نتایج جستجو برای: erbb1
تعداد نتایج: 434 فیلتر نتایج به سال:
Cystic fibrosis (CF) is caused by mutations in the cystic transmembrane conductance regulator (CFTR) gene. It has been postulated that reduced HCO 3 ? transport through CFTR may lead to a decreased airway surface liquid pH. In contrast, others have reported no changes extracellular pH (pHe). We recently carcinoma Caco-2/pRS26 cells (transfected with short hairpin RNA for CFTR) or CF lung epithe...
BACKGROUND There is increasing evidence that opioid analgesics may interfere with tumour growth. It is currently thought that these effects are mediated by transactivation of receptor tyrosine kinase (RTK)-controlled ERK1/2 and Akt signalling. The growth of many breast cancer cells is dependent on hyperactive ErbB receptor networks and one of the most successful approaches in antineoplastic the...
Inhibitors of the molecular chaperone Hsp90 have been shown to enhance tumor cell radiosensitivity. To begin to address the mechanism responsible, we have determined the effect of the Hsp90 inhibitor 17-(dimethylaminoethylamino)-17-demethoxygeldanamycin (17DMAG) on the DNA damage response to radiation. Exposure of MiaPaCa tumor cells to 17DMAG, which results in radiosensitization, inhibited the...
The impact of human chorionic gonadotropin (hCG) on prostate carcinoma viability was investigated. Treatment of LNCaP and PC-3 cells with hCG modestly reduced cell viability within 96 h. Treatment of cells with hCG followed by exposure to ionizing radiation enhanced radiosensitivity. Exposure of LNCaP cells to hCG promoted activation of epidermal growth factor receptor (ERBB1) via a Galpha(i)-,...
PURPOSE This study was designed to investigate the biological and therapeutic significance of ERBB1, ERBB2, ERBB3, and ERBB4 in childhood ependymoma. EXPERIMENTAL DESIGN The expression frequency and clinical significance of ERBB1-4 was analyzed in a large cohort of pediatric ependymoma (n = 121) using immunohistochemistry, Western blotting, and reverse transcription-PCR analysis. Histological...
Cyclic mechanical stretch of bladder smooth muscle cells (SMC) increases rates of DNA synthesis and stimulates transcription of the gene for heparin-binding epidermal growth factor-like growth factor (HB-EGF), an ErbB1/EGF receptor ligand that has been linked to hypertrophic bladder growth. In this study we sought to clarify the signaling pathways responsible for mechanotransduction of the stre...
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