Sec23a as the key molecular target of ER Stress dependent modulation of COPII assembling G. Amodio1, O. Moltedo1, V. Pecoraro1, P. Remondelli2 1Dipartimento di Farmacia, Univ. of Salerno, Italy 2Dipartimento di Medicina e Chirurgia , Univ. of Salerno, Italy