Article
Men with oligoasthenoteratozoospermia harbour higher numbers of multiple mitochondrial DNA deletions in their spermatozoa, but individual deletions are not indicative of overall aetiology
1 Jan 2001
Abstract excerpt
It is believed that one cause of sperm dysfunction might arise through multiple mitochondrial DNA deletions (Delta mtDNA) resulting in the formation of an incomplete electron transport chain. This study investigates the incidence of multiple Delta mtDNA in human spermatozoa prepared on Percoll gradients. Firstly, we investigated for the presence of two frequently analysed Delta mtDNA, the 4977 and 7.4 kb...
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