Distinctive traits of normal and tumor-derived human mammary epithelial cells expressed in a medium that supports long-term growth of both cell types

V. Band, R. Sager

Research output: Contribution to journalArticlepeer-review

254 Scopus citations

Abstract

A medium is described that supports long-term growth in culture of human primary mammary tumor cells, of normal epithelial cells from mammoplasty, and of mammary tumor cell lines. Tumor cells are shown to be distinguishable from normal mammary epithelial cells by morphology, by growth requirements, and by two markers: preferential expression of the HMFG-2 epitope on tumor cells and preferential retention in tumor cell mitochondria of the lipophilic fluorescent dye rhodamine 123. Differential fluorescence of HMFG-2 fluorescein-conjugated antibodies can be used as a basis for separation of normal and tumor cells in a fluorescence-activated cell sorter, as can differential retention of rhodamine 123.

Original languageEnglish (US)
Pages (from-to)1249-1253
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume86
Issue number4
DOIs
StatePublished - 1989

ASJC Scopus subject areas

  • General

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