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Isabelle Draper, Lane J Mahoney, Satomi Mitsuhashi, Christina A Pacak, Robert N Salomon, Peter B Kang
Mutations in the gene encoding the single transmembrane receptor multiple epidermal growth factor-like domain 10 (MEGF10) cause an autosomal recessive congenital muscle disease in humans. Although mammalian MEGF10 is expressed in the central nervous system as well as in skeletal muscle, patients carrying mutations in MEGF10 do not show symptoms of central nervous system dysfunction. drpr is the sole Drosophila homolog of the human genes MEGF10, MEGF11, and MEGF12 (JEDI, PEAR). The functional domains of MEGF10 and drpr bear striking similarities, and residues affected by MEGF10 mutations in humans are conserved in drpr...
October 2014: American Journal of Pathology
Cao Zhenlong, Hao Jiangye, Zhou Yanfen, Zhang Zhe, Ni Zhihua, Hu Yuanxiang, Liu Weili, Li Yongchao, R Storm Daniel, Z Ma Runlin, Wang Zhenshan
Adenylate cyclase 3 (AC3) is one of the major players in the olfactory signaling within the main olfactory epithelium (MOE) of mice. However, we are not ascertained whether deficiency of AC3 will lead to the differential expression of related genes in the MOE. Forward and reverse subtractive libraries were constructed by suppression subtractive hybridization (SSH) approach, with MOEs from AC3(-/-) and AC3(+/+) mice. These two libraries were primarily screened by Dot blot, differential expressed clones were sequenced and analyzed by bioinformatics, and differential expressed genes were verified by qRT-PCR...
June 2014: Yi Chuan, Hereditas
Hidenori Tabata, Tsuyoshi Hachiya, Koh-Ichi Nagata, Yasubumi Sakakibara, Kazunori Nakajima
During neocortical development, excitatory neurons are produced from apical progenitors in the ventricular zone (VZ) or from dividing cells in the subventricular zone (SVZ). We previously reported that the direct progenies of VZ cells in mice slowly exit the VZ and accumulate just above the VZ (lower SVZ) as multipolar migrating neurons, whereas subsequently dividing cells in the SVZ exit the VZ earlier than the former and become widely distributed in the SVZ. These two populations are named the slowly exiting population (SEP) and the rapidly exiting population (REP), respectively...
2013: Frontiers in Neuroanatomy
Jeremy N Kay, Monica W Chu, Joshua R Sanes
In many parts of the nervous system, neuronal somata display orderly spatial arrangements. In the retina, neurons of numerous individual subtypes form regular arrays called mosaics: they are less likely to be near neighbours of the same subtype than would occur by chance, resulting in 'exclusion zones' that separate them. Mosaic arrangements provide a mechanism to distribute each cell type evenly across the retina, ensuring that all parts of the visual field have access to a full set of processing elements...
March 22, 2012: Nature
Andrei V Krivtsov, Fedor N Rozov, Marina V Zinovyeva, P Jan Hendrikx, Yajuan Jiang, Jan W M Visser, Alexander V Belyavsky
Self-renewal and differentiation of hematopoietic stem and progenitor cells are defined by the ensembles of genes expressed by these cells. Here we report identification of a novel gene named Jedi, which is expressed predominantly in short- and long-term repopulating stem cells when compared to more mature bone marrow progenitors. Jedi mRNA encodes a transmembrane protein that contains multiple EGF-like repeats. Jedi and two earlier reported proteins, MEGF10 and MEGF11, share a substantial homology and are likely to represent a novel protein family...
June 1, 2007: Journal of Cellular Biochemistry
T Nagase, M Nakayama, D Nakajima, R Kikuno, O Ohara
To accumulate information on the coding sequences of unidentified genes, we have carried out a sequencing project of human cDNA clones which encode large proteins. We herein present the entire sequences of 100 cDNA clones of unidentified human genes, named KIAA1776 and KIAA1780-KIAA1878, from size-fractionated cDNA libraries derived from human fetal brain, adult whole brain, hippocampus and amygdala. Most of the cDNA clones to be entirely sequenced were selected as cDNAs which were shown to have coding potentiality by in vitro transcription/translation experiments, and some clones were chosen by using computer-assisted analysis of terminal sequences of cDNAs...
April 27, 2001: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
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