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Fan J, Zhang J, Yang X, Jia M, Zhang B, Zhao W, Yuan H, Huang Y, Yu A, Ouyang G. Dyes-encapsulated metal-organic cage as fluorescence sensor array for the auxiliary differential diagnosis of MCD and FSGS in early renal disorders. Biosens Bioelectron 2025; 271:117057. [PMID: 39671963 DOI: 10.1016/j.bios.2024.117057] [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: 09/17/2024] [Revised: 12/03/2024] [Accepted: 12/08/2024] [Indexed: 12/15/2024]
Abstract
Both minimal change disease (MCD) and focal segmental glomerular sclerosis (FSGS) are the pathological types of primary nephrotic syndrome (PNS) and cannot be readily distinguished owing to their highly similar clinical presentations. Currently, methods for clinical MCD and FSGS diagnosis still rely on invasive renal biopsy which impede rapid and accurate diagnosis for timely treatment management. In this study, a novel diagnostic strategy by introducing the dyes with spironolactone structure into the metal-organic cage to construct three dye@MOCs composites has been developed and employed as fluorescence sensor array for assisting in the auxiliary differential diagnosis of MCD and FSGS based on the distinguishable biothiols in urine. Through the statistical analysis technique for the interpretation of response patterns, the weak fluorescent of dye@MOCs sensor array exhibited unique patterns of fluorescence enhancement when biothiols appeared, forming the unique "off-on" sensor array. Additionally, dye@MOCs sensor array exhibited excellent selectivity and good stability, indicating their potentially actual applications. Outstandingly, as an important example, it was demonstrated for the first time that dye@MOCs sensor array can be applied to the auxiliary differential diagnosis of MCD and FSGS patients based on the differentiable biothiols level in urine using non-invasively methods, potentially avoiding invasive renal biopsy diagnosis and overcoming the limitations of conventional urine examinations, illustrating its potential applications in the auxiliary differential diagnosis and research of related diseases in the forthcoming era. And moreover, this opens new avenues for reliable disease auxiliary diagnosis and differentiation, setting a new benchmark for accuracy and reliability in medical assessments.
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Affiliation(s)
- Jiayi Fan
- College of Chemistry, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China
| | - Jiaheng Zhang
- College of Chemistry, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China
| | - Xiaoqing Yang
- Department of Pediatrics, The First Affiliated Hospital of Henan University of CM, 19 Renmin Road, Zhengzhou, Henan, 450000, PR China
| | - Mengzhen Jia
- Department of Pediatrics, The First Affiliated Hospital of Henan University of CM, 19 Renmin Road, Zhengzhou, Henan, 450000, PR China
| | - Bing Zhang
- Department of Pediatrics, The First Affiliated Hospital of Henan University of CM, 19 Renmin Road, Zhengzhou, Henan, 450000, PR China
| | - Wuduo Zhao
- Center of Advanced Analysis and Gene Sequencing, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China
| | - Hang Yuan
- Center of Advanced Analysis and Gene Sequencing, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China
| | - Yanjie Huang
- Department of Traditional Chinese Medicine, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, 355 Luding Rd, Shanghai, 200062, PR China
| | - Ajuan Yu
- College of Chemistry, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China.
| | - Gangfeng Ouyang
- Center of Advanced Analysis and Gene Sequencing, Key Laboratory of Molecular Sensing and Harmful Substances Detection Technology, Zhengzhou University, Kexue Avenue 100, Zhengzhou, Henan, 450001, PR China
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Syreeni A, Dahlström EH, Smyth LJ, Hill C, Mutter S, Gupta Y, Harjutsalo V, Chen Z, Natarajan R, Krolewski AS, Hirschhorn JN, Florez JC, Maxwell AP, Groop PH, McKnight AJ, Sandholm N. Blood methylation biomarkers are associated with diabetic kidney disease progression in type 1 diabetes. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.11.28.24318055. [PMID: 39649605 PMCID: PMC11623717 DOI: 10.1101/2024.11.28.24318055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/11/2024]
Abstract
Background DNA methylation differences are associated with kidney function and diabetic kidney disease (DKD), but prospective studies are scarce. Therefore, we aimed to study DNA methylation in a prospective setting in the Finnish Diabetic Nephropathy Study type 1 diabetes (T1D) cohort. Methods We analysed baseline blood sample-derived DNA methylation (Illumina's EPIC array) of 403 individuals with normal albumin excretion rate (early progression group) and 373 individuals with severe albuminuria (late progression group) and followed-up their DKD progression defined as decrease in eGFR to <60 mL/min/1.73m2 (early DKD progression group; median follow-up 13.1 years) or end-stage kidney disease (ESKD) (late DKD progression group; median follow-up 8.4 years). We conducted two epigenome-wide association studies (EWASs) on DKD progression and sought methylation quantitative trait loci (meQTLs) for the lead CpGs to estimate genetic contribution. Results Altogether, 14 methylation sites were associated with DKD progression (P<9.4×10-8). Methylation at cg01730944 near CDKN1C and at other CpGs associated with early DKD progression were not correlated with baseline eGFR, whereas late progression CpGs were strongly associated. Importantly, 13 of 14 CpGs could be linked to a gene showing differential expression in DKD or chronic kidney disease. Higher methylation at the lead CpG cg17944885, a frequent finding in eGFR EWASs, was associated with ESKD risk (HR [95% CI] = 2.15 [1.79, 2.58]). Additionally, we replicated meQTLs for cg17944885 and identified ten novel meQTL variants for other CpGs. Furthermore, survival models including the significant CpG sites showed increased predictive performance on top of clinical risk factors. Conclusions Our EWAS on early DKD progression identified a podocyte-specific CDKN1C locus. EWAS on late progression proposed novel CpGs for ESKD risk and confirmed previously known sites for kidney function. Since DNA methylation signals could improve disease course prediction, a combination of blood-derived methylation sites could serve as a potential prognostic biomarker.
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Affiliation(s)
- Anna Syreeni
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Emma H. Dahlström
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Laura J. Smyth
- Molecular Epidemiology Research Group, Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Claire Hill
- Molecular Epidemiology Research Group, Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Stefan Mutter
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Yogesh Gupta
- Molecular Epidemiology Research Group, Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Valma Harjutsalo
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Zhuo Chen
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute and Beckman Research Institute of City of Hope; Duarte, CA, 91010, USA
| | - Rama Natarajan
- Department of Diabetes Complications and Metabolism, Arthur Riggs Diabetes & Metabolism Research Institute and Beckman Research Institute of City of Hope; Duarte, CA, 91010, USA
| | - Andrzej S. Krolewski
- Section on Genetics and Epidemiology, Research Division, Joslin Diabetes Center; Boston, MA, 02215, USA
- Department of Medicine, Harvard Medical School; Boston, MA, 02215, USA
| | - Joel N. Hirschhorn
- Programs in Metabolism and Medical & Population Genetics, Broad Institute, Cambridge, MA, USA
- Division of Endocrinology and Center for Basic and Translational Obesity Research, Boston Children’s Hospital, Boston, MA, USA
- Department of Pediatrics and Genetics, Harvard Medical School, Boston, MA, USA
| | - Jose C. Florez
- Department of Medicine, Harvard Medical School; Boston, MA, 02215, USA
- Programs in Metabolism and Medical & Population Genetics, Broad Institute, Cambridge, MA, USA
- Diabetes Unit and Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
| | | | - Alexander P. Maxwell
- Molecular Epidemiology Research Group, Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Per-Henrik Groop
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Amy Jayne McKnight
- Molecular Epidemiology Research Group, Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Niina Sandholm
- Folkhälsan Research Center, Helsinki, Finland
- Department of Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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Zhang W, Xiang C, Liu B, Hou F, Zheng Z, Chen Z, Suo L, Feng G, Gu J. The value of systemic immune inflammation index, white blood cell to platelet ratio, and homocysteine in predicting the instability of small saccular intracranial aneurysms. Sci Rep 2024; 14:24312. [PMID: 39414876 PMCID: PMC11484959 DOI: 10.1038/s41598-024-74870-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: 05/11/2024] [Accepted: 09/30/2024] [Indexed: 10/18/2024] Open
Abstract
Inflammation has a destructive effect on the homeostasis of the vascular wall, which is involved in the formation, growth, and rupture of human intracranial aneurysms (IAs) disease progression. However, inflammation-related markers have not been well studied in the risk stratification of unruptured IAs. The purpose of this study was to investigate the predictive value of serum inflammatory markers in the unstable progression of small saccular intracranial aneurysms (SIAs). This study retrospectively included 275 patients with small SIAs (aneurysm diameter less than or equal to 7 mm), to compare the level difference of serum inflammatory complex marker systemic immune-inflammatory index (SII), white blood cell to platelet ratio (WPR), and homocysteine (Hcy) in patients with stable (asymptomatic unruptured) and unstable (symptomatic unruptured, ruptured) small SIAs. 187 patients (68%) had aneurysm-related compression symptoms and rupture outcomes. In the multivariate logistic regression after adjusting for baseline differences, SII, WPR, and Hcy were independent risk factors for the instability of small SIAs, the prediction model combined with other risk factors (previous stroke history, aneurysm irregularity) showed good predictive ability for the instability of small SIAs, with an area under the curve of 0.905. In addition, correlation analysis showed that SII, WPR, and Hcy also had significant differences in patients with symptomatic unruptured and ruptured small SIAs, and higher inflammation levels often promoted the disease progression of small SIAs. Higher levels of SII, WPR and Hcy can be used as independent predictors of instability of small SIAs. As an economical and convenient biomarker, it is crucial for clinical treatment strategies of stable small SIAs.
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Affiliation(s)
- Wanwan Zhang
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, Henan, People's Republic of China
- Department of Clinical Medicine, Henan University, Kaifeng, Henan, People's Republic of China
| | - Chao Xiang
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Boliang Liu
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Fandi Hou
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Zhanqiang Zheng
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Zhongcan Chen
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Lina Suo
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Guang Feng
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, Henan, People's Republic of China.
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
| | - Jianjun Gu
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, Henan, People's Republic of China.
- Department of Neurosurgery, Henan Provincial People's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
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Heidari H, Lawrence DA. An integrative exploration of environmental stressors on the microbiome-gut-brain axis and immune mechanisms promoting neurological disorders. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2024; 27:233-263. [PMID: 38994870 DOI: 10.1080/10937404.2024.2378406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
The microbiome-gut-brain axis is altered by environmental stressors such as heat, diet, and pollutants as well as microbes in the air, water, and soil. These stressors might alter the host's microbiome and symbiotic relationship by modifying the microbial composition or location. Compartmentalized mutualistic microbes promote the beneficial interactions in the host leading to circulating metabolites and hormones such as insulin and leptin that affect inter-organ functions. Inflammation and oxidative stress induced by environmental stressors may alter the composition, distribution, and activities of the microbes in the microbiomes such that the resultant metabolite and hormone changes are no longer beneficial. The microbiome-gut-brain axis and immune adverse changes that may accompany environmental stressors are reviewed for effects on innate and adaptive immune cells, which may make host immunity less responsive to pathogens and more reactive to self-antigens. Cardiovascular and fluid exchanges to organs might adversely alter organ functionality. Organs, especially the brain, need a consistent supply of nutrients and clearance of debris; disruption of these exchanges by stressors, and involvement of gut microbiome are discussed regarding neural dysfunctions with Alzheimer's disease, autistic spectrum disorders, viral infections, and autoimmune diseases. The focus of this review includes the manner in which environmental stressors may disrupt gut microbiota leading to adverse immune and hormonal influences on development of neuropathology related to hyperhomocysteinemia, inflammation, and oxidative stress, and how certain therapeutics may be beneficial. Strategies are explored to lessen detrimental effects of environmental stressors on central and peripheral health navigated toward (1) understanding neurological disorders and (2) promoting environmental and public health and well-being.
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Affiliation(s)
- Hajar Heidari
- Department of Biomedical Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
| | - David A Lawrence
- Department of Biomedical Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
- Department of Environmental Health Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
- New York State Department of Health, Wadsworth Center, Albany, NY, USA
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Federici L, Masulli M, De Laurenzi V, Allocati N. The Role of S-Glutathionylation in Health and Disease: A Bird's Eye View. Nutrients 2024; 16:2753. [PMID: 39203889 PMCID: PMC11357436 DOI: 10.3390/nu16162753] [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: 07/29/2024] [Revised: 08/14/2024] [Accepted: 08/16/2024] [Indexed: 09/03/2024] Open
Abstract
Protein glutathionylation is a reversible post-translational modification that involves the attachment of glutathione to cysteine residues. It plays a role in the regulation of several cellular processes and protection against oxidative damage. Glutathionylation (GS-ylation) modulates protein function, inhibits or enhances enzymatic activity, maintains redox homeostasis, and shields several proteins from irreversible oxidative stress. Aberrant GS-ylation patterns are thus implicated in various diseases, particularly those associated with oxidative stress and inflammation, such as cardiovascular diseases, neurodegenerative disorders, cancer, and many others. Research in the recent years has highlighted the potential to manipulate protein GS-ylation for therapeutic purposes with strategies that imply both its enhancement and inhibition according to different cases. Moreover, it has become increasingly evident that monitoring the GS-ylation status of selected proteins offers diagnostic potential in different diseases. In this review, we try to summarize recent research in the field with a focus on our current understanding of the molecular mechanisms related to aberrant protein GS-ylation.
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Affiliation(s)
- Luca Federici
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’ Annunzio”, 66100 Chieti, Italy; (L.F.); (M.M.); (V.D.L.)
- CAST (Center for Advanced Studies and Technology), University “G. d’ Annunzio”, 66100 Chieti, Italy
| | - Michele Masulli
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’ Annunzio”, 66100 Chieti, Italy; (L.F.); (M.M.); (V.D.L.)
| | - Vincenzo De Laurenzi
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’ Annunzio”, 66100 Chieti, Italy; (L.F.); (M.M.); (V.D.L.)
- CAST (Center for Advanced Studies and Technology), University “G. d’ Annunzio”, 66100 Chieti, Italy
| | - Nerino Allocati
- Department of Innovative Technologies in Medicine and Dentistry, University “G. d’ Annunzio”, 66100 Chieti, Italy; (L.F.); (M.M.); (V.D.L.)
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Wang B, Li H, Wang N, Li Y, Song Z, Chen Y, Li X, Liu L, Chen H. The impact of homocysteine on patients with diabetic nephropathy: a mendelian randomization study. Acta Diabetol 2024:10.1007/s00592-024-02343-9. [PMID: 39105808 DOI: 10.1007/s00592-024-02343-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 07/15/2024] [Indexed: 08/07/2024]
Abstract
BACKGROUND/AIMS Homocysteine (Hcy) has been associated with an increased risk of diabetic nephropathy (DN) in patients, but there is still controversy. This study aims to investigate the causal relationship between plasma Hcy and DN. METHODS A Mendelian randomization (MR) study using data from 2 samples was employed to infer causal relationships. The aggregated genetic data associated with Hcy was derived from the largest genome-wide association study (GWAS) to date, involving 44,147 individuals of European ancestry.Data on SNP-diabetic nephropathy, creatinine, and urea nitrogen were obtained from the IEU GWAS database. The analysis method employed a fixed-effect or random-effect inverse variance-weighted approach to estimate effects.Additional analysis methods were used to assess stability and sensitivity. The potential for pleiotropy was evaluated using the MR-Egger intercept test. RESULTS Using 12 SNPs as instrumental variables, two-sample MR analysis revealed no evidence of a causal relationship between genetically predicted plasma Hcy levels and diabetic nephropathy, as well as creatinine and blood urea nitrogen levels. This finding is consistent with the results obtained from other testing methods. CONCLUSIONS Two-sample Mendelian Randomization analysis found no evidence of a causal relationship between plasma homocysteine levels and diabetic nephropathy, creatinine, or urea.
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Affiliation(s)
- Baiju Wang
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Han Li
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Na Wang
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Yuan Li
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Zihua Song
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Yajuan Chen
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Xiaobing Li
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China
| | - Lei Liu
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China.
| | - Hanwen Chen
- Department of General Medicine, Affiliated Hospital of Jining Medical University, 89 Guhuai Road, Rencheng District, Jining, 272029, Shandong, China.
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Cueto R, Shen W, Liu L, Wang X, Wu S, Mohsin S, Yang L, Khan M, Hu W, Snyder N, Wu Q, Ji Y, Yang XF, Wang H. SAH is a major metabolic sensor mediating worsening metabolic crosstalk in metabolic syndrome. Redox Biol 2024; 73:103139. [PMID: 38696898 PMCID: PMC11070633 DOI: 10.1016/j.redox.2024.103139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 03/26/2024] [Indexed: 05/04/2024] Open
Abstract
In this study, we observed worsening metabolic crosstalk in mouse models with concomitant metabolic disorders such as hyperhomocysteinemia (HHcy), hyperlipidemia, and hyperglycemia and in human coronary artery disease by analyzing metabolic profiles. We found that HHcy worsening is most sensitive to other metabolic disorders. To identify metabolic genes and metabolites responsible for the worsening metabolic crosstalk, we examined mRNA levels of 324 metabolic genes in Hcy, glucose-related and lipid metabolic systems. We examined Hcy-metabolites (Hcy, SAH and SAM) by LS-ESI-MS/MS in 6 organs (heart, liver, brain, lung, spleen, and kidney) from C57BL/6J mice. Through linear regression analysis of Hcy-metabolites and metabolic gene mRNA levels, we discovered that SAH-responsive genes were responsible for most metabolic changes and all metabolic crosstalk mediated by Serine, Taurine, and G3P. SAH-responsive genes worsen glucose metabolism and cause upper glycolysis activation and lower glycolysis suppression, indicative of the accumulation of glucose/glycogen and G3P, Serine synthesis inhibition, and ATP depletion. Insufficient Serine due to negative correlation of PHGDH with SAH concentration may inhibit the folate cycle and transsulfurarion pathway and consequential reduced antioxidant power, including glutathione, taurine, NADPH, and NAD+. Additionally, we identified SAH-activated pathological TG loop as the consequence of increased fatty acid (FA) uptake, FA β-oxidation and Ac-CoA production along with lysosomal damage. We concluded that HHcy is most responsive to other metabolic changes in concomitant metabolic disorders and mediates worsening metabolic crosstalk mainly via SAH-responsive genes, that organ-specific Hcy metabolism determines organ-specific worsening metabolic reprogramming, and that SAH, acetyl-CoA, Serine and Taurine are critical metabolites mediating worsening metabolic crosstalk, redox disturbance, hypomethylation and hyperacetylation linking worsening metabolic reprogramming in metabolic syndrome.
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Affiliation(s)
- Ramon Cueto
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Wen Shen
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA; Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, China
| | - Lu Liu
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Xianwei Wang
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Sheng Wu
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Sadia Mohsin
- Cardiovascular Research Center, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Ling Yang
- Medical Genetics & Molecular Biochemistry, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Mohsin Khan
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Wenhui Hu
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Nathaniel Snyder
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Qinghua Wu
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, China
| | - Yong Ji
- Key Laboratory of Cardiovascular Disease and Molecular Intervention, Nanjing Medical University, China
| | - Xiao-Feng Yang
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA; Cardiovascular Research Center, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA
| | - Hong Wang
- Center for Metabolic Disease Research, Lewis Kats School of Medicine, Temple University, Philadelphia, PA, USA.
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Wang Y, Yang J, Zhang Y, Zhou J. Focus on Mitochondrial Respiratory Chain: Potential Therapeutic Target for Chronic Renal Failure. Int J Mol Sci 2024; 25:949. [PMID: 38256023 PMCID: PMC10815764 DOI: 10.3390/ijms25020949] [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: 11/30/2023] [Revised: 12/26/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The function of the respiratory chain is closely associated with kidney function, and the dysfunction of the respiratory chain is a primary pathophysiological change in chronic kidney failure. The incidence of chronic kidney failure caused by defects in respiratory-chain-related genes has frequently been overlooked. Correcting abnormal metabolic reprogramming, rescuing the "toxic respiratory chain", and targeting the clearance of mitochondrial reactive oxygen species are potential therapies for treating chronic kidney failure. These treatments have shown promising results in slowing fibrosis and inflammation progression and improving kidney function in various animal models of chronic kidney failure and patients with chronic kidney disease (CKD). The mitochondrial respiratory chain is a key target worthy of attention in the treatment of chronic kidney failure. This review integrated research related to the mitochondrial respiratory chain and chronic kidney failure, primarily elucidating the pathological status of the mitochondrial respiratory chain in chronic kidney failure and potential therapeutic drugs. It provided new ideas for the treatment of kidney failure and promoted the development of drugs targeting the mitochondrial respiratory chain.
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Affiliation(s)
| | | | | | - Jianhua Zhou
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, China; (Y.W.); (J.Y.); (Y.Z.)
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