2011
DOI: 10.1590/s1676-26492011000100005
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O papel das proteínas do citoesqueleto na fisiologia celular normal e em condições patológicas

Abstract: RESuMOIntrodução: O citoesqueleto é uma complexa rede de proteínas que determina a forma da célula. Ele é fundamental para que ocorra a movimentação celular; proporciona o suporte estrutural e mobilidade de organelas intracelulares e a estrutura para movimentação e separação de cromossomos durante a divisão celular. Os componentes principais do citoesqueleto são os microfilamentos, os filamentos intermediários e os microtúbulos. Os microtúbulos são formados por dímeros de a e b tubulina que se associam à prote… Show more

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Cited by 3 publications
(4 citation statements)
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References 61 publications
(65 reference statements)
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“…Alpha- and beta-tubulin dimers form the microtubules related to specific proteins and regulate certain signaling pathways mediated by the G protein. Previous studies indicate that F alters the structure, metabolism, and dynamics of the microtubular system ( Wang et al, 1990 ; Kovács et al, 2008 ; Monteiro et al, 2011 ). In this study, the beta-tubulin protein-3 (Q9ERD7), beta-4 (Q9D6F9), beta-4B (P68372), beta-2B (Q9CWF2), beta-5 (P99024) beta-2A (Q7TMM9), beta-6 (Q922F4), alpha-1a (P68369), and alpha-4a (P68368) were downregulated after exposure to the 50 mgF/L group ( Supplementary Table S4 ).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Alpha- and beta-tubulin dimers form the microtubules related to specific proteins and regulate certain signaling pathways mediated by the G protein. Previous studies indicate that F alters the structure, metabolism, and dynamics of the microtubular system ( Wang et al, 1990 ; Kovács et al, 2008 ; Monteiro et al, 2011 ). In this study, the beta-tubulin protein-3 (Q9ERD7), beta-4 (Q9D6F9), beta-4B (P68372), beta-2B (Q9CWF2), beta-5 (P99024) beta-2A (Q7TMM9), beta-6 (Q922F4), alpha-1a (P68369), and alpha-4a (P68368) were downregulated after exposure to the 50 mgF/L group ( Supplementary Table S4 ).…”
Section: Discussionmentioning
confidence: 99%
“…The cellular cytoskeleton is mainly composed of microfilaments, intermediate filaments, and microtubules. Alpha-and beta-tubulin dimers form the microtubules related (Wang et al, 1990;Kovács et al, 2008;Monteiro et al, 2011). In this study, the beta-tubulin protein-3 (Q9ERD7), beta-4 (Q9D6F9), beta-4B (P68372), beta-2B (Q9CWF2), beta-5 (P99024) beta-2A (Q7TMM9), beta-6 (Q922F4), alpha-1a (P68369), and alpha-4a (P68368) were downregulated after exposure to the 50 mgF/L group (Supplementary Table S4).…”
Section: Discussionmentioning
confidence: 99%
“…The deposition of β-amyloid aggregates, and the hyperphosphorylation of TAU protein, the main hallmarks of AD, leads to neural physiology alterations, especially in synapses, causing cellular impairment and death [28]. In agreement, Monteiro et al (2011) showed that this TAU protein hyperphosphorylation results in its deposition in cellular filaments responsible for the neurodegeneration process occurring in AD [29].…”
Section: Discussionmentioning
confidence: 93%
“…It is composed of three structural complexes: microtubules (MT), neurofilaments (NF), and microfilaments (MF) [ 1 ]. MTs are composed of α- and β-tubulin dimers to which specific proteins called microtubule-associated proteins (MAPs) are attached [ 2 ]. Isoforms from the MAP2 family (MAP2A and MAP2B) are expressed exclusively in mature neurons; they are involved in the stabilization and strengthening of the rigidity of microtubules, inhibition of polymerization, and modulation of neurite development [ 3 ].…”
Section: Introductionmentioning
confidence: 99%