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XB-ART-23895
Proc Natl Acad Sci U S A 1992 Apr 01;897:3060-4.
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Mammalian neurotrophin-4: structure, chromosomal localization, tissue distribution, and receptor specificity.

Ip NY , Ibáñez CF , Nye SH , McClain J , Jones PF , Gies DR , Belluscio L , Le Beau MM , Espinosa R , Squinto SP .


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Nerve growth factor, brain-derived neurotrophic factor, and neurotrophin-3 (NT-3) are the three members of the neurotrophin family known to exist in mammals. Recently, a fourth neurotrophin (designated neurotrophin-4 or NT-4), which shares all of the features found in the mammalian neurotrophins, has been identified in Xenopus and viper. We used sequences specific to the Xenopus/viper NT-4 to isolate a neurotrophin from both human and rat genomic DNA that appears to represent the mammalian counterpart of Xenopus/viper NT-4. Human NT-4 as well as a human NT-4 pseudogene colocalize to chromosome 19 band q13.3. Mammalian NT-4 has many unusual features compared to the previously identified neurotrophins and is less conserved evolutionarily than the other neurotrophins. However, mammalian NT-4 displays bioactivity and trk receptor specificity similar to that of Xenopus NT-4.

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Species referenced: Xenopus
Genes referenced: ntf4

References [+] :
Berkemeier, Neurotrophin-5: a novel neurotrophic factor that activates trk and trkB. 1991, Pubmed