Figure 1.

General summary of the results of liquid chromatography tandem-mass spectrometry analysis of amniotic fluids. (A) Distribution of the Mw of all detected peptides. (B) Distribution of the pI of all detected peptides. (C) Distribution of the amino acids at the four cleavage sites of all detected peptides. (D) Mw of differentially expressed peptides in the amniotic fluid of PE vs. normal pregnancies. (E) pI of differentially expressed peptides. (F) Comparison of the amino acid profiles of the four cleavage sites in each of the differentially expressed peptide fragments. pI, isoelectric points; Mw, molecular weights; PE, preeclampsia.