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Novel PI3Kγ mutation in a 44-year-old man with chronic infections and chronic pelvic pain

Emeric F Bojarski1, Adam C Strauss, Adam P Fagin

  • 1Harvard Medical School, Boston, Massachusetts, USA.

Plos One
|July 18, 2013
PubMed

Insights

A genetic mutation in PI3Kγ, crucial for immune cell function, is linked to a man's chronic sinusitis, fungal infections, and pelvic pain. This finding may explain the cause of his persistent, debilitating symptoms.

Area of Science:

  • Immunology
  • Genetics
  • Dermatology

Background:

  • Chronic infections and pain can significantly impact quality of life.
  • Identifying the underlying etiology of complex, multifactorial conditions is clinically challenging.

Observation:

  • A 44-year-old male presented with a 14-year history of chronic purulent sinusitis, chronic scrotal fungal rash, and chronic pelvic pain.
  • Extensive work-up was inconclusive, though Candida species were cultured from prostatic fluid.
  • Antifungal therapy provided temporary symptom relief but no long-term solution.

Findings:

  • Sequencing of 100 immune response genes revealed a missense mutation in the Ras-binding domain of phosphoinositide 3-kinase gamma (PI3Kγ).
  • PI3Kγ plays a vital role in cellular immune functions, including leukotaxis.
  • The identified mutation is hypothesized to be the cause of the patient's chronic infections and pelvic pain.

Implications:

  • This case highlights a potential genetic basis for chronic, recurrent infections and inflammatory conditions.
  • Understanding the role of PI3Kγ mutations may lead to novel diagnostic and therapeutic strategies for similar patients.
  • Further research into PI3Kγ function in immunity is warranted.

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