Publications by authors named "ZhongGao Xu"

Objective: The oxidative balance score (OBS) is a comprehensive measure of oxidative stress that is calculated from the combined prooxidant and antioxidant scores of 16 dietary components and four lifestyle factors. This study aimed to evaluate the relationship between OBS and the risk of diabetic kidney disease (DKD) in individuals with Type 2 diabetes mellitus (T2DM).

Methods: Data were obtained from the NHANES.

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Aims: The present study aimed to explore the effect of different types of social isolation on post-traumatic growth (PTG) and its underlying mediating and moderating mechanisms.

Methods: This cross-sectional study recruited 274 patients undergoing hemodialysis between October and November 2022. Structural equation modeling was used to test the proposed relationships.

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Background: The relationship between selenium and renal function has always attracted widespread attention. Increased selenium level has been found to cause impaired renal function in our previous study, but the mechanism is not clear. In this study, we evaluate the potential mediating effects of plasma proteome in the association of selenium level and renal function to understand the mechanisms of selenium's effect on renal function.

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Article Synopsis
  • Hypokalemia (low potassium levels) has been linked to an increased risk of peritoneal dialysis (PD)-associated peritonitis, but this study investigates whether this association holds up when accounting for factors like malnutrition and other health conditions.
  • Researchers used a large national dataset to analyze the relationship between serum potassium levels and the occurrence of peritonitis, employing various statistical models to reduce bias between patients with and without hypokalemia.
  • Findings showed that while patients with potassium levels below 4.0 mmol/L had a higher incidence of peritonitis, when accounting for other variables, low potassium was not independently associated with a higher risk of peritonitis or treatment failure.
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Background: There is currently no research on the correlation between novel inflammatory indexes systemic immune-inflammation index (SII), neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and the risk of anemia in chronic kidney disease (CKD) population, as well as survival analysis in CKD with anemia.

Methods: This investigation encompassed 4444 adult subjects out of the National Health and Nutrition Examination Survey (NHANES) between 2005 and 2018. The study utilized multi-variable logistic regression to assess the relationship between SII, NLR, PLR, and anemia risk occurrence in CKD population.

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Diabetes mellitus (DM) is a significant public health problem. Diabetic kidney disease (DKD) is the most common complication of DM, and its incidence has been increasing with the increasing prevalence of DM. Given the association between DKD and mortality in patients with DM, DKD is a significant burden on public health resources.

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Introduction: IgA nephropathy (IgAN), a prevalent form of glomerulonephritis globally, exhibits complex pathogenesis. Cathepsins, cysteine proteases within lysosomes, are implicated in various physiological and pathological processes, including renal conditions. Prior observational studies have suggested a potential link between cathepsins and IgAN, yet the precise causal relationship remains unclear.

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Article Synopsis
  • Monoclonal gammopathy of renal significance (MGRS) includes disorders like proliferative glomerulonephritis with monoclonal immunoglobulin deposition (PGNMID), caused by abnormal protein production from B or plasma cells.
  • A 56-year-old man with symptoms like skin purpura and protein in urine was diagnosed with IgM kappa PGNMID and subacute interstitial nephritis after initial misdiagnosis.
  • His treatment, which involved hormonal therapy, led to a rare complication of nocardiosis dermatitis, and he opted against further treatment with rituximab, although his condition remains stable.
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Background: To explore the cut-off values of haemoglobin (Hb) on adverse clinical outcomes in incident peritoneal dialysis (PD) patients based on a national-level database.

Methods: The observational cohort study was from the Peritoneal Dialysis Telemedicine-assisted Platform (PDTAP) dataset. The primary outcomes were all-cause mortality, major adverse cardiovascular events (MACE) and modified MACE (MACE+).

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Background: Lupus nephritis (LN) is one of the most severe complications of systemic lupus erythematosus (SLE). However, the current management of LN remains unsatisfactory due to sneaky symptoms during early stages and lack of reliable predictors of disease progression.

Methods: Bioinformatics and machine learning algorithms were initially used to explore the potential biomarkers for LN development.

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Many studies have suggested that gut microbiota dysbiosis may be one of the pathogenesis factors of diabetes mellitus (DM), while it is not clear whether it is involved in the development of diabetic kidney diseases (DKD). The objective of this study was to determine bacterial taxa biomarkers during the progression of DKD by investigating bacterial compositional changes in early and late DKD. 16S rRNA gene sequencing was performed on fecal samples, including the diabetes mellitus (DM), DNa (early DKD), and DNb (late DKD) groups.

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Background: Systemic lupus erythematosus (SLE), a multisystemic autoimmune disease, is very aggressive in pediatric-onset patients as they are prone to develop lupus nephritis (LN). Although renal C4d positivity is correlated with the activity of renal disease and SLE in adult-onset LN patients, available information for pediatric-onset patients is limited.

Methods: To evaluate the potential diagnostic significance of renal C4d staining in pediatric LN patients, we retrospectively detected C4d staining by immunohistochemistry on renal biopsy specimens from 58 pediatric LN patients.

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The prevalence of depression in diabetes mellitus (DM) patients is very high, and it severely impacts the prognosis and quality of life of these patients. Sodium-glucose co-transporter 2 (SGLT2) inhibitors, a new type of oral hypoglycemic drugs, have been shown to alleviate depressive symptoms in DM patients; however, the mechanism underlying this effect is not well understood. The lateral habenula (LHb) plays an important role in the pathogenesis of depression expresses SGLT2, suggesting that the LHb may mediate antidepressant effects of SGLT2 inhibitors.

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Diabetic kidney disease (DKD) has become the leading cause of end-stage renal disease (ESRD), and the prevalence of DKD has increased worldwide during recent years. DKD is associated with poor therapeutic outcomes in most patients, but there is limited understanding of its pathogenesis. This review suggests that oxidative stress interacts with many other factors in causing DKD.

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Background: Nephrotic syndrome that is resistant to steroid therapy is termed refractory nephrotic syndrome (RNS), a condition that is associated with an increased risk of end-stage renal disease. Immunosuppressants are used to treat RNS; however, prolonged use may lead to significant adverse effects. Mizoribine (MZR) is a novel agent used in long-term immunosuppressive therapy, which has few adverse effects, but data on its long-term use in patients with RNS are unavailable.

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Shiga toxin-producing (STEC)-associated hemolytic uremic syndrome (STEC-HUS) is a clinical syndrome involving hemolytic anemia (with fragmented red blood cells), low levels of platelets in the blood (thrombocytopenia), and acute kidney injury (AKI). It is the major infectious cause of AKI in children. In severe cases, neurological complications and even death may occur.

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Background: Immunoglobulin light chain amyloidosis is a clonal, non-proliferative plasma cell disorder, in which fragments of immunoglobulin light chain are deposited in tissues. Clinical features depend on organs involved but can include restrictive cardiomyopathy, nephrotic syndrome, hepatic failure, peripheral/autonomic neuropathy, and atypical multiple myeloma. Membranous nephropathy (MN) is a group of diseases characterized by deposition of immune complexes under the epithelial cells of glomerular basement and diffuse thickening of the basement membrane.

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Background: Previous observational studies have shown that there is a controversial association between selenium levels and chronic kidney disease (CKD). Our aim was to assess the causal relationship between selenium levels and CKD using Mendelian randomization (MR) analysis.

Methods: We used the two-sample Mendelian randomization (MR) method to analyze the causal role of selenium levels on CKD risk.

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Article Synopsis
  • - The study aims to find diagnostic biomarkers for diabetic kidney disease (DKD), which is a major cause of chronic kidney issues, focusing on early detection to slow disease progression.
  • - Researchers analyzed gene expression data from various sources, identifying 95 differently expressed genes (DEGs) and applying machine learning techniques to pinpoint two key potential biomarkers, with strong diagnostic accuracy indicated by their ROC analysis scores.
  • - The study also investigated how these biomarkers are related to immune cell infiltration in DKD by using specific algorithms, further assessing the biomarkers through immunohistochemical staining of kidney tissues.
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Rationale: The causal relationship between anti-glomerular basement membrane (anti-GBM) disease and immunoglobulin A (IgA) nephropathy is still unclear and cases of concurrent anti-GBM disease and IgA nephropathy are very rare, especially with a good prognosis and long-term follow-up. Here, we report a case of concurrent anti-GBM disease and IgA nephropathy. By using corticosteroids and cyclophosphamide in combination with plasmapheresis, the patient achieved a very good prognosis with complete normalization of renal function and complete disappearance of hematuria and proteinuria at the subsequent follow-up.

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  • Long-term exposure to particulate air pollutants is known to increase mortality in hemodialysis patients, but little research has focused on the effects of short-term exposure.
  • A comprehensive study analyzed data from over 18,000 hemodialysis patient deaths across multiple hospitals and cities to investigate the relationship between short-term particulate matter exposure and mortality rates.
  • The results indicated that even a slight increase in particulate matter levels significantly raises daily mortality rates among hemodialysis patients, underscoring the need for improved air quality policies to protect vulnerable populations.
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Background: Anaemia is a common complication of end-stage renal disease (ESRD) that relies on dialysis. Hypoxia-inducible factor prolyl hydroxylase inhibitors (HIF-PHI) is a new class of small-molecule oral drugs for the treatment of anaemia in chronic kidney disease. They demonstrate several advantages over traditional exogenous erythropoietin (EPO).

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Introduction: Telemedicine (TM) has shown to provide potential benefits on clinical outcomes in patients with chronic kidney disease but limited evidences published in the peritoneal dialysis (PD) population. This study aimed to explore the long-term effects of TM on the mortality and technique failure.

Methods: The Peritoneal Dialysis Telemedicine-assisted Platform Cohort Study (PDTAP Study) was conducted prospectively in 27 hospitals in China since 2016.

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Diabetic nephropathy (DN) is one of the most serious complications of diabetes and the main cause of end-stage renal failure. Rhubarb is a widely used traditional Chinese herb, and it has exhibited efficacy in reducing proteinuria, lowering blood sugar levels and improving kidney function in patients with DN. However, the exact pharmacological mechanism by rhubarb improves DN remain unclear due to the complexity of its ingredients.

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Renal biopsy is the gold standard for Immunoglobulin A nephropathy (IgAN) but poses several problems. Thus, we aimed to establish a noninvasive model for predicting the risk probability of IgAN by analyzing routine and serological parameters. A total of 519 biopsy-diagnosed IgAN and 211 non-IgAN patients were recruited retrospectively.

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