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Item Diet and Diabetic Kidney Disease: Plant Versus Animal Protein(Springer, 2017-03) Moorthi, Ranjani N.; Vorland, Colby J.; Hill Gallant, Kathleen M.; Medicine, School of MedicinePURPOSE OF REVIEW: The goal of this review is to present an overview of the evidence on the effectiveness of plant-based diets in delaying progression of diabetic kidney disease (DKD). RECENT FINDINGS: The ideal quantity of dietary protein has been a controversial topic for patients with DKD. Smaller studies have focused on protein source, plant versus animal, for preventing progression. Limited evidence suggests that dietary patterns that focus on plant-based foods, those that are lower in processed foods, or those that are lower in advanced glycation end products (AGE) may be useful in prevention of DKD progression. Increasing plant-based foods, incorporating diet patterns that limit processed foods, or potentially lowering AGE contents in diets may be beneficial for dietary management of DKD. However, dietary studies specifically targeted at DKD treatment are sparse. Further, large trials powered to assess outcomes including changes in kidney function, end-stage kidney disease, and mortality are needed to provide more substantial evidence for these diets.Item Immunotherapy with Injectable Hydrogels to Treat Obstructive Nephropathy(Wiley, 2014-07) Soranno, Danielle E.; Lu, Hoang D.; Weber, Heather M.; Rai, Reena; Burdick, Jason A.; Pediatrics, School of MedicineHydrogels are gaining attention as injectable vehicles for delivery of therapeutics for a range of applications. We describe self-assembling and injectable Dock-and-Lock hydrogels for local delivery of interleukin-10 (IL-10) to abate the progression of inflammation and fibrosis that leads to chronic kidney disease. As monitored with a fluorescent tag, hydrogels degraded within a few days in vitro and matched IL-10 release profiles; however, hydrogels remained in the kidney for up to 30 days in vivo. A unilateral ureteral obstruction (UUO) mouse model was used to investigate in vivo outcomes after hydrogel injection and IL-10 delivery. Eight groups were investigated (7, 21, 35 days, n = 4): healthy, sham, healthy injected with mouse serum albumin (MSA), healthy + hydrogel, UUO, UUO + IL-10, UUO + hydrogel, UUO + hydrogel/IL-10. 15 μL of IL-10, hydrogel, or hydrogel/IL-10 was injected under the renal capsule 3 days after the UUO. Immunohistochemistry (IHC) was performed on paraffin sections to identify macrophages and apoptotic cells and trichrome staining was used to evaluate fibrosis. There were no significant differences in inflammatory markers between all control groups. With hydrogel delivery, macrophage infiltration and apoptosis were significantly reduced at days 21 and 35 compared to untreated animals. By day 35, IL-10 delivery via hydrogel reduced macrophage infiltration and apoptosis more than IL-10 injection alone. Fibrosis was decreased by day 35 in all treatment groups. This work supports the use of hydrogel delivery of IL-10 to treat chronic kidney disease.