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http://hdl.handle.net/10261/251766
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Título: | Identification of centromere proteins in different mammalian cells |
Autor: | Kremer, Leonor CSIC ORCID ; Del Mazo, Jesús CSIC ORCID ; Ávila, Jesús CSIC ORCID | Fecha de publicación: | 1988 | Editor: | Elsevier | Citación: | European Journal of Cell Biology 46: 196-199 (1988) | Resumen: | The characterization of centromeric proteins is facilitated using anti-centromere antibodies present in the sera of patients with the CREST variant of scleroderma. We have employed these sera to determine whether or not those proteins are present in different mammalian species, as well as to study their tissue distribution. Here, we describe the immunofluorescent pattern and the proteins recognized by CREST sera in dividing and resting cells from mouse, rat, swine, hamster, rabbit, and man. In nuclear preparations from cultured cells, thymocytes and spermatozoa from these species, the antigens recognized by CREST sera are proteins of 18 to 20 kDa in all species tested, except in rat. Additionally, two peptides of 80 and 140 kDa were observed in human preparations. In contrast, a 50 kDa peptide is the primary protein detected by the sera in rat nuclei. | URI: | http://hdl.handle.net/10261/251766 | ISSN: | 0171-9335 |
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