Notes

Greater immunogenicity and also defense regarding recombinant Sm14 antigens simply by heat-killed Cutibacterium acnes within BALB/c rodents contaminated with Schistosoma mansoni.
Histone deacetylases (HDACs) are important epigenetic regulators that mediate deacetylation of both histone and non-histone proteins. HDACs, especially class I HDACs, are highly expressed in developing kidney and subject to developmental control. Upadacitinib HDACs play an important role in kidney formation, especial nephron progenitor maintenance and differentiation. Several lines of evidence support the critical role of HDACs in the development and progression of various kidney diseases. HDAC inhibitors (HDACis) are very effective in the prevention and treatment of kidney diseases (including kidney cancer). A better understanting of the molecular mechanisms underlying the role(s) of HDACs in the pathogenesis and progression of renal disease are likely to be of great help in developing more effective and less toxic selective HDAC inhibitors and combinatorial therapeutics.
In 2011, the IgG4-related kidney disease (IgG4-RKD) working group of the Japanese Society of Nephrology proposed diagnostic criteria for IgG4-RKD. The aim of the present study was to validate those criteria and develop a revised version.

Between April 2012 and May 2019, we retrospectively collected Japanese patients with kidney disease, for whom data on serum IgG4 values and/or immunohistological staining for IgG4 in renal biopsy samples were available. These patients were classified as IgG4-RKD or non-IgG4-RKD based on the diagnostic criteria for IgG4-RKD 2011, and the results were evaluated by expert opinion. Accordingly, we developed some revised versions of the criteria, and the version showing the best performance in the present cohort was proposed as the IgG4-RKD criteria for 2020.

Of 105 included patients, the expert panel diagnosed 55 as having true IgG4-RKD and 50 as mimickers. The diagnostic criteria for IgG4-RKD 2011 had a sensitivity of 72.7% and a specificity of 90.0% in this cohort. Of the 15 patients with true IgG4-RKD who were classified as non-IgG4-RKD, all lacked biopsy-proven extra-renal lesions, although many had clinical findings highly suggestive of IgG4-RD. The revised version to which "bilateral lacrimal, submandibular or parotid swelling, imaging findings compatible with type 1 autoimmune pancreatitis or retroperitoneal fibrosis" was added as an item pertaining to extra-renal organ(s) improved the sensitivity to 90.9% while the specificity remained at 90.0%.

The revised version has considerably improved test performance after addition of the new extra-renal organ item (imaging and clinical findings).
The revised version has considerably improved test performance after addition of the new extra-renal organ item (imaging and clinical findings).
To explore the clinical and pathological features of renal lesions in patients with kidney involvement in idiopathic hypereosinophilic syndrome (IHES).

The demographic, clinical, and pathological characteristics and the treatment and follow-up data were analyzed.

We identified 18 patients with IHES and renal involvement. Eleven patients presented with nephrotic syndrome, and 6 patients had impaired renal function. 15 patients underwent renal biopsy, and the pathological findings included the following membranoproliferative glomerulonephritis in 3 patients; minimal-change disease in 3; mesangial proliferative nephritis in two; IgA nephropathy in 2; membranous nephropathy in two; chronic interstitial nephritis in two; focal segmental sclerosis in one; and eosinophil infiltration into the renal interstitium in 11 and into the glomerulus in 3. After treatment with glucocorticoids, the eosinophil count decreased. 15 patients werefollowed up, and 14 showed a decrease in urinary protein or renal function recovery. When glucocorticoids were discontinued, eosinophil increased (8 cases), urine protein increased (1 case), and 1 patient progressed to end-stage renal disease.

Nephrotic syndrome with or without renal insufficiency is the main clinical manifestation. A wide spectrum of renal lesions can be observed in patients with IHES. Eosinophil infiltration into the renal interstitium was common in these patients. Most patients have a good prognosis after glucocorticoid therapy.
Nephrotic syndrome with or without renal insufficiency is the main clinical manifestation. A wide spectrum of renal lesions can be observed in patients with IHES. Eosinophil infiltration into the renal interstitium was common in these patients. Most patients have a good prognosis after glucocorticoid therapy.
The renoprotective effect of water intake remains unclear. We aimed to investigate the relationship between water intake and renal impairment in the Korean general population, focusing on individual differences in body fluid distribution and risk of chronic dehydration.

We conducted a cross-sectional analysis of the 2008-2017 Korea National Health and Nutrition Examination Survey (KNHANES). Adult participants who had body weight and serum creatinine data and had answered 24-h recall nutritional survey were included. Four water intake groups were defined by daily total water intake per body weight lowest (< 20mL/kg/day), low-moderate (20-29.9mL/kg/day), high-moderate (30-49.9mL/kg/day), and highest (≥ 50mL/kg/day). We assessed the risk of renal impairment (estimated glomerular filtration rate ≤ 60mL/min/1.73m
) according to water intake.

In total of 50,113 participants, 3.9% had renal impairment. The risk of renal impairment gradually decreased as water intake increased. After adjustment of sodium intake, the trend of renoprotective effect was remained in low-moderate and high-moderate water intake group compared to low intake group, whereas no significant impact was observed with the highest water intake due to concurrent intake of high sodium. In subgroup analysis, the renoprotective effect of water intake was significant in the participants with elderly, male and daily sodium intake over 2g/day.

High daily water intake is renoprotective. Our data may provide an important basis for determining the amount of water intake needed to prevent renal impairment, considering variations in body weight, body composition and risk of chronic dehydration.
High daily water intake is renoprotective. Our data may provide an important basis for determining the amount of water intake needed to prevent renal impairment, considering variations in body weight, body composition and risk of chronic dehydration.
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