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    Science. 2008 Oct 17;322(5900):390-5.

    Feedback loops shape cellular signals in space and time.

    Brandman O, Meyer T.

    Department of Cellular and Molecular Pharmacology, University of California-San Francisco and Howard Hughes Medical Institute, San Francisco, CA 94158, USA. Onn.Brandman@ucsf.edu

    Positive and negative feedback loops are common regulatory elements in biological signaling systems. We discuss core feedback motifs that have distinct roles in shaping signaling responses in space and time. We also discuss approaches to experimentally investigate feedback loops in signaling systems.

    PMID: 18927383 [PubMed - indexed for MEDLINE]

    PMCID: 2680159

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