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59 results about "Immunglobulin e" patented technology

Immunoglobulin E (IgE) is the major mediator of asthma, urticaria, and rhinitis, which are classified as immediate allergic reactions. IgE is similar to IgG in structure, but IgE has two unique features: (1) The epsilon (ε) heavy chain has a high (12%) carbohydrate content and has an additional constant region (C H4).

Prosuction of antibodies or (functionalized) fragments thereof derived from heavy chain immunoglobulins of camelidae

A process is provided for the production of an antibody or a fragment or functionalized fragment thereof using a transformed lower eukaryotic host containing an example DNA sequence encoding the antibody or (functionalized) fragment thereof, wherein the antibody or (functionalized) fragment thereof is derived from a heavy chain immunoglobulin of Camelidae and is devoid of light chains, and wherein the lower eukaryotic host is a mould, preferably belonging to the genera Aspergillus or Trichoderma, or a yeast, preferably belonging to the yeast genera Saccharomyces, Kluyveromyces, Hansenula, or Pichia. The heavy chain fragment can contain at least the whole variable domain. A complementary determining region (CDR) different from the CDR belonging to the natural antibody ex Camelidae can be grafted on the framework of the variable domain of the heavy chain immunoglobulin. The catalytic antibodies can be raised in Camelidae against transition state molecules. The functionalized antibody or fragment thereof can comprise a fusion protein of both a heavy chain immunoglobulin from Camelidae or a fragment thereof and another polypeptide, e.g., an enzyme, preferably an oxido-reductase. Also provided are new products obtainable by a process as described, and compositions containing a product produced by a process as described, which composition may contain a new product as provided.
Owner:BAC IP

Fused protein containing cFms extracellular fragments, preparation method and applications of fused protein with cFms extracellular fragments

InactiveCN103044555AReduce or inhibit the formation ofReduced and inhibited releaseNervous disorderPeptide/protein ingredientsImmunologic disordersLymphatic Spread
The invention provides a fused protein with extracellular fragments of a macrophage stimulating factor receptor (cFms). The fused protein is formed by connecting the cFms extracellular fragments and human immunoglobulin Fc by a connecting peptide and is named as cFmsECD-Fc. The cFms extracellular fragments are composed of at least two of five immunoglobulin (IgG) extracellular structure domains. The formed fused protein comprises YY-001, YY-002, YY-003, YY-004, YY-005, YY-006 and YY-007. The fused protein provided by the invention has functions of combining interleukin-34 (IL-34), combining the macrophage stimulating factor receptor (M-CSF) and blocking the combination of IL-34 / M-CSF ligand and common receptor cFms, and is suitable for treating diseases caused by the IL-34 / M-CSF under an abnormal condition. The fused protein is promising in the treatment on autoimmune diseases, inflammatory diseases, osteoporosis and tumor. And the fused protein is used for preparing medicines capable of inhibiting the inflammatory diseases, medicines capable of inhibiting the osteoporosis caused by osteoclast or medicines capable of inhibiting the growth and metastasis of the tumor.
Owner:SUZHOU UNIV
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