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Zhu B, Hu Y, Wu R, Yu Q, Wen W. FBXO45 levels regulated ferroptosis renal tubular epithelial cells in a model of diabetic nephropathy by PLK1. Open Med (Wars) 2024; 19:20240971. [PMID: 38841177 PMCID: PMC11151394 DOI: 10.1515/med-2024-0971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 04/20/2024] [Accepted: 04/24/2024] [Indexed: 06/07/2024] Open
Abstract
Objective This research aims to investigate the role and underlying biological mechanism of FBXO45 in regulating ferroptosis of renal fibrocytes in a diabetic nephropathy (DN) model. Methods C57BL/6 mice were fed with a high-fat diet and injected with streptozotocin to induce diabetes. Human renal glomerular endothelial cells stimulated with d-glucose. Results Serum FBXO45 mRNA expression was found to be down-regulated in patients with DN. There was a negative correlation between the expression of serum FBXO45 mRNA and serum α-SMA, Collagen I, and E-cadherin mRNA in patients with DN. Additionally, the expression of serum FBXO45 mRNA showed a negative correlation with blood sugar levels. Based on a 3D model prediction, it was observed that FBXO45 interacts with polo-like kinase 1 (PLK1) at GLY-271, ILE-226, GLY-166, LEU-165, ARG-245, and ASN-220, while PLK1 interacts with FBXO45 at TYR-417, ARG-516, HIS-489, TYR-485, GLN-536, and ARG-557. This interaction was confirmed through immunoprecipitation assay, which showed the interlinking of FBXO45 protein with PLK1 protein. Conclusions These findings indicate that FBXO45 plays a role in mitigating ferroptosis in DN through the regulation of the PLK1/GPX4/SOX2 pathway. This highlights the potential of targeting FBXO45 as a therapeutic approach to ameliorate ferroptosis in DN.
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Affiliation(s)
- Bingming Zhu
- Department of Clinical Laboratory, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Yongxuan Hu
- Department of Dermatology and Venereology, The 3rd Affiliated Hospital of SouthernMedical University, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, 510600, China
| | - Ruishan Wu
- NHC Key Laboratory of Male Reproduction and Genetics, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, 510600, China
| | - Quan Yu
- Medical Experimental Research Center, School of Medicine, Jinan University, Guangzhou, Guangdong, 510630, China
| | - Wangrong Wen
- Clinical Laboratory Center, The Affiliated Shunde Hospital Of Jinan University, Foshan, Guangdong, 528305, China
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Sarb OF, Sarb AD, Iacobescu M, Vlad IM, Milaciu MV, Ciurmarnean L, Vacaras V, Tantau AI. From Gut to Brain: Uncovering Potential Serum Biomarkers Connecting Inflammatory Bowel Diseases to Neurodegenerative Diseases. Int J Mol Sci 2024; 25:5676. [PMID: 38891863 PMCID: PMC11171869 DOI: 10.3390/ijms25115676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/12/2024] [Accepted: 05/18/2024] [Indexed: 06/21/2024] Open
Abstract
Inflammatory bowel diseases (IBDs) are characterized by chronic gastrointestinal inflammation due to abnormal immune responses to gut microflora. The gut-brain axis is disrupted in IBDs, leading to neurobiological imbalances and affective symptoms. Systemic inflammation in IBDs affects the brain's inflammatory response system, hormonal axis, and blood-brain barrier integrity, influencing the gut microbiota. This review aims to explore the association between dysregulations in the gut-brain axis, serum biomarkers, and the development of cognitive disorders. Studies suggest a potential association between IBDs and the development of neurodegeneration. The mechanisms include systemic inflammation, nutritional deficiency, GBA dysfunction, and the effect of genetics and comorbidities. The objective is to identify potential correlations and propose future research directions to understand the impact of altered microbiomes and intestinal barrier functions on neurodegeneration. Serum levels of vitamins, inflammatory and neuronal damage biomarkers, and neuronal growth factors have been investigated for their potential to predict the development of neurodegenerative diseases, but current results are inconclusive and require more studies.
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Affiliation(s)
- Oliviu-Florentiu Sarb
- Department of Neuroscience, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (O.-F.S.); (I.-M.V.)
- Department of Internal Medicine, 4th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.-V.M.); (L.C.); (A.-I.T.)
| | - Adriana-Daniela Sarb
- Department of Internal Medicine, Heart Institute, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Maria Iacobescu
- Department of Proteomics and Metabolomics, MEDFUTURE Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Irina-Maria Vlad
- Department of Neuroscience, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (O.-F.S.); (I.-M.V.)
| | - Mircea-Vasile Milaciu
- Department of Internal Medicine, 4th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.-V.M.); (L.C.); (A.-I.T.)
| | - Lorena Ciurmarnean
- Department of Internal Medicine, 4th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.-V.M.); (L.C.); (A.-I.T.)
| | - Vitalie Vacaras
- Department of Neuroscience, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (O.-F.S.); (I.-M.V.)
| | - Alina-Ioana Tantau
- Department of Internal Medicine, 4th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (M.-V.M.); (L.C.); (A.-I.T.)
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Mei L, Long J, Wu S, Mei M, Mei D, Qiu H. APOC1 reduced anti-PD-1 immunotherapy of nonsmall cell lung cancer via the transformation of M2 into M1 macrophages by ferroptosis by NRF2/HO-1. Anticancer Drugs 2024; 35:333-343. [PMID: 38241194 DOI: 10.1097/cad.0000000000001573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2024]
Abstract
The treatment strategy for nonsmall cell lung cancer (NSCLC) has always been a hot topic of concern, and its treatment strategies are also emerging. This experiment wants to know the effects of apolipoprotein C1 (APOC1) in immunotherapy of NSCLC. APOC1 mRNA and protein expression were upregulated in lung cancer tissue of patients with NSCLC. programmed cell death protein 1 (PD-1) mRNA expression was negatively correlated with PD-1 mRNA expression in patients. The survival rate of APOC1 high expression was lower than that of low expression in patients with NSCLC. APOC1 gene reduced the transformation of M2 into M1 macrophages (TMMM). APOC1 gene promoted cell growth, and the gene reduced ferroptosis of NSCLC. APOC1-induced nuclear factor erythroid 2-related factor 2/heme oxygenase-1 (NRF2/HO-1) signaling pathway. Sh-APOC1 gene reduced cell growth in mice of NSCLC through the inhibition of NRF2/HO-1 signaling pathway. The inhibition of NRF2 reduced the TMMM by APOC1. The activation of NRF2 reduced the TMMM by si-APOC1. In conclusion, APOC1 reduced anti-PD-1 immunotherapy of NSCLC via the TMMM by ferroptosis by NRF2/HO-1, suggesting that targeting this mechanism of APOC1 may be a feasible strategy for anti-PD-1 immunotherapy for NSCLC.
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Affiliation(s)
- Langhua Mei
- Department of Oncology, Fuzhou, Jiangxi First People's Hospital
| | - Jian Long
- Department of Oncology, Fuzhou, Jiangxi First People's Hospital
| | | | - Meie Mei
- Department of Nursing, Jiangxi College Of Traditional Chinese Medicine, Fuzhou City, China
| | | | - Huaping Qiu
- Department of Oncology, Fuzhou, Jiangxi First People's Hospital
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Pu Z, Wang W, Xie H, Wang W. Apolipoprotein C3 (ApoC3) facilitates NLRP3 mediated pyroptosis of macrophages through mitochondrial damage by accelerating of the interaction between SCIMP and SYK pathway in acute lung injury. Int Immunopharmacol 2024; 128:111537. [PMID: 38232538 DOI: 10.1016/j.intimp.2024.111537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 12/25/2023] [Accepted: 01/10/2024] [Indexed: 01/19/2024]
Abstract
Respiratory failure caused by severe acute lung injury (ALI) is the main cause of mortality in patients with COVID-19.This study aimed to investigate the effects and underlying biological mechanism of Apolipoprotein C3 (ApoC3) in ALI. To establish an in vivo model, C57BL/6 mice were exposed by lipopolysaccharide (LPS). For the in vitro model, murine bone marrow-derived macrophages (BMDMs) or RAW264.7 cells were stimulated with LPS + adenosine triphosphate (ATP). Serum levels of ApoC3 were found to be upregulated in patients with COVID-19 or pneumonia-induced ALI. Inhibition of ApoC3 reduced lung injury in an ALI model, while overexpression of ApoC3 promoted lung injury. ApoC3 induced mitochondrial damage-mediated pyroptosis in ALI through the activation of the NOD-like receptorprotein 3 (NLRP3) inflammasome. ApoC3 recombinant protein significantly increased SCIMP expression in the lung tissue of mice models with ALI. ApoC3 also facilitated the interaction between the SLP adapter and CSK-interacting membrane protein (SCIMP) protein and Spleen tyrosine kinase (SYK) protein in the ALI model. Moreover, ApoC3 accelerated calcium-dependent reactive oxygen species (ROS) production in the ALI model. The effects of ApoC3 on pyroptosis were mitigated by the use of a pyroptosis inhibitor or an ROS inhibitor in the ALI model. Furthermore, ApoC3 activated the expression of SYK, which in turn induced NLRP3 inflammasome-regulated pyroptosis in the ALI model. METTL3 was found to mediate the m6A mRNA expression of ApoC3. Overall, our study highlights the crucial role of ApoC3 in promoting macrophage pyroptosis in ALI through calcium-dependent ROS production and NLRP3 inflammasome activation via the SCIMP-SYK pathway, providing a potential therapeutic strategy for ALI and other inflammatory diseases.
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Affiliation(s)
- Zhichen Pu
- Drug Clinical Evaluation, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui 241001, China; Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu 241001, China; State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Tongjiaxiang 24, Nanjing 210009, China
| | - Wenhui Wang
- Drug Clinical Evaluation, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui 241001, China
| | - Haitang Xie
- Drug Clinical Evaluation, Yijishan Hospital of Wannan Medical College, Wuhu, Anhui 241001, China.
| | - Wusan Wang
- Department of Pharmacology, Wannan Medical College, Wuhu, Anhui 241001, China.
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Zhang F, Wang Y, He Y, Dong B. Correlation of FBXO45 Expression Levels with Cancer Severity by ZEB1 Ubiquitin in Non-Small-Cell Lung Cancer. J Environ Pathol Toxicol Oncol 2024; 43:13-23. [PMID: 39016138 DOI: 10.1615/jenvironpatholtoxicoloncol.2024053018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024] Open
Abstract
The early diagnostic methods for non-small-cell lung cancer (NSCLC) are limited, lacking effective biomarkers, and the late stage surgery is difficult and has a high recurrence rate. We investigated whether the effects of FBXO45 in arcinogenesis and metastasis of NSCLC. The up-regulation of FBXO45 expression in NSCLC patients or cell lines were observed. FBXO45 gene promoted metastasis and Warburg effect, and reduced ferroptosis of NSCLC. FBXO45 induced ZEB1 expression to promote Warburg effect and reduced ferroptosis of NSCLC. Sh-FBXO45 reduced cancer growth of NSCLC in mice model. FBXO45 decreased the ubiquitination of ZEB1, leading to increased expression of ZEB1, which in turn promoted the Warburg effect and reduced ferroptosis in NSCLC. In vivo imaging, Sh-FBXO45 also reduced ZEB1 expression levels of lung tissue in mice model. FBXO45 in NSCLC through activating the Warburg effect, and the inhibition of ferroptosis of NSCLC by the suppression of ZEB1 ubiquitin, FBXO45 may be a potential therapeutic strategy for NSCLC.
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Affiliation(s)
- Fenjuan Zhang
- Department of Pathology, Xianyang Central Hospital, Xianyang City, 712000 Shaanxi Province, China
| | - Yawei Wang
- Department of Pathology, Qianxian People's Hospital, Qianxian 713300, China
| | - Yan He
- Department of Pathology, Jingyang Country Hospital, Jingyang 713700, China
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Nandi D, Forster J, Ramesh A, Nguyen A, Bharadwaj H, Kulkarni A. Caspase-1 Responsive Nanoreporter for In Vivo Monitoring of Inflammasome Immunotherapy. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55545-55558. [PMID: 37990965 PMCID: PMC11056827 DOI: 10.1021/acsami.3c15733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Inflammasomes are multimeric protein signaling complexes that are assembled in innate immune cells in response to a multitude of pathogen and damage-associated signals. They are essential for generating robust inflammatory responses to prevent pathogenic insults. However, inflammasome dysregulation can induce cascading immune responses, resulting in systemic toxicities and inflammatory disease. In this sense, there is a strong need to develop potent inflammasome inhibiting therapies as well as technologies to monitor their efficacy, yet current systems lack the ability to effectively image inflammasome activation and track therapy response early. To overcome these limitations, we report a novel nanoparticle system delivering both a caspase-1 cleavable inflammasome detecting probe and the NLRP3 inhibitor drug MCC-950, providing dual capabilities of monitoring and regulation of inflammasome activation in a biocompatible, tissue penetrating, and sustained release liposomal formulation. We observed this liposomal nanoreporter's ability to reduce and detect inflammasome activation both in vitro in immortalized bone marrow-derived macrophages and in vivo in a DSS-induced ulcerative colitis mouse model. Our results exhibited the nanoreporter's ability to penetrate inflammatory tissues and detect inflammasome activation early and in real-time for multiple days while alleviating inflammation in the groups coencapsulating imaging reporter and inflammasome inhibitor. Overall, the developed liposomal nanoreporter platform enables spatiotemporal delivery of imaging probe and inhibitor, captures early and sustained inflammasome detection, and induces inflammasome amelioration, thus establishing a novel tool for the real-time monitoring and treatment of inflammasome-mediated disease with high potential for clinical application.
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Affiliation(s)
- Dipika Nandi
- Department of Chemical Engineering and Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - James Forster
- Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Anujan Ramesh
- Department of Chemical Engineering and Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Anh Nguyen
- Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Hariharan Bharadwaj
- Department of Pathology, UMass Chan, Medical School-Baystate, Springfield, Massachusetts 01107, United States
| | - Ashish Kulkarni
- Department of Chemical Engineering, Department of Veterinary and Animal Sciences, Department of Biomedical Engineering, and Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
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Nandi D, Farid NSS, Karuppiah HAR, Kulkarni A. Imaging Approaches to Monitor Inflammasome Activation. J Mol Biol 2021; 434:167251. [PMID: 34537231 DOI: 10.1016/j.jmb.2021.167251] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 10/20/2022]
Abstract
Inflammasomes are a critical component of innate immune response which plays an important role in the pathogenesis of various chronic and acute inflammatory disease conditions. An inflammasome complex consists of a multimeric protein assembly triggered by any form of pathogenic or sterile insult, resulting in caspase-1 activation. This active enzyme is further known to activate downstream pro-inflammatory cytokines along with a pore-forming protein, eventually leading to a lytic cell death called pyroptosis. Understanding the spatiotemporal kinetics of essential inflammasome components provides a better interpretation of the complex signaling underlying inflammation during several disease pathologies. This can be attained via in-vitro and in-vivo imaging platforms, which not only provide a basic understanding of molecular signaling but are also crucial to develop and screen targeted therapeutics. To date, numerous studies have reported platforms to image different signaling components participating in inflammasome activation. Here, we review several elements of inflammasome signaling, a common molecular mechanism combining these elements and their respective imaging tools. We anticipate that future needs will include developing new inflammasome imaging systems that can be utilized as clinical tools for diagnostics and monitoring treatment responses.
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Affiliation(s)
- Dipika Nandi
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, USA. https://twitter.com/dipikanandi24
| | - Noorul Shaheen Sheikh Farid
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA. https://twitter.com/Shaheen30n
| | - Hayat Anu Ranjani Karuppiah
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA. https://twitter.com/AnuHayat
| | - Ashish Kulkarni
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, USA; Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA; Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, MA 01003, USA.
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Lázaro CM, de Oliveira CC, Gambero A, Rocha T, Cereda CMS, de Araújo DR, Tofoli GR. Evaluation of Budesonide-Hydroxypropyl-β-Cyclodextrin Inclusion Complex in Thermoreversible Gels for Ulcerative Colitis. Dig Dis Sci 2020; 65:3297-3304. [PMID: 31974913 DOI: 10.1007/s10620-020-06075-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/12/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND New formulations for topical treatment of ulcerative colitis with budesonide inclusion complex (BUDHP-β-CD) and poloxamers (PL) were developed for future clinical use. AIMS This study evaluated the efficacy of such novel formulations in a rat model of colitis. METHODS The PL-BUDHP-β-CD systems were prepared by direct dispersion of the complex (BUD concentration 0.5 mg mL-1) in solutions with PL407 or PL403. Male Wistar rats underwent TNBS-induced colitis and were treated for 5 days by a rectal route, as follows: BUD 1: BUDHP-β-CD + PL407 (18%); BUD 2: BUDHP-β-CD + PL407 (20%); BUD 3: BUDHP-β-CD + PL407 (18%) + PL403 (2%); BUD 4: plain BUD; BUD 5: BUDHP-β-CD; C1: HP-β-CD + PL407 (18%); C2: HP-β-CD + PL407 (20%); C3: HP-β-CD + PL407 (18%) + PL403 (2%); C4: saline. A negative control group without colitis was also used. Colitis was assessed via myeloperoxidase (MPO) activity, and macroscopic and microscopic damage score in colon tissues. Protein levels of TNF-α, IL-1β, IL-10 and endogenous glucocorticoids were obtained using ELISA. RESULTS BUDHP-β-CD poloxamer formulations had similar MPO activity when compared with the negative control group. All formulations presented lower MPO activity than BUDHP-β-CD and plain BUD (p < 0.001). BUD 2 produced lower microscopic score values than plain BUD and BUDHP-β-CD (p < 0.01). All formulations with BUDHP-β-CD poloxamers reduced TNF-α levels (p < 0.05). CONCLUSION Novel budesonide inclusion complex formulations improved microscopic damage and reduced colonic MPO activity and TNF-α levels.
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Affiliation(s)
- Carolina Martins Lázaro
- Universidade São Francisco, Av. São Francisco de Assis 218, Bragança Paulista, São Paulo, 12916-900, Brazil
| | - Carolina C de Oliveira
- Universidade São Francisco, Av. São Francisco de Assis 218, Bragança Paulista, São Paulo, 12916-900, Brazil
| | - Alessandra Gambero
- Universidade Estadual de Campinas, Av. Alexandre Cazelatto 999, Paulínia, 13140-000, São Paulo, Brazil
| | - Thalita Rocha
- Universidade São Francisco, Av. São Francisco de Assis 218, Bragança Paulista, São Paulo, 12916-900, Brazil
| | - Cintia Maria Saia Cereda
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Rua José Rocha Junqueira 13, Campinas, São Paulo, 13045-75, Brazil
| | - Daniele Ribeiro de Araújo
- Universidade Federal do ABC, Av. dos Estados 5001, Bl A, Torre 3, Lab 503-3, Santo André, São Paulo, 09210-170, Brazil
| | - Giovana Radomille Tofoli
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Rua José Rocha Junqueira 13, Campinas, São Paulo, 13045-75, Brazil.
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The Role of Heme Oxygenase-1 in Remote Ischemic and Anesthetic Organ Conditioning. Antioxidants (Basel) 2019; 8:antiox8090403. [PMID: 31527528 PMCID: PMC6770180 DOI: 10.3390/antiox8090403] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/12/2019] [Accepted: 09/12/2019] [Indexed: 12/14/2022] Open
Abstract
The cytoprotective effects of the heme oxygenase (HO) pathway are widely acknowledged. These effects are mainly mediated by degradation of free, pro-oxidant heme and the generation of carbon monoxide (CO) and biliverdin. The underlying mechanisms of protection include anti-oxidant, anti-apoptotic, anti-inflammatory and vasodilatory properties. Upregulation of the inducible isoform HO-1 under stress conditions plays a crucial role in preventing or reducing cell damage. Therefore, modulation of the HO-1 system might provide an efficient strategy for organ protection. Pharmacological agents investigated in the context of organ conditioning include clinically used anesthetics and sedatives. A review from Hoetzel and Schmidt from 2010 nicely summarized the effects of anesthetics on HO-1 expression and their role in disease models. They concluded that HO-1 upregulation by anesthetics might prevent or at least reduce organ injury due to harmful stimuli. Due to its clinical safety, anesthetic conditioning might represent an attractive pharmacological tool for HO-1 modulation in patients. Remote ischemic conditioning (RIC), first described in 1993, represents a similar secure option to induce organ protection, especially in its non-invasive form. The efficacy of RIC has been intensively studied herein, including on patients. Studies on the role of RIC in influencing HO-1 expression to induce organ protection are emerging. In the first part of this review, recently published pre-clinical and clinical studies investigating the effects of anesthetics on HO-1 expression patterns, the underlying signaling pathways mediating modulation and its causative role in organ protection are summarized. The second part of this review sums up the effects of RIC.
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Metagonimus miyatai ameliorates dextran sodium sulfate-induced colitis in mice. Parasitol Int 2019; 74:101924. [PMID: 31075526 DOI: 10.1016/j.parint.2019.05.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/03/2019] [Accepted: 05/05/2019] [Indexed: 12/19/2022]
Abstract
Inflammatory bowel disease (IBD) is an inflammatory disease caused by the activity of effector immune cells, such as the overproduction of inflammatory cytokines. Helminth immunomodulation in the host has been shown to have therapeutic implications in IBD. In the present study, we investigated whether Metagonimus miyatai infection could ameliorate inflammatory diseases. Mice were infected with M. miyatai, and colitis was then induced through oral administration of dextran sulfate sodium (DSS). Weight loss, stool consistency, gross bleeding, colon length, and tissue inflammation were assessed by macroscopic and microscopic examinations. In addition, regulatory cytokine expression was observed in colon tissue by reverse transcription polymerase chain reaction. The results showed that M. miyatai infection decreased the clinical severity of DSS-induced colitis, including weight loss, bloody diarrhea, shortening of the colon, and colon tissue damage in mice (p < .05). The expression levels of tumor necrosis factor-α, interleukin-1b, and cyclooxygenase-2 in mice infected with helminth were lower than those in DSS-treated mice without helminthic infection (p < .05). The results of the research showed that pre-infection with M. miyatai ameliorated DSS-induced colitis in mice and may be a novel therapeutic strategy for the treatment of immunological diseases.
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Rindflesch TC, Blake CL, Cairelli MJ, Fiszman M, Zeiss CJ, Kilicoglu H. Investigating the role of interleukin-1 beta and glutamate in inflammatory bowel disease and epilepsy using discovery browsing. J Biomed Semantics 2018; 9:25. [PMID: 30587224 PMCID: PMC6307110 DOI: 10.1186/s13326-018-0192-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/16/2018] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Structured electronic health records are a rich resource for identifying novel correlations, such as co-morbidities and adverse drug reactions. For drug development and better understanding of biomedical phenomena, such correlations need to be supported by viable hypotheses about the mechanisms involved, which can then form the basis of experimental investigations. METHODS In this study, we demonstrate the use of discovery browsing, a literature-based discovery method, to generate plausible hypotheses elucidating correlations identified from structured clinical data. The method is supported by Semantic MEDLINE web application, which pinpoints interesting concepts and relevant MEDLINE citations, which are used to build a coherent hypothesis. RESULTS Discovery browsing revealed a plausible explanation for the correlation between epilepsy and inflammatory bowel disease that was found in an earlier population study. The generated hypothesis involves interleukin-1 beta (IL-1 beta) and glutamate, and suggests that IL-1 beta influence on glutamate levels is involved in the etiology of both epilepsy and inflammatory bowel disease. CONCLUSIONS The approach presented in this paper can supplement population-based correlation studies by enabling the scientist to identify literature that may justify the novel patterns identified in such studies and can underpin basic biomedical research that can lead to improved treatments and better healthcare outcomes.
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Affiliation(s)
| | - Catherine L. Blake
- School of Information Sciences, University of Illinois at Urbana-Champaign, 501 E Daniel Street, Champaign, 61820 IL USA
| | - Michael J. Cairelli
- Kaiser Permanente Southern California, 11975 El Camino Real, San Diego, CA, 92103 USA
| | | | - Caroline J. Zeiss
- Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, 06520 USA
| | - Halil Kilicoglu
- Lister Hill National Center for Biomedical Communications, U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD, USA
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Yang X, Sun R, Ci L, Wang N, Yang S, Shi J, Yang H, Zhang M, Fei J. Tracing the dynamic expression of the Nfκb2 gene during inflammatory processes by in vivo bioluminescence imaging in transgenic mice. Biochem Biophys Res Commun 2018; 501:41-47. [PMID: 29680659 DOI: 10.1016/j.bbrc.2018.04.126] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 04/16/2018] [Indexed: 02/08/2023]
Abstract
Nfκb2(p52/p100) plays essential roles in many chronic inflammatory diseases. Tracing the dynamic expression of Nfκb2 during different biological processes in vivo can provide valuable clues to understand the biological functions of this gene and develop anti-inflammatory drugs. In this study, B6-Tg(Nfκb2-luc)Mlit transgenic mouse line, a mouse model in which the expression of firefly luciferase gene is under the control of a 14.6-kb mouse Nfκb2 promoter, was generated to monitor the expression of p52/p100 in vivo. Bioluminescence imaging was used for tracking the luciferase signal in living mice in a variety of inflammatory processes, including LPS-induced sepsis and inflammatory bowel disease (IBD). The data of in vivo bioluminescence imaging in this mouse model showed that luciferase activity coincided with the endogenous p52/p100 expression. Moreover, dexamethasone or aspirin, two routine anti-inflammatory drugs, could decrease the high-level expression of luciferase induced by LPS. Overall, our results suggest that the B6-Tg(Nfκb2-luc)Mlit mice represent a valuable reporter mouse model not only to monitor the expression of p52/p100 in physiological or pathological processes but also to evaluate the effects of various anti-inflammatory drug treatments in vivo.
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Affiliation(s)
- Xingyu Yang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, China; Institute of Embryo-Fetal Original Adult Disease Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruilin Sun
- Shanghai Engineering Research Center for Model Organisms, SRCMO/SMOC, Shanghai, 201203, China
| | - Lei Ci
- Shanghai Engineering Research Center for Model Organisms, SRCMO/SMOC, Shanghai, 201203, China
| | - Ning Wang
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China
| | - Sai Yang
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China
| | - Jiahao Shi
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China
| | - Hua Yang
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China
| | - Mengjie Zhang
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China.
| | - Jian Fei
- School of Life Science & Technology, Tongji University, Shanghai, 200092, China; Shanghai Engineering Research Center for Model Organisms, SRCMO/SMOC, Shanghai, 201203, China.
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13
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Yu Y, Song EM, Lee KE, Joo YH, Kim SE, Moon CM, Kim HY, Jung SA, Jo I. Therapeutic potential of tonsil-derived mesenchymal stem cells in dextran sulfate sodium-induced experimental murine colitis. PLoS One 2017; 12:e0183141. [PMID: 28854223 PMCID: PMC5576698 DOI: 10.1371/journal.pone.0183141] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 07/23/2017] [Indexed: 02/06/2023] Open
Abstract
The therapeutic potential of tonsil-derived mesenchymal stem cells (TMSC) prepared from human tonsillar tissue has been studied in animal models for several diseases such as hepatic injury, hypoparathyroidism, diabetes and muscle dystrophy. In this study, we examined the therapeutic effects of TMSC in a dextran sulfate sodium (DSS)-induced colitis model. TMSC were injected in DSS-induced colitis mice via intraperitoneal injection twice (TMSC[x2]) or four times (TMSC[x4]). Control mice were injected with either phosphate-buffered saline or human embryonic kidney 293 cells. Body weight, stool condition and disease activity index (DAI) were examined daily. Colon length, histologic grading, and mRNA expression of pro-inflammatory cytokines, interleukin 1β (IL-1β), IL-6, IL-17 and tumor necrosis factor α, and anti-inflammatory cytokines, IL-10, IL-11 and IL-13, were also measured. Our results showed a significant improvement in survival rates and body weight gain in colitis mice injected with TMSC[x2] or TMSC[x4]. Injection with TMSC also significantly decreased DAI scores throughout the experimental period; at the end of experiment, almost complete reversal of DAI scores to normal was found in colitis mice treated with TMSC[x4]. Colon length was also significantly recovered in colitis mice treated with TMSC[x4]. However, histopathological alterations induced by DSS treatment were not apparently improved by injection with TMSC. Finally, treatment with TMSC[x4] significantly reversed the mRNA levels of IL-1β and IL-6, although expression of all pro-inflammatory cytokines tested was induced in colitis mice. Under our experimental conditions, however, no apparent alterations in the mRNA levels of all the anti-inflammatory cytokines tested were found. In conclusion, our findings demonstrate that multiple injections with TMSC produced a therapeutic effect in a mouse model of DSS-induced colitis.
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Affiliation(s)
- Yeonsil Yu
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Eun Mi Song
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Ko Eun Lee
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Yang-Hee Joo
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Seong-Eun Kim
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Chang Mo Moon
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Ha Yeong Kim
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
| | - Sung-Ae Jung
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
- * E-mail: (IJ); (SAJ)
| | - Inho Jo
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, South Korea
- * E-mail: (IJ); (SAJ)
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14
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Xia J, Chen H, Yan J, Wu H, Wang H, Guo J, Zhang X, Zhang S, Zhao C, Chen Y. High-Purity Magnesium Staples Suppress Inflammatory Response in Rectal Anastomoses. ACS APPLIED MATERIALS & INTERFACES 2017; 9:9506-9515. [PMID: 28240546 DOI: 10.1021/acsami.7b00813] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Magnesium-based materials are promising biodegradable implants, although the impact of magnesium on rectal anastomotic inflammation is poorly understood. Thus, we investigated the inflammatory effects of high-purity Mg staples in rectal anastomoses by in vivo luciferase reporter gene expression in transgenic mice, hematoxylin-eosin staining, immunohistochemistry, and Western blotting. As expected, strong IL-1β-mediated inflammation and inflammatory cell infiltration were observed 1 day after rectal anastomoses were stapled with high-purity Mg or Ti. However, inflammation and inflammatory cell infiltration decreased more robustly 4-7 days postoperation in tissues stapled with high-purity Mg. This rapid reduction in inflammation was confirmed by immunohistochemical analysis of IL-6 and TNF-α. Western blot also suggested that the reduced inflammatory response is due to suppressed TLR4/NF-κB signaling. In contrast, MCP-1, uPAR, and VEGF were abundantly expressed, in line with the notion that expression of these proteins is regulated by feedback between the VEGF and NF-κB pathways. In vitro expression of MCP-1, uPAR, and VEGF was also similarly high in primary rectal mucosal epithelial cells exposed to extracts from Mg staples, as measured by antibody array. Collectively, the results suggest that high-purity Mg staples suppress the inflammatory response during rectal anastomoses via TLR4/NF-κB and VEGF signaling.
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Affiliation(s)
- Jiazeng Xia
- Department of General Surgery, Wuxi Second Hospital, Nanjing Medical University , Jiangsu 214002, People's Republic of China
| | - Hui Chen
- Department of Pathology, Nanjing General Hospital , Jiangsu 210002, People's Republic of China
| | - Jun Yan
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital , Shanghai 200233, People's Republic of China
| | - Hongliu Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Hao Wang
- Department of General Surgery, Wuxi Second Hospital, Nanjing Medical University , Jiangsu 214002, People's Republic of China
| | - Jian Guo
- Department of General Surgery, Wuxi Second Hospital, Nanjing Medical University , Jiangsu 214002, People's Republic of China
| | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Shaoxiang Zhang
- Suzhou Origin Medical Technology Company Ltd. , 2 Haicheng Road, Changshu Economic and Technology Development Zone, Jiangsu 215513, People's Republic of China
| | - Changli Zhao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University , Shanghai 200240, People's Republic of China
| | - Yigang Chen
- Department of General Surgery, Wuxi Second Hospital, Nanjing Medical University , Jiangsu 214002, People's Republic of China
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15
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Khajah MA, Fateel MM, Ananthalakshmi KV, Luqmani YA. Anti-Inflammatory Action of Angiotensin 1-7 in Experimental Colitis. PLoS One 2016; 11:e0150861. [PMID: 26963721 PMCID: PMC4786309 DOI: 10.1371/journal.pone.0150861] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Accepted: 02/20/2016] [Indexed: 02/06/2023] Open
Abstract
Background There is evidence to support a role for angiotensin (Ang) 1–7 in reducing the activity of inflammatory signaling molecules such as MAPK, PKC and SRC. Enhanced angiotensin converting enzyme 2 (ACE2) expression has been observed in patients with inflammatory bowel disease (IBD) suggesting a role in its pathogenesis, prompting this study. Methods The colonic expression/activity profile of ACE2, Ang 1–7, MAS1-receptor (MAS1-R), MAPK family and Akt were determined by western blot and immunofluorescence. The effect of either exogenous administration of Ang 1–7 or pharmacological inhibition of its function (by A779 treatment) was determined using the mouse dextran sulfate sodium model. Results Enhanced colonic expression of ACE2, Ang1-7 and MAS1-R was observed post-colitis induction. Daily Ang 1–7 treatment (0.01–0.06 mg/kg) resulted in significant amelioration of DSS-induced colitis. In contrast, daily administration of A779 significantly worsened features of colitis. Colitis-associated phosphorylation of p38, ERK1/2 and Akt was reduced by Ang 1–7 treatment. Conclusion Our results indicate important anti-inflammatory actions of Ang 1–7 in the pathogenesis of IBD, which may provide a future therapeutic strategy to control the disease progression.
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Affiliation(s)
- Maitham A. Khajah
- Faculty of Pharmacy, Kuwait University, PO Box 24923, Safat, 13110, Kuwait
- * E-mail:
| | - Maryam M. Fateel
- Faculty of Pharmacy, Kuwait University, PO Box 24923, Safat, 13110, Kuwait
| | | | - Yunus A. Luqmani
- Faculty of Pharmacy, Kuwait University, PO Box 24923, Safat, 13110, Kuwait
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16
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Mukhopadhya A, Noronha N, Bahar B, Ryan MT, Murray BA, Kelly PM, O'Loughlin IB, O'Doherty JV, Sweeney T. The anti-inflammatory potential of a moderately hydrolysed casein and its 5 kDa fraction in in vitro and ex vivo models of the gastrointestinal tract. Food Funct 2015; 6:612-21. [DOI: 10.1039/c4fo00689e] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Bioactive peptides from milk can impart a wide range of physiological benefits without the allergies and intolerance associated with the consumption of whole milk.
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Affiliation(s)
- A. Mukhopadhya
- School of Veterinary Medicine
- UCD
- Belfield
- Dublin
- Food for Health Ireland (FHI)
| | - N. Noronha
- School of Agriculture & Food Science
- UCD
- Belfield
- Dublin
- Food for Health Ireland (FHI)
| | - B. Bahar
- School of Veterinary Medicine
- UCD
- Belfield
- Dublin
| | - M. T. Ryan
- School of Veterinary Medicine
- UCD
- Belfield
- Dublin
| | - B. A. Murray
- Teagasc Food Research Centre
- Moorepark
- Fermoy
- Co. Cork
- Ireland
| | - P. M. Kelly
- Teagasc Food Research Centre
- Moorepark
- Fermoy
- Co. Cork
- Ireland
| | | | | | - T. Sweeney
- School of Veterinary Medicine
- UCD
- Belfield
- Dublin
- Food for Health Ireland (FHI)
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17
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Kun J, Szitter I, Kemény Á, Perkecz A, Kereskai L, Pohóczky K, Vincze Á, Gódi S, Szabó I, Szolcsányi J, Pintér E, Helyes Z. Upregulation of the transient receptor potential ankyrin 1 ion channel in the inflamed human and mouse colon and its protective roles. PLoS One 2014; 9:e108164. [PMID: 25265225 PMCID: PMC4180273 DOI: 10.1371/journal.pone.0108164] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 08/18/2014] [Indexed: 12/18/2022] Open
Abstract
Transient Receptor Potential Ankyrin 1 (TRPA1) channels are localized on sensory nerves and several non-neural cells, but data on their functional significance are contradictory. We analysed the presence and alterations of TRPA1 in comparison with TRP Vanilloid 1 (TRPV1) at mRNA and protein levels in human and mouse intact and inflamed colons. The role of TRPA1 in a colitis model was investigated using gene-deficient mice. TRPA1 and TRPV1 expressions were investigated in human colon biopsies of healthy subjects and patients with inflammatory bowel diseases (IBD: ulcerative colitis, Crohn's disease) with quantitative PCR and immunohistochemistry. Mouse colitis was induced by oral 2% dextran-sulphate (DSS) for 10 days. For investigating the functions of TRPA1, Disease Activity Index (weight loss, stool consistency, blood content) was determined in C57BL/6-based Trpa1-deficient (knockout: KO) and wildtype (WT) mice. Sensory neuropeptides, their receptors, and inflammatory cytokines/chemokines were determined with qPCR or Luminex. In human and mouse colons TRPA1 and TRPV1 are located on epithelial cells, macrophages, enteric ganglia. Significant upregulation of TRPA1 mRNA was detected in inflamed samples. In Trpa1 KO mice, Disease Activity Index was significantly higher compared to WTs. It could be explained by the greater levels of substance P, neurokinins A and B, neurokinin 1 receptor, pituitary adenylate-cyclase activating polypeptide, vasoactive intestinal polypeptide, and also interleukin-1beta, macrophage chemoattractant protein-1, monokine induced by gamma interferon-1, tumor necrosis factor-alpha and B-lymphocyte chemoattractant in the distal colon. TRPA1 is upregulated in colitis and its activation exerts protective roles by decreasing the expressions of several proinflammatory neuropeptides, cytokines and chemokines.
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Affiliation(s)
- József Kun
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Molecular Pharmacology Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - István Szitter
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Molecular Pharmacology Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Ágnes Kemény
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Molecular Pharmacology Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Anikó Perkecz
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - László Kereskai
- Department of Pathology, Medical School, University of Pécs, Pécs, Hungary
| | - Krisztina Pohóczky
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Áron Vincze
- 1st Department of Internal Medicine, University of Pécs, Pécs, Hungary
| | - Szilárd Gódi
- 1st Department of Internal Medicine, University of Pécs, Pécs, Hungary
| | - Imre Szabó
- 1st Department of Internal Medicine, University of Pécs, Pécs, Hungary
| | - János Szolcsányi
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
| | - Erika Pintér
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Molecular Pharmacology Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary
- Molecular Pharmacology Research Group, János Szentágothai Research Center, University of Pécs, Pécs, Hungary
- * E-mail:
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