tokens: Elevation of intracellular Ca ( 2+ ) levels are also involved because treatment with receptor associated protein , nifedipine , MK801 , removal of Ca ( 2+ ) from the medium and dantrolene all served to inhibit calcium elevation and attenuate the activation of CREB .
folded_tokens: elevation of intracellular ca ( 2+ ) level be also involve because treatment with receptor associate protein , nifedipine , mk801 , removal of ca ( 2+ ) from the medium and dantrolene all serve to inhibit calcium elevation and attenuate the activation of creb .