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Matrix metalloprotease-7 is associated with post-COVID-19 persistent lung abnormalities.

Ivette Buendia-Roldan1,2, Leslie Chavez-Galan1,2, Hiram Aguilar-Duran1

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Increased matrix metalloproteinase-7 (MMP-7) in post-COVID-19 patients correlates with impaired lung function and HRCT findings indicative of fibrosis. This suggests MMP-7 may play a role in long COVID lung disease progression.

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Area of Science:

  • Pulmonary Medicine
  • Biomarkers
  • Radiology

Background:

  • Post-COVID-19 syndrome can manifest with persistent respiratory symptoms and lung abnormalities.
  • Matrix metalloproteinase-7 (MMP-7) is implicated in tissue remodeling and fibrosis.
  • Understanding biomarkers associated with lung sequelae is crucial for patient management.

Purpose of the Study:

  • To investigate the association between MMP-7 levels and lung abnormalities in patients with post-COVID-19.
  • To explore the relationship between MMP-7 and gas exchange function.
  • To correlate MMP-7 with high-resolution computed tomography (HRCT) findings suggestive of pulmonary fibrosis.

Main Methods:

  • Prospective cohort study of post-COVID-19 patients.
  • Measurement of serum MMP-7 levels.
  • Pulmonary function tests assessing gas exchange.
  • High-resolution computed tomography (HRCT) for lung structural evaluation.

Main Results:

  • Elevated MMP-7 levels were observed in patients with post-COVID-19.
  • Increased MMP-7 was significantly associated with impaired gas exchange.
  • Higher MMP-7 concentrations correlated with subtle HRCT findings indicative of lung fibrosis.

Conclusions:

  • Elevated MMP-7 is linked to pulmonary abnormalities in post-COVID-19 patients.
  • MMP-7 may serve as a potential biomarker for lung fibrosis and dysfunction after COVID-19.
  • Further research is warranted to elucidate the role of MMP-7 in COVID-19-related lung disease.