Liver, Dietary Proteins Key in Fertility

A new report finds that estrogen receptors in your liver are critical for maintaining fertility. The expression of those receptors is under the control of dietary amino acids, a fact which could have important implications for some forms of infertility.

Mice on a calorie-restricted diet and those lacking estrogen receptors in their livers showed a decline in the hormone IGF-1. Blood levels of the hormone dropped to levels inadequate for normal progression of the estrous cycle. But when the calorie-restricted mice were given more protein, their reproductive cycles got back on track.

Science Daily reports:

"The researchers suggest that this connection between amino acids, estrogen receptor signaling in liver, and reproductive functions may have clinical implications ... It suggests that diets loaded with too many carbohydrates and too little protein may hamper fertility."

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