Biological process

positive regulation of B cell receptor signalling pathway, positive regulation of B lymphocyte receptor signaling pathway, positive regulation of B lymphocyte receptor signalling pathway, positive regulation of B-cell receptor signaling pathway, positive regulation of B-cell receptor signalling pathway, positive regulation of B-lymphocyte receptor signaling pathway, positive regulation of B-lymphocyte receptor signalling pathway, up regulation of B cell receptor signaling pathway, up-regulation of B cell receptor signaling pathway, upregulation of B cell receptor signaling pathway

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