Human CT1 ELISA Kit (DEIA786)

Regulatory status: For research use only, not for use in diagnostic procedures.

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serum, plasma, other biological fluids
Species Reactivity
Intended Use
The kit is a sandwich enzyme immunoassay for the in vitro quantitative measurement of CT1in human serum, plasma and other biological fluids.
Contents of Kit
1. Pre-Coated 96-well strip plate: 1
2. Plate sealer for 96 wells: 4
3. Standard: 2
4. Standard Diluent: 1 x 20 mL
5. Detection Reagent A: 1 x 120 μL
6. Assay Diluent A (2X): 1 x 6 mL
7. Detection Reagent B: 1 x 120 μL
8. Assay Diluent B (2X): 1 x 6 mL
9. TMB Substrate: 1 x 9 mL
10. Stop Solution: 1 x 6 mL
11. Wash Buffer (30X): 1 x 20 mL
12. Instruction manual: 1
All the reagents should be kept according to the labels on vials. For more detailed information, please download the following document on our website.


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Development of an immune gene prognostic classifier for survival prediction and respond to immunocheckpoint inhibitor therapy/chemotherapy in endometrial cancer


Authors: Liu, Jinhui; Chen, Xing; Jiang, Yi; Cheng, Wenjun

Immunotherapy has provided a promising therapeutic strategy for endometrial cancer (EC). The present study aims to develop a prognostic classifier based on immune-related genes (IRGs) to stratify EC patients. A total of 15 prognosis-related IRGs were further filtrated by multivariate Cox regression: LTA, TMSB15A, S100A14, PLA2G2A, PDGFRA, CLDN4, CTF1, PRLH, PTN, SST, HTR3E, NRP1, RORA, THRA and CBLC. A prognostic signature was constructed to split EC patients into the high-risk and low-risk group with statistically different survival outcomes, indicating good potential for the prognostic signature in survival surveillance. Furthermore, five compounds with potential anti-tumor effects were selected, including ciclopirox, ikarugamycin, vincamine, mevalolactone, and thiamazole. The abundance of follicular helper T cells, regulatory T cells and M0 macrophages were significantly enhanced in the high-risk group while resting memory CD4+ T cells, gamma delta T cells, M2 macrophages and resting mast cells were markedly elevated in the low-risk group. Memory activated CD4+ T cells, CD8+ T cells and activated mast cells were three most correlative with riskscore. An immunophenoscore (IPS) analysis revealed that patients of the low-risk group had a higher IPS and more inclined to respond to immune checkpoint inhibitors. Mutation analysis showed that patients of the low-risk group represented more tumor mutation burden but low riskscore, thus getting better prognosis. Patients of the low-risk group were more sensitive for gemcitabine, bleomycin, vinblastine, vinorelbine and methotrexate by prediction. We constructed a potential prognostic model and might offer new insight on the identification of new immune related biomarkers and target therapy in EC.

Dynamic chromatin alterations triggered by natural and synthetic activation domains


Authors: Erkine, AM; Gross, DS

The activation domains (ADs) of transcription activators recruit a multiplicity of enzymatic activities to gene promoters. The mechanisms by which such recruitment takes place are not well understood. Using chromatin immunoprecipitation, we demonstrate dynamic alterations in the abundance of histones H2A, H3, and H4 at promoters of genes regulated by the HSF and Gal4 activators of Saccharomyces cerevisiae. Transcriptional activation of these genes, particularly those regulated by HSF, is accompanied by a significant reduction in both acetylated and unacetylated histones at promoters and may involve the transient displacement of histone octamers. To gain insight into the function of ADs, we conducted a genetic screen to identify polypeptides that could substitute for the 340-residue C-terminal activator of HSF and rescue the temperature sensitivity caused by its deletion. We found that the ts(-) phenotype of HSF(1-493) could be complemented by peptides as short as 11 amino acids. Such peptides are enriched in acidic and hydrophobic residues, and exhibit both trans-activating and chromatin-modifying activities when fused to the Gal4 DNA-binding domain. We also demonstrate that a previously identified 14-amino acid histone H3-binding module of human CTF1/NF1, which is similar to synthetic ADs, can substitute for the HSF C-terminal activator in conferring temperature resistance and can mediate the modification of promoter chromatin structure. Possible mechanisms of AD function, including one in. volving direct interactions with histones, are discussed.

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