42 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.

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.

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 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 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.

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 pepsinogen II. The antibody for specific recognition and combination with pepsinogen II 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 stomach lesion detection and has potential clinical diagnosis and treatment value; the antibody provided by the invention is simple in structure, easy to carry out genetic engineering modification, easy to realize humanization, high in stability, low in mass production cost and beneficial to realizing large-scale production.

The present invention relates to a novel pharmaceutical 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 skin or mucus membrane infections, particularly Acne vulgaris. The present invention also discloses a process of preparing said composition.