Preterm birth is a multifactorial and heterogeneous clinical entity that accounts for the birth of 4.5 million premature infants worldwide. Prematurity accounts for 75% of all infant mortality and 50% of long-term neurological handicaps, including blindness, deafness, developmental delay, cerebral palsy, and chronic lung disease. However, not all premature infants have a poor outcome. Correct and early identification of the pregnancy at risk for preterm delivery and poor neonatal outcome is critical for development of educated therapies. We hypothesize that women who are destined to deliver preterm express cervicovaginal biomarkers several weeks or months prior to their clinical presentation that can be reliably identified using proteomics tools coupled with novel mathematical algorithms for post-experimental data analysis. Our goals are to identify proteomic profiles that are predictive for pregnancy complications such as preterm labor or preterm premature rupture of the membranes (pPROM) and should pPROM occur of intra-amniotic inflammation. This approach may in the future guide clinical practice in preventing prematurity and hence adverse pregnancy outcome. To accomplish these objectives, three specific aims over five years will be pursued: (1) To identify reliable proteomic biomarkers for early diagnosis of impending PTD due to PTL or pPROM; (2) To identify cervicovaginal biomarkers that will reliably diagnose pPROM; (3) To identify a proteomic profile in the cervicovaginal secretions of women with pPROM that is predictive of intra-amniotic inflammation. The identification and classification in advance of patients destined to deliver preterm may outline subgroups of patients in whom trials of various interventions might be undertaken without the contamination of the trial with patients who will respond to placebo. Further, the new directions provided by future identification of multiple biomarkers are likely to lead to pathology specific treatments. ? ?

Agency
National Institute of Health (NIH)
Institute
Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD)
Type
Research Project (R01)
Project #
5R01HD047321-02
Application #
6934597
Study Section
Human Embryology and Development Subcommittee 1 (HED)
Program Officer
Ilekis, John V
Project Start
2004-08-10
Project End
2009-05-31
Budget Start
2005-06-01
Budget End
2006-05-31
Support Year
2
Fiscal Year
2005
Total Cost
$367,875
Indirect Cost
Name
Yale University
Department
Obstetrics & Gynecology
Type
Schools of Medicine
DUNS #
043207562
City
New Haven
State
CT
Country
United States
Zip Code
06520
Dulay, Antonette T; Buhimschi, Catalin S; Zhao, Guomao et al. (2015) Amniotic Fluid Soluble Myeloid Differentiation-2 (sMD-2) as Regulator of Intra-amniotic Inflammation in Infection-induced Preterm Birth. Am J Reprod Immunol 73:507-21
Dulay, Antonette T; Buhimschi, Irina A; Zhao, Guomao et al. (2015) Compartmentalization of acute phase reactants Interleukin-6, C-Reactive Protein and Procalcitonin as biomarkers of intra-amniotic infection and chorioamnionitis. Cytokine 76:236-243
Wang, Xiaowei; Buhimschi, Catalin S; Temoin, Stephanie et al. (2013) Comparative microbial analysis of paired amniotic fluid and cord blood from pregnancies complicated by preterm birth and early-onset neonatal sepsis. PLoS One 8:e56131
Buhimschi, Irina A; Nayeri, Unzila A; Laky, Christine A et al. (2013) Advances in medical diagnosis of intra-amniotic infection. Expert Opin Med Diagn 7:5-16
Buhimschi, Irina A (2012) Using SELDI-TOF mass spectrometry on amniotic fluid and for clinical proteomics and theranostics in disorders of pregnancy. Methods Mol Biol 818:171-97
Rosenberg, Victor A; Buhimschi, Irina A; Dulay, Antonette T et al. (2012) Modulation of amniotic fluid activin-a and inhibin-a in women with preterm premature rupture of the membranes and infection-induced preterm birth. Am J Reprod Immunol 67:122-31
Buhimschi, Irina A; Buhimschi, Catalin S (2012) Proteomics/diagnosis of chorioamnionitis and of relationships with the fetal exposome. Semin Fetal Neonatal Med 17:36-45
Turan, Ozhan M; Turan, Sifa; Buhimschi, Irina A et al. (2012) Comparative analysis of 2-D versus 3-D ultrasound estimation of the fetal adrenal gland volume and prediction of preterm birth. Am J Perinatol 29:673-80
Lee, Sarah Y; Buhimschi, Irina A; Dulay, Antonette T et al. (2011) IL-6 trans-signaling system in intra-amniotic inflammation, preterm birth, and preterm premature rupture of the membranes. J Immunol 186:3226-36
Oliver, Emily A; Buhimschi, Catalin S; Dulay, Antonette T et al. (2011) Activation of the receptor for advanced glycation end products system in women with severe preeclampsia. J Clin Endocrinol Metab 96:689-98

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