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Full-Text Articles in Medicine and Health Sciences

Parity-Induced Decrease In Systemic Growth Hormone Alters Mammary Gland Signaling: A Potential Role In Pregnancy Protection From Breast Cancer, Robert K. Dearth, David A. Delgado, Jill K. Hiney, Thushangi Pathiraja, Steffi Oesterreich, Dan Medina, W. Les Dees, Adrian V. Lee Mar 2010

Parity-Induced Decrease In Systemic Growth Hormone Alters Mammary Gland Signaling: A Potential Role In Pregnancy Protection From Breast Cancer, Robert K. Dearth, David A. Delgado, Jill K. Hiney, Thushangi Pathiraja, Steffi Oesterreich, Dan Medina, W. Les Dees, Adrian V. Lee

Biology Faculty Publications and Presentations

Early full-term pregnancy is an effective natural protection against breast cancer in both humans and experimental rodents. The protective effect of an early pregnancy is in part linked to changes in circulating hormones that are involved in both normal breast development and breast cancer. For example, a reduction in circulating growth hormone (GH) has been shown to protect rats from carcinogen-induced mammary tumors. We examined the ability of a full-term pregnancy to alter the endocrine GH/IGF-I axis and how this change affected normal mammary gland function in two commonly used rat models (Sprague-Dawley and Wistar-Furth). Circulating GH and IGF-I were …


Dietary Behaviours During Pregnancy: Findings From First-Time Mothers In Southwest Sydney, Australia, Li Ming Wen, Judy Simpson, Christopher Rissel, Victoria M. Flood, Louise Baur Jan 2010

Dietary Behaviours During Pregnancy: Findings From First-Time Mothers In Southwest Sydney, Australia, Li Ming Wen, Judy Simpson, Christopher Rissel, Victoria M. Flood, Louise Baur

Faculty of Health and Behavioural Sciences - Papers (Archive)

Background: Limited prevalence data are available for nutrition related health behaviours during pregnancy. This study aimed to assess dietary behaviours during pregnancy among first-time mothers, and to investigate the relationships between these behaviours and demographic characteristics, so that appropriate dietary intervention strategies for pregnant women can be developed. Method: An analysis of cross-sectional survey was conducted using data from 409 first-time mothers at 26-36 weeks of pregnancy, who participated in the Healthy Beginnings Trial conducted in southwestern Sydney, Australia. Dietary behaviours, including consumption of vegetables, fruit, water, milk, soft drinks, processed meat products, fast foods/take away and chips, were assessed …


Glycemic Index And Pregnancy: A Systematic Literature Review, Jimmy Chun Yu Louie, Jennie C. Brand-Miller, Tania P. Markovic, Glynis P. Ross, Robert G. Moses Jan 2010

Glycemic Index And Pregnancy: A Systematic Literature Review, Jimmy Chun Yu Louie, Jennie C. Brand-Miller, Tania P. Markovic, Glynis P. Ross, Robert G. Moses

Faculty of Health and Behavioural Sciences - Papers (Archive)

Background/Aim. Dietary glycemic index (GI) has received considerable research interest over the past 25 years although its application to pregnancy outcomes is more recent. This paper critically evaluates the current evidence regarding the effect of dietary GI on maternal and fetal nutrition. Methods. A systematic literature search using MEDLINE, EMBASE, CINAHL, Cochrane Library, SCOPUS, and ISI Web of Science, from 1980 through September 2010, was conducted. Results. Eight studies were included in the systematic review. Two interventional studies suggest that a low-GI diet can reduce the risk of large-for-gestational-age (LGA) infants in healthy pregnancies, but one epidemiological study reported an …