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An early role for W...
An early role for WNT signaling in specifying neural patterns of Cdx and Hox gene expression and motor neuron subtype identity
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- Nordström, Ulrika, 1971- (författare)
- Umeå universitet,Umeå centrum för molekylär medicin (UCMM)
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- Maier, Esther, 1974- (författare)
- Umeå universitet,Umeå centrum för molekylär medicin (UCMM)
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Jessell, Thomas M (författare)
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- Edlund, Thomas (författare)
- Umeå universitet,Umeå centrum för molekylär medicin (UCMM)
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(creator_code:org_t)
- 2006-07-18
- 2006
- Engelska.
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Ingår i: PLoS biology. - : Public library of science. - 1544-9173 .- 1545-7885. ; 4:8, s. 1438-1452
- Relaterad länk:
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http://www.ncbi.nlm....
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https://umu.diva-por... (primary) (Raw object)
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https://journals.plo...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The link between extrinsic signaling, progenitor cell specification and neuronal subtype identity is central to the developmental organization of the vertebrate central nervous system. In the hindbrain and spinal cord, distinctions in the rostrocaudal identity of progenitor cells are associated with the generation of different motor neuron subtypes. Two fundamental classes of motor neurons, those with dorsal (dMN) and ventral (vMN) exit points, are generated over largely non-overlapping rostrocaudal domains of the caudal neural tube. Cdx and Hox genes are important determinants of the rostrocaudal identity of neural progenitor cells, but the link between early patterning signals, neural Cdx and Hox gene expression, and the generation of dMN and vMN subtypes, is unclear. Using an in vitro assay of neural differentiation, we provide evidence that an early Wnt-based program is required to interact with a later retinoic acid- and fibroblast growth factor–mediated mechanism to generate a pattern of Cdx and Hox profiles characteristic of hindbrain and spinal cord progenitor cells that prefigure the generation of vMNs and dMNs.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- Animals
- Avian Proteins/genetics/metabolism
- Central Nervous System/*embryology
- Chick Embryo
- Fibroblast Growth Factors/metabolism
- Gene Expression Regulation; Developmental
- Genes; Homeobox
- Homeodomain Proteins/genetics/*metabolism
- Motor Neurons/*cytology/metabolism
- Rhombencephalon/cytology/embryology/metabolism
- Signal Transduction
- Spinal Cord/cytology/embryology/metabolism
- Stem Cells/cytology/metabolism
- T-Box Domain Proteins/genetics/metabolism
- Tretinoin/metabolism
- Wnt Proteins/genetics/*metabolism
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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