3Fukuse T, Hirata T, Naiki H, et al. Expression of proliferating cell nuclear antigen and cd44 variant isoforms in the primary and metastatic sites of nonsmall cell lung carcinoma with intrapulmonary metastases, Cancer. 1999;86:1174
4Sereaton GR, Bell MV, Jackson DG, et al. Genomic struc-tere of DNA encoding the lymphocyte homing receptor CD44 reveals at least 12 altermatively spliced exons, Proe Natl Acad Sci USA, 1992; 89:12160
5Salmi M, Gron VK, Sonitu P, et al. Regulated expression of exon V6 containing isoforms of CD44 in man downregula-tion during malignant transformation of tumors of squamo-cellular origin J Cell Biol, 1993; 122:431
7Tuhkanen AL, Tammi M, Tammi R. CD44 substituted with heparan sulfate and endo-β-galactosidase-sensitive oligosccharides: a major proteoglycan in adult human epi-dermis,J Invest Dermatol,1997;109:213
9Herrlich P, Zoller M, Pals ST, et al. CD44 splice variants: metastases meet lymphocytes , Immunol Today 1993;14:395
10Trochon V,Mabilat C,Bertrand P, et al. Evidence of in-volvement of CD44 in endothelial cell proliferation ,migra-tion and angiogenesis in vitro,Int J Cancer ,1996; 66:664
