Kathleen Kelly Gallagher

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Flow cytometry with fluorochrome-conjugated peptide-major histocompatibility complex (pMHC) tetramers has transformed the study of antigen-specific T-cells by enabling their visualization, enumeration, phenotypic characterization and isolation from ex vivo samples. Here, we demonstrate that the reversible protein kinase inhibitor (PKI) dasatinib improves(More)
Human CD4(+) αβ T cells are activated via T-cell receptor recognition of peptide epitopes presented by major histocompatibility complex (MHC) class II (MHC-II). The open ends of the MHC-II binding groove allow peptide epitopes to extend beyond a central nonamer core region at both the amino- and carboxy-terminus. We have previously found that these(More)
The ability to control HCV with IFN-α-based treatments provides an opportunity in humans to study how the rate of viral clearance in vivo impinges on the development of antiviral responses. Ex vivo (IFN-γ-producing) and cultured antiviral CD4(+) T cells, serum cytokines, and viral loads were measured repeatedly in a cohort of chronically HCV-infected(More)
HNSCC that involves the skin is able to invade the dermal lymphatic system. Currently there is no way to identify patients with dermal lymphatic invasion preoperatively. The purpose of this study is to determine whether CT can predict dermal lymphatic invasion. Medical records, CT scans, and corresponding histopathologic slides were reviewed of HNSCC(More)
Acquisition, extinction, and transfer of facilitation were explored in a series of experiments with C57BL/6J mice. With a procedure in which an auditory target was followed by food only in the presence of a visual facilitator, Experiments 1-4 showed that the facilitator promoted magazine entries to the auditory target. This enhancement effect was eliminated(More)
Two regions of the brain potentially significant for psychopathology in schizophrenia are the prefrontal cortex and the amygdala. Antipsychotic compounds bind at serotonin receptors in human prefrontal cortex. We hypothesized that the serotoninergic antagonist [3H]ketanserin would label similar sets of binding sites in these two brain regions. Further, we(More)
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