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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.
Summary
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.
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