LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Human placental lactogen hormone molecule. Computer model showing the secondary structure of human placental lactogen (hPL). Hydrogen bonding is shown by alpha helices (ribbons) and random coils (wires). HPL is a polypeptide hormone produced by the placenta during pregnancy. It breaks down fats from the mother to provide fuel for the growing foetus. It can lead to insulin resistance and carbohydrate intolerance in the mother. It also plays a role in stimulating lactation (milk production) in the mother.
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