FAM168A and tongue cancer: Tongue cancer resistance-associated protein 1 (TCRP1) was cloned by our lab from the tongue cancer multidrug resistance cell line Tca8113/pingyangmycin, which showed resistance to pingyangmycin, cisplatin, pirarubicin, paclitaxel and adriamycin.6 TCRP1 gene is located on chromosome 11, q13.4, contains 8 exons.