Target intelligence / Profile preview

Macrophage Migration Inhibitory Factor

Molecular classification
Cytokine, Enzyme
01

Overview

Macrophage migration inhibitory factor (MIF) is a multifunctional protein with key roles in immunity, inflammation, and disease pathogenesis. It acts as both an immunoregulatory cytokine and proinflammatory mediator, promoting the production/release of other proinflammatory cytokines and counteracting the anti-inflammatory effects of glucocorticoids. It also possesses enzymatic activity and promotes tumorigenesis through several mechanisms, including sustained ERK1/2 activation, antagonism of p53-mediated apoptosis, activation of HIF‑1α under hypoxic conditions, and downregulation of NK cell receptor NKG2D. Elevated levels are associated with various cancers and inflammatory diseases, making it a promising biomarker candidate and therapeutic target.

02

Mechanism of action

Inhibition of MIF activity; modulation of cytokine secretion; counteraction of glucocorticoid effects; antagonism of p53-mediated apoptosis; inhibition of NK cell receptor NKG2D impairing tumor surveillance by NK cells

03

Biological functions

ImmunoregulationPro-inflammationEnzymatic activityWound healingTissue repair
04

Disease associations

Cancer progression/metastasisSepsis lethalityChronic inflammationInflammatory Diseases
05

Safety considerations

Pleiotropic functionsUnique disease-associated isoforms (e.g., oxidized MIF - oxMIF)Potential for off-target effects
06

Biomarkers

Elevated levels in cancerElevated levels in inflammatory diseases

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