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da Rocha EMT, Bracht L, Gonçalves OH, Leimann FV, Ames FQ, Schneider LCL, Duda JV, Cardia GFE, Bonetti CI, Cuman RKN, Bersani-Amado CA. Development and characterization of trans-anethole-containing solid lipid microparticles: antiinflammatory and gastroprotective effects in experimental inflammation. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:469-484. [PMID: 36385686 DOI: 10.1007/s00210-022-02323-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 11/03/2022] [Indexed: 11/18/2022]
Abstract
The present study prepared, optimized, and characterized solid lipid microparticles that contained trans-anethole (SLMAN), evaluated their antiinflammatory activity in acute and chronic inflammation models, and investigated their effects on the gastric mucosa in arthritic rats. The microparticles were obtained by a hot homogenization process and characterized by physicochemical analyses. The acute inflammatory response was induced by an intradermal injection of 0.1 ml of carrageenan solution (200 μg) in the hind paw. The rats were treated orally with a single dose of SLMAN 1 h before induction of the inflammatory response. The chronic inflammatory response was induced by the subcutaneous application of 0.1 ml of complete Freund's adjuvant suspension (500 µg) in the hind paw. SLMAN was orally administered, starting on the day of arthritis induction, and continued for 21 days. The results showed that SLMAN was obtained with good encapsulation efficiency. Treatment with SLMAN at doses of 25 and 50 mg/kg was as effective as trans-anethole (AN) at a dose of 250 mg/kg on acute and chronic inflammatory responses. Histological analyses showed that treatment with SLMAN did not aggravate lesions in the gastric mucosa in arthritic rats. These results indicated that treatment with SLMAN at a dose that was 5-10 times lower than non-encapsulated AN exerted an inhibitory effect on acute and chronic inflammatory responses, suggesting the better bioavailability and efficacy of microencapsulated AN without aggravating lesions in the gastric mucosa in arthritic rats.
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Affiliation(s)
- Edvalkia Magna Teobaldo da Rocha
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Lívia Bracht
- Department of Biochemistry, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Odinei Hess Gonçalves
- Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology - Paraná (UTFPR), BR 369, Km 0.5, POBox 271, Campo Mourão, PR, 87301-006, Brazil
| | - Fernanda Vitória Leimann
- Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology - Paraná (UTFPR), BR 369, Km 0.5, POBox 271, Campo Mourão, PR, 87301-006, Brazil
| | - Franciele Queiroz Ames
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Larissa Carla Lauer Schneider
- Department of Morphological Sciences, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - João Victor Duda
- Department of Morphological Sciences, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Gabriel Fernando Esteves Cardia
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
| | - Carla Indianara Bonetti
- Department of Biochemistry, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, Maringá, PR, 87020-900, Brazil
| | - Roberto Kenji Nakamura Cuman
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil.
| | - Ciomar Aparecida Bersani-Amado
- Department of Pharmacology and Therapeutics, Bloco K68, State University of Maringá (UEM), Avenue Colombo, 5790, Jd. Universitário, 87020-900, Maringá, Brazil
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Huang L, Ma Y, Guo H, Tang N, Ouyang S, Nuro-Gyina P, Tao L, Liu Y, O'Brien MC, Langdon WY, Zhang J. Akt-2 Is a Potential Therapeutic Target for Disseminated Candidiasis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:991-1000. [PMID: 36130126 PMCID: PMC11141526 DOI: 10.4049/jimmunol.2101003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 06/30/2022] [Indexed: 05/22/2024]
Abstract
Akt-1 and Akt-2 are the major isoforms of the serine/threonine Akt family that play a key role in controlling immune responses. However, the involvement of Akt-1 and Akt-2 isoforms in antifungal innate immunity is completely unknown. In this study, we show that Akt2 -/-, but not Akt1 -/-, mice are protected from lethal Candida albicans infection. Loss of Akt-2 facilitates the recruitment of neutrophils and macrophages to the spleen and increases reactive oxygen species expression in these cells. Treating C57BL/6 mice with a specific inhibitor for Akt-2, but not Akt-1, provides protection from lethal C. albicans infection. Our data demonstrate that Akt-2 inhibits antifungal innate immunity by hampering neutrophil and macrophage recruitment to spleens and suppressing oxidative burst, myeloperoxidase activity, and NETosis. We thus describe a novel role for Akt-2 in the regulation of antifungal innate immunity and unveil Akt-2 as a potential target for the treatment of fungal sepsis.
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Affiliation(s)
- Ling Huang
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yilei Ma
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA
| | - Hui Guo
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA
| | - Na Tang
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA
| | - Song Ouyang
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH
- Department of Neurology, The First Hospital of Changsha City, South China University, Changsha, Hunan, People's Republic of China
| | - Patrick Nuro-Gyina
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH
| | - Lijian Tao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Yusen Liu
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH; and
| | - Matthew C O'Brien
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA
| | - Wallace Y Langdon
- School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Jian Zhang
- Department of Pathology, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA;
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH
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Oxidative Stress Induces HSP90 Upregulation on the Surface of Primary Human Endothelial Cells: Role of the Antioxidant 7,8-Dihydroxy-4-methylcoumarin in Preventing HSP90 Exposure to the Immune System. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2373167. [PMID: 29849874 PMCID: PMC5914108 DOI: 10.1155/2018/2373167] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 01/19/2018] [Accepted: 02/15/2018] [Indexed: 12/16/2022]
Abstract
We have previously demonstrated that human heat shock protein 90 (HSP90), an intracellular self protein, is the target of cellular and humoral autoimmune responses in patients with carotid atherosclerosis. In this study, we evaluated in vitro whether oxidative stress, a feature of atherosclerotic plaque, alters HSP90 expression in endothelial cells, thus inducing surface localization of this molecule and whether the antioxidant compound 7,8-dihydroxy-4-methylcoumarin (7,8-DHMC) is able to prevent oxidative stress-induced alterations of HSP90 localization. By the use of flow cytometry, immunofluorescence, enzyme-linked immunosorbent assay, and semiquantitative reverse-transcription polymerase chain reaction, we demonstrated that exposure of human umbilical vein endothelial cells (HUVEC) to the prooxidant compound H2O2 upregulated HSP90 surface expression and reduced its secretion without altering HSP90 gene expression and intracytoplasmic protein levels. Pretreatment of HUVEC with 7,8-DHMC prevented H2O2-induced alterations of HSP90 cellular distribution and secretion. Our results suggest that the strong oxidative conditions of atherosclerotic plaques promote the upregulation of HSP90 surface expression on endothelial cells, thus rendering the protein a possible target of autoimmune reactions. The antioxidant 7,8-DHMC, by preventing oxidative-stress-triggered HSP90 surface upregulation, may be useful to counteract possible autoreactive reactions to HSP90.
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Andrade MF, Kabeya LM, Bortot LO, Dos Santos GB, Santos EOL, Albiero LR, Figueiredo-Rinhel ASG, Carvalho CA, Azzolini AECS, Caliri A, Pupo MT, Emery FS, Lucisano-Valim YM. The 3-phenylcoumarin derivative 6,7-dihydroxy-3-[3',4'-methylenedioxyphenyl]-coumarin downmodulates the FcγR- and CR-mediated oxidative metabolism and elastase release in human neutrophils: Possible mechanisms underlying inhibition of the formation and release of neutrophil extracellular traps. Free Radic Biol Med 2018; 115:421-435. [PMID: 29248721 DOI: 10.1016/j.freeradbiomed.2017.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 11/12/2017] [Accepted: 12/08/2017] [Indexed: 11/19/2022]
Abstract
In this study, we report the ability of a set of eight 3-phenylcoumarin derivatives bearing 6,7- or 5,7-dihydroxyl groups, free or acetylated, bound to the benzopyrone moiety, to modulate the effector functions of human neutrophils. In general, (i) 6,7-disubstituted compounds (5, 6, 19, 20) downmodulated the Fcγ receptor-mediated neutrophil oxidative metabolism more strongly than 5,7-disubstituted compounds (21, 22, 23, 24), and (ii) hydroxylated compounds (5, 19, 21, 23) downmodulated this neutrophil function more effectively than their acetylated counterparts (6, 20, 22, 24, respectively). Compounds 5 (6,7-dihydroxy-3-[3',4'-methylenedioxyphenyl]-coumarin) and 19 (6,7-dihydroxy-3-[3',4'-dihydroxyphenyl]-coumarin) effectively downmodulated the neutrophil oxidative metabolism elicited via Fcγ and/or complement receptors. Compound 5 also downmodulated the immune complex-stimulated phagocytosis, degranulation of elastase, and production and release of neutrophil extracellular traps, as well as the human neutrophil chemotaxis towards n-formyl-methionyl-leucyl-phenylalanine, without altering the expression level of formyl peptide receptor type 1. Both compounds 5 and 19 did not impair the neutrophil capacity to recognize and kill Candida albicans. Docking calculations revealed that compounds 5 and 19 directly interacted with three catalytic residues - Gln-91, His-95, and Arg-239 - inside the myeloperoxidase active site. Together, these findings indicate that (i) inhibition of reactive oxygen species generation and degranulation of elastase are closely associated with downmodulation of release of neutrophil extracellular traps; and (ii) compound 5 can be a prototype for the development of novel immunomodulating drugs to treat immune complex-mediated inflammatory diseases.
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Affiliation(s)
- Micássio F Andrade
- Department of de Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes n. 3900, CEP 14049-900 Ribeirão Preto, SP, Brazil; Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Luciana M Kabeya
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Leandro O Bortot
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Gabriela B Dos Santos
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Everton O L Santos
- Department of de Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes n. 3900, CEP 14049-900 Ribeirão Preto, SP, Brazil; Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Lucinéia R Albiero
- Department of de Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes n. 3900, CEP 14049-900 Ribeirão Preto, SP, Brazil
| | - Andréa S G Figueiredo-Rinhel
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Camila A Carvalho
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Ana Elisa C S Azzolini
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Antonio Caliri
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Mônica T Pupo
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Flavio S Emery
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil
| | - Yara Maria Lucisano-Valim
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, CEP 14040-903 Ribeirão Preto, SP, Brazil.
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Novrizal Abdi Sahid M, Nugroho AE, Susidarti RA, Maeyama K. Effects of 8-Hydroxyisocapnolactone-2-3-diol and friedelin on mast cell degranulation. ASIAN PAC J TROP MED 2017; 10:1043-1046. [PMID: 29203099 DOI: 10.1016/j.apjtm.2017.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/23/2017] [Accepted: 09/27/2017] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To investigate the effects of friedelin (terpenoid) and 8-hydroxyisocapnolactone-2-3-diol (coumarin) with concentration 10 μM, 30 μM, and 100 μM on inhibiting mast cells (MCs) degranulation. METHODS The investigation was performed in vitro by administering each compound into rat peritoneal MCs and rat basophilic leukemia-2H3 cells followed by activation with 50 μg/mL of compound 48/80 or 1 μM of ionomycin. The concentration of histamine released from each group was measured by a high-performance liquid chromatography-fluorometry system with post-column derivatization using o-phthalaldehyde. RESULTS 8-Hydroxyisocapnolactone-2-3-diol inhibited degranulation of compound 48/80 activated-rat peritoneal MCs with the histamine release percentages of 74.57%, 72.21% and 51.79% when the 10 μM, 30 μM and 100 μM concentrations were used, respectively. Where as about 81% histamine was released by the control group. Degranulation inhibition ability was also observed in ionomycin-activated rat basophilic leukemia-2H3 cells. In contrast, friedelin failed to inhibit degranulation in either cell type. The inhibition of 8-hydroxyisocapnolactone-2-3-diol was not related to the depletion of histamine synthesis as implied by the total histamine measurement. CONCLUSIONS These results exhibit the promising of 8-hydroxyisocapnolactone-2-3-diol is a potential parent structure for developing a MCs stabilizer.
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Affiliation(s)
- Muhammad Novrizal Abdi Sahid
- Department of Pharmacology, Graduate School of Medicine, Ehime University, Ehime, 791-0295, Japan; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia.
| | - Agung Endro Nugroho
- Department of Pharmacology, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia
| | - Ratna Asmah Susidarti
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia
| | - Kazutaka Maeyama
- Department of Pharmacology, Graduate School of Medicine, Ehime University, Ehime, 791-0295, Japan
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Nosáľ R, Drábiková K, Jančinová V, Mačičková T, Pečivová J, Perečko T, Harmatha J, Šmidrkal J. On the pharmacology of oxidative burst of human neutrophils. Physiol Res 2016; 64:S445-52. [PMID: 26681073 DOI: 10.33549/physiolres.933204] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The effect of three therapeutically used drugs and five polyphenolic compounds on the mechanism of oxidative burst was compared in whole blood and isolated neutrophils at cellular and molecular level. In 10 microM concentration, the compounds investigated decreased the oxidative burst of whole blood in the rank order of potency: N-feruloylserotonin (N-f-5HT) > curcumin (CUR) > quercetin (QUER) > arbutin (ARB) > resveratrol (RES) > dithiaden (DIT) > carvedilol (CARV) > brompheniramine (BPA). The ratio between the percentage inhibition of extracellular versus intracellular chemiluminescence (CL) followed the rank order QUER > N-f-5HT > RES > CUR > DIT and is indicative of the positive effect of the compounds tested against oxidative burst of neutrophils, demonstrating suppression of reactive oxygen species extracellularly with minimal alteration of intracellular reactive oxygen species (ROS). Activation of protein kinase C was significantly decreased by DIT, CUR, QUER and N-f-5HT. CARV, DIT, QUER and ARB reduced activated neutrophil myeloperoxidase release more significantly compared with the effect on superoxide anion generation. All compounds tested increased the activity of caspase-3 in cell-free system. It is suggested that other regulatory mechanisms than protein kinase C might participate in the inhibition of neutrophil activation with the compounds tested. Different mechanisms are concerned in controlling the assembly of NADPH oxidase and the regulatory role of calcium ions is suggested. Compounds decreasing the amount of extracellular ROS generation, yet affecting but minimally intracellular ROS generation, are promising for further investigation in vivo.
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Affiliation(s)
- R Nosáľ
- Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Bratislava, Slovakia.
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Niu Y, Li S, Lin Z, Liu M, Wang D, Wang H, Chen S. Development of propidium iodide as a fluorescence probe for the on-line screening of non-specific DNA-intercalators in Fufang Banbianlian Injection. J Chromatogr A 2016; 1463:102-9. [DOI: 10.1016/j.chroma.2016.08.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/02/2016] [Accepted: 08/06/2016] [Indexed: 11/27/2022]
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Jančinová V, Pažoureková S, Lucová M, Perečko T, Mihalová D, Bauerová K, Nosáľ R, Drábiková K. Selective inhibition of extracellular oxidants liberated from human neutrophils—A new mechanism potentially involved in the anti-inflammatory activity of hydroxychloroquine. Int Immunopharmacol 2015; 28:175-81. [DOI: 10.1016/j.intimp.2015.05.048] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 05/07/2015] [Accepted: 05/30/2015] [Indexed: 11/27/2022]
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