results bw was lower for the 5/6 nx group rats after the operations compared with the bw of those in the sham operation group. furthermore, the 5/6 nx group showed elevations in blood pressure, cr, bun, alt, and ast levels compared with the sham group over the course of time. conclusions in summary, ckd induced by the 5/6 nx model caused hypertension and increased serum levels of cr, bun, alt, ...