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Biochem Biophys Res Commun. 2003 Apr 25;304(1):125-9.

Beacon interacts with cdc2/cdc28-like kinases.

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  • 1Metabolic Research Unit, School of Health Sciences, Deakin University, Waurn Ponds 3217, Vic., Australia. kantham@deakin.edu.au <kantham@deakin.edu.au>

Abstract

Previously we found elevated beacon gene expression in the hypothalamus of obese Psammomys obesus. Beacon administration into the lateral ventricle of P. obesus stimulated food intake and body weight gain. In the current study we used yeast two-hybrid technology to screen for proteins in the human brain that interact with beacon. CLK4, an isoform of cdc2/cdc28-like kinase family of proteins, was identified as a strong interacting partner for beacon. Using active recombinant proteins and a surface plasmon resonance based detection technique, we demonstrated that the three members of this subfamily of kinases (CLK1, 2, and 4) all interact with beacon. Based on the known sequence and functional properties of beacon and CLKs, we speculate that beacon could either modulate the function of key regulatory molecules such as PTP1B or control the expression patterns of specific genes involved in the central regulation of energy metabolism.

PMID:
12705895
[PubMed - indexed for MEDLINE]
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