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Preimplantation factor (PIF) sometimes styled PreImplantation Factor is a peptide secreted by trophoblast cells prior to placenta formation in early embryonic development. Human embryos begin to express PIF at the 4-cell stage, with expression increasing by the morula stage and continuing to do so throughout the first trimester. Expression of preimplantation factor in the blastocyst was discovered as an early correlate of the viability of the eventual pregnancy. Preimplantation factor was identified in 1994 by a lymphocyte platelet-binding assay, where it was thought to be an early biomarker of pregnancy. It has a simple primary structure with a short sequence of fifteen amino acids without any known quaternary structure. A synthetic analogue of preimplantation factor that has an identical amino acid sequence and mimics the normal biological activity of PIF has been developed and is commonly used in research studies, particularly those that aim to study potential adult therapeutics.   Wikipedia

  • SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H](NC(=O)[C@@H](N)CCSC)C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N1CCC[C@H]1C(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(O)=O)C(O)=O
  • InChIKey: GLXYOFXNKBTMQL-YKCHQESGSA-N
  • Mol. Mass: 1614.822
  • ALogP: Missing data
  • ChEMBL Molecules: Missing data
More Chemistry
  • Mechanisms of Action:
  • Multi-specific: No
  • Black Box: Missing data
  • Availability: Missing data
  • Delivery Methods: Missing data
  • Pro Drug: Missing data
preimplantation factor

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