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Tumor Ag NY-ESO-1 is an attractive target for immunotherapy of cancer, since both CD8(+) CTL and CD4(+) Th cells against NY-ESO-1 have been described. Moreover, NY-ESO-1 as well as the highly homologous tumor Ag LAGE-1 are broadly expressed in various tumor types. Interestingly, the NY-ESO-1 and LAGE-1 genes also encode for proteins translated in an alternative open reading frame. These alterna...
NY-ESO-1 (CTAG 1B) is highly expressed in the majority of synovial sarcomas and myxoid/round cell liposarcomas as well as in a subset of melanomas, but only rarely in other mesenchymal tumors. This points to a potential for using NY-ESO-1 in the differential diagnosis of these lesions. Furthermore, promising results have been obtained in clinical trials testing NY-ESO-1-targeted immunotherapy i...
Immunotherapies using cancer-testis (CT) antigens as targets represent a potentially useful treatment in patients with multiple myeloma (MM) who commonly show recurrent disease following chemotherapy. We analyzed the expression of 11 CT antigens in bone marrow samples from patients with MM (n=55) and healthy donors (n=32) using reverse transcriptase-polymerase chain reaction (RT-PCR). CT antige...
CD133 and cancer-testis antigens (CTAs) may be potential predicted markers of adjuvant chemotherapy or immune therapy, and they may be the independent prognostic factor of NSCLC. Nowadays, there is still no predictive biomarker identified for the use of adjuvant chemotherapy in non-small cell lung cancer (NSCLC) patients. To clarify the role of CD133 and CTAs as a predictive marker for adjuvant...
We present the results of photometric measurements from images of the LMC cluster ESO 121-SC03 taken with the Advanced Camera for Surveys on the Hubble Space Telescope. Our resulting colour-magnitude diagram (CMD) reaches 3 magnitudes below the main-sequence turn-off, and represents by far the deepest observation of this cluster to date. We also present similar photometry from ACS imaging of th...
Silent information regulators, or Sir proteins, play distinct roles in chromatin-mediated transcriptional control at the silent mating-type loci, telomeres, and within the rDNA repeats of Saccharomyces cerevisiae. An unusual collection of sir3 mutant alleles was identified in a genetic screen for enhancers of the sir1 mutant mating-defective phenotype. These sir3-eso mutants, like the sir1 muta...
The distinction between renal oncocytoma (RO) and chromophobe renal cell carcinoma (ChRCC), especially the eosinophilic variant, can often be difficult. Our study has documented for the first time the expression of MAGE-A3/4 and NY-ESO-1 cancer testis antigens (CTAs) in these tumors. A total of 35 patients (17 ROs and 18 ChRCCs) were included in the study. Two antibodies were used for immunohis...
Cancer vaccines are designed to expand tumor antigen-specific T cells with effector function. However, they may also inadvertently expand regulatory T cells (Treg), which could seriously hamper clinical efficacy. To address this possibility, we developed a novel assay to detect antigen-specific Treg based on down-regulation of surface CD3 following TCR engagement, and used this approach to scre...
Dendritic cells (DCs) play a critical role in initiating antigen-specific immune responses, because they are able to capture exogenous antigens for presentation to naive T cells on both MHC class I and II molecules. As such, DCs represent important elements in the development of vaccine therapy for cancer. Although DCs are known to present antigens from phagocytosed tumor cells or preprocessed ...
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