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In pursuit of more effective‐labor delaying tocolytic agents, the prostaglandin F2α (PGF2α) receptor (FP) modulator PDC113.824 [(6S)‐2] represents a potent lead for developing therapy to treat preterm birth. Derivatives of… Click to show full abstract
In pursuit of more effective‐labor delaying tocolytic agents, the prostaglandin F2α (PGF2α) receptor (FP) modulator PDC113.824 [(6S)‐2] represents a potent lead for developing therapy to treat preterm birth. Derivatives of FP modulator (6S)‐2 were synthesized, possessing respectively 5‐ and 7‐hydroxyl groups on the indolizidin‐2‐one amino acid (I2aa) residue. The effects of the alcohol substituents were examined in a PGF2α‐induced myometrial contraction assay. Based on knowledge of dihedral angle values of model I2aa peptides from X‐ray analyses, the results of the study indicate respectively encouraging and limited potential for creating improved tocolytic agents by modifications at the 5‐ and 7‐positions.
Journal Title: Journal of Peptide Science
Year Published: 2022
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