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Corcini CD, Vilela J, Gatti N, Mion B, Castro N, Franca RT, Varela Junior AS. Optimizing semen cryopreservation in Calomys laucha: a step forward in rodent reproductive research. Cryo Letters 2024; 45:134-138. [PMID: 38557992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
BACKGROUND Examining semen cryopreservation in Calomys laucha offers valuable insights for reproductive research and species conservation. OBJECTIVE To determine the most effective sugar for the cryopreservation of C. laucha semen. MATERIALS AND METHODS Using 36 epididymides from C. laucha, semen samples were diluted in a 3% skimmed milk medium supplemented with one of four sugars (glucose, fructose, lactose, or sucrose) at a concentration of 0.3 M. These mixtures underwent a conditioning phase at 37 degree C for 10 min, cooled to -80 degree C for another 10 min, and were subsequently stored in liquid nitrogen. RESULTS Upon thawing, samples treated with lactose and glucose solutions show superior sperm motility, achieving 8.2% and 10.0% respectively, in contrast to the fructose (2.0%) and sucrose (4.1%) mixtures. Furthermore, samples preserved in glucose registered the highest sperm penetration rates, reaching 44.9%. CONCLUSION Our findings suggest that a cryopreservation medium containing 0.3 M glucose can contribute to the safeguarding C. laucha rodent semen. https://doi.org/10.54680/fr24210110612.
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Affiliation(s)
- C D Corcini
- Center for Research and Education in Animal Reproduction, Federal University of Pelotas, Faculdade de Veterinaria, Campus Universitario, S/N - CEP 96160-000, Capao do Leao, RS - Brasil.
| | - J Vilela
- Universite Catholique de Louvain, Universite Catholique de Louvain - Bruxelles, Pole de Recherche en Gynecologie - Bruxelles, Belgica
| | - N Gatti
- Center for Research and Education in Animal Reproduction, Federal University of Pelotas, Faculdade de Veterinaria, Campus Universitario, S/N - CEP 96160-000, Capao do Leao, RS - Brasil
| | - B Mion
- Center for Research and Education in Animal Reproduction, Federal University of Pelotas, Faculdade de Veterinaria, Campus Universitario, S/N - CEP 96160-000, Capao do Leao, RS - Brasil
| | - N Castro
- Center for Research and Education in Animal Reproduction, Federal University of Pelotas, Faculdade de Veterinaria, Campus Universitario, S/N - CEP 96160-000, Capao do Leao, RS - Brasil
| | - R T Franca
- Center for Research and Education in Animal Reproduction, Federal University of Pelotas, Faculdade de Veterinaria, Campus Universitario, S/N - CEP 96160-000, Capao do Leao, RS - Brasil
| | - A S Varela Junior
- Institute of Biological Sciences, Federal University of Rio Grande, Campus Carreiros: Av. Italia km 8 Bairro Carreiros- CEP 96203-900, Rio Grande, RS, Brazil
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Fracaro PL, Corcini CD, Souza Gatti NL, Filho JS, Acosta IB, Filho JS, Hartwig FP, Rosa Curcio BD, Varela Junior AS. Freezing of equine semen is influenced by exposure time and concentration of the cryoprotectant glycerol. Cryo Letters 2023; 44:234-239. [PMID: 37883141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
BACKGROUND Glycerol is a cryoprotectant widely used in the freezing of mammalian semen, but no study has demonstrated its optimum concentration and the appropriate exposure time for equine species. OBJECTIVE To demonstrate that the exposure time (15, 30, 45, 60, 75 and 90 min) versus concentration (2, 3, 4 and 5%) of the cryoprotectant glycerol influences the freezing success of equine semen. MATERIALS AND METHODS The ejaculate of 12 stallions were frozen in different glycerol concentrations following different exposure times. The thawed sperm was evaluated for kinetic parameters using a Computer Assisted Semen Analysis (CASA) system and cell feature parameters were assessed by flow cytometry. RESULTS Considering the total and progressive motility of the spermatozoa, we concluded that protocols using 5% glycerol for 15 and 30 min exposure, 4% glycerol for 45 min exposure and 3% glycerol for 90 min exposure generated the best results. CONCLUSION We suggest the use of any of these protocols for a better cryopreservation of equine semen. Doi: 10.54680/fr23410110412.
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Affiliation(s)
- P L Fracaro
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - C D Corcini
- Reproducao Animal Comparada- RAC, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande, Rio Grande; ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil.
| | - N L Souza Gatti
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - J S Filho
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - I B Acosta
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - J S Filho
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - F P Hartwig
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - B D Rosa Curcio
- Programa de pos graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - A S Varela Junior
- Reprodução Animal Comparada- RAC, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande; ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brasil
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Varela Junior AS, Jardim RD, Streit DP, Cardoso TF, Silva EF, Lucia T, Figuelredo MRC, Corcini CD. Trehalose in extenders for cryopreservation of Tambaqui (Colossoma macropomum) sperm. Cryo Letters 2022; 43:264-268. [PMID: 36626130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Sugars may act as either energy substrates or non-penetrating cryoprotectants. OBJECTIVE Inclusion of non-penetrating trehalose was tested in extenders for the cryopreservation of Tambaqui (Colossoma macropomum) sperm. MATERIALS AND METHODS Sperm was extended 1/9 (v/v) in Beltsville Thawing Solution (BTS) with 10% DMSO (control) or 50, 100, 150 and 200 mM trehalose without 10% DMSO. Post-thawed sperm quality was evaluated, including fertilization and hatching rates, sperm motility, motility period and viability, integrity of sperm membrane and DNA, and mitochondrial functionality. RESULTS Extenders with 100 - 150 mM trehalose achieved fertilization and hatching rates similar to those of the 10% DMSO-treated sperm samples. Trehalose at 100 and 150 mM provides better protection than 10% DMSO treatment for sperm motility, viability, DNA integrity and mitochondrial functionality. Fertilization and hatching rates were highly correlated (r = 0.95, P < 0.001). CONCLUSION The addition of 100 - 150 mM trehalose in extender can replace 10% DMSO for the cryopreservation of C. macropomum sperm. doi.org/10.54680/fr22510110312.
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Affiliation(s)
- A S Varela Junior
- RAC- Reproducao Animal Comparada, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - R D Jardim
- RAC- Reproducao Animal Comparada, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - D P Streit
- Aquam, Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - T F Cardoso
- RAC- Reproducao Animal Comparada, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - E F Silva
- RAC- Reproducao Animal Comparada, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - T Lucia
- Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande, Brasil
| | - M R C Figuelredo
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas
| | - C D Corcini
- Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande, Brasil.
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Gatti NLS, Corcini CD, Filho JS, Soares SL, Anciuti AN, Barbosa RM, Knabah NW, Tavares AT, Bongalhardo DC, Varela Junior AS. Dimethylacetamide in Rooster Semen Cryopreservation. Cryo Letters 2021; 42:39-43. [PMID: 33973991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND Sperm cryopreservation of cockerels is a major challenge, and so far there is no adequate information to enable commercial use of frozen semen. OBJECTIVE To test the toxicity of dimethylacetamide (DMA). MATERIALS AND METHODS DMA was added at 3%, 6%, 9% and 12% to the freezing diluent, and maintained for equilibration with the semen sample for 1 min, 3 min, 5 min, 7 min and 9 min prior to freezing. Thawed semen was evaluated for kinetic characteristics by computer-assisted semen analysis (CASA) and for structural and functional properties by flow cytometry (plasma membrane rupture, mitochondrial functionality and plasma membrane functionality). RESULTS AND CONCLUSION The addition of 6% DMA for 3-min equilibration resulted in the highest total and progressive motility, 42.0% and 36.9%, respectively. The point of intersection between a good protection and low plasma membrane rupture was obtained with the addition of 6% of DMA for 3-min equilibration with the rooster semen.
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Affiliation(s)
- N L S Gatti
- Pos-Graduacao em Veterinaria, Faculdade de Veterinaria, Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - C D Corcini
- Departamento de Patologia Animal, Laboratorio de Reproducao Animal, Faculdade de Veterinaria; Universidade Federal de Rio Grande, Rio Grande, Brasil.
| | - J S Filho
- Pos-Graduacao em Veterinaria, Faculdade de Veterinaria; Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - S L Soares
- Pos-Graduacao em Biotecnologia, Centro de desenvolvinto tecnologico CDTEC / Biotecnologia; Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - A N Anciuti
- Pos-Graduacao em Veterinaria, Faculdade de Veterinaria; Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - R M Barbosa
- Pos-Graduacao em Veterinaria, Faculdade de Veterinaria; Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - N W Knabah
- Pos-Graduacao em Veterinaria, Faculdade de Veterinaria; Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - A T Tavares
- Instituto de Biologia, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pelotas, Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - D C Bongalhardo
- Reproducao Animal Comparada, Instituto de Ciencia Biologicas, Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - A S Varela Junior
- Reproducao Animal Comparada, Instituto de Ciencia Biologicas, Universidade Federal de Rio Grande, Rio Grande, Brasil
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Caldas JS, Corcini CD, Silva EF, Silva JC, Cardoso TF, Acosta IB, Figueiredo MRC, Varela Junior AS. Liquid Storage of Geophagus brasiliensis semen in the Presence of Different Extenders. Cryo Letters 2020; 41:202-208. [PMID: 33988648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND In order to preserve the genetic diversity of cichlid fish in gene banks, it is necessary to use certain extenders to maintain the integrity of spermatozoa cells during cooling. OBJECTIVE To evaluate the effects of different extenders on the quality parameters of cooled semen of Geophagus brasiliensis. MATERIALS AND METHODS Semen samples were collected from seven adult fish and diluted with five extenders: Beltsville Thawing Solution (BTS™), Hanks' Balanced Salt Solution (HBSS), Tris-glucose, Ginsburg's Fish Ringers, and Phosphate buffered Saline. All parameters were evaluated in fresh semen samples and after cooling at 4°C at 0, 24, 48, and 96 h to evaluate cell viability (membrane integrity, DNA, and mitochondrial functionality) and motility rate and weather motility. RESULTS The BTS and Tris-glucose resulted in the best outcomes (P<0.05) in terms of membrane integrity assessments (35.1% and 30.9%, respectively), DNA integrity (71.6%; 75.7%), mitochondrial function (26.9%; 28.0%) and motility rate (8.6%; 8.6%), respectively, for semen cooled to 4°C for 96 h. However, the 48-h period motility after cooling in BTS was superior to all other treatments. CONCLUSION BTS and Tris-glucose can be considered as the best extenders for the cold storage of Geophagus brasiliensis spermatozoa.
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Affiliation(s)
- J S Caldas
- BAAC, Aquatic Environments Continental Biology, Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - C D Corcini
- ReproPel, Faculty of Veterinary Medicine, Campus Capão do Leão, Federal University of Pelotas, Pelotas, Brazil
| | - E F Silva
- RAC - Compared Animal Reproduction, Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - J C Silva
- RAC - Compared Animal Reproduction, Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - T F Cardoso
- RAC - Compared Animal Reproduction, Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - I B Acosta
- ReproPel, Faculty of Veterinary Medicine, Campus Capão do Leão, Federal University of Pelotas, Pelotas, Brazil
| | - M R C Figueiredo
- RAC - Compared Animal Reproduction, Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil
| | - A S Varela Junior
- Institute of Biological Sciences, Federal University of Rio Grande, Rio Grande, RS, Brazil.
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Pinto NB, Gaspar EB, Minho AP, Domingues R, de Moura MQ, Junior ASV, Capella GA, Dos Santos PA, da Costa CM, Leite FPL. Saccharomyces cerevisiae (YT001) supplementation for the control of Haemonchus contortus and modulation of the immune response of sheep. Benef Microbes 2020; 11:175-181. [PMID: 31990221 DOI: 10.3920/bm2019.0120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Studies aiming at the development and evaluation of alternative methods to minimise losses caused by the gastrointestinal nematode Haemonchus contortus are extremely important. Such research is essential, given the high morbidity rates among sheep and the significant mortality rates of lambs, allied to the low efficacy of commercial products for the control of this parasite. The purpose of this study was to evaluate the effect of the Saccharomyces cerevisiae (YT001 - YEASTECH) on the control of H. contortus and its modulation of the immune response in experimentally infected sheep. Eighteen sheep were divided into two groups. Group 1, the control group, comprised animals infected with H. contortus and supplemented with distilled water, while Group 2, the treated group, consisted of animals infected and supplemented with S. cerevisiae (400 million cfu/day of suspension for 49 days). The following parasitological parameters were evaluated: number of eggs per gram of faeces, number of infective larvae (L3) recovered per faecal culture, and parasitic load of the abomasum. The following immunological parameters were quantified: immunoglobulin (Ig)A in the mucous secretions and serum IgG; cytokines interleukin (IL)-4, IL-5 and IL-10; number of eosinophils in the abomasal mucosa and groups of cells positive for the markers: MHCII, CD4+CD25+, CD5+CD8+, WC4, CD5+CD4+, CD8+CD11b+ and CD5+WC1 by whole blood flow cytometry. The results revealed a significant decrease (P<0.05) in the number of larvae and significantly higher serum IgG levels (P<0.05) in the group supplemented with S. cerevisiae. The supplemented animals showed significantly larger numbers of eosinophils (P<0.05), as well as more cells positive for MHCII, CD4+CD25+, CD5+CD8+ than the control animals. This study confirmed the beneficial action of S. cerevisiae on the host immune response to H. contortus, as evidenced mainly by the smaller number of L3 recovered from the faeces of sheep supplemented with S. cerevisiae.
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Affiliation(s)
- N B Pinto
- Universidade Federal de Pelotas (UFPel), Campus Universitário, S/N, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
| | - E B Gaspar
- Empresa Brasileira de Pesquisa Agropecuária, Embrapa Pecuária Sul, Sanidade Animal, Bage, RS, Brazil
| | - A P Minho
- Empresa Brasileira de Pesquisa Agropecuária, Embrapa Pecuária Sul, Sanidade Animal, Bage, RS, Brazil
| | - R Domingues
- Empresa Brasileira de Pesquisa Agropecuária, Embrapa Pecuária Sul, Sanidade Animal, Bage, RS, Brazil
| | - M Q de Moura
- Universidade Federal de Pelotas (UFPel), Campus Universitário, S/N, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
| | | | - G A Capella
- Universidade Federal de Pelotas (UFPel), Campus Universitário, S/N, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
| | - P A Dos Santos
- Empresa Brasileira de Pesquisa Agropecuária, Embrapa Pecuária Sul, Sanidade Animal, Bage, RS, Brazil
| | - C M da Costa
- Universidade Federal de Pelotas (UFPel), Campus Universitário, S/N, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
| | - F P Leivas Leite
- Universidade Federal de Pelotas (UFPel), Campus Universitário, S/N, Caixa Postal 354, CEP 96010-900, Pelotas, RS, Brazil
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Perry CT, Corcini CD, Acosta IB, Gheller SMM, Brito CRC, Garcia JRE, Muelbert JRE, Varela Junior AS. Exogenous ATP in the Cryopreservation of Brycon orbignyanus Spermatozoa. Cryo Letters 2020; 41:13-18. [PMID: 33973979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND ATP exogenous (ATPe) has been used successfully in improving motility and fertility for many animal species. However this has not yet been tested on Brycon orbignyamus. OBJECTIVE The objective of this study was to evaluate the use of ATPe for the cryopreservation of sperm from B. orbignyamus. MATERIALS AND METHODS The ATPe concentrations tested were 1.0 µM, 5.0 µM and 10 µM combined with Beltsville Thawing SolutionTM extender and dimethylformamide at 7.5%. The sperm were frozen in a nitrogen vapour vessel and stored in liquid nitrogen at -196 ºC. The parameters of viability post-thawing were evaluated using CASA, and flow cytometer. RESULTS The ATPe did not promote improvements in spermatic kinetics, and in the higher concentrations caused a worsening in these parameters. Also there was loss of mitochondrial functionality and greater cellular disruption with the concentration of 10 μM. CONCLUSION We do not recommend the addition of ATP for cryopreserving B. orbignyamus.
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Affiliation(s)
- C T Perry
- Federal University of Rio Grande, Biology of Continental Aquatic Environments. Rio Grande, Brazil
| | - C D Corcini
- Federal University of Pelotas, Veterinary Medicine. Capao do Leao, Brazil
| | - I B Acosta
- Federal University of Pelotas, Veterinary Medicine. Capao do Leao, Brazil
| | - S M M Gheller
- Federal University of Pelotas, Veterinary Medicine. Capao do Leao, Brazil
| | - C R C Brito
- Federal University of Pelotas, Veterinary Medicine. Capao do Leao, Brazil
| | - J R E Garcia
- University of Southern Santa Catarina, Palhoça, Brazil
| | | | - A S Varela Junior
- Federal University of Rio Grande, Biology of Continental Aquatic Environments. Rio Grande; Federal University of Pelotas, Veterinary Medicine. Capao do Leao, Brazil.
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Acosta IB, Corcini CD, Gheller SMM, Brito CR, Goulart TLS, Varela Junior AS. Effect of Amide on Semen Cryopreservation of Curimba (Prochilodus lineatus). Cryo Letters 2020; 41:1-5. [PMID: 33973977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND The low molecular weight and high cellular permeability of amides make them suitable for use as penetrative cryoprotectants for sperm cells. OBJECTIVE This study aims to evaluate the effect of dimethylformamide (DMF) and dimethylacetamide (DMA) on sperm cryopreservation of Curimba (Prochilodus lineatus). MATERIALS AND METHODS Semen samples were diluted in media containing cryoprotectants [DMF, DMA and dimethyl sulfoxide (DMSO)]. Parameters of motility, membrane integrity, DNA integrity, mitochondrial functionality, viability and fertility were assessed upon thawing. RESULTS As compared to the 10% DMSO, DMA at 5% and DMF at 2% obtained the best results for the integrity of membrane, DNA and mitochondria; the motility parameters were best in the 2% and 5% DMF treatments. The best fertilization rates were demonstrated in 2%, 5%, and 8% DMF treatment groups. CONCLUSION DMF at 2%, 5%, and 8% provided the best results for both in vitro and in vivo assessments, and can efficiently cryopreserve semen of Prochilodus lineatus.
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Affiliation(s)
- I B Acosta
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil
| | - C D Corcini
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil.
| | - S M M Gheller
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil
| | - C R Brito
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil
| | - T L S Goulart
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil
| | - A S Varela Junior
- Nucleus of Teaching and Research in Animal Reproduction, Federal University of Pelotas, Pelotas, Brazil
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Silveira CR, Varela Junior AS, Corcini CD, Soares SL, Anciuti AN, Kütter MT, Martínez PE. Effects of Bisphenol A on redox balance in red blood and sperm cells and spermatic quality in zebrafish Danio rerio. Ecotoxicology 2019; 28:913-922. [PMID: 31396792 DOI: 10.1007/s10646-019-02091-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/21/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol-A (BPA) is a potential endocrine disruptor besides being associated with oxidative damage in several vertebrate classes. In the present study we investigated oxidative effects in erythrocytes and sperm cells as well as spermatic quality in Danio rerio exposed to 14 days at BPA concentrations of 2, 10 and 100 μg/L. Organelles structure, reactive species of oxygen (ROS) and lipoperoxidation (LPO) on erythrocytes and sperm cells were measured by flow cytometry and spermatic parameters were analyzed by the computer-assisted sperm analysis (CASA) system. For both cell types, when compared with control BPA treatment induced a significant increase in ROS and LPO production causing the membrane fluidity disorder, loss of membrane integrity and mitochondrial functionality. Furthermore, it was found a significant increase in DNA fragmentation in erythrocytes of zebrafish BPA exposed. Regarding the spermatic quality, results showed lower sperm motility in animals exposed to BPA, and alterations on velocity parameters of spermatozoa. Thus, the present study concludes that BPA affects the oxidative balance of both cell types, and that can directly affects the reproductive success of the adult Danio rerio. The sensitivity of erythrocytes to oxidative damage induced by BPA was similar to sperm cells, indicating a potential use of blood cells as indicators of oxidative damage present in fish sperm.
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Affiliation(s)
- C R Silveira
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - A S Varela Junior
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - C D Corcini
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - S L Soares
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - A N Anciuti
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - M T Kütter
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - P E Martínez
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil.
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Gastal GDA, Silva EF, Mion B, Varela Junior AS, Rosa CE, Corcini CD, Mondadori RG, Vieira AD, Bianchi I, Lucia T. Antioxidant Effect of Xanthan Gum on Ram Sperm after Freezing and Thawing. Cryo Letters 2017; 38:187-193. [PMID: 28767741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND Xanthan gum is used as thickener in media to preserve food products, having cryoprotectant and antioxidant properties that may be relevant for sperm cryopreservation. OBJECTIVE To evaluate the effects of adding xanthan gum to freezing extenders on post-thawing quality and oxidant activity of ram sperm. METHODS Ejaculates from seven rams extended TRIS-egg yolk-glycerol were split in three treatments including xanthan gum (0.15%; 0.20%; and 0.25%) and a control with no xanthan gum. RESULTS After thawing, motility and production of reactive oxygen species (ROS) with 0.20% and 0.25% xanthan gum were lower than for the control (P < 0.05), but mitochondrial functionality and integrity of membrane, acrosome and DNA did not differ (P > 0.05). Xanthan gum at 0.20% and 0.25% may be an efficient antioxidant for frozen-thawed ram sperm, due to the reduction in ROS production.
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Affiliation(s)
- G DA Gastal
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - E F Silva
- ReproPel, Centro de Biotecnologia, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - B Mion
- ReproPel,Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - A S Varela Junior
- ReproPel, Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande, Rio Grande-RS, Brazil
| | - C E Rosa
- Instituto de Ciencias Biologicas, Universidade Federal do Rio Grande, Rio Grande-RS, Brazil
| | - C D Corcini
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - R G Mondadori
- ReproPel, Instituto de Biologia, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - A D Vieira
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - I Bianchi
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - T Lucia
- ReproPel, Faculdade de Veterinaria, Universidade Federal de Pelotas, Pelotas-RS, Brazil.
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Corcini CD, Goularte KL, Bongalhardo DC, Lucia T, Jardim RD, Varela Junior AS. Effect of egg yolk plasma on dog sperm cryopreservation. Andrologia 2015; 48:114-5. [PMID: 25735406 DOI: 10.1111/and.12411] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2015] [Indexed: 11/27/2022] Open
Abstract
This study evaluated the quality of frozen-thawed dog spermatozoon after the inclusion of egg yolk plasma (EYP) instead of whole egg yolk (EY) in the cryopreservation extender and after distinct periods of exposure to EYP. Seven mongrel dogs were used as sperm donors, and EYP was obtained by centrifugation. In Experiment 1, post-thawing sperm motility (MOT) and integrity of membrane (INT) and acrosome (ACR) were superior for spermatozoon extended with 20% EYP T2 than with 20% EY (P < 0.05), although normal sperm morphology (MOR) did not differ (P > 0.05). In Experiment 2, after ejaculates extended with 20% EYP were cooled at 5°C for 2, 6 and 10 h before freezing, MOT, INT and ACR were similar among periods (P > 0.05). Thus, dog spermatozoon extended with 20% EYP can be kept cooled for up to 10 h prior to freezing, achieving post-thawing quality greater than that obtained with the inclusion of EY in freezing extenders.
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Affiliation(s)
- C D Corcini
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Brazil
| | - K L Goularte
- Instituto de Ciências Biologicas - Reproducao Animal Comparada-Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - D C Bongalhardo
- Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, Brazil
| | - T Lucia
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Brazil
| | - R D Jardim
- Instituto de Ciências Biologicas - Reproducao Animal Comparada-Universidade Federal de Rio Grande, Rio Grande, Brasil
| | - A S Varela Junior
- Instituto de Ciências Biologicas - Reproducao Animal Comparada-Universidade Federal de Rio Grande, Rio Grande, Brasil
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