The calcineurin/NFAT signaling pathway regulates osteoclastogenesis in RAW264.7 cells*
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Implications of Calcineurin/NFAT Inhibitors' Regulation of Dendritic Cells and Innate Immune Cells in Islet Xenotransplantation
Calcineurin inhibitors, such as cyclosporine and tacrolimus (FK506) are broadly used in organ transplantations as immune suppressants. As the calcineurin/NFAT signaling pathway has been identified as critical pathway in the interleukin-2 (IL-2) production of T cells, inhibition of T-cell derived IL-2 has been considered the major mechanism of calcineurin inhibitors. However, there is increasing...
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New findings reveal that the calcineurin-NFAT signaling pathway helps to promote osteoblast differentiation. Three recent papers reveal somewhat different mechanisms by which this could occur. In one study, transduction of calcineurin Aalpha increased expression of osteoblast differentiation markers, including Runx-2. In another study, NFATc1 cooperatively enhanced Osterix activation of the col...
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Nuclear factor of activated T cells (NFAT) is a family of transcription factors important for innate and adaptive immune responses. NFAT activation is tightly regulated through the calcineurin/NFAT signaling pathway. There is increasing evidence on non-coding RNAs such as miRNAs playing a crucial role in regulating transcription factors and signaling pathways. However, not much is known about m...
متن کاملNFAT control of innate immunity.
The calcineurin/nuclear factor of activated T cells (NFAT) signaling pathway mediates multiple adaptive T-cell functions, but recent studies have shown that calcineurin/NFAT signaling also contributes to innate immunity and regulates the homeostasis of innate cells. Myeloid cells, including granulocytes and dendritic cells, can promote inflammation, regulate adaptive immunity, and are essential...
متن کاملNFATc1 regulates lymphatic endothelial development
NFATc1 transcription factor is critical for lineage selection in T-cell differentiation, cardiac valve morphogenesis and osteoclastogenesis. We identified a role for calcineurin-NFAT signaling in lymphatic development and patterning. NFATc1 was colocalized with lymphatic markers Prox-1, VEGFR-3 and podoplanin on cardinal vein as lymphatic endothelial cells (LEC) are specified and as they segreg...
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