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Nazarinia D, Moslehi A, Hashemi P. (-)-α-bisabolol exerts neuroprotective effects against pentylenetetrazole-induced seizures in rats by targeting inflammation and oxidative stress. Physiol Behav 2023; 272:114351. [PMID: 37714321 DOI: 10.1016/j.physbeh.2023.114351] [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: 06/27/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
Epilepsy is the most common neurological disorder which is accompanied with behavioral and psychiatric alternations. Current evidences have shown that (-)-α-bisabolol (BSB) possess anti-inflammatory and antioxidative effects in several animal studies. Here, we conducted present study to evaluate its neuroprotective effects against pentylenetetrazole (PTZ)-induced seizures in rats. We used fifty male rats and they were randomly assigned into 5 groups control, BSB100, PTZ, BSB50 + PTZ, BSB100 + PTZ. The animals intraperitoneally received PTZ (45 mg/kg) for ten consecutive days to induce epilepsy model. BSB in doses of 50 and 100 mg/kg was administrated orally one hour before PTZ administration for ten days. The elevated plus maze (EPM) test was carried out to assess anxiety-like behavior. The seizure intensity was evaluated according to modifies Racine's convulsion scale (RCS). Y-maze and passive avoidance were utilized to assess working memory and aversive memory. The expression of pro-inflammatory cytokines and oxidative stress factors were measured using the enzyme-linked immunosorbent assay (ELISA). The neuronal cell loss in the hilar region was assessed using Nissl staining. Results showed that PTZ-treated rats had more seizure intensity, anxiety-like behavior, memory deficits, higher levels of TNF-α, IL-1β, and oxidative markers. Pre-treatment with BSB 100 significantly inhibited seizure intensity, anxiety-like behavior, and memory deficits; reduced levels of TNF-α, IL-1β, and MDA oxidative markers. Collectively, outcome of this work shows that BSB at the dose of 100 mg/kg may exert neuroprotective effects by mitigating seizures, oxidative stress, and neuroinflammation, and ameliorates memory and anxiety disorders in the PTZ-induced seizure rats.
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Affiliation(s)
- Donya Nazarinia
- Department of Physiology, School of Medicine, Dezful University of Medical Sciences, Dezful, Iran.
| | - Ahmadreza Moslehi
- Student Research Committee, Dezful University of Medical Sciences, Dezful, Iran
| | - Paria Hashemi
- Cellular and Molecular Research Center, Research Institute for Health Development, KurdistanUniversity of Medical Sciences, Sanandaj, Iran
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Shah FM, Guddeti DK, Paudel P, Chen J, Li XC, Khan IA, Ali A. Matricaria chamomilla Essential Oils: Repellency and Toxicity against Imported Fire Ants (Hymenoptera: Formicidae). Molecules 2023; 28:5584. [PMID: 37513455 PMCID: PMC10384828 DOI: 10.3390/molecules28145584] [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: 06/16/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Matricaria chamomilla flower essential oils (EOs) blue Egyptian (EO-1), chamomile German CO2 (EO-2), and chamomile German (EO-3) and the pure compound α-bisabolol were evaluated against red imported fire ants (RIFA), Solenopsis invicta Buren, black imported fire ants, S. richteri Forel (BIFA), and hybrid imported fire ants (HIFA) for their repellency and toxicity. A series of serial dilutions were tested starting from 125 µg/g until the failure of the treatment. Based on the amount of sand removed, EO-1 showed significant repellency at dosages of 7.8, 7.8, and 31.25 µg/g against RIFA, BIFA, and HIFA, respectively. EO-3 was repellent at 3.9, 7.8, and 31.25 µg/g against BIFA, RIFA, and HIFA, whereas α-bisabolol was active at 7.8, 7.8, and 31.25 µg/g against BIFA, HIFA, and RIFA, respectively. DEET (N, N-diethyl-meta-toluamide) was active at 31.25 µg/g. Toxicity of EOs and α-bisabolol was mild to moderate. For EO-1, LC50 values were 93.6 and 188.11 µg/g against RIFA and BIFA; 98.11 and 138.4 µg/g for EO-2; and 142.92 and 202.49 µg/g for EO-3, respectively. The LC50 of α-bisabolol was 159.23 µg/g against RIFA. In conclusion, M. chamomilla EOs and α-bisabolol offer great potential to be developed as imported fire ant repellents.
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Affiliation(s)
- Farhan Mahmood Shah
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
| | - Dileep Kumar Guddeti
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
| | - Pradeep Paudel
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
| | - Jian Chen
- Biological Control of Pests Research Unit, USDA-ARS, Stoneville, MS 38776, USA
| | - Xing-Cong Li
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
| | - Ikhlas A Khan
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
| | - Abbas Ali
- National Center for Natural Products Research, The University of Mississippi, University, MS 38677, USA
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Elazab ST, Hsu WH. Antagonism of cadmium-induced liver injury in ducks by α-bisabolol. Front Vet Sci 2022; 9:1024549. [PMID: 36419731 PMCID: PMC9676494 DOI: 10.3389/fvets.2022.1024549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 10/19/2022] [Indexed: 09/29/2023] Open
Abstract
Cadmium (Cd) is an ecological pollutant which causes hazardous effects in animals and humans. The aim of this study was to investigate the role of α-bisabolol (BISA) in antagonizing the Cd-induced hepatotoxicity in ducks. Two-week old ducks were allocated into 8 groups (10 ducks/group): Group I received basal diet and was gavaged with sunflower oil (BISA vehicle, 1.1 mL/kg/day); group II was administered BISA orally (50 mg/kg/day; diluted with sunflower oil); groups III, IV, and V were fed the basal diet mixed with CdCl2 at 37.5, 75, and 150 mg/kg diet, respectively, and were gavaged with sunflower oil; group VI, VII, and VIII were given basal diet containing CdCl2 at the aforementioned consecutive doses plus BISA. All treatments were provided daily for 4 weeks. Exposure to CdCl2 induced mortality in ducks, increased hepatic Cd content and serum levels of hepatopathic biomarkers, and caused oxidative stress and morphological alterations in ducks' liver. Furthermore, exposure to Cd caused upregulation of the mRNA of proinflammatory cytokine tumor necrosis factor-α and apoptotic gene Bax, and that of cyclooxygenase-2 protein in the liver. All effects of Cd were dose-dependent. BISA antagonized all of the aforementioned CdCl2-induced changes. These findings suggested that BISA exert the hepatoprotective effect against Cd toxicity through reducing the hepatic content of Cd as well as antagonizing oxidative insults, inflammation, and apoptosis. Thus, BISA has a great potential to be used as an antidote in the control of Cd poisoning.
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Affiliation(s)
- Sara T. Elazab
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Walter H. Hsu
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
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Ramazani E, Akaberi M, Emami SA, Tayarani-Najaran Z. Pharmacological and biological effects of alpha-bisabolol: An updated review of the molecular mechanisms. Life Sci 2022; 304:120728. [PMID: 35753438 DOI: 10.1016/j.lfs.2022.120728] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/14/2022] [Accepted: 06/18/2022] [Indexed: 12/30/2022]
Abstract
Alpha-bisabolol (α-bisabolol), an unsaturated monocyclic sesquiterpene alcohol, is known as one of the "most-used herbal constituents" in the world. Various therapeutic and biological properties of α-bisabolol in preventing oxidative stress, inflammatory disorders, infections, neurodegenerative diseases, cancers, and metabolic disorders have been reported. In this review, we evaluated new findings regarding the molecular mechanisms of α-bisabolol published from 2010 until 2021 in PubMed, Science Direct, and Scopus. The antioxidant mechanism of α-bisabolol is mainly associated with the reduction of ROS/RNS, MDA, and GSH depletion, MPO activity, and augmentation of SOD and CAT. Additionally, upregulating the expression of bcl-2 and suppression of bax, P53, APAF-1, caspase-3, and caspase-9 activity indicates the anti-apoptotic effects of α- bisabolol. It possesses anti-inflammatory effects via reduction of TNF-α, IL-1β, IL-6, iNOS, and COX-2 and suppresses the activation of ERK1/2, JNK, NF-κB, and p38. The antimicrobial effect is mediated by inhibiting the viability of infected cells and improves cognitive function via downregulation of bax, cleaved caspases-3 and 9 levels, β-secretase, cholinesterase activities, and upregulation of bcl-2 levels. Finally, due to multiple biological activities, α-bisabolol is worthy to be subjected to clinical trials to achieve new insights into its beneficial effects on human health.
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Affiliation(s)
- Elham Ramazani
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam Akaberi
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Ahmad Emami
- Department of Traditional Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zahra Tayarani-Najaran
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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Li G, Wu H, Sun L, Cheng K, Lv Z, Chen K, Qian F, Li Y. (-)-α-Bisabolol Alleviates Atopic Dermatitis by Inhibiting MAPK and NF-κB Signaling in Mast Cell. Molecules 2022; 27:molecules27133985. [PMID: 35807237 PMCID: PMC9268635 DOI: 10.3390/molecules27133985] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/12/2022] [Accepted: 06/18/2022] [Indexed: 11/30/2022] Open
Abstract
(-)-α-Bisabolol (BIS) is a sesquiterpene alcohol derived mostly from Matricaria recutita L., which is a traditional herb and exhibits multiple biologic activities. BIS has been reported for treatment of skin disorders, but the effect of BIS on anti-atopic dermatitis (AD) remains unclear. Therefore, we investigated the effects of BIS on 2,4-dinitrochlorobenzene (DNCB)-induced AD in BALB/c mice and the underlying mechanism in Bone Marrow-Derived Mast Cells (BMMCs). Topical BIS treatment reduced AD-like symptoms and the release of interleukin (IL)-4 without immunoglobulin (Ig)-E production in DNCB-induced BALB/c mice. Histopathological examination revealed that BIS reduced epidermal thickness and inhibited mast cells in the AD-like lesions skin. Oral administration of BIS effectively and dose-dependently suppressed mast-cell-mediated passive cutaneous anaphylaxis. In IgE-mediated BMMCs, the levels of β-hexosaminidase (β-hex), histamine, and tumor necrosis factor (TNF)-α were reduced by blocking the activation of nuclear factor-қB (NF-қB) and c-Jun N-terminal kinase (JNK) without P38 mitogen activated protein (P38) and extracellular regulated protein kinases (Erk1/2). Taken together, our experimental results indicated BIS suppresses AD by inhibiting the activation of JNK and NF-κB in mast cells. BIS may be a promising therapeutic agent for atopic dermatitis and other mast-cell-related diseases.
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Affiliation(s)
- Guangxia Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China; (G.L.); (H.W.); (L.S.); (K.C.)
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
| | - Huayan Wu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China; (G.L.); (H.W.); (L.S.); (K.C.)
| | - Liqin Sun
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China; (G.L.); (H.W.); (L.S.); (K.C.)
| | - Kang Cheng
- Shanghai Inoherb Cosmetics Co., Ltd., Shanghai 200080, China; (K.C.); (Z.L.)
| | - Zhi Lv
- Shanghai Inoherb Cosmetics Co., Ltd., Shanghai 200080, China; (K.C.); (Z.L.)
| | - Kaixian Chen
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China; (G.L.); (H.W.); (L.S.); (K.C.)
| | - Fei Qian
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China
- Correspondence: (F.Q.); (Y.L.)
| | - Yiming Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China; (G.L.); (H.W.); (L.S.); (K.C.)
- Correspondence: (F.Q.); (Y.L.)
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α-Bisabolol Mitigates Colon Inflammation by Stimulating Colon PPAR-γ Transcription Factor: In Vivo and In Vitro Study. PPAR Res 2022; 2022:5498115. [PMID: 35465355 PMCID: PMC9020997 DOI: 10.1155/2022/5498115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/08/2022] [Accepted: 03/18/2022] [Indexed: 12/13/2022] Open
Abstract
The incidence and prevalence of inflammatory bowel disease (IBD, Crohn’s disease, and ulcerative colitis) are increasing worldwide. The etiology of IBD is multifactorial, including genetic predisposition, dysregulated immune response, microbial dysbiosis, and environmental factors. However, many of the existing therapies are associated with marked side effects. Therefore, the development of new drugs for IBD treatment is an important area of investigation. Here, we investigated the anti-inflammatory effects of α-bisabolol, a naturally occurring monocyclic sesquiterpene alcohol present in many aromatic plants, in colonic inflammation. To address this, we used molecular docking and dynamic studies to understand how α-bisabolol interacts with PPAR-γ, which is highly expressed in the colonic epithelium: in vivo (mice) and in vitro (RAW264.7 macrophages and HT-29 colonic adenocarcinoma cells) models. The molecular docking and dynamic analysis revealed that α-bisabolol interacts with PPAR-γ, a nuclear receptor protein that is highly expressed in the colon epithelium. Treatment with α-bisabolol in DSS-administered mice significantly reduced Disease Activity Index (DAI), myeloperoxidase (MPO) activity, and colonic length and protected the microarchitecture of the colon. α-Bisabolol treatment also reduced the expression of proinflammatory cytokines (IL-6, IL1β, TNF-α, and IL-17A) at the protein and mRNA levels. The expression of COX-2 and iNOS inflammatory mediators were reduced along with tissue nitrite levels. Furthermore, α-bisabolol decreased the phosphorylation of activated mitogen-activated protein kinase (MAPK) signaling and nuclear factor kappa B (NFκB) proteins and enhanced colon epithelial PPAR-γ transcription factor expression. However, the PPAR-α and β/δ expression was not altered, indicating α-bisabolol is a specific stimulator of PPAR-γ. α-Bisabolol also increased the PPAR-γ transcription factor expression but not PPAR-α and β/δ in pretreated in LPS-stimulated RAW264.7 macrophages. α-Bisabolol significantly decreased the expression of proinflammatory chemokines (CXCL-1 and IL-8) mRNA in HT-29 cells treated with TNF-α and HT-29 PPAR-γ promoter activity. These results demonstrate that α-bisabolol mitigates colonic inflammation by inhibiting MAPK signaling and stimulating PPAR-γ expression.
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Health Benefits, Pharmacological Effects, Molecular Mechanisms, and Therapeutic Potential of α-Bisabolol. Nutrients 2022; 14:nu14071370. [PMID: 35405982 PMCID: PMC9002489 DOI: 10.3390/nu14071370] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/04/2022] Open
Abstract
α-Bisabolol is one of the important monocyclic sesquiterpenes, derived naturally from essential oils of many edible and ornamental plants. It was first obtained from Matricaria chamomilla, commonly known as chamomile or German chamomile. The available literature indicates that this plant along with other α-Bisabolol containing plants is popularly used in traditional medicine for potential health benefits and general wellbeing. Nutritional studies are indicative of the health benefits of α-Bisabolol. Numerous experimental studies demonstrated pharmacological properties of α-Bisabolol including anticancer, antinociceptive, neuroprotective, cardioprotective, and antimicrobial. This review aims to collectively present different pharmacological activities based on both in vitro and in vivo studies. In the present review using synoptic tables and figures, we comprehensively present that α-Bisabolol possesses therapeutic and protective activities, therefore, it can be used for potential health benefits based on pharmacological effects, underlying molecular mechanism, and favorable pharmaceutical properties. Based on the studies mostly performed on cell lines or animal models, it is evident that α-Bisabolol may be a promising nutraceutical and phytomedicine to target aberrant biological mechanisms which result in altered physiological processes and various ailments. Given the polypharmacological effects and pleiotropic properties, along with favorable pharmacokinetics, and dietary availability and safety, α-Bisabolol can be used as a dietary agent, nutraceutical or phytopharmaceutical agent or as an adjuvant with currently available modern medicines. The regulatory approval of this molecule for use as food additives, and in cosmetics and fragrance industry is also supportive of its human usage. Moreover, further studies are necessary to address pharmaceutical, pharmacological, and toxicological aspects before clinical or nutritional usage in humans. The biological actions and health benefits open opportunities for pharmaceutical development with pharmacological basis of its use in future therapeutics.
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Park J, Han F, Lee IS. Biotransformation of (-)-α-Bisabolol by Absidia coerulea. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030881. [PMID: 35164145 PMCID: PMC8840173 DOI: 10.3390/molecules27030881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 11/30/2022]
Abstract
(−)-α-Bisabolol, a bioactive monocyclic sesquiterpene alcohol, has been used in pharmaceutical and cosmetic products with anti-inflammatory, antibacterial and skin-caring properties. However, the poor water solubility of (−)-α-bisabolol limits its pharmaceutical applications. It has been recognized that microbial transformation is a very useful approach to generate more polar metabolites. Fifteen microorganisms were screened for their ability to metabolize (−)-α-bisabolol in order to obtain its more polar derivatives, and the filamentous fungus Absidia coerulea was selected for scale-up fermentation. Seven new and four known metabolites were obtained from biotransformation of (−)-α-bisabolol (1), and all the metabolites exhibited higher aqueous solubility than that of the parent compound 1. The structures of newly formed metabolites were established as (1R,5R,7S)- and (1R,5S,7S)-5-hydroxy-α-bisabolol (2 and 3), (1R,5R,7S,10S)-5-hydroxybisabolol oxide B (4), (1R,7S,10S)-1-hydroxybisabolol oxide B (5), 12-hydroxy-α-bisabolol (7), (1S,3R,4S,7S)- and (1S,3S,4S,7S)-3,4-dihydroxy-α-bisabolol (8 and 10) on the basis of spectroscopic analyses. These compounds could also be used as reference standards for the detection and identification of the metabolic products of 1 in the mammalian system.
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Egbuta MA, McIntosh S, Waters DLE, Vancov T, Liu L. In Vitro Anti-Inflammatory Activity of Essential Oil and β-Bisabolol Derived from Cotton Gin Trash. Molecules 2022; 27:molecules27020526. [PMID: 35056836 PMCID: PMC8779114 DOI: 10.3390/molecules27020526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 02/05/2023] Open
Abstract
Natural α-bisabolol has been widely used in cosmetics and is sourced mainly from the stems of Candeia trees that have become endangered due to over exploitation. The in vitro anti-inflammatory activity of cotton gin trash (CGT) essential oil and the major terpenoid (β-bisabolol) purified from the oil were investigated against lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages as well as the 3t3 and HS27 fibroblast cell lines. Nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), and interleukin 8 (IL-8) were measured using Greiss reagent, enzyme-linked immunosorbent assay (ELISA), and cytokine bead array (CBA)-flow cytometry. Non-toxic concentrations of CGT oil and β-bisabolol (1.6–50.0 µg/mL) significantly inhibited the production of the inflammatory mediators in a dose-dependent manner. Maximal inhibition by β-bisabolol was 55.5% for NO, 62.3% for PGE2, and 45.3% for TNF-α production in RAW cells. β-Bisabolol induced a level of inhibition similar to an equal concentration of α-bisabolol (50.0 µg/mL), a known anti-inflammatory agent. These results suggest β-bisabolol exerts similar in vitro effects to known topical anti-inflammatory agents and could therefore be exploited for cosmetic and therapeutic uses. This is the first study to report the in vitro anti-inflammatory activity of β-bisabolol in CGT essential oil.
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Affiliation(s)
- Mary A. Egbuta
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Shane McIntosh
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Daniel L. E. Waters
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
| | - Tony Vancov
- Elizabeth Macarthur Agricultural Institute, NSW Department of Planning, Industry & Environment, DPI Agriculture, Woodbridge Rd, Menangle, NSW 2568, Australia;
| | - Lei Liu
- Southern Cross Plant Science, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia; (M.A.E.); (S.M.); (D.L.E.W.)
- Correspondence: ; Tel.: +61-02-6620-3293
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Bayliak MM, Dmytriv TR, Melnychuk AV, Strilets NV, Storey KB, Lushchak VI. Chamomile as a potential remedy for obesity and metabolic syndrome. EXCLI JOURNAL 2021; 20:1261-1286. [PMID: 34602925 PMCID: PMC8481792 DOI: 10.17179/excli2021-4013] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/21/2021] [Indexed: 12/26/2022]
Abstract
Obesity is an increasing health concern related to many metabolic disorders, including metabolic syndrome, diabetes type 2 and cardiovascular diseases. Many studies suggest that herbal products can be useful dietary supplements for weight management due to the presence of numerous biologically active compounds, including antioxidant polyphenols that can counteract obesity-related oxidative stress. In this review we focus on Matricaria chamomilla, commonly known as chamomile, and one of the most popular medicinal plants in the world. Thanks to a high content of phenolic compounds and essential oils, preparations from chamomile flowers demonstrate a number of pharmacological effects, including antioxidant, anti-inflammatory, antimicrobial and sedative actions as well as improving gastrointestinal function. Several recent studies have shown certain positive effects of chamomile preparations in the prevention of obesity and complications of diabetes. These effects were associated with modulation of signaling pathways involving the AMP-activated protein kinase, NF-κB, Nrf2 and PPARγ transcription factors. However, the potential of chamomile in the management of obesity seems to be underestimated. This review summarizes current data on the use of chamomile and its individual components (apigenin, luteolin, essential oils) to treat obesity and related metabolic disorders in cell and animal models and in human studies. Special attention is paid to molecular mechanisms that can be involved in the anti-obesity effects of chamomile preparations. Limitation of chamomile usage is also analyzed.
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Affiliation(s)
- Maria M Bayliak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Tetiana R Dmytriv
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Antonina V Melnychuk
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Nadia V Strilets
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Kenneth B Storey
- Institute of Biochemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
| | - Volodymyr I Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.,I. Horbachevsky Ternopil National Medical University, 46002, Ternopil, Ukraine.,Research and Development University, Shota Rustaveli Str., 76018, Ivano-Frankivsk, Ukraine
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Liktor-Busa E, Keresztes A, LaVigne J, Streicher JM, Largent-Milnes TM. Analgesic Potential of Terpenes Derived from Cannabis sativa. Pharmacol Rev 2021; 73:98-126. [PMID: 34663685 PMCID: PMC11060501 DOI: 10.1124/pharmrev.120.000046] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Pain prevalence among adults in the United States has increased 25% over the past two decades, resulting in high health-care costs and impacts to patient quality of life. In the last 30 years, our understanding of pain circuits and (intra)cellular mechanisms has grown exponentially, but this understanding has not yet resulted in improved therapies. Options for pain management are limited. Many analgesics have poor efficacy and are accompanied by severe side effects such as addiction, resulting in a devastating opioid abuse and overdose epidemic. These problems have encouraged scientists to identify novel molecular targets and develop alternative pain therapeutics. Increasing preclinical and clinical evidence suggests that cannabis has several beneficial pharmacological activities, including pain relief. Cannabis sativa contains more than 500 chemical compounds, with two principle phytocannabinoids, Δ9-tetrahydrocannabinol (Δ9-THC) and cannabidiol (CBD). Beyond phytocannabinoids, more than 150 terpenes have been identified in different cannabis chemovars. Although the predominant cannabinoids, Δ9-THC and CBD, are thought to be the primary medicinal compounds, terpenes including the monoterpenes β-myrcene, α-pinene, limonene, and linalool, as well as the sesquiterpenes β-caryophyllene and α-humulene may contribute to many pharmacological properties of cannabis, including anti-inflammatory and antinociceptive effects. The aim of this review is to summarize our current knowledge about terpene compounds in cannabis and to analyze the available scientific evidence for a role of cannabis-derived terpenes in modern pain management. SIGNIFICANCE STATEMENT: Decades of research have improved our knowledge of cannabis polypharmacy and contributing phytochemicals, including terpenes. Reform of the legal status for cannabis possession and increased availability (medicinal and recreational) have resulted in cannabis use to combat the increasing prevalence of pain and may help to address the opioid crisis. Better understanding of the pharmacological effects of cannabis and its active components, including terpenes, may assist in identifying new therapeutic approaches and optimizing the use of cannabis and/or terpenes as analgesic agents.
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Affiliation(s)
| | - Attila Keresztes
- Department of Pharmacology, University of Arizona, Tucson, Arizona
| | - Justin LaVigne
- Department of Pharmacology, University of Arizona, Tucson, Arizona
| | - John M Streicher
- Department of Pharmacology, University of Arizona, Tucson, Arizona
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Huang ZY, Ye RY, Yu HL, Li AT, Xu JH. Mining methods and typical structural mechanisms of terpene cyclases. BIORESOUR BIOPROCESS 2021; 8:66. [PMID: 38650244 PMCID: PMC10992375 DOI: 10.1186/s40643-021-00421-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/24/2021] [Indexed: 12/13/2022] Open
Abstract
Terpenoids, formed by cyclization and/or permutation of isoprenes, are the most diverse and abundant class of natural products with a broad range of significant functions. One family of the critical enzymes involved in terpenoid biosynthesis is terpene cyclases (TCs), also known as terpene synthases (TSs), which are responsible for forming the ring structure as a backbone of functionally diverse terpenoids. With the recent advances in biotechnology, the researches on terpene cyclases have gradually shifted from the genomic mining of novel enzyme resources to the analysis of their structures and mechanisms. In this review, we summarize both the new methods for genomic mining and the structural mechanisms of some typical terpene cyclases, which are helpful for the discovery, engineering and application of more and new TCs.
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Affiliation(s)
- Zheng-Yu Huang
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Ru-Yi Ye
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Hui-Lei Yu
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Ai-Tao Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan, 430062, China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai, 200237, China.
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Determination of the Chemical Composition and Antimicrobial Activity of Lavatera thuringiaca L. Medicinal Herb Material Extracted under Subcritical Conditions by the Liquid Carbon Dioxide Method. Int J Biomater 2021; 2021:7541555. [PMID: 34335776 PMCID: PMC8321744 DOI: 10.1155/2021/7541555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/02/2021] [Accepted: 07/12/2021] [Indexed: 01/15/2023] Open
Abstract
This article presents the composition of the components of Lavatera thuringiaca L. (Malvaceae Juss. family), which has a certain antibacterial effect. The plant collection was carried out in the Shamalgan gorge of Mountain Range of the Trans-Ili Alatau in the territory of the Karasay district of the Almaty region, in the flowering phase. A CO2 extract of the aboveground part of the medicinal plant Lavatera thuringiaca L. was obtained under subcritical conditions and, for the first time, studied for its component composition and antimicrobial activity. Determination of the chemical composition of the extract was carried out by gas chromatography/mass spectrometry (GC/MS). To identify the obtained mass spectra, we used the Wiley 7th edition and the NIST'02 data library. To determine the antimicrobial and antifungal activity, standard test strains of microorganisms were used: Staphylococcus aureus ATCC 6538-P, Escherichia coli ATCC 8739, Pseudomonas aeruginosa ATCC 9027, Candida albicans ATCC 10231, Streptococcus pneumonia ATCC 660, Klebsiella pneumoniae ATCC 700603, Staphylococcus haemolyticus, and Staphylococcus saprophyticus. In the composition of thick CO2Lavatera thuringiaca L. extract, the content of 31 components was proven: spathulenol 6.97%, pulegone 5 08%, cis-β-farnesene 7.63%, verbenone 1.93%, α-bisabolol oxide B 9.65%, bisabolol oxide A 8.26%, α-bisabolol 1.36%, linolenic acid, ethyl ether 3.15%, phytol 2.49%, herniarin 5.61%, linolenic acid 9.38%, linoleic acid 6.95%, myristic acid 2.33%, and elaidic acid 2.57%. Antimicrobial activity studies have shown that the CO2 extract of Lavatera thuringiaca L. has a pronounced effect against clinically significant microorganisms: Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Streptococcus pneumonia, Klebsiella pneumoniae, Staphylococcus haemolyticus, and Staphylococcus saprophyticus. During testing, the method of serial dilutions proved that the extract of Lavatera thuringiaca L. has a bactericidal effect on Staphylococcus aureus at a concentration of 0.83 μg/μl, on Escherichia coli at a concentration of 3.33 μg/μl, on Pseudomonas aeruginosa at a concentration of 0.83 μg/μl, on Streptococcus pneumoniae at a concentration of 1.67 μg/μl, on a clinical isolate of Staphylococcus haemolyticus at a concentration of 26.65 μg/μl, on Staphylococcus saprophyticus at a concentration of 6.67 μg/μl, and against Klebsiella pneumoniae at a concentration of 13.36 μg/μl. The test result showed that the extract also has fungicidal activity against the test culture of Candida albicans at a concentration of 0.21 μg/μl. At tests, the disc diffusion method proved that the extract has antimicrobial activity with high values of the growth suppression zone exceeding 15 mm. The zones of growth retardation of the test strains were 19.33 ± 1.15 for Staphylococcus aureus; 17.33 ± 3.21 for Escherichia coli; 15.67 ± 0.57 for Pseudomonas aeruginosa; 20.0 ± 1.0 for Streptococcus pneumoniae; 16.0 ± 2.64 for Klebsiella pneumoniae; 15.0 ± 1.0 for Staphylococcus saprophyticus, and 22.0 ± 1.73 for Candida albicans. In relation to the clinical isolate of Staphylococcus haemolyticus, the extract has a bacteriostatic effect.
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Ionescu AC, Vezzoli E, Conte V, Sartori P, Procacci P, Brambilla E. Activity of Experimental Mouthwashes and Gels Containing DNA-RNA and Bioactive Molecules against the Oxidative Stress of Oral Soft Tissues: The Importance of Formulations. A Bioreactor-Based Reconstituted Human Oral Epithelium Model. Molecules 2021; 26:2976. [PMID: 34067773 PMCID: PMC8155942 DOI: 10.3390/molecules26102976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND DNA-RNA compounds have shown promising protection against cell oxidative stress. This study aimed to assess the cytotoxicity, protective, or preventive effect of different experimental formulations on oral epithelia's oxidative stress in vitro. METHODS Reconstituted human oral epithelia (RHOE) were grown air-lifted in a continuous-flow bioreactor. Mouthwashes and gels containing DNA-RNA compounds and other bioactive molecules were tested on a model of oxidative stress generated by hydrogen peroxide treatment. Epithelia viability was evaluated using a biochemical MTT-based assay and confocal microscopy; structural and ultrastructural morphology was evaluated by light microscopy and TEM. RESULTS DNA-RNA showed non-cytotoxic activity and effectively protected against oxidative stress, but did not help in its prevention. Gel formulations did not express adequate activity compared to the mouthwashes. Excipients played a fundamental role in enhancing or even decreasing the bioactive molecules' effect. CONCLUSION A mouthwash formulation with hydrolyzed DNA-RNA effectively protected against oxidative stress without additional enhancement by other bioactive molecules. Active compounds, such as hyaluronic acid, β-Glucan, allantoin, bisabolol, ruscogenin, and essential oils, showed a protective effect against oxidative stress, which was not synergistic with the one of DNA-RNA. Incorporation of surfactant agents showed a reduced, yet significant, cytotoxic effect.
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Affiliation(s)
- Andrei C. Ionescu
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, via Pascal, 36, 20133 Milan, Italy;
| | - Elena Vezzoli
- Electron Microscopy Laboratory, Department of Biomedical Sciences for Health, Università degli Studi di Milano, via G. Colombo, 71, 20133 Milan, Italy; (E.V.); (V.C.); (P.S.); (P.P.)
| | - Vincenzo Conte
- Electron Microscopy Laboratory, Department of Biomedical Sciences for Health, Università degli Studi di Milano, via G. Colombo, 71, 20133 Milan, Italy; (E.V.); (V.C.); (P.S.); (P.P.)
| | - Patrizia Sartori
- Electron Microscopy Laboratory, Department of Biomedical Sciences for Health, Università degli Studi di Milano, via G. Colombo, 71, 20133 Milan, Italy; (E.V.); (V.C.); (P.S.); (P.P.)
| | - Patrizia Procacci
- Electron Microscopy Laboratory, Department of Biomedical Sciences for Health, Università degli Studi di Milano, via G. Colombo, 71, 20133 Milan, Italy; (E.V.); (V.C.); (P.S.); (P.P.)
| | - Eugenio Brambilla
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, via Pascal, 36, 20133 Milan, Italy;
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Abstract
The use of calendula for its lenitive properties’ dates to the XII century. This plant contains several bioactive compounds, including terpenoids, terpenes, carotenoids, flavonoids and polyunsaturated fatty acids. Calendula flower extract is used in soothing cosmetics, such as after-sun, sensitive skin and eye contour products. The anti-inflammatory properties of this ingredient were demonstrated in an animal model, but the mechanism of action is poorly understood. Therefore, our work explored the effect of a calendula flower extract on NO production, a pro-inflammatory radical produced by nitric oxide synthase (iNOS) and highly released by innate immune cells in inflammatory-related pathologies. NO production was evoked by the Toll-like receptor 4 agonist lipopolysaccharide (LPS) in macrophages, using concentrations that did not compromise cells viability. This ingredient exhibited a dose-dependent NO inhibition, reaching 50% at 147 μL/mL without cytotoxicity. Together with previous literature, these results provide experimental evidence on the anti-inflammatory properties of calendula flower extract, as well as its usefulness in cosmetics with soothing properties and adjunctive skin care in the treatment of the diseases associated with dysregulation of the NO signaling cascade.
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Ortiz MI, Cariño-Cortés R, Muñoz-Pérez VM, Salas-Casas A, Castañeda-Hernández G. Role of the NO-cGMP-K + channels pathway in the peripheral antinociception induced by α-bisabolol. Can J Physiol Pharmacol 2021; 99:1048-1056. [PMID: 33857384 DOI: 10.1139/cjpp-2020-0744] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The aim of this study was to examine if the peripheral antinociception of α-bisabolol involves the participation of nitric oxide (NO) and cyclic guanosine monophosphate (cGMP) synthesis followed by K+ channel opening in the formalin test. Wistar rats were injected in the dorsal surface of the right hind paw with formalin (1%). Rats received a subcutaneous injection into the dorsal surface of the paw of vehicles or increasing doses of α-bisabolol (100-300 µg/paw). To determine whether the peripheral antinociception induced by α-bisabolol was mediated by either the opioid receptors or the NO-cGMP-K+ channels pathway, the effect of pretreatment (10 min before formalin injection) with the appropriate vehicles, naloxone, naltrexone, NG-nitro-l-arginine methyl ester (L-NAME), 1H-[1,2,4]-oxadiazolo[4,2-a]quinoxalin-1-one (ODQ), glibenclamide, glipizide, apamin, charybdotoxin, tetraethylammonium, or 4-aminopyridine on the antinociceptive effects induced by local peripheral α-bisabolol (300 µg/paw) were assessed. α-Bisabolol produced antinociception during both phases of the formalin test. α-Bisabolol antinociception was blocked by L-NAME, ODQ, and all the K+ channels blockers. The peripheral antinociceptive effect produced by α-bisabolol was not blocked by the opioid receptor inhibitors. α-Bisabolol was able to active the NO-cGMP-K+ channels pathway to produce its antinoceptive effect. The participation of opioid receptors in the peripheral local antinociception induced by α-bisabolol is excluded.
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Affiliation(s)
- Mario I Ortiz
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, Mexico
| | - Raquel Cariño-Cortés
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, Mexico
| | - Víctor M Muñoz-Pérez
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, Mexico
| | - Andrés Salas-Casas
- Área Académica de Gerontología del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, Mexico
| | - Gilberto Castañeda-Hernández
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
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Cavalcante HAO, Silva-Filho SE, Wiirzler LAM, Cardia GFE, Uchida NS, Silva-Comar FMDS, Bersani-Amado CA, Cuman RKN. Effect of (-)-α-Bisabolol on the Inflammatory Response in Systemic Infection Experimental Model in C57BL/6 Mice. Inflammation 2020; 43:193-203. [PMID: 31631236 DOI: 10.1007/s10753-019-01109-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
(-)-α-Bisabolol (BISA) is an unsaturated monocyclic sesquiterpenes compound, mainly found in the essential oil of chamomile (Matricaria chamomilla). It has been reported that this compound has several biological activities, but there are few studies evaluating the activity of this compound in the systemic inflammatory response in infectious processes. The aim of this study was to evaluate the effect of BISA on the inflammatory response and survival rate in a systemic infection model, and in vitro neutrophils phagocytic activity. BISA at concentration of 3, 10, 30, and 90 μg/ml did not presented in vitro cytotoxicity in MTT assay, and at concentrations of 1 and 3 μg/ml the BISA treatment increased in vitro phagocytic neutrophil activity. For the inflammatory response study, we verified the BISA treatment effect in a cecal ligation and puncture (CLP)-induced systemic infection model in mice; in this model, we demonstrate that BISA at dose of 100 mg/kg reduced the leukocyte recruitment in peritoneal cavity; at dose of 200 mg/kg, the NO concentration was increased in the peritoneal cavity. The bacteria CFU number was reduced in mice blood in the BISA treatment, at doses of 100 and 200 mg/kg. The BISA treatment at doses of 50 and 100 mg/kg increased the myeloperoxidase activity and reduction NO production in lung tissue of mice in CLP model. At dose of 100 mg/kg, the BISA treatment was able to reduce the mortality rate of mice submitted to CLP-induced sepsis and observed for 7 days. The results suggest an effect of BISA on inflammatory response, with activity on leukocyte chemotactic and NO production, in addition to increasing the survival rate of animals submitted to CLP model.
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Affiliation(s)
| | - Saulo Euclides Silva-Filho
- Pharmaceutical Sciences, Food and Nutrition College, Federal University of Mato Grosso do Sul, Av. Costa e Silva, s/n, Campo Grande, MS, 79070-900, Brazil.
| | | | | | - Nancy Sayuri Uchida
- Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, PR, Brazil
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In Vitro Scolicidal Activity of the Sesquiterpenes Isofuranodiene, α-Bisabolol and Farnesol on Echinococcus granulosus Protoscoleces. Molecules 2020; 25:molecules25163593. [PMID: 32784679 PMCID: PMC7464821 DOI: 10.3390/molecules25163593] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/02/2020] [Accepted: 08/04/2020] [Indexed: 01/13/2023] Open
Abstract
Cystic echinococcosis (CE) remains an important challenge both in humans and animals. There is no safe and suitable remedy for CE, so the discovery of new compounds with promising scolicidal effects, particularly from herbal sources, is of great importance for therapeutic uses in the treatment and prevention of CE reappearance. Sesquiterpenes are C15 organic compounds made up of three isoprene units and mostly occurring as fragrant components of essential oils. They are of economic importance for the cosmetic and pharmaceutical industry, and recently attracted the attention of the scientific community for their remarkable parasiticidal properties. In the present study, we have focused on three known sesquiterpenes, isofuranodiene (IFD), α-bisabolol (BSB), and farnesol (FOH), as important phytoconstituents of the essential oils of wild celery (Smyrnium olusatrum), chamomile (Matricaria chamomilla), and acacia farnese (Vachellia farnesiana), respectively. Protoscoleces were recovered from fertile hydatid cysts and were exposed to different concentrations of the three tested compounds for different exposure times. The viability of protoscoleces was confirmed by 0.1% eosin staining. Results of scolicidal activity evaluations showed that IFD possessed the best effect against Echinococcus granulosus protoscoleces (LC50 and LC90 values of 8.87 and 25.48 µg/mL, respectively), followed by BSB (LC50 of 103.2 µg/mL) and FOH (LC50 of 113.68 µg/mL). The overall toxicity of IFD differed significantly from those of FOH and BSB, while there was no significant difference in toxicity between the latter compounds (p > 0.05). The present study showed that IFD seems to be a promising scolicidal agent and can be further tested to become a candidate for CE treatment.
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Xu C, Sheng S, Dou H, Chen J, Zhou K, Lin Y, Yang H. α-Bisabolol suppresses the inflammatory response and ECM catabolism in advanced glycation end products-treated chondrocytes and attenuates murine osteoarthritis. Int Immunopharmacol 2020; 84:106530. [PMID: 32334386 DOI: 10.1016/j.intimp.2020.106530] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/18/2020] [Accepted: 04/19/2020] [Indexed: 12/12/2022]
Abstract
As a chronic musculoskeletal degeneration disease, osteoarthritis (OA) clinically manifests as joint pain, stiffness and a limited range of movement. OA has affected the life quality of at least one-tenth of the population but lacks satisfactory treatments. α-Bisabolol (BISA) is a small oily sesquiterpene alcohol widely found in essential oils of chamomile (Matricaria recutita), salvia and wood of Candeia and has multiple biological properties, particularly an anti-inflammatory effect. The purpose of this study is to assess the anti-inflammatory and chondroprotective effect of BISA in OA progression and explore its underlying mechanism. We isolated human chondrocytes and treated them with advanced glycation end products (AGEs) to imitate OA progression in vitro. BISA pretreatment suppressed the AGE-induced inflammatory reaction and extracellular matrix (ECM) degeneration by blocking nuclear factor kappa B (NF-κB), p38 and c-Jun N-terminal kinase (JNK) signaling. Moreover, a mouse destabilization of the medial meniscus (DMM) model was established by surgery to investigate BISA protection in vivo. BISA administration attenuated DMM-induced radiological and histopathological changes relative to the DMM group and resulted in lower OARSI scores. Taken together, the results of our study indicate the potential of BISA in OA therapy.
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Affiliation(s)
- Cong Xu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Sunren Sheng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Haicheng Dou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Jiaoxiang Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Kailiang Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Yan Lin
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.
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Sarrade-Loucheur A, Ro DK, Fauré R, Remaud-Siméon M, Truan G. Synthetic Derivatives of (+)- epi-α-Bisabolol Are Formed by Mammalian Cytochromes P450 Expressed in a Yeast Reconstituted Pathway. ACS Synth Biol 2020; 9:368-380. [PMID: 31977190 DOI: 10.1021/acssynbio.9b00399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Identification of the enzyme(s) involved in complex biosynthetic pathways can be challenging. An alternative approach might be to deliberately diverge from the original natural enzyme source and use promiscuous enzymes from other organisms. In this paper, we have tested the ability of a series of human and animal cytochromes P450 involved in xenobiotic detoxification to generate derivatives of (+)-epi-α-bisabolol and attempt to produce the direct precursor of hernandulcin, a sweetener from Lippia dulcis for which the last enzymatic steps are unknown. Screening steps were implemented in vivo in S. cerevisiae optimized for the biosynthesis of oxidized derivatives of (+)-epi-α-bisabolol by coexpressing two key enzymes: the (+)-epi-α-bisabolol synthase and the NADPH cytochrome P450 reductase. Five out of 25 cytochromes P450 were capable of producing new hydroxylated regioisomers of (+)-epi-α-bisabolol. Of the new oxidized bisabolol products, the structure of one compound, 14-hydroxy-(+)-epi-α-bisabolol, was fully elucidated by NMR while the probable structure of the second product was determined. In parallel, the production of (+)-epi-α-bisabolol derivatives was enhanced through the addition of a supplementary genomic copy of (+)-epi-α-bisabolol synthase that augmented the final titer of hydroxylated product to 64 mg/L. We thus demonstrate that promiscuous drug metabolism cytochromes P450 can be used to produce novel compounds from a terpene scaffold.
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Affiliation(s)
| | - Dae-Kyun Ro
- Department of Biological Sciences, University of Calgary, Calgary, Canada
| | - Régis Fauré
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | | | - Gilles Truan
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
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El-Lakany SA, Abd-Elhamid AI, Kamoun EA, El-Fakharany EM, Samy WM, Elgindy NA. α-Bisabolol-Loaded Cross-Linked Zein Nanofibrous 3D-Scaffolds For Accelerating Wound Healing And Tissue Regeneration In Rats. Int J Nanomedicine 2019; 14:8251-8270. [PMID: 31802865 PMCID: PMC6801933 DOI: 10.2147/ijn.s224315] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/13/2019] [Indexed: 12/23/2022] Open
Abstract
Objectives Novel α-bisabolol (BIS)-loaded citric acid cross-linked zein nanofibrous scaffolds (C-ZNFs) were proposed to serve as safe platforms for promoting wound repair in rats. Methods ZNFs were synthesized using electrospinning technique, then NFs, with adequate water resistance, were produced using citric acid as a safe cross-linker. Results Compared to the uncross-linked ZNFs, cross-linking with 7% w/w citric acid decreased swelling index by 3 folds, while the tensile strength and the contact angle were enhanced to 2.5 and 3.8 folds, respectively. SEM images showed beads-free homogeneous NFs with a fully inter-connected 3D-network, where the average diameter of optimized C-ZNFs was 181.7±50 nm. After 24 h, C-ZNFs exhibited a decreased BIS release rate (45.6%), compared to uncross-linked mats (84.9%). By increasing BIS concentration, the cell adhesion (WI38 fibroblasts) was improved which can be attributed mainly to BIS activation of transforming growth factor-beta (TGF-β1). The MTT-OD obtained values indicated that all tested zein scaffolds significantly enhanced the viability of WI38 fibroblasts, compared to the control after 48h of incubation which can be referred to the proliferative potential of zein by provoking cell spreading process. The scratch wound assay demonstrated that BIS-loaded ZNF scaffolds showed accelerated migration and proliferation of fibroblasts expressed by significantly higher wound closure rates compared to the control sample. BIS-loaded-C-ZNFs prominently accelerated tissue regeneration for wound closure demonstrated by entirely grown epithelium with normal keratinization and rapid wound contraction, compared to the control. Immunohistochemical results confirmed the superiority of BIS-loaded-C-ZNFs, where the observed reduced NF-κB and the elevated cytokeratin expressions confirmed the anti-inflammatory and proliferative effects of the scaffolds, respectively. Conclusion In-vitro, optimized C-ZNFs offered a satisfactory cytocompatibility, adhesion and healing which were consistent with the in-vivo results. BIS-loaded-C-ZNFs could be regarded as a promising and effective biomaterial for tissue regeneration and for accelerating the wound healing process.
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Affiliation(s)
- Sarah A El-Lakany
- Department of Industrial Pharmacy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Ahmed I Abd-Elhamid
- Nanotechnology and Composite Material Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Elbadawy A Kamoun
- Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt.,Nanotechnology Research Center (NTRC), The British University in Egypt (BUE), El-Sherouk City, Cairo 11837, Egypt
| | - Esmail M El-Fakharany
- Therapeutic and Protective Proteins Laboratory, Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Wael M Samy
- Department of Industrial Pharmacy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Nazik A Elgindy
- Department of Industrial Pharmacy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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Dos Santos DS, Barreto RDSS, Serafini MR, Gouveia DN, Marques RS, Nascimento LDC, Nascimento JDC, Guimarães AG. Phytomedicines containing Matricaria species for the treatment of skin diseases: A biotechnological approach. Fitoterapia 2019; 138:104267. [PMID: 31319107 DOI: 10.1016/j.fitote.2019.104267] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 01/09/2023]
Abstract
Skin diseases have a notable impact on the life of the affected and in their health conditions. In order to allow a more effective and economical treatment for such disorders, new therapeutic approaches have been continuously investigated. Due to its high therapeutic and phytochemical potential, Matricaria species emerges as a pleasant alternative, since it is an important source of bioactive secondary metabolites suitable for the treatment of varied skin diseases. Therefore, this review aimed to catalog inventions that have used Matricaria species as the active component for skin disease treatment in order to assess the status of the technological development of the fitomedicines. For this, a search of patents was performed in four specialized patent database, which have reported the discovery of pharmaceutical bioproducts that used Matricaria species in its composition for skin treatment. Therefore, it is possible to notice that the pharmaceutical industry has driven efforts and investment to produce medicines for the dermatopathies, using species of this genus as an active principle. Besides, a trend of growth has been identified for the last years, which is accompanied by the continuous publication of scientific articles on the subject. It is known that a long journey is traversed between the scientific findings and their applications in the pharmaceutical market, creating the perspective that new Matricaria-based medicines may reach the pharmaceutical market in the coming years.
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Affiliation(s)
- Damaris Silva Dos Santos
- Programa de Pós-graduação em Ciências Aplicadas à Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil
| | - Rosana de Souza Siqueira Barreto
- Programa de Pós-graduação em Ciências Aplicadas à Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil; Departmento de Educação em Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil
| | - Mairim Russo Serafini
- Departmento de Farmácia, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brazil
| | - Daniele Nascimento Gouveia
- Programa de Pós-graduação em Ciências Aplicadas à Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil
| | - Raquel Souza Marques
- Programa de Pós-graduação em Ciências Odontológicas, Universidade do Estado de São Paulo, Araraquara, São Paulo, Brazil
| | | | | | - Adriana Gibara Guimarães
- Programa de Pós-graduação em Ciências Aplicadas à Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil; Departmento de Educação em Saúde, Universidade Federal de Sergipe, Lagarto, Sergipe, Brazil.
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Ishii T, Okuyama T, Noguchi N, Nishidono Y, Okumura T, Kaibori M, Tanaka K, Terabayashi S, Ikeya Y, Nishizawa M. Antiinflammatory constituents of Atractylodes chinensis rhizome improve glomerular lesions in immunoglobulin A nephropathy model mice. J Nat Med 2019; 74:51-64. [PMID: 31270736 PMCID: PMC7176606 DOI: 10.1007/s11418-019-01342-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 06/26/2019] [Indexed: 11/06/2022]
Abstract
The crude drug Sojutsu, as defined by the Japanese Pharmacopoeia, is the rhizome of Atractylodes lancea De Candolle, Atractylodes chinensis Koidzumi, or their interspecific hybrids (Asteraceae). Sojutsu is one of the traditional Kampo formulas, which are administered to patients suffering from stomach disorders, edema, and nephrotic syndrome. Although antiinflammatory effects of Sojutsu have been reported, its effects on the liver and kidney have not been extensively investigated. Here, we used a Sojutsu sample identified as A. chinensis rhizome and isolated several constituents from its ethyl acetate (EtOAc)-soluble fraction that decreased production of the proinflammatory mediator nitric oxide (NO) in interleukin 1β-treated rat hepatocytes. Among the constituents in this fraction, atractylodin showed the highest activity to suppress NO production, whereas hinesol, β-eudesmol, and α-bisabolol showed low activity. Atractylodin decreased the levels of inducible nitric oxide synthase, tumor necrosis factor α, and lipocalin 2 messenger RNAs (mRNAs). The EtOAc-soluble fraction of the A. chinensis rhizome extract was administered daily for 20 weeks to high immunoglobulin A (HIGA) mice, whose pathological findings resemble human immunoglobulin A nephropathy. This fraction decreased the weight of white adipose tissue and decreased mesangial proliferation and immunoglobulin A deposition in glomeruli. These results indicate that the EtOAc-soluble fraction, which included antiinflammatory constituents, may be responsible for improvement of the mesangial lesions in HIGA mice.
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Affiliation(s)
- Toshinari Ishii
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Tetsuya Okuyama
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Nao Noguchi
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Yuto Nishidono
- College of Pharmaceutical Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Tadayoshi Okumura
- Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Shiga, Japan.,Department of Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | - Masaki Kaibori
- Department of Surgery, Kansai Medical University, Hirakata, Osaka, Japan
| | - Ken Tanaka
- College of Pharmaceutical Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Susumu Terabayashi
- Laboratory of Pharmacognosy and Medicinal Resources, Yokohama University of Pharmacy, Totsuka-ku, Yokohama, Japan
| | - Yukinobu Ikeya
- Center for Supporting Pharmaceutical Education, Daiichi University of Pharmacy, 22-1 Tamagawa-cho, Minami-ku, Fukuoka, 815-8511, Japan.
| | - Mikio Nishizawa
- Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga, Japan
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24
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Sampaio TL, Menezes RRPPBD, Lima DB, Costa Silva RA, de Azevedo IEP, Magalhães EP, Marinho MM, dos Santos RP, Martins AMC. Involvement of NADPH-oxidase enzyme in the nephroprotective effect of (−)-α-bisabolol on HK2 cells exposed to ischemia – Reoxygenation. Eur J Pharmacol 2019; 855:1-9. [DOI: 10.1016/j.ejphar.2019.04.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 04/22/2019] [Accepted: 04/26/2019] [Indexed: 12/14/2022]
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25
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α-bisabolol enhances radiotherapy-induced apoptosis in endometrial cancer cells by reducing the effect of XIAP on inhibiting caspase-3. Biosci Rep 2019; 39:BSR20190696. [PMID: 31127027 PMCID: PMC6558724 DOI: 10.1042/bsr20190696] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/05/2019] [Accepted: 05/17/2019] [Indexed: 12/18/2022] Open
Abstract
Endometrial cancer (EC) is one of the most common cancers in females. Although the diagnosis and treatment in early stages can greatly improve the survival rate of patients, the advanced EC still is lethal. Radiotherapy is widely used against EC, and it is a great challenge to find an effective way to overcome the resistance of EC during radiotherapy. α-bisabolol is a promising drug, which has already exhibited its anti-tumor effect in some malignancies. Here we reported that α-bisabolol could inhibit the proliferation of EC cells. It is also shown that their abilities of migration and invasion were effectively reduced by α-bisabolol. Furthermore, our results also demonstrated that α-bisabolol could improve sensitivity of EC cells in radiotherapy and further inhibited the growth of EC cells. By Western blot, we found the expression of matrix metalloproteinases-9 (MMP-9) and cyclin E were significantly decreased, which indicated that EC cells can be further suppressed by using α-bisabolol and radiotherapy. It is also demonstrated in our study that the rate of apoptotic cells is markedly increased in EC by using these two treatments. The significant decrease in X-linked inhibitor of apoptosis protein (XIAP) and increase in caspase-3 detected in our study suggested that the enhancement of apoptosis is mediated by XIAP/caspase-3 pathway, which was further confirmed by examining the downstream effectors of caspase-3, COX-2, PARP and cleaved PARP. In the present study, we demonstrated that α-bisabolol could enhance the sensitivity of EC cells to radiotherapy, which provide a novel alternative for overcoming radioresistance of EC cells and achieving a better outcome in radiotherapy.
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26
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Wilches I, Jiménez-Castillo P, Cuzco N, Clos MV, Jiménez-Altayó F, Peñaherrera E, Jerves-Andrade L, Tobar V, Vander Heyden Y, Leon-Tamariz F, Vila E. Anti-inflammatory and sedative activities of Peperomia galioides: in vivo studies in mice. Nat Prod Res 2019; 35:1657-1661. [PMID: 31140298 DOI: 10.1080/14786419.2019.1622104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Aerial parts (leaves, flowers, stem) of Peperomia galioides extract administered to mice, was used to confirm its anti-inflammatory and sedative folk uses. The anti-inflammatory activity was assessed by croton oil-induced ear oedema and myeloperoxidase (acute inflammation); cotton pellet-induced granuloma (sub-acute inflammation) and Escherichia coli Lipopolysaccharide (LPS) induced inflammation (cellular mediators). The sedative activity was studied by the pentobarbital-induced sleeping time test. Single doses (300 and 600 mg/kg; i.p.) of the extract reduced croton oil-induced ear oedema and myeloperoxidase activity. Six days administration of the extract (300 mg/kg, i.p.) to mice implanted with cotton pellets diminished granuloma formation. LPS (20 mg/kg, i.p.) enhanced plasma nitrites and TNF-α levels that were inhibited by the extract. The duration but not the onset of sleeping time was enhanced by 300 and 600 mg/kg of the extract. Our results show that P. galioides has anti-inflammatory and sedative activities in mice, which validates its traditional use.
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Affiliation(s)
- Isabel Wilches
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador
| | | | - Nancy Cuzco
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador
| | - M Victoria Clos
- Departament de Farmacologia i Terapèutica, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Francesc Jiménez-Altayó
- Departament de Farmacologia i Terapèutica, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Eugenia Peñaherrera
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador
| | - Lourdes Jerves-Andrade
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador
| | - Vladimiro Tobar
- Department of Biosciences, Faculty of Engineering, University of Cuenca, Cuenca, Ecuador
| | - Yvan Vander Heyden
- Department Analytical Chemistry and Pharmaceutical Technology, Vrije Universiteit Brussels-VUB, Brussels, Belgium
| | - Fabián Leon-Tamariz
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador
| | - Elisabet Vila
- Department of Biosciences, Faculty of Chemiscal Sciences, University of Cuenca, Cuenca, Ecuador.,Departament de Farmacologia i Terapèutica, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
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27
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Jin M, Xiao Z, Zhang S, Men X, Li X, Zhang B, Zhou T, Hsiao CD, Liu K. Possible involvement of Fas/FasL-dependent apoptotic pathway in α-bisabolol induced cardiotoxicity in zebrafish embryos. CHEMOSPHERE 2019; 219:557-566. [PMID: 30553216 DOI: 10.1016/j.chemosphere.2018.12.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/05/2018] [Accepted: 12/07/2018] [Indexed: 06/09/2023]
Abstract
α-Bisabolol, an unsaturated monocyclic sesquiterpene alcohol, is a common ingredient in many pharmaceuticals and personal care products (PPCPs). Despite being widely used, little is known about its toxic effects on organisms and aquatic environment. In this study, we investigated the developmental toxicity of α-Bisabolol, especially its effects on the cardiac development using zebrafish embryos as a model. Embryos at 4 h post-fertilization (hpf) were exposed to 10, 30, 50, 70, 90, and 100 μM α-Bisabolol until 144 hpf. α-Bisabolol caused phenotypic defects and the most striking one is the heart malformation. Treatment of α-Bisabolol significantly increased the cardiac malformation rate, the SV-BA distance, as well as the pericardial edema area, and reduced heart rate in a concentration-dependent manner. Notably, considerable numbers of apoptotic cells were mainly observed in the heart region of zebrafish treated with α-Bisabolol. Further study on α-Bisabolol induced apoptosis in the zebrafsh heart suggested that an activation of Fas/FasL-dependent apoptotic pathway. Taken together, our study investigated the cardiotoxicity of α-Bisabolol on zebrafish embryonic development and its underlying molecular mechanism, shedding light on the full understanding of α-Bisabolol toxicity on living organisms and its environmental impact.
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Affiliation(s)
- Meng Jin
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China.
| | - Zhixin Xiao
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China
| | - Shanshan Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China
| | - Xiao Men
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Laoshan District, Qingdao, 266101, Shandong Province, PR China
| | - Xia Li
- Yinfeng Cryomedicine Technology Co., Ltd, 1109 Gang Xin San Road, Jinan, 250103, Shandong Province, PR China
| | - Baoyue Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China
| | - Tianxia Zhou
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li, Taiwan
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Jinan, 250103, Shandong Province, PR China.
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28
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Khayyal MT, Kreuter MH, Kemmler M, Altmann P, Abdel-Naby DH, El-Ghazaly MA. Effect of a chamomile extract in protecting against radiation-induced intestinal mucositis. Phytother Res 2019; 33:728-736. [PMID: 30632234 DOI: 10.1002/ptr.6263] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/02/2018] [Accepted: 11/27/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Mohamed T Khayyal
- Department of Pharmacology, Faculty of Pharmacy, Cairo University, Giza, Egypt
| | | | - Michael Kemmler
- Alpinia Laudanum Institute of Phytopharmaceutical Sciences, Walenstadt, Switzerland
| | - Peter Altmann
- Alpinia Laudanum Institute of Phytopharmaceutical Sciences, Walenstadt, Switzerland
| | - Doaa H Abdel-Naby
- Department of Drug Radiation Research, National Centre for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
| | - Mona A El-Ghazaly
- Department of Drug Radiation Research, National Centre for Radiation Research and Technology, Atomic Energy Authority, Cairo, Egypt
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29
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(-)-α-bisabolol prevents neuronal damage and memory deficits through reduction of proinflammatory markers induced by permanent focal cerebral ischemia in mice. Eur J Pharmacol 2018; 842:270-280. [PMID: 30287152 DOI: 10.1016/j.ejphar.2018.09.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 09/26/2018] [Accepted: 09/27/2018] [Indexed: 01/06/2023]
Abstract
The pathophysiology of ischemic stroke involves multiple events such as inflammation and oxidative stress which will lead to neuronal death and cognitive deficits. The (-)-α-bisabolol is a monocyclic sesquiterpene alcohol found in various plants and mainly in Matricaria chamomilla, which exerts antioxidant, anti-inflammatory, and anti-apoptotic activities. The aim of this work was to investigate the neuroprotective effects of (-)-α-bisabolol in mice underwent permanent occlusion of the middle cerebral artery (pMCAO). Animals were treated with (-)-α-bisabolol (50, 100 and 200 mg/kg/day, orally) or vehicle (3% tween 80) one day before and 1 h after pMCAO and the treatment continued once daily for the following five days. The treatment with (-)-α-bisabolol (100 and 200 mg/kg) significantly reduced the infarcted area and neurological deficits caused by pMCAO. (-)-α-bisabolol at the 200 mg/kg dose increased cell viability and decreased neuronal degeneration, as evaluated by cresyl violet and Fluoro-Jade C stainings, respectively. (-)-α-bisabolol also increased the locomotor activity which was reduced by cerebral ischemia and improved pMCAO-induced working, spatial, object recognition, and aversive memories deficits. (-)-α-bisabolol (200 mg/kg) significantly prevented the increase of myeloperoxidase (MPO) activity, TNF-α immunoreactivity in the temporal cortex, and the increase of iNOS both in the temporal cortex and in the striatum. (-)-α-bisabolol treatment also prevented astrogliosis in these areas. These data showed that (-)-α-bisabolol provides neuroprotective action probably due to its anti-inflammatory activity, although other mechanisms cannot be discarded.
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Alves Gomes Albertti L, Delatte TL, Souza de Farias K, Galdi Boaretto A, Verstappen F, van Houwelingen A, Cankar K, Carollo CA, Bouwmeester HJ, Beekwilder J. Identification of the Bisabolol Synthase in the Endangered Candeia Tree ( Eremanthus erythropappus (DC) McLeisch). FRONTIERS IN PLANT SCIENCE 2018; 9:1340. [PMID: 30294334 PMCID: PMC6158398 DOI: 10.3389/fpls.2018.01340] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 08/24/2018] [Indexed: 06/08/2023]
Abstract
Candeia (Eremanthus erythropappus (DC) McLeisch, Asteraceae) is a Brazilian tree, mainly occurring in the cerrado areas. From ethnobotanical information its essential oil is known to have wound healing and nociceptive properties. These properties are ascribed to result from a sesquiterpene alcohol, (-)-α-bisabolol, which is present at high concentrations in this oil. Bisabolol is highly valued by the cosmetic industry because of its antibacterial, anti-inflammatory, skin-smoothing and wound healing properties. Over the past decades, Candeia timber has been collected at large scale for bisabolol extraction from wild reserves and the species is thereby at risk of extinction. To support the development of breeding and nursing practices that would facilitate sustainable cultivation of Candeia, we identified a terpene synthase gene, EeBOS1, that appears to control biosynthesis (-)-α-bisabolol in the plant. Expression of this gene in E. coli showed that EeBOS1 protein is capable of producing (-)-α-bisabolol from farnesyl pyrophosphate in vitro. Analysis of gene expression in different tissues from Candeia plants in different life stages showed a high correlation of EeBOS1 expression and accumulation of (-)-α-bisabolol. This work is the first step to unravel the pathway toward (-)-α-bisabolol in Candeia, and in the further study of the control of (-)-α-bisabolol production.
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Affiliation(s)
- Leticia Alves Gomes Albertti
- Laboratório de Evolução e Biodiversidade Evolutiva, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Thierry L. Delatte
- Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, Netherlands
| | - Katyuce Souza de Farias
- Laboratório Productos Natural & Espectrometria Massas, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Amanda Galdi Boaretto
- Laboratório Productos Natural & Espectrometria Massas, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Francel Verstappen
- Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, Netherlands
| | | | | | - Carlos Alexandre Carollo
- Laboratório Productos Natural & Espectrometria Massas, Universidade Federal de Mato Grosso do Sul, Campo Grande, Brazil
| | - Harro J. Bouwmeester
- Laboratory of Plant Physiology, Wageningen University & Research, Wageningen, Netherlands
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Nuutinen T. Medicinal properties of terpenes found in Cannabis sativa and Humulus lupulus. Eur J Med Chem 2018; 157:198-228. [PMID: 30096653 DOI: 10.1016/j.ejmech.2018.07.076] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 12/12/2022]
Abstract
Cannabaceae plants Cannabis sativa L. and Humulus lupulus L. are rich in terpenes - both are typically comprised of terpenes as up to 3-5% of the dry-mass of the female inflorescence. Terpenes of cannabis and hops are typically simple mono- and sesquiterpenes derived from two and three isoprene units, respectively. Some terpenes are relatively well known for their potential in biomedicine and have been used in traditional medicine for centuries, while others are yet to be studied in detail. The current, comprehensive review presents terpenes found in cannabis and hops. Terpenes' medicinal properties are supported by numerous in vitro, animal and clinical trials and show anti-inflammatory, antioxidant, analgesic, anticonvulsive, antidepressant, anxiolytic, anticancer, antitumor, neuroprotective, anti-mutagenic, anti-allergic, antibiotic and anti-diabetic attributes, among others. Because of the very low toxicity, these terpenes are already widely used as food additives and in cosmetic products. Thus, they have been proven safe and well-tolerated.
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Affiliation(s)
- Tarmo Nuutinen
- Department of Environmental and Biological Sciences, Univerisity of Eastern Finland (UEF), Finland; Department of Physics and Mathematics, UEF, Finland.
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32
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St-Gelais A, Roger B, Alsarraf J, Legault J, Massé D, Pichette A. Aromas from Quebec. VI. Morella pensylvanica from the Magdalen Islands: a (-)-α-bisabolol-rich oil featuring a new bisabolane ether. JOURNAL OF ESSENTIAL OIL RESEARCH 2018. [DOI: 10.1080/10412905.2018.1470039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
| | - Benoit Roger
- Laboratoire d’analyse et de séparation des essences végétales (LASEVE), Département des sciences fondamentales, Université du Québec à Chicoutimi , Saguenay, Canada
| | - Jérôme Alsarraf
- Laboratoire d’analyse et de séparation des essences végétales (LASEVE), Département des sciences fondamentales, Université du Québec à Chicoutimi , Saguenay, Canada
| | - Jean Legault
- Laboratoire d’analyse et de séparation des essences végétales (LASEVE), Département des sciences fondamentales, Université du Québec à Chicoutimi , Saguenay, Canada
| | - Dany Massé
- Laboratoire PhytoChemia Inc. , Saguenay, Canada
| | - André Pichette
- Laboratoire d’analyse et de séparation des essences végétales (LASEVE), Département des sciences fondamentales, Université du Québec à Chicoutimi , Saguenay, Canada
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33
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Amora-Silva BF, Ribeiro SC, Vieira CL, Mendes FR, Vieira-Neto AE, Abdon APV, Costa FN, Campos AR. Clinical efficacy of new α-bisabolol mouthwashes in postoperative complications of maxillofacial surgeries: a randomized, controlled, triple-blind clinical trial. Clin Oral Investig 2018; 23:577-584. [DOI: 10.1007/s00784-018-2464-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 04/19/2018] [Indexed: 12/20/2022]
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34
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Marques FM, Figueira MM, Schmitt EFP, Kondratyuk TP, Endringer DC, Scherer R, Fronza M. In vitro anti-inflammatory activity of terpenes via suppression of superoxide and nitric oxide generation and the NF-κB signalling pathway. Inflammopharmacology 2018; 27:281-289. [DOI: 10.1007/s10787-018-0483-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/09/2018] [Indexed: 01/11/2023]
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35
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Ortiz MI, Cariño-Cortés R, Ponce-Monter HA, Castañeda-Hernández G, Chávez-Piña AE. Pharmacological interaction of α-bisabolol and diclofenac on nociception, inflammation, and gastric integrity in rats. Drug Dev Res 2017; 79:29-37. [DOI: 10.1002/ddr.21418] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 11/26/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Mario I. Ortiz
- Área Académica de Medicina del Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Raquel Cariño-Cortés
- Área Académica de Medicina del Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Héctor A. Ponce-Monter
- Área Académica de Medicina del Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Gilberto Castañeda-Hernández
- Departamento de Farmacología; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional; Ciudad de México Mexico
| | - Aracely Evangelina Chávez-Piña
- Laboratorio de Farmacología, Programa Institucional en Biomedicina Molecular; Escuela Nacional de Medicina y Homeopatía del Instituto Politécnico Nacional; Ciudad de México Mexico
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36
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Botanical Complementary and Alternative Medicine for Pruritus: a Systematic Review. CURRENT DERMATOLOGY REPORTS 2017. [DOI: 10.1007/s13671-017-0200-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Ortiz MI, Cariño-Cortés R, Ponce-Monter HA, González-García MP, Castañeda-Hernández G, Salinas-Caballero M. Synergistic Interaction ofMatricaria ChamomillaExtract with Diclofenac and Indomethacin on Carrageenan-Induced Paw Inflammation in Rats. Drug Dev Res 2017; 78:360-367. [DOI: 10.1002/ddr.21401] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 07/18/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Mario I. Ortiz
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Raquel Cariño-Cortés
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Héctor A. Ponce-Monter
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Martha P. González-García
- Área Académica de Medicina del Instituto de Ciencias de la Salud. Universidad Autónoma del Estado de Hidalgo; Pachuca Hidalgo Mexico
| | - Gilberto Castañeda-Hernández
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional; Ciudad de México Mexico
| | - Mireya Salinas-Caballero
- Unidad Corporativa de Farmacovigilancia, Laboratorios Sanfer S.A. de C.V. Ciudad de Mexico; Mexico
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D'Almeida APL, Pacheco de Oliveira MT, de Souza ÉT, de Sá Coutinho D, Ciambarella BT, Gomes CR, Terroso T, Guterres SS, Pohlmann AR, Silva PM, Martins MA, Bernardi A. α-bisabolol-loaded lipid-core nanocapsules reduce lipopolysaccharide-induced pulmonary inflammation in mice. Int J Nanomedicine 2017; 12:4479-4491. [PMID: 28684908 PMCID: PMC5484570 DOI: 10.2147/ijn.s130798] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a severe clinical condition of respiratory failure due to an intense inflammatory response with different etiologies. Despite all efforts, therapy remains limited, and ARDS is still associated with high mortality and morbidity. Plants can provide a vast source of active natural products for the discovery of new drugs. α-bisabolol (α-bis), a constituent of the essential oil from chamomile, has elicited pharmacological interest. However, the molecule has some limitations to its biological application. This study was conducted to develop a drug delivery system using lipid-core nanocapsules (LNCs) to improve the anti-inflammatory effects of orally administered α-bis. α-bis-loaded LNCs (α-bis-LNCs) were prepared by interfacial deposition of poly(ε-caprolactone) and orally administered in a mouse model of ARDS triggered by an intranasal administration of lipopolysaccharide (LPS). We found that α-bis-LNCs (30, 50, and 100 mg kg-1) significantly reduced airway hyperreactivity (AHR), neutrophil infiltration, myeloperoxidase activity, chemokine levels (KC and MIP-2), and tissue lung injury 18 hours after the LPS challenge. By contrast, free α-bis failed to modify AHR and neutrophil accumulation in the bronchoalveolar lavage effluent and lung parenchyma and inhibited elevation in the myeloperoxidase and MIP-2 levels only at the highest dose. Furthermore, only α-bis-LNCs reduced LPS-induced changes in mitogen-activated protein kinase signaling, as observed by a significant reduction in phosphorylation levels of ERK1/2, JNK, and p38 proteins. Taken together, our results clearly show that by using LNCs, α-bis was able to decrease LPS-induced inflammation. These findings may be explained by the robust increase of α-bis concentration in the lung tissue that was achieved by the LNCs. Altogether, these results indicate that α-bis-LNCs should further be investigated as a potential alternative for the treatment of ARDS.
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Affiliation(s)
- Ana Paula L D'Almeida
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | | | - Éverton T de Souza
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Diego de Sá Coutinho
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Bianca T Ciambarella
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Cristiano R Gomes
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Thatiana Terroso
- Pharmaceutical Sciences Post-Graduation Program, College of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Sílvia S Guterres
- Pharmaceutical Sciences Post-Graduation Program, College of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Adriana R Pohlmann
- Department of Organic Chemistry, Institute of Chemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Patrícia Mr Silva
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Marco A Martins
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Andressa Bernardi
- Laboratory of Inflammation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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Chirumbolo S, Bjørklund G. The sesquiterpene α-bisabolol in the adipocyte-cancer desmoplastic crosstalk: does it have an action on epithelial-mesenchymal transition mechanisms? Int J Clin Oncol 2017; 22:222-228. [PMID: 27942879 DOI: 10.1007/s10147-016-1072-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 12/02/2016] [Indexed: 12/12/2022]
Abstract
Alpha-bisabolol is a plant-derived sesquiterpene alcohol recently associated with a supposed anti-cancer action due to its ability to induce BID-related apoptosis. The molecule, which enters the cell through lipid rafts, may also interact with kisspeptin receptor 1, which has recently been associated with tumor mobility and invasiveness. This evidence suggests the possibility that α-bisabolol might act on the epithelial-mesenchymal transition mechanism, closely associated with the desmoplastic reaction of adipose tissue surrounding a pancreatic ductal adenocarcinoma. This review addresses the issue on the basis of the most recent reported literature in the field.
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Affiliation(s)
- Salvatore Chirumbolo
- Department of Neurological and Movement Sciences, University of Verona, Strada Le Grazie 9, Verona, Italy.
- CONEM Scientific Secretary, Mo i Rana, Norway.
| | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Mo i Rana, Norway
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Barreto RSS, Quintans JSS, Amarante RKL, Nascimento TS, Amarante RS, Barreto AS, Pereira EWM, Duarte MC, Coutinho HDM, Menezes IRA, Zengin G, Aktumsek A, Quintans-Júnior LJ. Evidence for the involvement of TNF-α and IL-1β in the antinociceptive and anti-inflammatory activity of Stachys lavandulifolia Vahl. (Lamiaceae) essential oil and (-)-α-bisabolol, its main compound, in mice. JOURNAL OF ETHNOPHARMACOLOGY 2016; 191:9-18. [PMID: 27292196 DOI: 10.1016/j.jep.2016.06.022] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 06/03/2016] [Accepted: 06/07/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Stachys lavandulifolia Vahl (Lamiaceae) is a medicinal plant widely used in Turkey and Iranian folk medicine due to its analgesic and anti-inflammatory properties, but little is known about its essential oil. AIM OF THIS STUDY We studied the antinociceptive and anti-inflammatory effects of S. lavandulifolia essential oil (EOSl) and (-)-α-bisabolol (BIS), its main compound, in algogen-induced orofacial nociceptive behavior in mice, and assessed the possible involvement of pro-inflammatory cytokines in these profiles. MATERIALS AND METHODS The GC-FID and GC-MS analysis of EOSl demonstrated the presence of (-)-α-bisabolol (56.4%), bicyclogermacrene (5.3%), δ-cadinene (4.2%) and spathulenol (2.9%) as the main compounds. Male Swiss mice were pretreated with EOSl (25 or 50mg/kg, p.o.), BIS (25 or 50mg/kg, p.o.), morphine (3mg/kg, i.p.) or vehicle (saline 0.9% with two drops of tween 80, 0.2%), before formalin- (20μl, 2%), capsaicin- (20μl, 2.5µg) or glutamate- (20μl, 25Mm) injection into the right upper lip (perinasal area) in mice. The anti-inflammatory profile of EOSl or BIS (50mg/kg) was assessed by the inflammatory response induced by carrageenan (2% in 0.2mL) in mice (pleurisy model). RESULTS Our results showed that p.o. treatment with EOSl and BIS displayed significant inhibitory (p<0.05 or p<0.01 or p<0.001) effects in different orofacial pain tests on mice, but BIS proved to be more effective, significantly reducing nociceptive behavior in all tests including both phases of the formalin test. The analgesic effect is not related to any abnormality since EOSl- or BIS-treated mice exhibited no performance alteration in grip strength. Moreover, EOS1 and BIS exhibited a significant anti-inflammatory effect (p<0.001) in the pleurisy model of inflammation, which seems to be related to a significant reduction (p<0.05) of the pro-inflammatory cytokine TNF-α in BIS treatment, and of the pro-inflammatory cytokine IL-1β (p<0.01) in EOS1 treatment. CONCLUSION Our results corroborate the use of S. lavandulifolia in traditional medicine as an analgesic and anti-inflammatory, which seems to be related to (-)-α-Bisabolol, the main compound of EOSl.
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Affiliation(s)
- Rosana S S Barreto
- Department of Health Education (Lagarto Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil; Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Jullyana S S Quintans
- Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Ruthy K L Amarante
- Department of Health Education (Lagarto Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil; Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Tainá S Nascimento
- Department of Health Education (Lagarto Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil; Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Rosana S Amarante
- Department of Health Education (Lagarto Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil; Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - André S Barreto
- Department of Health Education (Lagarto Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil; Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Erik W M Pereira
- Department of Physiology, Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Marcelo C Duarte
- Department of Pharmacy (São Cristóvão Campus), Federal University of Sergipe, Lagarto or São Cristóvão, Sergipe, Brazil
| | - Henrique D M Coutinho
- Department of Biological Chemistry, Laboratory of Pharmacology and Molecular Chemistry, Regional University of Cariri-URCA, Crato-CE, Brazil
| | - Irwin R A Menezes
- Department of Biological Chemistry, Laboratory of Pharmacology and Molecular Chemistry, Regional University of Cariri-URCA, Crato-CE, Brazil
| | - Gokhan Zengin
- Science Faculty, Department of Biology, Selcuk University, Konya, Turkey
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Ortiz MI, Fernández-Martínez E, Soria-Jasso LE, Lucas-Gómez I, Villagómez-Ibarra R, González-García MP, Castañeda-Hernández G, Salinas-Caballero M. Isolation, identification and molecular docking as cyclooxygenase (COX) inhibitors of the main constituents of Matricaria chamomilla L. extract and its synergistic interaction with diclofenac on nociception and gastric damage in rats. Biomed Pharmacother 2016; 78:248-256. [DOI: 10.1016/j.biopha.2016.01.029] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 01/18/2016] [Accepted: 01/20/2016] [Indexed: 12/27/2022] Open
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Sarmento-Neto JF, do Nascimento LG, Felipe CFB, de Sousa DP. Analgesic Potential of Essential Oils. Molecules 2015; 21:E20. [PMID: 26703556 PMCID: PMC6273222 DOI: 10.3390/molecules21010020] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 11/25/2015] [Accepted: 11/26/2015] [Indexed: 12/16/2022] Open
Abstract
Pain is an unpleasant sensation associated with a wide range of injuries and diseases, and affects approximately 20% of adults in the world. The discovery of new and more effective drugs that can relieve pain is an important research goal in both the pharmaceutical industry and academia. This review describes studies involving antinociceptive activity of essential oils from 31 plant species. Botanical aspects of aromatic plants, mechanisms of action in pain models and chemical composition profiles of the essential oils are discussed. The data obtained in these studies demonstrate the analgesic potential of this group of natural products for therapeutic purposes.
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Affiliation(s)
- José Ferreira Sarmento-Neto
- Departamento de Ciências Farmacêuticas, Universidade Federal da Paraíba, CEP 58.051-900 João Pessoa-PB, Brazil.
| | - Lázaro Gomes do Nascimento
- Departamento de Ciências Farmacêuticas, Universidade Federal da Paraíba, CEP 58.051-900 João Pessoa-PB, Brazil.
| | | | - Damião Pergentino de Sousa
- Departamento de Ciências Farmacêuticas, Universidade Federal da Paraíba, CEP 58.051-900 João Pessoa-PB, Brazil.
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Satyal P, Shrestha S, Setzer WN. Composition and Bioactivities of an (E)-β-Farnesene Chemotype of Chamomile (Matricaria Chamomilla) Essential Oil from Nepal. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000835] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The essential oil of Matricaria chamomilla, collected from Nepal, was obtained by hydrodistillation and analyzed by gas chromatography – mass spectrometry. The major components in Nepalese chamomile oil were ( E)-β-farnesene (42.2%), α-bisabolol oxide A (22.3%), ( E,E)-α-farnesene (8.3%), cis-bicycloether (5.0%), α-bisabolol oxide B (4.5%), and α-bisabolone oxide A (4.0%). A cluster analysis based on the chemical compositions of 48 samples of chamomile oil reported in the literature has revealed seven chemotypes, and the oil from Nepal represents the ( E)-β-farnesene chemotype. The chamomile oil was screened for antimicrobial activity against Bacillus cereus, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, and Aspergillus niger, and toxicity toward MCF-7 breast tumor cells, Artemia salina, Chaoborus plumicornis, Caenorhabditis elegans, and Drosophila melanogaster.
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Affiliation(s)
- Prabodh Satyal
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - Samon Shrestha
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - William N. Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
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44
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Liu XB, Yang BX, Zhang L, Lu YZ, Gong MH, Tian JK. An in vivo and in vitro assessment of the anti-inflammatory, antinociceptive, and immunomodulatory activities of Clematis terniflora DC. extract, participation of aurantiamide acetate. JOURNAL OF ETHNOPHARMACOLOGY 2015; 169:287-294. [PMID: 25910534 DOI: 10.1016/j.jep.2015.04.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 03/13/2015] [Accepted: 04/10/2015] [Indexed: 06/04/2023]
Abstract
AIM Clematis terniflora DC. has been widely used as a traditional Chinese medicine for the treatment of tonsillitis, rheumatoid arthritis, and prostatitis. Despite its widespread use in China, there are currently no studies systematically examined its therapeutic effects and mechanism of action. As such, the present study was conducted to evaluate the anti-inflammatory, antinociceptive, and immunomodulatory effects of C. terniflora DC. using rodent and cellular models. METHODS The anti-inflammatory properties of the 70% ethanol eluted fraction of the 70% ethanol extract of C. terniflora DC. (EECTD) were evaluated using the xylene-induced ear swelling test, the carrageenan-induced edema model, and the cotton pellet granuloma method. Its antinociceptive activities were determined using both the acetic acid-induced writhing test and the hot plate assay. In parallel, we conducted an in vitro assay in LPS-induced RAW264.7 cells to examine the anti-inflammatory effects of EECTD and its purified form, aurantiamide acetate (AA) on inhibition of nitric oxide (NO) and prostaglandin E2 (PGE2) release. RESULTS EECTD (300mg/kg) significantly reduced the number of writhing, extended the pain response latency, and suppressed xylene-induced ear swelling. Each EECTD treatment group also had significant inhibition of cotton granulation formation in addition to reduced carrageenan-induced paw edema. EECTD was also shown to alleviate signs of inflammation in histopathological paw sections. However, it had a less noticeable effect on mouse ear swelling in the delayed type hypersensitivity test. A purified compound was isolated from EECTD and its structure was identified as AA. In vitro experimental results showed that both EECTD and AA were able to significantly inhibit the release of pro-inflammatory cytokines NO and PGE2 on LPS-induced RAW264.7 cells. CONCLUSION These results suggest that EECTD has significant anti-inflammatory and antinociceptive activities, partially related to one of the active substances identified as AA. We hypothesize that these effects are related to its ability to inhibit the production of cytokines NO and PGE2. However, further work will be needed to determine its exact mechanism of action.
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Affiliation(s)
- X B Liu
- College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China; Clinical Pharmaceutical Research Institute, Hunan Cancer Hospital/Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, Hunan, China.
| | - B X Yang
- College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - L Zhang
- College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Y Z Lu
- College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - M H Gong
- Changshu Qiushi Technology Co. Ltd., Changshu 215500, Jiangsu, China
| | - J K Tian
- College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China.
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Corpas-López V, Morillas-Márquez F, Navarro-Moll MC, Merino-Espinosa G, Díaz-Sáez V, Martín-Sánchez J. (-)-α-Bisabolol, a Promising Oral Compound for the Treatment of Visceral Leishmaniasis. JOURNAL OF NATURAL PRODUCTS 2015; 78:1202-1207. [PMID: 26076227 DOI: 10.1021/np5008697] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The aim of the present study was to assess the in vitro and in vivo activity of (-)-α-bisabolol (1) against the etiological agents of visceral leishmaniasis. Bone-marrow-derived macrophages were infected with Leishmania infantum or L. donovani promastigotes and incubated with (-)-α-bisabolol at different concentrations. Pentamidine isethionate and meglumine antimoniate were used as reference drugs. Inhibitory concentration 50% (IC50) and cytotoxic concentration 50% (CC50) were calculated. Balb/c mice were infected intraperitoneally with stationary-phase promastigotes. They were treated with (-)-α-bisabolol at different doses orally, meglumine antimoniate at 104 mg Sb(V)/kg, or a combination of both. (-)-α-Bisabolol proved to be innocuous to mammal cells and active against L. infantum and L. donovani intracellular amastigotes (IC50 55 and 39 μM, respectively). Compound 1 also proved to be active in an in vivo model of visceral leishmaniasis due to L. infantum, as it reduced parasite load in the spleen and liver by 71.60% and 89.22%, respectively, at 200 mg/kg without showing toxicity. (-)-α-Bisabolol (1) is a nontoxic compound that was proven to be active against visceral leishmaniasis in an in vivo murine model orally. It was more effective than meglumine antimoniate at reducing spleen parasite load and as effective as this antimonial drug in the liver.
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Affiliation(s)
- Victoriano Corpas-López
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - Francisco Morillas-Márquez
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - M Concepción Navarro-Moll
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - Gemma Merino-Espinosa
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - Victoriano Díaz-Sáez
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
| | - Joaquina Martín-Sánchez
- †Departamento de Parasitología and ‡Departamento de Farmacología, Facultad de Farmacia, Universidad de Granada, Granada, Spain
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Tuong W, Walker L, Sivamani RK. Novel Use of Terpenoids for Treatment of Dermatologic Diseases: A Systematic Review of Clinical Trials. J Altern Complement Med 2015; 21:261-8. [DOI: 10.1089/acm.2014.0273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- William Tuong
- Department of Dermatology, University of California, Davis, School of Medicine, Sacramento, CA
| | - Lauren Walker
- Department of Cell Biology, Neuroscience and Stem Cell Center & Environmental Toxicology Graduate Program, University of California Riverside, College of Natural and Agricultural Sciences, Riverside, CA
| | - Raja K. Sivamani
- Department of Dermatology, University of California, Davis, School of Medicine, Sacramento, CA
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Li X, Jiang J, Shi S, Bligh SWA, Li Y, Jiang Y, Huang D, Ke Y, Wang S. A RG-II type polysaccharide purified from Aconitum coreanum alleviates lipopolysaccharide-induced inflammation by inhibiting the NF-κB signal pathway. PLoS One 2014; 9:e99697. [PMID: 24927178 PMCID: PMC4057409 DOI: 10.1371/journal.pone.0099697] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Accepted: 05/17/2014] [Indexed: 01/08/2023] Open
Abstract
Korean mondshood root polysaccharides (KMPS) isolated from the root of Aconitum coreanum (Lévl.) Rapaics have shown anti-inflammatory activity, which is strongly influenced by their chemical structures and chain conformations. However, the mechanisms of the anti-inflammatory effect by these polysaccharides have yet to be elucidated. A RG-II polysaccharide (KMPS-2E, Mw 84.8 kDa) was isolated from KMPS and its chemical structure was characterized by FT-IR and NMR spectroscopy, gas chromatography-mass spectrometry and high-performance liquid chromatography. The backbone of KMPS-2E consisted of units of [→6) -β-D-Galp (1→3)-β-L-Rhap-(1→4)-β-D-GalpA-(1→3)-β-D-Galp-(1→] with the side chain →5)-β-D-Arap (1→3, 5)-β-D-Arap (1→ attached to the backbone through O-4 of (1→3,4)-L-Rhap. T-β-D-Galp is attached to the backbone through O-6 of (1→3,6)-β-D-Galp residues and T-β-D-Ara is connected to the end group of each chain. The anti-inflammatory effects of KMPS-2E and the underlying mechanisms using lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages and carrageenan-induced hind paw edema were investigated. KMPS-2E (50, 100 and 200 µg/mL) inhibits iNOS, TLR4, phospho-NF-κB-p65 expression, phosphor-IKK, phosphor-IκB-α expression as well as the degradation of IκB-α and the gene expression of inflammatory cytokines (TNF-α, IL-1β, iNOS and IL-6) mediated by the NF-κB signal pathways in macrophages. KMPS-2E also inhibited LPS-induced activation of NF-κB as assayed by electrophorectic mobility shift assay (EMSA) in a dose-dependent manner and it reduced NF-κB DNA binding affinity by 62.1% at 200 µg/mL. In rats, KMPS-2E (200 mg/kg) can significantly inhibit carrageenan-induced paw edema as ibuprofen (200 mg/kg) within 3 h after a single oral dose. The results indicate that KMPS-2E is a promising herb-derived drug against acute inflammation.
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Affiliation(s)
- Xiaojun Li
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- The MOE Key Laboratory for Standardization of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiaye Jiang
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Songshan Shi
- The MOE Key Laboratory for Standardization of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, China
| | - S. W. Annie Bligh
- Department of Complementary Medicine, Faculty of Science and Technology, University of Westminster, Westminster, United Kingdom
| | - Yuan Li
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yongbo Jiang
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Dan Huang
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yan Ke
- Teaching Experimental Center, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shunchun Wang
- The MOE Key Laboratory for Standardization of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, China
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Oliveira FDA, Andrade LN, de Sousa EBV, de Sousa DP. Anti-ulcer activity of essential oil constituents. Molecules 2014; 19:5717-47. [PMID: 24802985 PMCID: PMC6290561 DOI: 10.3390/molecules19055717] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 04/18/2014] [Accepted: 04/25/2014] [Indexed: 12/14/2022] Open
Abstract
Essential oils have attracted considerable worldwide attention over the last few decades. These natural products have wide-ranging pharmacological activities and biotechnological applications. Faced with the need to find new anti-ulcer agents and the great effort on the development of drugs for the treatment of ulcers, in this review, the anti-ulcer activities of 21 bioactive compounds found in essential oils are discussed.
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Affiliation(s)
| | - Luciana Nalone Andrade
- Universidade Federal de Sergipe, Departamento de Farmácia, São Cristóvão, SE 49100-000, Brazil
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Liang Y, Liu HH, Chen YJ, Sun H. Antitumor Activity of the Protein and Small Molecule Component Fractions from Agrocybe aegerita Through Enhancement of Cytokine Production. J Med Food 2014; 17:439-46. [DOI: 10.1089/jmf.2013.2846] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yi Liang
- Department of Clinical Immunology, Guangdong Medical College, Dongguan, China
| | - Hong-Hong Liu
- The College of Life Sciences, Wuhan University, Wuhan, China
| | - Yi-Jie Chen
- The College of Life Sciences, Wuhan University, Wuhan, China
| | - Hui Sun
- The College of Life Sciences, Wuhan University, Wuhan, China
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Avonto C, Wang M, Chittiboyina AG, Avula B, Zhao J, Khan IA. Hydroxylated bisabolol oxides: evidence for secondary oxidative metabolism in Matricaria chamomilla. JOURNAL OF NATURAL PRODUCTS 2013; 76:1848-1853. [PMID: 24070008 DOI: 10.1021/np4003349] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
German chamomile (Matricaria chamomilla) is one of the most popular medicinal plants used in Western herbal medicine. Among the various phytochemicals present in the essential oil of the flowers of German chamomile, bisabolol and its oxidized metabolites are considered as marker compounds for distinguishing different chemotypes. These compounds are influential in mediating the aroma of the essential oil of M. chamomilla and contribute to the therapeutic properties (anti-inflammatory, antibacterial, insecticidal, and antiulcer) of this species. In order to find other possible bisabolol derivatives as marker compounds for authentication of German chamomile in botanical and commercial products, an in-depth investigation using a GC-assisted fractionation procedure was performed on nonpolar fractions. As a result of this approach, three new hydroxylated derivatives of bisabolol oxides A and B (1-3) have been isolated from M. chamomilla. Plausible biogenetic pathways are presented.
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Affiliation(s)
- Cristina Avonto
- National Center for Natural Products Research, The University of Mississippi , Mississippi 38677, United States
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