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Zoroddu S, Di Lorenzo B, Paliogiannis P, Mangoni AA, Carru C, Zinellu A. The association between bilirubin concentrations and inflammatory bowel disease: Insights from a systematic review and meta-analysis. Eur J Clin Invest 2024:e14281. [PMID: 38970234 DOI: 10.1111/eci.14281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/31/2024] [Accepted: 06/25/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), poses a significant challenge to health care systems because of its chronic nature and increasing global prevalence. Effective management of IBD requires accurate diagnostic tools and biomarkers. This systematic review and meta-analysis aimed to evaluate the relationship between bilirubin concentrations and IBD activity and outcomes. METHODS A comprehensive search of electronic databases identified 11 studies that included 2606 subjects with IBD and 3607 healthy controls. RESULTS Bilirubin concentrations were significantly lower in subjects with IBD when compared to controls (SMD = -0.96, 95% CI -1.21 to -0.70; p < .001). Although substantial heterogeneity was observed, sensitivity analysis confirmed the robustness of the results. Publication bias was detected, but subgroup analyses did not significantly alter the results. Meta-regression showed that age was a significant factor influencing the association between bilirubin concentrations and IBD. Subgroup analyses showed a more pronounced reduction in bilirubin concentrations in subjects with CD than those with UC. CONCLUSION This study supports the potential utility of bilirubin as a biomarker in IBD, emphasizing the need for further research to validate its clinical significance.
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Affiliation(s)
- Stefano Zoroddu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Biagio Di Lorenzo
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Panagiotis Paliogiannis
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Sassari, Italy
- Anatomic Pathology and Histology Unit, University Hospital (AOU) of Sassari, Sassari, Italy
| | - Arduino A Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia
- Department of Clinical Pharmacology, Flinders Medical Centre, Southern Adelaide Local Health Network, Bedford Park, South Australia, Australia
| | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
- Medical Oncology Unit, University Hospital (AOU) of Sassari, Sassari, Italy
| | - Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
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2
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Janampalli M, Kitchen ST, Vatolin S, Tang N, He M, Bearer CF. Choline supplementation mitigates effects of bilirubin in cerebellar granule neurons in vitro. Pediatr Res 2024; 96:97-103. [PMID: 38172213 DOI: 10.1038/s41390-023-02968-6] [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: 09/12/2022] [Revised: 11/13/2023] [Accepted: 11/26/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Premature infants may suffer from high levels of bilirubin that could lead to neurotoxicity. Bilirubin has been shown to decrease L1-mediated ERK1/2 signaling, L1 phosphorylation, and L1 tyrosine 1176 dephosphorylation. Furthermore, bilirubin redistributes L1 into lipid rafts (LR) and decreases L1-mediated neurite outgrowth. We demonstrate that choline supplementation improves L1 function and signaling in the presence of bilirubin. METHODS Cerebellar granule neurons (CGN) were cultured with and without supplemental choline, and the effects on L1 signaling and function were measured in the presence of bilirubin. L1 activation of ERK1/2, L1 phosphorylation and dephosphorylation were measured. L1 distribution in LR was quantified and neurite outgrowth of CGN was determined. RESULTS Forty µM choline significantly reduced the effect of bilirubin on L1 activation of ERK1/2 by 220% (p = 0.04), and increased L1 triggered changes in tyrosine phosphorylation /dephosphorylation of L1 by 34% (p = 0.026) and 35% (p = 0.02) respectively. Choline ameliorated the redistribution of L1 in lipid rafts by 38% (p = 0.02) and increased L1-mediated mean neurite length by 11% (p = 0.04). CONCLUSION Choline pretreatment of CGN significantly reduced the disruption of L1 function by bilirubin. The supplementation of pregnant women and preterm infants with choline may increase infant resilience to the effects of bilirubin. IMPACT This article establishes choline as an intervention for the neurotoxic effects of bilirubin on lipid rafts. This article provides clear evidence toward establishing one intervention for bilirubin neurotoxicity, where little is understood. This article paves the way for future investigation into the mechanism of the ameliorative effect of choline on bilirubin neurotoxicity.
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Affiliation(s)
- Mrinaj Janampalli
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Spencer T Kitchen
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Sergei Vatolin
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Ningfeng Tang
- Department of Orthopedics, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Min He
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21218, USA
| | - Cynthia F Bearer
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA.
- Division of Neonatology, Department of Pediatrics, UH Rainbow Babies & Children's Hospital, Cleveland, OH, 44106, USA.
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3
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Wang Y, Yin L, Du YY, Liao HM, Li J, Yao W, Yuan XQ, Guo QC, Deng TR, Guo N, Zhang M, Zeng Q, Liu C, Li YF. Associations between exposure to phthalates and liver function among women undergoing assisted reproductive technology. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104463. [PMID: 38734395 DOI: 10.1016/j.etap.2024.104463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/28/2024] [Accepted: 05/04/2024] [Indexed: 05/13/2024]
Abstract
Phthalates can induce hepatotoxicity in animal studies. We aimed to assess the associations of individual and mixture of urinary phthalate metabolites with serum liver function indicators among 764 women undergoing assisted reproductive technology (ART). In linear models, we observed inverse correlations between urinary mono-benzyl phthalate and serum total protein (TP) as well as globulin (β=-0.27 and -0.23, respectively, P<0.05). Additionally, negative associations were identified between mono-isobutyl phthalate and mono-butyl phthalate (MBP) and aspartate aminotransferase-to-alanine transaminase ratio (AST/ALT) (P<0.05). MBP and the sum of all phthalate metabolites (∑all.phth.m) were positively associated with bilirubin, with β ranging from 0.14 to 0.47. Most phthalate metabolites were also positively related to gamma-glutamyl transferase (GGT) (all P<0.05). In Bayesian kernel machine regression models, phthalate mixture was positively associated with bilirubin and GGT, whereas inversely associated with AST/ALT and TP. Our results suggest that phthalate exposure may impair liver function among women undergoing ART.
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Affiliation(s)
- Yi Wang
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Li Yin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yao-Yao Du
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Hong-Mei Liao
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Juan Li
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wen Yao
- General Hospital of Central Theater Command, Wuhan, Hubei, PR China
| | - Xiao-Qiong Yuan
- The Reproductive Center, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, PR China
| | - Qing-Chun Guo
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Tao-Ran Deng
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Na Guo
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Min Zhang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Qiang Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chong Liu
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
| | - Yu-Feng Li
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
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4
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Zhou W, Cui Y, Chen M, Gao Q, Bao K, Wang Y, Zhang M. Production of bilirubin via whole-cell transformation utilizing recombinant Corynebacterium glutamicum expressing a β-glucuronidase from Staphylococcus sp. RLH1. Biotechnol Lett 2024; 46:223-233. [PMID: 38310624 DOI: 10.1007/s10529-024-03468-1] [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: 10/17/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 02/06/2024]
Abstract
Bilirubin, a key active ingredient of bezoars with extensive clinical applications in China, is produced through a chemical process. However, this method suffers from inefficiency and adverse environmental impacts. To address this challenge, we present a novel and efficient approach for bilirubin production via whole-cell transformation. In this study, we employed Corynebacterium glutamicum ATCC13032 to express a β-glucuronidase (StGUS), an enzyme from Staphylococcus sp. RLH1 that effectively hydrolyzes conjugated bilirubin to bilirubin. Following the optimization of the biotransformation conditions, a remarkable conversion rate of 79.7% in the generation of bilirubin was obtained at temperate 40 °C, pH 7.0, 1 mM Mg2+ and 6 mM antioxidant NaHSO3 after 12 h. These findings hold significant potential for establishing an industrially viable platform for large-scale bilirubin production.
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Affiliation(s)
- Wei Zhou
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China.
- Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230601, Anhui, China.
| | - Yanan Cui
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230601, Anhui, China
| | - Mengyun Chen
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230601, Anhui, China
| | - Qijun Gao
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
| | - Kai Bao
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
| | - Yongzhong Wang
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230601, Anhui, China
| | - Min Zhang
- School of Life Sciences, Anhui University, Hefei, 230601, Anhui, China
- Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, 230601, Anhui, China
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5
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R R, Sangameshwar A, Tan YY, Teh Kim Jun K, Tham TY, Cheah Chang Chuen M. Approach to Abnormal Liver Biochemistries in the Primary Care Setting. Cureus 2024; 16:e56541. [PMID: 38646392 PMCID: PMC11026984 DOI: 10.7759/cureus.56541] [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] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
Liver biochemistries are commonly ordered in the primary care setting, and they may return abnormal even in an asymptomatic patient. Primary care physicians need to have a systematic way of interpreting any derangement in these tests so that further investigations, referrals, and management can be arranged appropriately. This review dwells into patterns of liver biochemistry derangement, common aetiologies to consider, history and examinations that are required, initial investigations to order, and when to refer urgently to the emergency department.
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Affiliation(s)
- Rajesh R
- Gastroenterology and Hepatology, Singapore General Hospital, Singapore, SGP
| | | | - Yi Yuan Tan
- Gastroenterology and Hepatology, Singapore General Hospital, Singapore, SGP
| | - Kevin Teh Kim Jun
- Gastroenterology and Hepatology, Singapore General Hospital, Singapore, SGP
| | - Tat Yean Tham
- Family Medicine, Frontier Healthcare, Singapore, SGP
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Han H, Yu Q, Qin N, Song B, Meng Y, Feng Z, Li Z, Chen L. Non-linear associations of circulating total bilirubin concentration with the risk of nonalcoholic fatty liver disease and all-cause mortality. Ann Hepatol 2024; 29:101177. [PMID: 37924867 DOI: 10.1016/j.aohep.2023.101177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 09/27/2023] [Accepted: 10/03/2023] [Indexed: 11/06/2023]
Abstract
INTRODUCTION AND OBJECTIVES Accumulating evidence has supported that mild elevated total bilirubin exerts antioxidant and anti-inflammatory properties in multiple metabolic diseases. We aimed to explore the association of circulating total bilirubin concentration with non-alcoholic fatty liver disease (NAFLD) risk and all-cause mortality and examine the potential nonlinear relationships between them. MATERIAL AND METHODS We used nationally representative data from the National Health and Nutrition Examination Survey (NHANES). NAFLD was assessed using the fatty liver index (FLI) and United States fatty liver index (USFLI), respectively. RESULTS A total of 35 912 and 17 329 participants were included in FLI-NAFLD (case with NAFLD was diagnosed by FLI) and USFLI-NAFLD (case with NAFLD was diagnosed by USFLI) groups, respectively. The mean age of total population was 46.25 years, and 48.51% were male. Compared to participants with lowest quintile of total bilirubin concentration, those with highest quintile had lower risk of NAFLD in both FLI-NAFLD (OR: 0.48, 95% CI: 0.40, 0.59) and USFLI-NAFLD (OR: 0.55, 95% CI: 0.43, 0.70) groups. Compared to participants with lowest quintile of total bilirubin concentration, the association between total bilirubin concentration and all-cause mortality was not significant among those with highest quintile of total bilirubin concentration (HR: 0.89, 95% CI: 0.66, 1.20). The restricted spline curves showed the nonlinear U-shaped association of total bilirubin concentration with NAFLD risk and all-cause mortality. The segmented linear regression analysis showed negative associations between total bilirubin concentration and risk of NAFLD in both FLI-NAFLD (OR: 0.94, 95% CI: 0.93, 0.95) and USFLI-NAFLD (OR: 0.95, 95% CI: 0.93, 0.96) groups when total bilirubin concentration was below the turning point (FLI-NAFLD: 18.81 μmol/L; USFLI-NAFLD: 15.39 μmol/L) and these associations were not significant when total bilirubin concentration was higher than the turning point. Furthermore, all-cause mortality decreased (OR: 0.97, 95%CI: 0.95, 1.00) with increased total bilirubin concentration up to the turning point (11.97 μmol/L), and then all-cause mortality increased with increasing total bilirubin concentration (OR: 1.03, 95%CI: 1.02, 1.04). CONCLUSIONS We found that higher circulating total bilirubin concentration within the physiological range was associated with decreased risk of NAFLD and all-cause mortality among NAFLD patients.
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Affiliation(s)
- Hui Han
- Department of Health, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Qingtao Yu
- Department of Internal Medicine, The People's Hospital of Huaiyin, Jinan 250021, China
| | - Nina Qin
- Department of Nutrition, Qilu Hospital of Shandong University, Jinan, China
| | - Bin Song
- Department of Out-patient, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yan Meng
- Department of Nutrition, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zuojing Feng
- Department of Nutrition, Qilu Hospital of Shandong University, Jinan, China
| | - Zhaoping Li
- Department of Nutrition, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Liyong Chen
- Department of Health, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; Department of Nutrition, Qilu Hospital of Shandong University, Jinan, China.
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7
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Yu H, Ma J, Chen D, Gao Y, Li G, An T. Associations between inhalation of typical volatile and semi-volatile organic compounds in e-waste dismantling workers with liver function damage. JOURNAL OF HAZARDOUS MATERIALS 2024; 464:133004. [PMID: 37984141 DOI: 10.1016/j.jhazmat.2023.133004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/01/2023] [Accepted: 11/12/2023] [Indexed: 11/22/2023]
Abstract
Studies in cell culture and animal models suggest hepatotoxicity of some volatile organic compounds (VOCs) and semi-volatile organic compounds (SVOCs), however, their effects in human populations under real exposure conditions have never been clarified. In this cross-sectional study, 224 participants, 38 e-waste dismantling workers and 186 subjects residing near to the dismantling sites in southern China, were evaluated for personal inhalational exposure to 72 VOCs and 91 SVOCs according to site-specific atmospheric chemical concentrations and personal exposure time. Additionally, their serum samples were subjected to liver function tests (LFTs), including total protein (TP), albumin (ALB), globulin (GLB), aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyl transpeptidase (GGT), and bilirubin. Linear regression analysis of the VOC/SVOC levels against the LFTs results indicated that VOC exposure was negatively associated with the TP, ALB, GLB levels (indicating liver-specific protein synthesis functions), while positively associated with AST, ALT, GGT activities (marking liver damage). Somehow, SVOC exposure appeared to be positively associated with not only AST and ALT but also TP and ALB. These findings were supported by the quantile g-computation analysis and confirmed in the Bayesian kernel machine regression model. This study indicates that simultaneous inhalation of VOCs and SVOCs may impair human liver functions.
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Affiliation(s)
- Hang Yu
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Jiaying Ma
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Dongming Chen
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yanpeng Gao
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Guiying Li
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Taicheng An
- Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China.
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8
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Zhang J, Zhou P, Hu S, Cai S, He T. Causal inference between serum bilirubin levels and juvenile idiopathic arthritis-associated uveitis: A bidirectional Mendelian randomization study. Health Sci Rep 2024; 7:e1847. [PMID: 38313187 PMCID: PMC10835017 DOI: 10.1002/hsr2.1847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/21/2023] [Accepted: 01/05/2024] [Indexed: 02/06/2024] Open
Abstract
Background Several observational studies have suggested an association between low serum bilirubin levels and Behçet's disease uveitis. However, the causal inference between bilirubin level and juvenile idiopathic arthritis-associated uveitis (JIAU) remains ambiguous. We investigated the potential causal relationship between serum bilirubin levels and JIAU using a bidirectional two-sample Mendelian randomization (MR) framework. Methods We systemically integrated summary-level data from published large-scale genome-wide association studies on bilirubin level and JIAU in a Caucasian British population. To determine the causal effect of bilirubin level on JIAU, we constructed strong instrumental variables using 47 and 80 single-nucleotide polymorphisms (SNPs) specific to direct bilirubin and total bilirubin levels, respectively. For reverse causal inference, seven SNPs associated with JIAU were included in our study. Multiple complementary methods were further performed to evaluate the robustness of MR estimates. Results The inverse-variance weighted estimate did not show any significant causal associations of genetically predicted serum direct or total bilirubin level with the risk of JIAU (odds ratio [OR]: 1.010, 95% confidence interval [CI]: 0.750-1.359, p = 0.947; OR: 0.867, 95% CI: 0.688-1.093; p = 0.227, respectively). MR-Egger and weighted median methods also obtained similar associations. Additionally, the results of reverse MR analyses using JIAU as exposure showed no associations of genetically predicted risk of JIAU with serum bilirubin levels (p > 0.05). In sensitivity analysis, the causal estimate between serum bilirubin levels and JIAU did not differ when SNPs associated with possible confounders were omitted. Conclusion Genetic evidence from our bidirectional analysis did not support a causal association between serum bilirubin levels and JIAU risk in the Caucasian British population. Future large-scale studies should be conducted to validate these findings and explore any causal effects on the disease process.
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Affiliation(s)
- Jun Zhang
- Department of Ophthalmology Renmin Hospital of Wuhan University Wuhan Hubei China
| | - Peng Zhou
- College of Architecture Changsha University of Science and Technology Changsha Hunan China
| | - Shuqiong Hu
- Wuhan Aier Eye Hospital of Wuhan University Wuhan Hubei China
| | - Shiya Cai
- Department of Ophthalmology, The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
| | - Tao He
- Department of Ophthalmology Renmin Hospital of Wuhan University Wuhan Hubei China
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9
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Mujawar T, Sevelda P, Madea D, Klán P, Švenda J. A Platform for the Synthesis of Oxidation Products of Bilirubin. J Am Chem Soc 2024; 146:1603-1611. [PMID: 38165253 PMCID: PMC10797625 DOI: 10.1021/jacs.3c11778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 01/03/2024]
Abstract
Bilirubin is the principal product of heme catabolism. High concentrations of the pigment are neurotoxic, yet slightly elevated levels are beneficial. Being a potent antioxidant, oxidative transformations of bilirubin occur in vivo and lead to various oxidized fragments. The mechanisms of their formation, intrinsic biological activities, and potential roles in human pathophysiology are poorly understood. Degradation methods have been used to obtain samples of bilirubin oxidation products for research. Here, we report a complementary, fully synthetic method of preparation. Our strategy leverages repeating substitution patterns in the parent tetracyclic pigment. Functionalized ready-to-couple γ-lactone, γ-lactam, and pyrrole monocyclic building blocks were designed and efficiently synthesized. Subsequent modular combinations, supported by metal-catalyzed borylation and cross-coupling chemistries, translated into the concise assembly of the structurally diverse bilirubin oxidation products (BOXes, propentdyopents, and biopyrrins). The discovery of a new photoisomer of biopyrrin A named lumipyrrin is reported. Synthetic bilirubin oxidation products made available in sufficient purity and quantity will support future in vitro and in vivo investigations.
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Affiliation(s)
- Taufiqueahmed Mujawar
- Department
of Chemistry, Faculty of Science, Masaryk
University, Kamenice 5, Brno 625 00, Czech Republic
| | - Petr Sevelda
- Department
of Chemistry, Faculty of Science, Masaryk
University, Kamenice 5, Brno 625 00, Czech Republic
| | - Dominik Madea
- Department
of Chemistry, Faculty of Science, Masaryk
University, Kamenice 5, Brno 625 00, Czech Republic
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 5, Brno 625 00, Czech Republic
| | - Petr Klán
- Department
of Chemistry, Faculty of Science, Masaryk
University, Kamenice 5, Brno 625 00, Czech Republic
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 5, Brno 625 00, Czech Republic
| | - Jakub Švenda
- Department
of Chemistry, Faculty of Science, Masaryk
University, Kamenice 5, Brno 625 00, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, Pekařská 53, Brno 656 91, Czech Republic
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10
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Chen JH, Zhang LW, Lin ZJ, Chen XF, Chen LC, Wang CX, Lin KY, Guo YS. The Association Between the Albumin-Bilirubin Score and Contrast-Associated Acute Kidney Injury in Patients Undergoing Elective Percutaneous Coronary Intervention. Angiology 2024:33197241228051. [PMID: 38227840 DOI: 10.1177/00033197241228051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
The albumin-bilirubin (ALBI) score is considered an effective and convenient scoring system for assessing liver function. We hypothesized that the ALBI score was predictive of contrast-associated acute kidney injury (CA-AKI) and long-term mortality in patients undergoing elective percutaneous coronary intervention (PCI). We retrospectively observed 5629 patients undergoing elective PCI. Contrast-associated acute kidney injury is defined as a 50% or 0.3 mg/dl increase in baseline serum creatinine levels within 48 h of contrast exposure. The incidence of CA-AKI was 6.2% (n = 350). After adjusting for potential confounding factors, multivariate analysis showed that the ALBI score was an independent predictor of CA-AKI (P = .002). A restricted cubic spline analysis confirmed approximately linear relationships between the ALBI score and risks of CA-AKI. Furthermore, at a median follow-up of 2.8 years, multivariate Cox regression analysis indicated that the ALBI score was an independent risk factor for long-term mortality (P < .001). The ALBI score was closely related to the occurrence of CA-AKI and long-term mortality in patients who underwent elective PCI. This score might be useful for risk stratification in high-risk patient groups to predict CA-AKI.
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Affiliation(s)
- Jun-Han Chen
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Li-Wei Zhang
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Zhi-Jie Lin
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Xiao-Fang Chen
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Li-Chuan Chen
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Chang-Xi Wang
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Kai-Yang Lin
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
| | - Yan-Song Guo
- Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Center for Geriatrics, Fujian Provincial Clinical Research Center for Severe Acute Cardiovascular Diseases, Fuzhou, China
- Fujian Heart Failure Center Alliance, Fuzhou, China
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11
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Jayanti S, Vitek L, Verde CD, Llido JP, Sukowati C, Tiribelli C, Gazzin S. Role of Natural Compounds Modulating Heme Catabolic Pathway in Gut, Liver, Cardiovascular, and Brain Diseases. Biomolecules 2024; 14:63. [PMID: 38254662 PMCID: PMC10813662 DOI: 10.3390/biom14010063] [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: 12/01/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
The crucial physiological process of heme breakdown yields biliverdin (BV) and bilirubin (BR) as byproducts. BV, BR, and the enzymes involved in their production (the "yellow players-YP") are increasingly documented as endogenous modulators of human health. Mildly elevated serum bilirubin concentration has been correlated with a reduced risk of multiple chronic pro-oxidant and pro-inflammatory diseases, especially in the elderly. BR and BV per se have been demonstrated to protect against neurodegenerative diseases, in which heme oxygenase (HMOX), the main enzyme in the production of pigments, is almost always altered. HMOX upregulation has been interpreted as a tentative defense against the ongoing pathologic mechanisms. With the demonstration that multiple cells possess YP, their propensity to be modulated, and their broad spectrum of activity on multiple signaling pathways, the YP have assumed the role of an adjustable system that can promote health in adults. Based on that, there is an ongoing effort to induce their activity as a therapeutic option, and natural compounds are an attractive alternative to the goal, possibly requiring only minimal changes in the life style. We review the most recent evidence of the potential of natural compounds in targeting the YP in the context of the most common pathologic condition of adult and elderly life.
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Affiliation(s)
- Sri Jayanti
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
- Eijkman Research Centre for Molecular Biology, Research Organization for Health, National Research and Innovation Agency, Cibinong 16915, Indonesia
| | - Libor Vitek
- Institute of Medical Biochemistry and Laboratory Diagnostics, and 4th Department of Internal Medicine, General University Hospital and 1st Faculty of Medicine, Charles University, 12000 Prague, Czech Republic;
| | - Camilla Dalla Verde
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
- Department of Life Sciences, University of Trieste, 34139 Trieste, Italy
| | - John Paul Llido
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
- Department of Life Sciences, University of Trieste, 34139 Trieste, Italy
- Department of Science and Technology, Philippine Council for Health Research and Development, Bicutan, Taguig City 1631, Philippines
| | - Caecilia Sukowati
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
- Eijkman Research Centre for Molecular Biology, Research Organization for Health, National Research and Innovation Agency, Cibinong 16915, Indonesia
| | - Claudio Tiribelli
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
| | - Silvia Gazzin
- Liver brain Unit “Rita Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163,5, Basovizza, 34149 Trieste, Italy or (S.J.); (C.D.V.); (J.P.L.); or (C.S.); (C.T.)
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12
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Hassanein EHM, Ibrahim IM, Abd-Alhameed EK, Sharawi ZW, Jaber FA, Althagafy HS. Nrf2/HO-1 as a therapeutic target in renal fibrosis. Life Sci 2023; 334:122209. [PMID: 37890696 DOI: 10.1016/j.lfs.2023.122209] [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: 08/17/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 10/29/2023]
Abstract
Chronic kidney disease (CKD) is one of the most prevalent chronic diseases and affects between 10 and 14 % of the world's population. The World Health Organization estimates that by 2040, the disease will be fifth in prevalence. End-stage CKD is characterized by renal fibrosis, which can eventually lead to kidney failure and death. Renal fibrosis develops due to multiple injuries and involves oxidative stress and inflammation. In the human body, nuclear factor erythroid 2-related factor 2 (Nrf2) plays an important role in the expression of antioxidant, anti-inflammatory, and cytoprotective genes, which prevents oxidative stress and inflammation damage. Heme oxygenase (HO-1) is an inducible homolog influenced by heme products and after exposure to cellular stress inducers such as oxidants, inflammatory chemokines/cytokines, and tissue damage as an outcome or downstream of Nrf2 activation. HO-1 is known for its antioxidative properties, which play an important role in regulating oxidative stress. In renal diseases-induced tissue fibrosis and xenobiotics-induced renal fibrosis, Nrf2/HO-1 has been targeted with promising results. This review summarizes these studies and highlights the interesting bioactive compounds that may assist in attenuating renal fibrosis mediated by HO-1 activation. In conclusion, Nrf2/HO-1 signal activation could have a renoprotective effect strategy against CKD caused by oxidative stress, inflammation, and consequent renal fibrosis.
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Affiliation(s)
- Emad H M Hassanein
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt.
| | - Islam M Ibrahim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Esraa K Abd-Alhameed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Zeina W Sharawi
- Biological Sciences Department, Faculty of Sciences, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Fatima A Jaber
- Department of Biology, College of Science, University of Jeddah, P.O. Box 80327, Jeddah 21589, Saudi Arabia
| | - Hanan S Althagafy
- Department of Biochemistry, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
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13
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Yu Y, Wang Q, Zhang D, Wu W, Jiang Z. Relationship between bilirubin and systemic lupus erythematosus: A systematic review and meta-analysis. Immun Inflamm Dis 2023; 11:e1115. [PMID: 38156396 PMCID: PMC10739338 DOI: 10.1002/iid3.1115] [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: 08/10/2023] [Revised: 10/29/2023] [Accepted: 12/11/2023] [Indexed: 12/30/2023] Open
Abstract
AIMS Systemic lupus erythematosus (SLE) is an autoimmune disease with a high prevalence worldwide. This study aimed to examine the correlation between serum bilirubin levels and SLE. METHODS The Cochrane library, Embase, PubMed, and China National Knowledge Infrastructure (CNKI) databases were examined and assessed until March 2023. RevMan 5.3 software was utilized for the analysis of clinical trails. RESULTS Five case-control studies were chosen and incorporated, examining the levels of serum bilirubin in patients with SLE compared to healthy individuals, as well as in active SLE patients versus inactive ones, in different sexes and in SLE patients with or without lupus nephritis (LN). The results of this meta-analysis demonstrated that serum bilirubin in healthy individuals were obviously increased compared to SLE patients (MD = 4.76; 95% CI, 3.15-6.38, p < .00001). Additionally, inactive SLE patients had higher levels of bilirubin than active SLE patients (MD = 3.15; 95% CI, 0.46-5.84, p = .02), and SLE patients without lupus nephritis had higher levels of serum bilirubin than those with lupus nephritis (MD = 4.91;95% CI, 2.87-6.95, p < .00001). Nevertheless, there were no disparities observed among SLE patients of varying sexes (MD = 0.34; 95% CI, -0.01 to 0.69, p = .06). CONCLUSION The concentration of serum bilirubin may potentially be used as an indicator for estimating the advancement of SLE and reflecting the presence of kidney complications in individuals with SLE. Furthermore, more high quality studies were needed to identify these findings.
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Affiliation(s)
- Yanxia Yu
- Department of NephrologyThe Affiliated Hospital of Southwest Medical UniversityLuzhouChina
- Sichuan Clinical Research Center for NephropathyLuzhouChina
| | - Qiaoyu Wang
- Department of NephrologyThe Affiliated Hospital of Southwest Medical UniversityLuzhouChina
- Sichuan Clinical Research Center for NephropathyLuzhouChina
| | - Dongmei Zhang
- Department of NephrologyThe Affiliated Hospital of Southwest Medical UniversityLuzhouChina
- Sichuan Clinical Research Center for NephropathyLuzhouChina
| | - Weihua Wu
- Department of NephrologyThe Affiliated Hospital of Southwest Medical UniversityLuzhouChina
- Sichuan Clinical Research Center for NephropathyLuzhouChina
| | - Zheng Jiang
- Department of NephrologyThe Affiliated Hospital of Southwest Medical UniversityLuzhouChina
- Sichuan Clinical Research Center for NephropathyLuzhouChina
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14
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Tong H, Xing P, Ji ZN. Correlation between pre-treatment serum total blood bilirubin and unconjugated bilirubin and prognosis in patients with colorectal cancer. World J Gastrointest Surg 2023; 15:2456-2462. [PMID: 38111770 PMCID: PMC10725549 DOI: 10.4240/wjgs.v15.i11.2456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/29/2023] [Accepted: 09/20/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Epidemiological studies have found that unconjugated bilirubin (UCB) levels are positively correlated with the incidence of colorectal cancer (CRC). Therefore, bilirubin may also play an important role in the prognosis of CRC. AIM To investigate the predictive value of total bilirubin (TBIL) and UCB in the prognosis of patients with CRC. METHODS A total of 142 CRC patients were selected as the research subjects in Jingxian Hospital, from October 2014 to May 2021. General and tumour-related clinical data at admission and the overall survival at 3 years after surgery were collected. The optimal cut-off values of TBIL and UCB were determined by receiver operating characteristic curve analysis. Univariate and multivariate Cox regression were used to analyse the effect of bilirubin level on the survival of CRC patients. The Kaplan-Meier method was used to assess the survival time. RESULTS The 3-year overall survival rate of CRC patients was significantly higher in the high TBIL (> 13.45 μmol/L) group than in the low TBIL (≤ 13.45 μmol/L) group (76.4% vs 37.1%; P < 0.05). The 3-year overall survival rate of CRC patients in the high UCB (> 10.75 μmol/L) group was significantly higher than that in the low UCB (≤ 10.75 μmol/L) group (83.3% vs 34.2%; P < 0.05). Multivariate Cox regression analysis showed that higher TBIL levels were an independent predictor of better prognosis in CRC patients (hazard ratio = 0.360, 95% confidence interval: 0.159-0.812, P = 0.014). CONCLUSION TBIL levels can be used as a prognostic indicator for CRC patients.
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Affiliation(s)
- Hui Tong
- Department of Medicine Oncology, Anhui Jingxian Hospital, Xuancheng 242500, Anhui Province, China
| | - Peng Xing
- Department of Medicine Oncology, Anhui Jingxian Hospital, Xuancheng 242500, Anhui Province, China
| | - Zhao-Ning Ji
- Department of Medicine Oncology, The First Affiliated Hospital of Wannan Medical College-Yijishan Hospital, Wuhu 241000, Anhui Province, China
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15
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Xu MR, Jin CH, Lu JX, Li MF, Li LX. High-normal unconjugated bilirubin is associated with decreased risk of chronic kidney disease in type 2 diabetes: A real-world study. Diabetes Metab Res Rev 2023; 39:e3672. [PMID: 37309279 DOI: 10.1002/dmrr.3672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 04/01/2023] [Accepted: 05/26/2023] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To investigate the association between serum unconjugated bilirubin (UCB) within normal limits and chronic kidney disease (CKD) in T2DM patients. METHOD This cross-sectional, real-world study was performed in 8661 hospitalised T2DM patients. The subjects were stratified into quintiles based on serum UCB levels. The clinical characteristics and CKD prevalence were compared among the UCB quantile groups. The associations of serum UCB levels and quintiles with CKD were also analysed by binary logistic regression. RESULTS After controlling for age, sex, and diabetes duration (DD), the CKD prevalence (20.4%, 12.2%, 10.6%, 8.3%, and 6.4% for the first, second, third, fourth, and fifth quintiles, respectively, p < 0.001 for trend) was significantly decreased across the serum UCB quintiles. The fully adjusted regression model showed negative associations of serum UCB levels (OR: 0.660, 95% CI: 0.585-0.744; p < 0.001 for trend) and quintiles (p < 0.001) with the presence of CKD. Compared with the subjects in the lowest UCB quintile, the risk of CKD decreased by 36.2%, 54.3%, 53.8%, and 62.1%, respectively, in those from the second to the highest UCB quintile. Additionally, C-reactive protein (CRP) levels were significantly higher in the subjects with CKD than in those without CKD (p < 0.001), and significantly decreased across the UCB quintiles (p < 0.001 for trend). CONCLUSIONS Serum UCB levels within the normal range were significantly and negatively linked to CKD in T2DM patients. High-normal UCB may be an independent protective factor for CKD by its antioxidant and the following anti-inflammatory activities through its signalling activity, which was indicated by clearly decreased CRP levels across the UCB quintiles.
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Affiliation(s)
- Man-Rong Xu
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai, China
| | - Chun-Hua Jin
- Department of Endocrinology and Metabolism, Shanghai Songjiang District Central Hospital, Songjiang Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Preparatory Stage), Shanghai, China
| | - Jun-Xi Lu
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai, China
| | - Mei-Fang Li
- Department of Emergency, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lian-Xi Li
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai, China
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16
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Capuz A, Osien S, Cardon T, Karnoub MA, Aboulouard S, Raffo-Romero A, Duhamel M, Cizkova D, Trerotola M, Devos D, Kobeissy F, Vanden Abeele F, Bonnefond A, Fournier I, Rodet F, Salzet M. Heimdall, an alternative protein issued from a ncRNA related to kappa light chain variable region of immunoglobulins from astrocytes: a new player in neural proteome. Cell Death Dis 2023; 14:526. [PMID: 37587118 PMCID: PMC10432539 DOI: 10.1038/s41419-023-06037-y] [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: 01/04/2023] [Revised: 07/27/2023] [Accepted: 08/02/2023] [Indexed: 08/18/2023]
Abstract
The dogma "One gene, one protein" is clearly obsolete since cells use alternative splicing and generate multiple transcripts which are translated into protein isoforms, but also use alternative translation initiation sites (TISs) and termination sites on a given transcript. Alternative open reading frames for individual transcripts give proteins originate from the 5'- and 3'-UTR mRNA regions, frameshifts of mRNA ORFs or from non-coding RNAs. Longtime considered as non-coding, recent in-silico translation prediction methods enriched the protein databases allowing the identification of new target structures that have not been identified previously. To gain insight into the role of these newly identified alternative proteins in the regulation of cellular functions, it is crucial to assess their dynamic modulation within a framework of altered physiological modifications such as experimental spinal cord injury (SCI). Here, we carried out a longitudinal proteomic study on rat SCI from 12 h to 10 days. Based on the alternative protein predictions, it was possible to identify a plethora of newly predicted protein hits. Among these proteins, some presented a special interest due to high homology with variable chain regions of immunoglobulins. We focus our interest on the one related to Kappa variable light chains which is similarly highly produced by B cells in the Bence jones disease, but here expressed in astrocytes. This protein, name Heimdall is an Intrinsically disordered protein which is secreted under inflammatory conditions. Immunoprecipitation experiments showed that the Heimdall interactome contained proteins related to astrocyte fate keepers such as "NOTCH1, EPHA3, IPO13" as well as membrane receptor protein including "CHRNA9; TGFBR, EPHB6, and TRAM". However, when Heimdall protein was neutralized utilizing a specific antibody or its gene knocked out by CRISPR-Cas9, sprouting elongations were observed in the corresponding astrocytes. Interestingly, depolarization assays and intracellular calcium measurements in Heimdall KO, established a depolarization effect on astrocyte membranes KO cells were more likely that the one found in neuroprogenitors. Proteomic analyses performed under injury conditions or under lipopolysaccharides (LPS) stimulation, revealed the expression of neuronal factors, stem cell proteins, proliferation, and neurogenesis of astrocyte convertor factors such as EPHA4, NOTCH2, SLIT3, SEMA3F, suggesting a role of Heimdall could regulate astrocytic fate. Taken together, Heimdall could be a novel member of the gatekeeping astrocyte-to-neuroprogenitor conversion factors.
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Affiliation(s)
- Alice Capuz
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Sylvain Osien
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Tristan Cardon
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Mélodie Anne Karnoub
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Soulaimane Aboulouard
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Antonella Raffo-Romero
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Marie Duhamel
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
| | - Dasa Cizkova
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dúbravská cesta 9, 845 10, Bratislava, Slovakia
- Centre for Experimental and Clinical Regenerative Medicine, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, Slovakia
| | - Marco Trerotola
- Laboratory of Cancer Pathology, Center for Advanced Studies and Technology (CAST), University 'G. d'Annunzio', Chieti, Italy
- Department of Medical, Oral and Biotechnological Sciences, University 'G. d'Annunzio', Chieti, Italy
| | - David Devos
- Université de Lille, INSERM, U1172, CHU-Lille, Lille Neuroscience Cognition Research Centre, 1 place de Verdun, 59000, Lille, France
| | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Fabien Vanden Abeele
- Université de Lille, INSERM U1003, Laboratory of Cell Physiology, 59650, Villeneuve d'Ascq, France
| | - Amélie Bonnefond
- Univ. Lille, Inserm UMR1283, CNRS UMR8199, European Genomic Institute for Diabetes (EGID), Institut Pasteur de Lille, CHU de Lille, 1 place de Verdun, 59000, Lille, France
| | - Isabelle Fournier
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France
- Institut Universitaire de France, 75005, Paris, France
| | - Franck Rodet
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France.
| | - Michel Salzet
- Univ. Lille, Inserm, U-1192 - Laboratoire Protéomique, Réponse Inflammatoire et Spectrométrie de Masse-PRISM, F-59000, Lille, France.
- Institut Universitaire de France, 75005, Paris, France.
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Wang L, Dan Q, Xu B, Chen Y, Zheng T. Research progress on gas signal molecular therapy for Parkinson's disease. Open Life Sci 2023; 18:20220658. [PMID: 37588999 PMCID: PMC10426759 DOI: 10.1515/biol-2022-0658] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/22/2023] [Accepted: 06/14/2023] [Indexed: 08/18/2023] Open
Abstract
The pathogenesis of Parkinson's disease (PD) remains unclear. Among the pathological manifestations is the progressive degeneration of the nigrostriatal dopaminergic pathway, leading to massive loss of neurons in the substantia nigra pars compacta and dopamine (DA) depletion. Therefore, the current drug treatment is primarily based on DA supplementation and delaying the progression of the disease. However, as patients' symptoms continue to worsen, the drug effect will gradually decrease or even disappear, thereby further aggravating clinical symptoms. Gas signaling molecules, such as hydrogen sulfide (H2S), nitric oxide (NO), carbon monoxide (CO), and hydrogen (H2), exhibit pleiotropic biological functions and play crucial roles in physiological and pathological effects. In common neurodegenerative diseases including Alzheimer's disease and PD, gas signal molecules can prevent or delay disease occurrence via the primary mechanisms of antioxidation, anti-inflammatory response, and antiapoptosis. This article reviews the therapeutic progress of gas signaling molecules in PD models and discusses the possibility of their clinical applications.
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Affiliation(s)
- Linlin Wang
- Department of Hubei University of Medicine, Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Institute of Ultrasonic Medicine, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen518036, P. R. China
| | - Qing Dan
- Department of Hubei University of Medicine, Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Institute of Ultrasonic Medicine, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen518036, P. R. China
| | - Bingxuan Xu
- Department of Hubei University of Medicine, Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Institute of Ultrasonic Medicine, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen518036, P. R. China
| | - Yun Chen
- Department of Hubei University of Medicine, Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Institute of Ultrasonic Medicine, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen518036, P. R. China
| | - Tingting Zheng
- Department of Hubei University of Medicine, Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Institute of Ultrasonic Medicine, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen518036, P. R. China
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18
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Volpi C, Van den Eynde BJ, Orabona C. Editorial: Heme proteins: key players in the regulation of immune responses. Front Immunol 2023; 14:1263384. [PMID: 37638027 PMCID: PMC10450145 DOI: 10.3389/fimmu.2023.1263384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Affiliation(s)
- Claudia Volpi
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Benoît J Van den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium
- de Duve Institute, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and Biotechnology, Brussels, Belgium
- Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Ciriana Orabona
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
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19
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Kasprzak MP, Gryszczyńska B, Olasińska-Wiśniewska A, Urbanowicz T, Jawień A, Krasiński Z, Formanowicz D. Blb-NRF2-PON1 Cross-Talk in Abdominal Aortic Aneurysm Progression. Antioxidants (Basel) 2023; 12:1568. [PMID: 37627563 PMCID: PMC10451880 DOI: 10.3390/antiox12081568] [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: 07/17/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
The progression of an abdominal aortic aneurysm (AAA) is an important issue, especially as AAA is becoming more common, and potentially life-threatening. This study aimed to understand better the mechanisms underlying AAA progression. For this purpose, we have focused on assessing the selected biomarkers whose potentially common denominator is the NRF2 (nuclear factor erythroid 2-related factor 2) transcription factor, that determines the selected antioxidant enzymes' activation. The study group consisted of 44 AAA male patients (71.41 ± 7.80 years aged). They were divided into three groups based on the aneurism diameter: group I (below 55 mm), group II (between 55 and 70 mm), and group III (over 70 mm). The laboratory analyses of PON1 (paraoxonase-1), NRF2, and HO-1 (heme oxygenase 1) were performed based on commercial ELISA tests; Blb (bilirubin) and hsCRP (high sensitivity C-reactive protein) were assessed during routine morphology examinations after admission to the hospital. Multiple linear regression showed that both bilirubin and NRF2 determined the PON1 concentration in the entire study group. The correlations between the examined parameters within the three studied groups suggest the capitulation of NRF2-dependent antioxidant mechanisms to pro-inflammatory processes. We showed that HO-1 and hsCRP may play a crucial role in the development of inflammation aneurism progression. Moreover, in patients with medium-sized aneurysms, antioxidant mechanisms were depressed, and inflammatory processes began to dominate, which may lead to uncontrolled growth aneurysm rupture. Our study is one of the first to indicate that the chronically activated antioxidant pathway using NRF2 may be a source of reduction stress.
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Affiliation(s)
- Magdalena P. Kasprzak
- Department of Medical Chemistry and Laboratory Medicine, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Bogna Gryszczyńska
- Department of Medical Chemistry and Laboratory Medicine, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Anna Olasińska-Wiśniewska
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Tomasz Urbanowicz
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Andrzej Jawień
- Department of Vascular and Endovascular Surgery Angiology and Phlebology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Zbigniew Krasiński
- Department of Vascular and Endovascular Surgery Angiology and Phlebology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Dorota Formanowicz
- Department of Medical Chemistry and Laboratory Medicine, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
- Department of Stem Cells and Regenerative Medicine, Institute of Natural Fibres and Medicinal Plants-National Research, Kolejowa 2, 62-064 Plewiska, Poland
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20
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Llido JP, Jayanti S, Tiribelli C, Gazzin S. Bilirubin and Redox Stress in Age-Related Brain Diseases. Antioxidants (Basel) 2023; 12:1525. [PMID: 37627520 PMCID: PMC10451892 DOI: 10.3390/antiox12081525] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Cellular redox status has a crucial role in brain physiology, as well as in pathologic conditions. Physiologic senescence, by dysregulating cellular redox homeostasis and decreasing antioxidant defenses, enhances the central nervous system's susceptibility to diseases. The reduction of free radical accumulation through lifestyle changes, and the supplementation of antioxidants as a prophylactic and therapeutic approach to increase brain health, are strongly suggested. Bilirubin is a powerful endogenous antioxidant, with more and more recognized roles as a biomarker of disease resistance, a predictor of all-cause mortality, and a molecule that may promote health in adults. The alteration of the expression and activity of the enzymes involved in bilirubin production, as well as an altered blood bilirubin level, are often reported in neurologic conditions and neurodegenerative diseases (together denoted NCDs) in aging. These changes may predict or contribute both positively and negatively to the diseases. Understanding the role of bilirubin in the onset and progression of NCDs will be functional to consider the benefits vs. the drawbacks and to hypothesize the best strategies for its manipulation for therapeutic purposes.
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Affiliation(s)
- John Paul Llido
- Liver Brain Unit “Rita Moretti”, Italian Liver Foundation, Bldg. Q, AREA Science Park, Basovizza, 34149 Trieste, Italy; (J.P.L.); or (S.J.); (S.G.)
- Department of Science and Technology, Philippine Council for Health Research and Development, Bicutan, Taguig City 1631, Philippines
- Department of Life Sciences, University of Trieste, 34139 Trieste, Italy
| | - Sri Jayanti
- Liver Brain Unit “Rita Moretti”, Italian Liver Foundation, Bldg. Q, AREA Science Park, Basovizza, 34149 Trieste, Italy; (J.P.L.); or (S.J.); (S.G.)
- Eijkman Research Centre for Molecular Biology, Research Organization for Health, National Research and Innovation Agency, Cibinong 16911, Indonesia
| | - Claudio Tiribelli
- Liver Brain Unit “Rita Moretti”, Italian Liver Foundation, Bldg. Q, AREA Science Park, Basovizza, 34149 Trieste, Italy; (J.P.L.); or (S.J.); (S.G.)
| | - Silvia Gazzin
- Liver Brain Unit “Rita Moretti”, Italian Liver Foundation, Bldg. Q, AREA Science Park, Basovizza, 34149 Trieste, Italy; (J.P.L.); or (S.J.); (S.G.)
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21
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Casnocha Lucanova L, Zibolenova J, Matasova K, Matasova K, Zibolen M. The use of transcutaneous bilirubin nomograms for the prevention of bilirubin neurotoxicity in the neonates. Front Public Health 2023; 11:1212667. [PMID: 37538268 PMCID: PMC10395091 DOI: 10.3389/fpubh.2023.1212667] [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: 04/26/2023] [Accepted: 06/26/2023] [Indexed: 08/05/2023] Open
Abstract
Purpose Although neonatal jaundice is a ubiquitous and predominantly benign phenomenon, the risk of neurotoxicity exists in a number of infants with unconjugated hyperbilirubinemia. Plotting bilirubin values on nomograms enables clinicians to employ an anticipatory and individualized approach with the goal of avoiding excessive hyperbilirubinemia and preventing acute bilirubin encephalopathy and its progression to kernicterus. We aimed to construct nomograms for White term infants based on transcutaneous bilirubin (TcB) measurements using a JM-105 device. Methods TcB measurements were taken in infants at ages ranging from 0 to 96 postnatal hours. We then constructed hour-specific TcB nomograms from forehead and sternum measurements in infants who did not require subsequent phototherapy. Results We included 2,981 TcB measurements taken on the forehead and 2,977 measurements taken on the sternum in 301 White term newborn infants. We assessed the predictive abilities of the nomograms at six postnatal time intervals using receiver operating characteristic curves. The areas under the curves indicated reasonable prediction of hyperbilirubinemia requiring phototherapy, except for the forehead measurement taken within the first 12 h of life. Sensitivity tended to rise as postnatal age increased. Conclusion The nomograms illustrate dermal bilirubin dynamics in White term neonates during the first 4 days of life. They may be useful tools to predict individualized risk of hyperbilirubinemia requiring treatment, and to plan optimal follow-up of infants at risk of bilirubin neurotoxicity.
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Affiliation(s)
- Lucia Casnocha Lucanova
- Neonatology Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, University Hospital Martin, Martin, Slovakia
| | - Jana Zibolenova
- Department of Public Health, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Katarina Matasova
- Neonatology Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, University Hospital Martin, Martin, Slovakia
| | - Katarina Matasova
- Neonatology Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, University Hospital Martin, Martin, Slovakia
| | - Mirko Zibolen
- Neonatology Department, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, University Hospital Martin, Martin, Slovakia
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22
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Jayanti S, Dalla Verde C, Tiribelli C, Gazzin S. Inflammation, Dopaminergic Brain and Bilirubin. Int J Mol Sci 2023; 24:11478. [PMID: 37511235 PMCID: PMC10380707 DOI: 10.3390/ijms241411478] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Dopamine is a well-known neurotransmitter due to its involvement in Parkinson's disease (PD). Dopamine is not only involved in PD but also controls multiple mental and physical activities, such as the pleasure of food, friends and loved ones, music, art, mood, cognition, motivation, fear, affective disorders, addiction, attention deficit disorder, depression, and schizophrenia. Dopaminergic neurons (DOPAn) are susceptible to stressors, and inflammation is a recognized risk for neuronal malfunctioning and cell death in major neurodegenerative diseases. Less is known for non-neurodegenerative conditions. Among the endogenous defenses, bilirubin, a heme metabolite, has been shown to possess important anti-inflammatory activity and, most importantly, to prevent DOPAn demise in an ex vivo model of PD by acting on the tumor necrosis factor-alpha (TNFα). This review summarizes the evidence linking DOPAn, inflammation (when possible, specifically TNFα), and bilirubin as an anti-inflammatory in order to understand what is known, the gaps that need filling, and the hypotheses of anti-inflammatory strategies to preserve dopamine homeostasis with bilirubin included.
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Affiliation(s)
- Sri Jayanti
- Italian Liver Foundation, Liver Brain Unit "Rita Moretti", Area Science Park, Bldg. Q, SS 14, Km 163,5, 34149 Trieste, Italy
- Eijkman Research Centre for Molecular Biology, Research Organization for Health, National Research and Innovation Agency, Cibinong 16915, Indonesia
| | - Camilla Dalla Verde
- Italian Liver Foundation, Liver Brain Unit "Rita Moretti", Area Science Park, Bldg. Q, SS 14, Km 163,5, 34149 Trieste, Italy
| | - Claudio Tiribelli
- Italian Liver Foundation, Liver Brain Unit "Rita Moretti", Area Science Park, Bldg. Q, SS 14, Km 163,5, 34149 Trieste, Italy
| | - Silvia Gazzin
- Italian Liver Foundation, Liver Brain Unit "Rita Moretti", Area Science Park, Bldg. Q, SS 14, Km 163,5, 34149 Trieste, Italy
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23
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Dong Y, Liu C, Wang J, Li H, Wang Q, Feng A, Tang Z. Association between total bilirubin and gender-specific incidence of fundus arteriosclerosis in a Chinese population: a retrospective cohort study. Sci Rep 2023; 13:11244. [PMID: 37433836 DOI: 10.1038/s41598-023-38378-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 07/07/2023] [Indexed: 07/13/2023] Open
Abstract
To investigate the gender-specific relationship between total bilirubin (TBIL) and fundus arteriosclerosis in the general population, and to explore whether there is a dose-response relationship between them. In a retrospective cohort study, 27,477 participants were enrolled from 2006 to 2019. The TBIL was divided into four groups according to the quartile. The Cox proportional hazards model was used to estimate the HRs with 95% CIs of different TBIL level and fundus arteriosclerosis in men and women. The dose-response relationship between TBIL and fundus arteriosclerosis was estimated using restricted cubic splines method. In males, after adjusting for potential confounders, the Q2 to Q4 level of TBIL were significantly associated with the risk of fundus arteriosclerosis. The HRs with 95% CIs were 1.217 (1.095-1.354), 1.255 (1.128-1.396) and 1.396 (1.254-1.555), respectively. For females, TBIL level was not associated with the incidence of fundus arteriosclerosis. In addition, a linear relationship between TBIL and fundus arteriosclerosis in both genders (P < 0.0001 and P = 0.0047, respectively). In conclusion, the incidence of fundus arteriosclerosis is positively correlated with serum TBIL level in males, but not in females. In addition, there was a linear dose-response relationship between TBIL and incidence of fundus arteriosclerosis.
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Affiliation(s)
- Yongfei Dong
- Department of Biostatistics, School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, P.R. China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China
| | - Chunxing Liu
- Department of Laboratory, Hua Dong Sanatorium, Wuxi, 214065, Jiangsu Province, China
| | - Jieli Wang
- Department of Laboratory, Hua Dong Sanatorium, Wuxi, 214065, Jiangsu Province, China
| | - Huijun Li
- Department of Biostatistics, School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, P.R. China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China
| | - Qi Wang
- Department of Biostatistics, School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, P.R. China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China
| | - Aicheng Feng
- Department of Otorhinolaryngology, Hua Dong Sanatorium, Wuxi, 214065, Jiangsu Province, China.
| | - Zaixiang Tang
- Department of Biostatistics, School of Public Health, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, P.R. China.
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China.
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24
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Hisamatsu T. Mendelian Randomization to Evaluate the Causal Effect of Serum Bilirubin on Atrial Fibrillation. Korean Circ J 2023; 53:480-482. [PMID: 37271753 PMCID: PMC10406531 DOI: 10.4070/kcj.2023.0075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 04/10/2023] [Indexed: 06/06/2023] Open
Affiliation(s)
- Takashi Hisamatsu
- Department of Public Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- NCD Epidemiology Research Center, Shiga University of Medical Science, Shiga, Japan.
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25
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Zang X, Qin W, Xiong Y, Xu A, Huang H, Fang T, Zang X, Chen M. Using three statistical methods to analyze the association between aldehyde exposure and markers of inflammation and oxidative stress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27717-4. [PMID: 37286832 DOI: 10.1007/s11356-023-27717-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/13/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND Exposure to aldehydes has been linked to adverse health outcomes such as inflammation and oxidative stress, but research on the effects of these compounds is limited. This study is aimed at assessing the association between aldehyde exposure and markers of inflammation and oxidative stress. METHODS The study used data from the NHANES 2013-2014 survey (n = 766) and employed multivariate linear models to investigate the relationship between aldehyde compounds and various markers of inflammation (alkaline phosphatase (ALP) level, absolute neutrophil count (ANC), and lymphocyte count) and oxidative stress (bilirubin, albumin, and iron levels) while controlling for other relevant factors. In addition to generalized linear regression, weighted quantile sum (WQS) and Bayesian kernel machine regression (BKMR) analyses were applied to examine the single or overall effect of aldehyde compounds on the outcomes. RESULTS In the multivariate linear regression model, each 1 standard deviation (SD) change in propanaldehyde and butyraldehyde was significantly associated with increases in serum iron levels (beta and 95% confidence interval, 3.25 (0.24, 6.27) and 8.40 (0.97, 15.83), respectively) and the lymphocyte count (0.10 (0.04, 0.16) and 0.18 (0.03, 0.34), respectively). In the WQS regression model, a significant association was discovered between the WQS index and both the albumin and iron levels. Furthermore, the results of the BKMR analysis showed that the overall impact of aldehyde compounds was significantly and positively correlated with the lymphocyte count, as well as the levels of albumin and iron, suggesting that these compounds may contribute to increased oxidative stress. CONCLUSIONS This study reveals the close association between single or overall aldehyde compounds and markers of chronic inflammation and oxidative stress, which has essential guiding value for exploring the impact of environmental pollutants on population health.
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Affiliation(s)
- Xiaodong Zang
- Department of Pediatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China
| | - Wengang Qin
- Department of Pediatrics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, 230001, Anhui, China
| | - Yingying Xiong
- Department of Pediatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China
| | - Anlan Xu
- Department of Pediatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China
| | - Hesuyuan Huang
- Orthopedics Department, Peking University Shougang Hospital, Beijing, 100144, China
| | - Tao Fang
- Department of Pediatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China
| | - Xiaowei Zang
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, China
| | - Mingwu Chen
- Department of Pediatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China.
- Department of Pediatrics, Provincial Hospital Affiliated to Anhui Medical University, Hefei, 230001, Anhui, China.
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26
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Watanabe K, Negoro R, Fujita T. 5-ALA treatment increases intracellular heme levels and enhances CYP3A4 activity in genome-edited Caco-2 cells. Biochem Biophys Res Commun 2023; 664:94-99. [PMID: 37141642 DOI: 10.1016/j.bbrc.2023.04.077] [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: 04/10/2023] [Accepted: 04/22/2023] [Indexed: 05/06/2023]
Abstract
In nonclinical studies, models that can predict the metabolism of drug candidates by cytochrome P450 (CYP), including Cytochrome P450 family 3 subfamily A member 4 (CYP3A4) are helpful. CYP3A4-overexpressing human cells have been used universally to evaluate whether CYP3A4 metabolizes drug-candidate compounds. However, CYP3A4-overexpressing human cell lines are problematic because their activity levels are lower than that of in vivo human CYP3A4. Heme plays a paramount role in CYP activity. The rate-limiting step in heme biosynthesis is the generation of 5-aminolevulinic acid (5-ALA). In this study, we examined whether treatment with 5-ALA to CYP3A4-POR-UGT1A1-CES2 knockin and CES1 knockout (genome-edited) Caco-2 cells enhances CYP3A4 activity. A 7-day 5-ALA treatment increased intracellular heme levels in genome-edited Caco-2 cells without cytotoxicity. Moreover, consistent with the increase in intracellular heme content, 5-ALA treatment increased CYP3A4 activity in genome-edited Caco-2 cells. The results of this research are expected to be applied to pharmacokinetic studies using CYP-overexpressing human cells containing CYP3A4.
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Affiliation(s)
- Keita Watanabe
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, 525-8577, Japan
| | - Ryosuke Negoro
- Laboratory of Molecular Pharmacokinetics, College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, 525-8577, Japan.
| | - Takuya Fujita
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, 525-8577, Japan; Laboratory of Molecular Pharmacokinetics, College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, 525-8577, Japan; Research Center for Drug Discovery and Development, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, 525-8577, Japan
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27
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Yuan X, Ma C, Li J, Li J, Yu R, Cai F, Qu G, Yu B, Liu L, Zeng D, Jiao Q, Liao Q, Lv X. Indirect bilirubin impairs invasion of osteosarcoma cells via inhibiting the PI3K/AKT/MMP-2 signaling pathway by suppressing intracellular ROS. J Bone Oncol 2023; 39:100472. [PMID: 36876225 PMCID: PMC9982672 DOI: 10.1016/j.jbo.2023.100472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/20/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Background Osteosarcoma is most prevalently found primary malignant bone tumors, with primary metastatic patients accounting for approximately 25% of all osteosarcoma patients, yet their 5-year OS remains below 30%. Bilirubin plays a key role in oxidative stress-associated events, including malignancies, making the regulation of its serum levels a potential anti-tumor strategy. Herein, we investigated the association of osteosarcoma prognosis with serum levels of TBIL, IBIL and DBIL, and further explored the mechanisms by which bilirubin affects tumor invasion and migration. Methods ROC curve was plotted to assess survival conditions based on the determined optimal cut-off values and the AUC. Then, Kaplan-Meier curves, along with Cox proportional hazards model, was applied for survival analysis. Inhibitory function of IBIL on the malignant properties of osteosarcoma cells was examined using the qRT-PCR, transwell assays, western blotting, and flow cytometry. Results We found that, versus osteosarcoma patients with pre-operative higher IBIL (>8.9 μmol/L), those with low IBIL (≤8.9 μmol/L) had shorter OS and PFS. As indicated by the Cox proportional hazards model, pre-operative IBIL functioned as an independent prognostic factor for OS and PFS in total and gender-stratified osteosarcoma patients (P < 0.05 for all). In vitro experiments further confirmed that IBIL inhibits PI3K/AKT phosphorylation and downregulates MMP-2 expression via reducing intracellular ROS, thereby decreasing the invasion of osteosarcoma cells. Conclusions IBIL may serve as an independent prognostic predictor for osteosarcoma patients. IBIL impairs invasion of osteosarcoma cells through repressing the PI3K/AKT/MMP-2 pathway by suppressing intracellular ROS, thus inhibiting its metastatic potential.
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Key Words
- AUC, area under curve
- BRNP, PEGylated bilirubin nanoparticles
- CCK-8, cell counting kit-8
- CI, confidence interval
- DBIL, direct bilirubin
- DMSO, dimethyl sulfoxide
- ECM, extracellular matrix
- H2O2, hydrogen peroxide
- HIF-1α, hypoxia inducible factor-1α
- HR, hazard ratio
- IBIL
- IBIL, indirect bilirubin
- Invasion
- MDA, malondialdehyde
- MMP, matrix metalloproteinase
- OS, overall survival
- Osteosarcoma
- PFS, progression-free survival
- PI3K/AKT/MMP-2
- PVDF, polyvinylidene fluoride
- Prognosis
- ROC, receiver operative characteristic
- ROS, reactive oxygen species
- SD, standard deviation
- SOD, superoxide dismutase
- TBIL, total bilirubin
- TIMP, tissue inhibitor of matrix metalloproteinase
- VEGF, vascular endothelial growth factor
- qRT-PCR, real-time quantitative PCR
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Affiliation(s)
- Xuhui Yuan
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China
| | - Cong Ma
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jiayu Li
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China
| | - Junhong Li
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Ronghui Yu
- Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Feng Cai
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Gaoyang Qu
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Bo Yu
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Lang Liu
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Duo Zeng
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - QuanHui Jiao
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Qi Liao
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China.,Department of Orthopedics, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China
| | - Xiaobin Lv
- Jiangxi Key Laboratory of Cancer Metastasis and Precision Treatment, Central Laboratory, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, China
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Insights into the Structures of Bilirubin and Biliverdin from Vibrational and Electronic Circular Dichroism: History and Perspectives. Molecules 2023; 28:molecules28062564. [PMID: 36985535 PMCID: PMC10054127 DOI: 10.3390/molecules28062564] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
In this work we review research activities on a few of the most relevant structural aspects of bilirubin (BR) and biliverdin (BV). Special attention is paid to the exocyclic C=C bonds being in mostly Z rather than E configurations, and to the overall conformation being essentially different for BR and BV due to the presence or absence of the double C=C bond at C-10. In both cases, racemic mixtures of each compound of either M or P configuration are present in achiral solutions; however, imbalance between the two configurations may be easily achieved. In particular, results based on chiroptical spectroscopies, both electronic and vibrational circular dichroism (ECD and VCD) methods, are presented for chirally derivatized BR and BV molecules. Finally, we review deracemization experiments monitored with ECD data from our lab for BR in the presence of serum albumin and anesthetic compounds.
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Xiao W, Xiong Y, Li Y, Chen Z, Li H. Non-Enzymatically Colorimetric Bilirubin Sensing Based on the Catalytic Structure Disruption of Gold Nanocages. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23062969. [PMID: 36991679 PMCID: PMC10053977 DOI: 10.3390/s23062969] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 06/12/2023]
Abstract
As an essential indicator of liver function, bilirubin is of great significance for clinical diagnosis. A non-enzymatic sensor has been established for sensitive bilirubin detection based on the bilirubin oxidation catalyzed by unlabeled gold nanocages (GNCs). GNCs with dual-localized surface plasmon resonance (LSPR) peaks were prepared by a one-pot method. One peak around 500 nm was ascribed to gold nanoparticles (AuNPs), and the other located in the near-infrared region was the typical peak of GNCs. The catalytic oxidation of bilirubin by GNCs was accompanied by the disruption of cage structure, releasing free AuNPs from the nanocage. This transformation changed the dual peak intensities in opposite trend, and made it possible to realize the colorimetric sensing of bilirubin in a ratiometric mode. The absorbance ratios showed good linearity to bilirubin concentrations in the range of 0.20~3.60 μmol/L with a detection limit of 39.35 nM (3σ, n = 3). The sensor exhibited excellent selectivity for bilirubin over other coexisting substances. Bilirubin in real human serum samples was detected with recoveries ranging from 94.5 to 102.6%. The method for bilirubin assay is simple, sensitive and without complex biolabeling.
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Affiliation(s)
- Wenxiang Xiao
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China
- Guangxi Colleges and Universities Key Laboratory of Biomedical Sensing and Intelligent Instrument, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yinan Xiong
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yaoxin Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China
| | - Zhencheng Chen
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China
- Guangxi Colleges and Universities Key Laboratory of Biomedical Sensing and Intelligent Instrument, Guilin University of Electronic Technology, Guilin 541004, China
| | - Hua Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China
- Guangxi Colleges and Universities Key Laboratory of Biomedical Sensing and Intelligent Instrument, Guilin University of Electronic Technology, Guilin 541004, China
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Zhang H, Yang G, Jiang R, Feng D, Li Y, Chen Y, Yuan G. Correlation Between Total Bilirubin, Total Bilirubin/Albumin Ratio with Disease Activity in Patients with Rheumatoid Arthritis. Int J Gen Med 2023; 16:273-280. [PMID: 36718146 PMCID: PMC9884058 DOI: 10.2147/ijgm.s393273] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/05/2022] [Indexed: 01/25/2023] Open
Abstract
Purpose Rheumatoid arthritis (RA) is a systemic inflammatory disorder with unknown etiology. Oxidative stress and immune imbalance play a critical role in the pathogenesis of rheumatoid arthritis. Bilirubin has recently been recognized as a potent antioxidant as well as an immunomodulatory agent of physiological importance. The aim of this study was to explore whether increased bilirubin concentrations are correlated with good clinical prognosis of rheumatoid arthritis. Patients and Methods In this cross-sectional study, we included 197 healthy individuals and 197 RA patients in the Affiliated Hospital of North Sichuan Medical College from October 2020 to February 2022. The latter were classified into three classes of disease activity according to DAS28-ESR: remission and low (DAS28-ESR<3.2), moderate (3.2≤DAS28-ESR≤5.1), and high (DAS28ESR>5.1). Based on the clinical and laboratory data, we evaluated the association of bilirubin levels with disease activity in RA using multivariable ordered logistic regression. Results The levels of total bilirubin and total bilirubin/albumin ratio were significantly lower (P < 0.001; P < 0.001) in RA patients compared with healthy controls. In RA patients, Spearman's rank correlation analysis revealed that bilirubin and total bilirubin/albumin ratio were negatively correlated with disease activity and inflammatory marker (C-reactive protein, erythrocyte sedimentation rate, Interleukin-6). In multivariable ordered logistic regression, higher total bilirubin (OR=0.77, 95% CI: 0.67-0.89, p<0.001) independently predicted lower disease activity. Conclusion Bilirubin levels remain associated with a reduction of disease activity, suggesting that bilirubin may be a protective factor for RA aggravation.
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Affiliation(s)
- Hui Zhang
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Guizhao Yang
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Rongqiong Jiang
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Dan Feng
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Yuqin Li
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Yong Chen
- Department of Rheumatism and Immunology, the People’s Hospital of Jianyang City, Jianyang, People’s Republic of China
| | - Guohua Yuan
- Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, People’s Republic of China,Correspondence: Guohua Yuan, Institute of Rheumatism and Immunology, the Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, People’s Republic of China, Tel +8615983777907, Fax +8608172262301, Email
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31
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Guan B, Yang M, Shen X, Wang Y, Liu Y, Liu R, Li S, Cao J. Genetically determined serum bilirubin level and the risk of heart failure: A mendelian randomization study. Front Genet 2023; 14:1067146. [PMID: 36713081 PMCID: PMC9881886 DOI: 10.3389/fgene.2023.1067146] [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: 10/11/2022] [Accepted: 01/02/2023] [Indexed: 01/14/2023] Open
Abstract
Background: The association between serum bilirubin level and heart failure (HF) was controversial in previous observational studies and the causal effects of bilirubin on HF have not been investigated. Here, we conducted a Mendelian randomization (MR) study to investigate the associations between genetically determined bilirubin level and HF. Methods: Summary data on the association of single nucleotide polymorphisms (SNPs) with serum bilirubin levels were obtained from genome-wide association study (GWAS) for individuals of European descent and East Asian descent separately. Statistical data for gene-HF associations were extracted from three databases: the HERMES Consortium (47,309 cases and 930,014 controls), FinnGen study (30,098 cases and 229,612 controls) for European population and Biobank Japan (2,820 HF cases and 192,383 controls) for East Asian population. We applied a two-sample Mendelian randomization framework to investigate the causal association between serum bilirubin and HF. Results: Findings from our MR analyses showed that genetically determined serum bilirubin levels were not causally associated with HF risk in either European or East Asian population (odds ratio [OR] = 1.01 and 95% confidence interval [CI] = .97-1.05 for HERMES Consortium; OR = 1.01 and 95% CI = .98-1.04 for FinnGen Study; OR = .82, 95% CI: .61-1.10 for Biobank Japan). These results remained unchanged using different Mendelian randomization methods and in sensitivity analyses. Conclusion: Our study did not find any evidence to support a causal association between serum bilirubin and HF.
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Affiliation(s)
- Bo Guan
- Medical School of Chinese PLA General Hospital, Beijing, China
| | - Mingyan Yang
- Medical School of Chinese PLA General Hospital, Beijing, China
| | - Xing Shen
- Department of Experimental Hematology and Biochemistry, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yemei Wang
- Jinzhou Medical University, Jinzhou, China
| | - Yutong Liu
- Medical School of Chinese PLA General Hospital, Beijing, China
| | - Ruihan Liu
- Medical School of Chinese PLA General Hospital, Beijing, China
| | - Shijun Li
- Geriatric Cardiology Department of the Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China,*Correspondence: Jian Cao, ; Shijun Li,
| | - Jian Cao
- Geriatric Cardiology Department of the Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China,*Correspondence: Jian Cao, ; Shijun Li,
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32
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Harlow CE, Patel VV, Waterworth DM, Wood AR, Beaumont RN, Ruth KS, Tyrrell J, Oguro-Ando A, Chu AY, Frayling TM. Genetically proxied therapeutic prolyl-hydroxylase inhibition and cardiovascular risk. Hum Mol Genet 2023; 32:496-505. [PMID: 36048866 PMCID: PMC9851745 DOI: 10.1093/hmg/ddac215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 08/05/2022] [Accepted: 08/22/2022] [Indexed: 01/24/2023] Open
Abstract
Prolyl hydroxylase (PHD) inhibitors are in clinical development for anaemia in chronic kidney disease. Epidemiological studies have reported conflicting results regarding safety of long-term therapeutic haemoglobin (Hgb) rises through PHD inhibition on risk of cardiovascular disease. Genetic variation in genes encoding PHDs can be used as partial proxies to investigate the potential effects of long-term Hgb rises. We used Mendelian randomization to investigate the effect of long-term Hgb level rises through genetically proxied PHD inhibition on coronary artery disease (CAD: 60 801 cases; 123 504 controls), myocardial infarction (MI: 42 561 cases; 123 504 controls) or stroke (40 585 cases; 406 111 controls). To further characterize long-term effects of Hgb level rises, we performed a phenome-wide association study (PheWAS) in up to 451 099 UK Biobank individuals. Genetically proxied therapeutic PHD inhibition, equivalent to a 1.00 g/dl increase in Hgb levels, was not associated (at P < 0.05) with increased odds of CAD; odd ratio (OR) [95% confidence intervals (CI)] = 1.06 (0.84, 1.35), MI [OR (95% CI) = 1.02 (0.79, 1.33)] or stroke [OR (95% CI) = 0.91 (0.66, 1.24)]. PheWAS revealed associations with blood related phenotypes consistent with EGLN's role, relevant kidney- and liver-related biomarkers like estimated glomerular filtration rate and microalbuminuria, and non-alcoholic fatty liver disease (Bonferroni-adjusted P < 5.42E-05) but these were not clinically meaningful. These findings suggest that long-term alterations in Hgb through PHD inhibition are unlikely to substantially increase cardiovascular disease risk; using large disease genome-wide association study data, we could exclude ORs of 1.35 for cardiovascular risk with a 1.00 g/dl increase in Hgb.
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Affiliation(s)
- Charli E Harlow
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | - Vickas V Patel
- GlaxoSmithKline, Collegeville, PA 19426, USA.,Spark Therapeutics, Inc., Philadelphia, PA 19104, USA
| | - Dawn M Waterworth
- GlaxoSmithKline, Collegeville, PA 19426, USA.,Immunology Translational Sciences, Janssen, Spring House, PA 19044, USA
| | - Andrew R Wood
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | - Robin N Beaumont
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | - Katherine S Ruth
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | - Jessica Tyrrell
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | - Asami Oguro-Ando
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
| | | | - Timothy M Frayling
- College of Medicine and Health, University of Exeter, Exeter, Devon EX2 5DW, UK
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33
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Wu C, Jin Y, Cui Y, Zhu Y, Yin S, Li C. Effects of bilirubin on the development and electrical activity of neural circuits. Front Cell Neurosci 2023; 17:1136250. [PMID: 37025700 PMCID: PMC10070809 DOI: 10.3389/fncel.2023.1136250] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/06/2023] [Indexed: 04/08/2023] Open
Abstract
In the past several decades, bilirubin has attracted great attention for central nervous system (CNS) toxicity in some pathological conditions with severely elevated bilirubin levels. CNS function relies on the structural and functional integrity of neural circuits, which are large and complex electrochemical networks. Neural circuits develop from the proliferation and differentiation of neural stem cells, followed by dendritic and axonal arborization, myelination, and synapse formation. The circuits are immature, but robustly developing, during the neonatal period. It is at the same time that physiological or pathological jaundice occurs. The present review comprehensively discusses the effects of bilirubin on the development and electrical activity of neural circuits to provide a systematic understanding of the underlying mechanisms of bilirubin-induced acute neurotoxicity and chronic neurodevelopmental disorders.
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Wang Y, Xiong W, Sun X, Duan F, Lu K, Wang H, Wang M. Characteristics and prognostic analysis of simultaneous bilateral sudden sensorineural hearing loss. Front Neurol 2023; 14:1179579. [PMID: 37213906 PMCID: PMC10196351 DOI: 10.3389/fneur.2023.1179579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 04/19/2023] [Indexed: 05/23/2023] Open
Abstract
Objective To evaluate the clinical characteristics of simultaneous bilateral sudden sensorineural hearing loss (Si-BSSNHL) as well as its prognostic factors. Methods Patients with Si-BSSNHL who were admitted to the Department of Otology Medicine between December 2018 and December 2021 were enrolled in the case group. Propensity score matching (PSM) for sex and age was used to select the control group, which included people who had unilateral sudden sensorineural hearing loss (USSNHL) during the same time period. Hearing recovery, audiological examinations, vestibular function assessments, laboratory tests, and demographic and clinical manifestations were analyzed for intergroup comparisons. Binary logistic regressions were used for both univariate and multivariate analyses of Si-BSSNHL prognostic factors. Results Before PSM, the Si-BSSNHL and USSNHL groups differed significantly (p < 0.05) in terms of time from onset to treatment, initial pure-tone average (PTA), final PTA, hearing gain, audiogram curve type, proportion of tinnitus, high-density lipoprotein level, homocysteine level, and effective rate. After PSM, significant differences were also observed in time from onset to treatment, initial PTA, final PTA, hearing gain, total and indirect bilirubin levels, homocysteine level, and effective rate between the two groups (p < 0.05). There was a significant difference in the classification of therapeutic effects between the two groups (p < 0.001). For prognostic analysis, the audiogram curve type was significantly different between the effective group and the ineffective groups of Si-BSSNHL (p = 0.01), in which the sloping type was an independent risk factor for the prognosis of the right ear in Si-SSNHL (95% confidence interval, 0.006-0.549, p = 0.013). Conclusion Patients with Si-BSSNHL had mild deafness, elevated total and indirect bilirubin and homocysteine levels, and poorer prognosis than those with USSNHL. Audiogram curve type was linked to the therapeutic effect of Si-BSSNHL, and the sloping type was an independent risk factor for a poor prognosis in the right ear of Si-SSNHL.
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Affiliation(s)
- Yingjun Wang
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
- Shandong Institution of Otolaryngology, Jinan, China
| | - Wenping Xiong
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
- Shandong Institution of Otolaryngology, Jinan, China
| | - Xiao Sun
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
| | - Fujia Duan
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
| | - Kunpeng Lu
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
| | - Haibo Wang
- Department of Otology Center, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
| | - Mingming Wang
- Department of Otology Medicine, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
- Shandong Institution of Otolaryngology, Jinan, China
- *Correspondence: Mingming Wang,
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35
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Li R, Zhan W, Ren J, Gao X, Huang X, Ma Y. Associations between organophosphate esters concentrations and markers of liver function in US adolescents aged 12-19 years: A mixture analysis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120255. [PMID: 36155224 DOI: 10.1016/j.envpol.2022.120255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/31/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Liver disease has become a growing health burden, and little is known about the impairment of liver function caused by exposure to organophosphate esters (OPEs) in adolescents aged 12-19 years in the United States. To investigate the relationship between urinary metabolites of OPEs including diphenyl phosphate (DPHP), bis(1,3-dichloro-2-propyl) phosphate (BDCPP), bis(1-chloroethyl) phosphate (BCPP), bis(2-chloroethyl) phosphate (BCEP), and dibutyl phosphate (DBUP) and liver function in US adolescents aged 12-19 years. Liver function tests (LFTs) include aspartate aminotransferase (AST), albumin (ALB), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyl transferase (GGT), total bilirubin (TBIL), total protein (TP), and AST/ALT. Meanwhile, potential confounding and interaction effects were assessed. The study sample included 592 adolescents aged 12-19 from two consecutive NHANES cycles (2011-2012, 2013-2014). A composite statistical strategy combining traditional linear regression with advanced multi-pollutant models quantile based g-computation (QGC) and eXtreme Gradient Boosting (XGBoost) regression was used to analyze the joint effects of multiple OPEs on liver function indicators, and to describe the interaction between different OPEs in detail. 592 adolescent participants were 15 (14-17) years old, with similar numbers of males and females (304 vs. 288). The analysis results showed that (1) in the linear regression model, individual DPHP, BCEP exposure and ALP changes, BCEP and AST/ALT changes were positively associated. DPHP, BDCPP were negatively associated with TP changes. (2) The combined effects of various OPEs on ALB, ALT, ALP, GGT, TBIL, TP, and AST/ALT were statistically significant. (3) There is no potential interaction between different OPEs. Several OPEs and their combinations are closely related to the 8 LFT indicators. In addition, data suggest that exposure to OPEs in adolescents may be associated with liver damage. Due to limited evidence in the literature and potential limitations of the current study, our findings require more studies to confirm.
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Affiliation(s)
- Ruiqiang Li
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Wenqiang Zhan
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, PR China
| | - Jingyi Ren
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Xian Gao
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Xin Huang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China.
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Jayanti S, Moretti R, Tiribelli C, Gazzin S. Bilirubin Prevents the TH + Dopaminergic Neuron Loss in a Parkinson's Disease Model by Acting on TNF-α. Int J Mol Sci 2022; 23:ijms232214276. [PMID: 36430754 PMCID: PMC9693357 DOI: 10.3390/ijms232214276] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022] Open
Abstract
Parkinson's disease (PD), the fastest-growing movement disorder, is still challenged by the unavailability of disease-modifying therapy. Mildly elevated levels of unconjugated bilirubin (UCB, PubChem CID 5280352) have been shown to be protective against several extra-CNS diseases, and the effect is attributed to its well-known anti-oxidant and anti-inflammatory capability. We explored the neuroprotective effect of low concentrations of UCB (from 0.5 to 4 µM) in our PD model based on organotypic brain cultures of substantia nigra (OBCs-SN) challenged with a low dose of rotenone (Rot). UCB at 0.5 and 1 µM fully protects against the loss of TH+ (dopaminergic) neurons (DOPAn). The alteration in oxidative stress is involved in TH+ positive neuron demise induced by Rot, but is not the key player in UCB-conferred protection. On the contrary, inflammation, specifically tumor necrosis factor alpha (TNF-α), was found to be the key to UCB protection against DOPAn sufferance. Further work will be needed to introduce the use of UCB into clinical settings, but determining that TNF-α plays a key role in PD may be crucial in designing therapeutic options.
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Affiliation(s)
- Sri Jayanti
- The Liver-Brain Unit “Rita-Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163.5, Basovizza, 34149 Trieste, Italy
- Faculty of Medicine, University of Hasanuddin, Makassar 90245, Indonesia
- Molecular Biomedicine Ph.D. Program, Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Rita Moretti
- Neurology Clinic, Department of Medical, Surgical and Health Sciences, University of Trieste, 34139 Trieste, Italy
| | - Claudio Tiribelli
- The Liver-Brain Unit “Rita-Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163.5, Basovizza, 34149 Trieste, Italy
- Correspondence: ; Tel.: +39-040-375-7840
| | - Silvia Gazzin
- The Liver-Brain Unit “Rita-Moretti”, Fondazione Italiana Fegato-Onlus, Bldg. Q, AREA Science Park, ss14, Km 163.5, Basovizza, 34149 Trieste, Italy
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Shahrokhi SZ, Tehrani FSK, Salami S. Molecular mechanisms of bilirubin induced G1 cell cycle arrest and apoptosis in human breast cancer cell lines: involvement of the intrinsic pathway. Mol Biol Rep 2022; 49:10421-10429. [DOI: 10.1007/s11033-022-07757-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 11/24/2022]
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Yu FF, Yuan Y, Ao Y, Hua L, Wang W, Cao Y, Xi J, Luan Y, Hou S, Zhang XY. A New Product of Bilirubin Degradation by H 2O 2 and Its Formation in Activated Neutrophils and in an Inflammatory Mouse Model. Biomolecules 2022; 12:biom12091237. [PMID: 36139076 PMCID: PMC9496627 DOI: 10.3390/biom12091237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
Bilirubin (BR) is a tetrapyrrolic compound stemming from heme catabolism with diverse physiological functions. It can be oxidized by H2O2 to form several degradation products, some of which have been detected in vivo and may contribute to the pathogenesis of certain diseases. However, the oxidative degradation of BR is complex and the conditions that BR degradation occurs pathophysiologically remain obscure. Neutrophils are known to generate large amounts of reactive oxygen species, including H2O2, upon activation and they are mobilized to inflammatory sites; therefore, we hypothesized that activated neutrophils could cause BR degradation, which could occur at inflammatory sites. In the present study, we investigated BR degradation by H2O2 and identified hematinic acid (BHP1) and a new product BHP2, whose structure was characterized as 2,5-diformyl-4-methyl-1H-pyrrole-3-propanoic acid. An LC-MS/MS method for the quantitation of the two compounds was then established. Using the LC-MS/MS method, we observed the concentration-dependent formation of BHP1 and BHP2 in mouse neutrophils incubated with 10 and 30 μM of BR with the yields being 16 ± 3.2 and 31 ± 5.9 pmol/106 cells for BHP1, and 25 ± 4.4 and 71 ± 26 pmol/106 cells for BHP2, respectively. After adding phorbol 12-myristate 13-acetate, a neutrophil agonist, to 30 μM of BR-treated cells, the BHP1 yield increased to 43 ± 6.6 pmol/106 cells, whereas the BHP2 one decreased to 47 ± 9.2 pmol/106 cells. The two products were also detected in hemorrhagic skins of mice with dermal inflammation and hemorrhage at levels of 4.5 ± 1.9 and 0.18 ± 0.10 nmol/g tissue, respectively, which were significantly higher than those in the non-hemorrhagic skins. BHP2 was neurotoxic starting at 0.10 μM but BHP1 was not, as assessed using Caenorhabditis elegans as the animal model. Neutrophil-mediated BR degradation may be a universally pathophysiological process in inflammation and can be particularly important under pathological conditions concerning hemorrhage.
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Affiliation(s)
- Fei-Fei Yu
- Institute of Environmental Pollution and Health, School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
| | - Yao Yuan
- Shanghai Jiao Tong University-Hangzhou Future Sci-Tech City Joint Research Center for Tumor Immunotherapy, Hangzhou Innovation Institute for Systems Oncology, Hangzhou 311121, China
| | - Yan Ao
- Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Li Hua
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wu Wang
- Institute of Environmental Pollution and Health, School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
- Correspondence: (W.W.); (S.H.); (X.-Y.Z.)
| | - Yiyi Cao
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jing Xi
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yang Luan
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shangwei Hou
- Shanghai Jiao Tong University-Hangzhou Future Sci-Tech City Joint Research Center for Tumor Immunotherapy, Hangzhou Innovation Institute for Systems Oncology, Hangzhou 311121, China
- Correspondence: (W.W.); (S.H.); (X.-Y.Z.)
| | - Xin-Yu Zhang
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Correspondence: (W.W.); (S.H.); (X.-Y.Z.)
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Pranty AI, Shumka S, Adjaye J. Bilirubin-Induced Neurological Damage: Current and Emerging iPSC-Derived Brain Organoid Models. Cells 2022; 11:cells11172647. [PMID: 36078055 PMCID: PMC9454749 DOI: 10.3390/cells11172647] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/04/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022] Open
Abstract
Bilirubin-induced neurological damage (BIND) has been a subject of studies for decades, yet the molecular mechanisms at the core of this damage remain largely unknown. Throughout the years, many in vivo chronic bilirubin encephalopathy models, such as the Gunn rat and transgenic mice, have further elucidated the molecular basis of bilirubin neurotoxicity as well as the correlations between high levels of unconjugated bilirubin (UCB) and brain damage. Regardless of being invaluable, these models cannot accurately recapitulate the human brain and liver system; therefore, establishing a physiologically recapitulating in vitro model has become a prerequisite to unveil the breadth of complexities that accompany the detrimental effects of UCB on the liver and developing human brain. Stem-cell-derived 3D brain organoid models offer a promising platform as they bear more resemblance to the human brain system compared to existing models. This review provides an explicit picture of the current state of the art, advancements, and challenges faced by the various models as well as the possibilities of using stem-cell-derived 3D organoids as an efficient tool to be included in research, drug screening, and therapeutic strategies for future clinical applications.
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Eto E, Maeda Y, Sonoda N, Nakashima N, Kobayashi K, Takayanagi R, Ogawa Y, Inoguchi T. Association of serum total bilirubin levels with progressive renal decline and end-stage kidney disease: 10-year observational cohort study in Japanese patients with diabetes. PLoS One 2022; 17:e0271179. [PMID: 35819962 PMCID: PMC9275719 DOI: 10.1371/journal.pone.0271179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 06/24/2022] [Indexed: 11/18/2022] Open
Abstract
Objective Previous reports have demonstrated the association of serum bilirubin levels with the progression of diabetic nephropathy. The objective of this study is to assess the association of basal bilirubin levels with progressive renal decline (PRD) and end-stage kidney disease (ESKD). Methods A total of 298 patients with diabetes who visited Kyushu University Hospital (Japan) were recruited and followed up for 10 years. PRD was defined as a negative change in estimated glomerular filtration ratio (eGFR) >3.7%/year, 2.5th percentile. Logistic regression analysis was performed to evaluate the association of total bilirubin levels with PRD and its cut-off point was determined by receiver operating characteristic (ROC) analysis. Kaplan-Meier method and Cox hazard regression analysis were used to evaluate the predictive ability of its cut-off point for ESKD. Results Logistic regression model showed that total bilirubin levels were significantly associated with PRD, and ROC analysis showed that its cut-off point was 0.5 mg/dL. Kaplan-Meier method showed that the percent of patients who reached two endpoints, composite endpoint (ESKD or doubling of creatinine level) or 30% eGFR decline, was significantly higher in the low bilirubin group than in the high bilirubin group (18.5% vs 11.0%, P = 0.045; 49.1% vs 42.1%, P = 0.045, respectively, log-rank test). Cox hazard regression models confirmed the independence of the predictive ability of its cut-off point. Conclusions Serum total bilirubin levels were negatively associated with PRD in diabetic nephropathy and its cut-off point was 0.5 mg/dL. It may be clinically useful for identifying patients at high risk of ESKD.
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Affiliation(s)
- Erina Eto
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yasutaka Maeda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Noriyuki Sonoda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Naoki Nakashima
- Medical Information Center, Kyushu University Hospital, Fukuoka, Japan
| | - Kunihisa Kobayashi
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ryoichi Takayanagi
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Ogawa
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Toyoshi Inoguchi
- Fukuoka City Health Promotion Support Center, Fukuoka City Medical Association, Fukuoka, Japan
- * E-mail:
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Haga M, Kawabata K, Sumiya W, Kurita S, Imanishi T, Kanno C, Kanno M, Kanno M, Shimizu M. The Relationship between Serum Total Bilirubin and Severity of Hypoxic Injury in Neonatal Hypoxic-Ischemic Encephalopathy. Am J Perinatol 2022; 39:944-950. [PMID: 33091943 DOI: 10.1055/s-0040-1718879] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Bilirubin has been found to be a natural antioxidant protecting the body from oxidative stress. This study aims to investigate the severity of neonatal hypoxic injury on bilirubin levels to clarify the physiological role of bilirubin. STUDY DESIGN Using lactate as a biomarker for the severity of hypoxic injury, we retrospectively analyzed the association of admission lactate levels on serum total bilirubin (TB) levels following birth in neonates with hypoxic-ischemic encephalopathy (HIE). We created a univariate linear regression model to predict TB using the admission lactate level as a predictor. We also performed a multivariate linear regression analysis to predict TB with admission lactate levels that included phenobarbital cumulative dosage, admission hematocrit, and subgaleal hemorrhage as predictor variables. RESULTS A total of 86 patients were studied. Admission lactate levels had a significant negative effect on TB from admission to 3 days of life. The standardized regression coefficient for admission lactate on TB was -0.37 (admission), -0.42 (day 1), -0.32 (day 2), and -0.28 (day 3). A similar negative effect of admission lactate on TB levels was also observed in the multivariate linear regression model even after controlling for the other variables. CONCLUSION These results are consistent with the hypothesis that bilirubin functions as an antioxidant in vivo, and is consumed by scavenging free radicals in proportion to the severity of hypoxic injury. KEY POINTS · Lactate levels have a negative effect on serum TB levels in patients with neonatal HIE.. · Bilirubin might work as a natural antioxidant to protect the body from oxidative stress.. · Serum TB might be a marker for the severity of hypoxic injury..
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Affiliation(s)
- Mitsuhiro Haga
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan.,Department of Pediatrics, Saitama Medical Center, Kawagoe, Saitama, Japan
| | - Ken Kawabata
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Wakako Sumiya
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Saori Kurita
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Toshiyuki Imanishi
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Chika Kanno
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Masayuki Kanno
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Masami Kanno
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
| | - Masaki Shimizu
- Department of Neonatology, Saitama Children's Medical Center, Saitama, Saitama, Japan
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Blondel S, Strazielle N, Amara A, Guy R, Bain C, Rose A, Guibaud L, Tiribelli C, Gazzin S, Ghersi-Egea JF. Vascular network expansion, integrity of blood-brain interfaces, and cerebrospinal fluid cytokine concentration during postnatal development in the normal and jaundiced rat. Fluids Barriers CNS 2022; 19:47. [PMID: 35672829 PMCID: PMC9172137 DOI: 10.1186/s12987-022-00332-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 04/20/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Severe neonatal jaundice resulting from elevated levels of unconjugated bilirubin in the blood induces dramatic neurological impairment. Central oxidative stress and an inflammatory response have been associated with the pathophysiological mechanism. Cells forming the blood-brain barrier and the choroidal blood-CSF barrier are the first CNS cells exposed to increased plasma levels of unconjugated bilirubin. These barriers are key regulators of brain homeostasis and require active oxidative metabolism to fulfill their protective functions. The choroid plexus-CSF system is involved in neuroinflammatory processes. In this paper, we address the impact of neonatal hyperbilirubinemia on some aspects of brain barriers. We describe physiological changes in the neurovascular network, blood-brain/CSF barriers integrities, and CSF cytokine levels during the postnatal period in normobilirubinemic animals, and analyze these parameters in parallel in Gunn rats that are deficient in bilirubin catabolism and develop postnatal hyperbilirubinemia. METHODS Gunn rats bearing a mutation in UGT1a genes were used. The neurovascular network was analyzed by immunofluorescence stereomicroscopy. The integrity of the barriers was evaluated by [14C]-sucrose permeability measurement. CSF cytokine levels were measured by multiplex immunoassay. The choroid plexus-CSF system response to an inflammatory challenge was assessed by enumerating CSF leukocytes. RESULTS In normobilirubinemic animals, the neurovascular network expands postnatally and displays stage-specific regional variations in its complexity. Network expansion is not affected by hyperbilirubinemia. Permeability of the blood-brain and blood-CSF barriers to sucrose decreases between one- and 9-day-old animals, and does not differ between normobilirubinemic and hyperbilirubinemic rats. Cytokine profiles differ between CSF and plasma in all 1-, 9-, and 18-day-old animals. The CSF cytokine profile in 1-day-old animals is markedly different from that established in older animals. Hyperbilirubinemia perturbs these cytokine profiles only to a very limited extent, and reduces CSF immune cell infiltration triggered by systemic exposure to a bacterial lipopeptide. CONCLUSION The data highlight developmental specificities of the blood-brain barrier organization and of CSF cytokine content. They also indicate that a direct effect of bilirubin on the vascular system organization, brain barriers morphological integrity, and inflammatory response of the choroid plexus-CSF system is not involved in the alteration of brain functions induced by severe neonatal jaundice.
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Affiliation(s)
| | - Nathalie Strazielle
- Brain-i, Lyon, France
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Amel Amara
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Rainui Guy
- BIP Facility, Lyon Neurosciences Research Center, Bron, France
| | | | | | - Laurent Guibaud
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France
| | - Claudio Tiribelli
- Fondazione Italiana Fegato-Onlus, AREA Science Park, Basovizza, Trieste, Italy
| | - Silvia Gazzin
- Fondazione Italiana Fegato-Onlus, AREA Science Park, Basovizza, Trieste, Italy
| | - Jean-François Ghersi-Egea
- BIP Facility, Lyon Neurosciences Research Center, Bron, France.
- Fluid Team Lyon Neurosciences Research Center, INSERM U1028, CNRS UMR5292, Lyon University, Bron, France.
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Zhuang J, Hu J, Bei F, Huang J, Wang L, Zhao J, Qian R, Sun J. Exposure to air pollutants during pregnancy and after birth increases the risk of neonatal hyperbilirubinemia. ENVIRONMENTAL RESEARCH 2022; 206:112523. [PMID: 34929187 DOI: 10.1016/j.envres.2021.112523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 11/02/2021] [Accepted: 12/04/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES Exposure to air pollution is associated with increased risks of several adverse conditions in newborns, such as preterm birth. Whether air pollution is associated with neonatal hyperbilirubinemia remains unclear. We aimed to develop and validate an air-quality-based model to better predict neonatal hyperbilirubinemia. METHODS A multicenter, population-based cohort of neonates with a gestational age (GA) ≥35 weeks and birth weight ≥2000 g was enrolled in the study. The study was conducted in Shanghai, China, from July 2017 to December 2018. The daily average concentrations of particulate matter (PM) with aerodynamic diameters≤2.5 μm (PM2.5) and ≤10 μm (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2) and carbon monoxide (CO) were measured. Neonatal hyperbilirubinemia was diagnosed according to the American Academy of Pediatrics (AAP) guidelines by trained neonatologists. We used logistic least absolute shrinkage and selection operator (LASSO) regression to screen air pollutant indicators related to neonatal hyperbilirubinemia and build an air-quality signature for each patient. An air-quality-based nomogram was then established to predict the risk of neonatal hyperbilirubinemia. RESULTS A total of 11196 neonates were evaluated. Prenatal PM10, CO and NO2 exposure and postpartum SO2 exposure were significantly associated with neonatal hyperbilirubinemia. The air-quality score was calculated according to the hyperbilirubinemia-related pollutants. The air-quality score of the hyperbilirubinemia group was significantly higher than that of the nonhyperbilirubinemia group (P < .01, odds ratio = 2.97). An air-quality-based logistic regression model was built and showed good discrimination (C-statistic of 0.675 [95% CI (confidence interval), 0.658 to 0.692]) and good calibration. Decision curve analysis showed that the air-quality-based model was better than the traditional clinical model in predicting neonatal hyperbilirubinemia. CONCLUSIONS The findings of this study suggest that ambient air pollution exposure is associated with an increased risk of neonatal hyperbilirubinemia. Our results encourage further exploration of this possibility in future studies.
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Affiliation(s)
- Jialu Zhuang
- Department of Neonatology, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
| | - Jie Hu
- Department of Cardiothoracic Surgery, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
| | - Fei Bei
- Department of Neonatology, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
| | - Jiahu Huang
- Department of Pediatrics,Shanghai Children's Hospital, Shanghai Jiaotong University School of Medicine, 355 Luding Road, Shanghai, China.
| | - Liangjun Wang
- Department of Neonatology, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
| | - Junjie Zhao
- Department of Neonatology, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
| | - Ruiying Qian
- Department of Neonatology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, 3333 Bingsheng Road, Hangzhou, China.
| | - Jianhua Sun
- Department of Neonatology, Shanghai Children's Medical Center, National Children's Medical Center, Shanghai Jiaotong University School of Medicine, 1678 Dongfang Road, Shanghai, China.
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Theoretical (DFT) study on the hydroxylation mechanism of Sn(IV)porphyrin: How does Sn(IV)porphyrin inhibit heme oxygenase catalysis function. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Xiang S, Dong J, Li X, Li C. Urine Phthalate Levels and Liver Function in US Adolescents: Analyses of NHANES 2007–2016. Front Public Health 2022; 10:843971. [PMID: 35317511 PMCID: PMC8934389 DOI: 10.3389/fpubh.2022.843971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
Background Phthalates are non-persistent chemicals with endocrine-disrupting abilities widely used in a variety of consumer products. Evidence for the effects of phthalate exposure on liver function in adolescents is lacking. Methods Data were analyzed from the combined 2007–2016 National Health and Nutrition Examination Survey (NHANES). Ultimately, a total of 1,650 adolescents aged 12–19 years were selected as the samples. Weighted linear regression was used to investigate the effects of urinary phthalate metabolites on liver function indexes. Results Weighted Linear regression models showed that MCOP was negatively associated with TBIL (β = −0.0435, PFDR = 0.007), ΣDEHP (β = −0.0453, PFDR = 0.003) and MCOP (β = −0.0379, PFDR = 0.006) were negatively correlated with ALB, while MCPP was positively correlated with ALB (β = 0.0339, PFDR = 0.024), and MCOP was negatively correlated with TP (β = −0.0551; PFDR = 0.004). Conclusions Phthalate metabolites were significantly but weakly associated with changes in liver function indicators among US adolescents. Future work should further examine these relationships.
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Affiliation(s)
- Shiting Xiang
- Pediatrics Research Institute of Hunan Province, Hunan Children's Hospital, Changsha, China
| | - Jie Dong
- Pediatrics Research Institute of Hunan Province, Hunan Children's Hospital, Changsha, China
| | - Xun Li
- Pediatrics Research Institute of Hunan Province, Hunan Children's Hospital, Changsha, China
- *Correspondence: Xun Li
| | - Chao Li
- Department of Epidemiology and Medical Statistics, Xiangya School of Public Health, Central South University, Changsha, China
- Chao Li
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Zhang R, Bai Y, Wang R, Bai Z, Yang J, Chen Y, Li J, Xu L, Li S, Hu Y, Wang M, Cheng Z. Elevated serum bilirubin may significantly reduce coronary heart disease risk in females: A prospective cohort study. Nutr Metab Cardiovasc Dis 2022; 32:648-657. [PMID: 35123857 DOI: 10.1016/j.numecd.2021.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/08/2021] [Accepted: 12/15/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND AIMS There is still inconsistent evidence over the protective effect of total bilirubin on the development of coronary heart disease (CHD). Therefore, we aimed to investigate the association between bilirubin in population subtypes and the risks of CHD between different gender and menstruation subgroups. METHODS AND RESULTS In this prospective cohort study, 29,750 participants free of CHD with an average age of 47 ± 14 years were recruited at baseline; of these, 720 CHD first-attack cases were collected after 7-years of follow up. The covariate-adjusted Cox proportional hazards models were used to estimate hazard ratios (HRs) of CHD with 95% confidence intervals (CIs). The serum bilirubin concentration was quarterly stratified based on the distribution of healthy population without CHD onset. The HRs of incident CHD decreased with elevated bilirubin in females (ρ trend<0.05), but not males. In postmenopausal females, compared with the lowest quartile of total bilirubin, the adjusted HRs for the third and fourth quartiles were 0.64 (95% CI: 0.45, 0.93) and 0.59 (95% CI: 0.42, 0.86), the adjusted HRs in the third and fourth quartiles of direct bilirubin were 0.56 (0.39, 0.82) and 0.56 (0.38, 0.81), and for indirect bilirubin, corresponding HR in the highest quartile was 0.56 (0.38, 0.83). CONCLUSION Elevated serum bilirubin was inversely associated with adjusted HRs of CHD in females, especially postmenopausal females. The relationship between elevated direct bilirubin and reduced HRs of CHD may be closer than indirect bilirubin in postmenopausal females.
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Affiliation(s)
- Rui Zhang
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Yana Bai
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Ruonan Wang
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Zhao Bai
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Jingli Yang
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Yarong Chen
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Jing Li
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Lulu Xu
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Siyu Li
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Yujia Hu
- Department of Epidemiology and Statistics, School of Public Health, Lanzhou University, 199 Donggang West Street, Lanzhou, Gansu, 730000, China
| | - Mengmei Wang
- The Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Building 181, Grattan Street, Melbourne, VIC, 3010, Australia
| | - Zhiyuan Cheng
- School of Public Health and Emergency Management, Southern University of Science and Technology, 1088 Xueyuan Street, Shenzhen, 518055, China.
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Zanussi JT, Zhao J, Dorn CA, Liu G, Feng Q, Wei W, Mosley JD, Stein CM, Kawai VK. Identifying Potential Therapeutic Applications and Diagnostic Harms of Increased Bilirubin Concentrations: A Clinical and Genetic Approach. Clin Pharmacol Ther 2022; 111:435-443. [PMID: 34625956 PMCID: PMC8748314 DOI: 10.1002/cpt.2441] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 09/16/2021] [Indexed: 02/03/2023]
Abstract
Bilirubin has antioxidant and anti-inflammatory properties in vitro and in animal studies and protects against inflammatory, cardiovascular, and other diseases in observational studies; therefore, bilirubin has potential as a therapeutic agent. However, observational studies could be confounded by many factors. We used a genetic (n = 61,281) and clinical (n = 234,670) approach to define the association between bilirubin and 19 conditions with a putative protective signal in observational studies. We also tested if individuals with genetically higher bilirubin levels underwent more diagnostic tests. We used a common variant in UGT1A1 (rs6742078) associated with an 26% increase in bilirubin levels in the genetic studies. Carriers of the variant had higher bilirubin levels (P = 2.2 × 10-16 ) but there was no significant association with any of the 19 conditions. In a phenome-wide association study (pheWAS) to seek undiscovered genetic associations, the only significant finding was increased risk of "jaundice-not of newborn." Carriers of the variant allele were more likely to undergo an abdominal ultrasound (odds ratio = 1.04, [1.00-1.08], P = 0.03). In contrast, clinically measured bilirubin levels were significantly associated with 15 of the 19 conditions (P < 0.003) and with 431 clinical diagnoses in the pheWAS (P < 1 × 10-5 adjusted for sex, age, and follow-up). With additional adjustment for smoking and body mass index, 7 of 19 conditions and 260 pheWAS diagnoses remained significantly associated with bilirubin levels. In conclusion, bilirubin does not protect against inflammatory or other diseases using a genetic approach; the many putative beneficial associations reported clinically are likely due to confounding.
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Affiliation(s)
- Jacy T. Zanussi
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Juan Zhao
- Department of Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Chad A. Dorn
- Department of Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Ge Liu
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - QiPing Feng
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - WeiQi Wei
- Department of Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Jonathan D. Mosley
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - C. Michael Stein
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Vivian K. Kawai
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
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Sida acuta leaf extract attenuates oxidants-induced animal model of nephrotoxicity and hepatotoxicity. CLINICAL PHYTOSCIENCE 2022. [DOI: 10.1186/s40816-021-00336-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Curative potential of Sida acuta Burm. f. (Malvaceae) leaves on hepatotoxicity and nephrotoxicity induced by carbon tetrachloride (CCl4) and rifampicin was studied. This was aimed at providing a potent therapeutic alternative to conventional drugs in the management of liver and kidney diseases.
Methodology
Carbon tetrachloride (3 ml/kg bw) and rifampicn (250 mg/kg bw) were administered to induce liver and kidney damage in selected groups of albino rats. Graded doses of Sida acuta leaves extract as well as silymarin (200 mg/kg bw) were then post-administered to experimental animals placed into eight groups of five animals each. Biomarkers of oxidative stress such as lipid profile, alanine aminotransferase (ALT), aspartate aminotransferase (ALT), alkaline phosphatase (ALP), superoxide dismutase (SOD), catalase (CAT), urea, uric acid, bilirubin and malonidialdehyde (MDA) were determined. Histopathological observations of both renal and hepatic tissues of experimental animals were also performed.
Results
Animals exposed to CCl4 and rifampicin without treatment exhibited significant derangement in lipid profile, elevated levels of ALT, ALT, ALP, urea, uric acid, bilirubin and MDA in the serum and tissues homogenates. Superoxide dismutase and catalase activities were significantly inhibited while level of GSH was depleted. Following treatment with S. acuta extract, all deranged parameters including histological alterations were restored in a dose-dependent manner comparable to animals treated with silymarin.
Conclusion
Biochemical and histopathological data obtained from the present study confirmed that Sida acuta is a potential antioxidant plant that can be exploited in the management of liver and kidney dysfunctions.
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Dai C, Wang Z, Yang H, Xiao S, Xu J, Deng Z, Wu F, Wen X, Zheng Y, Lu L, Zhao N, Huang P, Zhou Y, Ran P. Association Between Serum Total Bilirubin and COPD: Results from a Cross-Sectional Study and a Bidirectional Mendelian Randomization Analysis. Clin Epidemiol 2022; 14:289-298. [PMID: 35299727 PMCID: PMC8922320 DOI: 10.2147/clep.s353389] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/25/2022] [Indexed: 11/23/2022] Open
Abstract
Background The potential protective role of serum total bilirubin (TB) for chronic obstructive pulmonary disease (COPD) is controversial. We aimed to investigate whether serum TB could prevent airflow limitation (reduce the risk of COPD) and whether these associations were causal or reversely causal. Methods We conducted a multi-center and cross-sectional study including 3069 participants. Logistic regression model (LRM) with restricted cubic spline (RCS) and priori defined quintile categories were used to assess the associations of TB with COPD. Besides, ordinary least squares (OLS) regression model with RCS curves were applied to assess the dose-response relationship between serum TB and airflow limitation (FEV1/FVC). To verify the causal direction between TB and COPD, a bidirectional Mendelian randomization analysis was carried out with GWAS data from European ancestry. Results In the cross-sectional study, the relationship between levels of TB and COPD risk was U shaped (P=0.001), and the low and high concentrations of TB apparently increasing the risk of COPD (OR 1.40, 95% CI 1.07 to 1.82 for less than 9 μmol/L; OR 1.36, 95% CI 1.06 to 1.76 for 9.01-1 0.88 μmol/L; OR 1.50, 95% CI 1.16 to 1.95 for more than 13 μmol/L). There was a significant non-linear relationship between TB and FEV1/FVC (non-linear p=0.004). Furthermore, results of bidirectional Mendelian randomization analysis (OR 1.000; 95% CI 0.983 to 1.017 for MR and OR 0.998; 95% CI 0.976 to 1.020 for reversal MR) did not support the causal effects between serum TB and FEV1/FVC after controlling the effect of potential confounders and revised causality. Conclusion Our study reveals that there was non-linear does-response pattern between serum TB and COPD. However, there was little evidence for the linear causal associations of serum TB with airflow limitation. The relationship of TB with COPD needs further study and careful interpretation.
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Affiliation(s)
- Cuiqiong Dai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Zihui Wang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Huajing Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Shan Xiao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Jianwu Xu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Zhishan Deng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Fan Wu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangzhou Laboratory, Bio-Island, Guangzhou, People’s Republic of China
| | - Xiang Wen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Youlan Zheng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Lifei Lu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Ningning Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Peiyu Huang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Yumin Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangzhou Laboratory, Bio-Island, Guangzhou, People’s Republic of China
| | - Pixin Ran
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangzhou Laboratory, Bio-Island, Guangzhou, People’s Republic of China
- Correspondence: Pixin Ran; Yumin Zhou, Tel +86-20 3710 3616, Fax +86-20 81340482, Email ;
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Shahrokhi SZ, Karami Tehrani FS, Salami S. Induction of cell apoptosis by biliverdin reductase inhibitor in MCF-7 and MDA-MB-468 breast cancer cell lines: Experimental and in silico studies. EXCLI JOURNAL 2021; 20:1502-1516. [PMID: 34924900 PMCID: PMC8678058 DOI: 10.17179/excli2021-4069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/15/2021] [Indexed: 01/03/2023]
Abstract
Biliverdin reductase, biliverdin and bilirubin are known as important components of cellular signaling pathways that play major roles in cell proliferation and apoptosis, although their physiological relevance is still under evaluation. This study was designed to investigate the expression and activity of BVR-A and its apoptotic effect in the breast cancer cell lines, MCF-7 and MDA-MB-468. The expression of BVR-A was examined by real-time PCR and western blot analysis. Bilirubin concentration was measured by HPLC and molecular docking was performed to identify an appropriate inhibitor for BVR-A. To detect cell apoptosis, annexin V-PI staining, caspase-3, -8, and -9 activities were evaluated. Cell viability was reduced by biliverdin, in a dose-dependent manner, and an intrinsic apoptotic response occurred which was evidenced by caspase-3 and -9 activities. The intra- and extracellular concentrations of bilirubin were higher in MCF-7 cells than those of MDA-MB-468 cells. The expression of BVR-A, at mRNA and protein levels, in MCF-7 was also higher than that of MDA-MB-468 cells. Treatment of both cell lines with biliverdin plus DTNB, a BVR-A inhibitor, increased the cell death significantly when compared with biliverdin alone. Using annexin V-PI staining and assessment of caspase-3 activity, it was confirmed that biliverdin together with DTNB increases apoptosis in breast cancer cells. In conclusion, biliverdin has an important role in cell apoptosis and inhibition of biliverdin reductase increases the apoptotic effect of biliverdin.
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Affiliation(s)
- Seyedeh Zahra Shahrokhi
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Siamak Salami
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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