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Development, Vol 128, Issue 7 1147-1158, Copyright © 2001 by Company of Biologists
JOURNAL ARTICLES |
L Lei, L Ma, S Nef, T Thai and LF Parada
Center for Developmental Biology, University of Texas, Southwestern Medical Center, Dallas, TX 75390-9133, USA.
Development of the nervous system relies on stringent regulation of genes that are crucial to this process. TrkA, the receptor for nerve growth factor (NGF), is tightly regulated during embryonic development and is essential for the survival and differentiation of neural crest-derived sensory and sympathetic neurons. We have previously identified a mouse TrkA enhancer and have characterized several cis regulatory elements that are important for appropriate TrkA expression in vivo. We now report the cloning of a novel gene encoding a Kruppel-like factor from a mouse dorsal root ganglion expression library. This Kruppel-like factor, named mKlf7, binds specifically to an Ikaros core binding element that is crucial for in vivo TrkA enhancer function. Using in situ hybridization, we demonstrate that mKlf7 is coexpressed with TrkA in sensory and sympathetic neurons during embryogenesis and in adulthood. These data are consistent with the idea that mKlf7 may directly regulate TrkA gene expression in the peripheral nervous system.
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S. Smaldone, F. Laub, C. Else, C. Dragomir, and F. Ramirez Identification of MoKA, a Novel F-Box Protein That Modulates Kruppel-Like Transcription Factor 7 Activity Mol. Cell. Biol., February 1, 2004; 24(3): 1058 - 1069. [Abstract] [Full Text] [PDF]
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J. J. Bieker Kruppel-like Factors: Three Fingers in Many Pies J. Biol. Chem., September 7, 2001; 276(37): 34355 - 34358. [Full Text] [PDF]
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