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Embryonic stem (ES) cells are pluripotent cells that can self-renew or differentiate into many cell types. A unique network of transcription factors and signalling molecules are essential for maintaining this capability. Here, we report that a spalt family member, Sall4, is required for the pluripotency of ES cells. Similarly to Oct4, a reduction in Sall4(More)
Desmosomes are one component of the intercellular junctional complex in epithelia. In cultures of epithelial cells, desmosome assembly can be regulated by modulating the calcium concentrations of the growth media. At present, very little is known about the intracellular signal transduction mechanisms that regulate desmosome assembly and disassembly in(More)
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