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Jiang J, Xu S, Chen Z, Liu W, Zhang L, Li J, Zhu Z, Zhou L. Animal models: An essential tool to dissect the heterogeneity of chronic obstructive pulmonary disease. J Transl Int Med 2023; 11:4-10. [PMID: 37533843 PMCID: PMC10393054 DOI: 10.2478/jtim-2023-0007] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023] Open
Affiliation(s)
- Jingxian Jiang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
| | - Shuanglan Xu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
| | - Zi Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
| | - Weihua Liu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
| | - Liuchao Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
| | - Jianmin Li
- Animal Core Facility, Key Laboratory of Model Animal, Nanjing Medical University, Nanjing211166, Jiangsu Province, China
| | - Zhou Zhu
- Department of Pediatrics and Department of Molecular Microbiology and Immunology, Brown University Warren Alpert Medical School, Providence, RI02912, USA
| | - Linfu Zhou
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
- Animal Core Facility, Key Laboratory of Model Animal, Nanjing Medical University, Nanjing211166, Jiangsu Province, China
- Institute of Integrative Medicine, Nanjing Medical University, Nanjing210029, Jiangsu Province, China
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Rolipram Prevents the Formation of Abdominal Aortic Aneurysm (AAA) in Mice: PDE4B as a Target in AAA. Antioxidants (Basel) 2021; 10:antiox10030460. [PMID: 33809405 PMCID: PMC8000788 DOI: 10.3390/antiox10030460] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 12/25/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is a common life-threatening condition characterized by exacerbated inflammation and the generation of reactive oxygen species. Pharmacological treatments to slow AAA progression or to prevent its rupture remain a challenge. Targeting phosphodiesterase 4 (PDE4) has been verified as an effective therapeutic strategy for an array of inflammatory conditions; however, no studies have assessed yet PDE4 in AAA. Here, we used angiotensin II (AngII)-infused apolipoprotein E deficient mice to study the involvement of the PDE4 subfamily in aneurysmal disease. PDE4B but not PDE4D was upregulated in inflammatory cells from both experimental and human AAA. The administration of the PDE4 selective inhibitor rolipram (3 mg/kg/day) to AngII-challenged mice (1000 ng/kg bodyweight/min) protected against AAA formation, limiting the progressive increase in the aortic diameter without affecting the blood pressure. The drug strongly attenuated the rise in vascular oxidative stress (superoxide anion) induced by AngII, and decreased the expression of inflammatory markers, as well as the recruitment of macrophages (MAC3+), lymphocytes (CD3+), and neutrophils (ELANE+) into the vessel wall. Rolipram also normalized the vascular MMP2 expression and MMP activity, preserving the elastin integrity and improving the vascular remodelling. These results point to PDE4B as a new therapeutic target for AAA.
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Maarsingh H, Bidan CM, Brook BS, Zuidhof AB, Elzinga CRS, Smit M, Oldenburger A, Gosens R, Timens W, Meurs H. Small airway hyperresponsiveness in COPD: relationship between structure and function in lung slices. Am J Physiol Lung Cell Mol Physiol 2019; 316:L537-L546. [PMID: 30628486 PMCID: PMC6459292 DOI: 10.1152/ajplung.00325.2018] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The direct relationship between pulmonary structural changes and airway hyperresponsiveness (AHR) in chronic obstructive pulmonary disease (COPD) is unclear. We investigated AHR in relation to airway and parenchymal structural changes in a guinea pig model of COPD and in COPD patients. Precision-cut lung slices (PCLS) were prepared from guinea pigs challenged with lipopolysaccharide or saline two times weekly for 12 wk. Peripheral PCLS were obtained from patients with mild to moderate COPD and non-COPD controls. AHR to methacholine was measured in large and small airways using video-assisted microscopy. Airway smooth muscle mass and alveolar airspace size were determined in the same slices. A mathematical model was used to identify potential changes in biomechanical properties underlying AHR. In guinea pigs, lipopolysaccharide increased the sensitivity of large (>150 μm) airways toward methacholine by 4.4-fold and the maximal constriction of small airways (<150 μm) by 1.5-fold. Similarly increased small airway responsiveness was found in COPD patients. In both lipopolysaccharide-challenged guinea pigs and patients, airway smooth muscle mass was unaltered, whereas increased alveolar airspace correlated with small airway hyperresponsiveness in guinea pigs. Fitting the parameters of the model indicated that COPD weakens matrix mechanical properties and enhances stiffness differences between the airway and the parenchyma, in both species. In conclusion, this study demonstrates small airway hyperresponsiveness in PCLS from COPD patients. These changes may be related to reduced parenchymal retraction forces and biomechanical changes in the airway wall. PCLS from lipopolysaccharide-exposed guinea pigs may be useful to study mechanisms of small airway hyperresponsiveness in COPD.
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Affiliation(s)
- Harm Maarsingh
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Department of Pharmaceutical Sciences, Lloyd L. Gregory School of Pharmacy, Palm Beach Atlantic University , West Palm Beach, Florida.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
| | - Cécile M Bidan
- Laboratoire Interdisciplinaire de Physique, Centre for Scientific Research, Université Grenoble Alpes , Grenoble , France.,Department of Biomaterials, Max Planck Institute of Colloids and Interfaces , Potsdam , Germany
| | - Bindi S Brook
- School of Mathematical Sciences, University of Nottingham , Nottingham , United Kingdom
| | - Annet B Zuidhof
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
| | - Carolina R S Elzinga
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
| | - Marieke Smit
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Department of Pathology and Medical Biology, University Medical Center Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands
| | - Anouk Oldenburger
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
| | - Wim Timens
- Department of Pathology and Medical Biology, University Medical Center Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands
| | - Herman Meurs
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Asthma and Chronic Obstructive Pulmonary Disease, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands.,Groningen Research Institute of Pharmacy, University of Groningen , Groningen , The Netherlands
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Hwang TL, Tang MC, Kuo LM, Chang WD, Chung PJ, Chang YW, Fang YC. YC-1 potentiates cAMP-induced CREB activation and nitric oxide production in alveolar macrophages. Toxicol Appl Pharmacol 2012; 260:193-200. [DOI: 10.1016/j.taap.2012.02.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Revised: 02/07/2012] [Accepted: 02/14/2012] [Indexed: 01/20/2023]
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Activation pattern of neutrophils from blood of elderly individuals with Candida-related denture stomatitis. Eur J Clin Microbiol Infect Dis 2011; 31:1271-7. [PMID: 22120419 DOI: 10.1007/s10096-011-1439-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 09/23/2011] [Indexed: 01/28/2023]
Abstract
We have identified impaired neutrophils in elderly individuals which could be involved with Candida-related denture stomatitis (DS), an oral infection predominantly caused by Candida albicans, affecting especially elderly individuals using dental prosthesis. However, specific mechanisms performed by neutrophil contributing to the susceptibility of the elderly to DS are not fully understood. This study evaluated activation features of blood neutrophils from elderly and young individuals with DS. Blood neutrophils cultured with C. albicans from elderly subjects secreted decreased levels of CXCL8. However, C. albicans challenged-neutrophils from DS patients produced high IL-4 and IL-10, and low GM-CSF levels, regardless of age. Additional elastase activity of neutrophils from both elderly groups was detected after incubation with C. albicans, but only neutrophils from elderly DS demonstrated high myeloperoxidase activity. Therefore, DS patients have affected neutrophils, and the advance of age intensifies these damages. In summary, individuals with Candida-related denture stomatitis presented variation in the neutrophil phenotype and activation. Such alterations were more intense in neutrophils from infected elderly individuals.
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Tannu SA, Renzetti LM, Tare N, Ventre JD, Lavelle D, Lin TA, Morschauser A, Paciorek J, Bolin DR, Michel H, Singer L, Hargaden M, Knowles I, Gardiner P, Cazzola M, Calzetta L, Matera MG, Hicks A. Dual bronchodilatory and pulmonary anti-inflammatory activity of RO5024118, a novel agonist at vasoactive intestinal peptide VPAC2 receptors. Br J Pharmacol 2011; 161:1329-42. [PMID: 20735404 DOI: 10.1111/j.1476-5381.2010.00975.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND AND PURPOSE Vasoactive intestinal peptide is expressed in the respiratory tract and induces its effects via its receptors, VPAC(1) and VPAC(2). RO5024118 is a selective VPAC(2) receptor agonist derived via chemical modification of an earlier VPAC(2) agonist, RO0251553. In the present studies, we characterized the pharmacological activity of RO5024118. EXPERIMENTAL APPROACH Stability of RO5024118 to human neutrophil elastase was assessed. Bronchodilatory activity of RO5024118 was investigated in guinea pig and human isolated airway smooth muscle preparations and in a guinea pig bronchoconstriction model. Pulmonary anti-inflammatory activity of RO5024118 was investigated in a lipopolysaccharide mouse model and in a porcine pancreatic elastase (PPE) rat model. KEY RESULTS RO5024118 demonstrated increased stability to neutrophil elastase compared with RO0251553. In human and guinea pig isolated airway preparations, RO5024118 induced bronchodilatory effects comparable with RO0251553 and the long-acting β-agonist salmeterol and was significantly more potent than native vasoactive intestinal peptide and the short-acting β-agonist salbutamol. In 5-HT-induced bronchoconstriction in guinea pigs, RO5024118 exhibited inhibitory activity with similar efficacy as, and longer duration than, RO0251553. In a lipopolysaccharide-mouse model, RO5024118 inhibited neutrophil and CD8(+) cells and myeloperoxidase levels. In rats, intratracheal instillation of PPE induced airway neutrophilia that was resistant to dexamethasone. Pretreatment with RO5024118 significantly inhibited PPE-induced neutrophil accumulation. CONCLUSIONS AND IMPLICATIONS These results demonstrate that RO5024118 induces dual bronchodilatory and pulmonary anti-inflammatory activity and may be beneficial in treating airway obstructive and inflammatory diseases. LINKED ARTICLES This article is part of a themed section on Analytical Receptor Pharmacology in Drug Discovery. To view the other articles in this section visit http://dx.doi.org/10.1111/bph.2010.161.issue-6.
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Affiliation(s)
- S A Tannu
- RNA Therapeutics, Roche, Nutley, New Jersey 07110, USA
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Gasparoto TH, Vieira NA, Porto VC, Campanelli AP, Lara VS. Differences between salivary and blood neutrophils from elderly and young denture wearers. J Oral Rehabil 2011; 38:41-51. [PMID: 20663018 DOI: 10.1111/j.1365-2842.2010.02126.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We previously showed that neutrophils from patients with Candida-related denture stomatitis exhibited damaged function, and the advance in age intensified this condition. Because such alterations had been determined in elderly people that were not denture wearers, the purpose of this study was to clarify functional and phenotypic characteristics of neutrophils from elderly denture wearers (EDW) and young denture wearers (YDW) without oral lesion. We enrolled 20 denture wearers (12 EDW and 8 YDW) and determined the positivity of Candida species on maxillary prosthesis and palate. Additionally, blood and salivary neutrophils were evaluated. Furthermore, cytokines and chemokines salivary levels were detected. YDW presented higher positivity of Candida albicans than elderly ones. However, blood neutrophils from EDW expressed less CXCR1, CD62L and CD11b and had lower C. albicans phagocytosis than YDW. Although myeloperoxidase and elastase activity was significantly higher in C. albicans-stimulated blood neutrophils from elderly, they produced high levels of IL-10 and low levels of Granulocyte macrophage-colony stimulating factor (GM-CSF). Despite apoptosis rate of salivary neutrophils was enhanced, these cells were at a high number in YDW. GM-CSF and IL10 were lower in saliva from elderly group. These data confirmed that ageing affects blood and salivary neutrophils and could predispose elderly to persistent oral infections.
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Affiliation(s)
- T H Gasparoto
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.
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Gasparoto TH, Sipert CR, de Oliveira CE, Porto VC, Santos CF, Campanelli AP, Lara VS. Salivary immunity in elderly individuals presented with Candida-related denture stomatitis. Gerodontology 2011; 29:e331-9. [DOI: 10.1111/j.1741-2358.2011.00476.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Administration of PDE4 inhibitors suppressed the pannus-like inflammation by inhibition of cytokine production by macrophages and synovial fibroblast proliferation. Mediators Inflamm 2008; 2007:58901. [PMID: 18274640 PMCID: PMC2233982 DOI: 10.1155/2007/58901] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2007] [Revised: 08/10/2007] [Accepted: 09/03/2007] [Indexed: 11/17/2022] Open
Abstract
A marked proliferation of synovial fibroblasts in joints leads to pannus formation in rheumatoid arthritis (RA). Various kinds of cytokines are produced in the pannus. The purpose of this study is to elucidate the effects of phosphodiesterase 4 (PDE4) inhibitors in a new animal model for the evaluation of pannus formation and cytokine production in the pannus. Mice sensitized with methylated bovine serum albumin (mBSA) were challenged by subcutaneous implantation of a membrane filter soaked in mBSA solution in the back of the mice. Drugs were orally administered for 10 days. The granuloma formed around the filter was collected on day 11. It was chopped into pieces and cultured in vitro for 24 hr. The cytokines were measured in the supernatants. The type of cytokines produced in the granuloma was quite similar to those produced in pannus in RA. Both PDE4 inhibitors, KF66490 and SB207499, suppressed the production of IL-1beta, TNF-alpha, and IL-12, and the increase in myeloperoxidase activity, a marker enzyme for neutrophils and hydroxyproline content. Compared to leflunomide, PDE4 inhibitors more strongly suppressed IL-12 production and the increase in myeloperoxidase activity. PDE4 inhibitors also inhibited lipopolysaccharide-induced TNF-alpha and IL-12 production from thioglycolate-induced murine peritoneal macrophages and the proliferation of rat synovial fibroblasts. These results indicate this model makes it easy to evaluate the effect of drugs on various cytokine productions in a granuloma without any purification step and may be a relevant model for evaluating novel antirheumatic drugs on pannus formation in RA. PDE4 inhibitors could have therapeutic effects on pannus formation in RA by inhibition of cytokine production by macrophages and synovial fibroblast proliferation.
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Nénan S, Lagente V, Planquois JM, Hitier S, Berna P, Bertrand CP, Boichot E. Metalloelastase (MMP-12) induced inflammatory response in mice airways: Effects of dexamethasone, rolipram and marimastat. Eur J Pharmacol 2007; 559:75-81. [PMID: 17234180 DOI: 10.1016/j.ejphar.2006.11.070] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2006] [Revised: 11/29/2006] [Accepted: 11/30/2006] [Indexed: 11/18/2022]
Abstract
Direct instillation of a recombinant human form of MMP-12 (rhMMP-12) in mice airways elicited an early inflammatory response characterized by neutrophil influx, cytokine release and gelatinase activation followed by a delayed response, mainly characterized by macrophage recruitment. As this experimental model of lung inflammation partially mimics some features of chronic obstructive pulmonary disease (COPD), we have investigated the effects of treatment by anti-inflammatory compounds, dexamethasone and rolipram and a non-specific matrix metalloproteinase (MMP) inhibitor, marimastat. The compounds were administrated orally, 1 h before rhMMP-12 instillation (8 x 10(-3) U/mouse). Total and differential cell counts were evaluated in the bronchoalveolar lavage fluids. Cytokines and MMP-9 were quantified in bronchoalveolar lavage fluids and in lung homogenate supernatants. Marimastat (100 mg/kg), dexamethasone (10 mg/kg) and rolipram (0.1 and 0.3 mg/kg) were able to decrease significantly neutrophil recruitment at 4 and 24 h after rhMMP-12 instillation, but only marimastat (30 and 100 mg/kg) was effective at decreasing the macrophage recruitment occurring at day 7. Marimastat (100 mg/kg), dexamethasone (10 mg/kg) and rolipram (0.3 mg/kg) reduced significantly IL-6, KC/CXCL1, MIP-1alpha/CCL3 and MMP-9 levels in bronchoalveolar lavage fluid. Similar results were obtained in lung homogenates except with rolipram. Dexamethasone and rolipram were able to inhibit the early inflammatory response but were ineffective to limit the macrophage influx. In contrast, marimastat was able to reduce early and late response. These data indicate that MMP-12 instillation in mice could highlight some of the inflammatory response seen in COPD and could be used for the pharmacological evaluation of new anti-inflammatory mechanisms of action.
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Affiliation(s)
- Soazig Nénan
- INSERM U620, University of Rennes 1, Rennes, France
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Erdogan S, Celik S, Aslantas O, Kontas T, Ocak S. Elevated cAMP levels reverse Brucella melitensis-induced lipid peroxidation and stimulate IL-10 transcription in rats. Res Vet Sci 2006; 82:181-6. [PMID: 17014875 DOI: 10.1016/j.rvsc.2006.07.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2006] [Revised: 07/11/2006] [Accepted: 07/19/2006] [Indexed: 11/25/2022]
Abstract
Brucella species are able to survive and replicate within the phagocytic vacuole of macrophages that induce chronic infection in humans and domestic animals. The activation of oxidative bactericidal activity is one of the defense systems which protect the host from the toxic effects of pathogens. The aim of this study was to evaluate lipid peroxidation, NO production, antioxidative system and inflammation during a period of brucella infection in a rat model; in addition to investigate the role of elevated intracellular cyclic AMP on Brucella-induced events. Brucella significantly induced lipid peroxidation in plasma, liver and spleen by 3-5-fold at 7 days postinfection. NO concentration was significantly elevated in the liver and spleen while unchanged in plasma. Cyclic AMP elevating agent, rolipram, administration (1mg/kg/day i.p., 3 days) gradually suppressed lipid peroxidation and NO formation to the basal level in plasma and spleen whilst only a slight decrease was observed in liver. Brucella considerably decreased SOD activity in the liver and spleen, with rolipram restoring the enzyme activity in liver and activity in spleen being unchanged. Reverse transcriptase PCR analyses showed that Brucella melitensis does not alter TNF-alpha and IFN-gamma transcriptions in liver and spleen. The pathogen did not consistently induce nitric oxide synthase mRNA transcriptions in animals; even in those housed in the same group. IL-10 transcription was induced by rolipram in spleen but not in liver. Our results suggest that activation of the cAMP/PKA pathway suppressed lipid peroxidation and the elevated NO concentrations caused by B. melitensis. Moreover, rolipram induced anti-inflammatory cytokine IL-10 transcription and SOD activity, albeit in a tissue dependent manner.
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Affiliation(s)
- S Erdogan
- Department of Biochemistry, Faculty of Veterinary Medicine, Mustafa Kemal University, 31034 Antakya, Turkey.
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