Department of Microbiology and Immunology
University of Michigan Medical School (Ann Arbor, MI)
The rare absence of XIAP in human patients has been linked to X-linked lymphoproliferative disorder, which often results in fulminant mononucleosis. Surviving patients are found to have abnormal proliferative dynamics of the adaptive immune system, and dysregulated expression of XIAP has also been linked to a wide variety of cancers. Mice lacking XIAP have been found to be significantly more susceptible to intracellular pathogen challenge by Listeria monocytogenes, and it has been further found that bulk splenocytes from these mice undergo markedly increased proliferation upon T-cell receptor stimulation. I am currently trying to better characterize the stimulatory factors and specific immune cell populations involved in this differential proliferation.

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