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Yang L, Sun P, Tao L, Zhao X. An in silico study on human carcinogenicity mechanism of polybrominated biphenyls exposure. Chem Biol Interact 2024; 397:111075. [PMID: 38815667 DOI: 10.1016/j.cbi.2024.111075] [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: 02/02/2024] [Revised: 05/14/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
Polybrominated biphenyls (PBBs) are associated with an increased risk of thyroid cancer; however, relevant mechanistic studies are lacking. In this study, we investigated the mechanisms underlying PBB-induced human thyroid cancer. Molecular docking and molecular dynamics methods were employed to investigate the metabolism of PBBs by the cytochrome P450 enzyme under aryl hydrocarbon receptor mediation into mono- and di-hydroxylated metabolites. This was taken as the molecular initiation event. Subsequently, considering the interactions of PBBs and their metabolites with the thyroxine-binding globulin protein as key events, an adverse outcome pathway for thyroid cancer caused by PBBs exposure was constructed. Based on 2D quantitative structure activity relationship (2D-QSAR) models, the contribution of amino acid residues and binding energy were analyzed to understand the mechanism underlying human carcinogenicity (adverse effect) of PBBs. Hydrogen bond and van der Waals interactions were identified as key factors influencing the carcinogenic adverse outcome pathway of PBBs. Analysis of non-bonding forces revealed that PBBs and their hydroxylation products were predominantly bound to the thyroxine-binding globulin protein through hydrophobic and hydrogen bond interactions. The key amino acids involved in hydrophobic interactions were alanine 330, arginine 381 and lysine 270, and the key amino acids involved in hydrogen bond interactions were arginine 381 and lysine 270. This study provides valuable insights into the mechanisms underlying human health risk associated with PBBs exposure.
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Affiliation(s)
- Luze Yang
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Peixuan Sun
- College of New Energy and Environment, Jilin University, Changchun, 130012, China.
| | - Li Tao
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Xingmin Zhao
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
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2
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Zhou L, Wu B, Tang M, Li G, Chan W, Song L, Wang J, Zhu L, Lin L, Lian Y. Association between exposure to metalworking fluid aerosols, occupational noise and chronic kidney disease: a cross-sectional study in China. BMC Public Health 2024; 24:1495. [PMID: 38835007 DOI: 10.1186/s12889-024-19006-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 05/30/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) carries a high public health burden yet little is known about the relationship between metalworking fluid (MWF) aerosols, occupational noise and CKD. We aimed to explore the relationship between occupational MWF aerosols, occupational noise and CKD. METHODS A total of 2,738 machinists were sampled from three machining companies in Wuxi, China, in 2022. We used the National Institute for Occupational Safety and Health (NIOSH) method 5524 to collect individual samples for MWF aerosols exposure, and the Chinese national standard (GBZ/T 189.8-2007) method to test individual occupational noise exposure. The diagnostic criteria for CKD were urinary albumin/creatinine ratio (UACR) of ≥ 30 mg/g and reduced renal function (eGFR < 60 mL.min- 1. 1.73 m- 2) lasting longer than 3 months. Smooth curve fitting was conducted to analyze the associations of MWF aerosols and occupational noise with CKD. A segmented regression model was used to analyze the threshold effects. RESULTS Workers exposed to MWF aerosols (odds ratio [OR] = 2.03, 95% confidence interval [CI]: 1.21-3.41) and occupational noise (OR = 1.77, 95%CI: 1.06-2.96) had higher prevalence of CKD than nonexposed workers. A nonlinear and positive association was found between increasing MWF aerosols and occupational noise dose and the risk of CKD. When daily cumulative exposure dose of MWF aerosols exceeded 8.03 mg/m3, the OR was 1.24 (95%CI: 1.03-1.58), and when occupational noise exceeded 87.22 dB(A), the OR was 1.16 (95%CI: 1.04-1.20). In the interactive analysis between MWF aerosols and occupational noise, the workers exposed to both MWF aerosols (cumulative exposure ≥ 8.03 mg/m3-day) and occupational noise (LEX,8 h ≥ 87.22 dB(A)) had an increased prevalence of CKD (OR = 2.71, 95%CI: 1.48-4.96). MWF aerosols and occupational noise had a positive interaction in prevalence of CKD. CONCLUSIONS Occupational MWF aerosols and noise were positively and nonlinearly associated with CKD, and cumulative MWF aerosols and noise exposure showed a positive interaction with CKD. These findings emphasize the importance of assessing kidney function of workers exposed to MWF aerosols and occupational noise. Prospective and longitudinal cohort studies are necessary to elucidate the causality of these associations.
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Affiliation(s)
- Li Zhou
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Beining Wu
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Minzhu Tang
- Wuxi Eighth People's Hospital, Wuxi, Jiangsu, China
| | - Geyang Li
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Weiling Chan
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Lin Song
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Jin Wang
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Lejia Zhu
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Lan Lin
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China
| | - Yulong Lian
- Department of Epidemiology and Medical Statistics, School of Public Health, Nantong University, Se Yuan Road, No. 9, Nantong, Jiangsu, 226001, China.
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3
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Vyavahare S, Ahluwalia P, Gupta SK, Kolhe R, Hill WD, Hamrick M, Isales CM, Fulzele S. The Role of Aryl Hydrocarbon Receptor in Bone Biology. Int J Tryptophan Res 2024; 17:11786469241246674. [PMID: 38757095 PMCID: PMC11097734 DOI: 10.1177/11786469241246674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 03/25/2024] [Indexed: 05/18/2024] Open
Abstract
Aryl hydrocarbon receptor (AhR), a ligand-activated transcription factor, is crucial in maintaining the skeletal system. Our study focuses on encapsulating the role of AhR in bone biology and identifying novel signaling pathways in musculoskeletal pathologies using the GEO dataset. The GEO2R analysis identified 8 genes (CYP1C1, SULT6B1, CYB5A, EDN1, CXCR4B, CTGFA, TIPARP, and CXXC5A) involved in the AhR pathway, which play a pivotal role in bone remodeling. The AhR knockout in hematopoietic stem cells showed alteration in several novel bone-related transcriptomes (eg, Defb14, ZNF 51, and Chrm5). Gene Ontology Enrichment Analysis demonstrated 54 different biological processes associated with bone homeostasis. Mainly, these processes include bone morphogenesis, bone development, bone trabeculae formation, bone resorption, bone maturation, bone mineralization, and bone marrow development. Employing Functional Annotation and Clustering through DAVID, we further uncovered the involvement of the xenobiotic metabolic process, p450 pathway, oxidation-reduction, and nitric oxide biosynthesis process in the AhR signaling pathway. The conflicting evidence of current research of AhR signaling on bone (positive and negative effects) homeostasis may be due to variations in ligand binding affinity, binding sites, half-life, chemical structure, and other unknown factors. In summary, our study provides a comprehensive understanding of the underlying mechanisms of the AhR pathway in bone biology.
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Affiliation(s)
- Sagar Vyavahare
- Department of Medicine, Augusta University, Augusta, GA, USA
| | | | | | - Ravindra Kolhe
- Department of Pathology, Augusta University, Augusta, GA, USA
| | - William D Hill
- Department of Pathology, Medical University of South Carolina, Charleston, SC, USA
| | - Mark Hamrick
- Department of Cell Biology and Anatomy, Augusta University, Augusta, GA, USA
- Center for Healthy Aging, Augusta University, Augusta, GA, USA
| | - Carlos M Isales
- Department of Medicine, Augusta University, Augusta, GA, USA
- Center for Healthy Aging, Augusta University, Augusta, GA, USA
| | - Sadanand Fulzele
- Department of Medicine, Augusta University, Augusta, GA, USA
- Department of Cell Biology and Anatomy, Augusta University, Augusta, GA, USA
- Center for Healthy Aging, Augusta University, Augusta, GA, USA
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4
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Sun N, Zhang Y, Ding L, An X, Bai F, Yang Y, Yu K, Fan J, Liu L, Yang H, Yang X. Blockade of aryl hydrocarbon receptor restricts omeprazole-induced chronic kidney disease. J Mol Med (Berl) 2024; 102:679-692. [PMID: 38453697 DOI: 10.1007/s00109-024-02429-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 12/02/2023] [Accepted: 02/06/2024] [Indexed: 03/09/2024]
Abstract
Chronic kidney disease (CKD) is the 16th leading cause of mortality worldwide. Clinical studies have raised that long-term use of omeprazole (OME) is associated with the morbidity of CKD. OME is commonly used in clinical practice to treat peptic ulcers and gastroesophageal reflux disease. However, the mechanism underlying renal failure following OME treatment remains mostly unknown and the rodent model of OME-induced CKD is yet to be established. We described the process of renal injury after exposure to OME in mice; the early renal injury markers were increased in renal tubular epithelial cells (RTECs). And after long-term OME treatment, the OME-induced CKD mice model was established. Herein, aryl hydrocarbon receptor (AHR) translocation appeared after exposure to OME in HK-2 cells. Then for both in vivo and in vitro, we found that Ahr-knockout (KO) and AHR small interfering RNA (siRNA) substantially alleviated the OME-induced renal function impairment and tubular cell damage. Furthermore, our data demonstrate that antagonists of AHR and CYP1A1 could attenuate OME-induced tubular cell impairment in HK-2 cells. Taken together, these data indicate that OME induces CKD through the activation of the AHR-CYP axis in RTECs. Our findings suggest that blocking the AHR-CYP1A1 pathway acts as a potential strategy for the treatment of CKD caused by OME. KEY MESSAGES: We provide an omeprazole-induced chronic kidney disease (CKD) mice model. AHR activation and translocation process was involved in renal tubular damage and promoted the occurrence of CKD. The process of omeprazole nephrotoxicity can be ameliorated by blockade of the AHR-CYP1A1 axis.
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MESH Headings
- Animals
- Humans
- Male
- Mice
- Basic Helix-Loop-Helix Transcription Factors/metabolism
- Basic Helix-Loop-Helix Transcription Factors/genetics
- Cell Line
- Cytochrome P-450 CYP1A1/metabolism
- Cytochrome P-450 CYP1A1/genetics
- Disease Models, Animal
- Epithelial Cells/metabolism
- Epithelial Cells/drug effects
- Kidney Tubules/pathology
- Kidney Tubules/metabolism
- Kidney Tubules/drug effects
- Mice, Inbred C57BL
- Mice, Knockout
- Omeprazole/pharmacology
- Receptors, Aryl Hydrocarbon/metabolism
- Receptors, Aryl Hydrocarbon/genetics
- Renal Insufficiency, Chronic/metabolism
- Renal Insufficiency, Chronic/drug therapy
- Renal Insufficiency, Chronic/etiology
- Renal Insufficiency, Chronic/chemically induced
- RNA, Small Interfering/metabolism
- RNA, Small Interfering/genetics
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Affiliation(s)
- Nan Sun
- Laboratory of Basic Medical Sciences, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yimeng Zhang
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Lin Ding
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xin An
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Fang Bai
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yanjiang Yang
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Kuipeng Yu
- Laboratory of Basic Medical Sciences, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jiahui Fan
- Laboratory of Basic Medical Sciences, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Lei Liu
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Basic Medical Science, Jinan, Shandong, China
| | - Huimin Yang
- Department of General Practice, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiangdong Yang
- Department of Nephrology, Qilu Hospital of Shandong University, Jinan, Shandong, China.
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5
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Ding X, Jin Y, Shi X, Wang Y, Jin Z, Yin L, Gao S, Lei Y, Yang J. TDO2 promotes bladder cancer progression via AhR-mediated SPARC/FILIP1L signaling. Biochem Pharmacol 2024; 223:116172. [PMID: 38552852 DOI: 10.1016/j.bcp.2024.116172] [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: 12/14/2023] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024]
Abstract
The enzyme tryptophan 2,3-dioxygenase (TDO2) has been implicated in the dysregulation across a variety of human cancers. Despite this association, the implications of TDO2 in the progression of bladder cancer have eluded thorough understanding. In this study, we demonstrate that TDO2 expression is notably elevated in bladder cancer tissues and serves as an unfavorable prognostic factor for overall survival. Through a series of biological functional assays, we have determined that TDO2 essentially enhances cell proliferation, metastatic potential, and imparts a decreased sensitivity to the chemotherapeutic agent cisplatin. Our mechanistic investigations reveal that TDO2 augments aryl hydrocarbon receptor (AhR) signaling pathways and subsequently upregulates the expression of SPARC and FILIP1L. Importantly, we have identified a positive correlation between TDO2 levels and the basal/squamous subtype of bladder cancer, and we provide evidence to suggest that TDO2 expression is modulated by the tumor suppressors RB1 and TP53. From a therapeutic perspective, we demonstrate that the targeted inhibition of TDO2 with the molecular inhibitor 680C91 markedly attenuates tumor growth and metastasis while concurrently enhancing the efficacy of cisplatin. These findings open a new therapeutic avenue for the management of bladder cancer.
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Affiliation(s)
- Xiaoju Ding
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yunjie Jin
- Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiaokai Shi
- Department of Urology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, China
| | - Yidi Wang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China; Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhibo Jin
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lei Yin
- Department of Oncology, Shanghai Putuo People's Hospital, School of Medicine, Tongji University, Shanghai, China; Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shenglin Gao
- Department of Urology, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, China; Department of Urology, Gonghe County Hospital of Traditional Chinese Medicine, Qinghai, China; Changzhou Medical Center, Nanjing Medical University, Changzhou, China.
| | - Yibo Lei
- Department of Otology, Otolaryngology Hospital, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
| | - Jinjian Yang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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6
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Xie H, Yang N, Yu C, Lu L. Uremic toxins mediate kidney diseases: the role of aryl hydrocarbon receptor. Cell Mol Biol Lett 2024; 29:38. [PMID: 38491448 PMCID: PMC10943832 DOI: 10.1186/s11658-024-00550-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 02/19/2024] [Indexed: 03/18/2024] Open
Abstract
Aryl hydrocarbon receptor (AhR) was originally identified as an environmental sensor that responds to pollutants. Subsequent research has revealed that AhR recognizes multiple exogenous and endogenous molecules, including uremic toxins retained in the body due to the decline in renal function. Therefore, AhR is also considered to be a uremic toxin receptor. As a ligand-activated transcriptional factor, the activation of AhR is involved in cell differentiation and senescence, lipid metabolism and fibrogenesis. The accumulation of uremic toxins in the body is hazardous to all tissues and organs. The identification of the endogenous uremic toxin receptor opens the door to investigating the precise role and molecular mechanism of tissue and organ damage induced by uremic toxins. This review focuses on summarizing recent findings on the role of AhR activation induced by uremic toxins in chronic kidney disease, diabetic nephropathy and acute kidney injury. Furthermore, potential clinical approaches to mitigate the effects of uremic toxins are explored herein, such as enhancing uremic toxin clearance through dialysis, reducing uremic toxin production through dietary interventions or microbial manipulation, and manipulating metabolic pathways induced by uremic toxins through controlling AhR signaling. This information may also shed light on the mechanism of uremic toxin-induced injury to other organs, and provide insights into clinical approaches to manipulate the accumulated uremic toxins.
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Affiliation(s)
- Hongyan Xie
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, 389 Xincun Road, Shanghai, 200065, China
| | - Ninghao Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, 138 Yixueyuan Road, Shanghai, 200032, China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, 389 Xincun Road, Shanghai, 200065, China.
| | - Limin Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, 138 Yixueyuan Road, Shanghai, 200032, China.
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7
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Li XJ, Suo P, Wang YN, Zou L, Nie XL, Zhao YY, Miao H. Arachidonic acid metabolism as a therapeutic target in AKI-to-CKD transition. Front Pharmacol 2024; 15:1365802. [PMID: 38523633 PMCID: PMC10957658 DOI: 10.3389/fphar.2024.1365802] [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: 01/05/2024] [Accepted: 02/06/2024] [Indexed: 03/26/2024] Open
Abstract
Arachidonic acid (AA) is a main component of cell membrane lipids. AA is mainly metabolized by three enzymes: cyclooxygenase (COX), lipoxygenase (LOX) and cytochrome P450 (CYP450). Esterified AA is hydrolysed by phospholipase A2 into a free form that is further metabolized by COX, LOX and CYP450 to a wide range of bioactive mediators, including prostaglandins, lipoxins, thromboxanes, leukotrienes, hydroxyeicosatetraenoic acids and epoxyeicosatrienoic acids. Increased mitochondrial oxidative stress is considered to be a central mechanism in the pathophysiology of the kidney. Along with increased oxidative stress, apoptosis, inflammation and tissue fibrosis drive the progressive loss of kidney function, affecting the glomerular filtration barrier and the tubulointerstitium. Recent studies have shown that AA and its active derivative eicosanoids play important roles in the regulation of physiological kidney function and the pathogenesis of kidney disease. These factors are potentially novel biomarkers, especially in the context of their involvement in inflammatory processes and oxidative stress. In this review, we introduce the three main metabolic pathways of AA and discuss the molecular mechanisms by which these pathways affect the progression of acute kidney injury (AKI), diabetic nephropathy (DN) and renal cell carcinoma (RCC). This review may provide new therapeutic targets for the identification of AKI to CKD continuum.
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Affiliation(s)
- Xiao-Jun Li
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- Department of Nephrology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Ping Suo
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Yan-Ni Wang
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Liang Zou
- School of Food and Bioengineering, Chengdu University, Chengdu, Sichuan, China
| | - Xiao-Li Nie
- Department of Nephrology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Ying-Yong Zhao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Hua Miao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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8
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Yang T, Wan R, Tu W, Avvaru SN, Gao P. Aryl hydrocarbon receptor: Linking environment to aging process in elderly patients with asthma. Chin Med J (Engl) 2024; 137:382-393. [PMID: 38238253 PMCID: PMC10876263 DOI: 10.1097/cm9.0000000000002960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Indexed: 02/12/2024] Open
Abstract
ABSTRACT Aging is a significant risk factor for various diseases, including asthma, and it often leads to poorer clinical outcomes, particularly in elderly individuals. It is recognized that age-related diseases are due to a time-dependent accumulation of cellular damage, resulting in a progressive decline in cellular and physiological functions and an increased susceptibility to chronic diseases. The effects of aging affect not only the elderly but also those of younger ages, posing significant challenges to global healthcare. Thus, understanding the molecular mechanisms associated with aging in different diseases is essential. One intriguing factor is the aryl hydrocarbon receptor (AhR), which serves as a cytoplasmic receptor and ligand-activated transcription factor and has been linked to the aging process. Here, we review the literature on several major hallmarks of aging, including mitochondrial dysfunction, cellular senescence, autophagy, mitophagy, epigenetic alterations, and microbiome disturbances. Moreover, we provide an overview of the impact of AhR on these hallmarks by mediating responses to environmental exposures, particularly in relation to the immune system. Furthermore, we explore how aging hallmarks affect clinical characteristics, inflammatory features, exacerbations, and the treatment of asthma. It is suggested that AhR signaling may potentially play a role in regulating asthma phenotypes in elderly populations as part of the aging process.
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Affiliation(s)
- Tianrui Yang
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- Department of Geriatric Medicine, The First People’s Hospital of Yunnan Province, Kunming, Yunnan 650032, China
| | - Rongjun Wan
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wei Tu
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- The State Key Laboratory of Respiratory Disease for Allergy, Shenzhen Key Laboratory of Allergy and Immunology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518055, China
| | - Sai Nithin Avvaru
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
| | - Peisong Gao
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
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9
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Hou Y, Li J, Ying S. Tryptophan Metabolism and Gut Microbiota: A Novel Regulatory Axis Integrating the Microbiome, Immunity, and Cancer. Metabolites 2023; 13:1166. [PMID: 37999261 PMCID: PMC10673612 DOI: 10.3390/metabo13111166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/16/2023] [Accepted: 11/18/2023] [Indexed: 11/25/2023] Open
Abstract
Tryptophan metabolism and gut microbiota form an integrated regulatory axis that impacts immunity, metabolism, and cancer. This review consolidated current knowledge on the bidirectional interactions between microbial tryptophan processing and the host. We focused on how the gut microbiome controls tryptophan breakdown via the indole, kynurenine, and serotonin pathways. Dysbiosis of the gut microbiota induces disruptions in tryptophan catabolism which contribute to disorders like inflammatory conditions, neuropsychiatric diseases, metabolic syndromes, and cancer. These disruptions affect immune homeostasis, neurotransmission, and gut-brain communication. Elucidating the mechanisms of microbial tryptophan modulation could enable novel therapeutic approaches like psychobiotics and microbiome-targeted dietary interventions. Overall, further research on the microbiota-tryptophan axis has the potential to revolutionize personalized diagnostics and treatments for improving human health.
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Affiliation(s)
- Yingjian Hou
- Target Discovery Center, China Pharmaceutical University, Nanjing 211198, China;
| | - Jing Li
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
- Hunan Key Laboratory for Bioanalysis of Complex Matrix Samples, Changsha 410000, China
| | - Shuhuan Ying
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China
- Shanghai Bocimed Pharmaceutical Research Co., Ltd., Shanghai 201203, China
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10
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André C, Bodeau S, Kamel S, Bennis Y, Caillard P. The AKI-to-CKD Transition: The Role of Uremic Toxins. Int J Mol Sci 2023; 24:16152. [PMID: 38003343 PMCID: PMC10671582 DOI: 10.3390/ijms242216152] [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: 09/14/2023] [Revised: 10/31/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
After acute kidney injury (AKI), renal function continues to deteriorate in some patients. In a pro-inflammatory and profibrotic environment, the proximal tubules are subject to maladaptive repair. In the AKI-to-CKD transition, impaired recovery from AKI reduces tubular and glomerular filtration and leads to chronic kidney disease (CKD). Reduced kidney secretion capacity is characterized by the plasma accumulation of biologically active molecules, referred to as uremic toxins (UTs). These toxins have a role in the development of neurological, cardiovascular, bone, and renal complications of CKD. However, UTs might also cause CKD as well as be the consequence. Recent studies have shown that these molecules accumulate early in AKI and contribute to the establishment of this pro-inflammatory and profibrotic environment in the kidney. The objective of the present work was to review the mechanisms of UT toxicity that potentially contribute to the AKI-to-CKD transition in each renal compartment.
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Affiliation(s)
- Camille André
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- GRAP Laboratory, INSERM UMR 1247, University of Picardy Jules Verne, 80000 Amiens, France
| | - Sandra Bodeau
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
| | - Saïd Kamel
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
- Department of Clinical Biochemistry, Amiens Medical Center, 80000 Amiens, France
| | - Youssef Bennis
- Department of Clinical Pharmacology, Amiens Medical Center, 80000 Amiens, France; (S.B.); (Y.B.)
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
| | - Pauline Caillard
- MP3CV Laboratory, UR UPJV 7517, University of Picardy Jules Verne, 80000 Amiens, France; (S.K.); (P.C.)
- Department of Nephrology, Dialysis and Transplantation, Amiens Medical Center, 80000 Amiens, France
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11
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Run L, Tian Z, Xu L, Du J, Li N, Wang Q, Sun H. Knockdown of IL4I1 Improved High Glucose-evoked Insulin Resistance in HepG2 Cells by Alleviating Inflammation and Lipotoxicity Through AHR Activation. Appl Biochem Biotechnol 2023; 195:6694-6707. [PMID: 36913096 DOI: 10.1007/s12010-023-04399-9] [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] [Accepted: 02/17/2023] [Indexed: 03/14/2023]
Abstract
Insulin resistance (IR) is one of the leading causes of Type 2 diabetes mellitus (T2DM). Inflammation, as a result of the disordered immune response, plays important roles in IR and T2DM. Interleukin-4-induced gene 1 (IL4I1) has been shown to regulate immune response and be involved in inflammation progress. However, there was little known about its roles in T2DM. Here, high glucose (HG)-treated HepG2 cells were used for T2DM investigation in vitro. Our results indicated that the expression of IL4I1 was up-regulated in peripheral blood samples of T2DM-patients and HG-induced HepG2 cells. The silencing of IL4I1 alleviated the HG-evoked IR through elevating the expressions of p-IRS1, p-AKT and GLUT4, and enhancing glucose consumption. Furthermore, IL4I1 knockdown inhibited inflammatory response by reducing the levels of inflammatory mediators, and suppressed the accumulation of lipid metabolites triglyceride (TG) and palmitate (PA) in HG-induced cells. Notably, IL4I1 expression was positively correlated with aryl hydrocarbon receptor (AHR) in peripheral blood samples of T2DM-patients. The silencing of IL4I1 inhibited the AHR signaling by reducing the HG-induced expressions of AHR and CYP1A1. Subsequent experiments confirmed that 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), an agonist of AHR, reversed the suppressive effects of IL4I1 knockdown on HG-caused inflammation, lipid metabolism and IR in cells. In conclusion, we found that the silencing of IL4I1 attenuated inflammation, lipid metabolism and IR in HG-induced cells via inhibiting AHR signaling, suggesting that IL4I1 might be a potential therapy target for T2DM.
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Affiliation(s)
- Lin Run
- Department of Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, Shaanxi, China, NO. 76, Yanta West Road, Yanta District
- Department of Endocrinology, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Zhufang Tian
- Department of Endocrinology, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Lin Xu
- Department of Endocrinology, The Affiliated Guangren Hospital, Xi'an Jiaotong University College of Medicine, 710004, Xi'an, Shaanxi, China
| | - Junhui Du
- Department of Medicine Interdisciplinary Research, Xi'an Ninth Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710054, Xi'an, Shaanxi, China
| | - Nan Li
- Clinical Laboratory, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Qi Wang
- Department of Nuclear Medicine, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Hongzhi Sun
- Department of Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, Shaanxi, China, NO. 76, Yanta West Road, Yanta District.
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12
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Hui Y, Zhao J, Yu Z, Wang Y, Qin Y, Zhang Y, Xing Y, Han M, Wang A, Guo S, Yuan J, Zhao Y, Ning X, Sun S. The Role of Tryptophan Metabolism in the Occurrence and Progression of Acute and Chronic Kidney Diseases. Mol Nutr Food Res 2023; 67:e2300218. [PMID: 37691068 DOI: 10.1002/mnfr.202300218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/10/2023] [Indexed: 09/12/2023]
Abstract
Acute kidney injury (AKI) and chronic kidney disease (CKD) are common kidney diseases in clinics with high morbidity and mortality, but their pathogenesis is intricate. Tryptophan (Trp) is a fundamental amino acid for humans, and its metabolism produces various bioactive substances involved in the pathophysiology of AKI and CKD. Metabolomic studies manifest that Trp metabolites like kynurenine (KYN), 5-hydroxyindoleacetic acid (5-HIAA), and indoxyl sulfate (IS) increase in AKI or CKD and act as biomarkers that facilitate the early identification of diseases. Meanwhile, KYN and IS act as ligands to exacerbate kidney damage by activating aryl hydrocarbon receptor (AhR) signal transduction. The reduction of renal function can cause the accumulation of Trp metabolites which in turn accelerate the progression of AKI or CKD. Besides, gut dysbiosis induces the expansion of Enterobacteriaceae family to produce excessive IS, which cannot be excreted due to the deterioration of renal function. The application of Trp metabolism as a target in AKI and CKD will also be elaborated. Thus, this study aims to elucidate Trp metabolism in the development of AKI and CKD, and explores the relative treatment strategies by targeting Trp from the perspective of metabolomics to provide a reference for their diagnosis and prevention.
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Affiliation(s)
- Yueqing Hui
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Jin Zhao
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Zixian Yu
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Yuwei Wang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Department of Postgraduate Student, Xi'an Medical University, Xi'an, Shaanxi, 710021, China
| | - Yunlong Qin
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Department of Nephrology, 980th Hospital of PLA Joint Logistical Support Force (Bethune International Peace Hospital), Shijiazhuang, Hebei, 050082, China
| | - Yumeng Zhang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Department of Postgraduate Student, Xi'an Medical University, Xi'an, Shaanxi, 710021, China
| | - Yan Xing
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Mei Han
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Department of Postgraduate Student, Xi'an Medical University, Xi'an, Shaanxi, 710021, China
| | - Anjing Wang
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
- Department of Postgraduate Student, Xi'an Medical University, Xi'an, Shaanxi, 710021, China
| | - Shuxian Guo
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Jinguo Yuan
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Yueru Zhao
- School of Clinical Medicine, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xiaoxuan Ning
- Department of Geriatric, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Shiren Sun
- Department of Nephrology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
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13
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Zhang L, Cheng D, Zhang J, Tang H, Li F, Peng Y, Duan X, Meng E, Zhang C, Zeng T, Song F, Wang JS, Zhao X, Zhou J. Role of macrophage AHR/TLR4/STAT3 signaling axis in the colitis induced by non-canonical AHR ligand aflatoxin B1. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131262. [PMID: 36989784 DOI: 10.1016/j.jhazmat.2023.131262] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 05/03/2023]
Abstract
Here we report that macrophage AHR/TLR/STAT signaling axis is implicated in the colon colitis induced by non-canonical AHR ligand aflatoxin B1 (AFB1). In BALB/c mice gavaged with 5, 25 and 50 µg/kg body weight/day AFB1, we observed severe colitis featured by over-recruitment of myeloid lineage immune cells such as monocytes/macrophage in colon lamina propria. Stressed and damaged colon epithelial cells were observed in low-dose group, while twisted and shortened intestinal crypts being found in middle dose group. Severe tissue damage was induced in the high-dose group. Dose-dependent increases of ROS, NO, and decrease of mitochondrial ROS-suppressor STAT3 were observed in the exposure groups. Further investigation in AFB1-treated human macrophage model found: (1) functional adaptations such as elevation of TNF-alpha and IL-6 secretion, stimulation of phagocytosis, elevation of LTE4 level; (2) overall inflammatory status confirmed by RNA-sequence analysis, in line with up-regulation of immune functional proteins such as ICAM-1, IDO-1, NF-kB-p65, NLRP3, COX-2 and iNOS; (3) mRNA disruption of mitochondrial oxidative phosphorylation complex I units and STATs; (4) perturbation of AHR/TLR/STAT3 signaling axis, including elevated AHR, TLR2, TLR4, and decreased STAT3, p-STAT3 Ser727. Mechanism investigation revealed regulatory links of ligand-dependent AHR/TLR4/STAT3. AHR-TLR4 together regulate MyD88, and STAT3 may be directly regulated by MyD88 (TLR4 downstream molecule) upon AHR/TLR4 binding with ligands. Solely protein level changes of AHR/TLR4 cannot regulate STAT3. Our study suggests that macrophage AHR/TLR4/STAT3 is involved with the colitis induced by sub-acute exposure to AFB1. Future follow-up study will focus on the intervention of the colitis using AHR-anti-inflammatory ligands.
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Affiliation(s)
- Liwen Zhang
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Dong Cheng
- Division of Toxicology, Shandong Center for Disease Control and Prevention, Jinan 250014, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Jing Zhang
- Division of Toxicology, Shandong Center for Disease Control and Prevention, Jinan 250014, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Hui Tang
- Division of Toxicology, Shandong Center for Disease Control and Prevention, Jinan 250014, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Fenghua Li
- Division of Toxicology, Shandong Center for Disease Control and Prevention, Jinan 250014, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Yi Peng
- Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China; School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China
| | - Xinglan Duan
- Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China; School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China
| | - En Meng
- Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China; School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China
| | - Cuili Zhang
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Tao Zeng
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Fuyong Song
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Jia-Sheng Wang
- Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China; Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, USA
| | - Xiulan Zhao
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China.
| | - Jun Zhou
- Department of Toxicology and Nutrition, School of Public Health, Cheeloo College of Medicine, Shandong University, 250012, China; Division of Chemistry and Physics, Shandong Center for Disease Control and Prevention, Jinan 250014, China.
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14
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Chen Y, Wang Y, Fu Y, Yin Y, Xu K. Modulating AHR function offers exciting therapeutic potential in gut immunity and inflammation. Cell Biosci 2023; 13:85. [PMID: 37179416 PMCID: PMC10182712 DOI: 10.1186/s13578-023-01046-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Aryl hydrocarbon receptor (AHR) is a ligand-dependent transcription factor. 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a classical exogenous synthetic ligand of AHR that has significant immunotoxic effects. Activation of AHR has beneficial effects on intestinal immune responses, but inactivation or overactivation of AHR can lead to intestinal immune dysregulation and even intestinal diseases. Sustained potent activation of AHR by TCDD results in impairment of the intestinal epithelial barrier. However, currently, AHR research has been more focused on elucidating physiologic AHR function than on dioxin toxicity. The appropriate level of AHR activation plays a role in maintaining gut health and protecting against intestinal inflammation. Therefore, AHR offers a crucial target to modulate intestinal immunity and inflammation. Herein, we summarize our current understanding of the relationship between AHR and intestinal immunity, the ways in which AHR affects intestinal immunity and inflammation, the effects of AHR activity on intestinal immunity and inflammation, and the effect of dietary habits on intestinal health through AHR. Finally, we discuss the therapeutic role of AHR in maintaining gut homeostasis and relieving inflammation.
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Affiliation(s)
- Yue Chen
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450000, China
| | - Yadong Wang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Yawei Fu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450000, China
| | - Yulong Yin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450000, China
| | - Kang Xu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
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15
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Saranya GR, Viswanathan P. Gut microbiota dysbiosis in AKI to CKD transition. Biomed Pharmacother 2023; 161:114447. [PMID: 37002571 DOI: 10.1016/j.biopha.2023.114447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 03/05/2023] Open
Abstract
BACKGROUND AND AIM The symptoms of acute kidney injury (AKI) include a sudden drop-in glomerular filtration rate (GFR), a rise in serum creatinine (sCr), blood urea nitrogen (BUN), and electrolytes, which leads to a rapid loss of kidney function. Chronic kidney disease progresses when AKI symptoms persist for over three months or 90 days. Numerous prevalent secondary risk factors, including diabetes, hypertension, obesity, and heart illness, are directly or indirectly linked to the development of AKI and the switch from AKI to CKD. Recently, the change of intestinal bacteria known as "gut dysbiosis" has been linked to distant organ dysfunction, including the heart, lungs, kidneys, and brain. Indirectly or directly, gut dysbiosis contributes to the progression of CKD and AKI. However, the effects of gut dysbiosis and the mechanism of action in the progression from AKI to CKD are unknown or need further investigation. The mechanism by which gut dysbiosis initiates AKI's progression to CKD should be explicitly concerned. The review primarily focuses on the action of gut dysbiosis in kidney disease, the effects of dysbiosis, the characterisation of dysbiosis and its pathogenic products, the various pathogenic routes and mechanism involved in expediting the transition from AKI to CKD. CONCLUSION We identified and briefly reviewed the impacts of dysbiosis in various situations such as hypoxia, mitochondrial induced reactive oxygen species (mtROS), aryl hydrocarbon receptor (AhR) activation and microbiota derived uremic toxemic substances profoundly to push AKI to CKD conditions.
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Affiliation(s)
- G R Saranya
- Renal Research Lab, School of Bio Sciences and Technology, Pearl Research Park, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Pragasam Viswanathan
- Renal Research Lab, School of Bio Sciences and Technology, Pearl Research Park, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India.
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16
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Lafleur VN, Halim S, Choudhry H, Ratcliffe PJ, Mole DR. Multi-level interaction between HIF and AHR transcriptional pathways in kidney carcinoma. Life Sci Alliance 2023; 6:e202201756. [PMID: 36725335 PMCID: PMC9896012 DOI: 10.26508/lsa.202201756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 02/03/2023] Open
Abstract
Hypoxia-inducible factor (HIF) and aryl hydrocarbon receptor (AHR) are members of the bHLH-PAS family of transcription factors that underpin cellular responses to oxygen and to endogenous and exogenous ligands, respectively, and have central roles in the pathogenesis of renal cancer. Composed of heterodimers, they share a common HIF-1β/ARNT subunit and similar DNA-binding motifs, raising the possibility of crosstalk between the two transcriptional pathways. Here, we identify both general and locus-specific mechanisms of interaction between HIF and AHR that act both antagonistically and cooperatively. Specifically, we observe competition for the common HIF-1β/ARNT subunit, in cis synergy for chromatin binding, and overlap in their transcriptional targets. Recently, both HIF and AHR inhibitors have been developed for the treatment of solid tumours. However, inhibition of one pathway may promote the oncogenic effects of the other. Therefore, our work raises important questions as to whether combination therapy targeting both of these pro-tumourigenic pathways might show greater efficacy than targeting each system independently.
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Affiliation(s)
| | - Silvia Halim
- NDM Research Building, University of Oxford, Old Road Campus, Oxford, UK
| | - Hani Choudhry
- Department of Biochemistry, Faculty of Science, Center of Innovation in Personalized Medicine, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Peter J Ratcliffe
- Ludwig Institute for Cancer Research, University of Oxford, Old Road Campus, Oxford, UK
- The Francis Crick Institute, London, UK
| | - David R Mole
- NDM Research Building, University of Oxford, Old Road Campus, Oxford, UK
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17
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Celik-Turgut G, Olmez N, Koc T, Ozgun-Acar O, Semiz A, Dodurga Y, Lale Satiroglu-Tufan N, Sen A. Role of AHR, NF-kB and CYP1A1 crosstalk with the X protein of Hepatitis B virus in hepatocellular carcinoma cells. Gene 2023; 853:147099. [PMID: 36476661 DOI: 10.1016/j.gene.2022.147099] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
In this study, it was aimed to elucidate the interaction between aryl hydrocarbon receptor (AHR), nuclear factor-kappa B (NF-kB), and cytochrome P4501A1 (CYP1A1) with hepatitis B virus X protein (HBX) in a human liver cancer cell line (HepG2) transfected with HBX. First, AHR, NF-kB, and CYP1A1 genes were cloned into the appropriate region of the CheckMate mammalian two-hybrid recipient plasmids using a flexi vector system. Renilla and firefly luciferases were quantified using the dual-luciferase reporter assay system to measure the interactions. Secondly, transient transfections of CYP1A1 and NF-kB (RelA) were performed into HBX-positive and HBX-negative HepG2 cells. The mRNA expression of CYP1A1 and NF-kB genes were confirmed with RT-PCR, and cell viability was measured by WST-1. Further verification was assessed by measuring the activity and protein level of CYP1A1. Additionally, CYP1A1/HBX protein-protein interactions were performed with co-immunoprecipitation, which demonstrated no interaction. These results have clearly shown that the NF-kB and AHR genes interact with HBX without involving CYP1A1 and HBX protein-protein interactions. The present study confirms that AHR and NF-kB interaction plays a role in the HBV mechanism mediated via HBX and coordinating the carcinogenic or inflammatory responses; still, the CYP1A1 gene has no effect on this interaction.
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Affiliation(s)
- Gurbet Celik-Turgut
- Department of Organic Agriculture Management, Pamukkale University, Denizli, Turkey
| | - Nazmiye Olmez
- Departments of Biology, Pamukkale University, Denizli, Turkey
| | - Tugba Koc
- Departments of Biology, Pamukkale University, Denizli, Turkey
| | - Ozden Ozgun-Acar
- Seed Breeding & Genetics Application Research Center, Pamukkale University, Denizli, Turkey
| | - Asli Semiz
- Departments of Biomedical Engineering, Pamukkale University, Denizli, Turkey
| | - Yavuz Dodurga
- Departments of Medical Biology, Pamukkale University, Denizli, Turkey
| | | | - Alaattin Sen
- Departments of Biology, Pamukkale University, Denizli, Turkey; Departments of Molecular Biology and Genetics, Abdullah Gul University, Kayseri, Turkey.
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18
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Zhang X, Flaws JA, Spinella MJ, Irudayaraj J. The Relationship between Typical Environmental Endocrine Disruptors and Kidney Disease. TOXICS 2022; 11:32. [PMID: 36668758 PMCID: PMC9863798 DOI: 10.3390/toxics11010032] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/17/2022] [Accepted: 12/27/2022] [Indexed: 05/12/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are exogenous substances that alter the endocrine function of an organism, to result in adverse effects on growth and development, metabolism, and reproductive function. The kidney is one of the most important organs in the urinary system and an accumulation point. Studies have shown that EDCs can cause proteinuria, affect glomeruli and renal tubules, and even lead to diabetes and renal fibrosis in animal and human studies. In this review, we discuss renal accumulation of select EDCs such as dioxins, per- and polyfluoroalkyl substances (PFAS), bisphenol A (BPA), and phthalates, and delineate how exposures to such EDCs cause renal lesions and diseases, including cancer. The regulation of typical EDCs with specific target genes and the activation of related pathways are summarized.
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Affiliation(s)
- Xing Zhang
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | - Jodi A. Flaws
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Carl Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | - Michael J. Spinella
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Carl Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | - Joseph Irudayaraj
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Carl Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
- Beckman Institute of Technology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
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19
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Arowolo O, Salemme V, Suvorov A. Towards Whole Health Toxicology: In-Silico Prediction of Diseases Sensitive to Multi-Chemical Exposures. TOXICS 2022; 10:764. [PMID: 36548597 PMCID: PMC9784704 DOI: 10.3390/toxics10120764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/15/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Chemical exposures from diverse sources merge on a limited number of molecular pathways described as toxicity pathways. Changes in the same set of molecular pathways in different cell and tissue types may generate seemingly unrelated health conditions. Today, no approaches are available to predict in an unbiased way sensitivities of different disease states and their combinations to multi-chemical exposures across the exposome. We propose an inductive in-silico workflow where sensitivities of genes to chemical exposures are identified based on the overlap of existing genomic datasets, and data on sensitivities of individual genes is further used to sequentially derive predictions on sensitivities of molecular pathways, disease states, and groups of disease states (syndromes). Our analysis predicts that conditions representing the most significant public health problems are among the most sensitive to cumulative chemical exposures. These conditions include six leading types of cancer in the world (prostatic, breast, stomach, lung, colorectal neoplasms, and hepatocellular carcinoma), obesity, type 2 diabetes, non-alcoholic fatty liver disease, autistic disorder, Alzheimer's disease, hypertension, heart failure, brain and myocardial ischemia, and myocardial infarction. Overall, our predictions suggest that environmental risk factors may be underestimated for the most significant public health problems.
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Affiliation(s)
- Olatunbosun Arowolo
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, 686 North Pleasant Street, Amherst, MA 01003, USA
| | - Victoria Salemme
- Department of Pharmacology, University of California, 1275 Med Science, Davis, CA 95616, USA
| | - Alexander Suvorov
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, 686 North Pleasant Street, Amherst, MA 01003, USA
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20
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Cao G, Miao H, Wang YN, Chen DQ, Wu XQ, Chen L, Guo Y, Zou L, Vaziri ND, Li P, Zhao YY. Intrarenal 1-methoxypyrene, an aryl hydrocarbon receptor agonist, mediates progressive tubulointerstitial fibrosis in mice. Acta Pharmacol Sin 2022; 43:2929-2945. [PMID: 35577910 PMCID: PMC9622813 DOI: 10.1038/s41401-022-00914-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/17/2022] [Indexed: 12/29/2022] Open
Abstract
Recent studies have shown that endogenous metabolites act via aryl hydrocarbon receptor (AhR) signalling pathway in tubulointerstitial fibrosis (TIF) pathogenesis. However, the mechanisms underlying endogenous metabolite-mediated AhR activation are poorly characterised. In this study, we conducted untargeted metabolomics analysis to identify the significantly altered intrarenal metabolites in a mouse model of unilateral ureteral obstruction (UUO). We found that the levels of the metabolite 1-methoxypyrene (MP) and the mRNA expression of AhR and its target genes CYP1A1, CYP1A2, CYP1B1 and COX-2 were progressively increased in the obstructed kidney at Weeks 1, 2 and 3. Furthermore, these changes were positively correlated with progressive TIF in UUO mice. In NRK-52E, RAW 264.7 and NRK-49F cells, MP dose-dependently upregulated the mRNA expression of AhR and its four target genes and the protein expression of nuclear AhR, accompanied by the upregulated protein expression of collagen I, α-SMA and fibronectin, as well as downregulated E-cadherin expression. Consistently, oral administration of MP in mice progressively enhanced AhR activity and upregulated profibrotic protein expression in the kidneys; these effects were partially inhibited by AhR knockdown in MP-treated mice and cell lines. In addition, we screened and identified erythro-guaiacylglycerol-β-ferulic acid ether (GFA), which was isolated from Semen plantaginis, as a new AhR antagonist. GFA significantly attenuated TIF in MP-treated NRK-52E cells and mice by partially antagonising AhR activity. Our results suggest that MP activates AhR signalling, thus mediating TIF through epithelial-mesenchymal transition and macrophage-myofibroblast transition. MP is a crucial metabolite that contributes to TIF via AhR signalling pathway.
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Affiliation(s)
- Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, No. 548 Binwen Road, Hangzhou, 310053, China.
| | - Hua Miao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, China
| | - Yan-Ni Wang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, China
| | - Dan-Qian Chen
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, Department of Nephrology, China-Japan Friendship Hospital, No. 2 Yinghua East Road, Beijing, 100029, China
| | - Xia-Qing Wu
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, China
| | - Lin Chen
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, China
| | - Yan Guo
- Department of Internal Medicine, University of New Mexico, 1700 Lomas Blvd NE, Albuquerque, NM, 87131, USA
| | - Liang Zou
- School of Food and Bioengineering, Chengdu University, No. 2025 Chengluo Avenue, Chengdu, 610106, China
| | - Nosratola D Vaziri
- Division of Nephrology and Hypertension, School of Medicine, University of California Irvine, 1001 Health Sciences Rd, Irvine, CA, 92897, USA
| | - Ping Li
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, Department of Nephrology, China-Japan Friendship Hospital, No. 2 Yinghua East Road, Beijing, 100029, China.
| | - Ying-Yong Zhao
- School of Pharmacy, Zhejiang Chinese Medical University, No. 548 Binwen Road, Hangzhou, 310053, China.
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, China.
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21
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Osimitz TG, Droege W, Hendriks G, Blais MS. Evaluation of potential toxicity of smoke from controlled burns of furnished rooms - effect of flame retardancy. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:783-797. [PMID: 35702027 DOI: 10.1080/15287394.2022.2087812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
It has been reported that incorporation of fire retardants into home furnishings and electronics increases the toxicity of smoke produced during combustion in house fires. Studies have been limited to exercises in analytical chemistry but the biological effects of emissions, particularly regarding chronic toxicity, have not been investigated. The combustion of furnishings with and without chemical flame retardants (FR) regarding (1) ignition resistance and fire progression, (2) chemical composition of smoke (analytical chemistry), and (3) toxicity was compared. Data demonstrated that flame retarded furnishings slowed the generation of toxic levels of acutely toxic gases. The potential chronic toxicity of smoke was assessed using the ToxTracker® assay. Smoke samples from rooms with less flame retarded furnishings exhibited a lesser response in this assay than smoke samples from rooms with flame retarded furnishings. Chemicals associated with activation of the aryl hydrocarbon receptor (AHR), namely benzo[b]fluoranthene, benzo[a]anthracene, benzo[a]pyrene, chrysene, and indeno[1,2,3-cd]pyrene, were not found in smoke from more flame retarded furnished rooms, but were present only in smoke from rooms with less flame retarded furnishings. In conclusion, smoke resulting from combustion of flame retarded furnishings did not increase indicators of potential chronic toxicity hazards relative to non-flame retarded furnishings.
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22
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Yang CE, Wang YN, Hua MR, Miao H, Zhao YY, Cao G. Aryl hydrocarbon receptor: From pathogenesis to therapeutic targets in aging-related tissue fibrosis. Ageing Res Rev 2022; 79:101662. [PMID: 35688331 DOI: 10.1016/j.arr.2022.101662] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 04/22/2022] [Accepted: 06/02/2022] [Indexed: 11/27/2022]
Abstract
Aging promotes chronic inflammation, which contributes to fibrosis and decreases organ function. Fibrosis, the excessive synthesis and deposition of extracellular matrix components, is the main cause of most chronic diseases including aging-related organ failure. Organ fibrosis in the heart, liver, and kidneys is the final manifestation of many chronic diseases. The aryl hydrocarbon receptor (AHR) is a cytoplasmic receptor and highly conserved transcription factor that is activated by a variety of small-molecule ligands to affect a wide array of tissue homeostasis functions. In recent years, mounting evidence has revealed that AHR plays an important role in multi-organ fibrosis initiation, progression, and therapy. In this review, we summarise the relationship between AHR and the pathogenesis of aging-related tissue fibrosis, and further discuss how AHR modulates tissue fibrosis by regulating transforming growth factor-β signalling, immune response, and mitochondrial function, which may offer novel targets for the prevention and treatment of this condition.
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Affiliation(s)
- Chang-E Yang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China
| | - Yan-Ni Wang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China
| | - Meng-Ru Hua
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China
| | - Hua Miao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China.
| | - Ying-Yong Zhao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi 710069, China.
| | - Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, No. 548 Binwen Road, Hangzhou, Zhejiang 310053, China.
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23
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Tan YQ, Wang YN, Feng HY, Guo ZY, Li X, Nie XL, Zhao YY. Host/microbiota interactions-derived tryptophan metabolites modulate oxidative stress and inflammation via aryl hydrocarbon receptor signaling. Free Radic Biol Med 2022; 184:30-41. [PMID: 35367341 DOI: 10.1016/j.freeradbiomed.2022.03.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 03/21/2022] [Accepted: 03/28/2022] [Indexed: 02/07/2023]
Abstract
Aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that induces the expression of a broad range of downstream genes such as cytochromes P450 enzymes and cyclooxygenase-2. Recent research focuses are shifting from AhR activation induced by xenobiotics to its response patterns to physiological ligands that expand our understanding of how endogenous metabolites as ligands to modulate AhR signaling pathway under homeostasis and pathological conditions. With increasing interest in AhR and its endogenous ligands, it would seem advisable to summarize a variety of endogenous ligands especially host/gut microbiota-derived tryptophan metabolites. Mounting evidence has indicated that AhR play a critical role in the regulation of redox homeostasis and immune responses. In this review, we outline the canonical and non-canonical AhR signalling pathway that is mediated by host/gut microbiota-derived tryptophan metabolites. Through several typical endogenous AhR ligands, we investigated the molecular mechanisms of AhR-induced oxidative stress and inflammation in the pathological milieu, including diabetes, diabetic kidney disease and end-stage renal disease. Finally, we summarize and emphasize the limitations and breakthrough of endogenous AhR ligands from host/microbial tryptophan catabolites. This review might provide novel diagnostic and prognostic approach for refractory human diseases and establish new therapeutic strategies for AhR activation.
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Affiliation(s)
- Yue-Qi Tan
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Yan-Ni Wang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Hao-Yu Feng
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Zhi-Yuan Guo
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Xia Li
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China; Department of General Practice, Xi'an International Medical Center Hospital, Northwest University, No. 777 Xitai Road, Xi'an, Shaanxi, 710100, China.
| | - Xiao-Li Nie
- Department of Nephrology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, No.13, Shi Liu Gang Road, Haizhu District, Guangzhou, Guangdong, 510315, China.
| | - Ying-Yong Zhao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China.
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24
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Gao S, Chao Y, Li N, Li H, Zhao H, Liu X, Chen W, Dong X. An Integrated Proteomics and Metabolomics Strategy for the Mechanism of Calcium Oxalate Crystal-Induced Kidney Injury. Front Med (Lausanne) 2022; 9:805356. [PMID: 35308536 PMCID: PMC8927618 DOI: 10.3389/fmed.2022.805356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/07/2022] [Indexed: 02/01/2023] Open
Abstract
Renal fibrosis is the pathological repair reaction of the kidney to chronic injury, which is an important process of chronic kidney disease (CKD) progressing to end-stage renal failure. Nephrolithiasis is one of the most common renal diseases, with waist and abdomen pain, hematuria, urinary tract infection, and other clinical symptoms, which can increase the risk of renal fibrosis. Oxalate crystal-induced kidney injury is an early stage of nephrolithiasis; it is of great significance to explore the mechanism for the prevention and treatment of nephrolithiasis. A rodent model of calcium oxalate (CaOx) crystal-induced kidney injury was used in the present study, and a network analysis method combining proteomics and metabolomics was conducted to reveal the mechanism of crystal kidney injury and to provide potential targets for the intervention of nephrolithiasis. Using the metabolomics method based on the UHPLC-Q/TOF-MS platform and the iTRAQ quantitative proteomics method, we screened a total of 244 metabolites and 886 proteins from the kidney tissues that had significant changes in the Crystal group compared with that in the Control group. Then, the ingenuity pathway analysis (IPA) was applied to construct a protein-to-metabolic regulatory network by correlating and integrating differential metabolites and proteins. The results showed that CaOx crystals could induce inflammatory reactions and oxidative stress through Akt, ERK1/2, and P38 MAPK pathways and affect amino acid metabolism and fatty acid β-oxidation to result in kidney injury, thus providing an important direction for the early prevention and treatment of nephrolithiasis.
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Affiliation(s)
- Songyan Gao
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Yufan Chao
- School of Medicine, Shanghai University, Shanghai, China
| | - Na Li
- School of Medicine, Shanghai University, Shanghai, China
| | - Henghui Li
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Hongxia Zhao
- School of Medicine, Shanghai University, Shanghai, China
| | - Xinru Liu
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- *Correspondence: Xinru Liu
| | - Wei Chen
- Department of Nephrology, Changhai Hospital, Naval Military Medical University, Shanghai, China
- Wei Chen
| | - Xin Dong
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- School of Medicine, Shanghai University, Shanghai, China
- Xin Dong
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25
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Sa R, Guo M, Liu D, Guan F. AhR Antagonist Promotes Differentiation of Papillary Thyroid Cancer via Regulating circSH2B3/miR-4640-5P/IGF2BP2 Axis. Front Pharmacol 2022; 12:795386. [PMID: 35002727 PMCID: PMC8733664 DOI: 10.3389/fphar.2021.795386] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/23/2021] [Indexed: 12/24/2022] Open
Abstract
Abnormally high expression of aryl hydrocarbon receptor (AhR) has been implicated in dedifferentiation of radioiodine-refractory papillary thyroid cancer (RR-PTC). This study aimed to evaluate the differentiation effect of AhR antagonist in PTC, and to explore the potential mechanism of it. Results showed that AhR antagonists promoted differentiation of PTC, as shown as increase in 125I uptake and Na/I symporter (NIS) expression level. CircRNA microarray in K1 cells treated with StemRegenin 1(SR1) revealed that hsa_circ_0006741 (circSH2B3) was down-regulated in SR1 treated K1 cells. Downregulation of circSH2B3 increased 125I uptake and NIS expression levels. CircSH2B3 acted as an endogenous sponge of hsa-miR-4640-5p and modulated IGF2BP2 expression. IGF2BP2 overexpression induced dedifferentiation of PTC, while silencing IGF2BP2 accelerated differentiation of PTC cells. Rescue studies showed that the dedifferentiation activity of AhR was modulated by the circSH2B3/miR-4640-5p/IGF2BP2 axis. Our findings confirmed for the first time that AhR antagonists promote differentiation of PTC via inhibiting the circSH2B3/miR-4640-5p/IGF2BP2 axis, offering a novel therapeutic approach and a potential marker for differentiation of PTC.
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Affiliation(s)
- Ri Sa
- Department of Nuclear Medicine, The First Hospital of Jilin University, Changchun, China
| | - Meiliang Guo
- Department of Dermatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Danyan Liu
- Department of Radiology, The First Hospital of Jilin University, Changchun, China
| | - Feng Guan
- Department of Nuclear Medicine, The First Hospital of Jilin University, Changchun, China
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26
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Luo LP, Suo P, Ren LL, Liu HJ, Zhang Y, Zhao YY. Shenkang Injection and Its Three Anthraquinones Ameliorates Renal Fibrosis by Simultaneous Targeting IƙB/NF-ƙB and Keap1/Nrf2 Signaling Pathways. Front Pharmacol 2021; 12:800522. [PMID: 35002735 PMCID: PMC8729217 DOI: 10.3389/fphar.2021.800522] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 11/17/2021] [Indexed: 12/29/2022] Open
Abstract
Oxidative stress and inflammation are important and critical mediators in the development and progression of chronic kidney disease (CKD) and its complications. Shenkang injection (SKI) has been widely used to treat patients with CKD. Although the anti-oxidative and anti-inflammatory activity was involved in SKI against CKD, its bioactive components and underlying mechanism remain enigmatic. A rat model of adenine-induced chronic renal failure (CRF) is associated with, and largely driven by, oxidative stress and inflammation. Hence, we identified the anti-oxidative and anti-inflammatory components of SKI and further revealed their underlying mechanism in the adenine-induced CRF rats. Compared with control rats, the levels of creatinine, urea, uric acid, total cholesterol, triglyceride, and low-density lipoprotein cholesterol in serum were significantly increased in the adenine-induced CRF rats. However, treatment with SKI and its three anthraquinones including chrysophanol, emodin, and rhein could reverse these aberrant changes. They could significantly inhibit pro-fibrotic protein expressions including collagen I, α-SMA, fibronectin, and vimentin in the kidney tissues of the adenine-induced CRF rats. Of note, SKI and rhein showed the stronger inhibitory effect on these pro-fibrotic protein expressions than chrysophanol and emodin. Furthermore, they could improve dysregulation of IƙB/NF-ƙB and Keap1/Nrf2 signaling pathways. Chrysophanol and emodin showed the stronger inhibitory effect on the NF-κB p65 protein expression than SKI and rhein. Rhein showed the strongest inhibitory effect on p65 downstream target gene products including NAD(P)H oxidase subunits (p47phox, p67phox, and gp91phox) and COX-2, MCP-1, iNOS, and 12-LO in the kidney tissues. However, SKI and rhein showed the stronger inhibitory effect on the significantly downregulated anti-inflammatory and anti-oxidative protein expression nuclear Nrf2 and its target gene products including HO-1, catalase, GCLC, and NQO1 in the Keap1/Nrf2 signaling pathway than chrysophanol and emodin. This study first demonstrated that SKI and its major components protected against renal fibrosis by inhibiting oxidative stress and inflammation via simultaneous targeting IƙB/NF-ƙB and Keap1/Nrf2 signaling pathways, which illuminated the potential molecular mechanism of anti-oxidative and anti-inflammatory effects of SKI.
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Affiliation(s)
- Liang-Pu Luo
- Faculty of Life Science and Medicine, Northwest University, Xi’an, China
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Ping Suo
- Faculty of Life Science and Medicine, Northwest University, Xi’an, China
| | - Li-Li Ren
- Faculty of Life Science and Medicine, Northwest University, Xi’an, China
| | - Hong-Jiao Liu
- Faculty of Life Science and Medicine, Northwest University, Xi’an, China
| | - Yamei Zhang
- Clinical Genetics Laboratory, Affiliated Hospital and Clinical Medical College of Chengdu University, Chengdu, China
| | - Ying-Yong Zhao
- Faculty of Life Science and Medicine, Northwest University, Xi’an, China
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27
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Xing D, Li Q, Lin G, Lin H, Kang W, Zhang M, Ding R, Li N. The protective effects of propofol against renal ischemia-reperfusion injury are potentiated by norisoboldine treatment via inhibition of oxidative stress pathways. J Biochem Mol Toxicol 2021; 36:e22937. [PMID: 34719823 DOI: 10.1002/jbt.22937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 09/12/2021] [Accepted: 10/06/2021] [Indexed: 12/18/2022]
Abstract
Acute kidney injury (AKI) is a significant worldwide health problem. The protective effects of norisoboldine (NOR) against ischemia/reperfusion (I/R) induced renal injury in a rat model were evaluated. AKI was induced in rats by I/R. Animals were treated with 20 mg/kg/h propofol, intraperitoneally administered and 10 mg/kg NOR 30 min before inducing renal ischemia. Biomarkers of kidney function, including cytokines and oxidative stress parameters, were measured in serum. The serum levels of creatinine and blood urea nitrogen in propofol- and NOR-treated rats were lower compared to the untreated I/R group. Moreover, treatment with propofol or NOR, alone and in combination, decreased the levels of cytokines and oxidative stress in rats with kidney injury. In conclusion, this study suggested that treatment with NOR potentiated the nephroprotective effects of propofol in rats with I/R-induced renal injury by ameliorating oxidative stress and apoptosis pathway.
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Affiliation(s)
- Dandan Xing
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - QiuChang Li
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Guanwen Lin
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Hui Lin
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Wenyue Kang
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Min Zhang
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Rong Ding
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Na Li
- Department of Anesthesiology, Hainan General Hospital, Haikou, Hainan, China.,Department of Anesthesiology, Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
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28
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Kgatle MM, Lawal IO, Mashabela G, Boshomane TMG, Koatale PC, Mahasha PW, Ndlovu H, Vorster M, Rodrigues HG, Zeevaart JR, Gordon S, Moura-Alves P, Sathekge MM. COVID-19 Is a Multi-Organ Aggressor: Epigenetic and Clinical Marks. Front Immunol 2021; 12:752380. [PMID: 34691068 PMCID: PMC8531724 DOI: 10.3389/fimmu.2021.752380] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/21/2021] [Indexed: 12/19/2022] Open
Abstract
The progression of coronavirus disease 2019 (COVID-19), resulting from a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, may be influenced by both genetic and environmental factors. Several viruses hijack the host genome machinery for their own advantage and survival, and similar phenomena might occur upon SARS-CoV-2 infection. Severe cases of COVID-19 may be driven by metabolic and epigenetic driven mechanisms, including DNA methylation and histone/chromatin alterations. These epigenetic phenomena may respond to enhanced viral replication and mediate persistent long-term infection and clinical phenotypes associated with severe COVID-19 cases and fatalities. Understanding the epigenetic events involved, and their clinical significance, may provide novel insights valuable for the therapeutic control and management of the COVID-19 pandemic. This review highlights different epigenetic marks potentially associated with COVID-19 development, clinical manifestation, and progression.
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Affiliation(s)
- Mankgopo Magdeline Kgatle
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
| | - Ismaheel Opeyemi Lawal
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, Steve Biko Academic Hospital, Pretoria, South Africa
| | - Gabriel Mashabela
- SAMRC/NHLS/UCT Molecular Mycobacteriology Research Unit, DSI/NRF Centre of Excellence for Biomedical TB Research, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Tebatso Moshoeu Gillian Boshomane
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, Steve Biko Academic Hospital, Pretoria, South Africa
- Nuclear and Oncology Division, AXIM Medical (Pty), Midrand
| | - Palesa Caroline Koatale
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
| | - Phetole Walter Mahasha
- Precision Medicine and SAMRC Genomic Centre, Grants, Innovation, and Product Development (GIPD) Unit, South African Medical Research Council, Pretoria, South Africa
| | - Honest Ndlovu
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
| | - Mariza Vorster
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
| | - Hosana Gomes Rodrigues
- Laboratory of Nutrients and Tissue Repair, School of Applied Sciences, University of Campinas, Campinas, Brazil
| | - Jan Rijn Zeevaart
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- South African Nuclear Energy Corporation, Radiochemistry and NuMeRI PreClinical Imaging Facility, Mahikeng, South Africa
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan City, Taiwan
| | - Siamon Gordon
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan City, Taiwan
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Pedro Moura-Alves
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Mike Machaba Sathekge
- Nuclear Medicine Research Infrastructure (NuMeRI), Steve Biko Academic Hospital, Pretoria, South Africa
- Department of Nuclear Medicine, University of Pretoria & Steve Biko Academic Hospital, Pretoria, South Africa
- SAMRC/NHLS/UCT Molecular Mycobacteriology Research Unit, DSI/NRF Centre of Excellence for Biomedical TB Research, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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29
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Miao H, Wu XQ, Wang YN, Chen DQ, Chen L, Vaziri ND, Zhuang S, Guo Y, Su W, Ma SX, Zhang HQ, Shang YQ, Yu XY, Zhao YL, Mao JR, Gao M, Zhang JH, Zhao J, Zhang Y, Zhang L, Zhao YY, Cao G. 1-Hydroxypyrene mediates renal fibrosis through aryl hydrocarbon receptor signalling pathway. Br J Pharmacol 2021; 179:103-124. [PMID: 34625952 DOI: 10.1111/bph.15705] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 09/08/2021] [Accepted: 09/13/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND AND PURPOSE In chronic kidney disease (CKD), patients inevitably reach end-stage renal disease and require renal transplant. Evidence suggests that CKD is associated with metabolite disorders. However, the molecular pathways targeted by metabolites remain enigmatic. Here, we describe roles of 1-hydroxypyrene in mediating renal fibrosis. EXPERIMENTAL APPROACH We analysed 5406 urine and serum samples from patients with Stage 1-5 CKD using metabolomics, and 1-hydroxypyrene was identified and validated using longitudinal and drug intervention cohorts as well as 5/6 nephrectomised and adenine-induced rats. KEY RESULTS We identified correlations between the urine and serum levels of 1-hydroxypyrene and the estimated GFR in patients with CKD onset and progression. Moreover, increased 1-hydroxypyrene levels in serum and kidney tissues correlated with decreased renal function in two rat models. Up-regulated mRNA expression of aryl hydrocarbon receptor and its target genes, including CYP1A1, CYP1A2 and CYP1B1, were observed in patients and rats with progressive CKD. Further we showed up-regulated mRNA expression of aryl hydrocarbon receptor and its three target genes, plus up-regulated nuclear aryl hydrocarbon receptor protein levels in mice and HK-2 cells treated with 1-hydroxypyrene, which caused accumulation of extracellular matrix components. Treatment with aryl hydrocarbon receptor short hairpin RNA or flavonoids inhibited mRNA expression of aryl hydrocarbon receptor and its target genes in 1-hydroxypyrene-induced HK-2 cells and mice. CONCLUSION AND IMPLICATIONS Metabolite 1-hydroxypyrene was demonstrated to mediate renal fibrosis through activation of the aryl hydrocarbon receptor signalling pathway. Targeting aryl hydrocarbon receptor may be an alternative therapeutic strategy for CKD progression.
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Affiliation(s)
- Hua Miao
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Xia-Qing Wu
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Yan-Ni Wang
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Dan-Qian Chen
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Lin Chen
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Nosratola D Vaziri
- Division of Nephrology and Hypertension, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Rhode Island Hospital and Alpert Medical School, Brown University, Providence, Rhode Island, USA
| | - Yan Guo
- Department of Internal Medicine, University of New Mexico, Albuquerque, New Mexico, USA
| | - Wei Su
- Department of Nephrology, Baoji Central Hospital, Baoji, China
| | - Shi-Xing Ma
- Department of Nephrology, Baoji Central Hospital, Baoji, China
| | - Huan-Qiao Zhang
- Department of Nephrology, Baoji Central Hospital, Baoji, China
| | - You-Quan Shang
- Department of Nephrology, Baoji Central Hospital, Baoji, China
| | - Xiao-Yong Yu
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Yan-Long Zhao
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Jia-Rong Mao
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Ming Gao
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, China
| | - Jin-Hua Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, China
| | - Jin Zhao
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, China
| | - Yuan Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, China
| | - Li Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, China
| | - Ying-Yong Zhao
- Faculty of Life Science and Medicine, Northwest University, Xi'an, China
| | - Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, China
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Larigot L, Benoit L, Koual M, Tomkiewicz C, Barouki R, Coumoul X. Aryl Hydrocarbon Receptor and Its Diverse Ligands and Functions: An Exposome Receptor. Annu Rev Pharmacol Toxicol 2021; 62:383-404. [PMID: 34499523 DOI: 10.1146/annurev-pharmtox-052220-115707] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The aryl hydrocarbon receptor (AhR) is a transcriptional factor that regulates multiple functions following its activation by a variety of ligands, including xenobiotics, natural products, microbiome metabolites, and endogenous molecules. Because of this diversity, the AhR constitutes an exposome receptor. One of its main functions is to regulate several lines of defense against chemical insults and bacterial infections. Indeed, in addition to its well-established detoxication function, it has several functions at physiological barriers, and it plays a critical role in immunomodulation. The AhR is also involved in the development of several organs and their homeostatic maintenance. Its activity depends on the type of ligand and on the time frame of the receptor activation, which can be either sustained or transient, leading in some cases to opposite modes of regulations as illustrated in the regulation of different cancer pathways. The development of selective modulators and their pharmacological characterization are important areas of research. Expected final online publication date for the Annual Review of Pharmacology and Toxicology, Volume 62 is January 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Lucie Larigot
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France;
| | - Louise Benoit
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France; .,Service de Chirurgie Cancérologique Gynécologique et du Sein, Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges-Pompidou, 75015 Paris, France
| | - Meriem Koual
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France; .,Service de Chirurgie Cancérologique Gynécologique et du Sein, Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges-Pompidou, 75015 Paris, France
| | - Céline Tomkiewicz
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France;
| | - Robert Barouki
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France; .,Service de Chirurgie Cancérologique Gynécologique et du Sein, Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges-Pompidou, 75015 Paris, France
| | - Xavier Coumoul
- INSERM UMR-S1124, T3S, Toxicologie Environnementale, Cibles thérapeutiques, Signalisation cellulaire et Biomarqueurs, and Université de Paris, 75006 Paris, France;
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31
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Andac-Ozturk S, Koc G, Soyocak A. Association of aryl hydrocarbon receptor (AhR) serum level and gene rs10247158 polymorphism with anthropometric, biochemical parameters and food consumption in overweight/obese patients. Int J Clin Pract 2021; 75:e14436. [PMID: 34091989 DOI: 10.1111/ijcp.14436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/06/2021] [Accepted: 06/02/2021] [Indexed: 11/29/2022] Open
Abstract
AIM Aryl hydrocarbon receptor (AhR) plays a role in xenobiotic metabolism, which can be also activated by dietary patterns and components. AhR ligands in circulation are reported to induce weight gain, glucose intolerance and suggested to contribute to the development of obesity. In this study, we aimed to examine the relationship of the AhR gene and its polymorphisms with obesity and food consumption. METHODS The study was conducted with 117 individuals of whom 52 had a body mass index (BMI) of <25 (normal weight) and 65 had a BMI of ≥25 (overweight/obese). The distribution of the serum level and polymorphism (rs10247158) of the participants were determined in venous blood samples using the ELISA and PCR method. Body composition and skinfold thickness of the individuals were measured and their food consumption records were analysed in the BeBiS program. RESULTS The serum AhR, HOMA-IR, fasting blood glucose and basal insulin levels were found to be significantly higher (P < .001); however, no relationship was found between AhR polymorphisms in the overweight/obese individuals. In the overweight/obese group, the serum AhR level had a negative correlation with potassium, coffee and alcohol consumption and a positive correlation with suprailiac skinfold thickness. Dietary patterns expected to be related with increased serum AhR levels, such as fat and derivatives, were not observed in overweight/obese group; on the other hand, there was a negative correlation in normal group. CONCLUSION In our study, the serum AhR levels of the overweight/obese individuals were found to be significantly higher. Some dietary patterns were determined to be correlated with serum AhR levels in overweight/obese group. However, the results need to be confirmed for ethnic differences and larger samples.
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Affiliation(s)
- Serap Andac-Ozturk
- Department of Nutrition and Dietetic, Health Science Faculty, Istanbul Aydin University, Istanbul, Turkey
| | - Gulsah Koc
- Department of Medical Biology, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
| | - Ahu Soyocak
- Department of Medical Biology, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
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32
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Dai G, Chen X, He Y. The Gut Microbiota Activates AhR Through the Tryptophan Metabolite Kyn to Mediate Renal Cell Carcinoma Metastasis. Front Nutr 2021; 8:712327. [PMID: 34458309 PMCID: PMC8384964 DOI: 10.3389/fnut.2021.712327] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/20/2021] [Indexed: 12/20/2022] Open
Abstract
Background: The incidence of renal cell carcinoma (RCC) is increasing year by year. It is difficult to have complete treatment so far. Studies have shown that tryptophan metabolite Kynurenine (Kyn) affects cell proliferation, migration, apoptosis, adhesion, and differentiation. Our aim is to explore whether Kyn activates aromatic hydrocarbon receptor (AhR) to mediate RCC metastasis. Methods: We collected RCC tissues and feces from RCC patients. 16S rRNA technology was performed to analyze the gut microbial composition of RCC patients. LC-MS/MS was used to analyze the gut microbial metabolites. The AhR was inhibited and treated with Kyn. Immunofluorescence was used to measure the degree of AhR activation. The migration and invasion ability of 786-O cells was tested by Transwell assay. Flow cytometry and cell cycle assay were utilized to observe the apoptosis and cycle of 786-O cells. CCK-8 assay was used to detect 786-O cells proliferation. qRT-PCR and Western blot were used to detect AhR and EMT-related genes expression level. Results: AhR expression was up-regulated in RCC tissues. RCC gut microbiota was disordered. The proportion of Kyn was increased in RCC. After being treated with Kyn, the migration, invasion, and proliferation ability of 786-O cells were decreased. Furthermore, the expression of EMT-related protein E-cadherin decreased, and the expression of N-cadherin and Vimentin increased. The proportion of 786-O cells in the S phase increased. The apoptosis rate of 786-O cells was inhibited. Conclusion: The tryptophan metabolite Kyn could activate AhR. Kyn could promote 786-O cells migration and invasion. Gut microbiota could activate AhR through its tryptophan metabolite Kyn to mediate RCC metastasis.
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Affiliation(s)
- Guoyu Dai
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
| | - Yao He
- Department of Urology, Xiangya Hospital, Central South University, Changsha, China
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33
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Shrestha D, Picciotto S, LaValley MP, Liu S, Hammond SK, Weiner DE, Eisen EA, Applebaum KM. End-stage renal disease and metalworking fluid exposure. Occup Environ Med 2021; 79:24-31. [PMID: 34210793 DOI: 10.1136/oemed-2020-106715] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 05/24/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Despite increasing prevalence of end-stage renal disease (ESRD), little attention has been directed to how occupational exposures may contribute to risk. Our objective was to investigate the relationship between metalworking fluids (MWF) and ESRD in a cohort of 36 703 male autoworkers. METHODS We accounted for competing risk of death, using the subdistribution hazard approach to estimate subhazard ratios (sHRs) and 95% CIs in models with cubic splines for cumulative exposure to MWF (straight, soluble or synthetic). RESULTS Based on 501 ESRD cases and 13 434 deaths, we did not observe an association between MWF and ESRD overall. We observed modest associations between MWF and ESRD classification of glomerulonephritis and diabetic nephropathy. For glomerulonephritis, the 60th percentile of straight MWF was associated with an 18% increased subhazard (sHR=1.18, 95% CI: 0.99 to 1.41). For diabetic nephropathy, the subhazard increased 28% at the 60th percentile of soluble MWF (sHR=1.28, 95% CI: 1.00 to 1.64). Differences by race suggest that black males may have higher disease rates following MWF exposure. CONCLUSIONS Exposure to straight and soluble MWF may be related to ESRD classification, though this relationship should be further examined.
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Affiliation(s)
- Deepika Shrestha
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia, USA
| | - Sally Picciotto
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Michael P LaValley
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Sa Liu
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA.,School of Health Sciences, Purdue University, West Lafayette, Indiana, USA
| | - S Katharine Hammond
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Daniel E Weiner
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts, USA
| | - Ellen A Eisen
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Katie M Applebaum
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia, USA
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34
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Khattab SA, Hussien WF, Raafat N, Ahmed Alaa El-Din E. Modulatory effects of catechin hydrate on benzo[a]pyrene-induced nephrotoxicity in adult male albino rats. Toxicol Res (Camb) 2021; 10:542-550. [PMID: 34141168 DOI: 10.1093/toxres/tfab029] [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: 12/25/2020] [Revised: 02/18/2021] [Accepted: 03/01/2021] [Indexed: 11/12/2022] Open
Abstract
Benzo [a] pyrene (B[a]P) is a potent mutagen and carcinogen, considered one of the commonest concomitants in the environment. The study aimed to evaluate the effect of catechin hydrate on benzo pyrene-induced kidney toxicity. Thirty-six adult male albino rats were divided into six groups: group I untreated control, group II received 10 mL/kg of corn oil (solvent of benzo [a] pyrene) twice a week, group III received 1 mL/kg 0.5% dimethyl sulfoxide (DMSO) (solvent of catechin) once per day, group IV received 50 mg/kg body weight of benzo[a]pyrene twice a week, group V received 20 mg/kg body weight of catechin in 1 mL/kg 0.5% DMSO once daily, and group VI received both catechin+benzo [a] pyrene with the same doses. All treatment was given by oral gavage for four weeks. At the end of the experiment, blood samples were collected for biochemical investigations, tissues were obtained for genotoxicity, RT-PCR, and histopathological studies. B[a]P exposure induced an increase in serum urea and creatinine levels along with severe renal histopathological changes. Our results showed a subsequent decrease in the antioxidant enzyme activities (catalase and superoxide dismutase), and conversely, (malondialdehyde) levels markedly elevated. Also, B[a]P induced DNA damage as well as activated an apoptotic pathway confirmed by upregulation of Bax, caspase-3, and downregulation of Bcl-2 expression. However, treatment with catechin-corrected kidney functions and antioxidant enzymes as well as regulated apoptosis. Histological results also supported the protective effects of catechin. These findings suggested that catechin hydrate is an effective natural product that attenuates benzo pyrene-induced kidney toxicity.
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Affiliation(s)
- Samah A Khattab
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Wafaa F Hussien
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Nermin Raafat
- Department of Medical Biochemistry, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Eman Ahmed Alaa El-Din
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
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35
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Falconi CA, Junho CVDC, Fogaça-Ruiz F, Vernier ICS, da Cunha RS, Stinghen AEM, Carneiro-Ramos MS. Uremic Toxins: An Alarming Danger Concerning the Cardiovascular System. Front Physiol 2021; 12:686249. [PMID: 34054588 PMCID: PMC8160254 DOI: 10.3389/fphys.2021.686249] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 04/19/2021] [Indexed: 12/14/2022] Open
Abstract
The kidneys and heart share functions with the common goal of maintaining homeostasis. When kidney injury occurs, many compounds, the so-called "uremic retention solutes" or "uremic toxins," accumulate in the circulation targeting other tissues. The accumulation of uremic toxins such as p-cresyl sulfate, indoxyl sulfate and inorganic phosphate leads to a loss of a substantial number of body functions. Although the concept of uremic toxins is dated to the 1960s, the molecular mechanisms capable of leading to renal and cardiovascular injuries are not yet known. Besides, the greatest toxic effects appear to be induced by compounds that are difficult to remove by dialysis. Considering the close relationship between renal and cardiovascular functions, an understanding of the mechanisms involved in the production, clearance and overall impact of uremic toxins is extremely relevant for the understanding of pathologies of the cardiovascular system. Thus, the present study has as main focus to present an extensive review on the impact of uremic toxins in the cardiovascular system, bringing the state of the art on the subject as well as clinical implications related to patient's therapy affected by chronic kidney disease, which represents high mortality of patients with cardiac comorbidities.
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Affiliation(s)
- Carlos Alexandre Falconi
- Laboratory of Cardiovascular Immunology, Center of Natural and Human Sciences (CCNH), Federal University of ABC, Santo André, Brazil
| | - Carolina Victoria da Cruz Junho
- Laboratory of Cardiovascular Immunology, Center of Natural and Human Sciences (CCNH), Federal University of ABC, Santo André, Brazil
| | - Fernanda Fogaça-Ruiz
- Laboratory of Cardiovascular Immunology, Center of Natural and Human Sciences (CCNH), Federal University of ABC, Santo André, Brazil
| | - Imara Caridad Stable Vernier
- Laboratory of Cardiovascular Immunology, Center of Natural and Human Sciences (CCNH), Federal University of ABC, Santo André, Brazil
| | - Regiane Stafim da Cunha
- Experimental Nephrology Laboratory, Basic Pathology Department, Universidade Federal do Paraná, Curitiba, Brazil
| | | | - Marcela Sorelli Carneiro-Ramos
- Laboratory of Cardiovascular Immunology, Center of Natural and Human Sciences (CCNH), Federal University of ABC, Santo André, Brazil
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36
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Nolan LS, Mihi B, Agrawal P, Gong Q, Rimer JM, Bidani SS, Gale SE, Goree M, Hu E, Lanik WE, Huang E, Bando JK, Liu V, Lewis AN, Bustos A, Hodzic Z, Laury ML, Good M. Indole-3-Carbinol-Dependent Aryl Hydrocarbon Receptor Signaling Attenuates the Inflammatory Response in Experimental Necrotizing Enterocolitis. Immunohorizons 2021; 5:193-209. [PMID: 33906960 PMCID: PMC8173979 DOI: 10.4049/immunohorizons.2100018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 03/01/2021] [Indexed: 01/10/2023] Open
Abstract
Necrotizing enterocolitis (NEC) causes significant morbidity and mortality in premature infants; therefore, the identification of therapeutic and preventative strategies against NEC remains a high priority. The ligand-dependent transcription factor aryl hydrocarbon receptor (AhR) is well known to contribute to the regulation of intestinal microbial communities and amelioration of intestinal inflammation. However, the role of AhR signaling in NEC is unclear. Experimental NEC was induced in 4-d-old wild-type mice or mice lacking AhR expression in the intestinal epithelial cells or AhR expression in CD11c+ cells (AhRΔCD11c) by subjecting animals to twice daily hypoxic stress and gavage feeding with formula supplemented with LPS and enteric bacteria. During NEC, compared with wild-type mice treated with vehicle, littermates treated with an AhR proligand, indole-3-carbinol, had reduced expression of Il1b and Marco, a scavenger receptor that mediates dendritic cell activation and the recognition and clearance of bacterial pathogens by macrophages. Furthermore, indole-3-carbinol treatment led to the downregulation of genes involved in cytokine and chemokine, as revealed by pathway enrichment analysis. AhR expression in the intestinal epithelial cells and their cre-negative mouse littermates were similarly susceptible to experimental NEC, whereas AhRΔCD11c mice with NEC exhibited heightened inflammatory responses compared with their cre-negative mouse littermates. In seeking to determine the mechanisms involved in this increased inflammatory response, we identified the Tim-4- monocyte-dependent subset of macrophages as increased in AhRΔCD11c mice compared with their cre-negative littermates. Taken together, these findings demonstrate the potential for AhR ligands as a novel immunotherapeutic approach to the management of this devastating disease.
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Affiliation(s)
- Lila S Nolan
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Belgacem Mihi
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | | | - Qingqing Gong
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Jamie M Rimer
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Shay S Bidani
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Sarah E Gale
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Martin Goree
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Elise Hu
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Wyatt E Lanik
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Elizabeth Huang
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Jennifer K Bando
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
| | - Victoria Liu
- Washington University in St. Louis, St. Louis, MO
| | - Angela N Lewis
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO
| | - Aiza Bustos
- Washington University in St. Louis, St. Louis, MO
| | - Zerina Hodzic
- Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA; and
| | - Marie L Laury
- Genome Technology Access Center, McDonnell Genome Institute, Washington University School of Medicine, St. Louis, MO
| | - Misty Good
- Division of Newborn Medicine, Washington University School of Medicine, St. Louis, MO;
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The Participation of the Intrinsically Disordered Regions of the bHLH-PAS Transcription Factors in Disease Development. Int J Mol Sci 2021; 22:ijms22062868. [PMID: 33799876 PMCID: PMC8001110 DOI: 10.3390/ijms22062868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/05/2021] [Accepted: 03/07/2021] [Indexed: 12/14/2022] Open
Abstract
The basic helix–loop–helix/Per-ARNT-SIM (bHLH-PAS) proteins are a family of transcription factors regulating expression of a wide range of genes involved in different functions, ranging from differentiation and development control by oxygen and toxins sensing to circadian clock setting. In addition to the well-preserved DNA-binding bHLH and PAS domains, bHLH-PAS proteins contain long intrinsically disordered C-terminal regions, responsible for regulation of their activity. Our aim was to analyze the potential connection between disordered regions of the bHLH-PAS transcription factors, post-transcriptional modifications and liquid-liquid phase separation, in the context of disease-associated missense mutations. Highly flexible disordered regions, enriched in short motives which are more ordered, are responsible for a wide spectrum of interactions with transcriptional co-regulators. Based on our in silico analysis and taking into account the fact that the functions of transcription factors can be modulated by posttranslational modifications and spontaneous phase separation, we assume that the locations of missense mutations inducing disease states are clearly related to sequences directly undergoing these processes or to sequences responsible for their regulation.
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38
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Popescu RG, Bulgaru C, Untea A, Vlassa M, Filip M, Hermenean A, Marin D, Țăranu I, Georgescu SE, Dinischiotu A. The Effectiveness of Dietary Byproduct Antioxidants on Induced CYP Genes Expression and Histological Alteration in Piglets Liver and Kidney Fed with Aflatoxin B1 and Ochratoxin A. Toxins (Basel) 2021; 13:148. [PMID: 33671978 PMCID: PMC7919288 DOI: 10.3390/toxins13020148] [Citation(s) in RCA: 4] [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: 01/11/2021] [Revised: 02/12/2021] [Accepted: 02/13/2021] [Indexed: 02/07/2023] Open
Abstract
The purpose of this study was to investigate the potential of a byproduct mixture derived from grapeseed and sea buckthorn oil industry to mitigate the harmful damage produced by ochratoxin A and aflatoxin B1 at hepatic and renal level in piglets after weaning. Forty cross-bred TOPIGS-40 hybrid piglets after weaning were assigned to three experimental groups (E1, E2, E3) and one control group (C), and fed with experimental diets for 30 days. The basal diet was served as a control and contained normal compound feed for starter piglets without mycotoxins. The experimental groups were fed as follows: E1-basal diet plus a mixture (1:1) of two byproducts (grapeseed and sea buckthorn meal); E2-the basal diet experimentally contaminated with mycotoxins (479 ppb OTA and 62ppb AFB1); and E3-basal diet containing 5% of the mixture (1:1) of grapeseed and sea buckthorn meal and contaminated with the mix of OTA and AFB1. After 4 weeks, the animals were slaughtered, and tissue samples were taken from liver and kidney in order to perform gene expression and histological analysis. The gene expression analysis showed that when weaned piglets were fed with contaminated diet, the expression of most analyzed genes was downregulated. Among the CYP450 family, CYP1A2 was the gene with the highest downregulation. According to these results, in liver, we found that mycotoxins induced histomorphological alterations in liver and kidney and had an effect on the expression level of CYP1A2, CYP2A19, CYP2E1, and CYP3A29, but we did not detect important changes in the expression level of CY4A24, MRP2 and GSTA1 genes.
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Affiliation(s)
- Roua Gabriela Popescu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Splaiul Independentei No. 91–95, 050095 Bucharest, Romania; (R.G.P.); (A.D.)
| | - Cristina Bulgaru
- Laboratory of Animal Biology, National Institute for Research and Development for Biology and Animal Nutrition, Calea Bucuresti No. 1, Balotesti, 077015 Ilfov, Romania; (C.B.); (A.U.); (D.M.)
| | - Arabela Untea
- Laboratory of Animal Biology, National Institute for Research and Development for Biology and Animal Nutrition, Calea Bucuresti No. 1, Balotesti, 077015 Ilfov, Romania; (C.B.); (A.U.); (D.M.)
| | - Mihaela Vlassa
- Raluca Ripan Institute for Research in Chemistry, Babeş Bolyai University, 30 Fântânele Street, 400294 Cluj-Napoca, Romania; (M.V.); (M.F.)
| | - Miuta Filip
- Raluca Ripan Institute for Research in Chemistry, Babeş Bolyai University, 30 Fântânele Street, 400294 Cluj-Napoca, Romania; (M.V.); (M.F.)
| | - Anca Hermenean
- “Aurel Ardelean” Institute of Life Sciences, Vasile Godis Western University of Arad, Rebreanu 86, 310414 Arad, Romania;
| | - Daniela Marin
- Laboratory of Animal Biology, National Institute for Research and Development for Biology and Animal Nutrition, Calea Bucuresti No. 1, Balotesti, 077015 Ilfov, Romania; (C.B.); (A.U.); (D.M.)
| | - Ionelia Țăranu
- Laboratory of Animal Biology, National Institute for Research and Development for Biology and Animal Nutrition, Calea Bucuresti No. 1, Balotesti, 077015 Ilfov, Romania; (C.B.); (A.U.); (D.M.)
| | - Sergiu Emil Georgescu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Splaiul Independentei No. 91–95, 050095 Bucharest, Romania; (R.G.P.); (A.D.)
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Splaiul Independentei No. 91–95, 050095 Bucharest, Romania; (R.G.P.); (A.D.)
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Liu JR, Miao H, Deng DQ, Vaziri ND, Li P, Zhao YY. Gut microbiota-derived tryptophan metabolism mediates renal fibrosis by aryl hydrocarbon receptor signaling activation. Cell Mol Life Sci 2021; 78:909-922. [PMID: 32965514 PMCID: PMC11073292 DOI: 10.1007/s00018-020-03645-1] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 08/31/2020] [Accepted: 09/12/2020] [Indexed: 02/06/2023]
Abstract
The gut microbiota has a crucial effect on regulating the intestinal mucosal immunity and maintaining intestinal homeostasis both in health and in disease state. Many effects are mediated by gut microbiota-derived metabolites and tryptophan, an essential aromatic amino acid, is considered important among many metabolites in the crosstalk between gut microbiota and the host. Kynurenine, serotonin, and indole derivatives are derived from the three major tryptophan metabolism pathways modulated by gut microbiota directly or indirectly. Aryl hydrocarbon receptor (AHR) is a cytoplasmic ligand-activated transcription factor involved in multiple cellular processes. Tryptophan metabolites as ligands can activate AHR signaling in various diseases such as inflammation, oxidative stress injury, cancer, aging-related diseases, cardiovascular diseases (CVD), and chronic kidney diseases (CKD). Accumulated uremic toxins in the body fluids of CKD patients activate AHR and affect disease progression. In this review, we will elucidate the relationship between gut microbiota-derived uremic toxins by tryptophan metabolism and AHR activation in CKD and its complications. This review will provide therapeutic avenues for targeting CKD and concurrently present challenges and opportunities for designing new therapeutic strategies against renal fibrosis.
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Affiliation(s)
- Jing-Ru Liu
- Faculty of Life Science, & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, Shaanxi, China
| | - Hua Miao
- Faculty of Life Science, & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, Shaanxi, China
| | - De-Qiang Deng
- Department of Nephrology, Urumqi Chinese Medicine Hospital, No. 590 Fridenly South Road, Urumqi, 830000, Xinjiang Uygur Autonomous Region, China
| | - Nosratola D Vaziri
- Division of Nephrology and Hypertension, School of Medicine, University of California Irvine, Irvine, CA, 92897, USA
| | - Ping Li
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Department of Nephrology, Institute of Clinical Medical Science, China-Japan Friendship Hospital, Beijing, 100029, China.
| | - Ying-Yong Zhao
- Faculty of Life Science, & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, 710069, Shaanxi, China.
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Wang M, Hu HH, Chen YY, Chen L, Wu XQ, Zhao YY. Novel poricoic acids attenuate renal fibrosis through regulating redox signalling and aryl hydrocarbon receptor activation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 79:153323. [PMID: 32920287 DOI: 10.1016/j.phymed.2020.153323] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Renal fibrosis is the final manifestation of chronic kidney disease (CKD). Renal fibrosis is largely driven by oxidative stress and inflammation. PURPOSE The aim of the current study was to identify novel poricoic acids from Poria cocos and investigated their antifibrotic effects and the underlying mechanism. METHODS In this study, we identified six novel poricoic acids from Poria cocos and examined their antifibrotic effect using transforming growth factor-β1- (TGF-β1-) induced cultured human kidney proximal tubular epithelial cells (HK-2) and mice with unilateral ureteral obstruction (UUO). RESULTS Treatment with six poricoic acids significantly inhibited TGF-β1-induced α-smooth muscle actin expression at both mRNA and protein levels in HK-2 cells. Three compounds with an intact carboxyl group at C-3 position showed a stronger inhibitory effect than that of other three compounds with esterified carboxyl group at the C-3 position. Mechanistically, poricoic acid ZM (PZM) and poricoic acid ZP (PZP) attenuate renal fibrosis through the modulation of redox signalling including the inhibition of proinflammatory nuclear factor kappa B (NF-κB) signalling and its target genes as well as the activation of antioxidative nuclear factor-erythroid-2-related factor 2 (Nrf2) signalling and its downstream target gene in both TGF-β1-induced HK-2 cells and UUO mice. PZM treatment and PZP treatment inhibit the upregulated aryl hydrocarbon receptor and they target the gene expression in UUO mice. Intriguingly, PZM treatment exhibits a stronger inhibitory effect than that of the PZP treatment. Structure-function relationship reveals that the carboxyl group at C-3 position is the most important bioactive function group in secolanostane tetracyclic triterpenoids against renal fibrosis. CONCLUSIONS PZM and PZP attenuated renal fibrosis through the modulation of redox signalling and the aryl hydrocarbon receptor signalling pathway. Our findings will provide several promising leading compounds against renal fibrosis.
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Affiliation(s)
- Ming Wang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China
| | - He-He Hu
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China
| | - Yuan-Yuan Chen
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China
| | - Lin Chen
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China
| | - Xia-Qing Wu
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China
| | - Ying-Yong Zhao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an 710069, Shaanxi, China.
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Miao H, Wu XQ, Zhang DD, Wang YN, Guo Y, Li P, Xiong Q, Zhao YY. Deciphering the cellular mechanisms underlying fibrosis-associated diseases and therapeutic avenues. Pharmacol Res 2020; 163:105316. [PMID: 33248198 DOI: 10.1016/j.phrs.2020.105316] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 11/16/2020] [Accepted: 11/18/2020] [Indexed: 02/07/2023]
Abstract
Fibrosis is the excessive deposition of extracellular matrix components, which results in disruption of tissue architecture and loss of organ function. Fibrosis leads to high morbidity and mortality worldwide, mainly due to the lack of effective therapeutic strategies against fibrosis. It is generally accepted that fibrosis occurs during an aberrant wound healing process and shares a common pathogenesis across different organs such as the heart, liver, kidney, and lung. A better understanding of the fibrosis-related cellular and molecular mechanisms will be helpful for development of targeted drug therapies. Extensive studies revealed that numerous mediators contributed to fibrogenesis, suggesting that targeting these mediators may be an effective therapeutic strategy for antifibrosis. In this review, we describe a number of mediators involved in tissue fibrosis, including aryl hydrocarbon receptor, Yes-associated protein, cannabinoid receptors, angiopoietin-like protein 2, high mobility group box 1, angiotensin-converting enzyme 2, sphingosine 1-phosphate receptor-1, SH2 domain-containing phosphatase-2, and long non-coding RNAs, with the goal that drugs targeting these important mediators might exhibit a beneficial effect on antifibrosis. In addition, these mediators show profibrotic effects on multiple tissues, suggesting that targeting these mediators will exert antifibrotic effects on different organs. Furthermore, we present a variety of compounds that exhibit therapeutic effects against fibrosis. This review suggests therapeutic avenues for targeting organ fibrosis and concurrently identifies challenges and opportunities for designing new therapeutic strategies against fibrosis.
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Affiliation(s)
- Hua Miao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Xia-Qing Wu
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Dan-Dan Zhang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Yan-Ni Wang
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Yan Guo
- Department of Internal Medicine, University of New Mexico, 1700 Lomas Blvd NE, Albuquerque, 87131, USA
| | - Ping Li
- Beijing Key Lab for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, Department of Nephrology, China-Japan Friendship Hospital, Beijing, 100029, China.
| | - Qingping Xiong
- Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai'an, 223003, Jiangsu, China.
| | - Ying-Yong Zhao
- Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China.
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Puccetti M, Xiroudaki S, Ricci M, Giovagnoli S. Postbiotic-Enabled Targeting of the Host-Microbiota-Pathogen Interface: Hints of Antibiotic Decline? Pharmaceutics 2020; 12:E624. [PMID: 32635461 PMCID: PMC7408102 DOI: 10.3390/pharmaceutics12070624] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/24/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023] Open
Abstract
Mismanagement of bacterial infection therapies has undermined the reliability and efficacy of antibiotic treatments, producing a profound crisis of the antibiotic drug market. It is by now clear that tackling deadly infections demands novel strategies not only based on the mere toxicity of anti-infective compounds. Host-directed therapies have been the first example as novel treatments with alternate success. Nevertheless, recent advances in the human microbiome research have provided evidence that compounds produced by the microbial metabolism, namely postbiotics, can have significant impact on human health. Such compounds target the host-microbe-pathogen interface rescuing biotic and immune unbalances as well as inflammation, thus providing novel therapeutic opportunities. This work discusses critically, through literature review and personal contributions, these novel nonantibiotic treatment strategies for infectious disease management and resistance prevention, which could represent a paradigm change rocking the foundation of current antibiotic therapy tenets.
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Affiliation(s)
| | | | | | - Stefano Giovagnoli
- Department of Pharmaceutical Sciences, via del Liceo 1, University of Perugia, 06123 Perugia, Italy; (M.P.); (S.X.); (M.R.)
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Miao H, Cao G, Wu XQ, Chen YY, Chen DQ, Chen L, Vaziri ND, Feng YL, Su W, Gao Y, Zhuang S, Yu XY, Zhang L, Guo Y, Zhao YY. Identification of endogenous 1-aminopyrene as a novel mediator of progressive chronic kidney disease via aryl hydrocarbon receptor activation. Br J Pharmacol 2020; 177:3415-3435. [PMID: 32219844 DOI: 10.1111/bph.15062] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 02/28/2020] [Accepted: 03/21/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND PURPOSE Increasing evidence has indicated that the high risk of cardiovascular disease in chronic kidney disease (CKD) patients cannot be sufficiently explained by classic risk factors. EXPERIMENTAL APPROACH Based on the least absolute shrinkage and selection operator method, we identified significantly altered renal tissue metabolites during progressive CKD in a 5/6 nephrectomized rat model and in CKD patients. KEY RESULTS Six aryl-containing metabolites (ACMs) were significantly increased from Week 1 to Week 20. They were associated with the activation of aryl hydrocarbon receptor (AhR) and its target genes including CYP1A1, CYP1A2 and CYP1B1, which were further validated by molecular docking. Our study further demonstrated that AhR signalling could be activated by ACM in patients with idiopathic membranous nephropathy, diabetic nephropathy and IgA nephropathy. Most importantly, 1-aminopyrene (AP) showed strong positive and negative correlation with serum creatinine and creatinine clearance, respectively. AP significantly up-regulated the mRNA expressions of AhR and its three target genes in both mice and NRK-52E cells, while this effect was partially weakened in AhR small hairpin RNA-treated mice and NRK-52E cells. Furthermore, dietary flavonoid supplementation ameliorated CKD and renal fibrosis through partially inhibiting the AhR activity via lowering the ACM levels. The antagonistic effect of flavonoids on AhR was deeply influenced by the number and location of hydroxyl and glycosyl groups. CONCLUSION AND IMPLICATIONS We uncovered that endogenous AP is a novel mediator of CKD progression via AhR activation; thus, AhR might serve as a promising target for CKD treatment.
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Affiliation(s)
- Hua Miao
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Gang Cao
- School of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Xia-Qing Wu
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Yuan-Yuan Chen
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Dan-Qian Chen
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Lin Chen
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Nosratola D Vaziri
- Division of Nephrology and Hypertension, School of Medicine, University of California Irvine, Irvine, California, USA
| | - Ya-Long Feng
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
| | - Wei Su
- Department of Nephrology, Baoji Central Hospital, Baoji, Shaanxi, China
| | - Yi Gao
- Department of Nephrology, The Affiliated Hospital of Northwest University, Xi'an, Shaanxi, China
| | - Shougang Zhuang
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, Rhode Island, USA
| | - Xiao-Yong Yu
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi, China
| | - Li Zhang
- Department of Nephrology, Xi'an No. 4 Hospital, Xi'an, Shaanxi, China
| | - Yan Guo
- Department of Internal Medicine, University of New Mexico, Albuquerque, New Mexico, USA
| | - Ying-Yong Zhao
- Faculty of Life Science & Medicine, Northwest University, Xi'an, Shaanxi, China
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Goya-Jorge E, Abdmouleh F, Carpio LE, Giner RM, Sylla-Iyarreta Veitía M. Discovery of 2-aryl and 2-pyridinylbenzothiazoles endowed with antimicrobial and aryl hydrocarbon receptor agonistic activities. Eur J Pharm Sci 2020; 151:105386. [PMID: 32470576 PMCID: PMC7251408 DOI: 10.1016/j.ejps.2020.105386] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 12/19/2022]
Abstract
Benzothiazole is a privileged scaffold in medicinal chemistry present in diverse bioactive compounds with multiple pharmacological applications such as analgesic, anticonvulsant, antidiabetic, anti-inflammatory, anticancer and radioactive amyloidal imagining agents. We reported in this work the study of sixteen functionalized 2-aryl and 2-pyridinylbenzothiazoles as antimicrobial agents and as aryl hydrocarbon receptor (AhR) modulators. The antimicrobial activity against Gram-positive (S. aureus and M. luteus) and Gram-negative (P. aeruginosa, S. enterica and E. coli) pathogens yielded MIC ranging from 3.13 to 50 μg/mL and against the yeast C. albicans, the benzothiazoles displayed MIC from 12.5 to 100 μg/mL. All compounds showed promising antibiofilm activity against S. aureus and P. aeruginosa. The arylbenzothiazole 12 displayed the greatest biofilm eradication in S. aureus (74%) subsequently verified by fluorescence microscopy. The ability of benzothiazoles to modulate AhR expression was evaluated in a cell-based reporter gene assay. Six benzothiazoles (7, 8-10, 12, 13) induced a significant AhR-mediated transcription and interestingly compound 12 was also the strongest AhR-agonist identified. Structure-activity relationships are suggested herein for the AhR-agonism and antibiofilm activities. Furthermore, in silico predictions revealed a good ADMET profile and druglikeness for the arylbenzothiazole 12 as well as binding similarities to AhR compared with the endogenous agonist FICZ.
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Affiliation(s)
- Elizabeth Goya-Jorge
- Departament de Farmacologia, Facultat de Farmàcia, Universitat de València. Av. Vicente Andrés Estellés, s/n, 46100 Burjassot, Valencia, Spain; ProtoQSAR SL. CEEI (Centro Europeo de Empresas Innovadoras), Parque Tecnológico de Valencia, Av. Benjamin Franklin 12, 46980 Paterna, Valencia, Spain
| | - Fatma Abdmouleh
- Equipe de Chimie Moléculaire du Laboratoire Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Conservatoire National des Arts et Métiers (Cnam), 2 rue Conté, 75003, HESAM Université, Paris, France.; Laboratoire de Biotechnologie Microbienne et d'Ingénierie des Enzymes (LBMIE). Centre de Biotechnologie de Sfax, Université de Sfax, Route de Sidi Mansour Km 6, BP 1177, 3018, Sfax, Tunisie
| | - Laureano E Carpio
- ProtoQSAR SL. CEEI (Centro Europeo de Empresas Innovadoras), Parque Tecnológico de Valencia, Av. Benjamin Franklin 12, 46980 Paterna, Valencia, Spain
| | - Rosa M Giner
- Departament de Farmacologia, Facultat de Farmàcia, Universitat de València. Av. Vicente Andrés Estellés, s/n, 46100 Burjassot, Valencia, Spain
| | - Maité Sylla-Iyarreta Veitía
- Equipe de Chimie Moléculaire du Laboratoire Génomique, Bioinformatique et Chimie Moléculaire (EA 7528), Conservatoire National des Arts et Métiers (Cnam), 2 rue Conté, 75003, HESAM Université, Paris, France..
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Itkin B, Breen A, Turyanska L, Sandes EO, Bradshaw TD, Loaiza-Perez AI. New Treatments in Renal Cancer: The AhR Ligands. Int J Mol Sci 2020; 21:E3551. [PMID: 32443455 PMCID: PMC7279047 DOI: 10.3390/ijms21103551] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/30/2020] [Accepted: 05/05/2020] [Indexed: 12/27/2022] Open
Abstract
Kidney cancer rapidly acquires resistance to antiangiogenic agents, such as sunitinib, developing an aggressive migratory phenotype (facilitated by c-Metsignal transduction). The Aryl hydrocarbon receptor (AhR) has recently been postulated as a molecular target for cancer treatment. Currently, there are two antitumor agent AhR ligands, with activity against renal cancer, that have been tested clinically: aminoflavone (AFP 464, NSC710464) and the benzothiazole (5F 203) prodrug Phortress. Our studies investigated the action of AFP 464, the aminoflavone pro-drug currently used in clinical trials, and 5F 203 on renal cancer cells, specifically examining their effects on cell cycle progression, apoptosis and cell migration. Both compounds caused cell cycle arrest and apoptosis but only 5F 203 potently inhibited the migration of TK-10, Caki-1 and SN12C cells as well as the migration signal transduction cascade, involving c-Met signaling, in TK-10 cells. Current investigations are focused on the development of nano-delivery vehicles, apoferritin-encapsulated benzothiazoles 5F 203 and GW610, for the treatment of renal cancer. These compounds have shown improved antitumor effects against TK-10 cells in vitro at lower concentrations compared with a naked agent.
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Affiliation(s)
- Boris Itkin
- Department of Oncology, Hospital General de Agudos Juan Fernandez, C1425 CABA Buenos Aires, Argentina;
| | - Alastair Breen
- School of Pharmacy, Centre for Biomolecular Sciences, The University of Nottingham, University Park, Nottingham NG72RD, Nottinghamshire, UK; (A.B.); (T.D.B.)
| | - Lyudmila Turyanska
- Faculty of Engineering, University of Nottingham, University Park, Nottingham NG72RD, Nottinghamshire, UK;
| | - Eduardo Omar Sandes
- Facultad de Medicina, Instituto de Oncología Ángel H. Roffo (IOAHR), Universidad de Buenos Aires, Área Investigación, Av. San Martin 5481, C1417 DTB Buenos Aires, Argentina;
| | - Tracey D. Bradshaw
- School of Pharmacy, Centre for Biomolecular Sciences, The University of Nottingham, University Park, Nottingham NG72RD, Nottinghamshire, UK; (A.B.); (T.D.B.)
| | - Andrea Irene Loaiza-Perez
- Facultad de Medicina, Instituto de Oncología Ángel H. Roffo (IOAHR), Universidad de Buenos Aires, Área Investigación, Av. San Martin 5481, C1417 DTB Buenos Aires, Argentina;
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Kanemitsu Y, Mishima E, Maekawa M, Matsumoto Y, Saigusa D, Yamaguchi H, Ogura J, Tsukamoto H, Tomioka Y, Abe T, Mano N. Comprehensive and semi-quantitative analysis of carboxyl-containing metabolites related to gut microbiota on chronic kidney disease using 2-picolylamine isotopic labeling LC-MS/MS. Sci Rep 2019; 9:19075. [PMID: 31836785 PMCID: PMC6910927 DOI: 10.1038/s41598-019-55600-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 12/02/2019] [Indexed: 01/07/2023] Open
Abstract
Carboxyl-containing metabolites, such as bile acids and fatty acids, have many important functions and microbiota is involved in the production of them. In the previous study, we found that the chronic kidney disease (CKD) model mice raised under germ-free conditions provided more severe renal damage than the mice with commensal microbiota. However, the precise influence by the microbiome and carboxyl-containing metabolites to the renal functions is unknown. In this study, we aimed to develop a novel chemical isotope labeling-LC-MS/MS method using the 2-picolylamine and its isotopologue and applied the analysis of effects of microbiome and CKD pathophysiology. The developed semi-quantitative method provided the high accuracy not inferior to the absolute quantification. By comparing of four groups of mice, we found that both microbiota and renal function can alter the composition and level of these metabolites in both plasma and intestine. In particular, the intestinal level of indole-3-acetic acid, short-chain fatty acids and n-3 type of polyunsaturated fatty acid, which play important roles in the endothelial barrier function, were significantly lower in germ-free conditions mice with renal failure. Accordingly, it is suggested these metabolites might have a renoprotective effect on CKD by suppressing epithelial barrier disruption.
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Affiliation(s)
- Yoshitomi Kanemitsu
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
| | - Eikan Mishima
- Department of Clinical Biology and Hormonal Regulation and Division of Nephrology, Endocrinology, and Vascular Medicine, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Masamitsu Maekawa
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan.
| | - Yotaro Matsumoto
- Laboratory of Oncology, Pharmacy Practice and Sciences, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Daisuke Saigusa
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
| | - Hiroaki Yamaguchi
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
| | - Jiro Ogura
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
| | - Hiroki Tsukamoto
- Laboratory of Oncology, Pharmacy Practice and Sciences, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Yoshihisa Tomioka
- Laboratory of Oncology, Pharmacy Practice and Sciences, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Takaaki Abe
- Department of Clinical Biology and Hormonal Regulation and Division of Nephrology, Endocrinology, and Vascular Medicine, Graduate School of Medicine, Tohoku University, Sendai, Japan
- Department of Medical Science, Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan
| | - Nariyasu Mano
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan
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