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Gazzola M, Flamand N, Bossé Y. [Extracellular molecules controlling the contraction of airway smooth muscle and their potential contribution to bronchial hyperresponsiveness]. Rev Mal Respir 2020; 37:462-473. [PMID: 32487422 DOI: 10.1016/j.rmr.2020.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/12/2020] [Indexed: 02/06/2023]
Abstract
INTRODUCTION A significant portion of symptoms in some lung diseases results from an excessive constriction of airways due to the contraction of smooth muscle and bronchial hyperresponsiveness. A better understanding of the extracellular molecules that control smooth muscle contractility is necessary to identify the underlying causes of the problem. STATE OF KNOWLEDGE Almost a hundred molecules, some of which newly identified, influence the contractility of airway smooth muscle. While some molecules activate the contraction, others activate the relaxation, thus acting directly as bronchoconstrictors and bronchodilators, respectively. Other molecules do not affect contraction directly but rather influence it indirectly by modifying the effect of bronchoconstrictors and bronchodilators. These are called bronchomodulators. Some of these bronchomodulators increase the contractile effect of bronchoconstrictors and could thus contribute to bronchial hyperresponsiveness. PROSPECTS Considering the high number of molecules potentially involved, as well as the level of functional overlap between some of them, identifying the extracellular molecules responsible for excessive airway constriction in a patient is a major contemporary challenge.
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Affiliation(s)
| | | | - Y Bossé
- Université Laval, Québec, Canada.
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Abohalaka R, Bozkurt TE, Nemutlu E, Onder SC, Sahin-Erdemli I. The effects of fatty acid amide hydrolase and monoacylglycerol lipase inhibitor treatments on lipopolysaccharide-induced airway inflammation in mice. Pulm Pharmacol Ther 2020; 62:101920. [PMID: 32416152 DOI: 10.1016/j.pupt.2020.101920] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 04/07/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022]
Abstract
Cannabinoids and the endocannabinoid system significantly contributes to the airway inflammation. Fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL) are two main enzymes responsible for the metabolism of the endocannabinoids anandamide (AEA) and 2-arachydonoyl glycerol (2-AG), respectively. In the present study, we aimed to investigate the effects of local and systemic FAAH and MAGL inhibitor treatments in experimental airway inflammation and tracheal hyperreactivity in mice. Airway inflammation was induced by intranasal (i.n.) lipopolysaccharide (LPS) application (60 μl; 0,1 mg/ml in PBS) to mice and the control group received PBS. Systemic (intraperitoneal (i.p.)) or local (i.n.) FAAH inhibitor URB597 and MAGL inhibitor JZL184 treatments were administered 1h before LPS/PBS application. Fourty 8 h after LPS/PBS application, tracheas were removed to assess airway reactivity, and the lungs and bronchoalveolar lavage (BAL) fluids were isolated for histopathological evaluation, cytokine and endocannabinoid measurements. LPS application lead to an increase in 5-hydroxytryptamine (5-HT) contractions in isolated tracheal rings while carbachol contractions remained unchanged. The increased 5-HT contractions were prevented by both systemic and local URB597 and JZL184 treatments. Systemic treatment with URB597 and JZL184, and local treatment with JZL184 reduced peribronchial and paranchymal inflammation in the LPS group while i.n. application of URB597 worsened the inflammation in the lungs. Systemic URB597 treatment increased lung AEA level whereas it had no effect on 2-AG level. However, JZL184 treatment increased 2-AG level by either systemic or local application, and also elevated AEA level. Inflammation-induced increase in neutrophil numbers was only prevented by systemic URB597 treatment. However, both URB597 and JZL184 treatments abolished the increased TNF-α level either they are administered systemically or locally. These results indicate that FAAH and MAGL inhibition may have a protective effect in airway inflammation and airway hyperreactivity, and therefore their therapeutic potential for airway diseases should be further investigated.
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Affiliation(s)
- Reshed Abohalaka
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Ankara, Turkey
| | - Turgut Emrah Bozkurt
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Ankara, Turkey.
| | - Emirhan Nemutlu
- Hacettepe University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey
| | - Sevgen Celik Onder
- Hacettepe University, Faculty of Medicine, Department of Pathology, Ankara, Turkey
| | - Inci Sahin-Erdemli
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Ankara, Turkey
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Bozkurt TE. Endocannabinoid System in the Airways. Molecules 2019; 24:E4626. [PMID: 31861200 PMCID: PMC6943521 DOI: 10.3390/molecules24244626] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/12/2019] [Accepted: 12/15/2019] [Indexed: 12/12/2022] Open
Abstract
Cannabinoids and the mammalian endocannabinoid system is an important research area of interest and attracted many researchers because of their widespread biological effects. The significant immune-modulatory role of cannabinoids has suggested their therapeutic use in several inflammatory conditions. Airways are prone to environmental irritants and stimulants, and increased inflammation is an important process in most of the respiratory diseases. Therefore, the main strategies for treating airway diseases are suppression of inflammation and producing bronchodilation. The ability of cannabinoids to induce bronchodilation and modify inflammation indicates their importance for airway physiology and pathologies. In this review, the contribution of cannabinoids and the endocannabinoid system in the airways are discussed, and the existing data for their therapeutic use in airway diseases are presented.
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Affiliation(s)
- Turgut Emrah Bozkurt
- Department of Pharmacology, Faculty of Pharmacy, Hacettepe University, Ankara 06100, Turkey
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Bozkurt TE, Kaya Y, Durlu-Kandilci NT, Onder S, Sahin-Erdemli I. The effect of cannabinoids on dinitrofluorobenzene-induced experimental asthma in mice. Respir Physiol Neurobiol 2016; 231:7-13. [PMID: 27216000 DOI: 10.1016/j.resp.2016.05.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 05/13/2016] [Accepted: 05/20/2016] [Indexed: 10/21/2022]
Abstract
Cannabinoids have anti-inflammatory effects and can produce bronchodilation in the airways. We have investigated the effects of cannabinoids on tracheal hyperreactivity and airway inflammation in dinitrofluorobenzene (DNFB)-induced experimental non-atopic asthma in mice. 5-hydroxytryptamine (5-HT)-induced contraction response was enhanced while carbachol- and electrical field stimulation-induced contractions, and isoprenaline-induced relaxation responses were remained unchanged in DNFB group. The increased 5-HT-induced contractions were inhibited by incubation with either atropine or tetrodotoxin. DNFB application resulted in increased macrophage number in the bronchoalveolar lavage fluid (BALF). In vivo ACEA (CB1 agonist) treatment prevented the increase in 5-HT contractions, while JWH133 (CB2 agonist) had no effect. However, neither ACEA nor JWH133 prevented the increase in macrophage number in BALF. In vitro ACEA incubation also inhibited the increase in 5-HT contraction in DNFB group. These results show that cannabinoid CB1 receptor agonist can prevent tracheal hyperreactivity to 5-HT in DNFB-induced non-atopic asthma in mice.
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Affiliation(s)
- Turgut Emrah Bozkurt
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Sihhiye, Ankara 06100, Turkey.
| | - Yesim Kaya
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Sihhiye, Ankara 06100, Turkey
| | | | - Sevgen Onder
- Hacettepe University, Faculty of Medicine, Department of Pathology, Sihhiye, Ankara 06100, Turkey
| | - Inci Sahin-Erdemli
- Hacettepe University, Faculty of Pharmacy, Department of Pharmacology, Sihhiye, Ankara 06100, Turkey
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Bozkurt TE, Larsson O, Adner M. Stimulation of cannabinoid CB1 receptors prevents nerve-mediated airway hyperreactivity in NGF-induced inflammation in mouse airways. Eur J Pharmacol 2016; 776:132-8. [DOI: 10.1016/j.ejphar.2016.02.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 02/11/2016] [Accepted: 02/15/2016] [Indexed: 10/22/2022]
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Makwana R, Venkatasamy R, Spina D, Page C. The Effect of Phytocannabinoids on Airway Hyper-Responsiveness, Airway Inflammation, and Cough. J Pharmacol Exp Ther 2015; 353:169-80. [DOI: 10.1124/jpet.114.221283] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Grassin-Delyle S, Naline E, Buenestado A, Faisy C, Alvarez JC, Salvator H, Abrial C, Advenier C, Zemoura L, Devillier P. Cannabinoids inhibit cholinergic contraction in human airways through prejunctional CB1 receptors. Br J Pharmacol 2014; 171:2767-77. [PMID: 24467410 DOI: 10.1111/bph.12597] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 12/11/2013] [Accepted: 01/08/2014] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Marijuana smoking is widespread in many countries, and the use of smoked synthetic cannabinoids is increasing. Smoking a marijuana joint leads to bronchodilation in both healthy subjects and asthmatics. The effects of Δ(9) -tetrahydrocannabinol and synthetic cannabinoids on human bronchus reactivity have not previously been investigated. Here, we sought to assess the effects of natural and synthetic cannabinoids on cholinergic bronchial contraction. EXPERIMENTAL APPROACH Human bronchi isolated from 88 patients were suspended in an organ bath and contracted by electrical field stimulation (EFS) in the presence of the phytocannabinoid Δ(9) -tetrahydrocannabinol, the endogenous 2-arachidonoylglycerol, the synthetic dual CB1 and CB2 receptor agonists WIN55,212-2 and CP55,940, the synthetic, CB2 -receptor-selective agonist JWH-133 or the selective GPR55 agonist O-1602. The receptors involved in the response were characterized by using selective CB1 and CB2 receptor antagonists (SR141716 and SR144528 respectively). KEY RESULTS Δ(9) -tetrahydrocannabinol, WIN55,212-2 and CP55,940 induced concentration-dependent inhibition of cholinergic contractions, with maximum inhibitions of 39, 76 and 77% respectively. JWH-133 only had an effect at high concentrations. 2-Arachidonoylglycerol and O-1602 were devoid of any effect. Only CB1 receptors were involved in the response because the effects of cannabinoids were antagonized by SR141716, but not by SR144528. The cannabinoids did not alter basal tone or contractions induced by exogenous Ach. CONCLUSIONS AND IMPLICATIONS Activation of prejunctional CB1 receptors mediates the inhibition of EFS-evoked cholinergic contraction in human bronchus. This mechanism may explain the acute bronchodilation produced by marijuana smoking.
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Affiliation(s)
- S Grassin-Delyle
- Laboratoire de Pharmacologie Respiratoire, UPRES EA220, Hôpital Foch, Suresnes, France; Laboratoire de Pharmacologie-Toxicologie, Hôpital Raymond Poincaré, Garches, France
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van Diepen H, Schlicker E, Michel MC. Prejunctional and peripheral effects of the cannabinoid CB1 receptor inverse agonist rimonabant (SR 141716). Naunyn Schmiedebergs Arch Pharmacol 2008; 378:345-69. [DOI: 10.1007/s00210-008-0327-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2008] [Accepted: 06/23/2008] [Indexed: 02/06/2023]
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Abstract
Cannabinoids are cell membrane-derived signalling molecules that are released from nerves, blood cells and endothelial cells, and have diverse biological effects. They act at two distinct types of G-protein-coupled receptors, cannabinoid CB(1) and CB(2) receptors. Cannabinoid CB(1) receptors are highly localised in the central nervous system and are also found in some peripheral tissues, and cannabinoid CB(2) receptors are found outside the central nervous system, in particular in association with immune tissues. Novel actions of cannabinoids at non-CB(1) non-CB(2) cannabinoid-like receptors and vanilloid VR1 receptors have also recently been described. There is growing evidence that, among other roles, cannabinoids can act at prejunctional sites to modulate peripheral autonomic and sensory neurotransmission, and the present article is aimed at providing an overview of this. Inhibitory cannabinoid CB(1) receptors are expressed on the peripheral terminals of autonomic and sensory nerves. The role of cannabinoid receptor ligands in modulation of sensory neurotransmission is complex, as certain of these (anandamide, an "endocannabinoid", and N-arachidonoyl-dopamine, an "endovanilloid") also activate vanilloid VR1 receptors (coexpressed with cannabinoid CB(1) receptors), which excites sensory nerves and causes a release of sensory neurotransmitter. The fact that the activities of anandamide and N-arachidonoyl-dopamine span two distinct receptor families raises important questions about cannabinoid/vanilloid nomenclature, and as both compounds are structurally related to the archetypal vanilloid capsaicin, all three are arguably members of the same family of signalling molecules. Anandamide is released from nerves, but unlike classical neurotransmitters, it is not stored in and released from nerve vesicles, but is released on demand from the nerve cell membrane. In the central nervous system, cannabinoids function as retrograde signalling molecules, inhibiting via presynaptic cannabinoid CB(1) receptors the release of classical transmitter following release from the postsynaptic cell. At the neuroeffector junction, it is more likely that cannabinoids are released from prejunctional sites, as the neuroeffector junction is wide in some peripheral tissues and cannabinoids are rapidly taken up and inactivated. Understanding the actions of cannabinoids as modulators of peripheral neurotransmission is relevant to a variety of biological systems and possibly their disorders.
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Affiliation(s)
- Vera Ralevic
- School of Biomedical Sciences, Queen's Medical Centre, University of Nottingham Medical School, Nottingham NG7 2UH, UK.
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Nieri P, Martinotti E, Testai L, Adinolfi B, Calderone V, Breschi MC. R+-methanandamide inhibits tracheal response to endogenously released acetylcholine via capsazepine-sensitive receptors. Eur J Pharmacol 2003; 459:75-81. [PMID: 12505536 DOI: 10.1016/s0014-2999(02)02831-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The effects of cannabinoid drugs on the cholinergic response evoked by electrical field stimulation (0.2 ms pulse width, 20 V amplitude, 10 Hz, 7.5 s train duration) in guinea-pig tracheal preparations were investigated. The stable analogue of the endocannabinoid anandamide, R(+)-methanandamide (10(-7)-10(-4) M), produced a dose-dependent inhibition (up to 27+/-5% of control) of electrical field stimulation-mediated atropine-sensitive response. This effect was not blocked by the selective cannabinoid CB(1) receptor antagonist N-(piperidin-1-yl)-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3 carboxamide hydrochloride (SR 141716A; 10(-6) M), and was not reproduced with the cannabinoid CB(1)/CB(2) receptor agonist R(+)-[2,3-dihydro-5-methyl-[(morpholinyl)methyl]pyrrolo [1,2,3-de]-1,4-benzoxazin-6-yl]-(1-naphthalenyl)methanone mesylate) (WIN 55,212-2; 10(-8)-10(-5) M) or the cannabinoid CB(2) receptor selective agonist 1-propyl-2-methyl-3-(1-naphthoyl)indole (JWH-015; 10(-8)-10(-5) M); it was, on the contrary, antagonized by the vanilloid antagonist 2-[2-(4-chlorophenyl)ethyl-amino-thiocarbonyl]-7,8-dihydroxy-2,3,4,5-tetrahydro-1H-2 benzazepine (capsazepine; 10(-6) M). At the postjunctional level, neither R(+)-methanandamide nor WIN 55,212-2 nor JWH-015 did affect tracheal contractions induced by exogenous acetylcholine (10(-6) M). An inhibitory vanilloid receptor-mediated effect on the cholinergic response evoked by electrical stimulation was confirmed with the vanilloid agonist capsaicin, at doses (3-6 x 10(-8) M) which poorly influenced the basal smooth muscle tone of trachea. In conclusion, our data indicate that in guinea-pig trachea (a) neither CB(1) nor CB(2) cannabinoid receptor-mediated modulation of acetylcholine release occurs; (b) vanilloid VR1-like receptors appear involved in R(+)-methanandamide inhibitory activity on the cholinergic response to electrical field stimulation.
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Affiliation(s)
- Paola Nieri
- Department of Psychiatry, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy.
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Velasco R, Trujillo X, Vásquez C, Huerta M, Trujillo-Hernández B. Effect of Dimethyl Sulfoxide on Excitation-Contraction Coupling in Chicken Slow Skeletal Muscle. J Pharmacol Sci 2003; 93:149-54. [PMID: 14578582 DOI: 10.1254/jphs.93.149] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
To evaluate the suitability of dimethyl sulfoxide (DMSO) as a solvent for muscle-contraction studies in the chicken, its effect on the slow muscle contracture induced by high-K(+) solution was explored using the anterior latissimus dorsi (ALD) muscle from one-week-old chicks. Measurements were made of isometric tension and various characteristics of the contractures [peak tension, total tension (area under the curve), duration of contraction, drop in tension from peak to plateau, and resting tension], in the presence and absence of DMSO (20 mM). Exposure to DMSO led to a concentration-dependent reduction in resting tension of up to 9 +/- 1.8% (n = 4) with respect to the control. The threshold concentration was 10 mM, and the maximum effect was reached between 20 and 30 mM. The drop in tension from peak to plateau was three times larger in the presence of DMSO (20 mM) than in its absence. At the same concentration, there was a 10 +/- 2.3% increase in the time constant of activation. No significant changes were observed in peak tension or in total tension in the presence of 20 mM DMSO. As a consequence, this type of biological preparation is not suitable for research on muscle contractures involving drugs that must be dissolved in DMSO (at the DMSO concentrations tested here).
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Tyler K, Hillard CJ, Greenwood-Van Meerveld B. Inhibition of small intestinal secretion by cannabinoids is CB1 receptor-mediated in rats. Eur J Pharmacol 2000; 409:207-11. [PMID: 11104836 DOI: 10.1016/s0014-2999(00)00843-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We tested the hypothesis that cannabinoids, acting via a neuronal mechanism of action decrease small intestinal secretion. In vitro electrical stimulation induced ileal secretion in rats, that was attenuated by a cannabinoid receptor agonist, WIN 55212-2, (mesylate(R)-(+)-[2, 3-dihydro-5-methyl-3-[4-morpholino)methyl]pyrrolo-[1,2,3-de]-1, 4-benzoxazin-6-yl](1-naphthyl)methanone) but not its optical isomer WIN 55212-3. The inhibition of secretion induced by WIN 55212-2 was reversed by SR141716A (N-(piperidin-1-yl)-5-(4-chlorophenyl)-1(2, 4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxamide hydrochloride), a cannabinoid CB1 receptor antagonist. An ileal secretory response stimulated by acetylcholine was unaffected by WIN 55212-2. These findings show that cannabinoids inhibit neurally mediated secretion via cannabinoid CB1 receptors. Thus, cannabinoids may have therapeutic potential for diarrhea unresponsive to available therapies.
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Affiliation(s)
- K Tyler
- Oklahoma Foundation for Digestive Research, Basic Science Laboratories, V.A. Medical Center, Research Administration, Rm. 151, 921 N.E. 13th St., Oklahoma City, OK 73104, USA
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De Petrocellis L, Melck D, Bisogno T, Di Marzo V. Endocannabinoids and fatty acid amides in cancer, inflammation and related disorders. Chem Phys Lipids 2000; 108:191-209. [PMID: 11106791 DOI: 10.1016/s0009-3084(00)00196-1] [Citation(s) in RCA: 128] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The long history of the medicinal use of Cannabis sativa and, more recently, of its chemical constituents, the cannabinoids, suggests that also the endogenous ligands of cannabinoid receptors, the endocannabinoids, and, particularly, their derivatives may be used as therapeutic agents. Studies aimed at correlating the tissue and body fluid levels of endogenous cannabinoid-like molecules with pathological conditions have been started and may lead to identify those diseases that can be alleviated by drugs that either mimic or antagonize the action of these substances, or modulate their biosynthesis and degradation. Hints for the therapeutic applications of endocannabinoids, however, can be obtained also from our previous knowledge of marijuana medicinal properties. In this article, we discuss the anti-tumor and anti-inflammatory activity of: (1) the endocannabinoids anandamide (arachidonoylethanolamide) and 2-arachidonoyl glycerol; (2) the bioactive fatty acid amides palmitoylethanolamide and oleamide; and (3) some synthetic derivatives of these compounds, such as the N-acyl-vanillyl-amines. Furthermore, the possible role of cannabimimetic fatty acid derivatives in the pathological consequences of cancer and inflammation, such as cachexia, wasting syndrome, chronic pain and local vasodilation, will be examined.
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Affiliation(s)
- L De Petrocellis
- Istituto di Cibernetica, Consiglio Nazionale delle Ricerche, Via Toiano 6, 80072 Arco Felice, Napoli, Italy
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