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PTX3 Polymorphisms and Invasive Mold Infections After Solid Organ Transplant

Agnieszka Wójtowicz1, T Doco Lecompte2, Stephanie Bibert1

  • 1Infectious Diseases Service, University Hospital and University of Lausanne.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|May 16, 2015
PubMed

Insights

Genetic variations in donor Pentaxin-3 (PTX3) are confirmed risk factors for invasive mold infections in solid organ transplant recipients. This finding aids in understanding mold infection risks and patient stratification.

Area of Science:

  • Medical Mycology
  • Transplantation Immunology
  • Genetic Epidemiology

Background:

  • Invasive aspergillosis risk is linked to donor Pentaxin-3 (PTX3) polymorphisms in hematopoietic stem cell transplant (HSCT) recipients.
  • Solid organ transplant (SOT) recipients face significant risks from invasive mold infections (IMIs).

Purpose of the Study:

  • To investigate the association between donor PTX3 polymorphisms and the risk of IMIs in SOT recipients.
  • To determine if PTX3 polymorphisms are independent risk factors for IMIs in this patient population.

Main Methods:

  • Retrospective analysis of 1101 SOT recipients.
  • Genotyping of donor PTX3 polymorphisms.
  • Correlation analysis between PTX3 genotypes and IMI incidence.

Main Results:

  • Donor PTX3 polymorphisms were identified as independent risk factors for IMIs in SOT recipients.
  • The study confirms the role of PTX3 in the pathogenesis of mold infections across different transplant types.

Conclusions:

  • PTX3 polymorphisms are significant predictors of IMI risk in SOT recipients.
  • These findings support the use of PTX3 genotyping for improved risk stratification in transplant patients.
Keywords:
PTX3SNPgenetic susceptibilityinnate immunitysolid organ transplant

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