Disseminated Adenovirus Infection After Combined Liver-Kidney Transplantation

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2018-11-20

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10.3389/fcimb.2018.00408

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Hemmersbach-Miller, Marion, Emily S Bailey, Matthew Kappus, Vinod K Prasad, Gregory C Gray and J Andrew Alspaugh (2018). Disseminated Adenovirus Infection After Combined Liver-Kidney Transplantation. FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY, 8. 10.3389/fcimb.2018.00408 Retrieved from https://hdl.handle.net/10161/17684.

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Scholars@Duke

Kappus

Matthew Robert Kappus

Associate Professor of Medicine
Prasad

Vinod K. Prasad

Consulting Professor in the Department of Pediatrics

1. Expanding the role of umbilical cord blood transplants for inherited metabolic disorders.
2. Impact of histocompatibility and other determinants of alloreactivity on clinical outcomes of unrelated cord blood transplants.
3. Studies to analyse the impact of Killer Immunoglobulin receptors on the outcomes of hematopoietic stem cell transplantation utilizing haploidentical, CD34 selected, familial grafts.
4. Propective longitudinal study of serial monitoring of adenovirus in allogenic transpants(SMAART)patients.
5. Use of mesenchymal stem cells for the treatment of GVHD

Alspaugh

James Andrew Alspaugh

Professor of Medicine

The focus of my research is to understand the ways in which microorganisms sense and respond to changes in their environment. As microbial pathogens enter the infected host, dramatic genetic and phenotypic events occur that allow these organisms to survive in this harsh environment. We study the model fungal organism Cryptococcus neoformans to define signal transduction pathways associated with systemic fungal diseases. This pathogenic fungus causes lethal infections of the central nervous system in patients with AIDS and other immunological disorders. In addition to being an important pathogen, C. neoformans displays well-characterized and inducible virulence determinants. It is an outstanding system for dissecting the signaling pathways associated with pathogenicity.

The main techniques used in the lab are those of molecular genetics. We are able to readily mutate C. neoformans genes by homologous recombination. Mutant strains with disruptions in targeted genes are then evaluated in vitro for various phenotypes including altered expression of polysaccharide capsule and melanin. The effects of gene disruption on pathogenicity are also evaluated in animal models of cryptococcal disease. Using these techniques, we have identified a novel G-alpha protein/cAMP-dependent signaling pathway associated with mating and pathogenicity.

This research is complemented by the other investigators in the Duke University Mycology Research Unit. The members of this research community are pursuing studies in fungal pathogenesis, identifying novel antifungal drug targets, and studying the ecology of several medically important fungi.

Keywords: Microbial Pathogenesis
Cryptococcus neoformans
Signal transduction
Fungal mating
G proteins


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