Date: 05 Oct 2012

Immunofluorescence Staining of Spindles, Chromosomes, and Kinetochores in Human Oocytes

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Understanding how human oocytes execute chromosome segregation is of paramount importance as errors in this process account for the overwhelming majority of human aneuploidies and increase exponentially with advancing female age. The spindle is the cellular apparatus responsible for separating chromosomes at anaphase. For accurate chromosome segregation, spindle microtubules must establish appropriately configured attachments to chromosomes via kinetochores. With regard to understanding the mechanistic basis for human aneuploidies therefore, it will be important to explore the molecular underpinnings of spindle structure and the interaction of its microtubules with chromosomes in human oocytes. Here we describe a technique for simultaneously immunolabelling chromosomes, spindle microtubules and kinetochores in human oocytes.