Abstract:
PROBLEM TO BE SOLVED: To provide: an immunogenic composition capable of high levels of immune responses immune-targeting glycolipid antigen Globo H, which is a tumor associated sugar chain; a cancer vaccine; and a method of treating cancer.SOLUTION: The invention relates to an immunogenic composition comprising: (a) a sugar chain such as Globo H or an immunogenic fragment thereof conjugated with a carrier protein comprising diphtheria toxin cross-reacting material 197 (DT-CRM 197) through a linker such as p-nitrophenol; and (b) an adjuvant with the following structure comprising a glycolipid capable of binding CD1d on a dendritic cell such as an α-galactosyl ceramide derivative.
Abstract:
Un compuesto representado por la estructura de fórmula 1:**Fórmula** o una sal farmacéuticamente aceptable del mismo; para su uso en medicina.
Abstract:
The present disclosure relates to synthetic alpha-galactosyl ceramide (α-GalCer) analogs, and their use as immunotherapies. In one aspect. a method of activating a cytokine response in a subject includes administering an effective amount of a compound to a subject, wherein the subject has an adaptive immune system that includes a population of cells, the population including at least one lymphocyte and at least one antigen-presenting cell, and wherein the compound is represented by the structure of formula 1: or a pharmaceutically acceptable salt thereof; forming a complex between the compound and the antigen-presenting cell, wherein the formation of the complex results in the activation of a receptor on the lymphocyte; and activating the lymphocyte to produce the cytokine response.
Abstract:
The present invention provides for an immunogenic composition comprising (a) a glycan, such as Globo H, stage-specific embryonic antigen-3 (SSEA-3) or SSEA-4, conjugated to a carrier protein through a linker; (b) an adjuvant comprising a glycolipid, such as a-galactosyl-ceramide adjuvant, wherein the composition induces an immune response, such as a higher relative level of IgG isotype antibodies compared to IgM isotype antibodies, or neutralising antibodies against at least one antigen selected from the group consisting of Globo H, Gb4, SSEA-3, and SSEA-4. Uses of the immunogenic composition for treating or inhibiting tumour growth are also provided.
Abstract:
The present disclosure relates to synthetic alpha-galactosyl ceramide (a- GalCer) analogs, and their use as immunotherapies, adjuvants, and antiviral, antibacterial, and anticancer agents. In one aspect, a method of activating a cytokine response in a subject includes administering an effective amount of a compound to a subject, wherein the subject has an adaptive immune system that includes a population of cells, the population including at least one lymphocyte and at least one antigen-presenting cell, and wherein the compound is represented by the structure of formula 1 :; or a pharmaceutically acceptable salt thereof; forming a complex between the compound and the antigen-presenting cell, wherein the formation of the complex results in the activation of a receptor on the lymphocyte; and activating the lymphocyte to produce the cytokine response.
Abstract:
The present disclosure relates to synthetic alpha-galactosyl ceramide (a-GalCer) analogs, and their use as immunotherapies. In one aspect, a method of activating a cytokine response in a subject includes administering an effective amount of a compound to a subject, wherein the subject has an adaptive immune system that includes a population of cells, the population including at least one lymphocyte and at least one antigen-presenting cell, and wherein the compound is represented by the structure of formula (1) wherein, n is 0 to 25; X is selected from O and S; R 1 is selected from H, CH 3 , and phenyl, where phenyl is optionally substituted with H, OH, OCH 3 , F, CF 3 , phenyl, phenyl-F, C 1 -C 6 alkyl, or C 2 -C 6 branched alkyl; R 2 is selected from OH and H; R 3 is selected from C 1 -C 15 alkyl, and phenyl, where phenyl is optionally substituted with H, OH, OCH 3 , F, CF 3 , phenyl, C 1 -C 6 alkyl, or C 2 -C 6 branched alkyl; R 4 is selected from OH, OSO 3 H, OSO 3 Na, and OSO 3 K; and R 5 is selected from CH 2 OH and CO 2 H; or a pharmaceutically acceptable salt thereof; forming a complex between the compound and the antigen-presenting cell, wherein the formation of the complex results in the activation of a receptor on the lymphocyte; and activating the lymphocyte to produce the cytokine response.
Abstract:
A fucose-containing glycoprotein fraction obtainable from an extract of Ganoderma Lucidum Reishi, compositions comprising the fuconse-containing glycoprotein fraction, a method to mediate immunomodulating events associated with IL-1 gene expression, a method to stimulate the expression of an inflammatory cytokine, a method to modulate protein kinase pathways associated with inflammatory cytokine Interleukin 1, a method to induce a TLR mediated event; a method to modulate differentiation of a mononuclear cell, a method to enhance cytotoxicity of an NK cell against an NK-sensitive tumor cell, a method to activate the expression of cytokines, a method to induce Blimp-1 expression in a mouse splenic B cell or human B cell, human mature splenocytes or dendritic cell, a method to inhibit LPS induced nitric oxide production in macrophages, a method to activate spleen cells proliferation, and a method to modify the proteome of a spleen cell.
Abstract:
Immunogenic compositions, cancer vaccines and methods for treating cancer are provided. Compositions compris-ing: (a) a glycan such as Globo H or an immunogenic fragment thereof, wherein the glycan is conjugated with a carrier protein by a linker such as para-nitrophenyl; and (b) an adjuvant comprising glycolipid capable of binding CDId on a dendritic cell, such as an a-galactosyl-ceramide derivative, wherein the immunogenic composition induces an immune response that induces a higher relative level of IgG isotype antibodies as compared to IgM isotype antibodies, are provided. Immunogenic compositions compris-ing the carrier protein diphtheria toxin cross-reacting material 197 (DT-CRM 197) and the adjuvant C34 are provided. Antibodies generated by immunogenic compositions disclosed herein further neutralize at least one of the antigens Globo H, stage-specific embryonic antigen-3 (SSEA-3) and stage-specific embryonic antigen-4 (SSEA-4). Therapeutics against breast cancer stem cells comprising immunogenic compositions comprising Globo H, SSEA-3 or SSEA-4 conjugated with DT-CRM 197.
Abstract:
The present disclosure relates to synthetic alpha-galactosyl ceramide (.alpha.- GalCer) analogs, and their use as immunotherapies, adju-vants, and antiviral, antibacterial, and anticancer agents. In one aspect, a method of activating a cy-tokine response in a subject includes administer-ing an effective amount of a compound to a sub-ject, wherein the subject has an adaptive immune system that includes a population of cells, the population including at least one lymphocyte and at least one antigen-presenting cell, and wherein the compound is represented by the structure of formula 1 :; or a pharmaceutically acceptable salt thereof; forming a complex between the com-pound and the antigen-presenting cell, wherein the formation of the complex results in the activa-tion of a receptor on the lymphocyte; and activat-ing the lymphocyte to produce the cytokine re-sponse.