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CD82 Suppresses ADAM17-Dependent E-Cadherin Cleavage and Cell Migration in Prostate Cancer

Zhenkun Ma1, Ye Gao2, Wei Liu1

  • 1Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an 710061, China.

Disease Markers
|November 18, 2020
PubMed

Insights

CD82 suppresses tumors by regulating E-cadherin. This study shows CD82 inhibits E-cadherin shedding by interacting with ADAM17, offering new insights into prostate cancer progression.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • CD82 functions as a tumor suppressor in cancer progression.
  • E-cadherin is a critical adhesion molecule often dysregulated in cancer.

Purpose of the Study:

  • To investigate the novel role of CD82 in the post-translational regulation of E-cadherin in prostate cancer.
  • To elucidate the mechanism by which CD82 influences E-cadherin cleavage and cell migration.

Main Methods:

  • Quantitative analysis of CD82 expression in prostate cancer tissues and cell lines.
  • Functional assays to assess cell migration and E-cadherin shedding.
  • Co-immunoprecipitation and enzyme activity assays to study CD82-ADAM17 interaction.

Main Results:

  • CD82 expression is decreased in prostate cancer tissues and cells.
  • CD82 inhibits prostate cancer cell migration and E-cadherin shedding.
  • CD82 directly interacts with ADAM17, inhibiting its metalloprotease activity and subsequent E-cadherin cleavage.

Conclusions:

  • CD82 plays a crucial role in the non-transcriptional regulation of E-cadherin in prostate cancer.
  • The CD82-ADAM17 interaction offers a potential therapeutic target for modulating E-cadherin function and inhibiting cancer progression.

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