Published online Apr 15, 2024. doi: 10.4251/wjgo.v16.i4.1479
Peer-review started: November 20, 2023
First decision: December 26, 2023
Revised: January 8, 2024
Accepted: March 1, 2024
Article in press: March 1, 2024
Published online: April 15, 2024
Processing time: 142 Days and 20.4 Hours
Our study investigates the role of FAM53B in regulating macrophage M2 polarization and its potential mechanisms in promoting pancreatic ductal adenocarcinoma (PDAC) metastasis.
The motivation for this study stems from a deep interest in the mechanisms of PDAC development and the critical role of macrophages in the tumor microenvironment. Given the highly aggressive nature of PDAC and its propensity to metastasize, we focused on exploring the underlying molecular mechanisms, with a particular focus on FAM53B's role in regulating macrophage M2 polarization. By further investigating the function of FAM53B, we expect to reveal its specific regulatory mechanisms during PDAC metastasis, providing a new perspective for an in-depth understanding of the development of this cancer.
To explore the role of FAM53B in the regulation of macrophage M2 polarization, further study the molecular mechanism that may be involved in promoting PDAC metastasis, and reveal the influence of FAM53B on the M2 polarization of macrophages, as well as the specific regulatory mechanism in PDAC metastasis.
Various methods were used to investigate the role of FAM53B in regulating macrophage M2 polarization and promoting PDAC metastasis. A macrophage model regulated by FAM53B expression level was constructed by cell culture and gene knockout techniques. Subsequently, immunocytochemistry and coimmunoprecipitation techniques were used to detect M2 macrophage marker expression and the interaction between FAM53B and related proteins. In animal models, the effect of FAM53B on PDAC metastasis was evaluated by transplanting PDAC cell lines and observing tumor growth and metastasis. At the molecular level, transcriptomic and proteomic methods were used to analyze the changes in the FAM53B-regulated signaling pathway and related gene expression.
Our research showed that there was a significant increase in FAM53B levels in PDAC tissues, which was linked to the tumors' cancerous features. Experimental findings indicated that FAM53B can enhance macrophage M2 polarization, leading to an increased release of anti-inflammatory factors. The results from the mouse model further supported the role of FAM53B in PDAC metastasis, as blocking FAM53B stopped the tumor from spreading and invading other tissues.
FAM53B promotes PDAC metastasis by regulating macrophage M2 polarization. This discovery could lead to new ways to treat PDAC.
The results of this study are expected to provide a new molecular mechanism for in-depth understanding of the development and metastasis of PDAC and provide innovative ideas for the development of relevant therapeutic strategies. By revealing the key role of FAM53B in the regulation of macrophage M2 polarization, it can provide a basis for the design of targeted interventions. Further research could focus on developing FAM53B inhibitors or related therapeutic strategies to reduce the aggressiveness of PDAC and improve therapeutic efficacy. In addition, the interrelationships between FAM53B and other signaling pathways will be explored in depth to provide a more comprehensive understanding of the complex regulatory networks in the tumor microenvironment. This will provide important guidance for future clinical transformation and is expected to bring new breakthroughs in the treatment of PDAC patients.