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Recently NF-kappaB has been shown to have both proapoptotic and antiapoptotic functions. In T cell hybridomas, both T cell activators and glucocorticoids induce apoptosis. Here we show that blockade of NF-kappaB activity, using a dominant negative IkappaBalpha, has opposite effects on these two apoptotic signals. Treatment with PMA plus ionomycin (P/I)(More)
Glucocorticoids (GCs) function, in part, through the ability of the glucocorticoid receptor (GR) to activate gene expression and in part through the transrepression of AP-1 and NF-kappaB. Here we characterize the effect of GR DNA binding domain (DBD) mutations, previously analyzed for changes in the ability to activate gene expression or transrepress AP-1.(More)
OBJECTIVE To examine the relative importance of tumor necrosis factor receptor I (TNFRI) signaling in the hematopoietic tissue compartment in the progression of collagen-induced arthritis (CIA), a model of rheumatoid arthritis (RA). METHODS DBA/1 mice were administered a lethal radiation dose and were then rescued with bone marrow derived from either(More)
Thymic selection requires that diverse self antigens be presented to developing thymocytes by stromal cells. Consistent with this function, medullary thymic epithelial cells have been shown to express a large number of genes, many of which are tissue restricted. Autoimmune regulator (AIRE) is a nuclear protein, which has recently been identified as a(More)
As a step towards understanding the role of prostaglandin F2 alpha (PGF2 alpha) in male reproductive tract physiology, a rabbit polyclonal antiserum reactive with purified PGF2 alpha receptor (PGF2 alpha-R) was produced. Here we describe the use of this anti-PGF2 alpha-R antiserum in immunohistochemical staining of mouse testis to ascertain which cell(More)
As a step towards understanding the role of prostaglandin F2 alpha (PGF2 alpha) in female reproductive tract physiology, a rabbit polyclonal antiserum reactive with purified PGF2 alpha receptor (PGF2 alpha-R) was produced. Here we describe use of this anti-PGF2 alpha-R antiserum in immunohistochemical staining of rat oviduct to ascertain which cell types,(More)
The diabetes-prone biobreeding (BB-DP) rat contains the lyp mutation which results in lymphopenia and promotes the progression of a T cell-mediated autoimmune attack of the pancreas in certain rat strains. This mutation has been mapped to a gene which bears homology to human Gimap5/Ian5 and results in the truncation and loss of activity of this protein. The(More)
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