Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy An elongated cluster of cells that grows into a fibril

Etymologies

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Examples

  • Four of these keratin springs are twisted together to form a rope, called a protofibril, and eleven of these protofibrils are twisted together to form a thicker rope, called a microfibril.

    Ancient Egyptian hair dye - technology finally catches up Carla 2006

  • Four of these keratin springs are twisted together to form a rope, called a protofibril, and eleven of these protofibrils are twisted together to form a thicker rope, called a microfibril.

    Archive 2006-10-01 Carla 2006

  • Rochet JC, Bieganski RM, Lansbury PT Jr (2001) Kinetic stabilization of the alpha-synuclein protofibril by a dopamine-alpha-synuclein adduct.

    PLoS ONE Alerts: New Articles Diane Latawiec et al. 2010

  • When subjected to a slightly acidic pH and elevated temperature, the protofibril-like aggregates form straight and unbranched amyloid fibrils that are 15 nm in diameter and exhibit higher order amyloid structures such as twists and bundles.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • When subjected to a slightly acidic pH and elevated temperature, the protofibril-like aggregates form straight and unbranched amyloid fibrils that are 15 nm in diameter and exhibit higher order amyloid structures such as twists and bundles.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • Although elevated temperature has been used to produce mature MstnPP fibrils quickly in this study, a physiological temperature allows protofibril and mature fibril formation over an extended time period; by comparison, fibril formation is expected to occur over many years sIBM is characterised by amyloid aggregation of the Aβ protein and severe muscle atrophy

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • Hartley DM, Zhao C, Speier AC, Woodard GA, Li S, et al. (2008) Transglutaminase induces protofibril-like amyloid-β protein assemblies that are protease-resistant and inhibit long-tem potentiation.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • These in vitro results show that MstnPP is capable of amyloid protofibril and fibril formation, supporting a role for misfolding of the myostatin precursor in the pathogenesis of sIBM.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • Circular dichroism spectroscopy reveals that MstnPP undergoes a number of structural transitions through aggregation to amyloid protofibril and fibril formation that initiate at a physiologically relevant temperature.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

  • E. coli inclusion bodies, a population of MstnPP spontaneously misfolds into amyloid protofibril-like aggregates that can be visualised using electron microscopy and bind the amyloid-specific dye thioflavin T.

    PLoS ONE Alerts: New Articles Carlene S. Starck et al. 2010

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