine Bahi
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates.
| | - Shamma Al Mansouri
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Elyazia Al Memari
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Mouza Al Ameri
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Syed M Nurulain
- Department of Pharmacology & Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Shreesh Ojha
- Department of Pharmacology & Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
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Paula-Freire LIG, Andersen ML, Gama VS, Molska GR, Carlini ELA. The oral administration of trans-caryophyllene attenuates acute and chronic pain in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2014; 21:356-62. [PMID: 24055516 DOI: 10.1016/j.phymed.2013.08.006] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 08/09/2013] [Indexed: 05/09/2023]
Abstract
Trans-caryophyllene is a sesquiterpene present in many medicinal plants' essential oils, such as Ocimum gratissimum and Cannabis sativa. In this study, we evaluated the antinociceptive activity of trans-caryophyllene in murine models of acute and chronic pain and the involvement of trans-caryophyllene in the opioid and endocannabinoid systems. Acute pain was determined using the hot plate test (thermal nociception) and the formalin test (inflammatory pain). The chronic constriction injury (CCI) of the sciatic nerve induced hypernociception was measured by the hot plate and von Frey tests. To elucidate the mechanism of action, mice were pre-treated with naloxone or AM630 30 min before the trans-caryophyllene treatment. Afterwards, thermal nociception was evaluated. The levels of IL-1β were measured in CCI-mice by ELISA. Trans-caryophyllene administration significantly minimized the pain in both the acute and chronic pain models. The antinociceptive effect observed during the hot plate test was reversed by naloxone and AM630, indicating the participation of both the opioid and endocannabinoid system. Trans-caryophyllene treatment also decreased the IL-1β levels. These results demonstrate that trans-caryophyllene reduced both acute and chronic pain in mice, which may be mediated through the opioid and endocannabinoid systems.
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Affiliation(s)
- L I G Paula-Freire
- Departamento de Psicobiologia, Universidade Federal de São Paulo, Brazil.
| | - M L Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo, Brazil
| | - V S Gama
- Faculdade de Farmácia, Universidade São Judas Tadeu, São Paulo, Brazil
| | - G R Molska
- Departamento de Psicobiologia, Universidade Federal de São Paulo, Brazil
| | - E L A Carlini
- Departamento de Medicina Preventiva, Universidade Federal de São Paulo, Brazil
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Guo K, Mou X, Huang J, Xiong N, Li H. Trans-Caryophyllene Suppresses Hypoxia-Induced Neuroinflammatory Responses by Inhibiting NF-κB Activation in Microglia. J Mol Neurosci 2014; 54:41-8. [DOI: 10.1007/s12031-014-0243-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Accepted: 01/15/2014] [Indexed: 12/18/2022]
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Vinholes J, Rudnitskaya A, Gonçalves P, Martel F, Coimbra MA, Rocha SM. Hepatoprotection of sesquiterpenoids: a quantitative structure-activity relationship (QSAR) approach. Food Chem 2013; 146:78-84. [PMID: 24176316 DOI: 10.1016/j.foodchem.2013.09.039] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 06/27/2013] [Accepted: 09/05/2013] [Indexed: 11/19/2022]
Abstract
The relative hepatoprotection effect of fifteen sesquiterpenoids, commonly found in plants and plant-derived foods and beverages was assessed. Endogenous lipid peroxidation (assay A) and induced lipid peroxidation (assay B) were evaluated in liver homogenates from Wistar rats by the thiobarbituric acid reactive species test. Sesquiterpenoids with different chemical structures were tested: trans,trans-farnesol, cis-nerolidol, (-)-α-bisabolol, trans-β-farnesene, germacrene D, α-humulene, β-caryophyllene, isocaryophyllene, (+)-valencene, guaiazulene, (-)-α-cedrene, (+)-aromadendrene, (-)-α-neoclovene, (-)-α-copaene, and (+)-cyclosativene. Ascorbic acid was used as a positive antioxidant control. With the exception of α-humulene, all the sesquiterpenoids under study (1mM) were effective in reducing the malonaldehyde levels in both endogenous and induced lipid peroxidation up to 35% and 70%, respectively. The 3D-QSAR models developed, relating the hepatoprotection activity with molecular properties, showed good fit (Radj(2) 0.819 and 0.972 for the assays A and B, respectively) with good prediction power (Q(2)>0.950 and SDEP<2%, for both models A and B). A network of effects associated with structural and chemical features of sesquiterpenoids such as shape, branching, symmetry, and presence of electronegative fragments, can modulate the hepatoprotective activity observed for these compounds.
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Affiliation(s)
- Juliana Vinholes
- QOPNA, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
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Screening of various sources of phytochemicals for neuroprotective activity against oxygen-glucose deprivation in vitro. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s13765-013-3108-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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36
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Chang HJ, Kim JM, Lee JC, Kim WK, Chun HS. Protective effect of β-caryophyllene, a natural bicyclic sesquiterpene, against cerebral ischemic injury. J Med Food 2013; 16:471-80. [PMID: 23734999 DOI: 10.1089/jmf.2012.2283] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
β-Caryophyllene (trans-4,11,11-trimethyl-8-methylenebicyclo[7,2,0]undec-4-ene), found in various plants, is a natural bicyclic sesquiterpene with a low toxicity. Here, we show that a single intraperitoneal injection of β-caryophyllene (10 mg/kg) significantly reduced the cortical infarct volume by 67% when given immediately before middle cerebral artery occlusion (MCAO). Neurological deficits caused by MCAO were also significantly decreased by β-caryophyllene. β-Caryophyllene treatment of cortical cells exposed to oxygen-glucose deprivation revealed a significant protection in a dose-dependent manner. However, β-caryophyllene neither suppressed N-methyl-D-aspartate excitotoxicity in cultured cortical cells nor markedly decreased the oxidative stress measured in the cellular or acellular systems. By contrast, treatments with β-caryophyllene dose-dependently inhibited mRNA expression of inducible nitric oxide synthetase, interleukin (IL)-1β, IL-6, and cyclooxygenase 2 in C6 microglial cells, and decreased the level of nitric oxide and prostaglandin E₂ at a 100 μM concentration. All of these findings suggest that β-caryophyllene has a potent neuroprotective activity, and its neuroprotection may be partly related to the modulation of inflammatory mediators.
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Affiliation(s)
- Hyun-Joo Chang
- Korea Food Research Institute, Sungnam, Kyonggi-do, Republic of Korea
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Choi IY, Ju C, Anthony Jalin AM, Lee DI, Prather PL, Kim WK. Activation of Cannabinoid CB2 Receptor–Mediated AMPK/CREB Pathway Reduces Cerebral Ischemic Injury. THE AMERICAN JOURNAL OF PATHOLOGY 2013; 182:928-39. [DOI: 10.1016/j.ajpath.2012.11.024] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 10/29/2012] [Accepted: 11/26/2012] [Indexed: 10/27/2022]
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Assessment of Anticholinesterase Activity of Gelidiella acerosa: Implications for Its Therapeutic Potential against Alzheimer's Disease. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:497242. [PMID: 23304203 PMCID: PMC3525188 DOI: 10.1155/2012/497242] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 10/08/2012] [Accepted: 10/25/2012] [Indexed: 11/17/2022]
Abstract
The effect of various solvent extracts of Gelidiella acerosa on acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) activities was investigated. AChE and BuChE inhibitory activities were analyzed by spectrophotometric method. Phytochemical screening of the compounds present in the solvent extracts was done qualitatively. Characterization of the compounds present in the benzene extract of G. acerosa was done by GC-MS analysis. The results showed that, at 487.80 μg/mL, benzene extract showed significant (P < 0.05) inhibitory activity against both AChE and BuChE with the percentage of inhibition 54.18 ± 5.65 % (IC(50) = 434.61 ± 26.53 μg/mL) and 78.43 ± 0% (IC(50) = 163.01 ± 85.35 μg/mL), respectively. The mode of inhibition exhibited by benzene extract against the AChE and BuChE was found to be competitive and uncompetitive type of inhibition, respectively. Preliminary phytochemical analysis coupled with GC-MS illustrates that the benzene extract possesses high amount of terpenoids, which could be the reason for potential cholinesterase inhibitory activity.
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39
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Galdino PM, Nascimento MVM, Florentino IF, Lino RC, Fajemiroye JO, Chaibub BA, de Paula JR, de Lima TCM, Costa EA. The anxiolytic-like effect of an essential oil derived from Spiranthera odoratissima A. St. Hil. leaves and its major component, β-caryophyllene, in male mice. Prog Neuropsychopharmacol Biol Psychiatry 2012; 38:276-84. [PMID: 22542869 DOI: 10.1016/j.pnpbp.2012.04.012] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2011] [Revised: 04/10/2012] [Accepted: 04/14/2012] [Indexed: 01/22/2023]
Abstract
Spiranthera odoratissima A. St. Hil. (manacá) is used in folk medicine to treat renal and hepatic diseases, stomachache, headaches and rheumatism. A central nervous system (CNS) depressant effect of the hexane fraction from the ethanolic extract of this plant has been described. β-caryophyllene, the main component of this essential oil, is a sesquiterpene compound with anti-inflammatory properties that has been found in essential oils derived from several medicinal plants. This work is aimed to evaluate the pharmacological activity of the essential oil obtained from S. odoratissima leaves (EO) and its major component on the murine CNS; we aimed to evaluate a possible anxiolytic-like effect and the underlying mechanisms involved. In an open field test, EO (500 mg/kg) and β-caryophyllene (50, 100 and 200 mg/kg) increased the crossing frequency (P<0.05) and, EO (250 and 500 mg/kg) and β-caryophyllene (200 mg/kg) increased the time spent in the center (P<0.05) without altering total crossings of the open field. EO and β-caryophyllene did not alter the number of falls in the rota-rod test (P>0.05). In the pentobarbital-induced sleep test, EO (500 mg/kg) and β-caryophyllene (200 and 400 mg/kg) decreased the latency to sleep (P<0.05), and EO (125, 250 and 500 mg/kg) (P<0.001) and β-caryophyllene (200 and 400 mg/kg) (P<0.05 and P<0.001) increased the sleep time. In anxiety tests, EO (500 mg/kg) and β-caryophyllene (100 and 200 mg/kg) increased head-dipping behavior (P<0.05) in the hole-board test, entries (P<0.05) into and time spent (P<0.05) on the open arms of the elevated plus maze (EPM), and number of transitions (P<0.05) and time spent in the light compartment (P<0.05) of a light-dark box (LDB). We further investigated the mechanism of action underlying the anxiolytic-like effect of EO and β-caryophyllene by pre-treating animals with antagonists of benzodiazepine (flumazenil) and 5-HT(1A) (NAN-190) receptors prior to evaluation using EPM and LDB. The anxiolytic-like effects of EO were significantly reduced by pre-treatment with NAN-190 (P<0.05) but not flumazenil (P>0.05). The anxiolytic-like effects of β-caryophyllene were not blocked by either NAN-190 or flumazenil (P>0.05). In conclusion, these results suggest that the essential oil derived from S. odoratissima produces an anxiolytic-like effect without altering motor performance and that this effect is mediated by 5-HT(1A) but not via benzodiazepine receptors. In addition, the major component, β-caryophyllene, also has an anxiolytic-like effect that may contribute to the effects of EO, but this effect does not seem to be mediated via 5-HT(1A) or benzodiazepine receptors.
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Affiliation(s)
- Pablinny Moreira Galdino
- Laboratório de Farmacologia de Produtos Naturais, Instituto de Ciências Fisiológicas, Universidade Federal de Goiás, Goiânia, GO, Brazil.
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Li YJ, Xuan HZ, Shou QY, Zhan ZG, Lu X, Hu FL. Therapeutic effects of propolis essential oil on anxiety of restraint-stressed mice. Hum Exp Toxicol 2011; 31:157-65. [PMID: 21672965 DOI: 10.1177/0960327111412805] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Propolis has a broad spectrum of biological activities; however, whether its essential oils have neuroprotective effects is unknown. In this study, we found that propolis essential oil (PEO) could significantly reverse the anxiety-like behavior of restraint-stressed mice, and has no effect on locomotor activity. Furthermore, PEO significantly decreased the plasma levels of cortisol (CORT), adrenocorticotropic hormone (ACTH) and malondialdehyde (MDA), whereas it increased the activity of superoxide dismutase (SOD) in restraint-stressed mice. These results strongly suggest that PEO has therapeutic effects on anxiety through antagonizing the hyperfunction of hypothalamic-pituitary-adrenal (HPA) axis and improving the ability of antioxidation in brain tissue.
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Affiliation(s)
- Y-J Li
- College of Animal Science, Zhejiang University, Hangzhou, China
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41
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Balaji, Muthiah R, Sabarinath, Ramamurthy, Chandrasekharan. Descriptor analysis of estrogen receptor β-selective ligands using 2-phenylquinoline, tetrahydrofluorenone and 3-hydroxy 6H-benzo[c]chromen-6-one scaffolds. J Enzyme Inhib Med Chem 2011; 26:831-42. [PMID: 21438712 DOI: 10.3109/14756366.2011.566219] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Estrogen receptor beta (ERβ) selective ligands have attracted much attention recently in the design of anti-cancer drugs that are devoid of the common side effects of estrogen. Structural studies of estrogen receptor alpha (ERα) and β revealed that there were considerable differences in their ligand-binding cavity and in their volume. Hence, the present study has hypothesized that size and shape descriptors can influence the affinity/selectivity of the ligands towards ERβ. To prove the same, quantitative structure-activity relationship (QSAR) analyses were carried out using multiple regression analysis on 2-phenylquinoline, tetrahydrofluorenone and 3-hydroxy-6H-benzo[c]chromen-6-one series. Results indicate that increased lipophilicity, decrease in ellipsoidal volume and width of substituents, presence of halogen atoms was essential for the ligands to have high affinity/selectivity towards ERβ. QSAR models obtained were both internally and externally validated. The study delineates that the size and shape descriptors are best modulators of ERβ affinity/selectivity. Docking studies were performed to support our QSAR results.
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Affiliation(s)
- Balaji
- Department of Pharmacology, PSG College of Pharmacy, Coimbatore, India
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42
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Reyes OJ, Patel SJ, Mannan MS. Quantitative Structure Property Relationship Studies for Predicting Dust Explosibility Characteristics (Kst, Pmax) of Organic Chemical Dusts. Ind Eng Chem Res 2011. [DOI: 10.1021/ie1013663] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Olga J. Reyes
- Mary Kay O’Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
| | - Suhani J. Patel
- Mary Kay O’Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
| | - M. Sam Mannan
- Mary Kay O’Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
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Choi IY, Lim JH, Hwang S, Lee JC, Cho GS, Kim WK. Anti-ischemic and anti-inflammatory activity of (S)-cis-verbenol. Free Radic Res 2010; 44:541-51. [PMID: 20214504 DOI: 10.3109/10715761003667562] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
(S)-cis-verbenol, a natural metabolite from (-)-alpha-pinene of host pine tree, has been suggested to have anti-ischemic activity. However, the exact mechanism for the anti-ischemic activity of (S)-cis-verbenol remains unclear yet. In the present study, (S)-cis-verbenol reduced cerebral ischemic injury caused by 1.5-h middle cerebral artery occlusion followed by 24-h reperfusion. Furthermore, (S)-cis-verbenol significantly prevented neuronal cell death caused by oxygen-glucose deprivation (OGD, 1 h) and subsequent re-oxygenation (5 h). While (S)-cis-verbenol did not inhibit the NMDA-stimulated calcium influx, it reduced the intracellular level of reactive oxygen species (ROS) elevated by OGD/re-oxygenation. ORAC assay indicated that (S)-cis-verbenol potently eliminated peroxyl radicals. In DPPH and DHR123 fluorescence assays, however, (S)-cis-verbenol did not show a direct ROS scavenging effect. Furthermore, (S)-cis-verbenol reduced the expression levels of pro-inflammatory cytokines in ischemic brain and immunostimulated glial cells. The present results indicate that (S)-cis-verbenol may be a useful therapeutic agent due to its anti-oxidative and anti-inflammatory activities.
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Affiliation(s)
- In-Young Choi
- Department of Neuroscience, College of Medicine, Korea University, Seoul, Republic of Korea
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44
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Chibiryaev A, Yermakova A, Kozhevnikov I. Chemical and phase equilibria calculation of α-pinene hydration in CO2-expanded liquid. J Supercrit Fluids 2010. [DOI: 10.1016/j.supflu.2009.11.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Hu GX, Zou JW, Zeng M, Pan SF, Yu QS. 2D and 3D-QSPR Models for the Fluorophilicity of Organic Compounds in Consideration of Chirality. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/qsar.200960006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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46
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Dessalew N. QSAR Study on Piperidinecarboxamides as Antiretroviral Agents: An Insight Into the Structural Basis for HIV Coreceptor Antagonist Activity. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/qsar.200760177] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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47
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Dessalew N. QSAR Study on Dual 5-HT1Aand 5-HT1BAntagonists: An Insight into the Structural Requirement for Antidepressant Activity. Arch Pharm (Weinheim) 2008; 341:314-22. [DOI: 10.1002/ardp.200700224] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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48
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Dessalew N. QSAR study on aminophenylbenzamides and acrylamides as histone deacetylase inhibitors: An insight into the structural basis of antiproliferative activity. Med Chem Res 2008. [DOI: 10.1007/s00044-007-9085-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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