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Research from University of Hawaii, Institute for Biogenesis Research broadens understanding of DNA research
2007 NOV 5 -- A new study, 'Ejaculated and epididymal mouse spermatozoa are different in their susceptibility to nuclease-dependent DNA damage and in their nuclease activity,' is now available. "Ejaculated mouse sperm retrieved from the uteri are more susceptible to DNA damage during freeze-drying and freezing without cryoprotection than epididymal sperm. This prompted us to speculate that a factor present in the uterus after mating, either male or female derived, was responsible for increased susceptibility of ejaculated sperm to DNA damage during preservation and that the differences between epididymal and ejaculated mouse sperm in response to stress originated from varying...
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