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Cytoplasmic Tail of MT1-MMP: A Hub of MT1-MMP Regulation and Function

Katerina Strouhalova1,2, Ondřej Tolde1,2, Daniel Rosel1,2

  • 1Department of Cell Biology, Charles University, Viničná 7, 128 00 Prague, Czech Republic.

International Journal of Molecular Sciences
|March 29, 2023
PubMed

Insights

The cytoplasmic tail of membrane-type 1 matrix metalloproteinase (MT1-MMP) is crucial for its function, regulating ECM degradation and cellular processes like migration. This review details its interactions and role in adhesion and invasion.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Membrane-type 1 matrix metalloproteinase (MT1-MMP/MMP-14) is a key protease involved in extracellular matrix (ECM) remodeling.
  • Its functions in ECM degradation, protease activation, cell migration, and viability are critical in both normal physiology and disease.
  • The cytoplasmic domain, comprising the final 20 C-terminal amino acids, dictates MT1-MMP localization and signal transduction.

Purpose of the Study:

  • To review the regulatory roles of the MT1-MMP cytoplasmic tail in protease function.
  • To summarize known interactors of the MT1-MMP cytoplasmic tail and their functional significance.
  • To provide insights into how the cytoplasmic tail regulates cellular adhesion and invasion.

Main Methods:

  • Literature review of studies on MT1-MMP structure-function relationships.
  • Analysis of research on MT1-MMP cytoplasmic tail interactors.
  • Synthesis of findings related to MT1-MMP-mediated cellular processes.

Main Results:

  • The cytoplasmic tail of MT1-MMP is essential for its localization and signaling capabilities.
  • Specific protein interactions with the cytoplasmic tail modulate MT1-MMP activity and cellular responses.
  • The cytoplasmic tail plays a significant role in governing cell adhesion and invasion mechanisms.

Conclusions:

  • The MT1-MMP cytoplasmic tail is a critical regulatory hub for protease function and cellular behavior.
  • Understanding these interactions offers potential therapeutic targets for diseases involving ECM remodeling and cell invasion.
  • Further research into MT1-MMP cytoplasmic tail signaling will elucidate complex biological processes.
Keywords:
MT1-MMPcell invasionintracellular traffickingmatrix metalloproteinasespost-translational modifications

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