Life Lines by Dr. Dolittle

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Tag Archive for ‘fetal’

How sheep are helping human pregnancies

    The growth and development of a human fetus is difficult to study, both practically and ethically, as I am sure you can imagine. A new review article published in the American Journal of Physiology – Regulatory, Integrative and Comparative Physiology¬†explored how sheep have helped solve this problem as fetal sheep share similar brain, lung and cardiac development and placental physiology with humans, many aspects of which differ from […]

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Leptin influences mammalian bone development

Leptin is a hormone that was discovered in 1994 and was once heavily studied by researchers who had hoped it might be useful in promoting weight loss.¬† It is produced by fat cells and signals to the brain whether those fat cells have sufficient energy, at which time it suppresses hunger and thereby promotes weight loss (WebMD; Klok et al., 2007). One of the reasons it failed as a weight […]

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