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An automated system for high-throughput single cell-based breeding.

Yoshimoto, Nobuo; Kida, Akiko; Jie, Xu; Kurokawa, Masaya; Iijima, Masumi; Niimi, Tomoaki; Maturana, Andrés D; Nikaido, Itoshi; Ueda, Hiroki R; Tatematsu, Kenji; Tanizawa, Katsuyuki; Kondo, Akihiko; Fujii, Ikuo; Kuroda, Shun'ichi.
Sci Rep; 3: 1191, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23378922
When establishing the most appropriate cells from the huge numbers of a cell library for practical use of cells in regenerative medicine and production of various biopharmaceuticals, cell heterogeneity often found in an isogenic cell population limits the refinement of clonal cell culture. Here, we demonstrated high-throughput screening of the most suitable cells in a cell library by an automated undisruptive single-cell analysis and isolation system, followed by expansion of isolated single cells. This system enabled establishment of the most suitable cells, such as embryonic stem cells with the highest expression of the pluripotency marker Rex1 and hybridomas with the highest antibody secretion, which could not be achieved by conventional high-throughput cell screening systems (e.g., a fluorescence-activated cell sorter). This single cell-based breeding system may be a powerful tool to analyze stochastic fluctuations and delineate their molecular mechanisms.