RU2016138469A - Способ очистки конъюгатов на основе il-15/il-15r-альфа - Google Patents

Способ очистки конъюгатов на основе il-15/il-15r-альфа Download PDF

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RU2016138469A
RU2016138469A RU2016138469A RU2016138469A RU2016138469A RU 2016138469 A RU2016138469 A RU 2016138469A RU 2016138469 A RU2016138469 A RU 2016138469A RU 2016138469 A RU2016138469 A RU 2016138469A RU 2016138469 A RU2016138469 A RU 2016138469A
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amino acid
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deae
sepharose
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Давид БЕШАР
МАРТИНОФФ Ги ДЕ
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Ситюн Фарма
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08Selective adsorption, e.g. chromatography
    • B01D15/10Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/14Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08Selective adsorption, e.g. chromatography
    • B01D15/26Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/32Bonded phase chromatography
    • B01D15/325Reversed phase
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
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    • B01D15/26Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/36Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction
    • B01D15/361Ion-exchange
    • B01D15/363Anion-exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
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    • C07K14/715Receptors; Cell surface antigens; Cell surface determinants for cytokines; for lymphokines; for interferons
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Claims (19)

1. Способ получения композиции, содержащей мономерные конъюгаты, из образца, при этом указанный конъюгат содержит:
a) полипептид, содержащий аминокислотную последовательность интерлейкина 15 или его производных, и
b) полипептид, содержащий аминокислотную последовательность домена sushi IL-15Rα или его производных,
где указанный способ предусматривает применение анионообменной хроматографии с последующей хроматографией гидрофобного взаимодействия в отношении указанного образца.
2. Способ по п. 1, где указанный образец представляет собой образец среды для культивирования трансформированной клетки-хозяина, экспрессирующей конъюгат, при этом указанная клетка-хозяин представляет собой клетку млекопитающего, выбранную из группы, включающей клетки CHO, клетки HEK293, клетки COS, клетки PER.C6®, клетки SP2O, клетки NSO или любые клетки, происходящие от них, предпочтительно клетки CHO.
3. Способ по любому из пп. 1 или 2, где указанный способ включает стадии:
a) осуществления анионообменной хроматографии (AEX) в отношении образца с получением первого элюата и
b) осуществления хроматографии гидрофобного взаимодействия (HIC) в отношении первого элюата с получением второго элюата.
4. Способ по любому из пп. 1 или 2, где стадию a) анионообменной хроматографии (AEX) осуществляют с применением AEX-колонки или смолы, выбранной из группы, включающей Q Sepharose, например, Q Sepharose Fast Flow, Q Sepharose XL, Q Sepharose big beads, Q sepharose high performance, Q sepharose XL; DEAE Sephadex A-25, DEAE Sephadex A-50, QAE Sephadex A-25, QAE Sephadex A-50, Sourse 15Q, Sourse 30Q, Resourse Q, Capto Q, Capto DEAE, Mono Q, Toyopearl Super Q, Toyopearl DEAE, Toyopearl QAE, Toyopearl Q, Toyopearl GigaCap Q, TSKgel SuperQ, TSKgel DEAE, Fractogel EMD TMAE, Fractogel EMD TMAE HiCap, Fractogel EMD DEAE, Fractogel EMD DMAE, Macroprep High Q, Macro-prep-DEAE, Unosphere Q, Nuvia Q, POROS HQ, POROS PI, DEAE Ceramic HyperD, Q Ceramic HyperD, DEAE Sepharose Fast Flow и ANX Sepharose 4 Fast Flow.
5. Способ по п. 2, где на стадии a) осуществления анионообменной хроматографии (AEX) в отношении образца стадию загрузки проводят в буферном растворе с pH, равным 7,0 или более, предпочтительно pH, равным 7,5 или более.
6. Способ по любому из пп. 2 или 5, где на стадии b) осуществления хроматографии гидрофобного взаимодействия (HIC) в отношении образца стадию загрузки проводят в буферном растворе, содержащем соль аммония, предпочтительно сульфат аммония.
7. Способ по любому из пп. 2 или 5, где на стадии b) осуществления хроматографии гидрофобного взаимодействия (HIC) в отношении образца стадию загрузки осуществляют с помощью перемешивания первого элюата и буфера для загрузки непосредственно в ходе указанной хроматографии.
8. Способ по любому из пп. 2 или 5, где указанный способ дополнительно включает стадию применения полученного конъюгата для получения лекарственного препарата.
9. Фармацевтическая композиция, которая может быть получена с помощью способа по любому из пп. 1-8, при этом указанная композиция содержит по меньшей мере 80% мономерных конъюгатов.
10. Фармацевтическая композиция по п.9, где полипептиды a) и b) конъюгата ковалентно связаны в слитом белке.
11. Фармацевтическая композиция по любому из пп. 9 или 10, где указанный интерлейкин 15 имеет аминокислотную последовательность SEQ ID n°1, и домен sushi IL-15Rα имеет аминокислотную последовательность SEQ ID n°4.
12. Фармацевтическая композиция по любому из пп. 9 или 10, где указанный конъюгат содержит аминокислотную последовательность интерлейкина 15 или его производных в C-концевом положении по отношению к аминокислотной последовательности домена sushi IL-15Rα или его производных.
13. Фармацевтическая композиция по любому из пп. 9 или 10, где аминокислотная последовательность интерлейкина 15 или его производных и аминокислотная последовательность домена sushi IL-15Rα или производных разделены линкерной аминокислотной последовательностью с длиной 5-30 аминокислот, при этом указанный линкер содержит близкие к нейтральным аминокислоты, выбранные из группы, включающей Gly (G), Asn (N), Ser (S), Thr (T), Ala (A), Leu (L) и Gln (Q).
14. Композиция по любому из пп. 9 или 10 для лечения рака, инфекционного заболевания и/или иммунодефицитного нарушения у субъекта.
RU2016138469A 2014-03-03 2015-03-03 Способ очистки конъюгатов на основе il-15/il-15r-альфа RU2701301C2 (ru)

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EP14000742.8A EP2915569A1 (en) 2014-03-03 2014-03-03 IL-15/IL-15Ralpha based conjugates purification method
EP14000742.8 2014-03-03
PCT/EP2015/000473 WO2015131994A1 (en) 2014-03-03 2015-03-03 Il-15/il-15ralpha based conjugates purification method

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