Table 3. Relative content of Col I in the renal glomeruli.

Group	Integrated optical density	Glomerular area (µm2)	Ratio
WT Con	22.36±6.13	3935.23±559.25	5.68±2.89
WT 5/6Nx	379.20±74.19	4587.13±683.52	82.67±39.76 aa
EP4+/− Con	29.79±16.46	3577.83±913.12	8.33±4.96
EP4+/−5/6Nx	126.66±23.12	3449.39±640.26	36.72±16.30 bbc

Compared with WT Con group,

^aP<0.05,

^aaP<0.01, compared with EP4^+/− Con group,

^bP<0.05,

^bbP<0.01, compared with WT 5/6Nx group,

^cP<0.05,

^ccP<0.01.