TABLE 1.

Effect of GW3965 on ⁴⁵CA release in neonatal mouse calvaria

Data are expressed as % release of ⁴⁵Ca in 5 days of culture (means ± S.E., n = 5–6).

Test substance	% release of 45Ca
Control	100 ± 7
GW3965 10−6m	78 ± 5
ATRA 10−7m	187 ± 17
ATRA + GW3965	161 ± 22
1,25-Dihydroxyvitamin D3 10−8m	161 ± 19
1,25-Dihydroxyvitamin D3 + GW3965	165 ± 18