Methods for the production of immunogenic compositions containing a non-natural amino acid are disclosed. The non-natural amino acid can be a site for attachment of antigens, such as bacterial capsular polysaccharides, to make immunogenic conjugates. Bio-orthogonal attachment chemistry incorporated into the non-natural amino acids allows for more efficient and potent antigen presentation to the immune system, simplified purification, and more well-defined structure of these semi-synthetic immunogens.
C07K 14/00 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof
C07K 14/285 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Pasteurellaceae (F), e.g. Haemophilus influenza
C07K 14/33 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Clostridium (G)
C07K 14/34 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Corynebacterium (G)
2.
POLYPEPTIDE-ANTIGEN CONJUGATES WITH NON-NATURAL AMINO ACIDS
Methods for the production of immunogenic compositions containing a non-natural amino acid are disclosed. The non-natural amino acid can be a site for attachment of antigens, such as bacterial capsular polysaccharides, to make immunogenic conjugates. Bio-orthogonal attachment chemistry incorporated into the non-natural amino acids allows for more efficient and potent antigen presentation to the immune system, simplified purification, and more well-defined structure of these semi-synthetic immunogens.
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
The present disclosure provides stabilized vaccine compositions that resist the formation of unsuitable adjuvant flocculant or aggregates. The present disclosure further provides methods of using such compositions to induce immune responses against infections in subjects.
S. pneumoniae S. pneumoniae serotype capsular polysaccharides from cell lysates, which improve the yield of polysaccharides while minimizing the amount of Host Cell Protein (HCP) in the product.
C08B 37/00 - Preparation of polysaccharides not provided for in groups Derivatives thereof
B01D 15/32 - Bonded phase chromatography, e.g. with normal bonded phase, reversed phase or hydrophobic interaction
B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
Described herein are processes for the fermentation of aerotolerant anaerobic bacteria. Such processes may result improved production and isolation of biomolecules. Isolated biomolecules may include capsular polysaccharides for use in the production of immunogenic compositions.
05 - Pharmaceutical, veterinary and sanitary products
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Human vaccine preparations; human vaccines; vaccines namely prophylactic and therapeutic vaccines for humans (1) Research and development of vaccines and medicines
8.
PURIFICATION PROCESSES FOR POLYSACCHARIDES AND POLYPEPTIDE CONJUGATES THEREOF
The present disclosure provides a process for purifying high-molecular weight bacterial polysaccharides (e.g., cell wall polysaccharides), and polypeptide-polysaccharide conjugates thereof, suitable for use in immunogenic compositions.
A61K 39/385 - Haptens or antigens, bound to carriers
C07K 14/315 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Streptococcus (G), e.g. Enterococci
C07K 14/34 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Corynebacterium (G)
C12P 19/04 - Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
C12P 19/14 - Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase, e.g. by alpha-amylase
A61K 47/61 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
The present disclosure provides immunogenic compositions comprising Group A Streptococcus (GAS) polypeptide antigens and at least one polypeptide-polysaccharide conjugate. The present disclosure further provides methods of using such compositions to induce immune responses against GAS infections in subjects.
The present disclosure provides methods of preparing heteroaryl-containing compounds, wherein an azide-alkyne cycloaddition is accelerated in the presence of lauryldimethylamine oxide (LDAO). The present disclosure further provides conjugates of polypeptides and antigens prepared using such methods.
A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 organic compound
A61K 47/62 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 a protein, peptide or polyamino acid
13.
STABILIZATION OF ADJUVANTED VACCINE COMPOSITIONS AND THEIR USE
The present disclosure provides stabilized vaccine compositions that resist the formation of unsuitable adjuvant flocculant or aggregates. These compositions comprise an aluminium adjuvant, a non-aluminium phosphate salt, sodium chloride and a polypeptide-polysaccharide conjugate comprising at least two non-natural amino acids. The present disclosure further provides methods of using such compositions to induce immune responses against infections in subjects.
A61K 39/00 - Medicinal preparations containing antigens or antibodies
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
The present disclosure provides stabilized vaccine compositions that resist the formation of unsuitable adjuvant flocculant or aggregates. These compositions comprise an aluminium adjuvant, a non-aluminium phosphate salt, sodium chloride and a polypeptide-polysaccharide conjugate comprising at least two non-natural amino acids. The present disclosure further provides methods of using such compositions to induce immune responses against infections in subjects.
A61K 39/385 - Haptens or antigens, bound to carriers
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
15.
ANIMAL PRODUCT-FREE CULTURE OF STREPTOCOCCUS BACTERIA
The present disclosure provides methods, compositions, and kits for in vitro cultivation of catalase-negative bacteria. The present disclosure further provides catalase-negative bacteria cultivated according to the methods described herein and bacterial stocks thereof.
C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor
The present disclosure provides a process for purifying high-molecular weight bacterial polysaccharides (e.g., cell wall polysaccharides), and polypeptide-polysaccharide conjugates thereof, suitable for use in immunogenic compositions.
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61K 47/61 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
C07K 14/315 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Streptococcus (G), e.g. Enterococci
18.
PURIFICATION PROCESSES FOR POLYSACCHARIDES AND POLYPEPTIDE CONJUGATES THEREOF
The present disclosure provides a process for purifying high-molecular weight bacterial polysaccharides (e.g., cell wall polysaccharides), and polypeptide-polysaccharide conjugates thereof, suitable for use in immunogenic compositions.
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61K 39/00 - Medicinal preparations containing antigens or antibodies
A61K 39/385 - Haptens or antigens, bound to carriers
A61K 47/61 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
C07K 14/315 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Streptococcus (G), e.g. Enterococci
The present disclosure provides a cell-free method for synthesizing an Invasion Plasmid Antigen B (IpaB) antigen associated with a Shigella bacterium comprising exogenous addition of the purified chaperone protein IpgC to the cell-free synthesis mixture. The disclosure further provides IpaB antigen mutants comprising non-natural amino acids incorporated during cell-free synthesis, enabling covalent conjugation to a Shigella O-antigen polysaccharide. Further provided are Ipa B antigens and conjugates thereof, as well as immunogenic compositions prepared with the synthesized IpaB antigens and conjugates thereof and methods of use.
The present disclosure provides methods of preparing heteroaryl-containing compounds, wherein an azide-alkyne cycloaddition is accelerated in the presence of lauryldimethylamine oxide (LDAO). The present disclosure further provides conjugates of polypeptides and antigens prepared using such methods.
A61K 39/385 - Haptens or antigens, bound to carriers
A61K 47/61 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
A61K 47/62 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 a protein, peptide or polyamino acid
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61K 47/66 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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 a protein, peptide or polyamino acid the modifying agent being a pre-targeting system involving a peptide or protein for targeting specific cells
The present disclosure provides immunogenic compositions comprising Group A Streptococcus (GAS) polypeptide antigens and at least one polypeptide-polysaccharide conjugate. The present disclosure further provides methods of using such compositions to induce immune responses against GAS infections in subjects.
The present disclosure provides immunogenic compositions comprising Group A Streptococcus (GAS) polypeptide antigens and at least one polypeptide-polysaccharide conjugate. The present disclosure further provides methods of using such compositions to induce immune responses against GAS infections in subjects.
The present disclosure provides methods, compositions, and kits for in vitro cultivation of catalase-negative bacteria. The present disclosure further provides catalase-negative bacteria cultivated according to the methods described herein and bacterial stocks thereof.
in vitroin vitro cultivation of catalase-negative bacteria. The present disclosure further provides catalase-negative bacteria cultivated according to the methods described herein and bacterial stocks thereof.
ShigellaShigellaShigella O-antigen polysaccharide. Further provided are Ipa B antigens and conjugates thereof, as well as immunogenic compositions prepared with the synthesized IpaB antigens and conjugates thereof and methods of use.
The present disclosure provides a cell-free method for synthesizing an Invasion Plasmid Antigen B (IpaB) antigen associated with a Shigella bacterium comprising exogenous addition of the purified chaperone protein IpgC to the cell-free synthesis mixture. The disclosure further provides IpaB antigen mutants comprising non-natural amino acids incorporated during cell-free synthesis, enabling covalent conjugation to a Shigella O-antigen polysaccharide. Further provided are Ipa B antigens and conjugates thereof, as well as immunogenic compositions prepared with the synthesized IpaB antigens and conjugates thereof and methods of use.
Methods for the production of immunogenic compositions containing a non-natural amino acid are disclosed. The non-natural amino acid can be a site for attachment of antigens, such as bacterial capsular polysaccharides, to make immunogenic conjugates. Bio-orthogonal attachment chemistry incorporated into the non-natural amino acids allows for more efficient and potent antigen presentation to the immune system, simplified purification, and more well-defined structure of these semi-synthetic immunogens.
C07K 14/00 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof
C07K 14/285 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Pasteurellaceae (F), e.g. Haemophilus influenza
C07K 14/33 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Clostridium (G)
C07K 14/34 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Corynebacterium (G)
The present application discloses various improvements concerning immunogenic conjugates which comprise a carrier polypeptide and a saccharide antigen, wherein the saccharide antigen is covalently bonded to the carrier polypeptide via a non-natural amino acid residue therein.
An immunogenic composition, a periodontal vaccine formulation containing the immunogenic composition, and methods for treating or preventing periodontal disease are provided, where the methods involves administering an immunologically effective amount of the composition or vaccine formulation to a subject. The immunogenic composition contains at least one polypeptide that comprises: an Mfa1 antigen sequence that is substantially homologous to an immunogenic amino acid sequence from an Mfa1 fimbrilin protein of a Porphyromonas bacterium; and an HA1 antigen sequence, an HA2 antigen sequence, or both an HA1 antigen sequence and an HA2 antigen sequence, wherein the HA1 antigen sequence is substantially homologous to an immunogenic amino acid sequence from an RgpA Gingipain hemagglutinin domain 1 contained within an RgpA Gingipain protein of a Porphyromonas bacterium, and the HA2 antigen sequence is substantially homologous to an immunogenic amino acid sequence from an RgpA Gingipain hemagglutinin domain 2 contained within an RgpA Gingipain protein of a Porphyromonas bacterium.
Methods for the production of immunogenic compositions containing a non-natural amino acid are disclosed. The non-natural amino acid can be a site for attachment of antigens, such as bacterial capsular polysaccharides, to make immunogenic conjugates. Bio-orthogonal attachment chemistry incorporated into the non-natural amino acids allows for more efficient and potent antigen presentation to the immune system, simplified purification, and more well-defined structure of these semi-synthetic immunogens.
A61K 47/64 - Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
Methods for the production of immunogenic compositions containing a non-natural amino acid are disclosed. The non-natural amino acid can be a site for attachment of antigens, such as bacterial capsular polysaccharides, to make immunogenic conjugates. Bio-orthogonal attachment chemistry incorporated into the non-natural amino acids allows for more efficient and potent antigen presentation to the immune system, simplified purification, and more well-defined structure of these semi-synthetic immunogens.
C07K 14/285 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Pasteurellaceae (F), e.g. Haemophilus influenza
C07K 14/33 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Clostridium (G)
C12N 15/31 - Genes encoding microbial proteins, e.g. enterotoxins
C12P 21/02 - Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione
