04/10/2009 12:24

Have You Seen Our Article in MedLab Magazine?

CTL scientists have had one of their articles published in a recent issue of MedLab magazine. In this article, they discuss new technology that enables high-throughput microbial detection. They al... [more...]

04/03/2009 11:36

CTL Writes Book Chapter on Validating Reference Samples for Use in Cell-Based Assays

In a new book on cell-based assays, CTL discusses key considerations in validating an ELISPOT assay. [more...]

Featured products

CTL QC Sets™

CTL’s Reference Sample QC Sets™ offer outstanding inter-assay control. Use CTL's QC Sets™ not only for validation and protocol setup purposes, but also as internal controls for clinical trials...

CTL QC Sets™


CEF Peptide Pools


CEF Peptide Pools- The Positive Control for Activating CD8 Memory Cells

CTL, in collaboration with PANATecs, offers two peptide pools that cover HLA class I restricted T cell epitopes of Cytomegalovirus, Epstein-Barr Virus, and Flu Virus (CEF peptides).

Pools Overview


CEF Peptide Pool Plus

The extended peptide pool consisting of 32 HLA class I restricted CEF T cell epitopes, and covering 15 HLA class I alleles, in particular HLA: A1, A2, A0201, A3, A11, A24, A68, A6081, B7, B8, B18, B27, B35,B44, B0702. Because the “classic” 23 CEF peptides failed to elicit CD8 cell recall responses in all Caucasians, the original peptide pool by Currier, et al. was extended by nine peptides that cover determinants and more HLA alleles. The extended 32 peptide pool elicits recall responses in most humans.[1]

LIT: [1] A panel of MHC class I restricted viral peptides for use as a quality control for vaccine trial ELISPOT assays: J.R. Currier, et al.; J.Immunol. Methods 260, 157 (2002)

Interested in CTL’s CEF Peptide Pool Plus Product Data Sheet? Download Peptide Pool Plus PDS

Interested in ordering CTL’s CEF Peptide Pool Plus?  Download CTL’s reagent order form.

CEF Peptide Pool Classic

The “classic” 23 HLA class I-restricted CEF T cell epitopes. The pool covers determinants restricted by 11 HLA alleles: A1, A2, A3, A11, A24, A68, B7, B8, B27, B35, and B44. Most Caucasian individual express at least one of these alleles and the 23 peptides selected cover CD8 cell epitopes in most Caucasians. [1]

LIT: [1] A panel of MHC class I restricted viral peptides for use as a quality control for vaccine trial ELISPOT assays: J.R. Currier, et al.; J.Immunol. Methods 260, 157 (2002)

Interested in CTL’s CEF Peptide Pool Classic Product Data Sheet? Download Peptide Pool Classic PDS

Interested in ordering CTL’s CEF Peptide Pool Classic?  Download CTL’s reagent order form.

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