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Srebro D, Dožić B, Vučković S, Savić Vujović K, Medić Brkić B, Dožić I, Srebro M. The Interactions of Magnesium Sulfate and Cromoglycate in a Rat Model of Orofacial Pain; The Role of Magnesium on Mast Cell Degranulation in Neuroinflammation. Int J Mol Sci 2023; 24:ijms24076241. [PMID: 37047214 PMCID: PMC10094402 DOI: 10.3390/ijms24076241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Mast cell degranulation impacts the development of pain and inflammation during tissue injury. We investigated the antinociceptive effect of a combination of cromoglycate and magnesium in the orofacial model of pain and the histological profile of the effect of magnesium in orofacial pain. In male Wistar rats, formalin (1.5%, 100 µL) was injected subcutaneously into the right upper lip of rats after cromoglycate and/or magnesium. Pain was measured as the total time spent on pain-related behavior. Toluidine blue staining was used to visualize mast cells under the light microscope. In the formalin test, in phase 1, magnesium antagonized the antinociceptive effect of cromoglycate, while in phase 2, it potentiated or inhibited its effect. Magnesium significantly reduced mast cell degranulation in the acute phase by about 23% and in the second phase by about 40%. Pearson’s coefficient did not show a significant correlation between mast cell degranulation and pain under treatment with magnesium. The cromoglycate–magnesium sulfate combination may prevent the development of inflammatory orofacial pain. The effect of a combination of cromoglycate–magnesium sulfate depends on the nature of the pain and the individual effects of the drugs. Magnesium reduced orofacial inflammation in the periphery, and this effect did not significantly contribute to its analgesic effect.
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Affiliation(s)
- Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Branko Dožić
- Department of Pathology, School of Dental Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11000 Belgrade, Serbia
- Correspondence: or
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Branislava Medić Brkić
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Ivan Dožić
- Department of Biochemistry, School of Dental Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11000 Belgrade, Serbia
| | - Milorad Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
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Srebro D, Dožić B, Savić Vujović K, Medić Brkić B, Vučković S. Magnesium Sulfate Reduces Carrageenan-Induced Rat Paw Inflammatory Edema Via Nitric Oxide Production. Dose Response 2023; 21:15593258231155788. [PMID: 36756149 PMCID: PMC9900672 DOI: 10.1177/15593258231155788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 11/12/2022] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Background Magnesium is an antagonist of the N-methyl-D-aspartate receptor. This study aimed to investigate the anti-edematous effect of magnesium sulfate (MS) in different protocols of use and the possible mechanism of its action. Methods In a rat model of carrageenan-induced paw inflammation, the anti-edematous activity of MS was assessed with a plethysmometer. The effects of the nonselective inhibitor (L-NAME), selective inhibitor of neuronal (L-NPA) and inducible (SMT) nitric oxide synthase on the effects of MS were evaluated. Results MS administered systemically before or after inflammation reduced edema by 30% (5 mg/kg, P < .05) and 55% (30 mg/kg, P < .05). MS administered locally (.5 mg/paw, P < .05) significantly prevented the development of inflammatory edema by 60%. L-NAME, intraperitoneally administered before MS, potentiated (5 mg/kg, P < .05) or reduced (3 mg/kg, P < .05), while in the highest tested dose L-NPA (2 mg/kg, P < .01) and SMT (.015 mg/kg, P < .01) reduced the anti-edematous effect of MS. Conclusions Magnesium is a more effective anti-edematous drug in therapy than for preventing inflammatory edema. The effect of MS is achieved after systemic and local peripheral administration and when MS is administered as a single drug in a single dose. This effect is mediated at least in part via the production of nitric oxide.
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Affiliation(s)
- Dragana Srebro
- Department of Pharmacology,
Clinical Pharmacology and Toxicology, Faculty of Medicine,
University of Belgrade, Belgrade,
Serbia,Dragana Srebro, Department of Pharmacology,
Clinical Pharmacology and Toxicology, Faculty of Medicine, University of
Belgrade, Serbia Dr Subotića-starijeg 1, Belgrade 11129, Serbia.
| | - Branko Dožić
- Department of Pathology, School of
Dental Medicine, University of
Belgrade, Belgrade, Serbia
| | - Katarina Savić Vujović
- Department of Pharmacology,
Clinical Pharmacology and Toxicology, Faculty of Medicine,
University of Belgrade, Belgrade,
Serbia
| | - Branislava Medić Brkić
- Department of Pharmacology,
Clinical Pharmacology and Toxicology, Faculty of Medicine,
University of Belgrade, Belgrade,
Serbia
| | - Sonja Vučković
- Department of Pharmacology,
Clinical Pharmacology and Toxicology, Faculty of Medicine,
University of Belgrade, Belgrade,
Serbia
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Srebro D, Rajković K, Dožić B, Vujović KS, Brkić BM, Milić P, Vučković S. Investigation of the Antinociceptive Activity of the Hydroethanolic Extract of Junglas nigra Leaf by the Tail-Immersion and Formalin Pain Tests in Rats. Dose Response 2022; 20:15593258221119877. [PMID: 36003322 PMCID: PMC9393677 DOI: 10.1177/15593258221119877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/10/2022] [Accepted: 07/23/2022] [Indexed: 11/29/2022] Open
Abstract
Background Juglans (J.) nigra leaf is obtained from a plant that is
used in traditional medicine in some countries to alleviate inflammatory
diseases. Aim The aim of this study was to compare the effects of J. nigra
extract on acute nociceptive and inflammatory pain in rats. Methods Antinociceptive activity was examined in Wistar rats by the tail-immersion
and formalin tests. Motor function was assessed using the rotarod test.
Plant extract was administered intraperitoneally. Results In the tail-immersion test, the maximal antinociceptive effect of the plant
extract (100–330 mg/kg) was about 24–30% and is the result of the effect of
a high concentration of ethanol. In the formalin test, the plant extract
(41.3–330 mg/kg) significantly and dose-dependently inhibited nociception in
both phases of the test with similar maximal effects of about 76% and 85%.
Only the plant extract at the dose of 330 mg/kg caused a significant
time-dependent reduction in time spent on the rotarod. Conclusions In rats, the preventive systemic administration of the hydroethanolic extract
of J. nigra leaf reduced chemically but not thermally
induced pain. Higher efficacy was obtained in pain associated with
inflammation and tissue injury. The antinociceptive effect is dose-dependent
and may be limited by motor impairment.
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Affiliation(s)
- Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina Rajković
- Department of Kruševac, Academy of Educational and Medical Vocational Studies, Krusevac, Serbia
| | - Branko Dožić
- Department of Pathology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Branislava Medić Brkić
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Petar Milić
- Department of Ćuprija, Academy of Educational and Medical Vocational Studies, Cuprija, Serbia
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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Srebro D, Vučković S, Milovanović A, Savić Vujović K, Prostran M. Evaluation of Prophylactic and Therapeutic Effects of Tramadol and Tramadol Plus Magnesium Sulfate in an Acute Inflammatory Model of Pain and Edema in Rats. Front Pharmacol 2018; 9:1326. [PMID: 30505275 PMCID: PMC6250800 DOI: 10.3389/fphar.2018.01326] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 10/29/2018] [Indexed: 12/23/2022] Open
Abstract
Background: Inflammatory pain is the most commonly treated clinical pain, since it develops following trauma or surgery, and accompanies rheumatic or arthritic diseases. Tramadol is one of the most frequently used opioid analgesics in acute and chronic pain of different origin. Magnesium is a widely used dietary supplement that was recently shown to be a safe analgesic drug in different models of inflammatory pain. Aim: This study aimed to evaluate the effects of systemically or locally injected tramadol with/without systemically injected magnesium sulfate in prophylactic or therapeutic protocols of application in a rat model of somatic inflammation. Methods: Inflammation of the rat hind paw was induced by an intraplantar injection of carrageenan (0.1 ml, 0.5%). The antihyperalgesic/antiedematous effects of tramadol (intraperitoneally or intraplantarly injected), and tramadol-magnesium sulfate (subcutaneously injected) combinations were assessed by measuring the changes in paw withdrawal thresholds or paw volume induced by carrageenan. The drugs were administered before or after inflammation induction. Results: Systemically administered tramadol (1.25-10 mg/kg) before or after induction of inflammation reduced mechanical hyperalgesia and edema with a maximal antihyperalgesic/antiedematous effect of about 40-100%. Locally applied tramadol (0.125 mg/paw) better reduced edema (50-100%) than pain (20-50%) during 24 h. Administration of a fixed dose of tramadol (1.25 mg/kg) with different doses of magnesium led to a dose-dependent enhancement and prolongation of the analgesic effect of tramadol both in prevention and treatment of inflammatory pain. Magnesium increases the antiedematous effect of tramadol in the prevention of inflammatory edema while reducing it in treatment. Conclusion: According to results obtained in this animal model, systemic administration of low doses of tramadol and magnesium sulfate given in combination is a potent, effective and relatively safe therapeutic option for prevention and especially therapy of somatic inflammatory pain. The best result is achieved when tramadol is combined with magnesium sulfate at a dose that is equivalent to the average human recommended daily dose and when the drugs are administered when inflammation is maximally developed.
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Affiliation(s)
- Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Aleksandar Milovanović
- Institute of Occupational Health Dr Dragomir Karajovic, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Milica Prostran
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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Preventive treatment with dizocilpine attenuates oedema in a carrageenan model of inflammation: the interaction of glutamatergic and nitrergic signaling. Inflammopharmacology 2018; 27:121-128. [PMID: 30182184 DOI: 10.1007/s10787-018-0526-5] [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] [Received: 07/22/2018] [Accepted: 08/29/2018] [Indexed: 12/31/2022]
Abstract
Dizocilpine is a highly selective and potent non-competitive antagonist of the N-methyl-D-aspartate (NMDA) glutamate receptor. It is well known that dizocilpine has different neuroprotective effects in animal models of pain, epilepsy and oedema during trauma. The search for alternative antiinflammatory drugs is ongoing. We investigated the anti-oedematous effects of dizocilpine and the probable mechanism of action in a rat model that mimics local and persistent inflammation without tissue injury or damage. Male Wistar rats were injected with 100 μL of 0.5% carrageenan to the plantar surface of the hind paw. Anti-oedematous activity was assessed in the carrageenan-induced paw inflammatory oedema test with a plethysmometer. To assess possible mechanisms of dizocilpine action, we examined the effects of the selective inhibitor of neuronal [N-ω-propyl-L-arginine hydrochloride (L-NPA)] and inducible [S-methylisothiourea (SMT)] nitric oxide synthase (NOS). Dizocilpine after systemic (0.0005, 0.005 and 0.02 mg/kg, subcutaneous (s.c.)), but not after local peripheral administration, reduced the paw inflammatory oedema. The effect is not dose dependent, and the highest decrease by about 47% at the time of maximally developed oedema was achieved with 0.005 mg/kg. Intraperitoneally (i.p.) administered L-NPA (0.5, 1 and 2 mg/kg) or SMT (0.005, 0.01 and 0.015 mg/kg) before dizocilpine abolished or reduced the anti-oedematous effect of dizocilpine by about 70-85%. An acute single dose of dizocilpine administered before inducing oedema systemically reduced the development of inflammatory oedema. The mechanism of the anti-oedematous effect includes, at least partially, an increase in nitric oxide (NO) production.
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Winlow W, Polese G, Moghadam HF, Ahmed IA, Di Cosmo A. Sense and Insensibility - An Appraisal of the Effects of Clinical Anesthetics on Gastropod and Cephalopod Molluscs as a Step to Improved Welfare of Cephalopods. Front Physiol 2018; 9:1147. [PMID: 30197598 PMCID: PMC6117391 DOI: 10.3389/fphys.2018.01147] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 07/31/2018] [Indexed: 12/24/2022] Open
Abstract
Recent progress in animal welfare legislation stresses the need to treat cephalopod molluscs, such as Octopus vulgaris, humanely, to have regard for their wellbeing and to reduce their pain and suffering resulting from experimental procedures. Thus, appropriate measures for their sedation and analgesia are being introduced. Clinical anesthetics are renowned for their ability to produce unconsciousness in vertebrate species, but their exact mechanisms of action still elude investigators. In vertebrates it can prove difficult to specify the differences of response of particular neuron types given the multiplicity of neurons in the CNS. However, gastropod molluscs such as Aplysia, Lymnaea, or Helix, with their large uniquely identifiable nerve cells, make studies on the cellular, subcellular, network and behavioral actions of anesthetics much more feasible, particularly as identified cells may also be studied in culture, isolated from the rest of the nervous system. To date, the sorts of study outlined above have never been performed on cephalopods in the same way as on gastropods. However, criteria previously applied to gastropods and vertebrates have proved successful in developing a method for humanely anesthetizing Octopus with clinical doses of isoflurane, i.e., changes in respiratory rate, color pattern and withdrawal responses. However, in the long term, further refinements will be needed, including recordings from the CNS of intact animals in the presence of a variety of different anesthetic agents and their adjuvants. Clues as to their likely responsiveness to other appropriate anesthetic agents and muscle relaxants can be gained from background studies on gastropods such as Lymnaea, given their evolutionary history.
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Affiliation(s)
- William Winlow
- Department of Biology, University of Naples Federico II, Naples, Italy
- Institute of Ageing and Chronic Diseases, University of Liverpool, Liverpool, United Kingdom
- NPC Newton, Preston, United Kingdom
| | - Gianluca Polese
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Hadi-Fathi Moghadam
- Department of Physiology, Faculty of Medicine, Physiology Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Anna Di Cosmo
- Department of Biology, University of Naples Federico II, Naples, Italy
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Song X, Zhong X, Tang K, Wu G, Jiang Y. Serum magnesium levels and lung cancer risk: a meta-analysis. World J Surg Oncol 2018; 16:137. [PMID: 30001198 PMCID: PMC6044008 DOI: 10.1186/s12957-018-1447-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 07/05/2018] [Indexed: 01/11/2023] Open
Abstract
Background Whether serum magnesium levels were lower in patients with lung cancer than that in healthy controls is controversial. The aim of this study was to identify and synthesize all citations evaluating the relationship between serum magnesium levels and lung cancer. Methods We searched PubMed, WanFang, China National Knowledge Internet (CNKI), and SinoMed databases for relevant studies before December 31, 2017. Two authors independently selected studies, extracted data, and assessed risk of bias. Results Eleven citations comprising 707 cases with lung cancer and 7595 healthy controls were included in our study. Serum magnesium levels were not significantly lower in patients with lung cancer [summary SMD = 0.193, 95%CI = − 1.504 to 1.890] when compared to health controls, with significant heterogeneity (I2 = 99.6%, P < 0.001) found. Negative associations were found among Asian populations [summary SMD = 0.229, 95%CI = − 1.637 to 2.094] and European populations [summary SMD = − 0.168, 95%CI = − 0.482 to 0.147]. No publication bias was found using the test of Egger and funnel plot. Conclusions Our study suggested that serum magnesium levels had no significant association on lung cancer risk.
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Affiliation(s)
- Xinghui Song
- Department of respiration, the First Affiliated Hospital of Guangxi Medical University, N0.6 Shuangyong Road, Nanning, 530021, Guangxi, China
| | - Xiaoning Zhong
- Department of respiration, the First Affiliated Hospital of Guangxi Medical University, N0.6 Shuangyong Road, Nanning, 530021, Guangxi, China.
| | - Kaijiang Tang
- Department of rheumatism, Liuzhou Worker's Hospital, Liuzhou, 545005, Guangxi, China
| | - Gang Wu
- Department of neurosurgery, Liuzhou General Hospital, Liuzhou, 545006, Guangxi, China
| | - Yin Jiang
- Department of rheumatism, Liuzhou Worker's Hospital, Liuzhou, 545005, Guangxi, China
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