作者: Yuji Okada, , Hiromitsu Takeyama , Mikinori Sato , Masayuki Morikawa , Kazuya Sobue
DOI: 10.1002/(SICI)1097-0215(19990331)81:1<67::AID-IJC13>3.0.CO;2-V
关键词: Cancer research 、 Glial cell line-derived neurotrophic factor 、 Perineural invasion 、 Neurotrophic factors 、 Biology 、 GDNF family of ligands 、 Cancer 、 Internal medicine 、 Endocrinology 、 Oncogene 、 Pancreatic cancer 、 Pancreas
摘要: Perineural invasion is a prominent clinical feature of pancreatic cancer which causes difficulty in curative resection. In the present study, human cell lines, PaCa-2, AsPC-1, SW1990 and Capan-2, were all found to express abundant c-ret proto-oncogene mRNA RET protein, member receptor-tyrosine-kinase superfamily, identified as being receptor for glial-cell-line-derived neurotrophic factor (GDNF). an assay, migration cells was markedly induced by co-cultivation with glioma cells, T98G or A172, capable producing secreting GDNF. Anti-GDNF antibody conditioned media suppressed much migratory activity. Checkerboard analysis showed both chemotactic chemokinetic activity There no detectable expression another GDNF component, glycosyl-phosphatidylinositol-linked (GFRα-1), pancreatic-cancer suggesting that neural spreads along concentration gradient produced from peripheral ganglions through direct interaction its receptor, product. Immunochemical localization celiac ganglionic tissue supported this contention. Int. J. Cancer 81:67–73, 1999. © 1999 Wiley-Liss, Inc.