Trefoil factor 1, Breast cancer estrogen-inducible protein, PNR-2, Polypeptide P1A, hP1A, Protein pS2, TFF1, BCEI, PS2
Stabilizer of the mucous gel overlying the gastrointestinal mucosa that provides a physical barrier against various noxious agents. May inhibit the growth of calcium oxalate crystals in urine.