Assessment of Morphological and Functional Changes in Organs of Rats after Intramuscular Introduction of Iron Nanoparticles and Their Agglomerates

Table 1

The indexes of Caspase-3 antigen expression (*) in spleen after an intramuscular introduction of iron nanoparticles in dosage of 2 mg/kg (in ).

Groups	Control	7 days after the first injection	7 days after the third injection	7 days after the seventh injection
	1.1 ± 0.08	2.1 ± 0.1	2.6 ± 0.05^**	2.9 ± 0.06^**

Data are presented as mean () ± standard error of the mean (SE) (); ^**results are statistically significant ( < 0.01).