to Compare LIF Level in Cord Blood of Embryo's That Are IUGR to Those That Are AGA Clinical Trial
Official title:
Comparison of LIF (Leukemia Inhibitory Factor) Level Between Neonates Who Are IUGR (Intra Uterine Growth Restriction) and Those Who Are AGA (Average for Gestational Age)
To see if there is a relationship between the level of LIF in IUGR fetuses and compared to the level of LIF in AGA fetuses
During embryonic development, there are several cytokines such as: LIF (Leukemia inhibitory
factor), ciliary neurotrophic factor (CNTF), epidermal growth factor family (EGF),
neuregulin 1 (NRG1) and transforming growth factor β (TGFβ) that were found are associated
with neurogenesis and differentiation of brain cells .
LIF is a cytokine that is essential for the development of the central nervous system, and
has recently been shown in rats that maternal LIF stimulates placental ACTH that in turn
promotes secretion of fetal LIF from nRBC , which in turn promotes brain development of the
fetus Other studies on IUGR (Intra Uterine Growth Restriction) have shown that IUGR fetuses
have more CP (Cerebral palsy) than those who were AGA (Average for Gestational Age) The
hypothesis is that LIF is related to the proper development of the nervous system in the
fetus and by testing cord blood of embryos IUGR and the placenta we will find changes in LIF
and ACTH compared with AGA fetuses level.
Studies have also shown a relationship between CP and IUGR, but the mechanism for this
relationship is unclear.
The purpose of our research is to see if there is a relationship between the level of LIF in
IUGR fetuses and compared to the level of LIF in AGA fetuses, in one of two ways:
- Changes in the secretion of ACTH in placenta
- Changes in levels of LIF in the umbilical cord blood
;
Observational Model: Case Control, Time Perspective: Prospective