Question · Q4 2025
Kevin Cullinane asked about expectations for IRF5 degradation in PBMCs and skin in healthy volunteers, given that IRF5 is not highly activated in healthy individuals, and how this impacts the study's expectations.
Answer
CEO Nello Mainolfi confirmed that IRF5 degradation can be effectively measured in PBMCs using mass spectrometry. However, he noted that IRF5 expression is extremely low in healthy volunteer skin, making degradation difficult to assess in that tissue. He suggested that skin expression might be measurable in future patient studies, particularly in lupus patients with cutaneous manifestations.
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