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TARDBP mutations in individuals with sporadic and familial amyotrophic lateral sclerosis 总被引:2,自引:0,他引:2
Kabashi E Valdmanis PN Dion P Spiegelman D McConkey BJ Vande Velde C Bouchard JP Lacomblez L Pochigaeva K Salachas F Pradat PF Camu W Meininger V Dupre N Rouleau GA 《Nature genetics》2008,40(5):572-574
Recently, TDP-43 was identified as a key component of ubiquitinated aggregates in amyotrophic lateral sclerosis (ALS), an adult-onset neurological disorder that leads to the degeneration of motor neurons. Here we report eight missense mutations in nine individuals--six from individuals with sporadic ALS (SALS) and three from those with familial ALS (FALS)--and a concurring increase of a smaller TDP-43 product. These findings further corroborate that TDP-43 is involved in ALS pathogenesis. 相似文献
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Polarized traffic in epithelial cells depends on well-organized pathways that direct secretory cargo to the apical or basolateral
plasma membrane. In MDCK cells, apical trafficking can be further divided into a lipid raft-dependent and a raft-independent
route, which separate biosynthetic cargo in a post-Golgi endosomal compartment. We have now identified KIF5C as a kinesin
motor for apical trafficking of both raft-associated sucrase isomaltase and raft-independent neurotrophin receptor. KIF5C
was identified by mass spectrometry in vesicle enriched fractions and on immunoisolated post-Golgi vesicles carrying apical
cargo. The amount of vesicle-associated KIF5C was highest on material isolated directly after trans-Golgi network release
and declined thereafter. Altogether, our data suggest that KIF5C is involved in the passage of apical cargo molecules to a
post-Golgi endosomal compartment, where further segregation into distinct vesicle populations proceeds. 相似文献
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