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Heme oxygenase (HO)-1 and its metabolic product carbon monoxide (CO) play regulatory roles in acute inflammatory states. In this study, we demonstrate that CO administration is effective as a therapeutic modality in mice with established chronic colitis. CO administration ameliorates chronic intestinal inflammation in a T helper (Th)1-mediated model of(More)
Host defense against opportunistic fungi requires coordination between innate and adaptive immunity for resolution of infection. Antibodies generated in mice vaccinated with the fungus Pneumocystis prevent growth of Pneumocystis organisms within the lungs, but the mechanisms whereby antibodies enhance antifungal host defense are poorly defined. Nearly all(More)
Normal responses to metyrapone were observed in most steady-state methadone maintained treatment patients. These preliminary studies suggest that in recently detoxified methadone maintained treatment patients, there may be an exaggerated response of the hypothalamic-pituitary-adrenal axis to metyrapone.
Neurotrophins jointly exert various functions in the nervous system, including neuronal differentiation, survival, and regulation of synaptic plasticity. However, the functional interactions of neurotrophins or mechanisms through which neurotrophins regulate each other are still not clear. In the present study, brain-derived neurotrophic factor (BDNF) mRNA(More)
Nuclear factor of activated T cells (NFAT) plays a critical role in the development and function of immune and non-immune cells. Although NFAT is a central transcriptional regulator of T cell cytokines, its role in macrophage specific gene expression is less defined. Previous work from our group demonstrated that NFAT regulates Il12b gene expression in(More)
Plexins are a family of genes (A,B,C, and D) that are expressed in many organ systems. Plexins expressed in the immune system have been implicated in cell movement and cell-cell interaction during the course of an immune response. In this study, the expression pattern of Plexin-B2 and Plexin-D1 in dendritic cells (DCs), which are central in immune(More)
Peptide and protein drugs have become the new generation of therapeutics, yet most of them are only available as injections, and reports on oral local intestinal delivery of peptides and proteins are quite limited. The aim of this work was to develop and evaluate a water-in-oil (w/o) microemulsion system in vitro and in vivo for local intestinal delivery of(More)
Monocyte-derived antigen presenting cells (APC) are central mediators of the innate and adaptive immune response in inflammatory diseases. As such, APC are appropriate targets for therapeutic intervention to ameliorate certain diseases. APC differentiation, activation and functions are regulated by the NF-κB family of transcription factors. Herein, we(More)
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