AR129399A1 - DESIGNED ANTIBODIES NEUTRALIZING HEPATITIS B VIRUS AND THEIR USES - Google Patents
DESIGNED ANTIBODIES NEUTRALIZING HEPATITIS B VIRUS AND THEIR USESInfo
- Publication number
- AR129399A1 AR129399A1 ARP230101278A ARP230101278A AR129399A1 AR 129399 A1 AR129399 A1 AR 129399A1 AR P230101278 A ARP230101278 A AR P230101278A AR P230101278 A ARP230101278 A AR P230101278A AR 129399 A1 AR129399 A1 AR 129399A1
- Authority
- AR
- Argentina
- Prior art keywords
- antigen
- antibody
- cells
- modc
- mutations
- Prior art date
Links
- 241000700721 Hepatitis B virus Species 0.000 title abstract 2
- 230000003472 neutralizing effect Effects 0.000 title abstract 2
- 239000000427 antigen Substances 0.000 abstract 17
- 102000036639 antigens Human genes 0.000 abstract 17
- 108091007433 antigens Proteins 0.000 abstract 17
- 229920001184 polypeptide Polymers 0.000 abstract 11
- 102000004196 processed proteins & peptides Human genes 0.000 abstract 11
- 108090000765 processed proteins & peptides Proteins 0.000 abstract 11
- 239000012634 fragment Substances 0.000 abstract 6
- 230000035772 mutation Effects 0.000 abstract 6
- 230000033581 fucosylation Effects 0.000 abstract 5
- 210000001744 T-lymphocyte Anatomy 0.000 abstract 4
- 210000004027 cell Anatomy 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 102100035793 CD83 antigen Human genes 0.000 abstract 2
- 241000724709 Hepatitis delta virus Species 0.000 abstract 2
- 101000946856 Homo sapiens CD83 antigen Proteins 0.000 abstract 2
- 210000001616 monocyte Anatomy 0.000 abstract 2
- 239000008194 pharmaceutical composition Substances 0.000 abstract 2
- 102100032912 CD44 antigen Human genes 0.000 abstract 1
- 108090000695 Cytokines Proteins 0.000 abstract 1
- 102000004127 Cytokines Human genes 0.000 abstract 1
- 102100025137 Early activation antigen CD69 Human genes 0.000 abstract 1
- 108091006020 Fc-tagged proteins Proteins 0.000 abstract 1
- 208000037262 Hepatitis delta Diseases 0.000 abstract 1
- 101000868273 Homo sapiens CD44 antigen Proteins 0.000 abstract 1
- 101000934374 Homo sapiens Early activation antigen CD69 Proteins 0.000 abstract 1
- 101001057504 Homo sapiens Interferon-stimulated gene 20 kDa protein Proteins 0.000 abstract 1
- 101001055144 Homo sapiens Interleukin-2 receptor subunit alpha Proteins 0.000 abstract 1
- 101000946889 Homo sapiens Monocyte differentiation antigen CD14 Proteins 0.000 abstract 1
- 102100026878 Interleukin-2 receptor subunit alpha Human genes 0.000 abstract 1
- 108090001005 Interleukin-6 Proteins 0.000 abstract 1
- 102100035877 Monocyte differentiation antigen CD14 Human genes 0.000 abstract 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 abstract 1
- 229930006000 Sucrose Natural products 0.000 abstract 1
- 108060008682 Tumor Necrosis Factor Proteins 0.000 abstract 1
- 102100040247 Tumor necrosis factor Human genes 0.000 abstract 1
- 230000010056 antibody-dependent cellular cytotoxicity Effects 0.000 abstract 1
- 230000005888 antibody-dependent cellular phagocytosis Effects 0.000 abstract 1
- 230000000890 antigenic effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000009089 cytolysis Effects 0.000 abstract 1
- 208000002672 hepatitis B Diseases 0.000 abstract 1
- 208000029570 hepatitis D virus infection Diseases 0.000 abstract 1
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 abstract 1
- 208000015181 infectious disease Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 210000000822 natural killer cell Anatomy 0.000 abstract 1
- 210000003819 peripheral blood mononuclear cell Anatomy 0.000 abstract 1
- 230000035755 proliferation Effects 0.000 abstract 1
- 238000010186 staining Methods 0.000 abstract 1
- 230000000638 stimulation Effects 0.000 abstract 1
- 239000005720 sucrose Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/08—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
- C07K16/081—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from DNA viruses
- C07K16/082—Hepadnaviridae, e.g. hepatitis B virus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/12—Viral antigens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K40/00—Cellular immunotherapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/40—Immunoglobulins specific features characterized by post-translational modification
- C07K2317/41—Glycosylation, sialylation, or fucosylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/52—Constant or Fc region; Isotype
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/72—Increased effector function due to an Fc-modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/94—Stability, e.g. half-life, pH, temperature or enzyme-resistance
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2730/00—Reverse transcribing DNA viruses
- C12N2730/00011—Details
- C12N2730/10011—Hepadnaviridae
- C12N2730/10111—Orthohepadnavirus, e.g. hepatitis B virus
- C12N2730/10134—Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Virology (AREA)
- Pharmacology & Pharmacy (AREA)
- Organic Chemistry (AREA)
- Immunology (AREA)
- Epidemiology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Molecular Biology (AREA)
- Communicable Diseases (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Peptides Or Proteins (AREA)
- Oncology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
La presente divulgación se refiere, en parte, a anticuerpos y fragmentos de unión a antígeno de los mismos, que pueden unirse a la región de bucle antigénico del antígeno de superficie de la hepatitis B (HBsAg) y, opcionalmente, pueden neutralizar la infección por el virus de la hepatitis B (HBV), y además opcionalmente, el virus de la hepatitis delta (HDV). Los anticuerpos y fragmentos de unión a antígeno descritos en el presente documento tienen características de producción ventajosas, tales como formación reducida de agregados y/o título de producción mejorado en células huéspedes transformadas, en comparación con un anticuerpo de referencia o fragmento de unión a antígeno. Los anticuerpos y fragmentos de unión a antígeno divulgados en el presente documento incluyen polipéptidos diseñados genéticamente (por ejemplo, polipéptidos Fc, fragmentos de polipéptidos Fc, proteínas de fusión Fc) que comprenden una variante de un polipéptido Fc de IgG (o una porción o un fragmento de la misma), cuyas variantes (y los polipéptidos que comprenden estas variantes) tienen una o más características mejoradas sobre los polipéptidos Fc conocidos. Reivindicación 49: El anticuerpo de cualquiera de las reivindicaciones 1 - 48, donde el anticuerpo es capaz de cualesquiera uno o más de los siguientes: (i) aumentar la lisis específica (p. ej. mediante ADCC) por células citolíticas naturales y/o PBMCs (p. ej. que expresan F158 / V158 o V158 / V158 FcgRIIIA) contra células diana que expresan antígeno, en comparación con el anticuerpo que comprende un polipéptido de referencia Fc que no comprende las mutaciones y/o el estado de fucosilación (p. ej. el anticuerpo que comprende un Fc de IgG humana que comprende las mutaciones G236A, A330L, y I332E); (ii) aumentar ADCP por monocitos (p. ej. monocitos CD14⁺, opcionalmente que expresan F158 / V158 FcgRIIA y R131 / H131 FcgRIIA o F158 / F158 FcgRIIA y R131 / H131 FcgRIIA) contra células diana que expresan antígeno, en comparación con el anticuerpo que comprende un polipéptido de referencia Fc que no comprende las mutaciones y/o el estado de fucosilación; (iii) aumentar el porcentaje de células CD83⁺ (p. ej. moDC) y/o aumentar la expresión de CD83 por moDC en una muestra cuando se proporciona en combinación con el antígeno, en comparación con el anticuerpo que comprende un polipéptido de referencia Fc que no comprende las mutaciones y/o el estado de fucosilación, cuando se proporciona en combinación con el antígeno; (iv) aumentar la producción de una o más citoquinas (opcionalmente seleccionadas del grupo que consiste en IL-1b, IFN-g, IL-6, y TNF-a) por moDC en una muestra cuando se proporciona en combinación con el antígeno, en comparación con el anticuerpo que comprende un polipéptido de referencia Fc que no comprende las mutaciones y/o el estado de fucosilación, cuando se proporciona en combinación con el antígeno; y (v) aumentar la capacidad de moDC para estimular células T CD4⁺ específicas de antígeno cuando se proporciona a las moDc en combinación con el antígeno, en comparación con el anticuerpo que comprende un polipéptido de referencia Fc que no comprende las mutaciones y/o el estado de fucosilación, cuando se proporciona a las moDc en combinación con el antígeno, donde, opcionalmente, (1) las moDC y las células T CD4⁺ son del mismo sujeto (opcionalmente, vacunado con antígeno) y/o (2) la estimulación de células T CD4⁺ específicas de antígeno se determina por un aumento en la expresión de CD25 y/o un aumento en la proliferación (p. ej. determinado por una reducción en la tinción de CFSE en función del tiempo) y/o un aumento en la expresión de CD69 y/o un aumento en la expresión de NFAT y/o un aumento en la expresión de CD44, por las células T CD4⁺ específicas de antígeno. Reivindicación 104: El método de la reivindicación 103, donde la composición farmacéutica comprende: (i) el anticuerpo en 150 mg/mL; (ii) agua USP; (iii) 20 mM histidina; (iv) 7% sacarosa; y (v) 0,02% PS80, donde la composición farmacéutica comprende un pH de 6.The present disclosure relates, in part, to antibodies and antigen-binding fragments thereof, which are capable of binding to the antigenic loop region of hepatitis B surface antigen (HBsAg) and, optionally, are capable of neutralizing infection by hepatitis B virus (HBV), and optionally further, hepatitis delta virus (HDV). The antibodies and antigen-binding fragments described herein have advantageous production characteristics, such as reduced aggregate formation and/or improved production titer in transformed host cells, as compared to a reference antibody or antigen-binding fragment. The antibodies and antigen-binding fragments disclosed herein include genetically engineered polypeptides (e.g., Fc polypeptides, Fc polypeptide fragments, Fc fusion proteins) comprising a variant of an IgG Fc polypeptide (or a portion or fragment thereof), which variants (and the polypeptides comprising these variants) have one or more improved characteristics over known Fc polypeptides. Claim 49: The antibody of any one of claims 1 - 48, wherein the antibody is capable of any one or more of the following: (i) increasing specific lysis (e.g. by ADCC) by natural killer cells and/or PBMCs (e.g. expressing F158/V158 or V158/V158 FcgRIIIA) against antigen-expressing target cells, as compared to the antibody comprising a reference Fc polypeptide that does not comprise the mutations and/or fucosylation state (e.g. the antibody comprising a human IgG Fc comprising the G236A, A330L, and I332E mutations); (ii) increasing ADCP by monocytes (e.g. CD14+ monocytes, optionally expressing F158/V158 FcgRIIA and R131/H131 FcgRIIA or F158/F158 FcgRIIA and R131/H131 FcgRIIA) against antigen-expressing target cells, as compared to the antibody comprising an Fc reference polypeptide that does not comprise the mutations and/or fucosylation status; (iii) increasing the percentage of CD83+ cells (e.g. moDC) and/or increasing CD83 expression by moDC in a sample when provided in combination with the antigen, as compared to the antibody comprising an Fc reference polypeptide that does not comprise the mutations and/or fucosylation status, when provided in combination with the antigen; (iv) increasing the production of one or more cytokines (optionally selected from the group consisting of IL-1b, IFN-g, IL-6, and TNF-a) by moDC in a sample when provided in combination with the antigen, as compared to the antibody comprising a reference Fc polypeptide that does not comprise the mutations and/or fucosylation status, when provided in combination with the antigen; and (v) increasing the ability of moDC to stimulate antigen-specific CD4⁺ T cells when provided to the moDC in combination with the antigen, as compared to the antibody comprising an Fc reference polypeptide that does not comprise the mutations and/or fucosylation state, when provided to the moDC in combination with the antigen, wherein, optionally, (1) the moDC and the CD4⁺ T cells are from the same subject (optionally, vaccinated with antigen) and/or (2) the stimulation of antigen-specific CD4⁺ T cells is determined by an increase in CD25 expression and/or an increase in proliferation (e.g., determined by a reduction in CFSE staining as a function of time) and/or an increase in CD69 expression and/or an increase in NFAT expression and/or an increase in CD44 expression, by the antigen-specific CD4⁺ T cells. Claim 104: The method of claim 103, wherein the pharmaceutical composition comprises: (i) the antibody at 150 mg/mL; (ii) USP water; (iii) 20 mM histidine; (iv) 7% sucrose; and (v) 0.02% PS80, wherein the pharmaceutical composition comprises a pH of 6.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202263344909P | 2022-05-23 | 2022-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR129399A1 true AR129399A1 (en) | 2024-08-21 |
Family
ID=86851640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP230101278A AR129399A1 (en) | 2022-05-23 | 2023-05-22 | DESIGNED ANTIBODIES NEUTRALIZING HEPATITIS B VIRUS AND THEIR USES |
Country Status (3)
Country | Link |
---|---|
AR (1) | AR129399A1 (en) |
TW (1) | TW202411246A (en) |
WO (1) | WO2023230439A1 (en) |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US4751180A (en) | 1985-03-28 | 1988-06-14 | Chiron Corporation | Expression using fused genes providing for protein product |
US4935233A (en) | 1985-12-02 | 1990-06-19 | G. D. Searle And Company | Covalently linked polypeptide cell modulators |
US5959177A (en) | 1989-10-27 | 1999-09-28 | The Scripps Research Institute | Transgenic plants expressing assembled secretory antibodies |
JP3951062B2 (en) | 1991-09-19 | 2007-08-01 | ジェネンテック・インコーポレーテッド | Expression of antibody fragments with cysteine present at least as a free thiol in E. coli for the production of bifunctional F (ab ') 2 antibodies |
US5789199A (en) | 1994-11-03 | 1998-08-04 | Genentech, Inc. | Process for bacterial production of polypeptides |
US5840523A (en) | 1995-03-01 | 1998-11-24 | Genetech, Inc. | Methods and compositions for secretion of heterologous polypeptides |
US6040498A (en) | 1998-08-11 | 2000-03-21 | North Caroline State University | Genetically engineered duckweed |
DE60022369T2 (en) | 1999-10-04 | 2006-05-18 | Medicago Inc., Sainte Foy | PROCESS FOR REGULATING THE TRANSCRIPTION OF FOREIGN GENES IN THE PRESENCE OF NITROGEN |
US7125978B1 (en) | 1999-10-04 | 2006-10-24 | Medicago Inc. | Promoter for regulating expression of foreign genes |
WO2004076677A2 (en) | 2003-02-26 | 2004-09-10 | Institute For Research In Biomedicine | Monoclonal antibody production by ebv transformation of b cells |
WO2008042814A2 (en) | 2006-09-29 | 2008-04-10 | California Institute Of Technology | Mart-1 t cell receptors |
BRPI0914092B1 (en) | 2008-10-22 | 2021-08-31 | Institute For Research In Biomedicine | METHOD OF PRODUCTION OF AN ANTIBODY FROM PLASMA CELLS, METHOD OF PRODUCTION OF A MONOCLONAL ANTIBODY FROM PLASMA CELLS AND METHOD OF PRODUCTION OF AN ANTIBODY OR AN ANTIBODY FRAGMENT |
EP2210903A1 (en) | 2009-01-21 | 2010-07-28 | Monoclonal Antibodies Therapeutics | Anti-CD160 monoclonal antibodies and uses thereof |
JP6120848B2 (en) | 2011-08-15 | 2017-04-26 | メディミューン,エルエルシー | Anti-B7-H4 antibody and use thereof |
SG11201504764SA (en) | 2012-12-19 | 2015-07-30 | Amplimmune Inc | Anti-human b7-h4 antibodies and their uses |
EP3191518B1 (en) | 2014-09-12 | 2020-01-15 | Genentech, Inc. | Anti-b7-h4 antibodies and immunoconjugates |
EP3201232A1 (en) | 2014-10-03 | 2017-08-09 | Dana-Farber Cancer Institute, Inc. | Glucocorticoid-induced tumor necrosis factor receptor (gitr) antibodies and methods of use thereof |
PT3295951T (en) | 2015-02-19 | 2020-07-21 | Compugen Ltd | Anti-pvrig antibodies and methods of use |
JO3620B1 (en) | 2015-08-05 | 2020-08-27 | Amgen Res Munich Gmbh | Immunological check point inhibitors for use in the treatment of blood-borne cancers |
WO2017059878A1 (en) | 2015-10-07 | 2017-04-13 | Humabs Biomed Sa | Antibodies that potently neutralize hepatitis b virus and uses thereof |
SG11202106483WA (en) | 2018-12-19 | 2021-07-29 | Humabs Biomed Sa | Antibodies that neutralize hepatitis b virus and uses thereof |
KR20220063188A (en) * | 2019-08-29 | 2022-05-17 | 비르 바이오테크놀로지, 인코포레이티드 | Antibody compositions and methods for treating hepatitis B virus infection |
WO2021262840A1 (en) | 2020-06-24 | 2021-12-30 | Vir Biotechnology, Inc. | Engineered hepatitis b virus neutralizing antibodies and uses thereof |
BR112023024494A2 (en) | 2021-05-24 | 2024-02-06 | Humabs Biomed Sa | ENGINEERED POLYPEPTIDES |
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2023
- 2023-05-22 AR ARP230101278A patent/AR129399A1/en unknown
- 2023-05-22 WO PCT/US2023/067296 patent/WO2023230439A1/en unknown
- 2023-05-22 TW TW112118977A patent/TW202411246A/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2023230439A1 (en) | 2023-11-30 |
TW202411246A (en) | 2024-03-16 |
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