Macrophage migration inhibitory factor family proteins are multitasking cytokines in tissue injury

Shanshan Song1,2, Zhangping Xiao2, Frank J Dekker2

  • 1Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.

Insights

The macrophage migration inhibitory factor (MIF) protein family, including MIF, D-DT, and DDTL, plays complex roles in tissue homeostasis, inflammation, and repair. Understanding these roles is crucial for developing targeted therapies for tissue injury.

Area of Science:

  • Immunology
  • Cell Biology
  • Biochemistry

Background:

  • The human MIF protein family comprises MIF, D-dopachrome tautomerase (D-DT), and DDT-like (DDTL).
  • MIF is a pleiotropic cytokine involved in inflammation, cellular survival, antioxidant signaling, and wound repair.
  • Functions of D-DT and DDTL are largely uncharacterized, necessitating further investigation into their roles and similarities to MIF.

Purpose of the Study:

  • To review recent findings on MIF family members in tissue injury, inflammation, and repair.
  • To explore therapeutic strategies targeting or mimicking MIF family proteins.

Main Methods:

  • Literature review of studies on MIF, D-DT, and DDTL.
  • Analysis of their roles in cellular homeostasis and pathology.
  • Evaluation of therapeutic intervention possibilities.

Main Results:

  • MIF exhibits diverse functions in tissue homeostasis and pathology, with initial characterization as pro-inflammatory.
  • Emerging evidence highlights MIF's roles in cellular survival, antioxidant signaling, and wound repair.
  • Limited research exists on D-DT and DDTL, leaving their functions largely unknown.

Conclusions:

  • The multifaceted and sometimes opposing functions of MIF necessitate careful consideration for therapeutic targeting in tissue injury.
  • Further research into D-DT and DDTL is essential to fully understand the MIF protein family's roles.
  • Targeting or mimicking MIF family proteins presents potential therapeutic avenues for inflammatory and repair processes.