Abstract: The present invention refers to new glycoconjugate antigens expressing built-in multiple epitopes and to polyvalent glycoconjugate vaccines intended for the protection of mammalians, and particularly for the protection of the human population from enteropathogenic bacteria, such as the Gram-positive anaerobic bacterium Clostridium difficile and the Gram-negative bacteria Salmonella typhi, Escherichia coli, Vibrio cholerae, Shigella flexneri, Salmonella typhimurium, Salmonella enteritidis, Salmonella paratyphi A, Shigella sonnei, Shigella dysenteriae, Salmonella cholerasuis, Klebsiella, Enterobacter, Pseudomonas aeruginosa and/or from viral gastrointestinal infections due to human noroviruses.
Abstract: Disclosed herein are methods for the isolation and purification of a botulinum neurotoxin (BoNT) protein, or a polypeptide comprising a receptor binding domain of BoNT, from a solution. The method comprises contacting the solution containing the protein or polypeptide to a matrix which has attached thereto a non-toxic non-hemagglutinin (NTNHA) under conditions appropriate for binding, washing the matrix to thereby remove unbound materials, and eluting the protein or polypeptide with a solution that dissociates the bound protein from the NTNHA. Conditions appropriate for binding are a pH of less than 7.5 (e.g, 6). Conditions appropriate for dissociation are a pH greater than or equal to 7.5 (e.g., 8). Compositions specific to the methods are also disclosed.
Type:
Grant
Filed:
May 16, 2017
Date of Patent:
February 8, 2022
Assignee:
President and Fellows of Harvard College
Abstract: The invention relates to compositions for vaginal or, alternatively, oral administration and to the use of such compositions for stabilizing the vaginal, or, alternatively, the intestinal acidity and establishing favorable conditions for the inhibition of pathogens and the growth of lactobacilli in the urogenital, or, alternatively, gastro-intestinal tract.
Abstract: The present disclosure provides antibodies that specifically bind to botulinum neurotoxins (e.g., BoNT/A, BoNT/B, BoNT/C, BoNT/D, BoNT/E, BoNT/F, BoNT/G, etc.) and the epitopes bound by those antibodies. The antibodies and derivatives thereof that specifically bind to the neutralizing epitopes provided herein can be used to neutralize botulinum neurotoxin and are therefore also useful in the treatment of botulism.
Type:
Grant
Filed:
March 9, 2020
Date of Patent:
January 18, 2022
Assignee:
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Inventors:
James D. Marks, Maria Consuelo Garcia Rodriguez
Abstract: The present invention relates to a prefilled plastic container, such as a plastic syringe, comprising an aqueous botulinum toxin formulation. The aqueous botulinum toxin formulation in the prefilled plastic container is stable for a prolonged time period. Furthermore, the present invention relates to a kit comprising the prefilled plastic container, and to the use of the prefilled plastic container for therapeutic and cosmetic purposes.
Abstract: An intravenous injection for enhancing immune function is provided, belonging to the field of biomedicine. The main ingredient of the drug is inactivated lactic acid bacteria, which is prepared by inactivating living lactic acid bacteria.
Type:
Grant
Filed:
September 8, 2016
Date of Patent:
January 4, 2022
Assignees:
WEIFANG HUAYING BIOTECHNOLOGY CO., LTD., SHANDONG AGRICULTURAL UNIVERSITY
Abstract: The invention provides a method for releasing capsular polysaccharide from S. aureus type 5 or type 8 cells, comprising the step of treating the cells with acid. The invention further provides a process for purifying capsular polysaccharide from S. aureus type 5 or type 8 cells comprising this method. Other processing steps may be included in the process, such as enzymatic treatment, e.g. to remove nucleic acid, protein and/or peptidoglycan contaminants; diafiltration, e.g. to remove low molecular weight contaminants; anion exchange chromatography, e.g. to remove residual protein; and concentration. The invention also provides a composition comprising a S. aureus type 5 or type 8 capsular polysaccharide, obtainable by any of the processes of the invention.
Type:
Grant
Filed:
February 13, 2019
Date of Patent:
December 28, 2021
Assignee:
GLAXOSMITHKLINE BIOLOGICALS SA
Inventors:
Paolo Costantino, Maria Rosaria Romano, Francesco Berti
Abstract: In one aspect, the invention relates to an immunogenic composition that includes a mutant Clostridium difficile toxin A and/or a mutant Clostridium difficile toxin B. The mutant toxin may include a glucosyltransferase domain having at least one mutation and a cysteine protease domain having at least one mutation, relative to the corresponding wild-type C. difficile toxin. The mutant toxins may include at least one amino acid that is chemically crosslinked. In another aspect, the invention relates to methods and compositions for use in culturing Clostridium difficile and in producing C. difficile toxins.
Type:
Grant
Filed:
December 5, 2019
Date of Patent:
December 28, 2021
Assignee:
Pfizer Inc.
Inventors:
Jason Arnold Lotvin, Annaliesa Sybil Anderson, Robert G. K. Donald, Michael James Flint, Narender Kumar Kalyan, Kathrin Ute Jansen, Maninder K. Sidhu, Justin Keith Moran, Mark Edward Ruppen, Weiqiang Sun
Abstract: This disclosure relates to polynucleotides encoding antibodies or antigen binding fragments thereof that bind to Pseudomonas PcrV as well as vectors and host cells comprising the same.
Type:
Grant
Filed:
February 13, 2020
Date of Patent:
December 21, 2021
Assignee:
MedImmune Limited
Inventors:
Antonio Digiandomenico, Paul Warrener, Charles Stover, Bret Sellman, Ralph Minter, Sandrine Guillard, Steven Rust, Mladen Tomich, Vignesh Venkatraman, Reena Varkey, Li Peng, Melissa Damschroder, Partha S. Chowdhury, Nazzareno Dimasi, Ryan Fleming, Binyam Bezabeh, Changshou Gao, Godfrey Rainey, Cuihua Gao
Abstract: The invention relates to a method for labeling specifically living bacteria, comprising the steps of: a) incubating said bacteria of said sample with at least one modified monosaccharide compound comprising a first reactive chemical group capable to chemically react with a second reactive group, so that a residue bearing said first reactive group is incorporated into the envelope of such bacteria, and b) contacting said modified monosaccharide residue incorporated within the envelope of the bacteria with a labeling molecule comprising a said second reactive group, for generating the chemical reaction of said first reactive group with said second reactive group, characterized in that said modified monosaccharide compound has the following formula (I), or a salt thereof: Wherein —A, B and C can be independently H, OH, NH2, OH and NH2 being substituted or not by protecting groups thereof and —D is an alkyl chain in C2 to C4, each carbon being substituted or not by OH or NH2, OH and NH2 being substituted or not b
Type:
Grant
Filed:
May 3, 2016
Date of Patent:
December 14, 2021
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE D'AIX-MARSEILLE
Inventors:
Sam Dukan, Boris Vauzeilles, Jordi Mas Pons, Aurélie Baron
Abstract: A VAMP epitope suitable for generating an antibody against a VAMP C-terminal neurotoxin cleavage product. Method of using such an epitope to generate an antibody against cleaved VAMP. Method of using such an antibody to assay for cleavage of a VAMP by clostridial neurotoxin.
Type:
Grant
Filed:
October 18, 2017
Date of Patent:
December 7, 2021
Assignee:
IPSEN BIOPHARM LIMITED
Inventors:
Bryony Gray, Verity Cadd, Matthew Beard
Abstract: The invention relates to a method for labeling specifically living microorganisms in a sample comprising microorganisms, the method comprising the steps of: a) incubating said microorganisms of said sample with at least one modified monosaccharide compound comprising a first reactive chemical group capable to chemically react with a second reactive group, so that a residue bearing said first reactive group is incorporated into such microorganisms, and b) contacting said residue incorporated in the microorganisms, with a labeling molecule comprising a said second reactive group, for generating the chemical reaction of said first reactive group of said residue incorporated within said living microorganisms with said second reactive group of said labeling molecule, resulting in a covalent link, characterized in that the said modified monosaccharide compound has the following formula (I?), or a salt thereof: —X can be O, NH or S, preferably O and NH, and —R1 and R2 can be independently H, OH, NH2, OH and NH2 bein
Type:
Grant
Filed:
May 3, 2016
Date of Patent:
November 30, 2021
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE D'AIX-MARSEILLE, UNIVERSITE PARIS-SACLAY
Inventors:
Sam Dukan, Boris Vauzeilles, Jordi Mas Pons, Aurélie Baron
Abstract: Acinetobacter lysin polypeptides and variants peptides with killing activity against gram negative bacteria. Methods for treating bacterial infections or bacterial colonization using Acintobacter lysin polypeptides.
Type:
Grant
Filed:
June 26, 2019
Date of Patent:
November 23, 2021
Assignee:
The Rockefeller University
Inventors:
Vincent Fischetti, Raymond Schuch, Rolf Lood, Benjamin Winer
Abstract: The present invention provides methods and compositions for the stimulation of immune responses. In particular, the invention provides methods and compositions for enhancing an immune response to one or more antigens. Compositions and methods of the invention are useful for the treatment and/or prevention of microbial infections, such as infections caused by bacteria, viruses, fungi and parasites, as well as the treatment and/or prevention of cancer and malignant diseases. Compositions and methods of the invention include one or more antigens/immunogens together with an adjuvant formulation comprising an emulsion delivery system in combination with one or more immunostimulatory compounds (e.g., a compound that stimulates the innate immune system (e.g., a toll-like receptor antagonist (e.g., synthetic oligodeoxynucleotides (ODN)))) that enhance immune responses to the one or more antigens/immunogens when administered to a subject.
Type:
Grant
Filed:
May 19, 2017
Date of Patent:
November 16, 2021
Assignees:
THE REGENTS OF THE UNIVERSITY OF MICHIGAN, NANOBIO CORPORATION
Inventors:
James R. Baker, Jr., Douglas M. Smith, Susan Ciotti
Abstract: The present invention relates to a prefilled glass container, such as a prefilled glass syringe, comprising an aqueous botulinum toxin formulation. The aqueous botulinum toxin formulation in the prefilled container is stable at low to ambient temperature for a prolonged time period. Furthermore, the present invention relates to a kit comprising the botulinum toxin prefilled container, and to the use of the botulinum toxin prefilled container in therapeutic and cosmetic applications.
Abstract: The present invention relates to new immunogenic compositions comprising conjugated Streptococcus pneumoniae capsular saccharide antigens (glycoconjugates) and uses thereof. Immunogenic compositions of the present invention will typically comprise at least one glycoconjugate from a S. pneumoniae serotype not found in PREVNAR®, SYNFLORIX® and/or PREVNAR 13®. The invention also relates to vaccination of human subjects, in particular infants and elderly, against pneumoccocal infections using said novel immunogenic compositions.
Type:
Grant
Filed:
October 6, 2016
Date of Patent:
November 2, 2021
Assignee:
Pfizer Inc.
Inventors:
Emilio Anthony Emini, Wendy Jo Watson, Avvari Krishna Prasad, Mingming Han, Jin-Hwan Kim, Jianxin Gu, Yu-ying Yang, Rajesh Kumar Kainthan, David Cooper, Michael William Pride, Kathrin Ute Jansen
Abstract: This invention relates to novel recombinant botulinum neurotoxins serotype A exhibiting both (i) an increased duration of effect and (ii) a high specific biological activity. These novel recombinant botulinum neurotoxins comprise at least two additional domains consisting of proline, alanine and an additional amino acid residue and at least one amino acid modification which is located at the alpha-exosite or at the beta-exosite of the light chain of the neurotoxin. The invention further relates to novel recombinant single-chain precursor botulinum neurotoxins and compositions comprising the recombinant botulinum neurotoxin with an increased duration of effect and a high specific biological activity.
Type:
Grant
Filed:
July 6, 2017
Date of Patent:
October 26, 2021
Assignee:
MERZ PHARMA GMBH & CO. KGAA
Inventors:
Jürgen Frevert, Fred Hofmann, Marcel Jurk, Manuela López De La Paz, Daniel Scheps
Abstract: Disclosed herein is an avirulent live vaccine that involves a recombinant protozoan from the order Trypanosomatida having a knocked out or silenced cyclophilin gene, wherein the cyclophilin gene comprises T. cruzi cyclophilin 19 (TcCyp19) gene, or an orthologue thereof. Also disclosed is a method or inducing a protective immune response in a subject that involves administering to the subject a vaccine disclosed herein. Also disclosed is a method of treating or preventing Chagas disease, African trypanosomiasis, and/or leishmaniasis in a subject that involves administering to the subject a vaccine disclosed herein.
Abstract: The present disclosure relates to a composition for preventing or treating metabolic diseases, in which the composition includes Bacteroides acidifaciens as an active ingredient. In addition, the present disclosure relates to a composition for oxidizing fat or inhibiting DPP-4, in which the composition includes Bacteroides acidifaciens as an active ingredient. In addition, the present disclosure relates to a transformant expressing a lean phenotype, in which an Atg7 gene is deleted in dendritic cells.
Abstract: A complex comprising a carrier containing a plasma-derived protein or serum-derived protein solidified by denaturation coagulation, and a protein having a peroxidase-like activity and carried by the carrier, which has such high effectiveness that it can strongly stimulate an antigen-presenting cell, and can be used as a highly safe immunostimulant with reduced toxicity to living bodies.