Simultaneous detection of equine sperm subpopulations with different phenomes using a novel staining technique
241 / 116
Keywords:
Fluorescent microscopy, Mitochondria, Reactive oxygen species, Spermatozoa, Stallion, SubpopulationAbstract
Nowadays, there is an increased demand for liquid and frozen semen of stallion as the breeding registries have allowed artificial inseminations. Therefore, it is important to ensure the quality of stallion semen because it will be used for inseminating a large number of mares. Traditionally, various dyes were being used for assessing individual sperm functional parameters which is laborious, time consuming and require large quantity of samples. Recently, fluorescent dye-based sperm quality assessment techniques are replacing the conventional staining procedures and are proving to be more accurate, reliable and time efficient. In the current study, we developed fluorescent dye based triple staining methods for simultaneous detection of sperm vital parameters i.e viability, acrosome integrity, mitochondrial membrane potential and mitochondrial reactive oxygen species. Cryopreserved semen from 6 stallions were used for the current study. Through the standardized triple staining methods, we identified various sperm subpopulations (seven sub populations in FITC-PNA+MitoSox+Hoechst 33258 and four subpopulations in FITC- PNA+JC-1+Hoechst 33258), all of which cannot be assessed using single or dual staining techniques. We therefore conclude, that triple staining can be useful for simultaneous assessment of important sperm functional parameters of stallion spermatozoa in a cost and time effective manner.
Downloads
References
Baumber J, Ball B A, Linfor J J and Meyers S A. 2003. Reactive oxygen species and cryopreservation promote DNA fragmentation in equine spermatozoa. Journal of andrology 24(4): 621-28.
Boe-Hansen G B and Satake N. 2019. An update on boar semen assessments by flow cytometry and CASA. Theriogenology 137: 93-103.
Bucher K, Malama E, Siuda M, Janett F and Bollwein H. 2019. Multicolor flow cytometric analysis of cryopreserved bovine sperm: a tool for the evaluation of bull fertility. Journal of Dairy Science 102(12): 11652-69.
Celeghini E C C, Nascimento J, Raphael C F, Andrade A F C d and Arruda R P d. 2010. Simultaneous assessment of plasmatic, acrosomal, and mitochondrial membranes in ram sperm by fluorescent probes. Arquivo Brasileiro de Medicina Veterinária e Zootecnia 62: 536-43.
Chai R R, Chen G W, Shi H J, O W S, Martin‐DeLeon P A and Chen H. 2017. Prohibitin involvement in the generation of mitochondrial superoxide at complex I in human sperm. Journal of cellular and molecular medicine 21(1): 121-29.
Colenbrander B, Gadella B and Stout T. 2003. The predictive value of semen analysis in the evaluation of stallion fertility. Reproduction in Domestic Animals 38(4): 305-11.
Davila M P, Muñoz P M, Bolanos J, Stout T, Gadella B, Tapia J, Da Silva C B, Ferrusola C O and Peña F. 2016. Mitochondrial ATP is required for the maintenance of membrane integrity in stallion spermatozoa, whereas motility requires both glycolysis and oxidative phosphorylation. Reproduction 152(6): 683-94.
Del Prete C, Stout T, Montagnaro S, Pagnini U, Uccello M, Florio P, Ciani F, Tafuri S, Palumbo V and Pasolini M P. 2019. Combined addition of superoxide dismutase, catalase and glutathione peroxidase improves quality of cooled stored stallion semen. Animal Reproduction Science 210: 106195.
Delgado-Bermúdez A, Noto F, Bonilla-Correal S, Garcia-Bonavila E, Catalán J, Papas M, Bonet S, Miró J and Yeste M. 2019. Cryotolerance of stallion spermatozoa relies on aquaglyceroporins rather than orthodox aquaporins. Biology 8(4): 85.
Ezzati M, Shanehbandi D, Hamdi K, Rahbar S and Pashaiasl M. 2020. Influence of cryopreservation on structure and function of mammalian spermatozoa: An overview. Cell and Tissue Banking 21(1): 1-15.
Gallo A, Esposito M C, Tosti E and Boni R. 2021. Sperm motility, oxidative status, and mitochondrial activity: Exploring correlation in different species. Antioxidants 10(7): 1131.
Guthrie H and Welch G. 2012. Effects of reactive oxygen species on sperm function. Theriogenology 78(8): 1700-08.
Hernández‐Avilés C, Ramírez‐Agámez L and Makloski‐Cohorn C. 2021. Semen evaluation. Equine Hematology, Cytology, and Clinical Chemistry: 257-74.
Kanno C, Kang S-S, Kitade Y, Yanagawa Y, Takahashi Y and Nagano M. 2016. Simultaneous evaluation of plasma membrane integrity, acrosomal integrity, and mitochondrial membrane potential in bovine spermatozoa by flow cytometry. Zygote 24(4): 529-36.
Kumaresan A, Johannisson A, Al-Essawe E M and Morrell J M. 2017. Sperm viability, reactive oxygen species, and DNA fragmentation index combined can discriminate between above-and below-average fertility bulls. Journal of Dairy Science 100(7): 5824-36.
Medica A J, Aitken R J, Nicolson G L, Sheridan A R, Swegen A, De Iuliis G N and Gibb Z. 2021. Glycerophospholipids protect stallion spermatozoa from oxidative damage in vitro. Reproduction and Fertility 2(3): 199-209.
Nag P, Kumaresan A, Sivamanikandan A, Manimaran A, Rajendran D, Paul N, Sharma A, Karuthadurai T, Kaustubh S and Jeyakumar S. 2021. Sperm phenotypic characteristics and oviduct binding ability are altered in breeding bulls with high sperm DNA Fragmentation index. Theriogenology.
Nagy S, Jansen J, Topper E K and Gadella B M. 2003. A triple-stain flow cytometric method to assess plasma-and acrosome-membrane integrity of cryopreserved bovine sperm immediately after thawing in presence of egg-yolk particles. Biology of Reproduction 68(5): 1828-35.
Palacín I, Santolaria P, Alquezar-Baeta C, Soler C, Silvestre M A and Yániz J. 2020. Relationship of sperm plasma membrane and acrosomal integrities with sperm morphometry in Bos taurus. Asian journal of andrology 22(6): 578-82.
Paul N, Kumaresan A, Gupta M D, Nag P, Guvvala P R, Kuntareddi C, Sharma A, Selvaraju S and Datta T K. 2020. Transcriptomic profiling of buffalo spermatozoa reveals dysregulation of functionally relevant mRNAs in low-fertile bulls. Frontiers in Veterinary Science 7.
Peña F J, Muñoz P M and Ferrusola C O. 2016. Flow cytometry probes to evaluate stallion spermatozoa. Journal of Equine Veterinary Science 43: S23-28.
Peña F, Ball B and Squires E. 2018. A new method for evaluating stallion sperm viability and mitochondrial membrane potential in fixed semen samples. Cytometry Part B: Clinical Cytometry 94(2): 302-11.
Quintero-Moreno A, Miró J, Rigau A T and Rodrıguez-Gil J. 2003. Identification of sperm subpopulations with specific motility characteristics in stallion ejaculates. Theriogenology 59(9): 1973-90.
Ramón M, Jiménez‐Rabadán P, García‐Álvarez O, Maroto‐ Morales A, Soler A J, Fernández‐Santos M R, Pérez‐Guzmán M and Garde J J. 2014. Understanding sperm heterogeneity: biological and practical implications. Reproduction in Domestic Animals 49: 30-6.
Santos I, Nóbrega Jr J, Ilha G, Rovani M, De Cesaro M, Gasperin B and Gonçalves P. 2018. Technique to simultaneously evaluate ram sperm morphology, acrosome and membrane integrity. Animal Reproduction (AR) 12(4): 884-89.
Saraf K K, Singh R K, Kumaresan A, Nayak S, Chhillar S, Lathika S, Datta T K and Mohanty T K. 2019. Sperm functional attributes and oviduct explant binding capacity differs between bulls with different fertility ratings in the water buffalo (Bubalus bubalis). Reproduction, Fertility and Development 31(2): 395-403.
Singh R K, Kumaresan A, Chhillar S, Rajak S K, Tripathi U K, Nayak S, Datta T, Mohanty T and Malhotra R. 2016. Identification of suitable combinations of in vitro sperm- function test for the prediction of fertility in buffalo bull. Theriogenology 86(9): 2263-71. e1.
Suarez S S and Pacey A. 2006. Sperm transport in the female reproductive tract. Human reproduction update 12(1): 23-37.
Sutovsky P. 2015. New approaches to boar semen evaluation, processing and improvement. Reproduction in Domestic Animals 50: 11-9.
Torres M A, Diaz R, Boguen R, Martins S M M K, Ravagnani G M, Leal D F, Oliveira M d L, Muro B B D, Parra B M and Meirelles F V. 2016. Novel flow cytometry analyses of boar sperm viability: can the addition of whole sperm-rich fraction seminal plasma to frozen-thawed boar sperm affect it? PloS One 11(8): e0160988.
Ugur M R, Saber Abdelrahman A, Evans H C, Gilmore A A, Hitit M, Arifiantini R I, Purwantara B, Kaya A and Memili E. 2019. Advances in cryopreservation of bull sperm. Frontiers in Veterinary Science 6: 268.
Downloads
Submitted
Published
Issue
Section
License
Copyright (c) 2025 The Indian Journal of Animal Sciences

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
The copyright of the articles published in The Indian Journal of Animal Sciences is vested with the Indian Council of Agricultural Research, which reserves the right to enter into any agreement with any organization in India or abroad, for reprography, photocopying, storage and dissemination of information. The Council has no objection to using the material, provided the information is not being utilized for commercial purposes and wherever the information is being used, proper credit is given to ICAR.