Fig. 4.
![Fig. 4. The conversion of [14C] L-arginine to [14C] L-citrulline in transfected U937 cells. NOS cofactors were added to lysates of eNOS transfected, empty vector transfected, and untransfected U937 cells (see Materials and Methods). L-NMA (250 μmol/L) was added to or CaCl2 was omitted from some lysate preparations as indicated. Data are means ± SE (n = 3).](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/90/3/10.1182_blood.v90.3.1160/4/bl_0046f4.jpeg?Expires=1735824274&Signature=aC0c1lTkMGPSFqnoM8txzCn1aZWDVTyO2cDxxJFMjK~fEGNOoLS5lS1fDRbPwdy4hyhyp1CETVJsz0-7o3IkB8yWMwVDSK0rs5GlNtZuOChI42GiMfDirAvF0pjCBwLJenCV4We0OGbMpECB1mw~6zF7LYucm-t3Pm7O9aCrcfdQhIabbbFqq2o86N2TNobwQntRZPN2bRq3sv1CF6s7RAMsW1~0INOA2j1mIhPLt35terMuU9sg15iN86ngWYESCw~NvYzTbFLl50xJsmPfH6v8yanj87pXL65php1QPhTMyZnNc8NDOrX19MBU6n6C3HEjb262ATZU6Pft3NFTMw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
The conversion of [14C] L-arginine to [14C] L-citrulline in transfected U937 cells. NOS cofactors were added to lysates of eNOS transfected, empty vector transfected, and untransfected U937 cells (see Materials and Methods). L-NMA (250 μmol/L) was added to or CaCl2 was omitted from some lysate preparations as indicated. Data are means ± SE (n = 3).
