Clone REA785 specifically recognizes the mouse CD154 antigen, a 39 kDa transmembrane glycoprotein also known as CD40L, gp39, T-BAM, TRAP, or Ly-62. CD154 is transiently up-regulated on activated CD4
+
T cells and plays an important role as a costimulatory molecule in T cell/antigen–presenting cell interactions through ligation of CD40. Due to its transient expression within hours after activation, CD154 can be used as a marker for activated antigen-specific CD4
+
T cells. Adding a CD40-blocking antibody during the stimulation of cell suspensions prevents the down-regulation of CD154. Blocking of CD40 is not required for intracellular detection of CD154 expression or if a pure population of enriched T cells is used.
Additional information: Clone REA785 displays negligible binding to Fc receptors.
Clone REA785 specifically recognizes the mouse CD154 antigen, a 39 kDa transmembrane glycoprotein also known as CD40L, gp39, T-BAM, TRAP, or Ly-62. CD154 is transiently up-regulated on activated CD4
+
T cells and plays an important role as a costimulatory molecule in T cell/antigen–presenting cell interactions through ligation of CD40. Due to its transient expression within hours after activation, CD154 can be used as a marker for activated antigen-specific CD4
+
T cells. Adding a CD40-blocking antibody during the stimulation of cell suspensions prevents the down-regulation of CD154. Blocking of CD40 is not required for intracellular detection of CD154 expression or if a pure population of enriched T cells is used.
Additional information: Clone REA785 displays negligible binding to Fc receptors.
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