45 results about "Camelid" patented technology

The present invention relates to gastroresistant and enterosoluble microparticulate systems for the encapsulation of biologically active substances selected from: flavonoids, vitamins, antioxidants, immunostimulants, starchy and non-starchy polysaccharides, probiotics, prebiotics, intestinal trophism regulators, oligoelements, enzymes and bioactive peptides. Such microparticulate systems allow the administration of the aforementioned nutraceutic substances to animals such as porcines, bovines, caprines, ovines, equids, canids, felines, camelids, lagomorphs, rodents, fowl, and other mammals, including humans, fish and crustaceans, increasing the bioavailability.

The present application relates to antigen-binding proteins that are capable of binding to mammalian IgG. The frame-work regions of the antigen-binding proteins of the application preferably correspond to those of antibodies naturally that are devoid of light chains as may e.g. be found in camelids. The application further relates to nucleic acids that encode such antigen-binding proteins, to immunoadsorbent materials that comprise such proteins, to the uses of such immunoadsorbent materials for the purification of mammalian IgG antibodies and for therapeutic apheresis.

Blood-brain barrier permeable peptide compositions that contain variable antigen binding domains from camelid and / or shark heavy-chain only single-domain antibodies are described. The variable antigen binding domains of the peptide compositions bind to therapeutic and diagnostic biomarkers in the central nervous system, such as the amyloid-beta peptide biomarker for Alzheimer's disease. The peptide compositions contain constant domains from human IgG, camelid IgG, and / or shark IgNAR. The peptide compositions include heavy-chain only single-domain antibodies and compositions with one or more variable antigen binding domain bound to one or more constant domains.

The present invention relates to an active composition for controlling or eradicating Phthiraptera, Siphonaptera and Acarina Pests, typically in domestic animals, comprising a synergistic combination of at least one A83543 compound and at least one macrocyclic lactone. The invention also relates to the use of the active composition in pesticidal formulations, the formulations themselves and to the various applications of those formulations as pesticides, specifically in controlling all species of Phthiraptera, Siphonaptera and Acarina pests, typically in domestic animals. Such applications include the control of such external Phthiraptera, Siphonaptera and Acarina pests in domestic animals including but not limited to sheep, cattle, poultry, pigs, goats, camelids, horses, dogs and cats.

The present invention relates to antibodies and antigen binding fragments thereof derived from antibodies raised by DNA immunization of host animals, particularly camelids (e.g. llama). The antibodies and antigen binding fragments thereof bind to proteins which may be particularly large in size (at least 1115 amino acids in length), or have at least 8 transmembrane domains, or are naturally encoded by nucleotide sequences which are difficult to replicate in standard or common E. coli strains. The present invention also relates to antibodies and antigen binding fragments thereof which bind to ion channels, in particular the voltage-gated sodium channel Nav1.7. Methods of raising antibodies against particular protein targets by a process of DNA immunization are also provided.

A method of recombinantly producing a non-bovine pre-prochymosin, prochymosin or chymosin derived from ruminant species including deer species, buffalo species, antelope species, giraffe species, ovine species and caprine species; Camelidae species such as Camelus dromedarius; porcine species; or Equidae species. The recombinant enzymes are used in milk coagulating compositions in cheese manufacturing based on cow's milk and milk from any animal species which are used in cheese manufacturing including camel's milk.

A method of recombinantly producing a non-bovine pre-prochymosin, prochymosin or chymosin derived from ruminant species including deer species, buffalo species, antelope species, giraffe species, ovine species and caprine species; Camelidae species such as Camelus dromedarius; porcine species; or Equidae species. The recombinant enzymes are used in milk coagulating compositions in cheese manufacturing based on cow's milk and milk from any animal species which are used in cheese manufacturing including camel's milk.

The present invention relates to single domain antibodies with a specificity for BACE1. More specifically, the invention provides single variable domain antibodies derived from camelids which bind to BACE1 and are capable of inhibiting the activity of BACE1. Said antibodies can be used for research and medical applications. Specific applications include the use of BACE1 specific antibodies for the treatment of Alzheimer's disease.

The invention relates to novel humanized antibodies derived from the conventional antibody repertoire of species in the family Camelidae.

The present invention relates to polypeptides derived from single domain heavy chain antibodies directed to Tumor Necrosis Factor-alpha. It further relates to single domain antibodies that are Camelidae VHHs. It further relates to methods of administering said polypeptides. It further relates to protocols for screening for agents that modulate the TNF-alpha receptor, and the agents resulting from said screening.

The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.

The present application relates to antigen-binding proteins that are capable of binding to mammalian IgG. The frame-work regions of the antigen-binding proteins of the application preferably correspond to those of antibodies naturally that are devoid of light chains as may e.g. be found in camelids. The application further relates to nucleic acids that encode such antigen-binding proteins, to immunoadsorbent materials that comprise such proteins, to the uses of such immunoadsorbent materials for the purification of mammalian IgG antibodies and for therapeutic apheresis.

The present invention relates to a method for generating immunoglobulin sequences against cell-associated antigens, more particularly, antigens that are membrane-anchored. The invention also provides immunoglobulin sequences obtainable by the method of the invention. Specifically, the present invention relates to the generation of immunoglobulin sequences by use of DNA vaccination. More specifically, the present invention relates to generation of immunoglobulin sequences in camelids, preferably directed against cell-associated antigens, in particular antigens with multiple transmembrane spanning domains, including GPCRs and ion channels, by DNA vaccination. Furthermore, the present invention relates to said immunoglobulin sequences against cell-associated antigens, more particularly, antigens that are membrane-anchored, such as e.g. GPCRs and ion channels, more preferably ion channels.

The present invention relates to variable domains of a camelid heavy-chain antibodies directed against a phosphorylated tau protein and conjugates thereof. The present invention also relates to the use of these domains or conjugates for treating or diagnosing disorders mediated by neurofibrillary tangles, neuropil threads or dystrophic neurites, such as tauopathies.

Campylobacter jejuni is a leading cause of bacterial food-borne diseases in humans, ranging from acute diarrheal disease to neurological disorders. An isolated or purified antibody or fragment thereof specific to C. jejuni is described. The antibody or fragment thereof binds to a flagellar protein and reduces motility of C. jejuni. The antibody or fragment thereof is derived from a heavy chain IgG variable domain fragment (VHH) of a camelid animal immunized with C. jejuni flagellar protein. A multivalent form, as well as a phage format, of the antibody or fragment thereof is described. Methods of reducing presence of C. jejuni in an animal or an animal environment, methods and formulations for treating C. jejuni infection, and method of detecting C. jejuni are also described.

The present invention relates to an active composition for controlling or eradicating Diptera pests in domestic animals or their environs, comprising a synergistic combination of at least one A83543 compound and at least one macrocyclic lactone. The invention also relates to the use of the active composition in pesticidal formulations, the formulations themselves and to the various applications of those formulations as pesticides, specifically in controlling all species of Diptera pests in domestic animals or their environs. Such applications include the control of such external Diptera pests in domestic animals including but not limited to sheep, cattle, poultry, pigs, goats, camelids, horses, dogs and cats, and also the household and rural applications of such formulations in control of such pests.

The invention relates to VHH (variable domain of heavy chain of heavy-chain antibody) antibody gene derived from anti-CyPA (CyclophilinA) animal of family Camelidae, encoded polypeptide, and application of the gene and the polypeptide in preparing drugs for treating inflammatory diseases such as rheumatoid arthritis. The VHH antibody gene has gene sequence shown in sequence table (400)1, the encoded polypeptide has amino acid sequence shown in sequence table (400)2. Lama pacos as immune animal is used, and phage display techniques (PDT) are adopted to successfully obtain an anti-CyPA VHH antibody capable of specifically combining with expressed CyPA antigen. The antibody can inhibit monocytes THP-1 chemotaxis and gelatinase secretion induced by CyPA. Dimer or polymer can be constructed by gene engineering method, to be applied in diagnosis or research on drugs for treating inflammatory diseases. The gene and the polypeptide establish foundation for further research on related drugs for treating rheumatoid arthritis.

A stable protein ionic liquid, comprising an anti-hemoglobin cation / anion pair. The anti-hemoglobin cation / anion pair may be an anionic polymer of poly(ethylene glycol) 4-nonylphenyl 3-sulfopropyl ether. The anti-hemoglobin cation / anion pair may further comprise a cationized anti-hemoglobin antibody, single-chain antibodies from camelids, antibody fragments, polyclonal Anti-horse spleen ferritin antibodies, monoclonal Anti-Flag antibodies, monoclonal Anti-HRP2 to Plasmodium falciparum, polyclonal Anti-neuropeptide Y, polyclonal Anti-human troponin, isotypes of antibodies, or combinations of multiple antibodies.

Blood-brain barrier permeable peptide compositions that contain variable antigen binding domains from camelid and / or shark heavy-chain only single-domain antibodies are described. The variable antigen binding domains of the peptide compositions bind to therapeutic and diagnostic biomarkers in the central nervous system, such as the amyloid-beta peptide biomarker for Alzheimer's disease. The peptide compositions contain constant domains from human IgG, camelid IgG, and / or shark IgNAR. The peptide compositions include heavy-chain only single-domain antibodies and compositions with one or more variable antigen binding domain, bound to one or more constant domains.

The invention relates to an antigen binding protein, an antibody or an antibody active fragment obtained by immunizing a camelidae animal by using an S protein NTD region of SARS-Cov-2. According to the invention, the antibody which specifically recognizes and is combined with the NTD region of the S protein on the surface of the new coronavirus is screened, identified and prepared by virtue of an immune system of a camelidae animal, the obtained antibody is high in affinity and specifically recognizes and is combined with the NTD region, and the region is a part with relatively great difference between the S protein of the new coronavirus and other coronavirus sequences, so that the new coronavirus S protein can be specifically recognized and combined with the NTD region. The method can be used as a marker for distinguishing a new coronavirus from other coronaviruses. The antibody is developed aiming at the NTD region of the S protein, so that the new coronavirus and other coronaviruses are expected to be specifically distinguished, and the diagnosis of patients and the implementation of symptomatic treatment measures are facilitated.

The invention discloses a sustained-release anti-FcRn antibody or antigen binding fragment and application thereof. The sustained-release anti-FcRn antibody or antigen binding fragment comprises a heavy chain variable region and a heavy chain constant region. The heavy chain variable region is VHH of a heavy chain antibody of camelidae or a polypeptide consisting of the VHH of the heavy chain antibody of the camelidae; the VHH comprises CDRs 1, 2 and 3; the VHH CDR1 region, the VHH CDR2 region and the VHH CDR3 region respectively comprise amino acid sequences shown as SEQ ID NO: 1, SEQ ID NO: 2 and SEQ ID NO: 3 or amino acid sequences with at least 80% identity with amino acid sequences shown as SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6; and the heavy chain constant region has an amino acid sequence which is at least 80% identical with an amino acid sequence as shown in SEQ ID NO: 9. By conjugating an HSA antibody sequence to an FcRn antibody, the half-life period of an original antibody is prolonged, and the number of times of drug administration is reduced.

The present invention relates to a novel composition with milk of immunized camelid, particularly, (Camelus dromedarius) as the main component (i.e. active ingredient) and a method for the treatment or prevention of gastrointestinal infections, particularly, infections caused by Escherichia coli (E. coli), Helicobacter Pylori (H. pylori), Campylobacter jejuni (C. jejuni), Salmonella enterica, Shigella dysenteriae, Clostridium perfringens, or Yersinia enterocolitica. Said composition is prepared in the form of pharmaceutical, nutraceutical, or health food preparations. The present invention also discloses a process of preparing said composition.

The invention relates to an antigen binding protein, an antibody or an antibody active fragment obtained by immunizing a camelidae animal with S protein of SARS-Cov-2. And the S protein of the SARS-Cov-2 has a trimer structure. According to the invention, the antibody for specific recognition and combination with the new coronavirus S protein is screened, identified and prepared by relying on an immune system of a camelidae animal, and the obtained antibody is high in specificity, can be used for rapid detection of the new coronavirus, has potential clinical diagnosis and treatment values, and is easy to carry out genetic engineering modification and humanization. The antibody provided by the invention is high in stability, can avoid the requirement that a conventional antibody needs low-temperature storage and transportation, and is beneficial to large-scale popularization and application, reduction of production cost and realization of large-scale production.

The present disclosure relates to a method for the purification of a human IgG-CH1 domain comprising molecule using an antigen-binding protein that is capable of binding to an epitope that is comprised in the CH1 domain of each of human IgG1, human IgG2, human IgG3 and human IgG4. The disclosure further relates to the antigen-binding proteins that can be used in the method of the disclosure. The frame-work regions of the antigen-binding proteins of the invention preferably correspond to those of antibodies that naturally are devoid of light chains as may e.g. be found in camelids. The disclosure further relates to nucleic acids that encode such antigen-binding proteins, to immunoadsorbent materials that comprise such proteins, and to the uses of such immunoadsorbent materials for the purification of IgG-CH1 domain containing molecules from a variety of species.