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Lovászi M, Németh ZH, Gause WC, Gummadova J, Pacher P, Haskó G. Inosine monophosphate and inosine differentially regulate endotoxemia and bacterial sepsis. FASEB J 2021; 35:e21935. [PMID: 34591327 PMCID: PMC9812230 DOI: 10.1096/fj.202100862r] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 01/07/2023]
Abstract
Inosine monophosphate (IMP) is the intracellular precursor for both adenosine monophosphate and guanosine monophosphate and thus plays a central role in intracellular purine metabolism. IMP can also serve as an extracellular signaling molecule, and can regulate diverse processes such as taste sensation, neutrophil function, and ischemia-reperfusion injury. How IMP regulates inflammation induced by bacterial products or bacteria is unknown. In this study, we demonstrate that IMP suppressed tumor necrosis factor (TNF)-α production and augmented IL-10 production in endotoxemic mice. IMP exerted its effects through metabolism to inosine, as IMP only suppressed TNF-α following its CD73-mediated degradation to inosine in lipopolysaccharide-activated macrophages. Studies with gene targeted mice and pharmacological antagonism indicated that A2A , A2B, and A3 adenosine receptors are not required for the inosine suppression of TNF-α production. The inosine suppression of TNF-α production did not require its metabolism to hypoxanthine through purine nucleoside phosphorylase or its uptake into cells through concentrative nucleoside transporters indicating a role for alternative metabolic/uptake pathways. Inosine augmented IL-β production by macrophages in which inflammasome was activated by lipopolysaccharide and ATP. In contrast to its effects in endotoxemia, IMP failed to affect the inflammatory response to abdominal sepsis and pneumonia. We conclude that extracellular IMP and inosine differentially regulate the inflammatory response.
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Affiliation(s)
- Marianna Lovászi
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | - Zoltán H Németh
- Department of Anesthesiology, Columbia University, New York, NY, USA,Department of Surgery, Morristown Medical Center, Morristown, NJ, USA
| | - William C. Gause
- Center for Immunity and Inflammation and Department of Medicine, Rutgers - New Jersey Medical School, Newark, NJ, USA
| | - Jennet Gummadova
- Daresbury Proteins Ltd, Sci-Tech Daresbury, Warrington, United Kingdom
| | - Pál Pacher
- Laboratory of Cardiovascular Physiology and Tissue Injury, National Institutes of Health/NIAAA, Bethesda, MD, USA
| | - György Haskó
- Department of Anesthesiology, Columbia University, New York, NY, USA
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Igaki Y, Tanno M, Sato T, Kouzu H, Ogawa T, Osanami A, Yano T, Kuno A, Miki T, Nakamura T, Miura T. Xanthine oxidoreductase-mediated injury is amplified by upregulated AMP deaminase in type 2 diabetic rat hearts under the condition of pressure overload. J Mol Cell Cardiol 2021; 154:21-31. [PMID: 33548240 DOI: 10.1016/j.yjmcc.2021.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 01/09/2021] [Accepted: 01/26/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND We previously reported that upregulated AMP deaminase (AMPD) contributes to diastolic ventricular dysfunction via depletion of the adenine nucleotide pool in a rat model of type 2 diabetes (T2DM), Otsuka Long-Evans-Tokushima Fatty rats (OLETF). Meanwhile, AMPD promotes the formation of substrates of xanthine oxidoreductase (XOR), which produces ROS as a byproduct. Here, we tested the hypothesis that a functional link between upregulated AMPD and XOR is involved in ventricular dysfunction in T2DM rats. METHODS AND RESULTS Pressure-volume loop analysis revealed that pressure overloading by phenylephrine infusion induced severer left ventricular diastolic dysfunction (tau: 14.7 ± 0.8 vs 12.5 ± 0.7 msec, left ventricular end-diastolic pressure: 18.3 ± 1.5 vs 12.2 ± 1.3 mmHg, p < 0.05) and ventricular-arterial uncoupling in OLETF than in LETO, non-diabetic rats, though the baseline parameters were comparable in the two groups. While the pressure overload did not affect AMPD activity, it increased XOR activity both in OLETF and LETO, with OLETF showing significantly higher XOR activity than that in LETO (347.2 ± 17.9 vs 243.2 ± 6.1 μg/min/mg). Under the condition of pressure overload, myocardial ATP level was lower, and levels of xanthine and uric acid were higher in OLETF than in LETO. Addition of exogenous inosine, a product of AMP deamination, to the heart homogenates augmented XOR activity. OLETF showed 68% higher tissue ROS levels and 47% reduction in mitochondrial state 3 respiration compared with those in LETO. Overexpression of AMPD3 in H9c2 cells elevated levels of hypoxanthine and ROS and reduced the level of ATP. Inhibition of XOR suppressed the production of tissue ROS and mitochondrial dysfunction and improved ventricular function under the condition of pressure overload in OLETF. CONCLUSIONS The results suggest that increases in the activity of XOR and the formation of XOR substrates by upregulated AMPD contribute to ROS-mediated diastolic ventricular dysfunction at the time of increased cardiac workload in diabetic hearts.
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Affiliation(s)
- Yusuke Igaki
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masaya Tanno
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tatsuya Sato
- Department of Cellular Physiology and Signal Transduction, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hidemichi Kouzu
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toshifumi Ogawa
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Arata Osanami
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toshiyuki Yano
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Atsushi Kuno
- Department of Pharmacology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Miki
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takashi Nakamura
- Pharmaceutical Research Laboratories, Sanwa Kagaku Kenkyusho, Mie, Japan
| | - Tetsuji Miura
- Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.
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Huang Z, Zhang J, Gu Y, Cai Z, Feng X, Yang C, Xin G. Research progress on inosine monophosphate deposition mechanism in chicken muscle. Crit Rev Food Sci Nutr 2020; 62:1062-1078. [PMID: 33146022 DOI: 10.1080/10408398.2020.1833832] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
With the continuous improvements in human diet, there is an ever-increasing demand for high-quality chicken, so it is particularly important for poultry breeders to carry out the breeding of high-quality broilers in a timely fashion. Inosine monophosphate (IMP) is a flavor-enhancing substance, which plays a critical role in the umami taste of the muscle, making the content of IMP an important umami taste indicator. Currently, research on the deposition mechanism of IMP in chicken is not only necessary for chicken breeders to promote the production of high-quality meat and poultry but also to meet the human demand for chicken meat. In this paper, the research history of IMP, its structure and taste mechanisms, the pathway and influencing factors of de novo IMP synthesis, and the key genes regulating IMP synthesis and metabolism are briefly summarized. Our aim was to lay a theoretical foundation and provide scientific background and research directions for further research on high-quality broiler breeding.
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Affiliation(s)
- Zengwen Huang
- Agriculture College, Ningxia University, Yinchuan, China
| | - Juan Zhang
- Agriculture College, Ningxia University, Yinchuan, China
| | - Yaling Gu
- Agriculture College, Ningxia University, Yinchuan, China
| | - Zhengyun Cai
- Agriculture College, Ningxia University, Yinchuan, China
| | - Xiaofang Feng
- Agriculture College, Ningxia University, Yinchuan, China
| | - Chaoyun Yang
- Agriculture College, Ningxia University, Yinchuan, China
| | - Guosheng Xin
- College of Life Sciences, Ningxia University/Ningxia Feed Engineering Technology Research Center, Yinchuan, China
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Edaravone attenuates lung injury in a hind limb ischemia-reperfusion rat model: A histological, immunohistochemical and biochemical study. Ann Anat 2020; 228:151433. [DOI: 10.1016/j.aanat.2019.151433] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/29/2019] [Accepted: 10/07/2019] [Indexed: 11/20/2022]
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Melatonin attenuates lung injury in a hind limb ischemia-reperfusion rat model. REVISTA PORTUGUESA DE PNEUMOLOGIA 2015; 21:30-5. [PMID: 25854133 DOI: 10.1016/j.rppnen.2014.01.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 01/08/2014] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVE This study evaluated the protective antioxidant effect of melatonin on lung injury as a remote organ after skeletal muscle ischemia-reperfusion in rats. METHODS Thirty male Wistar rats were allocated randomly into three experimental groups: operated with no ischemia (Sham) group, ischemia-reperfusion group and ischemia-reperfusion+melatonin group. Hind limb ischemia was induced by clamping the femoral artery. After 2h ischemia, the clamp was removed and the animal underwent 24h reperfusion. Rats in the ischemia-reperfusion + melatonin group received melatonin (10 mg/kg i.v.), immediately before the clamp was removed. At the end of the trial, animals were euthanized and the lungs were removed for water content determination, histopathological and biochemical studies. RESULTS In the ischemia-reperfusion + melatonin group, tissues showed less intense histological abnormalities such as neutrophilic infiltration, intra-alveolar hemorrhage and edema compared with the ischemia-reperfusion group. Histopathologically, there was a significant difference (P < 0.05) between the two groups. The lung water content in the ischemia-reperfusion + melatonin group was significantly lower than the ischemia-reperfusion group (P < 0.05). Lung tissue myeloperoxidase (MPO) activity and nitric oxide (NO) level were significantly (P < 0.05) increased by ischemia-reperfusion. The increase in these parameters was reduced by melatonin. Comparing the ischemia-reperfusion+melatonin group with the sham group, no significant increase in all analyzed aspects of the research was observed. CONCLUSIONS These findings suggest that melatonin has preventive effects in lung tissue injury after transient femoral artery occlusion.
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Takhtfooladi H, Takhtfooladi M, Moayer F, Mobarakeh S. WITHDRAWN: Melatonin attenuates lung injury in a hind limb ischemia-reperfusion rat model. REVISTA PORTUGUESA DE PNEUMOLOGIA 2014:S0873-2159(14)00011-7. [PMID: 24661959 DOI: 10.1016/j.rppneu.2014.01.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 12/27/2013] [Accepted: 01/08/2014] [Indexed: 11/17/2022] Open
Abstract
This article has been withdrawn for editorial reasons because the journal will be published only in English. In order to avoid duplicated records, this article can be found at http://dx.doi.org/10.1016/j.rppnen.2014.01.010. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
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Affiliation(s)
- Hamed Takhtfooladi
- Faculty of Veterinary Science, Karaj Branch, Islamic Azad University, Karaj, Iran
| | - Mohammad Takhtfooladi
- Department of Surgery, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Fariborz Moayer
- Department of Pathobiology, Faculty of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran
| | - Sayed Mobarakeh
- Faculty of Medical Sciences, Shahid Sadughi University, Yazd, Iran
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Xing J, Xing F, Zhang C, Zhang Y, Wang N, Li Y, Yang L, Jiang C, Zhang C, Wen C, Jiang Y. Genome-wide gene expression profiles in lung tissues of pig breeds differing in resistance to porcine reproductive and respiratory syndrome virus. PLoS One 2014; 9:e86101. [PMID: 24465897 PMCID: PMC3900479 DOI: 10.1371/journal.pone.0086101] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 12/05/2013] [Indexed: 11/18/2022] Open
Abstract
Porcine reproductive and respiratory syndrome (PRRS) caused by PRRS virus (PRRSV) is an infectious disease characterized by severe reproductive deficiency in pregnant sows, typical respiratory symptoms in piglets, and high mortality rate of piglets. In this study, we employed an Affymetrix microarray chip to compare the gene expression profiles of lung tissue samples from Dapulian (DPL) pigs (a Chinese indigenous pig breed) and Duroc×Landrace×Yorkshire (DLY) pigs after infection with PRRSV. During infection with PRRSV, the DLY pigs exhibited a range of clinical features that typify the disease, whereas the DPL pigs showed only mild signs of the disease. Overall, the DPL group had a lower percentage of CD4+ cells and lower CD4+/CD8+ratios than the DLY group (p<0.05). For both IL-10 and TNF-α, the DLY pigs had significantly higher levels than the DPL pigs (p<0.01). The DLY pigs have lower serum IFN-γ levels than the DPL pigs (p<0.01). The serum IgG levels increased slightly from 0 dpi to 7 dpi, and peaked at 14 dpi (p<0.0001). Microarray data analysis revealed 16 differentially expressed (DE) genes in the lung tissue samples from the DLY and DPL pigs (q≤5%), of which LOC100516029 and LOC100523005 were up-regulated in the PRRSV-infected DPL pigs, while the other 14 genes were down-regulated in the PRRSV-infected DPL pigs compared with the PRRSV-infected DLY pigs. The mRNA expression levels of 10 out of the 16 DE genes were validated by real-time quantitative RT-PCR and their fold change was consistent with the result of microarray data analysis. We further analyzed the mRNA expression level of 8 differentially expressed genes between the DPL and DLY pigs for both uninfected and infected groups, and found that TF and USP18 genes were important in underlying porcine resistance or susceptibility to PRRSV.
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Affiliation(s)
- Jinyi Xing
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
- College of Life Science, Linyi University, Linyi, Shandong Province, The People’s Republic of China
| | - Feng Xing
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
- College of Animal Science, Tarim University, Ala'er, Xinjiang Uygur Autonomous Region, The People’s Republic of China
| | - Chenhua Zhang
- Department of Mathematics, The University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Yujie Zhang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
- College of Life Science, Linyi University, Linyi, Shandong Province, The People’s Republic of China
| | - Nan Wang
- School of Computing, The University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Yanping Li
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
| | - Lijuan Yang
- School of Computing, The University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Chenglan Jiang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
| | - Chaoyang Zhang
- School of Computing, The University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Changhong Wen
- School of Computing, The University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Yunliang Jiang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an, Shandong Province, The People’s Republic of China
- * E-mail:
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Li P, Ogino K, Hoshikawa Y, Morisaki H, Toyama K, Morisaki T, Morikawa K, Ninomiya H, Yoshida A, Hashimoto K, Shirayoshi Y, Hisatome I. AMP deaminase 3 plays a critical role in remote reperfusion lung injury. Biochem Biophys Res Commun 2013; 434:131-6. [PMID: 23542464 DOI: 10.1016/j.bbrc.2013.03.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 03/11/2013] [Indexed: 11/26/2022]
Abstract
Remote reperfusion lung injury following skeletal muscle ischemia and reperfusion accounts for high morbidity and mortality. AMP deaminase (AMPD), a key enzyme for nucleotide cycle, has been implicated in the regulation of this phenomenon. However, the function of Ampd2 and Ampd3 subtype has not been elucidated in remote reperfusion rodent lung injury. We utilized AMPD3 and AMPD2-deficient mice. The two types of AMPD-deficient mice and wild-type (WT) littermates were subjected to ischemia-reperfusion injury. After 3h bilateral hind-limb ischemia and reperfusion, AMPD3 mRNA, AMPD activity and inosine monophosphate (IMP) increased significantly in WT and AMPD2-deficient mice lungs, while they did not show significant alterations in AMPD3-deficient mice lungs. Genetic inactivation of Ampd3 resulted in markedly accelerated myeloperoxidase (MPO) activity along with exaggerated neutrophils infiltration and hemorrhage in the lungs compared to WT and AMPD2-deficient mice, furthermore, IMP treatment significantly attenuated MPO activity and neutrophils infiltration in WT and the two types of AMPD-deficient mice lungs after 3h reperfusion. These findings demonstrate for the first time in AMP-deficient mice models that AMPD3 plays a critical role in remote reperfusion lung injury via generation of IMP and validate the potential to use IMP into the clinical arena to attenuate remote ischemia-reperfusion lung injury.
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Affiliation(s)
- Peili Li
- Department of Genetic Medicine and Regenerative Therapeutics, Institute of Regenerative Medicine and Biofunction, Tottori University, Japan.
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Iscan S, Huseyin S, Ozdemir AC, Yalta T, Yuksel V, Aksu V, Ege T. An experimental model of aortic surgery and the effect of Iloprost on lung injury. SCAND CARDIOVASC J 2013; 47:240-4. [PMID: 23330704 DOI: 10.3109/14017431.2012.761724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Ischemia/reperfusion (I/R) damage of the lung is a frequently encountered complication following aortic surgery. The aim of the present study is to investigate the histopathological effects of Iloprost on pulmonary damage developed after I/R. DESIGN Twenty-four Sprague-Dawley rats were randomly divided into 3 groups. In the control group, aortas were not clamped. In the I/R group, aortas were occluded, and after 1 h of ischemia, clamps were removed. After 2 h of reperfusion period, lungs of the rats were extracted. In the I/R + Iloprost group after 1 h of ischemia, Iloprost infusion was initiated, and maintained for the duration of 2 h reperfusion period. For histopathological scoring, density of polymorphonuclear leucocytes, congestion, interstitial edema, and bleeding were semiquantitatively evaluated, and histopathological changes were scored. RESULTS In the I/R group, multifocal-marked histopathological changes in 5 (62.5%), and multifocal-moderate histopathological changes in 3 (37.5%) rats were detected. In the I/R + Iloprost group, multifocal-moderate histopathological changes in 4 (50%), and multifocal-mild changes in 4 (50%) rats were detected. CONCLUSIONS In the experimental rat model, administration of Iloprost has been shown to have preventive effects for pulmonary damage occurring after I/R generated by infrarenal aortic occlusion.
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Affiliation(s)
- Sahin Iscan
- Department of Cardiovascular Surgery, Faculty of Medicine, Trakya University, Edirne 22030, Turkey.
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Mabley JG, Pacher P, Murthy KGK, Williams W, Southan GJ, Salzman AL, Szabo C. The novel inosine analogue, INO-2002, protects against diabetes development in multiple low-dose streptozotocin and non-obese diabetic mouse models of type I diabetes. J Endocrinol 2008; 198:581-9. [PMID: 18562629 PMCID: PMC2669843 DOI: 10.1677/joe-07-0511] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Endogenous purines including inosine have been shown to exert immunomodulatory and anti-inflammatory effects in a variety of disease models. The dosage of inosine required for protection is very high because of the rapid metabolism of inosine in vivo. The aim of this study was to determine whether a metabolic-resistant purine analogue, INO-2002, exerts anti-inflammatory effects in two animal models of type I diabetes. Type I diabetes was induced chemically with streptozotocin or genetically using the non-obese diabetic (NOD) female mouse model. Mice were treated with INO-2002 or inosine as required at 30, 100, or 200 mg/kg per day, while blood glucose and diabetes incidence were monitored. The effect of INO-2002 on the pancreatic cytokine profile was also determined. INO-2002 reduced both the hyperglycaemia and incidence of diabetes in both streptozotocin-induced and spontaneous diabetes in NOD mice. INO-2002 proved to be more effective in protecting against diabetes than the naturally occurring purine, inosine, when administered at the same dose. INO-2002 treatment decreased pancreatic levels of interleukin (IL)-12 and tumour necrosis factor-alpha, while increasing levels of IL-4 and IL-10. INO-2002 also reduced pancreatic levels of the chemokine MIP-1 alpha. The inosine analogue, INO-2002, was protected more effectively than the naturally occurring purine, inosine, against development of diabetes in two separate animal models. INO-2002 exerts protective effects by changing the pancreatic cytokine expression from a destructive Th1 to a protective Th2 profile. The use of analogues of inosine such as INO-2002 should be considered as a potential preventative therapy in individuals susceptible to developing type I diabetes.
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Affiliation(s)
- Jon G Mabley
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Cockcroft Building, Lewes Road, Brighton BN2 4GJ, UK.
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