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. 2021 Oct 25;12:759337. doi: 10.3389/fphar.2021.759337

FIGURE 5.

FIGURE 5

Pharmacokinetics of Anticalin proteins in mice. (A, B) The serum concentrations after i.v. administration of 1.2–2.0 mg per kg bodyweight of Anticalin or Duocalin proteins with or without HLE module in CD-1 mice were analyzed by ELISA (n = 3, mean ± S.D.). (A) Comparison of serum concentrations over time for OX40 or NGAL Anticalin proteins. (B) The serum concentrations of corresponding Duocalin proteins were plotted against the PK of OX40 Ac-ABD (left) or OX40 Ac-IgBD (right). (C) The plasma concentrations after i.v. administration of 5 mg/kg Anticalin equivalent of OX40 Ac, OX40 Ac-ABD and OX40 Ac-Fc in hSA/hFcRn double humanized mice were analyzed by ECLA (n = 3, mean ± S.D.).