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Louis S, Benedek K, Mowat M, et al. Elongated mouse chromosomes suitable for enhanced molecular cytogenetics. Cytotechnology. 2004;44(3):143-9doi: 10.1007/s10616-004-2978-2.
Louis, S., Benedek, K., Mowat, M., Klein, G., & Mai, S. (2004). Elongated mouse chromosomes suitable for enhanced molecular cytogenetics. Cytotechnology, 44(3), 143-9. https://doi.org/10.1007/s10616-004-2978-2
Louis, Sherif, et al. "Elongated mouse chromosomes suitable for enhanced molecular cytogenetics." Cytotechnology vol. 44,3 (2004): 143-9. doi: https://doi.org/10.1007/s10616-004-2978-2
Louis S, Benedek K, Mowat M, Klein G, Mai S. Elongated mouse chromosomes suitable for enhanced molecular cytogenetics. Cytotechnology. 2004 Mar;44(3):143-9. doi: 10.1007/s10616-004-2978-2. PMID: 19003236; PMCID: PMC3449485.
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Cytotechnology. 2004 Mar;44(3):143-9. doi: 10.1007/s10616-004-2978-2.

Elongated mouse chromosomes suitable for enhanced molecular cytogenetics.

Cytotechnology

Sherif Louis, Katalin Benedek, Michael Mowat, George Klein, Sabine Mai

Affiliations

  1. Manitoba Institute of Cell Biology, Cancer Care Manitoba, University of Manitoba, 675 McDermot Avenue, Winnipeg, MB, R3E 0V9, Canada.

PMID: 19003236 PMCID: PMC3449485 DOI: 10.1007/s10616-004-2978-2

Abstract

Characterization of genetic disorders in humans and animal models requires identification of chromosomal aberrations. However, identifying fine deletions or insertion in metaphase chromosomes has been always a challenge due to limitations of resolution. In this study we developed a rapid method for chromosome elongation using two different intercalating agents: ethidium bromide and 5-bromo-2'-deoxyuridine (BrdU), together with a short-term mitotic block using colcemid. About 70% of the chromosomes from cells that underwent this elongation procedure reached three times longer than those prepared from control cells. FISH experiments using elongated chromosomes revealed a duplicated region of chromosome 11 that was not visible in cells prepared with conventional methods.

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