Table 2. Down regulation of LPRR 4 protein in various types of DES cases as determined by 2D electrophoresis and PDQuest analysis.

Name	DES with Primary Sjogren’s(n = 15)	DES with Non Sjogren’s(n = 26)	DES secondary to RA(n = 26)
% cases down regulated	100	100	96
% ↓ spot intensity	75	80	75