We describe 2 siblings who had interleukin-1 receptor-associated kinase 4 deficiency with a novel mutation in exon 2. They had delayed separation of the umbilical cord. The flow cytometric analysis of monocytic intracellular tumor necrosis factor-α production in response to lipopolysaccharide may be a useful method to screen for the disease.
All Science Journal Classification (ASJC) codes
- Pediatrics, Perinatology, and Child Health