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pubmed:abstractText |
A large complex of proteins, called CENPs, are associated with centromeric DNA. Some of them exhibit a cell cycle-related expression (e.g., CENP-E and -F) and are required for the transition from interphase to mitosis, whereas constitutive proteins (e.g., CENP-A, -B, -C, -G, and -H) reside permanently at the centromere and are essential for the correct kinetochore assembly. Poly(ADP-ribose) polymerase-1 (PARP-1), which plays an active role in many basic processes, was described as a possible regulator of CENPs. By multicolor immunofluorescence we therefore analyzed the distribution of PARP-1 and its interaction with CENP-B, -E, and -F during mitosis and apoptosis.
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