## Abstract Transforming growth factor Ξ± (TGFΞ±) is a growth factor produced by colon cancer cells which may function as an autocrine growth regulator. Therefore, the proliferation and transformation of colon cancer cells might be attenuated by blocking the production of endogenous TGFΞ±. GEO cells,
Amphiregulin anti-sense oligodeoxynucleotides inhibit growth and transformation of a human colon carcinoma cell line
β Scribed by Nicola Normanno; Mouna P. Selvam; Caterina Bianco; Vincenzo Damiano; Ernesto de Angelis; Michele Grassi; Gabriella Magliulo; Giampaolo Tortora; David S. Salomon; Fortunato Ciardiello
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- French
- Weight
- 604 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0020-7136
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β¦ Synopsis
Amphiregulin (AR) is a secreted heparin-binding growth factor that is structurally and functionally related to epidermal growth factor (EGF) and transforming growth factor a (TGFa). CEO cells are from a human colon cancer cell line that expresses high levels of AR protein and mRNA. To assess the role of AR in colon-cancer cell proliferation and transformation, 2 different anti-sense 20-mer phosphorothioate oligodeoxynucleotides (AR AS-I and AR AS-2 S-oligos) complementary to the 5 ' sequence of AR rnRNA were synthesized. Both AR AS
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## Abstract Human colon cancer cell lines express epidermal growth factor (EGF) mRNA, secrete EGF and may respond to it __via__ the cellβsurface EGF receptor (EGFR). Expression of these molecules in human colon and colon tumor, however, is not clear. Reverse transcriptionβpolymerase chain reaction
Overexpression of the c-erbB-2 proto-oncogene product (p I 85c-e\*B-2) occurs frequently in different types of human cancer and is correlated with a significantly decreased survival in ovarian cancer patients. The effect of c-erbB-2 anti-sense phosphorothioate oligodeoxynucleotides (S-ODNs) was exam
## I c x a s 770 3 0 Alterations in the binding of transforming growth factor-p (TGF-P) to the MOSCR human colon carcinoma cell line caused by N,N-dirnethylformamide (DMF) or extrac-rllular matrix (ECM) werc examined. LIMF induced a morc dif'fercntiated phenntypc in the MOStK cells and resulted in
## Abstract The effects of EGF and TGFβΞ²1 on the proliferation of 2 ovarian carcinoma cell lines (IGROV1 and OVCCR1) were evaluated. The cell lines were adapted to grow in a restricted serum (0.5%) medium. EGF was required for proliferation of both ovarian cell lines. Low doses of TGFβΞ²1 inhibited