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Nitric Oxide Synthesis Metabolites-As Potential Markers in Chronic Kidney Disease in Children.

ABSTRACT: Nitric oxide (NO) is an important signaling molecule for many physiological and pathological processes. Diseases associated with abnormal NO synthesis include cardiovascular diseases, insulin-dependent diabetes, or chronic kidney disease (CKD). The aim of the paper was to evaluate NO synthesis metabolites, i.e., asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), dimethylamine (DMA), arginine, citrulline in plasma of patients with different severity of CKD and to seek possible links between these parameters and the development of this disease. Forty-eight CKD children and thirty-three age-matched controls were examined. Patients were divided into groups depending on the CKD stages (Group II-stage II, Group III-stage III, Group IV-stage IV, and Group RRT children on dialysis). To determine the concentrations of the above-mentioned metabolites in plasma liquid chromatography-mass spectrometry was used. There were significant differences observed in levels of ADMA, SDMA, DMA, and citrulline between control vis CKD groups (p values ranging from <0.001 to 0.029). Plasma arginine concentration was also higher in CKD patients compared to the control group but statistically insignificant. ADMA levels in CKD children were statistically significantly higher in relation to particular stages of CKD (RRT vis II stage of CKD: p = 0.01; RRT vis III-IV stages of CKD: p < 0.046). Citrulline levels in CKD children were statistically significantly higher in RRT group vis control (p < 0.001). Children with CKD develop disturbances in most metabolites of NO synthesis. Dialysis children treated show the greatest disturbances of plasma ADMA and citrulline levels. ADMA seems to be a good indicator of the gradual progression of the CKD, which is proved by the negative correlation with eGFR.

SUBMITTER: Piechowicz J

PROVIDER: S-EPMC9406431 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Nitric Oxide Synthesis Metabolites-As Potential Markers in Chronic Kidney Disease in Children.

Piechowicz Joanna J Gamian Andrzej A Chukwu Ositadima O Polak-Jonkisz Dorota D

Current issues in molecular biology 20220807 8

Nitric oxide (NO) is an important signaling molecule for many physiological and pathological processes. Diseases associated with abnormal NO synthesis include cardiovascular diseases, insulin-dependent diabetes, or chronic kidney disease (CKD). The aim of the paper was to evaluate NO synthesis metabolites, i.e., asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), dimethylamine (DMA), arginine, citrulline in plasma of patients with different severity of CKD and to seek possible ...[more]

PMID: 36005138

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Project description:In Brazil, the incidence and prevalence of CKD are increasing, the prognosis remains poor and the costs of treating the disease are very high. Added to this is the increase in the main risk factors for the development and progression of CKD, such as greater aging of the population, high prevalence of AH, DM, overweight, smoking and others, which suggests the continuation of CKD as a serious problem of public health. This situation requires prevention actions, early diagnosis of the disease and agile action in the face of the functional changes evidenced. Furthermore, there is a need to find ways to prevent the progression of the disease. A disturbing issue in nephrology practice is the observation that a significant number of CKD patients lose renal function asymptomatically. One of the reasons is late diagnosis and referral to dialysis. The main causes are: the fact that CKD is often asymptomatic, difficulty in diagnosis, tendency of doctors not to refer patients adequately, selection of patients with less morbidities to start dialysis, resistance of patients to treatment, deficient structure of the health system and lack of access to treatment. The consequences of late referral are reflected in greater morbidity, mortality, costs and worse quality of life. In this sense, it is important to search for new markers of the disease that allow early diagnosis, monitoring of progression and, eventually, improving response to treatment. Analyzing mechanisms underlying renal failure and identifying unique biomarkers (such as metabolite ratios) have the potential to increase our understanding of CKD and improve disease diagnosis and treatment algorithms. In this sense, this project can represent important progress in CKD proteomics research, based on complex information obtained from proteomics associated with basic medical information. New biomarkers are needed as non-invasive tools to aid the accurate diagnosis of kidney diseases with similar clinical characteristics but different prognosis. This project aims to investigate the proteomics of saliva from chronic kidney disease patients in the search for molecular markers that can be used in both the diagnosis and prognosis of the disease. So, for this, it was necessary to select healthy individuals and chronic kidney disease patients, and collect sociodemographic, behavioral, food consumption, clinical and anthropometric data from these individuals. Next, the mass spectrometry proteomics technique was performed on saliva samples and investigated molecules that could be used as markers of CKD and other associated comorbidities, in addition to evaluating whether any molecule could be indicative of the progression of CKD.

Dataset Information

Nitric Oxide Synthesis Metabolites-As Potential Markers in Chronic Kidney Disease in Children.

Publications

Nitric Oxide Synthesis Metabolites-As Potential Markers in Chronic Kidney Disease in Children.

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