Microsatellite alterations on human chromosome 11 in in situ and invasive breast cancer: a microdissection microsatellite analysis and correlation with p53, ER (estrogen receptor), and PR (progesterone receptor) protein immunoreactivity.

Abstract excerpt

BACKGROUND AND OBJECTIVES: Microsatellite instability (MSI) has been documented in a subset of sporadic tumors. Loss of heterozygosity (LOH) on chromosome 11 loci in breast cancer is a frequent event. The purpose of the present study is to examine the incidence of microsatellite alterations in in situ and invasive human breast carcinoma and to clarify their significance in regulating the dynamics of cancer...

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