Hsiu-Shan Hsiao

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BACKGROUND Influenza A is a major pathogen of humans and has the potential to cause worldwide pandemics. Natural killer (NK) cells are important effector cells in the innate immune response against viruses, including influenza A. Infants are more susceptible to severe influenza A viral infection, possibly attributed in part to their defective NK function.(More)
Invariant natural killer T cells (iNKT cells) are innate-like non-conventional T cells restricted by the CD1d molecule that are unique in their ability to play a pivotal role in immune regulation. Deficient iNKT function has been reported in patients receiving umbilical cord blood (UCB) transplantation. We sought to determine the effect of interleukin(More)
CD4(+)CD25(+) regulatory T cells (Treg), if properly expanded from umbilical cord blood (UCB), may provide a promising immunotherapeutic tool. Our previous data demonstrated that UCB CD4(+)CD25(+) T cells with 4-day stimulation have comparable phenotypes and suppressive function to that of adult peripheral blood (APB) CD4(+)CD25(+) T cells. We further(More)
Adhesion molecules may play an important role in systemic lupus erythematosus (SLE) pathogenesis. We investigated the effect of interleukin- (IL-) 15 on CD11b, CD54, and CD62L expression on natural killer (NK) cells, T cells, and CD56+CD3+ NKT-like cells from SLE subjects and healthy controls. SLE patients had decreased circulating NK cells and NKT-like(More)
Azithromycin (AZM), a macrolide antibiotic for treating mycoplasma infections, may exhibit anti-inflammatory activity aside from its antimicrobial effect, providing additional therapeutic benefit. Natural killer (NK) cells, a first-line innate immune defense against microbial invasions, paradoxically exert a detrimental effect in protecting mycoplasma(More)
Azithromycin (AZM) is a macrolide antibiotic that exhibits anti-inflammatory activity aside from its antimicrobial effect, a feature that may ameliorate certain inflammatory disorders and prevent graft-versus-host disease in patients receiving stem cell transplantation. In the present study, we investigated the ability of AZM to influence the function of(More)
Natural killer (NK) cells may play an important role in the pathogenesis of SLE. Interleukin(IL)-15, an NK-enhancing cytokine, is over-expressed in SLE patients. In the present study, we examined the effect of IL-15 on NK cytotoxicity of SLE patients, and the expression of various activating and inhibitory NK receptors on NK cells from SLE patients in(More)
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