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Laboratory Evaluation of Sperm Chromatin: TUNEL Assay

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Abstract

Routine semen analysis is unable to assess alterations in sperm chromatin organization such as DNA damage. Because fertility is based not only on the absolute number of spermatozoa but also on their functional capability, methods for exploring sperm DNA stability and integrity are being used to evaluate fertility disorders. A large number of direct and indirect tests that measure sperm DNA damage have been developed. This chapter focuses on one of those tests – the terminal deoxytransferase mediated deoxyuridine triphosphate (dUTP) nick end-labeling or TUNEL assay – which is increasingly being used in many laboratories.

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Correspondence to Rakesh Sharma PhD .

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Sharma, R., Agarwal, A. (2011). Laboratory Evaluation of Sperm Chromatin: TUNEL Assay. In: Zini, A., Agarwal, A. (eds) Sperm Chromatin. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6857-9_14

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  • DOI: https://doi.org/10.1007/978-1-4419-6857-9_14

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