Matrix metalloproteinases and tissue inhibitors in multiple myeloma: promote or inhibit?

Yan-Ying Li1,2, Liu-Yun Zhang1,2, Yun-Hui Xiang1,2

  • 1School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.

Frontiers in Oncology
|October 12, 2023
PubMed

Insights

Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are key in multiple myeloma (MM) bone disease and invasion. Understanding their roles offers new diagnostic and therapeutic strategies for MM.

Area of Science:

  • Oncology
  • Biochemistry
  • Pathology

Background:

  • Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are crucial in extracellular matrix (ECM) remodeling.
  • Multiple myeloma (MM) pathogenesis involves tumor invasion and osteolytic bone lesions, significantly influenced by MMPs and TIMPs.
  • MMPs degrade ECM components, promoting cancer cell invasion and metastasis, while TIMPs regulate MMP activity.

Purpose of the Study:

  • To review the specific roles of MMP-1, MMP-2, MMP-7, MMP-9, MMP-13, MMP-14, MMP-15, and TIMPs in multiple myeloma.
  • To explore their involvement in myeloma cell invasion, angiogenesis, and osteolytic bone disease.
  • To provide novel perspectives for clinical diagnostics and therapeutics in MM.

Main Methods:

  • Literature review focusing on MMPs and TIMPs in multiple myeloma.
  • Analysis of the pathophysiological mechanisms of MM bone disease and tumor invasion.
  • Synthesis of current knowledge on the roles of specific MMPs and TIMPs.

Main Results:

  • MMPs contribute significantly to myeloma bone disease by degrading collagen and promoting osteolysis.
  • MMPs and TIMPs are implicated in myeloma cell invasion, angiogenesis, and metastasis.
  • Specific MMPs (MMP-1, -2, -7, -9, -13, -14, -15) and TIMPs are identified as key players.

Conclusions:

  • MMPs and TIMPs are critical mediators in multiple myeloma progression, including bone destruction and tumor spread.
  • Targeting MMPs and TIMPs presents potential therapeutic avenues for managing MM and its complications.
  • Further research into these proteinases may lead to improved diagnostic markers and treatment strategies for MM patients.

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