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https://www.selleckchem.com/products/o6-benzylguanine.html PTEN and p53 are highly mutated in many cancers. These two tumor suppressors have critical functions in the nucleus, such as DNA repair, cell cycle progression, and genome maintenance. However, the in vivo functional relationship of nuclear PTEN and p53 is unknown. Here, we analyzed the liver of mice in which nuclear PTEN and p53 are individually or simultaneously depleted. We found that nuclear PTEN loss greatly upregulates p53 expression upon oxidative stress, while the loss of p53 potentiates stress-induced accumulation of PTEN in the nucleus. Next, we examined oxidative stress-induced DNA damage in hepatocytes, and found that nuclear PTEN loss aggravated the damage while p53 loss did not. Notably, mice lacking nuclear PTEN had increased hepatocellular carcinoma under oxidative stress, while mice lacking p53 in hepatocytes had accelerated hepatocellular carcinoma and intrahepatic cholangiocarcinoma. The formation of cholangiocarcinoma appears to involve the transformation of hepatocytes into cholangiocarcinoma. Simultaneous loss of nuclear PTEN and p53 exacerbated both types of liver cancers. These data suggest that nuclear PTEN and p53 suppress liver cancers through distinct mechanisms.Btk has pro-inflammatory role through a variety of signaling pathways. NLRP3 inflammasome plays a central role in liver inflammation for mediating the secretion of pro-inflammatory mediators. However, it is still unknown whether Btk could regulate NLRP3 inflammasome activation in diabetic liver. In this study, we used Btk knockout mice to establish the diabetic model by STZ. We found that Btk knockout could alleviate diabetic liver injury. This protection was due to reduced liver inflammation rather than lipid metabolism. Moreover, we found that macrophage infiltration and pro-inflammatory mediators were both significantly increased in diabetic mice liver. However, Btk deletion could reduce the activation of macrophage and
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