Leng-Hiong Lim

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Nanog, Sox2, and Oct4 are transcription factors all essential to maintaining the pluripotent embryonic stem cell phenotype. Through a cooperative interaction, Sox2 and Oct4 have previously been described to drive pluripotent-specific expression of a number of genes. We now extend the list of Sox2-Oct4 target genes to include Nanog. Within the Nanog proximal(More)
Adenovirus E1A proteins immortalize primary animal cells and cooperate with several other oncogenes in oncogenic transformation. These activities are primarily determined by the N-terminal half (exon 1) of E1A. Although the C-terminal half (exon 2) is also essential for some of these activities, it is dispensable for cooperative transformation with the(More)
N-methyl-D-aspartate (NMDA) receptors are involved in mediating excitatory synaptic transmissions in the brain and have been implicated in numerous neurologic disorders. The proximal amino-terminal domains (ATDs) of NMDA receptors constitute many modulatory binding sites that may serve as potential drug targets. There are few biochemical and structural data(More)
A human genomic DNA fragment, pAM37 (HGM8; D21S22), was mapped to chromosome 21q2.1-q2.21 by in situ hybridization. This segment is therefore situated on the boundary of the “pathological region” of Down syndrome. A genomic restriction map encompassing 35 kb of chromosome 21 was derived and two restriction fragment length polymorphisms (RFLPs) were mapped(More)
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