XBP-1 specifically promotes IgM synthesis and secretion, but is dispensable for degradation of glycoproteins in primary B cells
The Journal of Experimental Medicine (2005) - Comments
pubmed: 16103408  doi: 10.1084/jem.20050575  issn: 1540-9538  issn: 0022-1007 

Boaz Tirosh, Neal N. Iwakoshi, Laurie H. Glimcher, Hidde L. Ploegh