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A high-throughput screen for single gene activities: isolation of apoptosis inducers

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons77669

Albayrak,  T.
Former Research Groups, Max Planck Institute of Biochemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons78031

Grimm,  S.
Former Research Groups, Max Planck Institute of Biochemistry, Max Planck Society;

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Albayrak, T., & Grimm, S. (2003). A high-throughput screen for single gene activities: isolation of apoptosis inducers. Biochemical and Biophysical Research Communications, 304(4), 772-776.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-6BE3-8
Abstract
We describe a novel genetic screen that is performed by transfecting every individual clone of an expression library into a separate population of cells in a high-throughput mode. The screen allows one to achieve a hitherto unattained sensitivity in expression cloning which was exploited in a first read-out to clone apoptosis-inducing genes. This led to the isolation of several genes whose proteins induce distinct phenotypes of apoptosis in 293T cells. One of the isolated genes is the tumor suppressor cytochrome b(L) (cybL), a component of the respiratory chain complex 11, that diminishes the activity of this complex for apoptosis induction. This gene is more efficient and specific for causing cell death than a drug with the same activity. These results suggest further applications, both of the isolated genes and the screen. (C) 2003 Elsevier Science (USA). All rights reserved.