期刊
CELLULAR AND MOLECULAR GASTROENTEROLOGY AND HEPATOLOGY
卷 17, 期 1, 页码 93-106出版社
ELSEVIER INC
DOI: 10.1016/j.jcmgh.2023.09.008
关键词
Liver Fibrosis; Hepatic Stellate Cells; Portal Fibroblasts
Liver fibrosis is a serious global health problem with no effective therapy currently available. Studies have shown that liver fibrosis is reversible and regression can occur when the underlying cause is removed. This review discusses the research progress in understanding the molecular mechanisms underlying the development and reversibility of liver fibrosis.
Liver fibrosis of different etiologies is a serious health problem worldwide. There is no effective therapy available for liver fibrosis except the removal of the underlying cause of injury or liver transplantation. Development of liver fibrosis is caused by fibrogenic myofibroblasts that are not present in the normal liver, but rather activate from liver resident mesenchymal cells in response to chronic toxic or cholestatic injury. Many studies indicate that liver fibrosis is reversible when the causative agent is removed. Regression of liver fibrosis is associated with the disappearance of activated myofibroblasts and resorption of the fibrous scar. In this review, we discuss the results of genetic tracing and cell fate mapping of hepatic stellate cells and portal fibroblasts, their specific characteristics, and potential phenotypes. We summarize research progress in the understanding of the molecular mechanisms underlying the development and reversibility of liver fibrosis, including activation, apoptosis, and inactivation of myofibroblasts.
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