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Published on: May 14, 2016
Nuclear envelope-distributed CD147 interacts with and inhibits the transcriptional function of RING1 and promotes
Junchen Chen1,2, Cong Peng1,2, Li Lei1,2
1Department of Dermatology, Xiangya Hospital, Central South University. Changsha, Hunan, P.R. China.
Abstract:
Melanoma accounts for nearly 80% of all deaths associated with skin cancer.CD147 plays a very important role in melanoma progression and the expression level may correlate with tumor malignancy. RING1 can bind DNA and act as a transcriptional repressor, play an important role in the aggressive phenotype in melanoma. The interactions between CD147 and RING1 were identified with a yeast two-hybrid and RING1 interacted with CD147 through the transmembrane domain. RING1 inhibits CD147's capability promoting melanoma cell migration. In conclusion, the study identified novel interactions between CD147 and RING1, recovered CD147 nuclear envelope distribution in melanoma cells, and suggested a new mechanism underlying how cytoplasmic CD147 promotes melanoma development.
Insights
Researchers discovered that the protein RING1 inhibits melanoma cell migration by interacting with CD147. This finding reveals a new mechanism in melanoma development and progression.
Area of Science:
- Oncology
- Molecular Biology
- Dermatology
Background:
- Melanoma is a deadly skin cancer, causing most skin cancer deaths.
- CD147 and RING1 are implicated in melanoma progression and aggressive phenotypes.
Purpose of the Study:
- To investigate the interaction between CD147 and RING1 in melanoma.
- To elucidate the functional consequences of this interaction on melanoma cell behavior.
Main Methods:
- Yeast two-hybrid assays were employed to identify protein interactions.
- Analysis of protein interactions and their effects on cell migration and localization.
Main Results:
- A novel interaction between CD147 and RING1 was identified.
- RING1 binds to CD147 via its transmembrane domain.
- RING1 inhibits CD147-mediated melanoma cell migration.
- CD147's nuclear envelope distribution was observed in melanoma cells.
Conclusions:
- The study identified a new interaction between CD147 and RING1.
- RING1's interaction with CD147 provides a new mechanism for regulating melanoma cell migration.
- This interaction may represent a novel therapeutic target for melanoma treatment.
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