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  • Title: [Differential expression of immune-associated genes in two subcloned cell lines from a same human bladder cancer].
    Author: Yang YC, Li X, Chen W.
    Journal: Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi; 2006 Sep; 22(5):625-7. PubMed ID: 16948911.
    Abstract:
    AIM: To screen and identify differentially expressed genes in subcloned lines from a same human bladder transitional cell carcinoma (TCC). METHODS: Two bladder TCC cell lines (BLX and BLS-211) with different phenotypes but same origin were used to screen for differentially expressed genes by suppression subtractive hybridization (SSH). RESULTS: 9 over-expressed genes in BLX and 15 in BLS-211 cells were obtained, respectively. Some Bacillus Galmette-Guerin(BCG)- associated genes, such as BCG induced integral membrane protein(BIGM103), fibronectin(FN), complement factor B(BF), were over-expressed in BLX cells. And 8 new ESTs(Expressed Sequence Tag) in BLS-211 cells were collected by GenBank dbEST database with the accession number of DY505708-13, DY230447-8. CONCLUSION: SSH is a powerful method for the identification of differentially expressed genes in different cell lines or clones. Some BCG-associated genes, which are differentially expressed in different cells may contribute to the different response to clinical BCG therapy. The identified new ESTs can be cloned for full length to further study their functions.
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