RU2019104180A - ХИМЕРНЫЕ БЕЛКИ ДЛЯ НАЦЕЛИВАНИЯ дцРНК - Google Patents

ХИМЕРНЫЕ БЕЛКИ ДЛЯ НАЦЕЛИВАНИЯ дцРНК Download PDF

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RU2019104180A
RU2019104180A RU2019104180A RU2019104180A RU2019104180A RU 2019104180 A RU2019104180 A RU 2019104180A RU 2019104180 A RU2019104180 A RU 2019104180A RU 2019104180 A RU2019104180 A RU 2019104180A RU 2019104180 A RU2019104180 A RU 2019104180A
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recombinant protein
chimeric recombinant
dsrna
protein according
seq
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RU2019104180A
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RU2806285C2 (ru
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Александр ЛЕВИЦКИ
Яэль ЛАНГУТ
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Таргиммьюн Терапьютикс Аг
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/46Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
    • C07K14/47Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
    • C07K14/4701Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
    • C07K14/4748Tumour specific antigens; Tumour rejection antigen precursors [TRAP], e.g. MAGE
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6835Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
    • A61K47/6851Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61P35/00Antineoplastic agents
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • C07K16/3069Reproductive system, e.g. ovaria, uterus, testes, prostate
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    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/117Nucleic acids having immunomodulatory properties, e.g. containing CpG-motifs
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/62DNA sequences coding for fusion proteins
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • AHUMAN NECESSITIES
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    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6835Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
    • A61K47/6851Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell
    • A61K47/6869Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell the tumour determinant being from a cell of the reproductive system: ovaria, uterus, testes, prostate
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/77Internalization into the cell
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/60Fusion polypeptide containing spectroscopic/fluorescent detection, e.g. green fluorescent protein [GFP]
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    • C07KPEPTIDES
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    • C07K2319/85Fusion polypeptide containing an RNA binding domain
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    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/10Type of nucleic acid
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    • C12N2320/00Applications; Uses
    • C12N2320/30Special therapeutic applications
    • C12N2320/32Special delivery means, e.g. tissue-specific

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Claims (23)

1. Химерный рекомбинантный белок, содержащий:
- домен, связывающий двухцепочечную РНК (дцРНК); и
- фрагмент, связывающий мишень, который связывается с простатическим поверхностным мембранным антигеном (PSMA).
2. Химерный рекомбинантный белок по п. 1, дополнительно содержащий спейсерный пептид между доменом, связывающим дцРНК, и фрагментом, связывающим мишень.
3. Химерный рекомбинантный белок по п. 1 или 2, характеризующийся тем, что указанный домен, связывающий дцРНК, содержит по меньшей мере один мотив, связывающий двухцепочечную РНК (dsRBM).
4. Химерный рекомбинантный белок по п. 3, характеризующийся тем, что указанный по меньшей мере один dsRBM выбран из dsRBM-мотива дцРНК-зависимой протеинкиназы (PKR), TRBP, PACT, Staufen, NFAR1, NFAR2, SPNR, RHA и NREBP.
5. Химерный рекомбинантный белок по п. 3, характеризующийся тем, что указанный по меньшей мере один dsRBM содержит полипептидную последовательность, которая по меньшей мере на 70% идентична аминокислотам 1-197 PKR человека, представленным в SEQ ID NO: 18.
6. Химерный рекомбинантный белок по любому из пп. 1-5, характеризующийся тем, что указанный фрагмент, связывающий мишень, представляет собой полипептид, антитело, фрагмент антитела или миметик антитела.
7. Химерный рекомбинантный белок по п. 2, характеризующийся тем, что указанный спейсерный пептид выбран из группы, состоящей из олигопептида, содержащего последовательность распознавания протеазы; гомоолигопептида из положительно заряженной аминокислоты; и их комбинации.
8. Химерный рекомбинантный белок по п. 7, характеризующийся тем, что указанный спейсерный пептид представляет собой гомоолигопептид аргинина.
9. Химерный рекомбинантный белок по любому из пп. 2-8, характеризующийся тем, что указанный домен, связывающий двухцепочечную РНК (дцРНК), представляет собой по меньшей мере один домен, связывающий дцРНК, из PKR человека, представленный в SEQ ID NO: 18, или его функциональный вариант,
причем указанный спейсерный пептид представляет собой ARG9, представленный в SEQ ID NO: 5, или его функциональный вариант, и
при этом указанный фрагмент, связывающий мишень, представляет собой одноцепочечное антитело к PSMA, представленное в SEQ ID NO: 20, или его функциональный вариант.
10. Химерный рекомбинантный белок по п. 9, содержащий полипептид, который по меньшей мере на 70% идентичен последовательности, представленной в SEQ ID NO: 3.
11. Комплекс, содержащий химерный рекомбинантный белок по любому из пп. 1-10 и дцРНК.
12. Комплекс по п. 11, характеризующийся тем, что указанная дцРНК содержит цепь полиинозиновой кислоты и цепь полицитидиловой кислоты (полиIC).
13. Нуклеиновая кислота, содержащая последовательность нуклеиновой кислоты, кодирующую рекомбинантный белок по любому из пп. 1-10.
14. Нуклеиновая кислота по п. 13, характеризующаяся тем, что указанная последовательность нуклеиновой кислоты оптимизирована для экспрессии в бактериальной или растительной клетке-хозяине.
15. Химерный рекомбинантный белок по любому из пп. 1-10 или комплекс по п. 11 или 12 для применения в лечении рака предстательной железы или ингибировании роста новой сосудистой сети опухоли.
16. Способ лечения рака предстательной железы или ингибирования роста новой сосудистой сети опухоли, включающий:
введение субъекту, нуждающемуся в этом, терапевтически эффективного количества комплекса по п. 11 или 12, что обеспечивает лечение рака или ингибирование роста новой сосудистой сети опухоли.
17. Способ по п. 16, характеризующийся тем, что указанный комплекс вводят системно или локально.
18. Способ по п. 16 или 17, дополнительно включающий введение субъекту терапевтически эффективного количества мононуклеарных клеток периферической крови (МКПК).
RU2019104180A 2016-09-04 2016-12-15 ХИМЕРНЫЕ БЕЛКИ ДЛЯ НАЦЕЛИВАНИЯ дцРНК RU2806285C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662383466P 2016-09-04 2016-09-04
US62/383,466 2016-09-04
PCT/IL2016/051341 WO2018042411A1 (en) 2016-09-04 2016-12-15 Chimeric proteins for targeting dsrna

Publications (3)

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RU2019104180A true RU2019104180A (ru) 2020-10-05
RU2019104180A3 RU2019104180A3 (ru) 2021-06-24
RU2806285C2 RU2806285C2 (ru) 2023-10-30

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BR112019004017A2 (pt) 2019-06-25
CA3034989A1 (en) 2018-03-08
EP3507308A1 (en) 2019-07-10
US20190194282A1 (en) 2019-06-27
US20180346596A1 (en) 2018-12-06
CN109790225A (zh) 2019-05-21
AU2016421686A1 (en) 2019-04-04
JP2019534037A (ja) 2019-11-28
JP2022104932A (ja) 2022-07-12
WO2018042411A1 (en) 2018-03-08
JP7096249B2 (ja) 2022-07-05
CN109790225B (zh) 2022-09-09
US11230580B2 (en) 2022-01-25
US11912747B2 (en) 2024-02-27
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