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ER stress signaling at the interphase between MASH and hepatocellular carcinoma

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Hazari, Younis | Chevet, Eric | Bailly-Maitre, Beatrice | Hetz, Claudio

Edité par CCSD ; Wiley-Blackwell -

International audience. Hepato-cellular carcinoma (HCC) is the most frequent primary liver cancer with an extremely poor prognosis and often develops on preset of chronic liver diseases. Major risk factors for HCC include metabolic dysfunction-associated steatohepatitis (MASH), a complex multifactorial condition associated with abnormal endoplasmic reticulum (ER) proteostasis. To cope with ER stress, the unfolded protein response (UPR) engages adaptive reactions to restore the secretory capacity of the cell. Recent advances revealed that ER stress signaling plays a critical role in HCC progression. Here we propose that chronic ER stress is a common transversal factor contributing to the transition from liver disease (risk factor) to HCC. Interventional strategies to target the UPR in HCC as cancer therapy are also discussed.

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