The effect of asthma during pregnancy on placental function and fetal development

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/252438

Funding Status
Closed

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Funded Activity Summary

Asthma affects 12% of the Australian population and is expected to increase to 20% over the next 10 years. This rise will result in an increase in the number of women who suffer from asthma during pregnancy and could emerge as a major public health problem since asthma during pregnancy is associated with low birthweight babies. Lower birthweight itself is an increased risk factor for a number of adult diseases such as diabetes and coronary artery disease and thus the children of asthmatic women are at risk for numerous pathologies throughout life. Nevertheless, the specific mechanisms that cause low birthweight in asthmatic pregnancies are unknown. We currently have a lead in this important area. Our data so far indicates that asthma produces alterations in placental blood flow and glucocorticoid metabolism that are particularly pronounced when the fetus is female. Inhaled glucocorticoid therapy is protective of the effects of asthma on the fetus suggesting the involvement of inflammatory pathways. The long term objectives of our work are to elucidate the effects of asthma on fetal health and to design better ways to manage asthma during pregnancy to improve the outcome for the baby. The short term objective of this grant is to define whether inflammatory factors associated with asthma during pregnancy change placental function to adversely affect fetal development and whether these effects are related to the sex of the fetus. Completion of these studies will provide both scientific and clincial outcomes. Scientifically, a biological basis for understanding alterations in placental physiology observed in women with asthma will be produced. Clinically our work will open avenues to optimize therapy for this group of women to improve their pregnancy and the outcome for their babies.

Funded Activity Details

Start Date: 01-01-2003

End Date: 01-01-2005

Funding Scheme: NHMRC Project Grants

Funding Amount: $378,600.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Obstetrics And Gynaecology

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

asthma | fetal development | fetus | placenta | pregnancy

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