A 35-year-old white man with no prior illness presented with a 10-day history of colicky abdominal pain worsened with meals, and back pain. This was followed in 3 days by an asymptomatic purpuric ...

But scientists had historically struggled to replicate HSP's symptoms and disease progression in animal models. That changed in 2022, when a group of UW–Madison scientists led by Anjon Audhya ...