نتایج جستجو برای: کمپلکس gp96
تعداد نتایج: 4694 فیلتر نتایج به سال:
The heat shock protein gp96 is an adjuvant that can elicit T cell responses against cancer and infectious diseases, via antigen presentation, in both rodent models and clinical trials. Its uptake and internalization into antigen presenting cells (APCs) is a critical step in gp96-mediated immune responses. This study examined strategies to improve the cell internalization and T cell activation o...
gp96 is a residential heat shock protein of the endoplasmic reticulum that has been implicated in the activation of dendritic cells (DCs) for the initiation of adaptive immunity. By genetic targeting of gp96 onto the cell surface, we demonstrate that direct access of gp96 to DCs induces their maturation, resulting in secretion of proinflammatory cytokines IL-1beta, IL-12, and chemokine monocyte...
Through a process known as melanogenesis, melanocyte produces melanin in specialized organelles termed melanosomes, which regulates pigmentation of the skin, eyes, and hair. Gp96 is a constitutively expressed heat shock protein in the endoplasmic reticulum whose expression is further upregulated upon ultraviolet irradiation. However, the roles and mechanisms of this chaperone in pigmentation bi...
Background The expression of heat shock protein gp96 is strongly correlated with the degree of tissue inflammation in ulcerative colitis and Crohn's disease, thereby leading us to the hypothesis that inhibition of expression via gp96-II peptide prevents intestinal inflammation. Methods We employed daily injections of gp96-II peptide in two murine models of intestinal inflammation, the first r...
gp96 (GRP94) elicits antigen-presenting cell (APC) activation and can direct peptides into the cross- presentation pathways of APC. These responses arise through interactions of gp96 with Toll-like (APC activation) and endocytic (cross-presentation) receptors of APC. Previously, CD91, the alpha2-macroglobulin receptor, was identified as the heat shock/chaperone protein receptor of APC. Recent d...
Cell membrane translocation of heat shock protein gp96 from the endoplasmic reticulum has been observed in multiple tumors and is associated with tumor malignancy. However, the cancer-intrinsic function and the related mechanism of cell membrane gp96 as a pro-oncogenic chaperone remain further elucidated. In this study, we found that inhibition of gp96 intramolecular conformational changes by a...
Tumor cell–derived heat shock proteins are used as vaccines for immunotherapy of cancer patients. However, current approaches require the generation of custom-made products and are clinically ineffective. To improve the applicability of heat shock protein–based immunotherapy in cancers and to enhance clinical efficacy, we explored combinational treatments in a myeloma setting using pooled heter...
BACKGROUND & OBJECTIVE Cervical cancer is the second most frequent cancer among females worldwide, especially human papilloma viruses (HPV) types 16 and 18. In viral systems the identification of serological markers would facilitate the diagnosis of HPV infections and virus-related disease. The aim of the present investigation was to determine and search for serologic markers in cervical cancer...
BACKGROUND Oral cavity cancers (ORC) are the most common cancers, and standard treatment is radical surgery with postoperative radiotherapy. However, locoregional failure remains a major problem, indicating radioresistance an important issue. Our previous work has shown that GP96 contributed to radioresistance in nasopharyngeal and oral cancer cell lines. In this study, we determined clinical s...
Animals vaccinated with heat shock protein (HSP)--peptide complexes develop specific protective immunity against cancers from which the HSPs were originally isolated. This autologous specific immunity has been demonstrated using a number of HSP--peptide antigen complexes. A prototypical HSP-based cancer vaccine is the gp96--peptide antigen complex, which is currently undergoing human clinical t...
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