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Comparative pharmacology of a new recombinant FSH expressed by a human cell Line

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Vis graf over relationer

Recombinant FSH proteins are important therapeutic agents for the treatment of infertility, including follitropin alfa expressed in Chinese Hamster Ovary (CHO) cells and, more recently, follitropin delta expressed in the human cell line PER.C6. These recombinant FSH proteins have distinct glycosylation, and have distinct pharmacokinetic and pharmacodynamic profiles in women. Comparative experiments demonstrated that follitropin delta and follitropin alfa displayed the same in vitro potency at the human FSH receptor, but varied in their pharmacokinetics in mouse and rat. While follitropin delta clearance from serum depended in part on the hepatic asialoglycoprotein receptor (ASGP-R), follitropin alfa clearance was unaffected by ASGP-R inhibition in rat or genetic ablation in mice. The distinct properties of follitropin delta and follitropin alfa are likely to contribute to the differing pharmacokinetic and pharmacodynamic profiles observed in women and to impact their efficacy in therapeutic protocols for the treatment of infertility.

OriginalsprogEngelsk
TidsskriftEndocrine Connections
Vol/bind6
Udgave nummer5
Sider (fra-til)297-305
ISSN2049-3614
DOI
StatusUdgivet - 2017

ID: 50288581