Abstract:Short-term fasting in mice has been shown to increase survival from lethal doses of chemotherapy; however, the route of protection in these animals is unknown. In this study we demonstrate that fasting prior to chemotherapy protects small intestinal (SI) stem cells in mice exposed to high dose etoposide. Histologic and in vitro crypt culture analyses show nearly all SI stem cells were lost when fed mice were treated with high dose etoposide but high numbers of stem cells survived when fasted mice were similarl… Show more
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