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Updated: Aug 11, 2026
08:09
Isolation, Culture, and Imaging of Human Fetal Pancreatic Cell Clusters
Published on: May 18, 2014
Inositol phosphoglycan putative insulin mediator in human amniotic fluid
Marco Scioscia1, Antonella Vimercati, Luigi E Selvaggi
1Department of Molecular Pathology, Molecular Medicine Unit, Royal Free and University College Medical School, London, UK. marco.scioscia@tin.it
Summary
Inositol phosphoglycans (IPGs) are significantly more concentrated in amniotic fluid than maternal urine, suggesting a fetal origin. This finding may link IPGs to fetal growth regulation and related conditions.
Area of Science:
- Endocrinology
- Reproductive Biology
- Metabolic Research
Background:
- Hormones like insulin regulate fetal growth.
- Inositol phosphoglycans (IPGs) are potential insulin second messengers with metabolic roles.
Purpose of the Study:
- Investigate P-type IPG (P-IPG) levels in human amniotic fluid and maternal urine.
- Determine P-IPG concentrations under physiological conditions.
Main Methods:
- Prospective cross-sectional study.
- Collected amniotic fluid from 78 women and urine from 109 pregnant and 66 non-pregnant women.
- Quantified P-IPG using a polyclonal antibody-based ELISA.
Main Results:
- P-IPG levels were 1000 times higher in amniotic fluid than urine (p < 0.0001).
- Urinary P-IPG was four-fold higher in pregnant women compared to non-pregnant women (p < 0.001).
Conclusions:
- Human amniotic fluid is rich in P-IPG, suggesting a fetal origin.
- IPGs may influence insulin sensitivity and fetal growth.
- IPGs could be implicated in fetal growth abnormalities like macrosomia and intrauterine growth restriction.
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