Table 2.

Gene expression of integrins is lower in aged muscle

	10 mo		30 mo
	CON (n = 7)	CCL (n = 8)	CON (n = 7)	CCL (n = 8)
ITGA7	3.5 ± 0.3	2.7 ± 0.3	2.2 ± 0.2*	2.6 ± 0.4*
ITGB1	30.9 ± 1.7	26.7 ± 3.1	20.7 ± 3.4*	20.4 ± 4.2*
ITGB2	20.7 ± 5.8	41.9 ± 6.4†	12.2 ± 3.3*	9.9 ± 4.0*
ITGB5	11.6 ± 3.0	5.7 ± 1.5	2.2 ± 0.7*	2.1 ± 0.8*

Data presented as mean ± SE. Values are expressed as arbitrary units normalized to geometric mean. CCL, cyclic compressive loading; CON, control.

^*Significant (P < 0.05) main effect for age;

^†significant effect (P < 0.05) of CCL within age.