2.2. Methods
2.2.1. Laboratory investigations
At the time of sacrifice (6 weeks), blood samples were
taken from the retro-orbital vein into heparinized tubes,
and transferred to the Biochemistry Department, Faculty
of Medicine, Cairo University, to detect the levels of blood
urea nitrogen (BUN) and serum creatinine to assess the
kidney function.
2.2.2. Histological examination
Kidney specimens from rats sacrificed after 5 days were
collected, processed, and immunostained with anti-CD34