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| Bromodeoxyuridine | |
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| Identifiers | |
| CAS number | [59-14-3] |
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| Properties | |
| Molecular formula | C9H11BrN2O5 |
| Molar mass | 307.098 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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Bromodeoxyuridine (5-bromo-2-deoxyuridine, BrdU) is a synthetic nucleoside which is an analogue of thymidine. BrdU is commonly used in the detection of proliferating cells in living tissues.
BrdU can be incorporated into the newly synthesized DNA of replicating cells (during the S phase of the cell cycle), substituting for thymidine during DNA replication. Antibodies specific for BrdU can then be used to detect the incorporated chemical (see immunohistochemistry), thus indicating cells that were actively replicating their DNA. Binding of the antibody requires denaturation of the DNA, usually by exposing the cells to acid or heat.
Because BrdU can replace thymidine during DNA replication, it can cause mutations, and its use is therefore potentially a health hazard.
See also
External links
- BrdU incorporation during DNA replication - Jiayang Chien, Wellesley College
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