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Neuroendocrine tumors are a group of rare tumor diseases that can occur in various visceral organs of the human body and exhibit significant tumor heterogeneity, and they often lead to secondary tumors mostly involving the liver and carcinoid syndrome. Liver metastasis is an important cause of treatment failure in patients with neuroendocrine tumor, and timely and reasonable surgical interventions that can effectively control disease progression to achieve the disease-free state or the goal of radical treatment and prolong the overall survival of patients has been a focus of research by clinicians and researchers in recent years. With reference to actual clinical work and working experience, this article reviews and discusses the surgical treatment strategies for liver metastasis of neuroendocrine tumors based on related strategies in China and globally and the latest diagnosis and treatment guidelines in China. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

With the rapid increase in the prevalence rate of nonalcoholic fatty liver disease（NAFLD）, new treatment methods are needed to prevent disease progression to liver fibrosis, liver cirrhosis, and liver cancer. Although great efforts have been made to clarify the pathological mechanisms of NAFLD disease progression, there are still no effective treatment methods at present. Bile acids（BAs） regulate systemic metabolism by activating nuclear receptors and G protein-coupled receptors and have been identified as important signaling molecules involved in lipid, glucose, and energy metabolism. Dysregulation of BA homeostasis is associated with the severity of NAFLD. This article summarizes the important ligands in BA metabolism and their role in the progression of NAFLD, in order to provide a basis for the treatment of NAFLD by targeting BA messengers. [ABSTRACT FROM AUTHOR]

The tumor microenvironment plays an important role in the proliferation, invasion and metastasis of cholangiocarcinoma cells. Complicated functional axis determines cholangiocarcinoma heterogeneity and its malignant potential. Targeting some factors in the tumor microenvironment might help reshape immune system of the tumor microenvironment to enhance natural anti - tumor immune responses. As a consequence, the improved immune environment and enhanced immune function will have great clinical potential in prediction of immune response to immunotherapy and identification of novel therapeutic strategies, which can provide a new potential direction for further investigation of targeted therapy of cholangiocarcinoma. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Liver-resident natural killer（LrNK） cells, as a type of newly discovered tissue-resident natural killer cells, have a strong immune killing function. During the development and progression of hepatocellular carcinoma（HCC）, the function of LrNK cells is impaired and such cells may promote the progression of HCC by upregulating the expression of related immune checkpoints. Based on the latest research, this article reviews the immune function of LrNK cells and their role in the development and progression of HCC, in order to explore the application prospect of these cells in HCC immunotherapy. [ABSTRACT FROM AUTHOR]

The liver has a strong ability of regeneration and the remaining liver cells can quickly enter the replication state after acute liver injury or partial hepatectomy. In case of chronic liver injury or severe liver disease, liver progenitor cell (LPC)-mediated regeneration may play a major role in liver regeneration. At present, the presence of dual-energy LPCs in animals and humans has been confirmed by lineage tracing and single-cell sequencing, and many studies have shown that the degree of LPC proliferation is associated with the severity of liver injury. This article briefly describes the origin and activation of LPCs and the role and regulatory mechanism of LPCs in mediating liver regeneration in different types of liver injury, and it is pointed out that in-depth research is needed for LPCs in the future to provide a basis for the reconstruction of liver parenchyma and the treatment of advanced liver disease by LPC transplantation. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)