T cells are activated and induced to proliferate following binding of their respective antigen. The process of includes expression of genes that encode factors (i.e., cytokines) which regulate various cell types. Modulation of gene expression is conducted by an array of specific interactions between transcription factors and DNA. NFAT-1 (nuclear factor of activated T cells) is a transcription factor that regulates expression of the interleukin-2 gene. Thus, NFAT-1 DNA binding activity is undetectable in resting cells, but increases during T-cell activation. NFAT-1, a protein of 921 amino acids, is part of an oligomeric transcription factor that also contains Fra-1 and JunB. NFAT-1 was initially described as a phosphoprotein and is dephosphorylated in activated T cells transformed with the leukemia virus HTLV-l. This antibody is routinely tested by immunoflouresence microscopy. Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature.
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注意事项:
1.Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2.Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.