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Roberts BM, Geddis AV, Ciuciu A, Reynoso M, Mehta N, Varanoske AN, Kelley AM, Walker RJ, Munoz R, Kolb AL, Staab JS, Naimo MA, Tomlinson RE. Acetaminophen influences musculoskeletal signaling but not adaptations to endurance exercise training. FASEB J 2024; 38:e23586. [PMID: 38568858 DOI: 10.1096/fj.202302642r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/01/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
Acetaminophen (ACE) is a widely used analgesic and antipyretic drug with various applications, from pain relief to fever reduction. Recent studies have reported equivocal effects of habitual ACE intake on exercise performance, muscle growth, and risks to bone health. Thus, this study aimed to assess the impact of a 6-week, low-dose ACE regimen on muscle and bone adaptations in exercising and non-exercising rats. Nine-week-old Wistar rats (n = 40) were randomized to an exercise or control (no exercise) condition with ACE or without (placebo). For the exercise condition, rats ran 5 days per week for 6 weeks at a 5% incline for 2 min at 15 cm/s, 2 min at 20 cm/s, and 26 min at 25 cm/s. A human equivalent dose of ACE was administered (379 mg/kg body weight) in drinking water and adjusted each week based on body weight. Food, water intake, and body weight were measured daily. At the beginning of week 6, animals in the exercise group completed a maximal treadmill test. At the end of week 6, rats were euthanized, and muscle cross-sectional area (CSA), fiber type, and signaling pathways were measured. Additionally, three-point bending and microcomputer tomography were measured in the femur. Follow-up experiments in human primary muscle cells were used to explore supra-physiological effects of ACE. Data were analyzed using a two-way ANOVA for treatment (ACE or placebo) and condition (exercise or non-exercise) for all animal outcomes. Data for cell culture experiments were analyzed via ANOVA. If omnibus significance was found in either ANOVA, a post hoc analysis was completed, and a Tukey's adjustment was used. ACE did not alter body weight, water intake, food intake, or treadmill performance (p > .05). There was a treatment-by-condition effect for Young's Modulus where placebo exercise was significantly lower than placebo control (p < .05). There was no treatment by condition effects for microCT measures, muscle CSA, fiber type, or mRNA expression. Phosphorylated-AMPK was significantly increased with exercise (p < .05) and this was attenuated with ACE treatment. Furthermore, phospho-4EBP1 was depressed in the exercise group compared to the control (p < .05) and increased in the ACE control and ACE exercise group compared to placebo exercise (p < .05). A low dose of ACE did not influence chronic musculoskeletal adaptations in exercising rodents but acutely attenuated AMPK phosphorylation and 4EBP1 dephosphorylation post-exercise.
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Affiliation(s)
- Brandon M Roberts
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Alyssa V Geddis
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Alexandra Ciuciu
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Marinaliz Reynoso
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Nikhil Mehta
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Alyssa N Varanoske
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
- Oak Ridge Institute for Science and Education, Belcamp, Maryland, USA
| | - Alyssa M Kelley
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Raymond J Walker
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Rigoberto Munoz
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Alexander L Kolb
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Jeffery S Staab
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Marshall A Naimo
- Military Performance Division, US Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
| | - Ryan E Tomlinson
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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Erhunmwunse NO, Tongo I, Ezemonye LI. Multiple biomarker responses in female Clarias gariepinus exposed to acetaminophen. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:122437-122457. [PMID: 37973782 DOI: 10.1007/s11356-023-30721-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
Several authors have documented the presences of acetaminophen (APAP) in both surface and groundwater and have received attention from government agencies and basic authorities across the globe. The impacts of such pharmaceutical products on non-target organism like fish are underestimated as a result of selected investigation using few biomarkers. We evaluated the sub-chronic impacts of APAP in female catfish (Clarias gariepinus) using multiple biomarkers. The exposure of female catfish to APAP induced oxidative stress. Markers such as superoxide dismutase (SOD), glutathione peroxidase (GPx), and total antioxidant capacity (TAC) were significantly higher in all exposed groups. Exposure of Clarias gariepinus to APAPA caused histological alterations in the gills (fusion and shortening of some filaments, hyperplasia of the epithelial gill cells, aneurism, congestion, and epithelial rupture of the gills), liver (apoptotic hyperplasia, sinusoidal congestion, and necrosis of the hepatocytes), and gonad (degenerated follicles and ovarian apoptosis). Furthermore, multivariate results indicated that there was a distinct response from the acetaminophen-exposed female catfish, with over 95% of the biomarkers significantly contributing to the discrimination between the acetaminophen-exposed female catfish and the control groups. Our research provides evidence supporting the use of a multiple biomarker approach to evaluate the impacts of drugs on the health status of exposed fish.
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Affiliation(s)
- Nosakhare Osazee Erhunmwunse
- Laboratory for Ecotoxicology and Environmental Forensics, Department of Animal and Environmental Biology, Faculty of Life Sciences, University of Benin, PMB 1154, Benin City, Nigeria.
- Igbinedion University Okada, PMB0001, Okada, Ovia North East LGA, Edo State, Nigeria.
| | - Isioma Tongo
- Laboratory for Ecotoxicology and Environmental Forensics, Department of Animal and Environmental Biology, Faculty of Life Sciences, University of Benin, PMB 1154, Benin City, Nigeria
- Igbinedion University Okada, PMB0001, Okada, Ovia North East LGA, Edo State, Nigeria
| | - Lawrence Ikechukwu Ezemonye
- Laboratory for Ecotoxicology and Environmental Forensics, Department of Animal and Environmental Biology, Faculty of Life Sciences, University of Benin, PMB 1154, Benin City, Nigeria
- Igbinedion University Okada, PMB0001, Okada, Ovia North East LGA, Edo State, Nigeria
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3
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Turones LC, Machado LS, Vaz BG, de Almeida R Oliveira G, da Silva Moreira LK, Almeida DDS, Martins AN, Fajemiroye JO, Martins JLR, Ghedini PC, Campos HM, Dos Santos FCA, da Silva CRB, Lião LM, Gil EDS, Costa EA, Menegatti R. Anti-inflammatory and antinociceptive effects, and safety toxicological profile of a new paracetamol analog, LQFM291. Inflammopharmacology 2023; 31:2451-2465. [PMID: 37667090 DOI: 10.1007/s10787-023-01324-8] [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: 03/08/2023] [Accepted: 06/03/2023] [Indexed: 09/06/2023]
Abstract
In the scope of a research program with the goal of developing treatments for inflammatory diseases, the pharmacological evaluation of LQFM291, designed by molecular hybridization from butylated hydroxytoluene and paracetamol, was described. The antioxidant profile of LQFM291 was evaluated by electrochemical measurement. Also, acute or repeated treatments with equimolar doses to paracetamol were used to evaluate the antinociceptive and/or anti-inflammatory activities of LQFM291 in animal models. The toxicologic potential of LQFM291 was also evaluated and compared to paracetamol through biochemical and histopathological analysis after the repeated treatment schedule. As a result of the acute treatment, paracetamol showed a similar antinociceptive effect in formalin test compared to LQFM291. Whereas, after the repeated treatment, when carrageenan-induced hyperalgesia and edema tests were performed, paracetamol showed a delayed antinociceptive and anti-inflammatory effect compared to LQFM291. Furthermore, as other advantages the LQFM291 showed a high redox capacity, a gastroprotective activity and a safety pharmacological profile without any liver or kidney damage. These effects can be related to the prevention of oxidative stress by reduction of protein and lipid peroxidation in gastric tissue, maintenance of glutathione levels in hepatic homogenate, and a systemic reduction of pro-inflammatory cytokine levels, which may characterize the LQFM291 as a more viable and effective alternative to relief pain and inflammatory signs in patients with chronic disorders.
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Affiliation(s)
- Larissa Córdova Turones
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil.
| | - Lucas S Machado
- Laboratory of Chromatography and Mass Spectrometry, Chemistry Institute, Federal University of Goiás, Campus Colemar Natal e Silva, Goiânia, Brazil
| | - Boniek G Vaz
- Laboratory of Chromatography and Mass Spectrometry, Chemistry Institute, Federal University of Goiás, Campus Colemar Natal e Silva, Goiânia, Brazil
| | | | - Lorrane Kelle da Silva Moreira
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - Dionys de Souza Almeida
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - Aline Nazareth Martins
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - James Oluwagbamigbe Fajemiroye
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - José Luís R Martins
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - Paulo César Ghedini
- Laboratory of Molecular and Biochemical Pharmacology, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Hericles Mesquita Campos
- Laboratory of Molecular and Biochemical Pharmacology, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Fernanda Cristina A Dos Santos
- Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Cinthia Rio Branco da Silva
- Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Luciano M Lião
- Chemistry Institute, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Eric de Souza Gil
- Chemistry Institute, Federal University of Goiás, Campus Samambaia, Goiânia, Brazil
| | - Elson Alves Costa
- Laboratory of Pharmacology of Natural and Synthetic Products, Institute of Biological Sciences, Federal University of Goiás, Room 209, Esperança Avenue, Campus Samambaia, Goiania, 74690-900, Brazil
| | - Ricardo Menegatti
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, Brazil
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Abdi SAH, Ali A, Fatma Sayed S, Ali A, Abadi SSH, Tahir A, Afzal MA, Rashid H, Aly OM, Nagarajan S. Potential of paracetamol for reproductive disruption: Molecular interaction, dynamics and MM-PBSA based In-silico assessment. Toxicol Mech Methods 2022:1-15. [PMID: 36253940 DOI: 10.1080/15376516.2022.2137872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Paracetamol is generally recommended for pain and fever. However, as per experimental and epidemiological data, widespread and irrational or long-term use of paracetamol may be harmful to human endocrine homeostasis, especially during pregnancy. Some researchers suggest that prenatal exposure to paracetamol might alter foetal development and also enhance the risk of reproductive disorders. An imbalance in the levels of these hormones may play a significant role in the emergence of various diseases, including infertility. Therefore, in this study, the interaction mechanism of paracetamol with reproductive hormone receptors was investigated by molecular docking, molecular dynamics (MD) simulations, and poisson-Boltzmann surface area (MM-PBSA) for assessing paracetamol's potency to disrupt reproductive hormones. The results indicate that paracetamol has the ability to interact with reproductive hormone receptors (estrogen 1XP9; 1QKM with binding energy of -5.61 kcal/mol; -5.77 kcal/mol; androgen 5CJ6 -5.63 kcal/mol; and progesterone 4OAR-5.60 kcal/mol) by hydrogen bonds as well as hydrophobic and van der Waals interactions to maintain its stability. In addition, the results of the MD simulations and MM-PBSA confirm that paracetamol and reproductive receptor complexes are stable. This research provides a molecular and atomic level understanding of how paracetamols disrupt reproductive hormone synthesis. The root mean square deviation (RMSD), root mean square fluctuation (RMSF), Radius of Gyration and hydrogen bonding exhibited that paracetamol mimic at various attribute to bisphenol and native ligand.
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Affiliation(s)
- Sayed Aliul Hasan Abdi
- Faculty of Clinical Pharmacy, Department of Pharmacy, Al Baha University, Al Baha 1988, Saudi Arabia
| | - Abuzer Ali
- Department of Pharmacognosy, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Shabihul Fatma Sayed
- Department of Nursing, University College Farasan Campus, Jazan University, Jazan 54943, Saudi Arabia
| | - Amena Ali
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | | | - Abu Tahir
- Hakikullah Chaudhary College of Pharmacy, Gharighat, Gonda, U.P. - 271312, India
| | - Mohammad Amir Afzal
- Basic Biomedical sciences, Sanford School of Medicine, University of South Dakota, Vermillion, South Dakota, USA
| | - Hina Rashid
- Department of Pharmacology and Toxicology, Faculty of pharmacy, Jazan university, KSA
| | - Omar M Aly
- Medicinal Chemistry Department, Faculty of Pharmacy, Minia University, Egypt
| | - Sumathi Nagarajan
- Department of Nursing, University College Farasan Campus, Jazan University, Jazan 54943, Saudi Arabia
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Alirezapour F, Bamdad K, Khanmohammadi A, Ebrahimi N. A computational study on acetaminophen drug complexed with Mn +, Fe 2+, Co +, Ni 2+, and Cu + ions: structural analysis, electronic properties, and solvent effects. J Mol Model 2022; 28:302. [PMID: 36066774 DOI: 10.1007/s00894-022-05305-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 08/30/2022] [Indexed: 11/24/2022]
Abstract
In the present research, the cation-π interactions in acetaminophen-M complexes (M = Mn+, Fe2+, Co+, Ni2+, and Cu+) are investigated using density functional theory (DFT/ωB97XD) in the gas phase and solution. The results show that the absolute values of energy are reduced in going from the gas phase to the solution. Based on the obtained data, the complexes in water are the most stable. The natural bond orbital (NBO) and the atoms in molecules (AIM) analyses are also applied to achieve more details about the nature of interactions. These results are useful for understanding the role of the drug-receptor interactions in the complexes. According to AIM outcomes, the cation-π interactions are the closed-shell and may indicate the partially covalent nature in the complexes. A comprehensive analysis is also performed on the conceptual DFT parameters of the complexes to evaluate their electronic properties. Our findings show increasing the stability and decreasing the reactivity of the complexes in the solution phase with respect to the gas phase. These interactions are ubiquitous in biological systems, and their importance in theoretical models led us to study such important interactions. The results of this study may be useful for the design and synthesis of a variety of supramolecular complexes with the desired properties.
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Affiliation(s)
- Fahimeh Alirezapour
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-4697, Tehran, Iran.
| | - Kourosh Bamdad
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-4697, Tehran, Iran
| | - Azadeh Khanmohammadi
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-4697, Tehran, Iran
| | - Narjes Ebrahimi
- Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-4697, Tehran, Iran
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Moshapo PT, Mkhonazi BD, Mabila EM. Palladium-Catalysed Reductive Aminocarbonylation of Aryl Bromides and Iodides with Nitroarenes. SYNOPEN 2022. [DOI: 10.1055/s-0040-1720041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
AbstractAmide functional groups are a structural feature in a vast array of beneficial organic molecules. This has resulted in a surge in new methodologies developed to enable access to this functional group using a broad range of coupling partners. Herein, we report a palladium-catalysed reductive aminocarbonylation of aryl bromides and iodides with nitroarenes to afford the respective amide products. The developed protocol employs Mo(CO)6 as a carbonyl source and a combination of Zn and TMSCl as co-reducing agents. For most substrates, the anticipated amide products were obtained in modest to high amide product yields.
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Dikkumbura A, Aucoin AV, Ali RO, Dalier A, Gilbert DW, Schneider GJ, Haber LH. Influence of Acetaminophen on Molecular Adsorption and Transport Properties at Colloidal Liposome Surfaces Studied by Second Harmonic Generation Spectroscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3852-3859. [PMID: 35298170 PMCID: PMC8969770 DOI: 10.1021/acs.langmuir.2c00086] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/01/2022] [Indexed: 06/14/2023]
Abstract
Time-resolved second harmonic generation (SHG) spectroscopy is used to investigate acetaminophen (APAP)-induced changes in the adsorption and transport properties of malachite green isothiocyanate (MGITC) dye to the surface of unilamellar 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) liposomes in an aqueous colloidal suspension. The adsorption of MGITC to DOPC liposome nanoparticles in water is driven by electrostatic and dipole-dipole interactions between the positively charged MGITC molecules and the zwitterionic phospholipid membranes. The SHG intensity increases as the added MGITC dye concentration is increased, reaching a maximum as the MGITC adsorbate at the DOPC bilayer interface approaches a saturation value. The experimental adsorption isotherms are fit using the modified Langmuir model to obtain the adsorption free energies, adsorption equilibrium constants, and the adsorbate site densities to the DOPC liposomes both with and without APAP. The addition of APAP is shown to increase MGITC adsorption to the liposome interface, resulting in a larger adsorption equilibrium constant and a higher adsorption site density. The MGITC transport times are also measured, showing that APAP decreases the transport rate across the DOPC liposome bilayer, especially at higher MGITC concentrations. Studying molecular interactions at the colloidal liposome interface using SHG spectroscopy provides a detailed foundation for developing potential liposome-based drug-delivery systems.
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Affiliation(s)
- Asela
S. Dikkumbura
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Alexandra V. Aucoin
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Rasidah O. Ali
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Aliyah Dalier
- Southeastern
Louisiana University, Hammond, Louisiana 70402, United States
| | - Dylan W. Gilbert
- Southeastern
Louisiana University, Hammond, Louisiana 70402, United States
| | - Gerald J. Schneider
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
- Department
of Physics and Astronomy, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
| | - Louis H. Haber
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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Fisher J, Linder A, Calevo MG, Bentzer P. Non-corticosteroid adjuvant therapies for acute bacterial meningitis. Cochrane Database Syst Rev 2021; 11:CD013437. [PMID: 34813078 PMCID: PMC8610076 DOI: 10.1002/14651858.cd013437.pub2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Acute bacterial meningitis is a bacterial infection of the membranes that surround and protect the brain, known as the meninges. The primary therapy for bacterial meningitis is antibiotics and corticosteroids. Although these therapies significantly improve outcomes, bacterial meningitis still has a high risk of death and a high risk of neurological sequelae in survivors. New adjuvant therapies are needed to further reduce the risk of death and neurological sequelae in bacterial meningitis. OBJECTIVES To assess the effects of non-corticosteroid adjuvant pharmacological therapies for mortality, hearing loss, and other neurological sequelae in people with acute bacterial meningitis. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, CINAHL, and LILACS databases and ClinicalTrials.gov and WHO ICTRP trials registers up to 30 September 2021, together with reference checking, citation searching, and contact with study authors to identify additional studies. SELECTION CRITERIA We included randomised controlled trials (RCTs) of any pharmacological adjuvant therapy for acute bacterial meningitis. DATA COLLECTION AND ANALYSIS Two review authors independently assessed and extracted data on methods, participants, interventions, and outcomes. We assessed risk of bias of studies with the Cochrane risk of bias tool and the certainty of the evidence using the GRADE approach. We presented results using risk ratios (RR) and 95% confidence intervals (CI) when meta-analysis was possible. All other results are presented in a narrative synthesis. MAIN RESULTS We found that five different adjuvant therapies have been tested in RCTs for bacterial meningitis. These include paracetamol (3 studies, 1274 participants who were children); immunoglobulins (2 studies, 49 participants; one study included children, and the other adults); heparin (1 study, 15 participants who were adults); pentoxifylline (1 study, 57 participants who were children); and a mixture of succinic acid, inosine, nicotinamide, and riboflavin mononucleotide (1 study, 30 participants who were children). Paracetamol may make little or no difference to mortality (paracetamol 35.2% versus placebo 37.4%, 95% CI 30.3% to 40.8%; RR 0.94, 95% CI 0.81 to 1.09; 3 studies, 1274 participants; I² = 0%; low certainty evidence); hearing loss (RR 1.04, 95% CI 0.80 to 1.34; 2 studies, 901 participants; I² = 0%; low certainty evidence); neurological sequelae other than hearing loss (RR 1.56, 95% CI 0.98 to 2.50; 3 studies, 1274 participants; I² = 60%; low certainty evidence); and severe hearing loss (RR 0.96, 95% CI 0.67 to 1.36; 2 studies, 901 participants; I² = 0%; low certainty evidence). Paracetamol may lead to slightly more short-term neurological sequelae other than hearing loss (RR 1.99, 95% CI 1.40 to 2.81; 2 studies, 1096 participants; I² = 0%; low certainty evidence) and slightly more long-term neurological sequelae other than hearing loss (RR 2.32, 95% CI 1.34 to 4.04; 2 studies, 901 participants; I² = 0%; low certainty evidence). No adverse events were reported in either group in any of the paracetamol studies (very low certainty evidence). Two paracetamol studies had a low risk of bias in most domains, and one had low or unclear risk of bias in all domains. We judged the certainty of evidence to be low for mortality due to limitations in study design (unclear risk of bias in at least one domain and imprecision (high level of uncertainty in absolute effects), and low for all other outcomes due to limitations in study design (unclear risk of bias in at least one domain), and imprecision (low sample size and few events) or inconsistency in effect estimates (heterogeneity). We were not able to perform meta-analysis for any of the other adjuvant therapies due to the limited number of included studies. It is uncertain whether immunoglobulins, heparin, or pentoxifylline improves mortality outcomes due to the very low certainty of the evidence. Zero adverse events were reported for immunoglobulins (very low certainty evidence), and allergic reactions occurred at a rate of 3.3% in participants receiving a mixture of succinic acid, inosine, nicotinamide, and riboflavin mononucleotide (intervention group) (very low certainty evidence). None of our other outcomes (hearing loss, neurological sequelae other than hearing loss, severe hearing loss, and short-term or long-term neurological sequelae other than hearing loss) were reported in these studies, and all of these studies were judged to have a high risk of bias. All reported outcomes for all included adjuvant therapies, other than paracetamol, were graded as very low certainty of evidence due to limitations in study design (unclear or high risk of bias in at least four domains) and imprecision (extremely low sample size and few events). AUTHORS' CONCLUSIONS Few adjuvant therapies for bacterial meningitis have been tested in RCTs. Paracetamol may make little or no difference to mortality, with a high level of uncertainty in the absolute effects (low certainty evidence). Paracetamol may make little or no difference to hearing loss, neurological sequelae other than hearing loss, and severe hearing loss (all low certainty evidence). Paracetamol may lead to slightly more short-term and long-term neurological sequelae other than hearing loss (both outcomes low certainty evidence). There is insufficient evidence to determine whether any of the adjuvant therapies included in this review (paracetamol, immunoglobulins, heparin, pentoxifylline, or a mixture of succinic acid, inosine, nicotinamide, and riboflavin mononucleotide) are beneficial or detrimental in acute bacterial meningitis.
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Affiliation(s)
- Jane Fisher
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Lund, Sweden
| | - Adam Linder
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Lund, Sweden
| | - Maria Grazia Calevo
- Epidemiology, Biostatistics Unit, IRCCS, Istituto Giannina Gaslini, Genoa, Italy
| | - Peter Bentzer
- Department of Anesthesiology and Intensive Care, Lund University, Lund, Sweden
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9
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Parsa FD, Singh D. Commentary on: The Nuts and Bolts of a Successful Non-Narcotic Perioperative Enhanced Recovery After Surgery Protocol. Aesthet Surg J 2021; 41:NP1775-NP1777. [PMID: 34331533 DOI: 10.1093/asj/sjab303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Fereydoun D Parsa
- University of Hawaii, John A. Burns School of Medicine, Honolulu, HI, USA
| | - Dylan Singh
- University of Hawaii, John A. Burns School of Medicine, Honolulu, HI, USA
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10
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Inflammatory biomarkers in very preterm infants during early intravenous paracetamol administration. Early Hum Dev 2021; 161:105464. [PMID: 34536795 DOI: 10.1016/j.earlhumdev.2021.105464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 08/26/2021] [Accepted: 09/02/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND Paracetamol promotes early closure of patent ductus arteriosus (PDA), and it may affect inflammation after preterm birth. OBJECTIVE The aim of this study was to evaluate the association between paracetamol treatment and serum inflammatory biomarkers in very preterm infants with respiratory distress. STUDY DESIGN The infants were randomly assigned to intravenous paracetamol or placebo during the first 4 days of life, and others received a lower dose of paracetamol unblinded. Serum samples were used for the analysis of 10 cytokines, C-reactive protein (CRP) and malondialdehyde (MDA). The impact of paracetamol on the biomarkers was evaluated, based on the levels during the early (<60 h) and the later (60-120 h) postnatal age. RESULTS Altogether, 296 serum samples from 31 paracetamol and 25 placebo group infants were analysed. Paracetamol had no effect on cytokine levels during the first 60 h when most induced PDA contractions took place. Later paracetamol treatment was associated with lower serum levels of several cytokines, including interleukin (IL-) 10, interferon gamma-induced protein (IP-) 10, and monocyte chemoattractant protein-1. CRP levels were lower in the paracetamol group during the early treatment. Amongst the infants who had severe morbidities, MDA was higher (p = .045), regardless of paracetamol treatment. CONCLUSION No significant differences in the cytokine levels were evident between the treatment and placebo groups. However, during early treatment, CRP levels were lower in the paracetamol group. To clarify whether this was due to a decrease in cardiopulmonary distress, or a distinct anti-inflammatory effect, requires further studies.
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11
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Rodrigues JA, Silva S, Cardoso VV, Benoliel MJ, Cardoso E, Coelho MR, Martins A, Almeida CMM. Screening and Seasonal Behavior of Analgesics, Non-steroidal Anti-inflammatory Drugs, and Antibiotics in Two Urban Wastewater Treatment Plants. ENVIRONMENTAL MANAGEMENT 2021; 68:411-425. [PMID: 34269831 DOI: 10.1007/s00267-021-01496-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 06/17/2021] [Indexed: 06/13/2023]
Abstract
Pharmaceutical active compounds (PhACs) belonging to analgesics, antibiotics, and non-steroidal anti-inflammatory drugs (NSAIDs) therapeutic classes were monitored in wastewater influents and effluents from two Portuguese urban wastewater treatment plants (UWWTPs) for 24 months. Both facilities were chosen due to their effluents are discharged in highly touristic and sensitive areas, Tagus river and Ria Formosa coastal lagoon, respectively. Target PhACs, acetaminophen, diclofenac, ibuprofen, naproxen, sulfadiazine, and sulfamethoxazole were measured using solid-phase extraction (SPE) coupled to liquid chromatography tandem mass spectrometry (LC-MS/MS). PhACs occurrence in the influents was higher than 98%, with acetaminophen presenting the highest concentrations, with values between 16.3 µg/L and 124 µg/L. In the effluents, distinct behavior was observed with diclofenac and sulfamethoxazole showing recalcitrant characteristics, whereas acetaminophen, ibuprofen, and naproxen showed removal efficiencies above 95%. Acetaminophen and ibuprofen amount in influents showed consistently higher concentration levels in autumn (in Beirolas and Faro Nw UWWTPs) and winter (only in Beirolas UWWTP) seasons. These seasonal trends were observed to a greater extent in Beirolas UWWTP than in Faro Nw UWWTP. This study enabled the comprehensive definition of a behavior pattern for these target contaminants, contributing to better characterization and build-up a library of PhACs occurrence. It also allowed a robust seasonal profiling of the target compounds due to the high number of samples analyzed by each season and a longer monitoring campaign, making the obtained results more significant.
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Affiliation(s)
- João Aleixo Rodrigues
- Empresa Portuguesa das Águas Livres, S.A.- Direção de Controlo de Qualidade da Água, Lisboa, Portugal
| | - Sofia Silva
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal
| | - Vítor Vale Cardoso
- Empresa Portuguesa das Águas Livres, S.A.- Direção de Controlo de Qualidade da Água, Lisboa, Portugal
| | - Maria João Benoliel
- Empresa Portuguesa das Águas Livres, S.A.- Direção de Controlo de Qualidade da Água, Lisboa, Portugal
| | - Eugénia Cardoso
- Águas do Tejo Atlântico, S.A, Fábrica de Água de Beirolas, Sacavém, Portugal
| | | | | | - Cristina Maria Martins Almeida
- Laboratory of Bromatology and Water Quality, Faculty of Pharmacy, University of Lisbon, Lisboa, Portugal.
- iMed.UL (Institute for Medicines and Pharmaceutical Sciences, Portugal), Faculty of Pharmacy, University of Lisboa, Lisboa, Portugal.
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12
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De Mel JU, Gupta S, Harmon S, Stingaciu L, Roth EW, Siebenbuerger M, Bleuel M, Schneider GJ. Acetaminophen Interactions with Phospholipid Vesicles Induced Changes in Morphology and Lipid Dynamics. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:9560-9570. [PMID: 34328747 PMCID: PMC8359007 DOI: 10.1021/acs.langmuir.1c01458] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/12/2021] [Indexed: 05/28/2023]
Abstract
Acetaminophen (APAP) or paracetamol, despite its wide and common use for pain and fever symptoms, shows a variety of side effects, toxic effects, and overdose effects. The most common form of toxic effects of APAP is in the liver where phosphatidylcholine is the major component of the cell membrane with additional associated functionalities. Although this is the case, the effects of APAP on pure phospholipid membranes have been largely ignored. Here, we used 1,2-di-(octadecenoyl)-sn-glycero-3-phosphocholine (DOPC), a commonly found phospholipid in mammalian cell membranes, to synthesize large unilamellar vesicles to investigate how the incorporation of APAP changes the pure lipid vesicle structure, morphology, and fluidity at different concentrations. We used a combination of dynamic light scattering, small-angle neutron and X-ray scattering (SANS, SAXS), and cryo-TEM for structural characterization, and neutron spin-echo (NSE) spectroscopy to investigate the dynamics. We showed that the incorporation of APAP in the lipid bilayer significantly impacts the spherical phospholipid self-assembly in terms of its morphology and influences the lipid content in the bilayer, causing a decrease in bending rigidity. We observe a decrease in the number of lipids per vesicle by almost 28% (0.06 wt % APAP) and 19% (0.12 wt % APAP) compared to the pure DOPC (0 wt % APAP). Our results showed that the incorporation of APAP reduces the membrane rigidity by almost 50% and changes the spherical unilamellar vesicles into much more irregularly shaped vesicles. Although the bilayer structure did not show much change when observed by SAXS, NSE and cryo-TEM results showed the lipid dynamics change with the addition of APAP in the bilayer, which causes the overall decreased membrane rigidity. A strong effect on the lipid tail motion showed that the space explored by the lipid tails increases by a factor of 1.45 (for 0.06 wt % APAP) and 1.75 (for 0.12 wt % APAP) compared to DOPC without the drug.
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Affiliation(s)
- Judith U. De Mel
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Sudipta Gupta
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Sydney Harmon
- Department
of Chemistry, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Laura Stingaciu
- Neutron
Sciences Directorate, Oak Ridge National
Laboratory (ORNL), P.O.B 2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
| | - Eric W. Roth
- Department
of Materials Science and Engineering and NUANCE Center, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, United States
| | - Miriam Siebenbuerger
- Center
of Advanced Microstructures and Devices, Louisiana State University, 6980 Jefferson Highway, Baton Rouge, Louisiana 70806, United States
| | - Markus Bleuel
- NIST Center
for Neutron Research, National Institute
of Standards and Technology, Gaithersburg, Maryland 20899-8562, United States
| | - Gerald J. Schneider
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
- Department
of Physics & Astronomy, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
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13
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Labib AY, Ammar RM, El-Naga RN, El-Bahy AAZ, Tadros MG, Michel HE. Mechanistic insights into the protective effect of paracetamol against rotenone-induced Parkinson's disease in rats: Possible role of endocannabinoid system modulation. Int Immunopharmacol 2021; 94:107431. [PMID: 33578261 DOI: 10.1016/j.intimp.2021.107431] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/17/2022]
Abstract
Parkinson's disease (PD) is a disabling progressive neurodegenerative disease. So far, PD's treatment remains symptomatic with no curative effects. Aside from its blatant analgesic and antipyretic efficacy, recent studies highlighted the endowed neuroprotective potentials of paracetamol (PCM). To this end: the present study investigated: (1) Possible protective role of PCM against rotenone-induced PD-like neurotoxicity in rats, and (2) the mechanisms underlying its neuroprotective actions including cannabinoid receptors' modulation. A dose-response study was conducted using three doses of PCM (25, 50, and 100 mg/kg/day, i.p.) and their effects on body weight changes, spontaneous locomotor activity, rotarod test, tyrosine hydroxylase (TH) and α-synuclein expression, and striatal dopamine (DA) content were evaluated. Results revealed that PCM (100 mg/kg/day, i.p.) halted PD motor impairment, prevented rotenone-induced weight loss, restored normal histological tissue structure, reversed rotenone-induced reduction in TH expression and striatal DA content, and markedly decreased midbrain and striatal α-synuclein expression in rotenone-treated rats. Accordingly, PCM (100 mg/kg/day, i.p.) was selected for further mechanistic investigations, where it ameliorated rotenone-induced oxidative stress, neuro-inflammation, apoptosis, and disturbed cannabinoid receptors' expression. In conclusion, our findings imply a multi-target neuroprotective effect of PCM in PD which could be attributed to its antioxidant, anti-inflammatory and anti-apoptotic activities, in addition to cannabinoid receptors' modulation.
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Affiliation(s)
- Aya Yassin Labib
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Heliopolis University for Sustainable Development, Cairo, Egypt
| | - Ramy M Ammar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Reem N El-Naga
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Alshaymaa Amin Zaki El-Bahy
- Department of Pharmacology and Toxicology, School of Pharmaceutical Science, University of Hertfordshire, Hosted by Global Academic Foundation, New Administrative City, Egypt
| | - Mariane G Tadros
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Haidy E Michel
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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14
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Ni YA, Chen H, Nie H, Zheng B, Gong Q. HMGB1: An overview of its roles in the pathogenesis of liver disease. J Leukoc Biol 2021; 110:987-998. [PMID: 33784425 DOI: 10.1002/jlb.3mr0121-277r] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 01/06/2021] [Accepted: 02/04/2021] [Indexed: 12/15/2022] Open
Abstract
High-mobility group box 1 (HMGB1) is an abundant architectural chromosomal protein that has multiple biologic functions: gene transcription, DNA replication, DNA-damage repair, and cell signaling for inflammation. HMGB1 can be released passively by necrotic cells or secreted actively by activated immune cells into the extracellular milieu after injury. Extracellular HMGB1 acts as a damage-associated molecular pattern to initiate the innate inflammatory response to infection and injury by communicating with neighboring cells through binding to specific cell-surface receptors, including Toll-like receptors (TLRs) and the receptor for advanced glycation end products (RAGE). Numerous studies have suggested HMGB1 to act as a key protein mediating the pathogenesis of chronic and acute liver diseases, including nonalcoholic fatty liver disease, hepatocellular carcinoma, and hepatic ischemia/reperfusion injury. Here, we provide a detailed review that focuses on the role of HMGB1 and HMGB1-mediated inflammatory signaling pathways in the pathogenesis of liver diseases.
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Affiliation(s)
- Yuan-Ao Ni
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China
| | - Hui Chen
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China
| | - Hao Nie
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China
| | - Bing Zheng
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China
| | - Quan Gong
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, Hubei Province, People's Republic of China
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15
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Karaarslan N, Yilmaz I, Sirin DY. Toxicity of the acetyl-para-aminophenol group of medicines to intact intervertebral disc tissue cells. Exp Ther Med 2021; 21:147. [PMID: 33456514 PMCID: PMC7791924 DOI: 10.3892/etm.2020.9578] [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: 07/25/2020] [Accepted: 11/06/2020] [Indexed: 11/21/2022] Open
Abstract
The present study aimed to investigate the effects of paracetamol, an analgesic and antipyretic that is used in emergency departments and neurosurgery departments for postoperative pain management on intervertebral disc tissue. Paracetamol-treated human primary cell cultures and untreated cell cultures were compared using molecular analyses. Cell proliferation and gene expression were statistically analyzed. Cell proliferation was suppressed on days 10 (P=0.05) and 20 (P<0.05) in the paracetamol-treated groups. Gene expression of chondroadherin, matrix metalloproteinase (MMP)-7, MMP-13 and MMP-19 was higher in the paracetamol-treated samples while gene expression of Cartilage Oligomeric Matrix Protein and interleukin-1β was lower (P<0.05). Paracetamol, which appears innocuous compared with many analgesics, may increase the expression of MMPs, which serve a significant role in catabolic reactions and suppress the proliferation of intact intervertebral disc tissue cells.
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Affiliation(s)
- Numan Karaarslan
- Department of Neurosurgery, School of Medicine, Namik Kemal University, Tekirdag 59100, Turkey
| | - Ibrahim Yilmaz
- Department of Medical Pharmacology, School of Medicine, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Duygu Yasar Sirin
- Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Namik Kemal University, Tekirdag 59100, Turkey
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16
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Jaeschke H, Murray FJ, Monnot AD, Jacobson-Kram D, Cohen SM, Hardisty JF, Atillasoy E, Hermanowski-Vosatka A, Kuffner E, Wikoff D, Chappell GA, Bandara SB, Deore M, Pitchaiyan SK, Eichenbaum G. Assessment of the biochemical pathways for acetaminophen toxicity: Implications for its carcinogenic hazard potential. Regul Toxicol Pharmacol 2021; 120:104859. [PMID: 33388367 DOI: 10.1016/j.yrtph.2020.104859] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/22/2020] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
In 2019 California's Office of Environmental Health Hazard Assessment (OEHHA) initiated a review of the carcinogenic hazard potential of acetaminophen. In parallel with this review, herein we evaluated the mechanistic data related to the steps and timing of cellular events following therapeutic recommended (≤4 g/day) and higher doses of acetaminophen that may cause hepatotoxicity to evaluate whether these changes indicate that acetaminophen is a carcinogenic hazard. At therapeutic recommended doses, acetaminophen forms limited amounts of N-acetyl-p-benzoquinone-imine (NAPQI) without adverse cellular effects. Following overdoses of acetaminophen, there is potential for more extensive formation of NAPQI and depletion of glutathione, which may result in mitochondrial dysfunction and DNA damage, but only at doses that result in cell death - thus making it implausible for acetaminophen to induce the kind of stable, genetic damage in the nucleus indicative of a genotoxic or carcinogenic hazard in humans. The collective data demonstrate a lack of a plausible mechanism related to carcinogenicity and are consistent with rodent cancer bioassays, epidemiological results reviewed in companion manuscripts in this issue, as well as conclusions of multiple international health authorities.
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Affiliation(s)
- Hartmut Jaeschke
- University of Kansas Medical Center, Department of Pharmacology, Toxicology & Therapeutics, Kansas City, KS, USA
| | | | | | | | - Samuel M Cohen
- University of Nebraska Medical Center, Havlik-Wall Professor of Oncology, Department of Pathology and Microbiology, Omaha, NE, USA
| | - Jerry F Hardisty
- Experimental Pathology Laboratories, Inc., Research Triangle Park, NC, USA
| | | | | | - Edwin Kuffner
- Johnson & Johnson Consumer Health, Fort Washington, PA, USA
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17
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Rajendran ST, Huszno K, Dębowski G, Sotres J, Ruzgas T, Boisen A, Zór K. Tissue-based biosensor for monitoring the antioxidant effect of orally administered drugs in the intestine. Bioelectrochemistry 2020; 138:107720. [PMID: 33333454 DOI: 10.1016/j.bioelechem.2020.107720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/24/2020] [Accepted: 11/23/2020] [Indexed: 12/27/2022]
Abstract
For a better understanding of the effect of drugs and their interaction with cells and tissues, there is a need for in vitro and ex vivo model systems which enables studying these events. There are several in vitro methods available to evaluate the antioxidant activity; however, these methods do not factor in the complex in vivo physiology. Here we present an intestinal tissue modified oxygen electrode, used for the detection of the antioxidant effect of orally administered drugs in the presence of H2O2. Antioxidants are essential in the defense against oxidative stress, more specifically against reactive oxygen species such as H2O2. Due to the presence of native catalase in the intestine, with the tissue-based biosensor we were able to detect H2O2 in the range between 50 and 500 µM. The reproducibility of the sensor based on the calculated relative standard deviations was 15 ± 6%. We found that the O2 production by catalase from H2O2 was reduced in the presence of a well-known antioxidant, quinol. This indirectly detected antioxidant activity was also observed in the case of orally administered drugs with a reported anti-inflammatory effect such as mesalazine and paracetamol, while no antioxidant activity was recorded with aspirin and metformin.
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Affiliation(s)
- Sriram Thoppe Rajendran
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark.
| | - Kinga Huszno
- Department of Biomedical Sciences, Faculty of Health and Society, Malmö University, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, Sweden
| | - Grzegorz Dębowski
- Department of Biomedical Sciences, Faculty of Health and Society, Malmö University, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, Sweden
| | - Javier Sotres
- Department of Biomedical Sciences, Faculty of Health and Society, Malmö University, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, Sweden
| | - Tautgirdas Ruzgas
- Department of Biomedical Sciences, Faculty of Health and Society, Malmö University, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, Sweden
| | - Anja Boisen
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Kinga Zór
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
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18
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Oleaga C, Bridges LR, Persaud K, McAleer CW, Long CJ, Hickman JJ. A functional long-term 2D serum-free human hepatic in vitro system for drug evaluation. Biotechnol Prog 2020; 37:e3069. [PMID: 32829524 DOI: 10.1002/btpr.3069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/13/2020] [Accepted: 08/20/2020] [Indexed: 01/05/2023]
Abstract
Human in vitro hepatic models generate faster drug toxicity data with higher human predictability compared to animal models. However, for long-term studies, current models require the use of serum and 3D architecture, limiting their utility. Maintaining a functional long-term human in vitro hepatic culture that avoids complex structures and serum would improve the value of such systems for preclinical studies. This would also enable a more straightforward integration with current multi-organ devices to study human systemic toxicity to generate an alternative model to chronic animal evaluations. A human primary hepatocyte culture system was characterized for 28 days in 2D and serum-free defined conditions. Under the studied conditions, human primary hepatocytes maintained their characteristic morphology, hepatic markers and functions for 28 days. The acute and chronic administration of known drugs validated the sensitivity of the system for drug testing. This human 2D model represents a realistic system to evaluate hepatic function for long-term drug studies, without the need of animal serum, confounding variable in most models, and with less complexity and resultant cost compared to most 3D models. The defined culture conditions can easily be integrated into complex multi-organ in vitro models for studying systemic effects driven by the liver function for long-term evaluations.
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Affiliation(s)
- Carlota Oleaga
- NanoScience Technology Center, University of Central Florida, Orlando, Florida, USA
| | - L Richard Bridges
- NanoScience Technology Center, University of Central Florida, Orlando, Florida, USA
| | - Keisha Persaud
- NanoScience Technology Center, University of Central Florida, Orlando, Florida, USA
| | | | - Christopher J Long
- NanoScience Technology Center, University of Central Florida, Orlando, Florida, USA
| | - James J Hickman
- NanoScience Technology Center, University of Central Florida, Orlando, Florida, USA
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19
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Chen Y, Park HJ, Park J, Song HC, Ryter SW, Surh YJ, Kim UH, Joe Y, Chung HT. Carbon monoxide ameliorates acetaminophen-induced liver injury by increasing hepatic HO-1 and Parkin expression. FASEB J 2019; 33:13905-13919. [PMID: 31645120 DOI: 10.1096/fj.201901258rr] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Acetaminophen (APAP) is widely used as an antifebrile and analgesic drug at recommended doses, whereas an overdose of APAP can cause severe liver damage. The molecular mechanisms underlying APAP-induced liver damage remain incompletely understood. Carbon monoxide (CO), an end-product of heme oxygenase (HO)-1 activity, can confer anti-inflammatory and antiapoptotic properties in cellular models of toxicity via regulation of mitochondrial function. The objective of this study was to evaluate the effects of CO on APAP-induced hepatotoxicity and CO's relationship to regulation of endoplasmic reticulum (ER) stress and mitochondrial signaling using CO-releasing molecules or low concentrations of CO applied as pretreatment or posttreatment. Using genetic deletion or knockdown approaches in alpha mouse liver cells or primary hepatocytes, respectively, we investigated the role of HO-1 and the mitophagy regulator protein Parkin on APAP-induced expression of the ER stress-associated apoptosis regulator cytosine-cytosine-adenosine-adenosine-thymidine (CCAAT)/enhancer-binding protein homologous protein (CHOP). We found that CO induced Parkin expression in hepatocytes via the protein kinase RNA-like ER kinase/eukaryotic translation initiation factor 2-α/activating transcription factor-4 signaling pathway. Additionally, CO gas inhalation significantly alleviated APAP-induced liver damage in vivo and correspondingly reduced serum alanine aminotransferase and aspartate aminotransferase levels as well as proinflammatory cytokines and reduced the expression of CHOP in liver tissues while dramatically increasing hepatic HO-1 and Parkin expression. We found that the protective effects of CO on APAP-induced liver damage were mediated by down-regulation of CHOP at a transcriptional and post-translational level via induction of HO-1 and Parkin, respectively, and associated with decreases in reactive oxygen species production and JNK phosphorylation. We conclude that CO may represent a promising therapeutic agent for APAP-induced liver injury.-Chen, Y., Park, H.-J., Park, J., Song, H.-C., Ryter, S. W., Surh, Y.-J., Kim, U.-H., Joe, Y., Chung, H. T. Carbon monoxide ameliorates acetaminophen-induced liver injury by increasing hepatic HO-1 and Parkin expression.
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Affiliation(s)
- Yingqing Chen
- National Creative Research Laboratory for Ca2+ Signaling Network, Chonbuk National University Medical School, Jeonju, South Korea.,Department of Pharmacology, Dalian University Medical College, Dalian, China
| | - Hyeok-Jun Park
- Department of Biological Sciences, University of Ulsan, Ulsan, South Korea
| | - Jeongmin Park
- Department of Biological Sciences, University of Ulsan, Ulsan, South Korea
| | - Hyun-Chul Song
- Department of Biological Sciences, University of Ulsan, Ulsan, South Korea
| | - Stefan W Ryter
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medical Center, New York, New York, USA
| | - Young-Joon Surh
- Tumor Microenvironment Global Core Research Center and Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Uh-Hyun Kim
- National Creative Research Laboratory for Ca Signaling Network, Chonbuk National University Medical School, Jeonju, South Korea
| | - Yeonsoo Joe
- Department of Biological Sciences, University of Ulsan, Ulsan, South Korea
| | - Hun Taeg Chung
- Department of Biological Sciences, University of Ulsan, Ulsan, South Korea
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20
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Fisher J, Linder A, Calevo MG, Bentzer P. Non-corticosteroid adjuvant therapies for acute bacterial meningitis. Hippokratia 2019. [DOI: 10.1002/14651858.cd013437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jane Fisher
- Lund University; Department of Clinical Sciences, Division of Infection Medicine; Lund Sweden
| | - Adam Linder
- Lund University; Department of Clinical Sciences, Division of Infection Medicine; Lund Sweden
| | - Maria Grazia Calevo
- Istituto Giannina Gaslini; Epidemiology, Biostatistics Unit, IRCCS; Genoa Italy 16147
| | - Peter Bentzer
- Lund University; Department of Anesthesiology and Intensive Care; Lund Sweden
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21
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Molecular structure, QTAIM and bonding character of cation–π interactions of mono- and divalent metal cations (Li+, Na+, K+, Be2+, Mg2+ and Ca2+) with drug of acetaminophen. Theor Chem Acc 2019. [DOI: 10.1007/s00214-019-2492-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Currens BJ, Hall AM, Brion GM, Fryar AE. Use of acetaminophen and sucralose as co-analytes to differentiate sources of human excreta in surface waters. WATER RESEARCH 2019; 157:1-7. [PMID: 30947079 DOI: 10.1016/j.watres.2019.03.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/12/2019] [Accepted: 03/15/2019] [Indexed: 06/09/2023]
Abstract
Reducing pathogenic risks in surface waters impacted by leaking or overflowing sewage requires the ability to detect human excreta in raw sewage, discriminate human excreta from other types of animal excreta, and differentiate between treated wastewater and raw sewage. We used the relative concentrations of a degradable, human-specific pharmaceutical and a persistent artificial sweetener to indicate the presence of human excreta, its degree of environmental degradation, and the amount of dilution by freshwater sources. Samples were collected and analyzed for acetaminophen and sucralose between 2016 and 2018 from wastewater treatment plants (WWTPs) and streams in metropolitan Lexington, Kentucky (USA). Both co-analytes were consistently present in raw sewage, with acetaminophen in higher concentrations than sucralose. The presence of acetaminophen was related primarily to untreated human excreta, with concentrations rapidly decreasing upon treatment to nearly undetectable levels in WWTP effluents and streams. Sucralose in surface waters was related to inputs of both raw sewage and WWTP effluents. The ratio of acetaminophen to sucralose concentrations in raw sewage and spiked river waters exhibited linear decay kinetics with respect to time, with larger decay constants observed at higher temperatures. This co-analyte indicator approach was evaluated at a local site previously suspected of receiving raw sewage. The presence and ratios of the co-analytes indicated the presence of domestic sewage that was not fully treated.
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Affiliation(s)
- Benjamin J Currens
- Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Building, Lexington, KY, 40506-0053, USA
| | - Ashley M Hall
- Department of Civil Engineering, University of Kentucky, 161 Raymond Building, Lexington, KY, 40506-0281, USA
| | - Gail M Brion
- Department of Civil Engineering, University of Kentucky, 161 Raymond Building, Lexington, KY, 40506-0281, USA.
| | - Alan E Fryar
- Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Building, Lexington, KY, 40506-0053, USA
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Affiliation(s)
- Amalio Telenti
- Translational Institute & Department of Integrative Structural & Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
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24
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Cohen IV, Cirulli ET, Mitchell MW, Jonsson TJ, Yu J, Shah N, Spector TD, Guo L, Venter JC, Telenti A. Acetaminophen (Paracetamol) Use Modifies the Sulfation of Sex Hormones. EBioMedicine 2018; 28:316-323. [PMID: 29398597 PMCID: PMC5835573 DOI: 10.1016/j.ebiom.2018.01.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 01/12/2018] [Accepted: 01/24/2018] [Indexed: 01/24/2023] Open
Abstract
Background Acetaminophen (paracetamol) is one of the most common medications used for management of pain in the world. There is lack of consensus about the mechanism of action, and concern about the possibility of adverse effects on reproductive health. Methods We first established the metabolome profile that characterizes use of acetaminophen, and we subsequently trained and tested a model that identified metabolomic differences across samples from 455 individuals with and without acetaminophen use. We validated the findings in a European ancestry adult twin cohort of 1880 individuals (TwinsUK), and in a study of 1235 individuals of African American and Hispanic ancestry. We used genomics to elucidate the mechanisms targeted by acetaminophen. Findings We identified a distinctive pattern of depletion of sulfated sex hormones with use of acetaminophen across all populations. We used a Mendelian randomization approach to characterize the role of Sulfotransferase Family 2A Member 1 (SULT2A1) as the site of the interaction. Although CYP3A7-CYP3A51P variants also modified levels of some sulfated sex hormones, only acetaminophen use phenocopied the effect of genetic variants of SULT2A1. Overall, acetaminophen use, age, gender and SULT2A1 and CYP3A7-CYP3A51P genetic variants are key determinants of variation in levels of sulfated sex hormones in blood. The effect of taking acetaminophen on sulfated sex hormones was roughly equivalent to the effect of 35 years of aging. Interpretation These findings raise concerns of the impact of acetaminophen use on hormonal homeostasis. In addition, it modifies views on the mechanism of action of acetaminophen in pain management as sulfated sex hormones can function as neurosteroids and modify nociceptive thresholds. We use metabolome analysis of 3570 individuals to identify the effect of acetaminophen on metabolic processes. Acetaminophen use is associated with decrease sulfation of sexual hormones. These findings are relevant in the context of current debate on the use of acetaminophen during pregnancy
Despite decades-long use of acetaminophen, there is an incomplete understanding of the mechanism of action, and of the potential for adverse metabolic effects. Recent epidemiological and animal work supports an effect of acetaminophen on reproductive processes and hormonal homeostasis. We observe a consistent and reproducible effect of acetaminophen use on the levels of sulfated sex hormones. This is relevant to the investigation of hormonal homeostasis during pregnancy – acetaminophen is the most commonly used analgesic by pregnant women. It also opens the door to investigating the role of sulfated hormones in pain management.
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Affiliation(s)
- Isaac V Cohen
- Human Longevity, Inc., San Diego, CA, USA; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA, USA
| | | | | | | | - James Yu
- Human Longevity, Inc., San Diego, CA, USA
| | | | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
| | | | - J Craig Venter
- Human Longevity, Inc., San Diego, CA, USA; J. Craig Venter Institute, La Jolla, CA, USA
| | - Amalio Telenti
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA, USA; J. Craig Venter Institute, La Jolla, CA, USA.
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25
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Chung WS, Lin CL. Increased risk of congestive heart failure in patients with acetaminophen poisoning: A nationwide cohort study. J Appl Toxicol 2018; 38:766-772. [PMID: 29327353 DOI: 10.1002/jat.3586] [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: 07/15/2017] [Revised: 11/15/2017] [Accepted: 12/05/2017] [Indexed: 01/24/2023]
Abstract
Acetaminophen poisoning increases cytochrome P450 2E1 expression and reactive oxygen species production, which may lead to maladaptive myocardial remodeling and congestive heart failure (CHF). We conducted a nationwide cohort study to investigate the incidence and risk of CHF in patients with acetaminophen poisoning. We identified a cohort of adult patients with newly diagnosed acetaminophen poisoning in the inpatient claims of the Taiwan National Health Insurance Research Database for the 1998-2011 period. A comparison cohort was frequency matched at a 4:1 ratio for sex, age and index year. All patients were followed up until the occurrence of CHF, withdrawal from the National Health Insurance program, or December 31, 2011. Cox proportional hazards models were employed to calculate the risk of CHF in the acetaminophen poisoning cohort compared with the comparison cohort, and the hazard ratios with 95% confidence intervals are presented. A total of 3546 and 14 184 patients with and without acetaminophen poisoning were followed up for a total of 25 856 and 102 119 person-years, respectively. The overall incidence of CHF was higher in the acetaminophen poisoning cohort than in the comparison cohort (8.12 vs. 5.19 per 10 000 person-years). After adjustment for covariates, the acetaminophen poisoning cohort exhibited a 1.59-fold higher risk of CHF (adjusted hazard ratio = 1.59; 95% confidence interval = 1.43-1.75) than did the comparison cohort. Patients with acetaminophen poisoning exhibited a significantly higher risk of CHF compared with the comparison cohort. Clinicians should follow up heart function in patients with acetaminophen poisoning.
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Affiliation(s)
- Wei-Sheng Chung
- Department of Internal Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan.,Department of Health Services Administration, China Medical University, Taichung, Taiwan.,Department of Healthcare Administration, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Cheng-Li Lin
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan.,College of Medicine, China Medical University, Taichung, Taiwan
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26
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Patel SH, D'Lugos AC, Eldon ER, Curtis D, Dickinson JM, Carroll CC. Impact of acetaminophen consumption and resistance exercise on extracellular matrix gene expression in human skeletal muscle. Am J Physiol Regul Integr Comp Physiol 2017; 313:R44-R50. [PMID: 28515079 DOI: 10.1152/ajpregu.00019.2017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/17/2017] [Accepted: 05/05/2017] [Indexed: 12/17/2022]
Abstract
Acetaminophen (APAP) given during chronic exercise reduces skeletal muscle collagen and cross-linking in rats. We propose that the effect of APAP on muscle extracellular matrix (ECM) may, in part, be mediated by dysregulation of the balance between matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs). The purpose of this study was to evaluate the impact of APAP consumption during acute resistance exercise (RE) on several regulators of the ECM in human skeletal muscle. In a double-blinded, placebo-controlled, randomized crossover design, recreationally active men (n = 8, 25 ± 2 yr) performed two trials of knee extension. Placebo (PLA) or APAP (1,000 mg/6 h) was given for 24 h before and immediately following RE. Vastus lateralis biopsies were taken at baseline and 1 and 3 h post-RE. Quantitative RT-PCR was used to determine differences in mRNA expression. MMP-2, type I collagen, and type III collagen mRNA expression was not altered by exercise or APAP (P > 0.05). When compared with PLA, TIMP-1 expression was lower at 1 h post-RE during APAP conditions but greater than PLA at 3 h post-RE (P < 0.05). MMP-9 expression and protein levels were elevated at 3 h post-RE independent of treatment (P < 0.05). Lysyl oxidase expression was greater at 3 h post-RE during APAP consumption (P < 0.05) compared with PLA. MMP-2 and TIMP-1 protein was not altered by RE or APAP (P > 0.05). Phosphorylation of ERK1/2 and p38-MAPK increased (P < 0.05) with RE but was not influenced by APAP. Our findings do not support our hypothesis and suggest that short-term APAP consumption before RE has a small impact on the measured ECM molecules in human skeletal muscle following acute RE.
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Affiliation(s)
- Shivam H Patel
- Department of Physiology, Midwestern University, Glendale, Arizona.,Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana
| | - Andrew C D'Lugos
- School of Nutrition and Health Promotion, Healthy Lifestyles Research Center, Exercise Science and Health Promotion, Arizona State University, Phoenix, Arizona; and
| | - Erica R Eldon
- Department of Physiology, Midwestern University, Glendale, Arizona
| | | | - Jared M Dickinson
- School of Nutrition and Health Promotion, Healthy Lifestyles Research Center, Exercise Science and Health Promotion, Arizona State University, Phoenix, Arizona; and
| | - Chad C Carroll
- Department of Physiology, Midwestern University, Glendale, Arizona; .,Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana
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27
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Lundgren M, Steed LJ, Tamura R, Jonsdottir B, Gesualdo P, Crouch C, Sjöberg M, Hansson G, Hagopian WA, Ziegler AG, Rewers MJ, Lernmark Å, Toppari J, She JX, Akolkar B, Krischer JP, Haller MJ, Elding Larsson H. Analgesic antipyretic use among young children in the TEDDY study: no association with islet autoimmunity. BMC Pediatr 2017; 17:127. [PMID: 28511706 PMCID: PMC5434629 DOI: 10.1186/s12887-017-0884-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 05/09/2017] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The use of analgesic antipyretics (ANAP) in children have long been a matter of controversy. Data on their practical use on an individual level has, however, been scarce. There are indications of possible effects on glucose homeostasis and immune function related to the use of ANAP. The aim of this study was to analyze patterns of analgesic antipyretic use across the clinical centers of The Environmental Determinants of Diabetes in the Young (TEDDY) prospective cohort study and test if ANAP use was a risk factor for islet autoimmunity. METHODS Data were collected for 8542 children in the first 2.5 years of life. Incidence was analyzed using logistic regression with country and first child status as independent variables. Holm's procedure was used to adjust for multiplicity of intercountry comparisons. Time to autoantibody seroconversion was analyzed using a Cox proportional hazards model with cumulative analgesic use as primary time dependent covariate of interest. For each categorization, a generalized estimating equation (GEE) approach was used. RESULTS Higher prevalence of ANAP use was found in the U.S. (95.7%) and Sweden (94.8%) compared to Finland (78.1%) and Germany (80.2%). First-born children were more commonly given acetaminophen (OR 1.26; 95% CI 1.07, 1.49; p = 0.007) but less commonly Non-Steroidal Anti-inflammatory Drugs (NSAID) (OR 0.86; 95% CI 0.78, 0.95; p = 0.002). Acetaminophen and NSAID use in the absence of fever and infection was more prevalent in the U.S. (40.4%; 26.3% of doses) compared to Sweden, Finland and Germany (p < 0.001). Acetaminophen or NSAID use before age 2.5 years did not predict development of islet autoimmunity by age 6 years (HR 1.02, 95% CI 0.99-1.09; p = 0.27). In a sub-analysis, acetaminophen use in children with fever weakly predicted development of islet autoimmunity by age 3 years (HR 1.05; 95% CI 1.01-1.09; p = 0.024). CONCLUSIONS ANAP use in young children is not a risk factor for seroconversion by age 6 years. Use of ANAP is widespread in young children, and significantly higher in the U.S. compared to other study sites, where use is common also in absence of fever and infection.
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Affiliation(s)
- Markus Lundgren
- Department of Clinical Sciences, Diabetes and Celiac disease unit, Lund University, Clinical Research Centre, Jan Waldenströms gata 35, 205 02, Malmö, Sweden.
| | - Leigh Johnson Steed
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Roy Tamura
- Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Berglind Jonsdottir
- Department of Clinical Sciences, Diabetes and Celiac disease unit, Lund University, Clinical Research Centre, Jan Waldenströms gata 35, 205 02, Malmö, Sweden
| | - Patricia Gesualdo
- Barbara Davis Center for Childhood Diabetes, University of Colorado, Aurora, CO, USA
| | - Claire Crouch
- Pacific Northwest Diabetes Research Institute, Seattle, WA, USA
| | - Maija Sjöberg
- Department of Physiology, Institute of Biomedicine, University of Turku, and Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Gertie Hansson
- Department of Clinical Sciences, Diabetes and Celiac disease unit, Lund University, Clinical Research Centre, Jan Waldenströms gata 35, 205 02, Malmö, Sweden
| | | | - Anette G Ziegler
- Institute of Diabetes Research, Helmholtz Zentrum München, and Klinikum rechts der Isar, Technische Universität München, and Forschergruppe Diabetes e.V, Neuherberg, Germany
| | - Marian J Rewers
- Barbara Davis Center for Childhood Diabetes, University of Colorado, Aurora, CO, USA
| | - Åke Lernmark
- Department of Clinical Sciences, Diabetes and Celiac disease unit, Lund University, Clinical Research Centre, Jan Waldenströms gata 35, 205 02, Malmö, Sweden
| | - Jorma Toppari
- Department of Physiology, Institute of Biomedicine, University of Turku, and Department of Pediatrics, Turku University Hospital, Turku, Finland
| | - Jin-Xiong She
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Beena Akolkar
- National Institute of Diabetes & Digestive & Kidney Diseases, Bethesda, MD, USA
| | - Jeffrey P Krischer
- Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Michael J Haller
- Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Helena Elding Larsson
- Department of Clinical Sciences, Diabetes and Celiac disease unit, Lund University, Clinical Research Centre, Jan Waldenströms gata 35, 205 02, Malmö, Sweden
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28
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Zhao WX, Zhang JH, Cao JB, Wang W, Wang DX, Zhang XY, Yu J, Zhang YY, Zhang YZ, Mi WD. Acetaminophen attenuates lipopolysaccharide-induced cognitive impairment through antioxidant activity. J Neuroinflammation 2017; 14:17. [PMID: 28109286 PMCID: PMC5251335 DOI: 10.1186/s12974-016-0781-6] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Accepted: 12/16/2016] [Indexed: 12/20/2022] Open
Abstract
Background Considerable evidence has shown that neuroinflammation and oxidative stress play an important role in the pathophysiology of postoperative cognitive dysfunction (POCD) and other progressive neurodegenerative disorders. Increasing evidence suggests that acetaminophen (APAP) has unappreciated antioxidant and anti-inflammatory properties. However, the impact of APAP on the cognitive sequelae of inflammatory and oxidative stress is unknown. The objective of this study is to explore whether APAP could have neuroprotective effects on lipopolysaccharide (LPS)-induced cognitive impairment in mice. Methods A mouse model of LPS-induced cognitive impairment was established to evaluate the neuroprotective effects of APAP against LPS-induced cognitive impairment. Adult C57BL/6 mice were treated with APAP half an hour prior to intracerebroventricular microinjection of LPS and every day thereafter, until the end of the study period. The Morris water maze was used to assess cognitive function from postinjection days 1 to 3. Animal behavioural tests as well as pathological and biochemical assays were performed to evaluate LPS-induced hippocampal damage and the neuroprotective effect of APAP. Results Mice treated with LPS exhibited impaired performance in the Morris water maze without changing spontaneous locomotor activity, which was ameliorated by treatment with APAP. APAP suppressed the accumulation of pro-inflammatory cytokines and microglial activation induced by LPS in the hippocampus. In addition, APAP increased SOD activity, reduced MDA levels, modulated glycogen synthase kinase 3β (GSK3β) activity and elevated brain-derived neurotrophic factor (BDNF) expression in the hippocampus. Moreover, APAP significantly decreased the Bax/Bcl-2 ratio and neuron apoptosis in the hippocampus of LPS-treated mice. Conclusions Our results suggest that APAP may possess a neuroprotective effect against LPS-induced cognitive impairment and inflammatory and oxidative stress via mechanisms involving its antioxidant and anti-inflammatory properties, as well as its ability to inhibit the mitochondrial permeability transition (MPT) pore and the subsequent apoptotic pathway.
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Affiliation(s)
- Wei-Xing Zhao
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China
| | - Jun-Han Zhang
- The Second Affiliated Hospital of Xiangya School of Medicine, Central South University, Changsha, 410008, China
| | - Jiang-Bei Cao
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China
| | - Wei Wang
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China.,Department of Anesthesiology, The General Hospital of the PLA Rocket Force, Beijing, 100088, China
| | - Dong-Xin Wang
- Department of Anesthesiology and Surgical Intensive Care, Peking University First Hospital, Beijing, 100034, China
| | - Xiao-Ying Zhang
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China
| | - Jun Yu
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yong-Yi Zhang
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China
| | - You-Zhi Zhang
- Institute of Pharmacology and Toxicology, Beijing Key laboratory of Neuropsychopharmacology, 27th Taiping Road, Haidian District, Beijing, 100850, China
| | - Wei-Dong Mi
- Anesthesia and Operation Center, Chinese PLA General Hospital, 28th Fuxing Road, Haidian District, Beijing, 100853, China.
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Tropisetron Protects Against Acetaminophen-Induced Liver Injury via Suppressing Hepatic Oxidative Stress and Modulating the Activation of JNK/ERK MAPK Pathways. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1952947. [PMID: 27891510 PMCID: PMC5116490 DOI: 10.1155/2016/1952947] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 09/09/2016] [Accepted: 10/03/2016] [Indexed: 12/26/2022]
Abstract
Objectives. To investigate the protective effects of tropisetron on acetaminophen- (APAP-) induced liver injury in a mice model. Methods. C57BL/6 male mice were given tropisetron (0.3 to 10 mg/kg) 30 minutes before a hepatotoxic dose of acetaminophen (300 mg/kg) intraperitoneally. Twenty hours after APAP intoxication, sera alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels, hepatic myeloperoxidase (MPO), malondialdehyde (MDA), glutathione (GSH), and superoxide dismutase (SOD) activities, and liver histopathological changes were examined. The MAP kinases were also detected by western blotting. Results. Our results showed that tropisetron pretreatment significantly attenuated the acute elevations of the liver enzyme ALT level, hepatic MPO activity, and hepatocytes necrosis in a dose-dependent manner (0.3-10 mg/kg) in APAP-induced hepatotoxicity mice. Tropisetron (1 and 3 mg/kg) suppressed APAP-induced hepatic lipid peroxidation expression and alleviated GSH and SOD depletion. Administration of tropisetron also attenuated the phosphorylation of c-Jun-NH2-terminal protein kinase (JNK) and extracellular signal-regulated kinase (ERK) caused by APAP. Conclusion. Our data demonstrated that tropisetron's hepatoprotective effect was in part correlated with the antioxidant, which were mediated via JNK and ERK pathways on acetaminophen-induced liver injury in mice.
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30
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Carroll CC. Analgesic Drugs Alter Connective Tissue Remodeling and Mechanical Properties. Exerc Sport Sci Rev 2016; 44:29-36. [PMID: 26509485 DOI: 10.1249/jes.0000000000000067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Exercising individuals commonly consume analgesics, but these medications alter tendon and skeletal muscle connective tissue properties, possibly limiting a person from realizing the full benefits of exercise training. I detail the novel hypothesis that analgesic medications alter connective tissue structure and mechanical properties by modifying fibroblast production of growth factors and matrix enzymes, which are responsible for extracellular matrix remodeling.
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Affiliation(s)
- Chad C Carroll
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ
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31
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Şahin AS, Gülleroğlu A, Toker MK, Karabay AG, Adıyeke O, Demiraran Y. Comparison of paracetamol and fentanyl for pain relief during and after suction termination. Saudi Med J 2016; 37:527-32. [PMID: 27146615 PMCID: PMC4880652 DOI: 10.15537/smj.2016.5.15083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Objectives: To compare the combination of paracetamol (20 mg/kg) and propofol to fentanyl (1 µg/kg) and propofol in terms of providing adequate analgesia and a comparable recovery profile in suction termination procedures. Methods: This is a prospective, randomized clinical study in which we obtained informed consents from 146 women (fentanyl group: 76 [52.1%], paracetamol group: 70 [47.9%]) who were scheduled for suction curettage at the Istanbul Kanuni Sultan Suleyman Education and Training Hospital, Istanbul, Turkey in January 2015. Patients were randomly allocated into a fentanyl group or a paracetamol group. Visual analogue scores, modified Aldrete scores, and hemodynamic parameters were recorded during and after the surgical procedure. A record was also maintained of any adverse events. Results: When the modified Aldrete scores at 60 minutes, systolic pressures at 0 minutes, oxygen saturation at 10, 15, 20 minutes, diastolic blood pressure at 10, 15, 20 minutes, heart rates, and visual analogue scores were compared, there was no significant difference between groups (p>0.05). In the fentanyl group, systolic blood pressures at 5, 10, 15, 20 minutes and diastolic blood pressure at 5 minutes and oxygen saturation at 5 minutes were significantly lower (p<0.05). Conclusion: Our study demonstrates that the analgesic properties and recovery profiles of intravenous paracetamol is as effective as fentanyl when used in suction termination procedures. Further larger studies are still required.
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Affiliation(s)
- Ayça S Şahin
- Department of Anesthesiology and Reanimation, Istanbul Kanuni Sultan Suleyman Education and Research Hospital, Istanbul, Turkey. E-mail.
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32
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Oleaga C, Bernabini C, Smith AS, Srinivasan B, Jackson M, McLamb W, Platt V, Bridges R, Cai Y, Santhanam N, Berry B, Najjar S, Akanda N, Guo X, Martin C, Ekman G, Esch MB, Langer J, Ouedraogo G, Cotovio J, Breton L, Shuler ML, Hickman JJ. Multi-Organ toxicity demonstration in a functional human in vitro system composed of four organs. Sci Rep 2016; 6:20030. [PMID: 26837601 PMCID: PMC4738272 DOI: 10.1038/srep20030] [Citation(s) in RCA: 282] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 12/18/2015] [Indexed: 12/26/2022] Open
Abstract
We report on a functional human model to evaluate multi-organ toxicity in a 4-organ system under continuous flow conditions in a serum-free defined medium utilizing a pumpless platform for 14 days. Computer simulations of the platform established flow rates and resultant shear stress within accepted ranges. Viability of the system was demonstrated for 14 days as well as functional activity of cardiac, muscle, neuronal and liver modules. The pharmacological relevance of the integrated modules were evaluated for their response at 7 days to 5 drugs with known side effects after a 48 hour drug treatment regime. The results of all drug treatments were in general agreement with published toxicity results from human and animal data. The presented phenotypic culture model exhibits a multi-organ toxicity response, representing the next generation of in vitro systems, and constitutes a step towards an in vitro "human-on-a-chip" assay for systemic toxicity screening.
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Affiliation(s)
- Carlota Oleaga
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Catia Bernabini
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Alec S.T. Smith
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Balaji Srinivasan
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Max Jackson
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - William McLamb
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Vivien Platt
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Richard Bridges
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Yunqing Cai
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Navaneetha Santhanam
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Bonnie Berry
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Sarah Najjar
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Nesar Akanda
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Xiufang Guo
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Candace Martin
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Gail Ekman
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Mandy B. Esch
- Department of Biomedical Engineering, Cornell University, 115 and 305 Weill Hall, Ithaca, NY 14853
| | - Jessica Langer
- L’Oreal Research and Innovation, Clark, NJ, 07666/ Aulnay sous Bois, France, 93600
| | | | - Jose Cotovio
- L’Oreal Research and Innovation, Aulnay sous Bois, France
| | - Lionel Breton
- L’Oreal Research and Innovation, Aulnay sous Bois, France
| | - Michael L. Shuler
- Department of Biomedical Engineering, Cornell University, 115 and 305 Weill Hall, Ithaca, NY 14853
| | - James J. Hickman
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
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Wang C, Blough E, Arvapalli R, Dai X, Triest WE, Leidy JW, Masannat Y, Wu M. Acetaminophen attenuates glomerulosclerosis in obese Zucker rats via reactive oxygen species/p38MAPK signaling pathways. Free Radic Biol Med 2015; 81:47-57. [PMID: 25614458 DOI: 10.1016/j.freeradbiomed.2015.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 12/05/2014] [Accepted: 01/11/2015] [Indexed: 01/09/2023]
Abstract
Focal segmental glomerulosclerosis is a critical pathological lesion in metabolic syndrome-associated kidney disease that, if allowed to proceed unchecked, can lead to renal failure. However, the exact mechanisms underlying glomerulosclerosis remain unclear, and effective prevention strategies against glomerulosclerosis are currently limited. Herein, we demonstrate that chronic low-dose ingestion of acetaminophen (30 mg/kg/day for 6 months) attenuates proteinuria, glomerulosclerosis, podocyte injury, and inflammation in the obese Zucker rat model of metabolic syndrome. Moreover, acetaminophen treatment attenuated renal fibrosis and the expression of profibrotic factors (fibronectin, connective tissue growth factor, transforming growth factor β), reduced inflammatory cell infiltration into the glomeruli, and decreased the expression of monocyte chemoattractant protein, glutathione (GSH) reductase, and nuclear factor erythroid 2-related factor 2, but increased the level of GSH synthetase in obese animals. Further in vivo and in vitro studies using human renal mesangial cells exposed to high glucose or hydrogen peroxide suggested that the renoprotective effects of acetaminophen are characterized by diminished renal oxidative stress and p38MAPK hyperphosphorylation.
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Affiliation(s)
- Cuifen Wang
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA; Southeast University, Nanjing, Jiangsu, China
| | - Eric Blough
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA.
| | - Ravikumar Arvapalli
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA
| | - Xiaoniu Dai
- Southeast University, Nanjing, Jiangsu, China
| | | | - John W Leidy
- Huntington VA Medical Center, Huntington, WV 25704, USA
| | - Yanal Masannat
- Department of Internal Medicine, Joan C. Edwards School of Medicine, Huntington, WV 25755, USA
| | - Miaozong Wu
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA; Department of Internal Medicine, Joan C. Edwards School of Medicine, Huntington, WV 25755, USA.
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Peperidou A, Kapoukranidou D, Kontogiorgis C, Hadjipavlou-Litina D. Multitarget molecular hybrids of cinnamic acids. Molecules 2014; 19:20197-226. [PMID: 25474291 PMCID: PMC6271731 DOI: 10.3390/molecules191220197] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 11/14/2014] [Accepted: 11/25/2014] [Indexed: 11/18/2022] Open
Abstract
In an attempt to synthesize potential new multitarget agents, 11 novel hybrids incorporating cinnamic acids and paracetamol, 4-/7-hydroxycoumarin, benzocaine, p-aminophenol and m-aminophenol were synthesized. Three hybrids—2e, 2a, 2g—and 3b were found to be multifunctional agents. The hybrid 2e derived from the phenoxyphenyl cinnamic acid and m-acetamidophenol showed the highest lipoxygenase (LOX) inhibition and analgesic activity (IC50 = 0.34 μM and 98.1%, whereas the hybrid 3b of bromobenzyloxycinnamic acid and hymechromone exhibited simultaneously good LOX inhibitory activity (IC50 = 50 μM) and the highest anti-proteolytic activity (IC50= 5 μM). The hybrid 2a of phenyloxyphenyl acid with paracetamol showed a high analgesic activity (91%) and appears to be a promising agent for treating peripheral nerve injuries. Hybrid 2g which has an ester and an amide bond presents an interesting combination of anti-LOX and anti-proteolytic activity. The esters were found very potent and especially those derived from paracetamol and m-acetamidophenol. The amides follow. Based on 2D-structure–activity relationships it was observed that both steric and electronic parameters play major roles in the activity of these compounds. Molecular docking studies point to the fact that allosteric interactions might govern the LOX-inhibitor binding.
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Affiliation(s)
- Aikaterini Peperidou
- Department of Pharmaceutical Chemistry, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Dorothea Kapoukranidou
- Department of Physiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Christos Kontogiorgis
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, Dragana (Campus), Alexandroupolis 68100, Greece.
| | - Dimitra Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
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Blockade of cannabinoid CB1 and CB2 receptors does not prevent the antipruritic effect of systemic paracetamol. Acta Neurol Belg 2014; 114:307-9. [PMID: 24399199 DOI: 10.1007/s13760-013-0272-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 12/17/2013] [Indexed: 01/16/2023]
Abstract
Cannabinoid CB1 receptors have been shown to mediate the antinociceptive, but not the hypothermic, action of the worldwide used analgesic, paracetamol. Since itch and pain sensations share many similarities, the purpose of the present study was to investigate whether blockade of cannabinoid CB1 and CB2 receptors participates in the antipruritic activity of paracetamol in mice. Scratching behavior was induced by intradermal serotonin injection into the rostral part of the back of the mice. After serotonin administration, scratching of the injected site by the hind paws were videotaped and counted for 30 min. Serotonin-induced scratching behavior was attenuated with high-dose paracetamol (300 mg/kg). The CB1 receptor antagonist, AM-251 (1 mg/kg), and the CB2 receptor antagonist, SR-144528 (1 mg/kg), did not alter the anti-scratching behavioral effect of paracetamol. Our results indicate that, in contrast to its antinociceptive action, but similar to its hypothermic effect, cannabinoid receptors are not involved in the antipruritic activity of paracetamol.
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Fresno N, Pérez-Fernández R, Goicoechea C, Alkorta I, Fernández-Carvajal A, de la Torre-Martínez R, Quirce S, Ferrer-Montiel A, Martín MI, Goya P, Elguero J. Adamantyl analogues of paracetamol as potent analgesic drugs via inhibition of TRPA1. PLoS One 2014; 9:e113841. [PMID: 25438056 PMCID: PMC4249970 DOI: 10.1371/journal.pone.0113841] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 10/31/2014] [Indexed: 01/31/2023] Open
Abstract
Paracetamol also known as acetaminophen, is a widely used analgesic and antipyretic agent. We report the synthesis and biological evaluation of adamantyl analogues of paracetamol with important analgesic properties. The mechanism of nociception of compound 6a/b, an analog of paracetamol, is not exerted through direct interaction with cannabinoid receptors, nor by inhibiting COX. It behaves as an interesting selective TRPA1 channel antagonist, which may be responsible for its analgesic properties, whereas it has no effect on the TRPM8 nor TRPV1 channels. The possibility of replacing a phenyl ring by an adamantyl ring opens new avenues in other fields of medicinal chemistry.
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Affiliation(s)
- Nieves Fresno
- Instituto de Química Médica, IQM-CSIC, Madrid, Spain
| | | | - Carlos Goicoechea
- Departamento de Farmacología y Nutrición, Unidad Asociada de I+D+i al CSIC, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Ibon Alkorta
- Instituto de Química Médica, IQM-CSIC, Madrid, Spain
- * E-mail:
| | | | | | - Susana Quirce
- Institute of Molecular and Cellular Biology, Universidad Miguel Hernández, Alicante, Spain
| | - Antonio Ferrer-Montiel
- Institute of Molecular and Cellular Biology, Universidad Miguel Hernández, Alicante, Spain
| | - M. Isabel Martín
- Departamento de Farmacología y Nutrición, Unidad Asociada de I+D+i al CSIC, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Pilar Goya
- Instituto de Química Médica, IQM-CSIC, Madrid, Spain
| | - José Elguero
- Instituto de Química Médica, IQM-CSIC, Madrid, Spain
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Gao X, Guo M, Li Q, Peng L, Liu H, Zhang L, Bai X, Wang Y, Li J, Cai C. Plasma metabolomic profiling to reveal antipyretic mechanism of Shuang-huang-lian injection on yeast-induced pyrexia rats. PLoS One 2014; 9:e100017. [PMID: 24940599 PMCID: PMC4062457 DOI: 10.1371/journal.pone.0100017] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 05/21/2014] [Indexed: 01/28/2023] Open
Abstract
Shuang-huang-lian injection (SHLI) is a famous Chinese patent medicine, which has been wildly used in clinic for the treatment of acute respiratory tract infection, pneumonia, influenza, etc. The existing randomized controlled trial (RCT) studies suggested that SHLI could afford a certain anti-febrile action. However, seldom does research concern the pharmacological mechanisms of SHLI. In the current study, we explored plasma metabolomic profiling technique and selected potential metabolic markers to reveal the antipyretic mechanism of SHLI on yeast-induced pyrexia rat model using UPLC-Q-TOF/MS coupled with multivariate statistical analysis and pattern recognition techniques. We discovered a significant perturbance of metabolic profile in the plasma of fever rats and obvious reversion in SHLI-administered rats. Eight potential biomarkers, i.e. 1) 3-hydeoxybutyric acid, 2) leucine, 3) 16:0 LPC, 4) allocholic acid, 5) vitamin B2, 6) Cys-Lys-His, 7) 18:2 LPC, and 8) 3-hydroxychola-7, 22-dien-24-oic acid, were screened out by OPLS-DA approach. Five potential perturbed metabolic pathways, i.e. 1) valine, leucine, and isoleucine biosynthesis, 2) glycerophospholipid metabolism, 3) ketone bodies synthesis and degradation, 4) bile acid biosynthesis, and 5) riboflavin metabolism, were revealed to relate to the antipyretic mechanisms of SHLI. Overall, we investigated antipyretic mechanisms of SHLI at metabolomic level for the first time, and the obtained results highlights the necessity of adopting metabolomics as a reliable tool for understanding the holism and synergism of Chinese patent drug.
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Affiliation(s)
- Xiaoyan Gao
- Science experiment center for TCM, Beijing University of Chinese Medicine, Beijing, China
| | - Mingxing Guo
- Science experiment center for TCM, Beijing University of Chinese Medicine, Beijing, China
| | - Qiang Li
- School of Chinese material medica, Beijing University of Chinese Medicine, Beijing, China
| | - Long Peng
- Science experiment center for TCM, Beijing University of Chinese Medicine, Beijing, China
| | - Haiyu Liu
- Science experiment center for TCM, Beijing University of Chinese Medicine, Beijing, China
| | - Li Zhang
- Science experiment center for TCM, Beijing University of Chinese Medicine, Beijing, China
| | - Xu Bai
- Waters technologies (Shanghai) Ltd., Shanghai, China
| | - Yingxin Wang
- The 2 Traditional Chinese Medicine factory of Harbin pharm group CO. LTD, Harbin, China
| | - Jian Li
- School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing, China
- * E-mail: (JL); (CC)
| | - Chengke Cai
- School of Chinese material medica, Beijing University of Chinese Medicine, Beijing, China
- * E-mail: (JL); (CC)
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Effect of paracetamol, dexketoprofen trometamol, lidocaine spray, and paracervical block application for pain relief during suction termination of first-trimester pregnancy. BIOMED RESEARCH INTERNATIONAL 2014; 2013:869275. [PMID: 24455735 PMCID: PMC3884602 DOI: 10.1155/2013/869275] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 12/04/2013] [Accepted: 12/04/2013] [Indexed: 11/17/2022]
Abstract
The aim of the study was to investigate the analgesic efficacy of preoperative oral dexketoprofen trometamol, intravenous paracetamol, lidocaine spray, and paracervical block with ultracaine on curettage procedure. A total of 111 subjects with the request of pregnancy termination between 5 and 7 weeks of gestation were included in the study. The first group (control group) consisted of 20 participants without medication. The second group consisted of 25 participants receiving 2 puffs of lidocaine sprays on cervical mucosa. The third group consisted of 20 participants receiving oral 25 mg dexketoprofen trometamol. The fourth group consisted of 23 participants receiving 1000 mg intravenous paracetamol and the fifth group consisted of 23 participants receiving paracervical block with ultracaine. Paracervical block reduced pain score significantly in both intraoperative and postoperative periods. All analgesic procedures were significantly effective for reducing pain in postoperative period. Paracervical block may be the best method for reducing pain scores in intraoperative and postoperative periods during curettage procedure. All analgesic procedures such as lidocaine, paracetamol, ultracaine, and paracervical block with ultracaine can be used for reducing pain score in postoperative period. This trial is registered with NCT01947205.
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Wang C, Blough ER, Arvapalli R, Dai X, Paturi S, Manne N, Addagarla H, Triest WE, Olajide O, Wu M. Metabolic syndrome-induced tubulointerstitial injury: role of oxidative stress and preventive effects of acetaminophen. Free Radic Biol Med 2013; 65:1417-1426. [PMID: 24140865 DOI: 10.1016/j.freeradbiomed.2013.10.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 10/01/2013] [Accepted: 10/03/2013] [Indexed: 11/17/2022]
Abstract
The prevalence of metabolic syndrome persistently increases and affects over 30% of U.S. adults. To study how metabolic syndrome may induce tubulointerstitial injury and whether acetaminophen has renal-protective properties, 4-week-old obese Zucker rats were randomly assigned into three groups, control (OC), vehicle dimethyl sulfoxide (OV), and acetaminophen treatment (30 mg/kg/day for 26 weeks), and lean Zucker rats served as healthy controls. Significant tubulointerstitial injuries were observed in both OC and OV animals, evidenced by increased tubular cell death, tubular atrophy/dilation, inflammatory cell infiltration, and fibrosis. These tubulointerstitial alterations were significantly reduced by treatment with a chronic but low dose of acetaminophen, which acted to diminish NADPH oxidase isoforms Nox2 and Nox4 and decrease tubulointerstitial oxidative stress (reduced tissue superoxide and macromolecular oxidation). Decreased oxidative stress by acetaminophen was paralleled by the reduction of tubular proapoptotic signaling (diminished Bax/Bcl-2 ratio and caspase 3 activation) and the alleviation of tubular epithelial-to-mesenchymal transition (decreased transforming growth factor β, connective tissue growth factor, α-smooth muscle actin, and laminin). These data suggest that increased oxidative stress plays a critical role in mediating metabolic syndrome-induced tubulointerstitial injury and provide the first evidence suggesting that acetaminophen may be of therapeutic benefit for the prevention of tubulointerstitial injury.
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Affiliation(s)
- Cuifen Wang
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA; Southeast University, Nanjing, Jiangsu, China
| | - Eric R Blough
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA.
| | - Ravikumar Arvapalli
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA
| | - Xiaoniu Dai
- Southeast University, Nanjing, Jiangsu, China
| | - Satyanarayana Paturi
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA
| | - Nandini Manne
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; Joan C. Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA
| | - Hari Addagarla
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA
| | - William E Triest
- Huntington Veterans Affairs Medical Center, Huntington, WV 25704, USA
| | - Omolola Olajide
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA
| | - Miaozong Wu
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV 25755, USA; School of Pharmacy, Marshall University, Huntington, WV 25755, USA; Joan C. Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA.
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40
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Mauger AR, Hopker JG. The effect of acetaminophen ingestion on cortico-spinal excitability. Can J Physiol Pharmacol 2013; 91:187-9. [DOI: 10.1139/cjpp-2012-0213] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Acetaminophen (ACT) facilitates the inhibition of voltage-gated calcium and sodium currents, which may effect cortico-spinal excitability. Twelve subjects ingested acetaminophen or a placebo and underwent transcranial magnetic stimulation to assess the motor evoked potential (MEP), and cortical silent period (CSP). ACT significantly increased MEP response (P > 0.05) but had no effect on CSP (P > 0.05). This indicates that ACT increases MEP and should be controlled for in studies where these measures are of interest.
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Affiliation(s)
- Alexis R. Mauger
- Endurance Research Group, School of Sport and Exercise Sciences, Faculty of Science, University of Kent, Kent, England
| | - James G. Hopker
- Endurance Research Group, School of Sport and Exercise Sciences, Faculty of Science, University of Kent, Kent, England
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