Effects of small heat shock proteins on the thermal denaturation and aggregation of F-actinстатья

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

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[1] Effects of small heat shock proteins on the thermal denaturation and aggregation of f-actin / A. V. Pivovarova, V. V. Mikhailova, I. S. Chernik et al. // Biochemical and Biophysical Research Communications. — 2005. — Vol. 331, no. 4. — P. 1548–1553. Effect of recombinant chicken small heat shock protein with molecular mass 24 kDa (Hsp24) and recombinant human small heat shock protein with molecular mass 27 kDa (Hsp27) on the heat-induced denaturation and aggregation of skeletal F-actin was analyzed by means of differential scanning calorimetry and light scattering. All small heat shock proteins did not affect thermal unfolding of F-actin measured by differential scanning calorimetry, but effectively prevented aggregation of thermally denatured actin. Small heat shock protein formed stable complexes with denatured (but not with intact) F-actin. The size of these highly soluble complexes was smaller than the size of intact F-actin filaments. It is supposed that protective effect of small heat shock proteins on the cytoskeleton is at least partly due to prevention of aggregation of denatured actin. (c) 2005 Elsevier Inc. All rights reserved. [ DOI ]

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