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Glycogen synthase kinase 3 beta (GSK-3β) is a multifaceted serine-threonine kinase that is of interest both because of its role in the canonical Wnt signaling pathway, which is involved in mammalian brain regionalization, and its role in phosphorylating the microtubule-associated protein Tau. Because of the potential association of GSK-3β with human developmental and neurodegenerative conditions,...
Nineteen olfactory receptor (OR) genes were isolated from three OR subfamilies in two species of marmoset (Callithrix). Olfactory receptor 912-93 has high sequence similarity among marmosets and between marmosets and humans, suggesting strong conservation of function. All of the remaining seventeen OR genes identified from subfamilies 3A and 1E were pseudogenes. Following pseudogene formation, marmoset...
Rat BTEB2 protein is a transcription factor with three zinc fingers that binds to GC box, and is expressed in the placenta, intestine, and testis. To understand mechanisms of gene expression of BTEB2, we have cloned the rat BTEB2 gene from a rat liver genomic library and determined the gene structure. The BTEB2 gene contained 4 exons. In the process of cloning of the BTEB2 gene, we cloned two pseudogenes...
Physiological functions of human genes may be studied by gene-knockout experiments in model organisms such as the mouse. This strategy relies on the existence of one-to-one gene orthology between the human and mouse. When lineage-specific gene duplication occurs and paralogous genes share a certain degree of functional redundancy, knockout mice may not provide accurate functional information on human...
The ligand-gated ion channel family includes receptors for serotonin (5-hydroxytryptamine, 5-HT), acetylcholine, GABA, and glutamate. Drugs targeting subtypes of these receptors have proven useful for the treatment of various neuropsychiatric and neurological disorders. To identify new ligand-gated ion channels as potential therapeutic targets, drafts of human genome sequence were interrogated. Portions...
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