“
“Aim: Interleukin-6 (IL-6) is secreted from adipose tissue and thought to contribute to obesity-related disorders. The aim of this study
was to assess if IL-6-knockout (IL-6-/-) mice would develop obesity-induced renal impairment. Methods: Wild-type (WT) and IL-6-/- mice were high-fat fed (HFF) for 16 weeks to induce obesity. At the end of the study, renal function was measured via albumin/creatinine ratio and serum creatinine levels, using enzyme-linked immunosorbent assay (ELISA) and high-performance liquid chromatography (HPLC). Glomerulosclerotic index (GSI) was scored in periodic acid Schiff-stained sections and collagen IV accumulation was assessed by immunohistochemistry. Renal cortical Rapamycin solubility dmso tumour growth factor beta (TGF-β1) activity and monocyte chemotactic protein-1 (MCP-1) levels were
measured via ELISA. Results: Renal IL-6 concentrations were increased with obesity. Although both WT HFF and IL-6-/- HFF mice exhibited renal impairment as measured by increased serum creatinine and urinary albumin/creatinine ratios, this was exacerbated in IL-6-/- mice. Obese mice had renal activation of cortical TGF-β1, which was also higher in IL-6-/- mice. Collagen IV staining was not affected by obesity. GSI was increased with obesity in both LY2606368 price WT and IL-6-/- mice. Conclusion: Obese IL-6-/- mice demonstrated renal functional and structural abnormalities above that seen in obese WT mice. We suggest that absence or low IL-6 levels may be an important accelerating factor implicated in the development and progression of obesity-induced
Elongation factor 2 kinase renal disease. “
“IgA nephropathy (IgAN) is recurrent after transplantation; however, its time of recurrence is unpredictable. To date, factors influencing IgAN recurrence have not been elucidated. We present a case of a 23-year-old man with end-stage renal disease (ESRD) who underwent living-related ABO-identical pre-emptive kidney transplantation (PEKT) using his 57-year-old mother as a donor. IgAN started when the patient was 19 years old, and renal biopsy revealed the usual pathological findings of IgAN. In spite of steroid therapy including steroid pulse and tonsillectomy, the patient developed nephrotic syndrome and progressed to ESRD in 4 years. Protocol biopsy on day 19 following PEKT revealed active recurrent IgAN. Nephrotic-range proteinuria and mild deterioration of kidney function developed regardless of strong immunosuppressive therapy such as steroid pulse, double filtration plasmapheresis and rituximab. We report a case of refractory IgAN that recurred 19 days after transplantation. This case is considered of value to elucidate factors leading to active IgAN recurrence. IgA nephropathy (IgAN) is the most common primary glomerulonephritis that causes end-stage renal disease (ESRD) in 20–40% of patients.[1] The success rate of kidney transplantation for patients with IgAN-induced ESRD was believed to be good.