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Calreticulin regulates the expression of MMP14 and ADAR1 through EIF2AK2 signaling to promote the proliferation and
Li Liang1, Jin Wang1, Tao Guo1
1Department of Laser, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China.
Neoplasma
|May 20, 2024
Summary
Calreticulin (CALR) and EIF2AK2 promote melanoma progression. Targeting both CALR and EIF2AK2 may offer an effective anti-tumor strategy, potentially via MMP14 and ADAR1 signaling pathways.
Area of Science:
- Oncology
- Molecular Biology
Background:
- Calreticulin (CALR) is implicated in tumor development.
- Abnormal CALR expression is observed in various cancers.
Purpose of the Study:
- To investigate the roles of CALR and EIF2AK2 in melanoma.
- To explore the underlying molecular mechanisms of CALR and EIF2AK2 in melanoma progression.
Main Methods:
- Analyzed CALR and EIF2AK2 expression in melanoma tissues.
- Utilized cell models with CALR and EIF2AK2 knockdown/overexpression.
- Performed migration, invasion, apoptosis, proliferation, and ROS assays.
- Detected protein levels of CALR, EIF2AK2, ADAR1, and MMP14 via Western blotting.
Main Results:
- CALR and EIF2AK2 were upregulated in melanoma tissues.
- CALR overexpression increased EIF2AK2, MMP14, and ADAR1 expression.
- CALR knockdown decreased EIF2AK2, MMP14, and ADAR1 expression.
- EIF2AK2 knockdown reversed CALR-induced MMP14 and ADAR1 upregulation.
Conclusions:
- CALR and EIF2AK2 promote melanoma progression.
- Combined knockdown of CALR and EIF2AK2 inhibits melanoma progression.
- Potential therapeutic targeting of CALR and EIF2AK2 via MMP14/ADAR1 signaling.
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