DOI: 10.1369/jhc.4B6391.2005 Volume 53 (3): 269-272, 2005 Copyright ©The Histochemical Society, Inc.
Fluorescence In Situ Hybridization and Spectral Imaging Analysis of Human Oocytes and First Polar Bodies
E.O. Lawrence Berkeley National Laboratory (H-UGW,JFW,CDP,LWC), Berkeley, California; Department of Obstetrics, Gynecology, and Reproductive Sciences (JFW), University of California, San Francisco, California; Reprogenetics, LLC (MOR,SM), South San Francisco, California; Reprogenetics, LLC (XZ,PC,SM), West Orange, New Jersey; and Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital, Harvard Medical School (AN,CR), Boston, Massachusetts Correspondence to: Dr. Heinz-Ulli Weier, Life Sciences Division, MS 74-157, E.O. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720. E-mail: ulliweier{at}hotmail.com We investigated the frequencies of abnormalities involving either chromosome 1, 16, 18, or 21 in failed-fertilized human oocytes. Although abnormalities involving chromosome 16 showed an age-dependent increase, results for the other chromosomes did not show statistically significant differences among the three age groups, <35 years, 3539 years, and >39 years. The scoring of four chromosomes is likely to underestimate the true rate of aneuploid cells. Therefore, for a pilot study investigating a more-comprehensive analysis of oocytes and their corresponding first polar bodies, we developed a novel eight-probe chromosome enumeration scheme using fluorescence in situ hybridization and spectral imaging analysis. (J Histochem Cytochem 53:269272, 2005)
Key Words: aneuploidy oocytes polar bodies fertilization cytogenetics fluorescence in situ hybridization
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