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Sci. STKE, 15 June 2004
Vol. 2004, Issue 237, p. tw218
[DOI: 10.1126/scisignal.2372004tw218]

EDITORS' CHOICE

DEVELOPMENT Muscular Restrictions

In metazoa, homeoproteins are involved in many different developmental processes. Lee et al. (see the Perspective by Cirillo and Zaret) describe how the Msx family of homeoproteins regulate myogenic gene expression during Xenopus embryogenesis. Msx1 homeoprotein associates with the linker histone H1b, which is involved in the structural assembly of chromatin fibers. Msx1 and H1b repress the myogenic regulator MyoD and can inhibit myogenic differentiation in cell culture and in Xenopus animal caps.

H. Lee, R. Habas, C. Abate-Shen, Msx1 cooperates with histone H1b for inhibition of transcription and myogenesis. Science 304, 1675-1678. [Abstract] [Full Text]

L. Cirillo, K. Zaret, A linker histone restricts muscle development. Science 304, 1607-1609 (2004). [Summary] [Full Text]

Citation: Muscular Restrictions. Sci. STKE 2004, tw218 (2004).


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