Role of Metastasis Suppressor KAI1/CD82 in Different Cancers
Wei Yan1,2,3, Jinny Huang1, Qian Zhang3
1Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Abstract:
Metastasis is one of the characteristics of malignant tumors and the main cause of death worldwide. The process of metastasis is mainly affected by tumor metastasis genes, tumor metastasis suppressor genes, tumor microenvironment, extracellular matrix degradation, and other factors. Thus, it is essential to elucidate the mechanism of metastasis and find the therapeutic targets in order to prevent the development of malignant tumors. KAI1/CD82, a member of tetraspanin superfamily of glycoproteins, has been reported as a tumor metastasis suppressor gene in various types of cancers without affecting the tumor formation. Many studies have demonstrated that low expression of KAI1/CD82 might lead to poor prognosis due to its interactions with other tetraspanins and integrins, resulting in the regulation of cell motility and invasion, cell-cell adhesion, and apoptosis. Considering its pathological and physiological significance, KAI1/CD82 could be a potential strategy for clinical predicting and preventing tumor progression and metastasis. The present review aims to discuss the role of KAI1/CD82 in metastasis for different cancers and examine its prospects as a metastasis biomarker and a therapeutic target.
Insights
KAI1/CD82 acts as a tumor metastasis suppressor gene. Its reduced expression is linked to poor prognosis, highlighting its potential as a biomarker and therapeutic target for preventing cancer metastasis.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- Metastasis is a hallmark of malignant tumors and a primary cause of cancer-related mortality.
- Tumor metastasis is influenced by genes, the microenvironment, and extracellular matrix interactions.
- Identifying metastasis mechanisms and therapeutic targets is crucial for cancer prevention.
Purpose of the Study:
- To review the role of KAI1/CD82 in the metastasis of various cancers.
- To examine KAI1/CD82's potential as a clinical biomarker for tumor progression.
- To explore KAI1/CD82 as a therapeutic target for preventing cancer metastasis.
Main Methods:
- Literature review of studies on KAI1/CD82 and cancer metastasis.
- Analysis of KAI1/CD82's interactions with other molecules (tetraspanins, integrins).
- Evaluation of KAI1/CD82's impact on cell motility, adhesion, and apoptosis.
Main Results:
- KAI1/CD82 functions as a tumor metastasis suppressor gene across different cancer types.
- Low KAI1/CD82 expression correlates with poor patient prognosis.
- KAI1/CD82 regulates critical metastatic processes including cell motility and adhesion.
Conclusions:
- KAI1/CD82 is a significant factor in controlling tumor metastasis.
- KAI1/CD82 holds promise as a predictive biomarker for cancer progression.
- Targeting KAI1/CD82 presents a potential therapeutic strategy for combating cancer metastasis.
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