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• W1978055905 abstract "Following spinal lesion, connections between the supra-spinal centers and spinal neuronal networks can be disturbed, which causes the deterioration or even the complete absence of sublesional locomotor activity. In Mammals, possibilities of locomotion restoration are much reduced since descending tracts either have very poor regenerative ability or do not regenerate at all. However, in lower Vertebrates, there is spontaneous locomotion recuperation after complete spinal cord transection at the mid-trunk level. This phenomenon depends on a translesional descending axon re-growth originating from the brainstem. On the other hand, cellular and molecular mechanisms underlying spinal cord regeneration and in parallel, locomotion restoration of the animal, are not well known. FGF-2 plays an important role in different processes such as neural induction, neuronal progenitor proliferation and their differentiation. Studies had shown an over expression of this growth factor after tail amputation. Nestin, a protein specific for intermediate filaments, is considered as an early marker for neuronal precursors. It has been recently shown that its expression increases after tail transection in Urodeles. Using this marker and western blots, our results show that the increase in the number of FGF-2 and FGFR2 mRNAs is correlated with an increase in neurogenesis especially in the central canal lining cells immediately after lesion. This study also confirms that spinal cord re-growth through the lesion site initially follows a rostrocaudal direction. In addition to its role known in neuronal differentiation, FGF-2 could be implicated in the differentiation of ependymal cells into neuronal progenitors." @default.
• W1978055905 created "2016-06-24" @default.
• W1978055905 creator A5054191853 @default.
• W1978055905 creator A5064998040 @default.
• W1978055905 date "2015-01-13" @default.
• W1978055905 modified "2023-09-26" @default.
• W1978055905 title "Neurogenesis and growth factors expression after complete spinal cord transection in Pleurodeles waltlii" @default.
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• W1978055905 doi "https://doi.org/10.3389/fncel.2014.00458" @default.
• W1978055905 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4292736" @default.
• W1978055905 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25628538" @default.
• W1978055905 hasPublicationYear "2015" @default.
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