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Brair VL, Correia LFL, Barbosa NO, Braga RF, Taira AR, da Silva AA, Brandão FZ, Ungerfeld R, Souza-Fabjan JMG. The association of resveratrol and AFPI did not enhance the cryoresistance of ram sperm. Anim Reprod 2024; 21:e20230159. [PMID: 38384723 PMCID: PMC10878549 DOI: 10.1590/1984-3143-ar2023-0159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/15/2024] [Indexed: 02/23/2024] Open
Abstract
Cryoprotectants are required to reduce damage caused to the cells due to low temperatures during the cryopreservation. Antifreeze proteins (AFP) have a well-known role in cell membrane protection, while resveratrol is a potent antioxidant. This study assessed the effect of the association of resveratrol concentrations and AFP I in a ram semen extender. Pooled semen of four rams was allocated into six treatments in a factorial arrangement: (CONT, only the semen extender); only AFP I (ANT: 0.1 µg/mL of AFP I), only resveratrol, one treatment with two levels (10 µM/mL or 50 µM/mL of resveratrol); and two treatments with the interactions, with one AFP I and one of the two levels of resveratrol (0.1 µg/mL of AFP I with 10 µM/mL resveratrol; 0.1 µg/mL of AFP I with 50 µM/mL resveratrol). No interaction between factors was observed on sperm kinetics, plasma membrane integrity, hypo-osmotic test, and mitochondrial activity parameters. There was a high probability (P = 0.06) of reducing sperm cells with functional membrane percentage in the hypo-osmotic test and increasing the percentage of sperm with high mitochondrial activity (P = 0.07) was observed in AFP presence. An interaction of AFP and resveratrol was observed in non-capacitated sperm (P = 0.009), acrosomal reaction (P = 0.034), and sperm binding (P = 0.04). In conclusion, the association of resveratrol and AFP did not improve the quality of frozen-thawed semen and even promoted deleterious effects compared to their single addition in the semen extender. The supplementation of 50 µM/mL of resveratrol improved the outcomes of frozen-thawed ram sperm, being a potential cryoprotectant.
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Affiliation(s)
- Viviane Lopes Brair
- Faculdade de Veterinária, Universidade Federal Fluminense, Niterói, RJ, Brasil
| | | | | | | | | | - Andreza Amaral da Silva
- Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brasil
| | | | - Rodolfo Ungerfeld
- Departamento de Biociencias Veterinarias, Facultad de Veterinaria, Universidad de la República, Montevideo, Uruguay
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Assessment of Levonorgestrel Leaching in a Landfill and Its Effects on Placental Cell Lines and Sperm Cells. WATER 2022. [DOI: 10.3390/w14060871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The Buenavista landfill is located east of the city of Medellín, but it has a slope steeper than 30% and is less than 600 m away from the Piedras River, possibly influencing the quality of the drinking water in the city. Many complex residues are disposed of in this landfill, including pharmaceuticals and personal care products (PPCPs) such as levonorgestrel (LNG), which may reach water bodies via runoff and leaching. We assessed the levels of LNG in the effluent of an upflow anaerobic sludge blanket (UASB) reactor from the Buenavista landfill by uHPLC–DAD, as well as the endocrine disruptor effect of LNG on placental cell lines (BeWo) and human sperm cells. Additionally, the potential leaching of LNG was assayed under laboratory conditions using soil layers that were sampled from the Buenavista landfill. LNG was detected at levels of 315 μg·L−1 in the effluents of the UASB reactor. Thus, the UASB reactor is not an efficient treatment method for the removal of recalcitrant pollutants. Additionally, we found that a layer of soil used as a cover material may adsorb more than 90% of LNG pollutants, but small amounts may still be leached, which means that a cover material is not a strong enough barrier to fully prevent the leaching of LNG. Finally, our results show that the leachate fraction decreased the levels of β-human chorionic gonadotropin, but not sperm motility or viability. Thus, leached LNG could trigger reproduction disorders, but further studies should be carried out to investigate its potential effects in more detail.
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Mesbah M, Forouzanfar M, Eghbalsaied S. Supplementation of Estradiol Into Semen Extender Improved Goat Sperm Cryopreservation. Biopreserv Biobank 2021; 20:59-66. [PMID: 34756107 DOI: 10.1089/bio.2020.0169] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Estradiol is a steroid hormone excreted from the female gonads, mainly during the pre-estrus. However, the potential effects of estradiol are yet to be explored on sperm parameters through cryopreservation. In this study, we supplemented estradiol, 3 and 5 μM, in the goat semen extender and assessed the sperm parameters after a freeze-thawing process. Sperm motility was assessed using the computer-assisted sperm analysis system. Sperm viability and membrane integrity improved using both 3 and 5 μM concentrations of estradiol. The highest rate of progressive motility was observed in the 3 μM estradiol group. However, a higher concentration of estradiol (5 μM) reduced the progressive motility. Then, we were interested to see if the supportive effect of estradiol on sperm motility is mediated through the intracellular concentration of calcium ionophore. We supplemented the semen extender with 1 and 10 mM ethylenediaminetetraacetic acid (EDTA) and showed that 1 mM has no adverse effect on progressive sperm motility. Then, estradiol (3 μM) was supplemented with or without EDTA (1 mM) into the semen extender. Individual EDTA treatment improved the progressive sperm motility compared to the control group. However, in the presence of estradiol, EDTA treatment reduced the progressive motility compared to the individual estradiol group. This indicated a considerable interaction between estradiol and EDTA for progressive sperm motility. Indeed, EDTA reduced the supportive effects of estradiol on sperm cryopreservation parameters. These results indicated that induction of higher progressive sperm motility in response to estradiol is a calcium-dependent process, as the EDTA did completely abrogate the estradiol-mediated effect.
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Affiliation(s)
- Mohsen Mesbah
- Department of Biology, Fars Science and Research Branch, Islamic Azad University, Fars, Iran.,Department of Biology, Shiraz Branch, Islamic Azad University, Shiraz, Iran
| | - Mohsen Forouzanfar
- Department of Biology, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
| | - Shahin Eghbalsaied
- Department of Animal Science, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
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Souza CVD, Brandão FZ, Santos JDR, Alfradique VAP, Santos VMBD, Morais MCDC, Rangel PSC, Silva AAD, Souza-Fabjan JMG. Effect of different concentrations of l-carnitine in extender for semen cryopreservation in sheep. Cryobiology 2019; 89:104-108. [PMID: 31121151 DOI: 10.1016/j.cryobiol.2019.05.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 05/09/2019] [Accepted: 05/20/2019] [Indexed: 10/26/2022]
Abstract
This study assessed the effect of l-carnitine (LC) in sheep semen extenders containing or not egg yolk for cryopreservation in sheep. Two extenders (TRIS-egg yolk or the commercial optiXcell™ IMV medium) were used, totaling six groups: IMV - (0, 5 and 10 mM LC) and TRIS - (0, 5 and 10 mM LC). After the freezing-thawing process and throughout incubation at 38 °C for up to 3 h, several parameters were evaluated: sperm kinetics, hypoosmotic, plasma membrane integrity, capacitation status and lipid peroxidation level. The supplementation of either 5 or 10 mM LC randomly affected some parameters and, overall, TRIS was superior (P < 0.05) than IMV extender. In the LC-groups, IMV had greater (P < 0.05) oxidative stress than TRIS. In conclusion, although LC affected isolated parameters, its supplementation in semen extender had no consistently beneficial effect on freezing-thawing ram sperm.
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Affiliation(s)
- Clara Vieira de Souza
- Faculdade de Medicina Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Niterói, RJ, 24320-340, Brazil
| | - Felipe Zandonadi Brandão
- Faculdade de Medicina Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Niterói, RJ, 24320-340, Brazil
| | - Juliana Dantas Rodrigues Santos
- Faculdade de Medicina Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Niterói, RJ, 24320-340, Brazil
| | | | | | - Maria Clara da Cruz Morais
- Faculdade de Medicina Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Niterói, RJ, 24320-340, Brazil
| | - Paulo Sergio Cerqueira Rangel
- Faculdade de Medicina Veterinária, Universidade do Grande Rio, Rua Professor José de Souza Herdy, 1160, Duque de Caxias, RJ, 25071-202, Brazil
| | - Andreza Amaral da Silva
- Faculdade de Medicina Veterinária, Universidade Federal Rural do Rio de Janeiro, Rodovia BR 465, Km 07, Seropédica, RJ, 23890-000, Brazil
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