Mutation of the feh-1 gene, the Caenorhabditis elegans orthologue of mammalian Fe65, decreases the expression of two acetylcholinesterase genes. Export

@article{citeulike:3317652, abstract = {The molecular adaptor Fe65 is one of the cytosolic ligands of the Alzheimer''s beta-amyloid precursor protein (APP), and this complex is believed to play important roles in mammalian cells. Upon cleavage of APP by specific processing activities, the complex between Fe65 and the APP intracellular domain (AICD) translocates to the nucleus. Experimental evidence suggests that the Fe65-AICD complex regulates gene transcription. In Caenorhabditis elegans the orthologue of the Fe65 gene, feh-1, regulates pharyngeal activity. In fact, the rate of pharyngeal contraction is increased following transient or stable suppression of the feh-1 gene expression. Here we show that the increased contraction rate of the pharynx in feh-1 mutant worms is associated to decreased acetylcholinesterase activity. The decreased activity is accompanied by reduced expression of ace-1 and ace-2 transcripts, coding for the two major acetylcholinesterase activities in the nematode. These results indicate a target of the regulatory mechanisms based on the Fe65-APP complex that could be relevant for the pathogenesis of Alzheimer''s disease.}, author = {Bimonte, M. and Gianni, D. and Allegra, D. and Russo, T. and Zambrano, N.}, citeulike-article-id = {3317652}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/15355315}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=15355315}, citeulike-linkout-2 = {http://www.wormbase.org/db/misc/paper?name=WBPaper00024452}, journal = {European Journal of Neuroscience}, keywords = {ace-1, ace-2, ace-3, ace-4, article, c\_elegans, caenorhabditis\_elegans, celegans, elegans, feh-1, nematode, w09b121, wormbase, y44e3a2, y48b6a7, y48b6a8, y54f10am2}, pages = {1483--1488}, posted-at = {2008-09-22 20:15:14}, priority = {3}, title = {Mutation of the feh-1 gene, the Caenorhabditis elegans orthologue of mammalian Fe65, decreases the expression of two acetylcholinesterase genes.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/15355315}, volume = {20}, year = {2004} }

TY - JOUR ID - citeulike:3317652 L3 - citeulike-article-id:3317652 N2 - The molecular adaptor Fe65 is one of the cytosolic ligands of the Alzheimer''s beta-amyloid precursor protein (APP), and this complex is believed to play important roles in mammalian cells. Upon cleavage of APP by specific processing activities, the complex between Fe65 and the APP intracellular domain (AICD) translocates to the nucleus. Experimental evidence suggests that the Fe65-AICD complex regulates gene transcription. In Caenorhabditis elegans the orthologue of the Fe65 gene, feh-1, regulates pharyngeal activity. In fact, the rate of pharyngeal contraction is increased following transient or stable suppression of the feh-1 gene expression. Here we show that the increased contraction rate of the pharynx in feh-1 mutant worms is associated to decreased acetylcholinesterase activity. The decreased activity is accompanied by reduced expression of ace-1 and ace-2 transcripts, coding for the two major acetylcholinesterase activities in the nematode. These results indicate a target of the regulatory mechanisms based on the Fe65-APP complex that could be relevant for the pathogenesis of Alzheimer''s disease. JF - European Journal of Neuroscience EP - 1488 TI - Mutation of the feh-1 gene, the Caenorhabditis elegans orthologue of mammalian Fe65, decreases the expression of two acetylcholinesterase genes. VL - 20 SP - 1483 KW - ace-1 KW - ace-2 KW - ace-3 KW - ace-4 KW - article KW - c_elegans KW - caenorhabditis_elegans KW - celegans KW - elegans KW - feh-1 KW - nematode KW - w09b121 KW - wormbase KW - y44e3a2 KW - y48b6a7 KW - y48b6a8 KW - y54f10am2 AU - Bimonte, M AU - Gianni, D AU - Allegra, D AU - Russo, T AU - Zambrano, N PY - 2004/// UR - http://view.ncbi.nlm.nih.gov/pubmed/15355315 ER -