نتایج جستجو برای: her 2 proto oncogene protein
تعداد نتایج: 3535071 فیلتر نتایج به سال:
The induction of tumors with chemicals and the production of transgenic animals are two experimental approaches to study oncogene involvement in carcinogenesis. The combination of both strategies offers an excellent model system to study tumor development. This study analyzes the potential cooperation of N-methylnitrosourea (MNU) treatment and N-ras proto-oncogene overexpression in tumorigenesi...
Clinical resistance to the HER-2 oncogene-targeting drug trastuzumab (Herceptin) exists, but studies of the resistance mechanisms are hampered by the lack of suitable experimental model systems. We established a carcinoma cell line (designated JIMT-1) from a pleural metastasis of a 62-year old patient with breast cancer who was clinically resistant to trastuzumab. JIMT-1 cells grow as an adhere...
The c-abl proto-oncogene encodes a cytoplasmic tyrosine kinase which is homologous to the src gene product in its kinase domain and in the upstream kinase regulatory domains SH2 (src homology region 2) and SH3 (src homology region 3). The murine v-abl oncogene product has lost the SH3 domain as a consequence of N-terminal fusion of gag sequences. Deletion of the SH3 domain is sufficient to rend...
PURPOSE To assess the value of changes in the expression of topoisomerase IIalpha (TopoII) and the proto-oncogene erbB-2 (HER-2) as predictors of relapse-free survival in women with operable breast cancer treated with anthracycline-based neoadjuvant chemotherapy. PATIENTS AND METHODS Seventy-seven patients with primary breast cancer who had undergone neoadjuvant anthracycline-based chemothera...
Costello syndrome (CS) is a rare genetic disorder, first described by Costello in 1971, caused by mutations in the HRAS proto-oncogene. Clinical findings include facial dysmorphism, skin disorders, cognitive impairment, cardiac and musculoskeletal defects. There is an increased risk of malignancies in these patients, due to the proto-oncogene mutation, and also sudden death secondary to heart d...
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