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MRL-lpr/lpr mice manifest a systemic lupus-like autoimmune disease. As part of this syndrome, the mice spontaneously develop autoimmune thyroiditis, which is morphologically and biochemically similar to human autoimmune thyroiditis. In this study we investigated whether thyroid tissue obtained from sites of chronic inflammation had altered gap junctional(More)
We have recently described a spontaneous murine model of autoimmune thyroid disease. The disorder was in part characterized by reduced thyroid epithelial cell-cell communication that was associated with abnormalities in three major connexins. To compare whether this finding was a common secondary occurrence in autoimmune thyroid disease, or unique to the(More)
MRL-lpr/lpr mice are genetically predisposed to develop a systemic lupus erythematosus-like syndrome that is clinically very similar to the human disease. The results presented here demonstrate, for the first time to our knowledge, that MRL-lpr/lpr mice also develop thyroiditis as part of their systemic autoimmune disorder. The thyroid gland was infiltrated(More)
In the Lewis rat model of experimental autoimmune thyroiditis (EAT), decreased immunodetectable connexin assembly into gap junctions and diminished intercellular communication are associated with the loss of thyroid function (hypothyroidism) that occurs prior to significant tissue destruction. The current study explores the hypothesis that the loss of(More)
Soluble tumor necrosis factor (TNF)-alpha receptors have the potential to modulate TNF-alpha activity during autoimmune thyroiditis. In this study we examined cell-surface TNF-alpha receptors and soluble TNF-alpha receptor production by thyrocytes from normal and MRL-lpr(-/-) (diseased) mice, which spontaneously develop autoimmune thyroiditis. We found that(More)
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