HRP20201285T1 - Reagensi sirp-alfa visokog afiniteta - Google Patents

Reagensi sirp-alfa visokog afiniteta Download PDF

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HRP20201285T1
HRP20201285T1 HRP20201285TT HRP20201285T HRP20201285T1 HR P20201285 T1 HRP20201285 T1 HR P20201285T1 HR P20201285T T HRP20201285T T HR P20201285TT HR P20201285 T HRP20201285 T HR P20201285T HR P20201285 T1 HRP20201285 T1 HR P20201285T1
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polypeptide
sirpα
affinity
amino acid
polypeptide according
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HRP20201285TT
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Aaron Michael RING
Kenan Christopher GARCIA
Kipp Andrew WEISKOPF
Aron M. Levin
Irving L. Weissman
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The Board Of Trustees Of The Leland Stanford Junior University
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    • C07ORGANIC CHEMISTRY
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    • 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
    • C07K16/2803Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
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    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
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    • C12Y301/00Hydrolases acting on ester bonds (3.1)
    • C12Y301/03Phosphoric monoester hydrolases (3.1.3)
    • C12Y301/03048Protein-tyrosine-phosphatase (3.1.3.48)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
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    • A61K38/177Receptors; Cell surface antigens; Cell surface determinants
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    • C07K2319/00Fusion polypeptide
    • C07K2319/30Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto
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    • G01MEASURING; TESTING
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    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/5005Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells

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Claims (25)

1. Polipeptid SIRPα visokog afiniteta, naznačen time, da sadrži najmanje jednu i ne više od 15 aminokiselinskih modifikacija unutar d1 domene ljudske sekvence SIRPα divljeg tipa, pri čemu su modifikacije učinjene na ostacima koji odgovaraju ostacima odabranima iz skupine koja se sastoji od sljedećih: L4, V6, A21, V27, I31, E47, K53, E54, H56, V63, S66, K68, V92, F94 i F103 od SEQ ID NO:1, gdje aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47 u odnosu na afinitet ljudskog polipeptida SIRPα divljeg tipa i pritom polipeptidu SIRPα visokog afiniteta nedostaje domena transmembrane SIRPα.
2. Polipeptid prema patentnom zahtjevu 1, naznačen time, da polipeptid SIRPα visokog afiniteta ima KD od najmanje 1 x 10-9 M za CD47.
3. Polipeptid prema patentnom zahtjevu 1, naznačen time, da polipeptid SIRPα visokog afiniteta ima KD od najmanje 1 x 10-8 M za CD47.
4. Polipeptid prema bio kojem od patentnih zahtjeva 1 do 3, naznačen time, da (i) se polipeptid sastoji od cijele ili od dijela d1 domene SIRPα, i (ii) polipeptid sadrži aminokiselinske sekvence od SIRPα izvan d1 domene.
5. Polipeptid prema patentnom zahtjevu 1, naznačen time, da sadrži najmanje jednu aminokiselinsku modifikaciju odabranu od sljedećih: (1) L4V; L4I; (2) V6I; V6L; (3) A21V; (4) V27I; V27L; (5) I31T; I31S; I31F; (6) E47V; E47L; (7) K53R; (8) E54Q; (9) H56P; H56R; (10) S66T; S66G; (11) K68R; (12)V92I; (13) F94L; F94V; (14) V63I; i (15) F103V.
6. Polipeptid prema patentnom zahtjevu 5, naznačen time, da sadrži aminokiselinske modifikacije odabrane od sljedećih: i. V6I; V27I; I31F; E47V; K53R; E54Q; H56P; S66T; i V92I; ii. V27I ili V27L; K53R; S66T ili S66G; K68R; i F103V; iii. L4V ili L4I; V27I ili V27L; E47V ili E47L; K53R; E54Q; S66T ili S66G; K68R; V92I; i F103V; iv. L4V ili L4I; V6I ili V6L; A21V; V27I ili V27L; I31T, I31S ili I31F; E47V ili E47L; K53R; H56P ili H56R; S66T ili S66G; K68R; i F94L ili F94V; v. V6I ili V6L; V27I ili V27L; I31T, I31S ili I31F; E47V ili E47L; K53R; E54Q; H56P ili H56R; S66T ili S66G; V92I; i F94L ili F94V; vi. L4V ili L4I; A21V; V27I ili V27L; I31T, I31S ili I31F; E47V ili E47L; K53R; E54Q; H56P ili H56R; S66T ili S66G; F94L ili F94V; i F103V; vii. L4V ili L4I; V6I ili V6L; V27I ili V27L; I31T, I31S ili I31F; E47V ili E47L; K53R; H56P ili H56R; S66T ili S66G; K68R; V92I, i F94L ili F94V; viii. L4V ili L4I; V6I ili V6L; I31T, I31S ili I31F; E47V ili E47L; K53R; H56P ili H56R; S66T ili S66G; V92I; i F103V; ix. V6I; V27I; I31F; E47L; K53R; E54Q; H56P; i S66T; x. L4V; V6I; V27I; I31F; E47V; K53R; E54Q; H56P; V63I; S66T; K68R; i V92I; xi. V6I; V27I; I31T; E47V; K53R; E54Q; H56P; S66G; K68R; V92I; i F103V; xii. V27I; K53R; S66T; S66G; K68R; F103V; xiii. L4V; V27L; E47V; K53R; E54Q; S66G; K68R; V92I; xiv. L4V; V6I; A21V; V27I; I31T; E47L; K53R; H56P; S66T; K68R; F94L; xv. V6I; V27I; I31S; I31F; E47V; K53R; E54Q; H56P; S66G; V92I; F94L; xvi. L4I; A21V; V27I; I31F; E47V; K53R; E54Q; H56R; S66G; F94V; F103V; xvii. L4V; V6I; V27I; I31F; E47V; K53R; H56R; S66G; K68R; V92I; F94L; ili xviii. L4V; V6L; I31F; E47V; K53R; H56P; S66G; V92I; F103V.
7. Polipeptid prema patentnom zahtjevu 1, naznačen time, da polipeptid SIRPα visokog afiniteta sadrži aminokiselinsku sekvencu prikazanu u bilo kojem od SEQ ID NO: 3-6, 8-10 i 37-39.
8. Polipeptid prema patentnom zahtjevu 1, naznačen time, da polipeptid sadrži aminokiselinsku sekvencu prikazanu u SEQ ID NO: 10.
9. Polipeptid prema bilo kojem od patentnih zahtjeva 1 do 8, naznačen time, da je staljen na Fc sekvencu imunoglobulina.
10. Polipeptid prema bilo kojem od patentnih zahtjeva 1 do 9, naznačen time, da je polipeptid SIRPα visokog afiniteta multimer.
11. Terapeutska formulacija, naznačena time, da obuhvaća polipeptid u skladu s bilo kojim od patentnih zahtjeva 1 do 10.
12. Polipeptid prema bilo kojem od patentnih zahtjeva 1 do 10, naznačen time, da polipeptid dodatno sadrži oznaku koja se može detektirati.
13. Formulacija prema patentnom zahtjevu 11, naznačena time, da se upotrebljava u postupku liječenja raka, pri čemu postupak obuhvaća dovođenje u doticaj in vivo stanice koja eksprimira CD47 s formulacijom.
14. Formulacija za uporabu prema patentnom zahtjevu 13, naznačena time, da nadalje obuhvaća dovođenje u doticaj navedene stanice s protutijelom koje je specifično za tumor.
15. Formulacija za uporabu prema patentnom zahtjevu 13, naznačena time, da stanica koja eksprimira CD47 jest stanica raka.
16. Formulacija prema patentnom zahtjevu 11, naznačena time, da se upotrebljava u postupku liječenja upalne bolesti ili autoimune bolesti, pri čemu postupak obuhvaća davanje formulacije u spoju s terapeutskim protutijelom.
17. Postupak in vitro za modulaciju fagocitoze stanice koja eksprimira CD47, naznačen time, da obuhvaća dovođenje u doticaj in vitro navedene stanice s formulacijom u skladu s patentnim zahtjevom 11.
18. Polipeptid prema patentnom zahtjevu 12, naznačen time, da se upotrebljava u postupku prikazivanja tumora, pri čemu postupak obuhvaća dovođenje u doticaj stanica raka s polipeptidom.
19. Polipeptid prema bilo kojem od patentnih zahtjeva 1 do 9, naznačen time, da je polipeptid SIRPα visokog afiniteta monomer.
20. Polipeptid prema patentnom zahtjevu 1, naznačen time, da aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47, pomoću smanjivanja brzine odvajanja, barem 10 puta.
21. Polipeptid prema patentnom zahtjevu 1, naznačen time, da aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47, pomoću smanjivanja brzine odvajanja, barem 20 puta.
22. Polipeptid prema patentnom zahtjevu 1, naznačen time, da aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47, pomoću smanjivanja brzine odvajanja, barem 50 puta.
23. Polipeptid prema patentnom zahtjevu 1, naznačen time, da aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47, pomoću smanjivanja brzine odvajanja, barem 100 puta.
24. Polipeptid prema patentnom zahtjevu 1, naznačen time, da aminokiselinska modifikacija povećava afinitet polipeptida SIRPα koji se veže na CD47, pomoću smanjivanja brzine odvajanja, barem 500 puta.
25. Polipeptid prema bilo kojem od patentnih zahtjeva 1 do 14, naznačen time, da CD47 je ljudski CD47.
HRP20201285TT 2012-01-17 2020-08-17 Reagensi sirp-alfa visokog afiniteta HRP20201285T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261587247P 2012-01-17 2012-01-17
EP13738232.1A EP2804617B9 (en) 2012-01-17 2013-01-17 High affinity sirp-alpha reagents
PCT/US2013/021937 WO2013109752A1 (en) 2012-01-17 2013-01-17 High affinity sirp-alpha reagents

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HRP20201285T1 true HRP20201285T1 (hr) 2020-11-13

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US (3) US9944911B2 (hr)
EP (2) EP3766511A1 (hr)
JP (5) JP6460796B2 (hr)
CN (2) CN107880100A (hr)
AU (1) AU2013209736C1 (hr)
CA (1) CA2861307C (hr)
CY (1) CY1123419T1 (hr)
DK (1) DK2804617T3 (hr)
ES (1) ES2816647T3 (hr)
HK (2) HK1253217A1 (hr)
HR (1) HRP20201285T1 (hr)
HU (1) HUE050875T2 (hr)
LT (1) LT2804617T (hr)
PL (1) PL2804617T3 (hr)
PT (1) PT2804617T (hr)
RS (1) RS60606B1 (hr)
SI (1) SI2804617T1 (hr)
WO (1) WO2013109752A1 (hr)

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