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Ribeiro YM, Moreira DP, Weber AA, Miranda TGR, Bazzoli N, Rizzo E. Chronic estrone exposure affects spermatogenesis and sperm quality in zebrafish (Danio rerio). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 98:104058. [PMID: 36596390 DOI: 10.1016/j.etap.2022.104058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 12/21/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Estrone (E1) is a common environmental contaminant found in rivers and streams due to the farming of animals, such as swine and cattle. Our study evaluated the effects of chronic E1 exposure at environmentally relevant concentrations on spermatogenesis and the semen quality of zebrafish (Danio rerio). We exposed the fish to E1 at concentrations of 20, 200, and 2000 ng/L diluted in 0.001% ethanol (v/v) for 49 days. There were two control groups: one was exposed to water only and the other to ethanol at the same concentration used in the E1 groups. Following exposure, we analyzed the proportion of testicular cell types and other components (%), rate of cell proliferation and death, and sex steroid concentrations. Furthermore, we analyzed the expression of insulin-like growth factor 1 (IGF1), IGF2, IGF1 receptor (IGF1R), and inducible nitric oxide synthase and assessed the semen quality. E1 exposure increased spermatogonia, spermatids, Sertoli cells, Leydig cells, and the proportion of inflammatory infiltrate but decreased the spermatozoa amount. These changes were reflected by reductions in the gonadosomatic index and levels of 11-ketotestosterone in the testes. On the other hand, E1 exposure increased testicular estradiol, IGF1R expression, and nitric oxide production. After an evaluation using a computer-assisted sperm analysis (CASA) system, we observed reduced progressive motility, curvilinear velocity, and beat cross frequency of 20 and 2000 ng/L E1 groups. Our findings support that E1 causes deleterious effects on the testicular function and semen quality of D. rerio even at environmental concentrations. Thus, E1 concentrations should be monitored in surface waters for the purposes of fish conservation.
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Affiliation(s)
- Yves Moreira Ribeiro
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brazil
| | - Davidson Peruci Moreira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brazil
| | | | | | - Nilo Bazzoli
- Programa de Pós-Graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brazil
| | - Elizete Rizzo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brazil.
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Hoque F, Abraham TJ, Joardar S, Paria P, Behera BK, Das BK. Effects of dietary supplementation of Pseudomonas aeruginosa FARP72 on the immunomodulation and resistance to Edwardsiella tarda in Pangasius pangasius. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2022; 3:100071. [PMID: 36419609 PMCID: PMC9680098 DOI: 10.1016/j.fsirep.2022.100071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022] Open
Abstract
Pseudomonas aeruginosa FARP72 (PA) supplemented diet impacts the innate immunity. Innate immune responses of P. pangasius are differentially stimulated by PA diet. It improved the resistance of P. pangasius against E. tarda infection significantly. IL-1β & C3 genes upregulated significantly in kidney of PA diet-fed challenged fish. Highest upregulation of transferrin seen in liver of PA diet-fed challenged fish.
Edwardsiella tarda is one of the serious bacterial pathogens infecting both cultured and wild catfish urging an immediate need for effective protection strategies. This study assessed the effects of dietary supplementation of Pseudomonas aeruginosa FARP72 at 108 cells/g feed (PA diet) for 30 days on the innate immunity parameters, viz., respiratory oxidative burst (ROB) activity, lysozyme, ceruloplasmin, myeloperoxidase, in-vitro nitric oxide (NO) production in addition to the expression of immune genes encoding interleukin-1β, C3 and transferrin in yellowtail catfish Pangasius pangasius and their resistance to Edwardsiella tarda challenge at a sub-lethal dose of 1.50 × 107 cells/fish. A significant increase in the innate immunity parameters was noted in PA diet-fed catfish on 30 dpf compared to the control. Post E. tarda challenge, the levels of immune parameters increased significantly and peaked at 5 dpi irrespective of feeding to confer protection against E. tarda. Their levels, however, decreased on and from 10 dpi. The results on the expression of immune genes encoding interleukin-1β, C3 and transferrin in the kidney and liver tissue samples of PA diet-fed P. pangasius upon challenge with E. tarda further confirmed the ability of P. aeruginosa to stimulate primary immune organs at the gene level. The effects of feeding P. aeruginosa FARP72 on the immune functions of catfish as examined by the functional immune assays, thus, demonstrating the innate immune responses of catfish that are differentially stimulated by the PA diet. The findings of our study would help evolve management strategies to confer protection against E. tarda infection in commercial catfish aquaculture.
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Bal A, Pati SG, Panda F, Paital B. Dehydration induced hypoxia and its role on mitochondrial respiratory enzymes and oxidative stress responses in liver of Asian stinging catfish Heteropneustes fossilis. Comp Biochem Physiol C Toxicol Pharmacol 2022; 256:109300. [PMID: 35182719 DOI: 10.1016/j.cbpc.2022.109300] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/30/2022] [Accepted: 02/12/2022] [Indexed: 11/30/2022]
Abstract
In the present study, Water Deprived Condition (WPC, up to 18 h) induced hypoxia and altered oxidative stress (OS) physiology along with responses of respiratory chain enzyme in Heteropneustes fossilis are described . The body O2 saturation level in the fish was declined with respect to air exposure. Higher levels of lipid peroxidation and protein carbonylation were recorded in the tissue of fish exposed to 6 h of WPC stress. The regulation of the mitochondrial complex and antioxidant enzymes, small antioxidant molecules indicated that the fish can moderately survive up to 6 h of air exposure. Probably with the onset of metabolic depression, it can critically resist the dehydration stress up to 18 h. Although the activities of glutathione peroxidase and reductase were elevated, activities of antioxidant enzymes such as superoxide dismutase and catalase were insufficient to combat WPC induced ROS and OS generated under hypoxia. The small antioxidant molecules played a key role in elimination of ROS. The elevated complex II activity was probably responsible for resisting the complex I, II and IV mediated electron leakage events in mitochondria of the fish under WPC. The total H2O2 removing capacity was less under WPC while the total units of all calculated antioxidants were alleviated signifying an interesting mechanism of WPC induced OS in the fish.
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Affiliation(s)
- Abhipsa Bal
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar 751003, India
| | - Samar Gourav Pati
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar 751003, India
| | - Falguni Panda
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar 751003, India
| | - Biswaranjan Paital
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar 751003, India.
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Peter MCS, Gayathry R, Peter VS. Inducible Nitric Oxide Synthase/Nitric Oxide System as a Biomarker for Stress and Ease Response in Fish: Implication on Na+ Homeostasis During Hypoxia. Front Physiol 2022; 13:821300. [PMID: 35655956 PMCID: PMC9152262 DOI: 10.3389/fphys.2022.821300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/06/2022] [Indexed: 11/22/2022] Open
Abstract
The cellular and organismal response to stressor-driven stimuli evokes stress response in vertebrates including fishes. Fishes have evolved varied patterns of stress response, including ionosmotic stress response, due to their sensitivity to both intrinsic and extrinsic stimuli. Fishes that experience hypoxia, a detrimental stressor that imposes systemic and cellular stress response, can evoke disturbed ion homeostasis. In addition, like other vertebrates, fishes have also developed mechanisms to recover from the impact of stress by way of shifting stress response into ease response that could reduce the magnitude of stress response with the aid of certain neuroendocrine signals. Nitric oxide (NO) has been identified as a potent molecule that attenuates the impact of ionosmotic stress response in fish, particularly during hypoxia stress. Limited information is, however, available on this important aspect of ion transport physiology that contributes to the mechanistic understanding of survival during environmental challenges. The present review, thus, discusses the role of NO in Na+ homeostasis in fish particularly in stressed conditions. Isoforms of nitric oxide synthase (NOS) are essential for the synthesis and availability of NO at the cellular level. The NOS/NO system, thus, appears as a unique molecular drive that performs both regulatory and integrative mechanisms of control within and across varied fish ionocytes. The activation of the inducible NOS (iNOS)/NO system during hypoxia stress and its action on the dynamics of Na+/K+-ATPase, an active Na+ transporter in fish ionocytes, reveal that the iNOS/NO system controls cellular and systemic Na+ transport in stressed fish. In addition, the higher sensitivity of iNOS to varied physical stressors in fishes and the ability of NO to lower the magnitude of ionosmotic stress in hypoxemic fish clearly put forth NO as an ease-promoting signal molecule in fishes. This further points to the signature role of the iNOS/NO system as a biomarker for stress and ease response in the cycle of adaptive response in fish.
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Affiliation(s)
- M. C. Subhash Peter
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
- Department of Zoology, University of Kerala, Kariavattom, Thiruvananthapuram, India
- *Correspondence: M. C. Subhash Peter,
| | - R. Gayathry
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
| | - Valsa S. Peter
- Inter-University Centre for Evolutionary and Integrative Biology iCEIB, School of Life Science, University of Kerala, Kariavattom, Thiruvananthapuram, India
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Therapeutic Potential of Combined Therapy of Vitamin A and Vitamin C in the Experimental Autoimmune Encephalomyelitis (EAE) in Lewis Rats. Mol Neurobiol 2022; 59:2328-2347. [PMID: 35072933 DOI: 10.1007/s12035-022-02755-0] [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: 10/06/2021] [Accepted: 01/17/2022] [Indexed: 10/19/2022]
Abstract
Demyelination, inflammation, oxidative injury, and glial activation are the main pathological hallmarks of multiple sclerosis (MS). Vitamins, as essential micronutrients, seem to be crucial in the pathogenesis of MS, and particularly vitamins A and C were found to have a protective role in MS development or progression. In this study, the therapeutic potential of combined therapy of vitamins A and C on progression of experimental autoimmune encephalomyelitis (EAE) and myelin repair mechanisms was examined. EAE, an animal model of MS, was induced in female Lewis rats. The rats were treated with daily intraperitoneal injections of vitamins A and C and their combination. We found that co-supplementation of vitamins A and C mitigated neurological severity and EAE disease progression. Histological study confirmed a significant reduction in demyelination size, inflammation and immune cell infiltration as well as microglia and astrocyte activation following co-administration of vitamins A and C. Co-administration of vitamins A and C also decreased the levels of pro-inflammatory cytokines (TNF-α, IL1β) and iNOS and increased gene expressions of IL-10, Nrf-2, HO-1, and MBP. Combination therapy of vitamins A and C also increased the total antioxidant capacity and decreased levels of oxidative stress markers. Finally, we proved that co-administration of vitamins A and C has anti-apoptotic and neuroprotective impacts in EAE via decreasing caspase-3 and increasing BDNF and NeuN expressing cells. The present study suggests that combined therapy of vitamins A and C may be an effective strategy for development of alternative medicine in boosting myelin repair in demyelinating diseases.
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Nasrnezhad R, Halalkhor S, Sadeghi F, Pourabdolhossein F. Piperine Improves Experimental Autoimmune Encephalomyelitis (EAE) in Lewis Rats Through its Neuroprotective, Anti-inflammatory, and Antioxidant Effects. Mol Neurobiol 2021; 58:5473-5493. [PMID: 34338970 DOI: 10.1007/s12035-021-02497-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022]
Abstract
Inflammation, demyelination, glial activation, and oxidative damage are the most pathological hallmarks of multiple sclerosis (MS). Piperine, a main bioactive alkaloid of black pepper, possesses antioxidant, anti-inflammatory, and neuroprotective properties whose therapeutic potential has been less studied in the experimental autoimmune encephalomyelitis (EAE) models. In this study, the efficiency of piperine on progression of EAE model and myelin repair mechanisms was investigated. EAE was induced in female Lewis rats and piperine and its vehicle were daily administrated intraperitoneally from day 8 to 29 post immunization. We found that piperine alleviated neurological deficits and EAE disease progression. Luxol fast blue and H&E staining and immunostaining of lumbar spinal cord cross sections confirmed that piperine significantly reduced the extent of demyelination, inflammation, immune cell infiltration, microglia, and astrocyte activation. Gene expression analysis in lumbar spinal cord showed that piperine treatment decreased the level of pro-inflammatory cytokines (TNF-α, IL-1β) and iNOS and enhanced IL-10, Nrf2, HO-1, and MBP expressions. Piperine supplementation also enhanced the total antioxidant capacity (FRAP) and reduced the level of oxidative stress marker (MDA) in the CNS of EAE rats. Finally, we found that piperine has anti-apoptotic and neuroprotective effect in EAE through reducing caspase-3 (apoptosis marker) and enhancing BDNF and NeuN expressing cells. This study strongly indicates that piperine has a beneficial effect on the EAE progression and could be considered as a potential therapeutic target for MS treatment. Upcoming clinical trials will provide a deeper understanding of piperine's role for the treatment of the MS.
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Affiliation(s)
- Reza Nasrnezhad
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.,Department of Biochemistry, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Sohrab Halalkhor
- Department of Biochemistry, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Farzin Sadeghi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Fereshteh Pourabdolhossein
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran. .,Department of Physiology, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
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7
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Jiang H, Wang M, Fu L, Zhong L, Liu G, Zheng Y, Chen X, Bian W. Liver transcriptome analysis and cortisol immune-response modulation in lipopolysaccharide-stimulated in channel catfish (Ictalurus punctatus). FISH & SHELLFISH IMMUNOLOGY 2020; 101:19-50. [PMID: 32184191 DOI: 10.1016/j.fsi.2020.03.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 02/28/2020] [Accepted: 03/11/2020] [Indexed: 06/10/2023]
Abstract
Channel catfish (Ictalurus punctatus) is an important aquaculture species in China. In channel catfish, diseases such as haemorrhagic, sepsis and tail-rot disease are all caused by bacteria as general in China. Most of the pathogenic bacteria are Gram-negative bacteria. Liver transcriptome analysis of the co-injection of cortisol and lipopolysaccharide (LPS) was performed in this study. Preliminary evidence from the results suggest that after the emergence of immune stress, cortisol will up-regulate the complement cascade pathway, down-regulate the coagulation cascade pathway, down-regulate the platelet activation pathway, down-regulate antigen presentation pathway, and show complex regulation relationship to inflammatory factors. At 12 h, the number of differential genes regulated by cortisol was about half less than the number of differential genes regulated by LPS. At 24 h, there was no significant difference between the number of differential genes regulated by cortisol and LPS, but the types of differential genes vary widely. KEGG enrichment analysis found that cortisol regulated LPS-stimulated immune responses mainly focus on cytokines, complement and coagulation cascades pathways, antigen presentation pathways, haematopoiesis, and inflammation. It is suggested that there may be some strategic choice in the regulation of immune response by cortisol. These results will help understand the pathogenesis and host defence system in bacterial disease caused by Gram-negative bacteria.
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Affiliation(s)
- Hucheng Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Minghua Wang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Longlong Fu
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Liqiang Zhong
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Guoxing Liu
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - You Zheng
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China
| | - Xiaohui Chen
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China.
| | - Wenji Bian
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, 210017, China.
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Plants derived therapeutic strategies targeting chronic respiratory diseases: Chemical and immunological perspective. Chem Biol Interact 2020; 325:109125. [PMID: 32376238 PMCID: PMC7196551 DOI: 10.1016/j.cbi.2020.109125] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/16/2020] [Accepted: 04/29/2020] [Indexed: 12/23/2022]
Abstract
The apparent predicament of the representative chemotherapy for managing respiratory distress calls for an obligatory deliberation for identifying the pharmaceuticals that effectively counter the contemporary intricacies associated with target disease. Multiple, complex regulatory pathways manifest chronic pulmonary disorders, which require chemotherapeutics that produce composite inhibitory effect. The cost effective natural product based molecules hold a high fervor to meet the prospects posed by current respiratory-distress therapy by sparing the tedious drug design and development archetypes, present a robust standing for the possible replacement of the fading practice of poly-pharmacology, and ensure the subversion of a potential disease relapse. This study summarizes the experimental evidences on natural products moieties and their components that illustrates therapeutic efficacy on respiratory disorders. Plant derived therapeutics for managing chronic respiratory disorders. Activity of natural product based molecules on key regulatory pathways of COPD. Preclinical evidence for the efficacy of natural product moieties. Clinical significance of plant derived molecules in pulmonary distress.
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Piperine ameliorated memory impairment and myelin damage in lysolecethin induced hippocampal demyelination. Life Sci 2020; 253:117671. [PMID: 32335165 DOI: 10.1016/j.lfs.2020.117671] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/02/2020] [Accepted: 04/11/2020] [Indexed: 12/14/2022]
Abstract
AIMS We still do not have effective treatment for hippocampal demyelination and memory deficit, the two common comorbidities in multiple sclerosis (MS). This study aimed to assess the therapeutic effect of Piperine (the main alkaloid of black pepper) in an experimental model of demyelination. MAIN METHODS Demyelination was induced in male Wistar rats by bilateral injection of lysolecithin (LPC) into the CA1 region of the hippocampus. Piperine (5, 10, 20 mg/kg) was daily injected intraperitoneally three days post LPC injection for ten days. The spatial memory was examined by the Morris water maze task. Demyelination and astrocyte activation were assessed by an immunohistological study. The gene expression analysis of TNF-α, IL1-β, NF-κB, IL-10, Foxp3, iNOS, Nrf2, HO1, MBP, and BDNF was done using qPCR. The total antioxidant capacity of hippocampal tissue was measured using FRAP assay. KEY FINDINGS Our results showed that piperine improved the memory performance and myelin repair in the hippocampal demyelination model. Piperine inhibited iNOS expression concomitant with enhanced expression levels of Nrf2, HO1 and the total antioxidant capacity in the hippocampal tissue. Piperine treatment significantly reduced the gene expression level of TNF-α, IL1-β, NF-κB, and glial activation in the injured area; however, the mRNA level of IL-10, Foxp3, BDNF and MBP were significantly increased. SIGNIFICANCE We found piperine to be an effective treatment for spatial memory impairment and myelin repair in the hippocampal demyelination model. However, further experimental evidence is needed to investigate the precise mechanisms underlying piperine as a promising therapeutic target in MS patients.
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Tew XN, Xin Lau NJ, Chellappan DK, Madheswaran T, Zeeshan F, Tambuwala MM, Aljabali AA, Balusamy SR, Perumalsamy H, Gupta G, Oliver BG, Hsu A, Wark P, Reddy K, Wadhwa R, Hansbro PM, Dua K. Immunological axis of berberine in managing inflammation underlying chronic respiratory inflammatory diseases. Chem Biol Interact 2020; 317:108947. [PMID: 31968208 DOI: 10.1016/j.cbi.2020.108947] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/24/2019] [Accepted: 01/16/2020] [Indexed: 12/24/2022]
Abstract
Inflammatory responses play a remarkable role in the mechanisms of acute and chronic respiratory diseases such as chronic obstructive pulmonary disease (COPD), asthma, pulmonary fibrosis and lung cancer. Currently, there is a resurgence in the use of drugs from natural sources for various ailments as potent therapeutics. Berberine, an alkaloid prominent in the Chinese traditional system of medicine has been reported to exert therapeutic properties in various diseases. Nevertheless, the number of studies focusing on the curative potential of berberine in inflammatory diseases involving the respiratory system is limited. In this review, we have attempted to discuss the reported anti-inflammatory properties of berberine that function through several pathways such as, the NF-κB, ERK1/2 and p38 MAPK pathways which affect several pro-inflammatory cytokines in the pathophysiological processes involved in chronic respiratory diseases. This review would serve to provide valuable information to researchers who work in this field and a new direction in the field of drug discovery with respect to respiratory diseases.
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Affiliation(s)
- Xin Nee Tew
- School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Natalie Jia Xin Lau
- School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia.
| | - Thiagarajan Madheswaran
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Farrukh Zeeshan
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University (IMU), Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, Coleraine, County, Londonderry, BT52 1SA, Northern Ireland, United Kingdom
| | - Alaa Aa Aljabali
- Faculty of Pharmacy, Department of Pharmaceutical Sciences, Yarmouk University, Irbid, 21163, Jordan
| | - Sri Renukadevi Balusamy
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Haribalan Perumalsamy
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Yongin, 446-701, Republic of Korea
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, 302017, Mahal Road, Jaipur, India
| | - Brian G Oliver
- School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; Respiratory Cellular and Molecular Biology Group, Woolcock Institute of Medical Research, Sydney, Australia
| | - Alan Hsu
- School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia
| | - Peter Wark
- School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia
| | - Karosham Reddy
- School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; Respiratory Cellular and Molecular Biology Group, Woolcock Institute of Medical Research, Sydney, Australia
| | - Ridhima Wadhwa
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia
| | - Philip Michael Hansbro
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, The University of Newcastle (UoN), Callaghan, NSW, 2308, Australia
| | - Kamal Dua
- School of Life Sciences, Faculty of Science, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney (UTS), Ultimo, NSW, 2007, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, The University of Newcastle (UoN), Callaghan, NSW, 2308, Australia; School of Pharmaceutical Sciences, Shoolini University, Bajhol, Sultanpur, Solan, Himachal Pradesh, 173 229, India.
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Choudhury MG, Kumari S, Das KB, Saha N. Lipopolysaccharide causes NFĸB-mediated induction of inducible nitric oxide synthase gene and more production of nitric oxide in air-breathing catfish, Clarias magur (Hamilton). Gene 2018. [DOI: 10.1016/j.gene.2018.03.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Gerber L, Jensen FB, Madsen SS. Dynamic changes in nitric oxide synthase expression are involved in seawater acclimation of rainbow trout Oncorhynchus mykiss. Am J Physiol Regul Integr Comp Physiol 2017; 314:R552-R562. [PMID: 29351430 DOI: 10.1152/ajpregu.00519.2016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Recent research has shown that nitric oxide (NO) produced by nitric oxide synthases (NOS) is an inhibitor of ion transporter activity and a modulator of epithelial ion transport in fish, but little is known on changes in the NOS/NO system during osmotic stress. We hypothesized that the NOS/NO system responds to salinity changes as an integrated part of the acclimation process. Expression and localization of nos1/Nos1 and nos2/Nos2 were investigated in gill, kidney, and intestine of freshwater (FW)- and seawater (SW)-transferred trout using quantitative PCR, Western blotting, and immunohistochemistry, along with expressional changes of major ion transporters in the gill. The classical branchial ion transporters showed expected expressional changes upon SW transfer, there among a rapid decrease in Slc26a6 mRNA, coding a branchial Cl-/[Formula: see text] exchanger. There was a major downregulation of nos1/ nos2/Nos2 expression in the gill during SW acclimation. A significant decrease in plasma nitrite supported an overall decreased Nos activity and NO production. In the middle intestine, Nos1 was upregulated during SW acclimation, whereas no changes in nos/Nos expression were observed in the posterior intestine and the kidney. Nos1 was localized along the longitudinal axis of the gill filament, beneath smooth muscle fibers of the intestine wall and in blood vessel walls of the kidney. Nos2 was localized within the epithelium adjacent to the gill filament axis and in hematopoietic tissues of the kidney. We conclude that downregulation of branchial NOS is integrated to the SW acclimation process likely to avoid the inhibitory effects of NO on active ion extrusion.
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Affiliation(s)
- Lucie Gerber
- Department of Biology, University of Southern Denmark, Odense M, Denmark
| | - Frank B Jensen
- Department of Biology, University of Southern Denmark, Odense M, Denmark
| | - Steffen S Madsen
- Department of Biology, University of Southern Denmark, Odense M, Denmark
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