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Collagen XVI is a neural component of the developing and regenerating dorsal root ganglia extracellular matrix.

Abstract : Collagen XVI is a homotrimeric molecule harbouring similarities to the FACIT (fibril-associated collagens with interrupted triple helices) family of collagens (Grassel et al., 1996). Collagen XVI is expressed in skin and cartilage where it is integrated into tissue specific aggregates (Grassel et al., 1999; Kassner et al., 2003). In the nervous system, collagen XVI has been detected at lowlevel in the brain and a strong expression was also reported in spinal root fibers during development (Lai and Chu, 1996). In dorsal root ganglia (DRG), analysis of SAGE banks performed by our group during development and after nerve injury (Mechaly et al., 2006) shows a fluctuation of collagen XVI expression between the different conditions and prompted us to study it further. DRGs contain the cell bodies of neurons, the axons of which transmit sensory information from the periphery to the central nervous system. While it is well known that during development and regeneration, neurites require extracellular matrix molecules for growth and guidance (Hari et al., 2004), the composition and the role of the matrix surrounding neurons in the ganglia itself have solicited little interest. Here, we show that collagen XVI is a component of the developingDRG extracellular matrix, that following nerve injury, its expression is increased around neuronal cell bodies and that neurons express collagen XVI in the peripheral nervous system.
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https://www.hal.inserm.fr/inserm-00184083
Contributor : Christian Hamel <>
Submitted on : Tuesday, October 30, 2007 - 2:59:48 PM
Last modification on : Wednesday, July 10, 2019 - 1:30:40 AM
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Thomas Hubert, Sophie Grimal, Sabine Ratzinger, Ilana Mechaly, Susanne Grassel, et al.. Collagen XVI is a neural component of the developing and regenerating dorsal root ganglia extracellular matrix.. Matrix Biology, Elsevier, 2007, 26 (3), pp.206-10. ⟨10.1016/j.matbio.2006.10.011⟩. ⟨inserm-00184083⟩

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