期刊
JOURNAL OF IMMUNOLOGY
卷 171, 期 2, 页码 519-523出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.171.2.519
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资金
- Wellcome Trust [071534] Funding Source: Medline
To understand the regulatory activities of kinases in vivo requires their study across a biologically relevant window of activity. To this end, ATP analog-sensitive kinase alleles (ASKAs) specifically sensitive to a competitive inhibitor have been developed. This article tests whether ASKA technology can be applied to complex immunological systems, such as lymphoid development. The results show that when applied to reaggregate thymic organ culture, novel p56(Lck) ASKAs readily expose a dose-dependent correlation of thymocyte development with a range of p56(Lck) activity. By regulating kinase activity, rather than amounts of RNA or protein, ASKA technology offers a general means for assessing the quantitative contributions to immunology of numerous kinases emerging from genomics analyses. It can obviate the generation of multiple lines of mice expressing different levels of kinase transgenes and should permit specific biological effects to be associated with defined biochemical activities.
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