Table I.

Angiopoietin (ANGPT) and progesterone levels in media from acute (24 h) culture at 20% O₂ of macaque granulosa cells collected before (non-luteinized) or after (luteinized) administration of an hCG bolus in controlled ovarian stimulation cycles.

Granulosa cells	ANGPT-1 (pg/ml)	ANGPT-2 (pg/ml)	Progesterone (ng/ml)
Luteinized
Control	39 ± 2	944 ± 438	923 ± 385b,d
LH	39 ± 2	1480 ± 1675	1380 ± 397b,d
Non-luteinized
Control	36 ± 2a	906 ± 780	68 ± 50b,e
LH	39 ± 2	527 ± 991	482 ± 276c,e

^aLimit of assay detection.

^b,cDifferent letters indicate significant differences(P < 0.05) in progesterone levels between treatments with the same cell type.

^d,eDifferent letters indicate significant differences(P < 0.05) in progesterone levels between cell types with the same treatment.