On methods for the detection of reactive oxygen species generation by human spermatozoa

analysis of the cellular responses to catechol oestrogen, lipid aldehyde, menadione and arachidonic acid.

R. J. Aitken, T. B. Smith, T. Lord, L. Kuczera, A. J. Koppers, N. Naumovski, H. Connaughton, M. A. Baker, G. N. De Iuliis

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Oxidative stress is known to have a major impact on human sperm function and, as a result, there is a need to develop sensitive methods for measuring reactive oxygen species (ROS) generation by these cells. A variety of techniques have been developed for this purpose including chemiluminescence (luminol and lucigenin), flow cytometry (MitoSOX Red, dihydroethidium, 4,5-diaminofluorescein diacetate and 2',7'-dichlorodihydrofluorescein diacetate) and spectrophotometry (nitroblue tetrazolium). The relative sensitivity of these assays and their comparative ability to detect ROS generated in different subcellular compartments of human spermatozoa, have not previously been investigated. To address this issue, we have compared the performance of these assays when ROS generation was triggered with a variety of reagents including 2-hydroxyestradiol, menadione, 4-hydroxynonenal and arachidonic acid. The results revealed that menadione predominantly induced release of ROS into the extracellular space where these metabolites could be readily detected by luminol-peroxidase and, to a lesser extent, 2',7'-dichlorodihydrofluorescein. However, such sensitivity to extracellular ROS meant that these assays were particularly vulnerable to interference by leucocytes. The remaining reagents predominantly elicited ROS generation by the sperm mitochondria and could be optimally detected by MitoSOX Red and DHE. Examination of spontaneous ROS generation by defective human spermatozoa revealed that MitoSOX Red was the most effective indicator of oxidative stress, thereby emphasizing the general importance of mitochondrial dysregulation in the aetiology of defective sperm function.

Original languageEnglish
Pages (from-to)192-205
Number of pages14
JournalAndrology
Volume1
Issue number2
DOIs
Publication statusPublished - Mar 2013
Externally publishedYes

Fingerprint

Catechol Estrogens
Vitamin K 3
Arachidonic Acid
Aldehydes
Spermatozoa
Reactive Oxygen Species
Lipids
Luminol
Oxidative Stress
Nitroblue Tetrazolium
Spectrophotometry
Extracellular Space
Luminescence
Peroxidase
Flow Cytometry
Mitochondria
Leukocytes

Cite this

Aitken, R. J. ; Smith, T. B. ; Lord, T. ; Kuczera, L. ; Koppers, A. J. ; Naumovski, N. ; Connaughton, H. ; Baker, M. A. ; De Iuliis, G. N. / On methods for the detection of reactive oxygen species generation by human spermatozoa : analysis of the cellular responses to catechol oestrogen, lipid aldehyde, menadione and arachidonic acid. In: Andrology. 2013 ; Vol. 1, No. 2. pp. 192-205.
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abstract = "Oxidative stress is known to have a major impact on human sperm function and, as a result, there is a need to develop sensitive methods for measuring reactive oxygen species (ROS) generation by these cells. A variety of techniques have been developed for this purpose including chemiluminescence (luminol and lucigenin), flow cytometry (MitoSOX Red, dihydroethidium, 4,5-diaminofluorescein diacetate and 2',7'-dichlorodihydrofluorescein diacetate) and spectrophotometry (nitroblue tetrazolium). The relative sensitivity of these assays and their comparative ability to detect ROS generated in different subcellular compartments of human spermatozoa, have not previously been investigated. To address this issue, we have compared the performance of these assays when ROS generation was triggered with a variety of reagents including 2-hydroxyestradiol, menadione, 4-hydroxynonenal and arachidonic acid. The results revealed that menadione predominantly induced release of ROS into the extracellular space where these metabolites could be readily detected by luminol-peroxidase and, to a lesser extent, 2',7'-dichlorodihydrofluorescein. However, such sensitivity to extracellular ROS meant that these assays were particularly vulnerable to interference by leucocytes. The remaining reagents predominantly elicited ROS generation by the sperm mitochondria and could be optimally detected by MitoSOX Red and DHE. Examination of spontaneous ROS generation by defective human spermatozoa revealed that MitoSOX Red was the most effective indicator of oxidative stress, thereby emphasizing the general importance of mitochondrial dysregulation in the aetiology of defective sperm function.",
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On methods for the detection of reactive oxygen species generation by human spermatozoa : analysis of the cellular responses to catechol oestrogen, lipid aldehyde, menadione and arachidonic acid. / Aitken, R. J.; Smith, T. B.; Lord, T.; Kuczera, L.; Koppers, A. J.; Naumovski, N.; Connaughton, H.; Baker, M. A.; De Iuliis, G. N.

In: Andrology, Vol. 1, No. 2, 03.2013, p. 192-205.

Research output: Contribution to journalArticle

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AU - Smith, T. B.

AU - Lord, T.

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AU - Koppers, A. J.

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AU - De Iuliis, G. N.

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