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http://dbpedia.org/ontology/abstract Le complexe de l'apoptosome intervient danLe complexe de l'apoptosome intervient dans le mécanisme intrinsèque de l'apoptose. Il est formé à partir d'une protéine APAF1, de deux molécules de et de deux cytochromes c libérés par la mitochondrie. À la suite de l’interaction avec the cytochrome c, APAF-1 change de conformation et le complexe APAF-1/cytochrome c s’organise en un héptamère qui ressemble à une roue. C'est cet héptamère qui recrute la caspase-9 (procaspase-9) (caspase initiatrice) qui s’auto-active à la suite d'une dimérisation et induit l’activation des caspases exécutrices ( caspases-3 et caspases-7 ). Une fois formé, le complexe permet la libération de caspases 9 qui interviennent dans l'apoptose. Il est formé de la façon suivante : à la suite de signaux apoptotiques, les mitochondries de la cellule vont voir leur perméabilité membranaire modifiée (par l'ouverture de canaux de la membrane externe de l'organite ainsi que de l'ouverture du ) aboutissant à un éclatement de l'organite et au relargage de cytochrome C dans le cytoplasme. C'est l'association qui suit du cytochrome C et de APAF1 qui est à l'origine de la formation de l'apoptosome, entrainant la mort programmée de la cellule.trainant la mort programmée de la cellule. , Apoptossomo é um complexo proteico formadoApoptossomo é um complexo proteico formado pela associação do citocromo c à proteína Apaf-1 e à procaspase-9 durante a via intrínseca de sinalização da apoptose. O apoptossomo resulta na ativação da caspase-9, que então ativará a caspase-3, iniciando a via de execução da apoptose., iniciando a via de execução da apoptose. , Апоптосома — крупная четвертичная белковаяАпоптосома — крупная четвертичная белковая структура, формирующаяся внутри клетки в процессе апоптоза. Сборка апоптосомы запускается высвобождением цитохрома c из митохондрий в ответ на внутренние либо внешние про-апоптозные стимулы. Апоптосома активирует инициаторные каспазы, запускающие каскад апоптозных реакций.зы, запускающие каскад апоптозных реакций. , Apoptosom - kompleks powstający w cytoplazmie podstawowej z uwolnionego z mitochondriów cytochromu c i białka , do którego przyłączają się cząsteczki 9. W obrębie apoptosomu zachodzi autokatalityczna aktywacja kaspazy 9. , Ein Apoptosom (Kofferwort aus altgriechiscEin Apoptosom (Kofferwort aus altgriechisch ἀπόπτωσις apóptosis, deutsch ‚Niedergang‘ und σῶμα sōma, deutsch ‚Körper‘) ist ein Proteinkomplex, der während des programmierten Zelltods (Apoptose) gebildet wird und der Bindung und Aktivierung der Pro-Caspase 9 dient.g und Aktivierung der Pro-Caspase 9 dient. , The apoptosome is a large quaternary proteThe apoptosome is a large quaternary protein structure formed in the process of apoptosis. Its formation is triggered by the release of cytochrome c from the mitochondria in response to an internal (intrinsic) or external (extrinsic) cell death stimulus. Stimuli can vary from DNA damage and viral infection to developmental cues such as those leading to the degradation of a tadpole's tail. In mammalian cells, once cytochrome c is released, it binds to the cytosolic protein Apaf-1 to facilitate the formation of an apoptosome. An early biochemical study suggests a two-to-one ratio of cytochrome c to apaf-1 for apoptosome formation. However, recent structural studies suggest the cytochrome c to apaf-1 ratio is one-to-one. It has also been shown that the nucleotide dATP as third component binds to apaf-1, however its exact role is still debated. The mammalian apoptosome had never been crystallized, but a human APAF-1/cytochrome-c apoptosome has been imaged at lower (2 nm) resolution by cryogenic transmission electron microscopy in 2002, revealing a heptameric wheel-like particle with 7-fold symmetry. Recently, a medium resolution (9.5 Ångström) structure of human apoptosome was also solved by cryo-electron microscopy, which allows unambiguous inference for positions of all the APAF-1 domains (CARD, NBARC and WD40) and cytochrome c. There is also now a crystal structure of the monomeric, inactive Apaf-1 subunit (PDB 3SFZ). Once formed, the apoptosome can then recruit and activate the inactive pro-caspase-9. Once activated, this initiator caspase can then activate effector caspases and trigger a cascade of events leading to apoptosis. a cascade of events leading to apoptosis. , El Apoptosoma es un complejo implicado en El Apoptosoma es un complejo implicado en el proceso de apoptosis por vía intrínseca. Este complejo surge de la unión de la proteína Apaf-1 (factor de activación de la apoptosis) con el citocromo c.​ El apoptosoma produce la activación de la , para dar lugar a la . Se producen una serie de activaciones en cascada hasta llegar a la ,​ la cual se encarga de la activación de CAD separándolo del inhibidor ICAD. CAD induce la fragmentación de DNA que conduce a la muerte celular por apoptosis.conduce a la muerte celular por apoptosis. , L'apoptosoma è un complesso necessario, inL'apoptosoma è un complesso necessario, in seguito ad uno stress ossidativo, per indurre la morte programmata della cellula (apoptosi). La formazione dell'apoptosoma viene indotta dalla fuoriuscita dei citocromi dal mitocondrio e dal loro arrivo nel citoplasma. A questo punto l'apoptosoma fa sì che i monomeri di procaspasi 9 si uniscano in dimeri e formino la proteina attiva (caspasi 9). Quest'ultima catalizza la conversione della procaspasi 3 e della procaspasi 7 in caspasi 3 e 7 che portano la cellula all'apoptosi.3 e 7 che portano la cellula all'apoptosi. , Het apoptosoom is een groot quartenair eiwHet apoptosoom is een groot quartenair eiwit dat een functie vervult in de apoptose in zoogdieren. De assemblage van dit eiwit wordt bewerkstelligd door het loslaten van cytochroom c uit de mitochondriën als reactie op "interne" of "externe" celdood-signalen. Het eiwit bestaat uit zeven spaken van gebonden met cytochroom c (Apaf-2) eitwitten.onden met cytochroom c (Apaf-2) eitwitten.
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rdfs:comment Апоптосома — крупная четвертичная белковаяАпоптосома — крупная четвертичная белковая структура, формирующаяся внутри клетки в процессе апоптоза. Сборка апоптосомы запускается высвобождением цитохрома c из митохондрий в ответ на внутренние либо внешние про-апоптозные стимулы. Апоптосома активирует инициаторные каспазы, запускающие каскад апоптозных реакций.зы, запускающие каскад апоптозных реакций. , Apoptosom - kompleks powstający w cytoplazmie podstawowej z uwolnionego z mitochondriów cytochromu c i białka , do którego przyłączają się cząsteczki 9. W obrębie apoptosomu zachodzi autokatalityczna aktywacja kaspazy 9. , Ein Apoptosom (Kofferwort aus altgriechiscEin Apoptosom (Kofferwort aus altgriechisch ἀπόπτωσις apóptosis, deutsch ‚Niedergang‘ und σῶμα sōma, deutsch ‚Körper‘) ist ein Proteinkomplex, der während des programmierten Zelltods (Apoptose) gebildet wird und der Bindung und Aktivierung der Pro-Caspase 9 dient.g und Aktivierung der Pro-Caspase 9 dient. , El Apoptosoma es un complejo implicado en El Apoptosoma es un complejo implicado en el proceso de apoptosis por vía intrínseca. Este complejo surge de la unión de la proteína Apaf-1 (factor de activación de la apoptosis) con el citocromo c.​ El apoptosoma produce la activación de la , para dar lugar a la . Se producen una serie de activaciones en cascada hasta llegar a la ,​ la cual se encarga de la activación de CAD separándolo del inhibidor ICAD. CAD induce la fragmentación de DNA que conduce a la muerte celular por apoptosis.conduce a la muerte celular por apoptosis. , The apoptosome is a large quaternary proteThe apoptosome is a large quaternary protein structure formed in the process of apoptosis. Its formation is triggered by the release of cytochrome c from the mitochondria in response to an internal (intrinsic) or external (extrinsic) cell death stimulus. Stimuli can vary from DNA damage and viral infection to developmental cues such as those leading to the degradation of a tadpole's tail.ng to the degradation of a tadpole's tail. , L'apoptosoma è un complesso necessario, inL'apoptosoma è un complesso necessario, in seguito ad uno stress ossidativo, per indurre la morte programmata della cellula (apoptosi). La formazione dell'apoptosoma viene indotta dalla fuoriuscita dei citocromi dal mitocondrio e dal loro arrivo nel citoplasma. A questo punto l'apoptosoma fa sì che i monomeri di procaspasi 9 si uniscano in dimeri e formino la proteina attiva (caspasi 9). Quest'ultima catalizza la conversione della procaspasi 3 e della procaspasi 7 in caspasi 3 e 7 che portano la cellula all'apoptosi.3 e 7 che portano la cellula all'apoptosi. , Apoptossomo é um complexo proteico formadoApoptossomo é um complexo proteico formado pela associação do citocromo c à proteína Apaf-1 e à procaspase-9 durante a via intrínseca de sinalização da apoptose. O apoptossomo resulta na ativação da caspase-9, que então ativará a caspase-3, iniciando a via de execução da apoptose., iniciando a via de execução da apoptose. , Het apoptosoom is een groot quartenair eiwHet apoptosoom is een groot quartenair eiwit dat een functie vervult in de apoptose in zoogdieren. De assemblage van dit eiwit wordt bewerkstelligd door het loslaten van cytochroom c uit de mitochondriën als reactie op "interne" of "externe" celdood-signalen. Het eiwit bestaat uit zeven spaken van gebonden met cytochroom c (Apaf-2) eitwitten.onden met cytochroom c (Apaf-2) eitwitten. , Le complexe de l'apoptosome intervient danLe complexe de l'apoptosome intervient dans le mécanisme intrinsèque de l'apoptose. Il est formé à partir d'une protéine APAF1, de deux molécules de et de deux cytochromes c libérés par la mitochondrie. À la suite de l’interaction avec the cytochrome c, APAF-1 change de conformation et le complexe APAF-1/cytochrome c s’organise en un héptamère qui ressemble à une roue. C'est cet héptamère qui recrute la caspase-9 (procaspase-9) (caspase initiatrice) qui s’auto-active à la suite d'une dimérisation et induit l’activation des caspases exécutrices ( caspases-3 et caspases-7 ). exécutrices ( caspases-3 et caspases-7 ).
rdfs:label Apoptosoma , Apoptosom , Apoptossomo , Апоптосома , Apoptosome , Apoptosoom
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