1997
DOI: 10.1126/science.278.5345.1957
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Sequence-Specific and Phosphorylation-Dependent Proline Isomerization: A Potential Mitotic Regulatory Mechanism

Abstract: Pin1 is an essential and conserved mitotic peptidyl-prolyl isomerase (PPIase) that is distinct from members of two other families of conventional PPIases, cyclophilins and FKBPs (FK-506 binding proteins). In response to their phosphorylation during mitosis, Pin1 binds and regulates members of a highly conserved set of proteins that overlaps with antigens recognized by the mitosis-specific monoclonal antibody MPM-2. Pin1 is here shown to be a phosphorylation-dependent PPIase that specifically recognizes the pho… Show more

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Cited by 738 publications
(847 citation statements)
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References 27 publications
(3 reference statements)
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“…22 Pin1 is the only proline isomerase that can catalyse the isomerisation of the pS/T-P bond, and it regulates numerous serine-threonine kinases and transcription factors. 30,31 Most cyclophilin targets have been predicted based on the correlation between cyclophilin levels and the activity of the protein of interest. For example, the stability, localisation and activity of the p65 subunit of NF-κB was recently shown to be regulated by association with CypA because its downregulation impaired production of NF-κB-induced cytokines while reducing the proliferation of glioblastoma cells.…”
Section: Discussionmentioning
confidence: 99%
“…22 Pin1 is the only proline isomerase that can catalyse the isomerisation of the pS/T-P bond, and it regulates numerous serine-threonine kinases and transcription factors. 30,31 Most cyclophilin targets have been predicted based on the correlation between cyclophilin levels and the activity of the protein of interest. For example, the stability, localisation and activity of the p65 subunit of NF-κB was recently shown to be regulated by association with CypA because its downregulation impaired production of NF-κB-induced cytokines while reducing the proliferation of glioblastoma cells.…”
Section: Discussionmentioning
confidence: 99%
“…Pin1 repré-sente une piste thérapeutique très intéressante pour certains cancers humains car (1) sa structure et ses modalités de fixation aux substrats sont bien décrites [4][5][6], (2) son inhibition diminue la progression tumorale dans plusieurs cancers [20,24], (3) des inhibiteurs de Pin1 ont été décrits dont la Juglone (5-hydroxy-1,4-naphtoquinone) [31] et le DTM (dipentaméthylène thiuram monosulfide) [32], et (4) les souris déficientes pour Pin1 sont viables [3], ce qui renforce l'hypothèse d'une possible utilisation des inhibiteurs de Pin1 comme traitements anticancéreux. Néanmoins, des études complémentaires sont essentielles pour développer des thérapies cellulaires ciblées avec une toxicité réduite pour l'organisme.…”
Section: Resultsunclassified
“…In vitro, Pin1 reconnaît les motifs Ser/Thr-Pro préférentiellement lorsqu'ils sont encadrés par des résidus hydrophobes ou une arginine [6]. Ainsi, Pin1 reconnaît les motifs phospho-Ser/Thr-Pro dans un environnement spécifique.…”
Section: Pin1 Est Une Isomérase Multifonctionnelleunclassified
“…Pin1 est une peptidyl-prolyl cis/trans isomerase (PPIase) qui a tout d'abord été identifiée au cours du criblage de molécules régulant la mitose [34,40] (➜). Pin1 est constituée de 163 acides aminés et contient deux domaines fonctionnels : le domaine aminoterminal de liaison WW et le domaine carboxy-terminal peptidyl-prolyl isomérase.…”
Section: Pml/trim19 Intervient Dans L'immunité Innée En Ciblant Pin1unclassified