Any process that stops, prevents or reduces the rate, frequency or extent of cell activation.

Any process that activates or increases the rate, frequency or extent of activation.

negative regulation of T cell activation

negative regulation of T-lymphocyte activation

Any process that stops, prevents or reduces the rate, frequency or extent of T cell activation.

negative regulation of B cell activation

negative regulation of B-lymphocyte activation

Any process that stops, prevents or reduces the rate, frequency or extent of B cell activation.

positive regulation of calcium-mediated signaling

Any process that activates or increases the rate, frequency or extent of calcium-mediated signaling.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a B- or T cell.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.

A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.

regulation of antigen receptor mediated signaling pathway

regulation of antigen receptor mediated signalling pathway

Any process that modulates the frequency, rate or extent of signaling pathways initiated by the cross-linking of an antigen receptor on a B- or T cell.

regulation of B cell receptor signaling pathway

regulation of B-lymphocyte receptor signalling pathway

Any process that modulates the frequency, rate or extent of signaling pathways initiated by the cross-linking of an antigen receptor on a B cell.

regulation of T cell receptor signaling pathway

regulation of T-lymphocyte receptor signalling pathway

Any process that modulates the frequency, rate or extent of signaling pathways initiated by the cross-linking of an antigen receptor on a T cell.

positive regulation of antigen receptor mediated signaling pathway

positive regulation of antigen receptor mediated signalling pathway

Any process that activates or increases the rate, frequency or extent of signaling pathways initiated by the cross-linking of an antigen receptor on a B- or T cell.