Antibody against a novel, myriocin (ISP-I)-Based immunosuppressant, FTY720
摘要:
An antibody was prepared by immunizing rabbits with an ovalbumin conjugate of 2-amino-2-(2-(4-(4-mercaptobutyl)phenyl)ethyl)propane- 1,3-diol HCl (AMPD-4), which contains the essential structure of the novel immunosuppressant FTY720. As the antibody reacted to not only AMPD-4, but also FTY720, it should be useful for immunoassay of FTY720 in body fluids, tissues and cells. (C) 2000 Elsevier Science Ltd. All rights reserved.
Preparation of antibodies against a novel immunosuppressant, FTY720, and development of an enzyme immunoassay for FTY720
摘要:
FTY720 (1) is a novel immunosuppressant (immunomodulator), derived from ISP-1 (2: myriocin and thermozymocidin). To clarify the pharmacokinetic properties of 1, antibodies against 1 were prepared and a competitive enzyme immunoassay (EIA) was developed. Two kinds of haptens, 3 and 4, for 1 were synthesized and coupled to ovalbumin (OVA). Rabbits were immunized with 3-OVA or 4-OVA, and corresponding antibodies were obtained. Both antibodies recognized the 2-amino-2-(2-phenylethyl)propane-1,3-diol moiety in 1. Using the anti-3-OVA antibody, a competitive EIA for 1 was developed and evaluated. The range of quantification by the EIA was 0.06-10 ng/mL. The application of the EIA has enabled us to measure the FTY720 concentration in serum after oral administration of I (I mg/kg) to rats. (c) 2006 Elsevier Ltd. All rights reserved.
An antibody was prepared by immunizing rabbits with an ovalbumin conjugate of 2-amino-2-(2-(4-(4-mercaptobutyl)phenyl)ethyl)propane- 1,3-diol HCl (AMPD-4), which contains the essential structure of the novel immunosuppressant FTY720. As the antibody reacted to not only AMPD-4, but also FTY720, it should be useful for immunoassay of FTY720 in body fluids, tissues and cells. (C) 2000 Elsevier Science Ltd. All rights reserved.
US5739376A
申请人:——
公开号:US5739376A
公开(公告)日:1998-04-14
Preparation of antibodies against a novel immunosuppressant, FTY720, and development of an enzyme immunoassay for FTY720
FTY720 (1) is a novel immunosuppressant (immunomodulator), derived from ISP-1 (2: myriocin and thermozymocidin). To clarify the pharmacokinetic properties of 1, antibodies against 1 were prepared and a competitive enzyme immunoassay (EIA) was developed. Two kinds of haptens, 3 and 4, for 1 were synthesized and coupled to ovalbumin (OVA). Rabbits were immunized with 3-OVA or 4-OVA, and corresponding antibodies were obtained. Both antibodies recognized the 2-amino-2-(2-phenylethyl)propane-1,3-diol moiety in 1. Using the anti-3-OVA antibody, a competitive EIA for 1 was developed and evaluated. The range of quantification by the EIA was 0.06-10 ng/mL. The application of the EIA has enabled us to measure the FTY720 concentration in serum after oral administration of I (I mg/kg) to rats. (c) 2006 Elsevier Ltd. All rights reserved.