Review Article

Endogenous Glucagon-Like Peptide-1 as a Potential Mediator of the Resolution of Diabetic Kidney Disease following Roux en Y Gastric Bypass: Evidence and Perspectives

Table 2

Summary of the effect of GLP-1 based therapy on renal injury in preclinical models of diabetes.

Drug classDrugCitationModelSummary of key findings

GLP-1 analogue Liraglutide Fujita et al., 2014 [66]STZ in male rats ± 0.6 mg/kg/day for 4 weeksInhibition of albuminuria in combination with reduced oxidative stress and fibrosis
Liraglutide Ojima et al., 2013 [68]KK/Ta Akita male mice, 200 ug/kg/day for 4 weeks from 8 to 12 weeksAdenylate cyclase dependent decrease in albuminuria, histopathological changes, and oxidative stress

GLP-1 receptor
agonists
Exendin-4 Kodera et al., 2011 [69]STZ in male rats ± continuous infusion of 0.5 ug/kg for 2 weeksInhibition of albuminuria in combination with reduced oxidative stress and histopathological changes
Exendin-4 Park et al., 2007 [70]STZ in male rats ± 10 ug/kg/day for 4 weeksReduced albuminuria and hyperfiltration in association with reduced histopathological change and attenuated inflammation, oxidative stress, and fibrosis
Exendin-4 Liu et al., 2012 [71]db/db male mice ± 0.5 or 1 nmol/kg/day for 8 weeks from 8 to 16 weeksReduced albuminuria in association with attenuated histopathological change, inflammation, and oxidative stress

DPP-IV inhibitorsPKF-275-055 Alter et al., 2012 [73]STZ in male rats ± 4 mg/kg/day for 8 weeksReduced albuminuria in association with improved histopathology and evidence of anti-inflammatory effect
NWT-03 egg protein hydrolysate Mega et al., 2011 [74]Male ZDF rats ± 1 g/kg/day for 15 weeks from 10 to 25 weeksReduced albuminuria, oxidative stress, and glomerulosclerosis
Sitagliptin Kawasaki et al., 2014 [76]Male ZDF rats ± 10 mg/kg/day for 6 weeks from 20 to 26 weeksReduced uraemia and glomerulosclerosis
Vildagliptin Kodera et al., 2014 [72]STZ in male rats ± 4 or 8 mg/kg/day for 24 weeksReduced albuminuria, improved creatinine clearance, and less evidence of glomerular and interstitial fibrosis
Linagliptin Wang et al., 2012 [75]STZ in male eNOS KO mice ± 3 mg/kg/day for 12 weeksReduced albuminuria and glomerulosclerosis when in combination with an angiotensin receptor blocker