Thymidine, tritiated on the methyl group. This product is supplied steri-packaged in aqueous solution, and is typically used to label DNA in cell proliferation assays.
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250 µCi quantities of [Methyl-3H]-Thymidine are available for your research. Application of [3H]Thymidine can be found in: carboxy-terminal PTH fragments stimulating incorporation in vascular endothelial cells, quantification of granulocyte-macrophage colony-stimulating factor (GM-CSF) hypersensitivity in juvenile myelomonocytic leukemia (JMML), influence of parasympathetic non-adrenergic, non-cholinergic mechanisms on uptake (rat) in response to mastication, measurement of dendritic cell induced T cell response by intracellular ATP levels and uptake in human immunology, etc.
If aqueous solutions of thymidine are stored frozen (-20°C), care should be taken to protect the material from U.V. light during the thawing process to prevent possible dimerization.
When [methyl-3H]thymidine is incorporated into cellular DNA and undergoes radiolytic decomposition, [3H]5-hydroxymethyl-2''-deoxyuridine (HMdU) is formed.* The formation of HMdU through transmutation of [methyl-3H]thymidine occurs at the rate of B-decay, which is 0.017% per day. The transmutation product is not volatile.
S. Apelgot and B. Ekert, J. Chem. Phys. 60, 505 (1963).
K. Fink, R. E. Cline, and R. M. Fink, Anal. Chem., 35, 389 (1963).
Specifications and Criteria for Biochemical Compounds, Third Edition (ISBN 0-309-01917-6), National Academy of Sciences - National Research Council, Washington, D.C. 1972.
G. W. Teebor, K. Frenkel, and M. S. Goldstein, Proc. Natl. Acad. Sci. USA 81, 318 (1984).
H. Tono, S.S. Cohen, J. Biol. Chem. 237, 1271 (1962).
M. Nemer, J. Biol. Chem. 237, 143 (1962).
|Label Position||Specifically Labeled|
|Product Brand Name||NEN Radiochemicals|
|Special Ordering Information||This is a radioactive product - shipping address must have a license to receive radioactive materials.|
|Unit Size||250 µCi|
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