
A study has discovered a new role for the Hippo pathway in responding to glutamine deprivation. The study found that YAP, a key component of the Hippo pathway, is activated when cells lack glutamine. This activation helps cells adapt to the shortage by promoting the expression of genes involved in amino acid homeostasis, crucial for cell survival during glutamine deprivation. YAP's role in inhibiting mTORC1 is highlighted, suggesting potential therapeutic strategies for treating tumors by targeting the Hippo-YAP pathway alongside glutaminolysis inhibition. These findings shed light on the intricate relationship between YAP, ATF4, and mTORC1 in cellular response to nutrient scarcity.
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