GLP1R and hydrops fetalis: T-RDN enhanced diuretic and natriuretic responses to GLP-1 in Sham + T-RDN group (urine flow at 20 min 106.5 ± 16.2 vs. 78.6 ± 4.4 μl/min/gkw, sodium excretion at 20 min 15.4 ± 3.0 vs. 10.9 ± 1.0 μEq/min/gkw, P < 0.01, n = 6–10, Fig. 5a, b) and HF + T-RDN group (urine flow at 20 min 93.0 ± 12.6 vs. 53.4 ± 4.3 μl/min/gkw, sodium excretion at 20 min 14.2 ± 1.6 vs. 7.4 ± 0.8 μEq/min/gkw, P < 0.01, n = 7–10, Fig. 5c, d).