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The LAT gene encodes an adaptor molecule that links receptor engagement to critical downstream signaling events. Previously, we identified the proximal promoter for the human LAT gene and found that it contains binding sites for members of the Ets and Runx transcription factor families. In the present study, we show that the promoter also contains 5 GC-rich elements that contribute to promoter activity...
Crosslinking of Fcɛ receptor on mast cells induces IL-3 gene expression with the concentration dependent of intracellular calcium, but its regulatory mechanism remains unclear. Here, we found that phorbol 12-myristate 13-acetate (PMA) alone did not induce IL-3 gene expression, but potentiated A23187-induced IL-3 gene expression. Interestingly, the A23187-induced IL-3 promoter activity was suppressed...
Estrogens and progesterone could be among the environmental signals that govern uterine immune cell synthesis of pro-inflammatory substances. In order to investigate this possibility, we first mapped expression of the inducible nitric oxide synthase (iNOS) and tumor necrosis factor-α (TNF-α) genes in the leukocytes of cycling and pregnant mouse uteri, then tested the ability of estradiol-17β (E ...
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