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2018 ; 15
(ä): 135-142
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Post-translational regulation of macrophage migration inhibitory factor: Basis
for functional fine-tuning
#MMPMID29247897
Schindler L
; Dickerhof N
; Hampton MB
; Bernhagen J
Redox Biol
2018[May]; 15
(ä): 135-142
PMID29247897
show ga
Macrophage migration inhibitory factor (MIF) is a chemokine-like protein and an
important mediator in the inflammatory response. Unlike most other
pro-inflammatory cytokines, a number of cell types constitutively express MIF and
secretion occurs from preformed stores. MIF is an evolutionarily conserved
protein that shows a remarkable functional diversity, including specific binding
to surface CD74 and chemokine receptors and the presence of two intrinsic
tautomerase and oxidoreductase activities. Several studies have shown that MIF is
subject to post-translational modification, particularly redox-dependent
modification of the catalytic proline and cysteine residues. In this review, we
summarize and discuss MIF post-translational modifications and their effects on
the biological properties of this protein. We propose that the redox-sensitive
residues in MIF will be modified at sites of inflammation and that this will add
further depth to the functional diversity of this intriguing cytokine.