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T-Cell Grade Collagen

Minor contaminants in collagen preparations, such as pepsin and proteoglycans, are highly immunogenic, and may stimulate undesired T-cells with in vitro and in vivo experiments. Furthermore, antigen presentation cells cannot process native collagen in an in vitro culture system, since these cells generally lack collagenolytic enzymes. In addition, collagen forms a gel at 37°C during cell culture, which is fatal to these cells. Therefore, it is critical to use heat-denatured collagen instead of native collagen for in vitro T-cell stimulation. Chondrex provides ultra-pure, pepsin-free, denatured collagen for T-cell proliferation assays, establishing T-cell lines, or for assaying cytokines released by activated T-cells.

T-Cell Grade Type I Collagen

Species Quantity Catalog # Price (USD)
Bovine 0.5 mg, lyophilized 1052 81.00
Chick 0.5 mg, lyophilized 1051 81.00
Human 0.5 mg, lyophilized 1055 268.00
Mouse 0.5 mg, lyophilized 1056 107.00
Porcine 0.5 mg, lyophilized 1053 81.00
Rat 0.5 mg, lyophilized 1054 107.00

T-Cell Grade Type II Collagen

Species Quantity Catalog # Price (USD)
Bovine 0.5 mg, lyophilized 2022 168.00
Chick 0.5 mg, lyophilized 2021 168.00
Human 0.5 mg, lyophilized 2025 335.00
Monkey 0.5 mg, lyophilized 2027 210.00
Mouse 0.5 mg, lyophilized 2026 473.00
Porcine 0.5 mg, lyophilized 2023 168.00
Rat 0.5 mg, lyophilized 2024 210.00

Protocol for in vitro T-cell proliferation assay