The invention is directed to modified Coversin polypeptides which exhibit leukotriene or hydroxyeicosanoid binding activity and reduced or absent C5 binding relative to the unmodified Coversin polypeptide; to nucleic acid molecules encoding said modified Coversin polypeptides; vectors and host cells comprising said nucleic acid molecules; and methods of treating or preventing diseases or conditions mediated by a leukotriene or hydroxyeicosanoid in a subject comprising administering said modified polypeptides or nucleic acids to a subject.

This invention relates to novel fusion peptides and immunogenic compositions containing the fusion peptides useful in the control and prevention of tick infestations. The invention also relates to compositions comprising said fusion peptides, methods of vaccination against tick infestation using said fusion peptides and compositions, and kits for use with such compositions and methods.

The invention falls within the fields of pharmaceutical sciences, immunology and methods of treatment of cancer Methods. More specifically, the invention relates to a compound for modulating one or more innate immune pathways selected from RLR, TLR, OAS and/or oncostatin M, said compound being amblyomin-×or peptides derived from amblyomin-X. Use of said compound for preparing medicines; a pharmaceutical composition comprising said compound, a method for modulating said pathways in vitro and a method of treatment are also described.

The invention relates to complement inhibitors that inhibit both the classical and alternative complement pathways. In particular, the invention relates to complement inhibitors derived from the salivary glands of haematophagous arthropods that inhibit both the classical and alternative complement pathways. The invention also relates to the use of the complement inhibitors in the treatment and prevention of diseases.

The present invention relates to immunogenic polypeptides, immunogenic fragments thereof and compositions comprising same, for use in eliciting an immune response in a subject to a tick. The invention also provides for methods of using said compositions and polypeptides.

The invention relates to complement inhibitors that inhibit both the classical and alternative complement pathways. In particular, the invention relates to complement inhibitors derived from the salivary glands of haematophagous arthropods that inhibit both the classical and alternative complement pathways. The invention also relates to the use of the complement inhibitors in the treatment and prevention of diseases.

Provided herein are compositions and methods for reducing bacterial contamination during cell culture. Such compositions and methods utilize engineered peptides or recombinant cells capable of secreting such peptides into culture medium. Also provided are methods of using the engineered peptides for inhibiting bacterial growth during culturing of cells.

The invention relates to novel Evasin polypeptides with novel chemokine-binding properties and their use in inhibiting chemokines or detecting chemokine expression and inflammation.

The present invention relates to tick polypeptides and compositions comprising the same, which are useful for treatment or prophylaxis of tick infestation in a subject.

[Problem] To provide a nucleic acid expected to be useful for treating mite allergy. [Means to be solved] Provided is a nucleic acid comprising a nucleotide sequence encoding a chimeric protein, wherein the nucleic acid comprises a nucleotide sequence encoding a signal peptide, a nucleotide sequence encoding an intra-organelle stabilizing domain of LAMP, a nucleotide sequence encoding an allergen domain comprising Der p 1, Der p 2, Der p 23, and Der p 7, a nucleotide sequence encoding a transmembrane domain and a nucleotide sequence encoding an endosomal/lysosomal targeting domain of LAMP in this order.