摘要:
The present invention is directed to T-cell epitope delivering polypeptides which deliver one or more CD8+ T-cell epitopes to the MHC class I presentation pathway of a cell, including toxin-derived polypeptides which comprise embedded T-cell epitopes and are de-immunized. The present invention provides cell-targeted, CD8+ T-cell epitope delivering molecules for the targeted delivery of cytotoxicity to certain cells, e.g., infected or malignant cells, for the targeted killing of specific cell types, and the treatment of a variety of diseases, disorders, and conditions, including cancers, immune disorders, and microbial infections. The present invention also provides methods of generating polypeptides capable of delivering one or more heterologous T-cell epitopes to the MHC class I presentation pathway, including polypeptides which are 1) B-cell and/or CD4+ T-cell de-immunized, 2) comprise embedded T-cell epitopes, and/or 3) comprises toxin effectors which retain toxin functions.
摘要:
The present invention is directed to T-cell epitope delivering polypeptides which deliver one or more CD8+ T-cell epitopes to the MHC class I presentation pathway of a cell, including toxin-derived polypeptides which comprise embedded T-cell epitopes and are de-immunized. The present invention provides cell-targeted, CD8+ T-cell epitope delivering molecules for the targeted delivery of cytotoxicity to certain cells, e.g., infected or malignant cells, for the targeted killing of specific cell types, and the treatment of a variety of diseases, disorders, and conditions, including cancers, immune disorders, and microbial infections. The present invention also provides methods of generating polypeptides capable of delivering one or more heterologous T-cell epitopes to the MHC class I presentation pathway, including polypeptides which are 1) B-cell and/or CD4+ T-cell de-immunized, 2) comprise embedded T-cell epitopes, and/or 3) comprises toxin effectors which retain toxin functions.
摘要:
A bacterial toxin protein such as a Shiga toxin protein is efficiently produced using plant cells. The plant cells are transformed using a DNA construct containing DNA encoding a hybrid protein in which the bacterial toxin proteins such as the Shiga toxin proteins are tandemly linked through a peptide having the following characteristics (A) and (B) to produce the bacterial toxin protein in the plant cells: (A) a number of amino acids is 12 to 30; and (B) a content of proline is 20 to 35%.
摘要:
This invention discloses immunostimulatory combinations of Tumor Necrosis Factor Receptor Superfamily (TNFRSF) agonists, Toll-Like Receptor (TLR) agonists, "domain present in NA IP, C IITA, H ET-E, T P-1(NACHT)- L eucine R ich R epeat (LRR)" or "NLR" agonists, RIG-I-Like Helicase or "RLH" agonists, purinergic receptor agonists and cytokine/chemokine receptor agonists, together with delivery methods. The combinations, when used alone at the site of pathology, provide immunostimulation that induces host humoral and cellular immunologic responses to eliminate pathogens or neoplasms. Alternatively, when the combinations are used with a defined antigens, these combinations can induce focused humoral and cellular immunologic responses useful as prophylactic and/or ameliorative therapeutic modalities for infections and the treatment of neoplastic disorders.
摘要:
This application relates to compounds capable of inhibiting FNR transcription factor activity in a bacterial pathogen, methods of treating or preventing a pathogenic infection caused by a pathogenic bacteria by administering to a human, animal or plant said compounds, and methods of screening for compounds capable of inhibiting FNR transcription factor activity.
摘要:
Bacteria belonging to the Shigella genus, mutated to inactivate the function of at least one of the gene products responsible for the metabolism and/or recycling of the peptidoglycans of the cellular wall, for immunogenic use, especially mutated at SltY, MltA, MltB, ampG, amiA, MppA genes, and immunogenic compositions comprising them.
摘要:
The present invention concerns an universal polypeptidic carrier for targeting directly or indirectly a molecule to Gb3 receptor expressing cells and having the following formula STxB-Z(n)-Cys, wherein: STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z is an amino-acid devoided of sulfydryl group, n being 0, 1 or a polypeptide, Cys is the amino-acid Cysteine. p