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Comparison of the TBARS Assay and BODIPY C11 Probes for Assessing Lipid Peroxidation in Red Deer Spermatozoa

Comparison of the TBARS Assay and BODIPY C11 Probes for Assessing Lipid Peroxidation in Red Deer Spermatozoa

Á E Domínguez-Rebolledo, F Martínez-Pastor, M R Fernández-Santos, E del Olmo, A Bisbal, J L Ros-Santaella, J J Garde

Reprod Domest Anim. 2010 Dec;45(6):e360-8.

PMID: 20113445

Abstract:

Several methods are used to measure lipid peroxidation (LPO) in spermatozoa. The objective of this study was comparing the thiobarbituric acid reactive species (TBARS) method and the BODIPY 581/591 C(11) (B581) and BODIPY 665/676 C(11) (B665) fluorescent probes to measure induced peroxidative damage in thawed epididymal spermatozoa from Iberian red deer. Samples from three males were thawed, pooled, diluted in PBS, incubated at room temperature and assessed at 0, 3, 6 and 24 h under different experimental conditions: Control, hydrogen peroxide (H(2)O(2) ) 0.1 mM or 1 mM, or tert-butyl hydroperoxide (TBH) 0.1 mM or 1 mM. LPO was assessed by the TBARS assay [malondialdehyde (MDA) detection] and by the fluorescence probes B581 and B665 (microplate fluorimeter and flow cytometry). Increasing MDA levels were only detectable at 1 mM of TBH or H(2)O(2). Both fluorescence probes, measured with fluorometer, detected significant increases of LPO with time in all treatments, except Control. Flow cytometry allowed for higher sensitivity, with both probes showing a significant linear relationship of increasing LPO with time for all oxidizing treatments (p < 0.001). All methods showed a good agreement, except TBARS, and flow cytometry showed the highest repeatability. Our results show that both B581 and B665 might be used for LPO analysis in Iberian red deer epididymal spermatozoa, together with fluorometry or flow cytometry. Yet, the TBARS method offered comparatively limited sensitivity, and further research must determine the source of that limitation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP149759966	B581		149759-96-6	Price

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