Table 5. Body weight and serum calcium (Ca) in 3-mo old wild type (WT) and Cox2 KO mice infused with vehicle or PTH for 21 days.

Parameter	WT mice		Cox2 KO mice
	Vehicle (6)	PTH (7)	Vehicle (6)	PTH (7)
Start weight (g)	26.2 ± 0.31	26.1 ± 0.49	23.7 ± 0.23 b	24.1 ± 0.38 b
End weight (g)	28.9 ± 0.32	28.6 ± 0.48	26.4 ± 0.28 b	27.2 ± 0.27 c
Ca (mg/dl) at end	9.34 ± 0.18	11.3 ± 0.17 a	9.24 ± 0.13	11.4 ± 0.13 a

Data are means ± SEM for (n) mice.

^aSignificant effect of PTH, p<0.01.

^bSignificant effect of genotype, p<0.01,

^cp<0.05.