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Macrophage migration inhibitory factor promoter polymorphisms are associated with disease activity in rheumatoid arthritis patients from Southern Mexico

Identifieur interne : 000660 ( Main/Exploration ); précédent : 000659; suivant : 000661

Macrophage migration inhibitory factor promoter polymorphisms are associated with disease activity in rheumatoid arthritis patients from Southern Mexico

Auteurs : Guillermo Santoscoy-Ascencio ; Christian Johana Ba Os-Hernández ; José Eduardo Navarro-Zarza ; Jorge Hernández-Bello ; Richard Bucala ; Andres L Pez-Quintero ; Emmanuel Valdés-Alvarado ; Isela Parra-Rojas ; Berenice Illades-Aguiar ; José Francisco Mu Oz-Valle

Source :

RBID : PMC:6978234

Abstract

AbstractBackground

Macrophage migration inhibitory factor (MIF) is a cytokine capable of stimulating inflammatory cytokine and matrix metalloproteinase production from macrophages and synovial fibroblasts, which leads to persistent inflammation and bone degradation, two of the major pathological processes in rheumatoid arthritis (RA). The aim of this study was to evaluate the association of MIF promoter polymorphisms (−794CATT5‐8rs5844572 and −173G > C, rs755622), circulating MIF levels, and mRNA expression with RA susceptibility and disease activity.

Methods

A case–control study was conducted in 200 RA patients and 200 control subjects (CS) from Southern Mexico. Genotyping was performed by conventional PCR and PCR‐RFLP methods. MIF mRNA expression was quantified by real‐time PCR and MIF serum levels were determined by an ELISA kit.

Results

The 7,7 (−794CATT5‐8) and −173CC (−173G > C) genotypes were associated with higher disease activity in RA patients. MIF serum levels were increased, and MIF mRNA expression was reduced in RA patients as compared to CS. In addition, RA patients with moderate disease activity had higher MIF levels than those with low disease activity. The −794CATT5‐8 and −173G > C MIF polymorphisms were not associated with RA susceptibility.

Conclusion

These results suggest an important role of MIF polymorphisms and MIF serum levels with disease activity in RA.


Url:
DOI: 10.1002/mgg3.1037
PubMed: 31701681
PubMed Central: 6978234


Affiliations:


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<name sortKey="Illades Guiar, Berenice" sort="Illades Guiar, Berenice" uniqKey="Illades Guiar B" first="Berenice" last="Illades-Aguiar">Berenice Illades-Aguiar</name>
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<sec id="mgg31037-sec-0001">
<title>Background</title>
<p>Macrophage migration inhibitory factor (MIF) is a cytokine capable of stimulating inflammatory cytokine and matrix metalloproteinase production from macrophages and synovial fibroblasts, which leads to persistent inflammation and bone degradation, two of the major pathological processes in rheumatoid arthritis (RA). The aim of this study was to evaluate the association of
<italic>MIF</italic>
promoter polymorphisms (−794CATT
<sub>5‐8</sub>
<italic>rs5844572</italic>
and −173G > C,
<italic>rs755622</italic>
), circulating MIF levels, and mRNA expression with RA susceptibility and disease activity.</p>
</sec>
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<title>Methods</title>
<p>A case–control study was conducted in 200 RA patients and 200 control subjects (CS) from Southern Mexico. Genotyping was performed by conventional PCR and PCR‐RFLP methods.
<italic>MIF</italic>
mRNA expression was quantified by real‐time PCR and MIF serum levels were determined by an ELISA kit.</p>
</sec>
<sec id="mgg31037-sec-0003">
<title>Results</title>
<p>The 7,7 (−794CATT
<sub>5‐8</sub>
) and −173CC (−173G > C) genotypes were associated with higher disease activity in RA patients. MIF serum levels were increased, and
<italic>MIF</italic>
mRNA expression was reduced in RA patients as compared to CS. In addition, RA patients with moderate disease activity had higher MIF levels than those with low disease activity. The −794CATT
<sub>5‐8</sub>
and −173G > C
<italic>MIF</italic>
polymorphisms were not associated with RA susceptibility.</p>
</sec>
<sec id="mgg31037-sec-0004">
<title>Conclusion</title>
<p>These results suggest an important role of
<italic>MIF</italic>
polymorphisms and MIF serum levels with disease activity in RA.</p>
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<name sortKey="Bucala, Richard" sort="Bucala, Richard" uniqKey="Bucala R" first="Richard" last="Bucala">Richard Bucala</name>
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<name sortKey="Navarro Arza, Jose Eduardo" sort="Navarro Arza, Jose Eduardo" uniqKey="Navarro Arza J" first="José Eduardo" last="Navarro-Zarza">José Eduardo Navarro-Zarza</name>
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<name sortKey="Santoscoy Scencio, Guillermo" sort="Santoscoy Scencio, Guillermo" uniqKey="Santoscoy Scencio G" first="Guillermo" last="Santoscoy-Ascencio">Guillermo Santoscoy-Ascencio</name>
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