Pparγ1 Facilitates ErbB2-Mammary Adenocarcinoma in Mice
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چکیده
منابع مشابه
The receptor tyrosine kinase EphA2 promotes mammary adenocarcinoma tumorigenesis and metastatic progression in mice by amplifying ErbB2 signaling.
Overexpression of the receptor tyrosine kinase EPH receptor A2 (EphA2) is commonly observed in aggressive breast cancer and correlates with a poor prognosis. However, while EphA2 has been reported to enhance tumorigenesis, proliferation, and MAPK activation in several model systems, other studies suggest that EphA2 activation diminishes these processes and inhibits the activity of MAPK upon lig...
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Thirty percent of human breast cancers have amplification of ERBB2, often in conjunction with mutations in p53. The most common p53 mutation in human breast cancers is an Arg-to-His mutation at codon 175, an allele that functions in a dominant oncogenic manner in tumorigenesis assays and is thus distinct from loss of p53. Transgenic mice expressing mouse mammary tumor virus-driven neu transgene...
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Most human tumors display inactivation of the p53 and the p16(INK4)/pRb pathway. The Ink4a/alternative reading frame (ARF) locus encodes the p16(INK4a) and p14(ARF) (murine p19(ARF)) proteins. p16(INK4a) is deleted in 40-60% of breast cancer cell lines, and p16(INK4a) inactivation by DNA methylation occurs in < or =30% of human breast cancers. In mice genetically heterozygous for p16(INK4a) or ...
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ژورنال
عنوان ژورنال: Cancers
سال: 2021
ISSN: 2072-6694
DOI: 10.3390/cancers13092171