The main characteristics of each study with the proteins affected in patients in PTL compared to normal individual.

Index:

(S)PTB = (Spontaneous) Preterm birth.

1D-GE  = 1D gel electrophoresis.

2D-CF  = 2D chromatographic fractionation.

2D-LC  = 2D liquid chromatography.

2D-DIGE = Fluorescence two-dimensional differential gel electrophoresis.

2D-GE/2DE  = 2D (gel) electrophoresis.

AF = Amniotic fluid.

AFC = Amniotic fluid culture.

AMBP = Alpha-1-microglobulin/bikunin precursor.

APO  = Apolipoprotein.

CF = Cervical fluid.

cLC = Capillary liquid chromatography.

CVF = Cervical-vaginal fluid.

DSCR2 = Down syndrome critical region protein 2.

ELISAs = Enzyme-linked immunosorbent assays.

EOI-TOFMS = Electrospray-ionization, time-of-flight mass spectrometry.

ESI-IT MS = Electrospray ionization-ion trap mass spectrometry.

FPLC = Fast protein liquid chromatography.

HNP = Human neutrophil protein.

HP8 =  Human peptide 8.

HPLC = High performance liquid chromatography.

IAI = Intra-amniotic infection/inflammation.

IGFBP-1 =  Insulin-like growth factor binding protein-1.

IL = Interleukin.

ITIH4 =  Inter-alpha-trypsin inhibitor heavy chain 4.

iTRAQ = Isobaric tag for relative and absolute quantitation.

LC-MS/MS = Liquid chromatography – tandem mass spectrometry.

LTBP1 =  Latent-transforming growth factor β-binding protein isoform 1L.

LTF = Growth-inhibiting protein 12/Lactoferrin.

MALDI-TOF = Matrix-assisted laser desorption time-of-flight.

MHC = Major histocompatibility complex.

MRM = Multiple reaction monitoring.

MS = Mass spectrometry.

N/A =  Not Applicable.

N = Number of participants.

OGN = Mimecan precursor.

PANTHER = Protein analysis through evolutionary relationships.

PPROM = preterm premature/(pre-labour) rupture of membranes.

PT = Placental tissue.

PTB = Preterm birth.

PTL = Preterm labour.

RBC = Red blood cell.

RETN = Resistin.

RP-HPLC = Reversed-phase high performance liquid chromatography.

SCX chromatography column = Strong cation exchange column.

SD = Standard deviation.

SDS-PAGE = Sodium dodecyl sulfate-polyacrylamide gel electrophoresis.

SELDI TOF = Surface-enhanced laser desorption ionization time-of-flight.

SILAP = Stable isotope labeled proteome.

SLPI = Antileukoproteinase.

SRY = Sex determining region Y.

TMSL3 =  Thymosin-like 3.

TPMsk1 =  Tropomyosin sk1 fragment.

WB = Western nlotting.

WBC = White blood cells.