SCGB3A2 and Carcinoma, Lewis Lung: We recently reported that multi-functional small secreted protein, secretoglobin family 3A member 2 (SCGB3A2), also known as UGRP1 (uteroglobin-related protein 1)14–16 is a potent LPS-binding protein and works as a chaperone to deliver LPS into mouse Lewis lung carcinoma (LLC) cells17.