1
|
Monaco D, Rota A, Carbonari A, Lillo E, Lacalandra GM, Rizzo A. Collection of epididymal semen in the tomcat (Felix catus) by stereomicroscope-aided retrograde flushing (SARF) improves sample quality. Anim Reprod Sci 2024; 261:107388. [PMID: 38113674 DOI: 10.1016/j.anireprosci.2023.107388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 11/26/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023]
Abstract
In small and laboratory animals epididymal spermatozoa can be collected only by the mincing technique however, blood and cell debris contamination may adversely affect the quality of the samples. This study aimed at performing the retrograde flushing technique, for the first time, in the tomcat. In the first experiment attempts to insert a blunted needle into tomcats' ductus deferentes were made and the cannulation time and the success rate were recorded. In the second experiment, insertion of the needle into the ductus was carried out under a stereomicroscope for one testis, while the other was submitted to mincing for sperm recovery and the samples obtained from paired testes were compared. In the first study, only twenty-eight percent of the cannulation attempts were successful whereas in the second experiment, 91% of the deferentes were successfully cannulated: 80% of the ducts were cannulated in less than three minutes. The stereomicroscope-aided retrograde flushing samples showed significantly higher sperm viability, motility and velocities, as compared to those resulted from mincing. The domestic cat serves as a model for more than 36 species of wild felids; the developed stereomicroscope-aided retrograde flushing technique has the potential to become the gold standard method for harvesting spermatozoa of endangered species that have a small ductus deferens.
Collapse
Affiliation(s)
- Davide Monaco
- Department of Veterinary Medicine, University of Bari Aldo Moro; road to Casamassima Km 3, 70010 Valenzano (BA), Italy.
| | - Alessandra Rota
- Department of Veterinary Sciences, University of Pisa; via livornese lato monte, 56122 San Piero a Grado (PI), Italy
| | - Alice Carbonari
- Department of Veterinary Medicine, University of Bari Aldo Moro; road to Casamassima Km 3, 70010 Valenzano (BA), Italy
| | - Edoardo Lillo
- Department of Veterinary Medicine, University of Bari Aldo Moro; road to Casamassima Km 3, 70010 Valenzano (BA), Italy
| | - Giovanni Michele Lacalandra
- Department of Veterinary Medicine, University of Bari Aldo Moro; road to Casamassima Km 3, 70010 Valenzano (BA), Italy
| | - Annalisa Rizzo
- Department of Veterinary Medicine, University of Bari Aldo Moro; road to Casamassima Km 3, 70010 Valenzano (BA), Italy
| |
Collapse
|
2
|
Martins MIM, Silva VW, Hidalgo MMT, Fontbonne A. Insights into alternative cryoprotectants to freeze sperm of domestic cats. Reprod Domest Anim 2024; 59:e14524. [PMID: 38268208 DOI: 10.1111/rda.14524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 12/03/2023] [Accepted: 12/24/2023] [Indexed: 01/26/2024]
Abstract
Globalization and habitat destruction pose a significant threat to wildlife felids. Even though conservation banks for genetic materials have been created, the sperm cryopreservation with minimal cell damage is still a great challenge. Thus, this study aimed to compare the effects of two commercial extenders with different concentrations of alternative cryoprotectants on thawed sperm quality of domestic cats. Five adult cats were anaesthetized (using a combination of 40 μg/kg medetomidine associated to 5 mg/kg ketamine), and the semen was collected by electroejaculation (electrical stimulation of 2-3 V). Semen samples were evaluated for sperm characteristics (kinetics, morphology, membrane integrity and morphometry). Subsequently, they were sorted into two aliquots and centrifuged. The aliquots were added to a commercial extender containing 3% glycerol and 2% methylformamide (extender I) or 2% glycerol and 3% methylformamide (extender II), frozen, thawed (37°C/30 s) and reevaluated. Comparatively, the sperm kinetics and membrane integrity of fresh semen were higher (p < .002) than frozen samples in extender I and II. Total and progressive motility were lowest in the thawed samples. However, the subjective analysis indicated high sperm motility, since the kinetics evaluation was impaired by the low cell number in the thawed samples. There were no differences in sperm morphology between the groups. In the sperm morphometric analysis, a significant difference (p = .04) was identified in the length of the intermediate piece in extender II samples compared with fresh and extender I. Thus, it can be concluded that although the concentrations tested did not maintain the kinetic parameters and membrane integrity of spermatozoa after thawing, the extender with a lower concentration of glycerol was less toxic for maintaining the midpiece length.
Collapse
|
3
|
Lin HLH, Mermillod P, Grasseau I, Brillard JP, Gérard N, Reynaud K, Chen LR, Blesbois E, Carvalho AV. Is glycerol a good cryoprotectant for sperm cells? New exploration of its toxicity using avian model. Anim Reprod Sci 2023; 258:107330. [PMID: 37734123 DOI: 10.1016/j.anireprosci.2023.107330] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/01/2023] [Accepted: 09/09/2023] [Indexed: 09/23/2023]
Abstract
Glycerol is a cryoprotectant used widely for the cryopreservation of animal sperm, but it is linked to a decrease in fertility. The mechanism underlying the negative effects of glycerol remains unclear. Therefore, in this study, we aimed to gain a better understanding by using the chicken model. First, we investigated the impact of increasing the concentration of glycerol during insemination on hen fertility. Our findings revealed that 2% glycerol resulted in partial infertility, while 6% glycerol led to complete infertility. Subsequently, we examined the ability of sperm to colonize sperm storage tubules (SST) during in vivo insemination and in vitro incubation. The sperm used in the experiment were stained with Hoechst and contained 0, 2, or 6% glycerol. Furthermore, we conducted perivitelline membrane lysis tests and investigated sperm motility, mitochondrial function, ATP concentration, membrane integrity, and apoptosis after 60 min of incubation with different glycerol concentrations (0%, 1%, 2%, 6%, and 11%) at two temperatures to simulate pre-freezing (4 °C) and post-insemination (41 °C) conditions. Whereas 2% glycerol significantly reduced 50% of sperm containing SST, 6% glycerol completely inhibited SST colonization in vivo. On the other hand, in vitro incubation of sperm with SST revealed no effect of 2% glycerol, and 6% glycerol showed only a 17% reduction in sperm-filled SST. Moreover, glycerol reduced sperm-egg penetration rates and also affected sperm motility, bioenergetic metabolism, and cell death at 4 °C. These effects were observed when the concentration of glycerol exceeded 6%. Furthermore, at 41 °C, glycerol caused even greater damage, particularly in terms of reducing sperm motility. These data altogether reveal important effects of glycerol on sperm biology, sperm migration, SST colonization, and oocyte penetration. This suggests that glycerol plays a role in reducing fertility and presents opportunities for improving sperm cryopreservation.
Collapse
Affiliation(s)
- Hsiu-Lien Herbie Lin
- INRAE, CNRS, IFCE, Université de Tours, PRC, 37380 Nouzilly, France; Division of Physiology, LRI, COA, 71246 Tainan, Taiwan
| | - Pascal Mermillod
- INRAE, CNRS, IFCE, Université de Tours, PRC, 37380 Nouzilly, France
| | | | | | - Nadine Gérard
- INRAE, CNRS, IFCE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Karine Reynaud
- INRAE, CNRS, IFCE, Université de Tours, PRC, 37380 Nouzilly, France
| | - Lih-Ren Chen
- Division of Physiology, LRI, COA, 71246 Tainan, Taiwan
| | | | | |
Collapse
|
4
|
Dissanayake R, Combita D, Ahmed M. Enhanced Cryopreservation Efficacies of Ice Recrystallization Inhibiting Nanogels. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45689-45700. [PMID: 37729594 DOI: 10.1021/acsami.3c10369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Development of new cryopreservation technologies holds significant potential to revolutionize the fields of cell culture, tissue engineering, assisted reproduction, and transfusion medicine. The current gold standard small-cell permeating cryopreservation agents (CPAs) demonstrate promising cryopreservation efficacies but are cytotoxic and immunogenic at the concentrations required for cryopreservation applications. In comparison, new cell impermeable CPAs of nanodimensions demonstrate outstanding potential to overcome the drawbacks of existing CPAs. In this study, we report the synthesis of vitamin B5 analogous methacrylamide (B5AMA)-incorporated nanogels as a potential solution to address the commonly observed limitations of existing CPAs. The stimuli-responsive poly(B5AMA) nanogels prepared by radical polymerization demonstrated significant ice recrystallization inhibition efficacies and showed either superior or comparable cryopreservation efficacies compared to the traditional cryoprotectant DMSO/glycerol in both eukaryotic and prokaryotic cells.
Collapse
Affiliation(s)
- Ranga Dissanayake
- Department of Chemistry, University of Prince Edward Island 550 University Ave. Charlottetown, Prince Edward C1A 4P3, Canada
| | - Diego Combita
- Department of Chemistry, University of Prince Edward Island 550 University Ave. Charlottetown, Prince Edward C1A 4P3, Canada
| | - Marya Ahmed
- Department of Chemistry, University of Prince Edward Island 550 University Ave. Charlottetown, Prince Edward C1A 4P3, Canada
- Faculty of Sustainable Design Engineering, University of Prince Edward Island 550 University Ave. Charlottetown, Prince Edward C1A 4P3, Canada
| |
Collapse
|
5
|
Lin HLH, Grasseau I, Mermillod P, Chen LR, Blesbois E, Carvalho AV. A simple and fast alternative method to remove glycerol from chicken semen after cryopreservation. Cryobiology 2023; 112:104567. [PMID: 37586473 DOI: 10.1016/j.cryobiol.2023.104567] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 07/31/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
A concentration of 11% of glycerol is the standard one for sperm cryopreservation in chickens, however, the presence of just 2% glycerol already causes severe fertility reduction, suggesting the necessity of removing glycerol before artificial insemination (AI). The major approach developed for this purpose is serial dilution followed by centrifugation (SDC), which demands special equipment (such as a refrigerate room) to maintain post-thaw semen at 4 °C, besides being time consuming. Therefore, we attempted to develop a simple method to remove glycerol from chicken frozen-thawed semen based on a colloidal gel, Percoll, which is ordinarily used to select motile and viable sperm in mammals as well as in fresh chicken semen. In this study, we used a Percoll based glycerol removal solution (GRS) containing sucrose to avoid frozen-thawed sperm suffering from osmotic stress. Subsequently, several conditions including GRS compositions (GRS A, B, C and D) and centrifugation temperatures (4 and 20 °C) were compared by their influence on sperm in vitro parameters. Afterwards, GRS A and D were selected for fertility evaluation, compared to conventional SDC method. Our results showed that the fertility with GRS A at both 4 and 20 °C were higher than GRS D (p < 0.05) and similar or even superior to the fertility obtained with SDC method. Altogether, our novel GRS protocol is a valuable method for chicken sperm cryobanking policy, supported by its notable results of fertility as well as saving 44% of time, with a simple equipment at flexible operation temperatures of 4 or 20 °C.
Collapse
Affiliation(s)
- Hsiu-Lien Herbie Lin
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380, Nouzilly, France; Division of Physiology, LRI, COA, 71246, Tainan, Taiwan
| | - Isabelle Grasseau
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380, Nouzilly, France
| | - Pascal Mermillod
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380, Nouzilly, France
| | - Lih-Ren Chen
- Division of Physiology, LRI, COA, 71246, Tainan, Taiwan
| | | | | |
Collapse
|
6
|
Shen J, Du S, Xu Z, Gan T, Handschuh-Wang S, Zhang X. Anti-Freezing, Non-Drying, Localized Stiffening, and Shape-Morphing Organohydrogels. Gels 2022; 8:gels8060331. [PMID: 35735675 PMCID: PMC9222875 DOI: 10.3390/gels8060331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/15/2022] [Accepted: 05/19/2022] [Indexed: 11/16/2022] Open
Abstract
Artificial shape-morphing hydrogels are emerging toward various applications, spanning from electronic skins to healthcare. However, the low freezing and drying tolerance of hydrogels hinder their practical applications in challenging environments, such as subzero temperatures and arid conditions. Herein, we report on a shape-morphing system of tough organohydrogels enabled by the spatially encoded rigid structures and its applications in conformal packaging of “island–bridge” stretchable electronics. To validate this method, programmable shape morphing of Fe (III) ion-stiffened Ca-alginate/polyacrylamide (PAAm) tough organohydrogels down to −50 °C, with long-term preservation of their 3D shapes at arid or even vacuum conditions, was successfully demonstrated, respectively. To further illustrate the potency of this approach, the as-made organohydrogels were employed as a material for the conformal packaging of non-stretchable rigid electronic components and highly stretchable liquid metal (galinstan) conductors, forming a so-called “island–bridge” stretchable circuit. The conformal packaging well addresses the mechanical mismatch between components with different elastic moduli. As such, the as-made stretchable shape-morphing device exhibits a remarkably high mechanical durability that can withstand strains as high as 1000% and possesses long-term stability required for applications under challenging conditions.
Collapse
Affiliation(s)
- Jiayan Shen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
| | - Shutong Du
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
| | - Ziyao Xu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
| | - Tiansheng Gan
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
| | - Stephan Handschuh-Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
| | - Xueli Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; (J.S.); (S.D.); (Z.X.); (T.G.); (S.H.-W.)
- Correspondence: ; Tel.: +86-755-26557377
| |
Collapse
|
7
|
Tebet JM, Ferreira de Souza F, Mello Martins MI, Chirinéa VH, Candido de Carvalho J, Papa FO, Lopes MD. Assessment of thawed sperm quality from feline species: Ocelot (Leopardus pardalis) and oncilla (Leopardus gutullus). Theriogenology 2022; 177:56-62. [PMID: 34662840 DOI: 10.1016/j.theriogenology.2021.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/27/2021] [Accepted: 10/07/2021] [Indexed: 11/24/2022]
Abstract
This study aimed to evaluate the cryopreservation effects on the semen of oncilla (Leopardus guttulus, n = 5, 15 ejaculates) and ocelot (Leopardus pardalis, n = 5, 17 ejaculates) and compare two extenders (commercial and non-commercial extender). An andrological exam was conducted (testicle measurements and penis evaluation), including semen collection by electroejaculation. After collection, the semen was assessed to volume, color, pH, sperm motility, vigor, sperm number in the ejaculate, viability, membrane integrity, and sperm morphology. Samples were centrifuged (300 g for 10 min) and pellet diluted in two extenders (TRIS/glucose/egg yolk and BotuCRIO®), packed into 0.25 mL French straws (20 × 106 spermatozoa/mL), equilibrated at 5 °C for 1 h (<0.5 °C/min), freezing in nitrogen vapor for 20 min. Thawing was achieved at 46 °C for 15 min. Thawed samples were evaluated to the same characteristics and ultrastructural analysis. There is no difference for extenders, but in ocelot the spermatozoa maintained higher quality after thawing. Major defects were increased in thawed samples, especially acrosome injuries, in both species. Semen contamination by urine was remarkable to oncilla (53% of the ejaculates) which can have reduced sperm cryoresistance of this species. Ultrastructural analysis endorsed morphological analysis under light microscopy and identified cells with acrosome vesiculation. In conclusion, the spermatozoa of ocelot were more cryoresistent and the extender commercial and non-commercial were suitable for their cryopreservation. Other extenders should be investigated for oncilla.
Collapse
Affiliation(s)
- Jussara Maria Tebet
- Núcleo de Gestão de Programas, NGP8/CTR8/DGR/CFB, Secretaria de Infraestrutura e Meio Ambiente de São Paulo, Botucatu, São Paulo, Brazil; Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Fabiana Ferreira de Souza
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil.
| | - Maria Isabel Mello Martins
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil; Departamento de Clínicas Veterinárias, Universidade Estadual de Londrina, UEL, Londrina, Paraná, Brazil
| | - Viviane Helena Chirinéa
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Jaqueline Candido de Carvalho
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil; Santo Amaro University, UNISA, São Paulo, São Paulo, Brazil
| | - Frederico Ozanam Papa
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Maria Denise Lopes
- Departamento de Cirurgia Veterinária e Reprodução Animal, FMVZ, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| |
Collapse
|
8
|
Cryopreservation of NK and T Cells Without DMSO for Adoptive Cell-Based Immunotherapy. BioDrugs 2021; 35:529-545. [PMID: 34427899 DOI: 10.1007/s40259-021-00494-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
Dimethylsufoxide (DMSO) being universally used as a cryoprotectant in clinical adoptive cell-therapy settings to treat hematological malignancies and solid tumors is a growing concern, largely due to its broad toxicities. Its use has been associated with significant clinical side effects-cardiovascular, neurological, gastrointestinal, and allergic-in patients receiving infusions of cell-therapy products. DMSO has also been associated with altered expression of natural killer (NK) and T-cell markers and their in vivo function, not to mention difficulties in scaling up DMSO-based cryoprotectants, which introduce manufacturing challenges for autologous and allogeneic cellular therapies, including chimeric antigen receptor (CAR)-T and CAR-NK cell therapies. Interest in developing alternatives to DMSO has resulted in the evaluation of a variety of sugars, proteins, polymers, amino acids, and other small molecules and osmolytes as well as modalities to efficiently enable cellular uptake of these cryoprotectants. However, the DMSO-free cryopreservation of NK and T cells remains difficult. They represent heterogeneous cell populations that are sensitive to freezing and thawing. As a result, clinical use of cryopreserved cell-therapy products has not moved past the use of DMSO. Here, we present the state of the art in the development and use of cryopreservation options that do not contain DMSO toward clinical solutions to enable the global deployment of safer adoptively transferred cell-based therapies.
Collapse
|
9
|
Jesus AR, Meneses L, Duarte ARC, Paiva A. Natural deep eutectic systems, an emerging class of cryoprotectant agents. Cryobiology 2021; 101:95-104. [PMID: 33974836 PMCID: PMC8355309 DOI: 10.1016/j.cryobiol.2021.05.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/07/2021] [Accepted: 05/05/2021] [Indexed: 11/29/2022]
Abstract
This work aimed at evaluating the potential of using natural deep eutectic systems (NADES) as cryoprotectant agents (CPAs). Several combinations between natural primary metabolites that have been identified in animals that live in extreme cold climates were prepared. All systems showed very little cytoxicity towards L929 cells at concentrations high as 1–2 M. Moreover, this cell line was highly tolerant to 10% (w/v) of NADES when compared to Me2SO. To test NADES as CPAs, two cell lines were used, L929 and HacaT cells. After freeze/thawing cycle, it was possible to observe that for L929 cells, NADES presented similar behaviour to Me2SO. For Hacat cell line a significant improvement on post-thawing recovery was observed. Moreover, the results presented herein showed that NADES do not need to be removed from the freezing media after thawing the cells, which is a great advantage of these materials. Additionally, we have shown that NADES can act as CPA when cells are frozen at −20 °C. In overall, the results demonstrate the high potential of NADES to be used in cryobiology as alternative CPAs.
Collapse
Affiliation(s)
- Ana Rita Jesus
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal
| | - Liane Meneses
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal
| | - Ana Rita C Duarte
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal
| | - Alexandre Paiva
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal.
| |
Collapse
|
10
|
Madrigal-Valverde M, Bittencourt RF, de Lisboa Ribeiro Filho A, Araujo GR, Lents MP, Santos ES, Lima AS, Mattos P. Can amides be alternative cryoprotectors for the preservation of feline semen? Cryobiology 2020; 97:138-143. [PMID: 32976815 DOI: 10.1016/j.cryobiol.2020.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 11/19/2022]
Abstract
Sperm cryopreservation is a tool for the conservation of the genetic material of animals of genetic importance or for species preservation. In the case of domestic cats, this can be used to generate information about seminal harvest, evaluation and preservation, which is especially important due to its applicability to wild felids. This study evaluated seminal samples harvested by urethral catheterisation from 13 adult domestic cats. Samples were cryopreserved with experimental groups of extenders were defined by the penetrating cryoprotectant: 6% glycerol (GLY6%), 3% dimethylacetamide (DMA3%) and 3% dimethylformamide (DMF3%). The samples were thawed and evaluated by conventional microscopy and by computer-assisted sperm analysis (CASA). The structural and functional membrane integrity was assessed by supravital tests (EOS), hypoosmotic swelling tests (HOST) and flow cytometry (FC). There was a correlation (P < 0.05) between total motility and EOS (r = 0.54), HOST and FC (r = -0.62) and total motility and flow cytometry (r = 0.63), indicating that these are complementary parameters that increase the accuracy of the feline sperm quality evaluation post-thaw. The results regarding the structural and functional integrity of the sperm plasma membrane did not differ (P > 0.05) among groups. However, the DMA3% group had a lower (P < 0.05) percentage of morphological changes in the sperm tail compared to samples cryopreserved with GLY6% and DMF3%. Additionally, DMA3% provided lower values of immobile sperm post-thaw when compared to DMF3%. DMA is an interesting alternative to GLY and superior to DMF for the cryopreservation of feline semen at the studied concentrations.
Collapse
Affiliation(s)
- Mónica Madrigal-Valverde
- School of Agronomy, Costa Rica Institute of Technology, CTLSC, 223-21001, San Carlos, Costa Rica; Animal Science Department, University of Costa Rica, Campus Rodrigo Facio, 1501-2060, San José, Costa Rica
| | - Rodrigo F Bittencourt
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil.
| | - Antônio de Lisboa Ribeiro Filho
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Gediendson R Araujo
- Federal University of Mato Grosso do Sul, Avenida Senador Filinto Muller - de 932/933 ao fim, Vila Ipiranga, 79074460, Campo Grande, MS, Brazil
| | - Maicon P Lents
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Elisiane S Santos
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Adrielle S Lima
- School of Veterinary and Animal Science Medicine, Federal University of Bahia, Av. Adhemar de Barros, 500, Salvador, Bahia, 40170-110, Brazil
| | - Paulo Mattos
- Instituto Gonçalo Moniz, Fundação Osvaldo Cruz, CEP 40296-710, Salvador, Bahía, Brazil; Faculdade de Medicina da Bahia, Universidade Federal da Bahia, CEP 40110905, Salvador, Bahía, Brazil
| |
Collapse
|
11
|
Development of feline embryos produced using freeze-dried sperm. Theriogenology 2020; 147:71-76. [PMID: 32126383 DOI: 10.1016/j.theriogenology.2020.02.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 02/11/2020] [Accepted: 02/16/2020] [Indexed: 11/21/2022]
Abstract
Freeze drying has been developed as a new sperm preservation method that eliminates the necessity of using liquid nitrogen. An advantage of freeze-dried sperm is that it can be stored at 4 °C and transported at room temperature. To develop assisted reproductive techniques (ARTs) for domestic cats, we evaluated the effect of the freeze-dry procedure on cat sperm DNA by analyzing DNA integrity (experiment 1) and by generating cat embryos using freeze-dried sperm that had been preserved for several months (experiment 2). In experiment 1, the rate of DNA damage to freeze-dried sperm was not significantly different than that of sperm cryopreserved with liquid nitrogen (P > 0.05). In experiment 2, the proportions of cleaved embryos, morulae, and blastocysts and the cell number of blastocysts did not differ between experimental groups in which fresh sperm and freeze-dried sperm were used (P > 0.05). In addition, we generated feline blastocysts using freeze-dried sperm stored for 1-5 months. These results support an expansion of the repertoire of ARTs that are potentially applicable to both domestic and endangered species of cats.
Collapse
|
12
|
Tharasanit T, Tiptanavattana N, Oravetdilok K, Tuangsintanakul T, Sirithanyakul P, Tanvetthayanont P. Optimal concentration of Rho-associated coiled-coil kinase (ROCK) inhibitor improved sperm membrane functionality and fertilizing ability of cryopreserved-thawed feline sperm. Theriogenology 2019; 144:27-32. [PMID: 31887653 DOI: 10.1016/j.theriogenology.2019.12.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 12/21/2019] [Accepted: 12/21/2019] [Indexed: 11/26/2022]
Abstract
Sperm cryopreservation induces irreversible loss of viability and fertilizing ability. This study aimed at examining the effects of Rho-associated, coiled-coil kinase (ROCK) inhibitor on quality of frozen-thawed feline sperm. Ejaculated semen from individual cats (n = 6) was examined for the expression of LIMK1 and LIMK2 mediated ROCK cascade. The effects of ROCK inhibitor during cooling and cryopreservation on sperm quality and fertilizing ability were also examined. Feline sperm were treated with different concentrations of ROCK inhibitor (10, 20 and 40 μM) during cooling at 4 °C and cryopreservation. Sperm cooled and conventionally cryopreserved without ROCK inhibitor (0 μM) served as a control group. The ROCK cascade was confirmed in feline sperm as they expressed mRNA of LIMK1 and LIMK2 genes. Cryopreservation significantly reduced sperm quality in terms of viability (91.63 ± 3.96 vs. 60.11 ± 8.93), progressive motility (91.67 ± 3.54 vs. 46.67 ± 8.66) and acrosome integrity (93.49 ± 3.64 vs. 63.81 ± 5.31) for fresh and frozen-thawed sperm, respectively (p < 0.05). The positive effects of ROCK inhibitor on sperm quality were pronounced at 1 and 3 h post-thaw. ROCK inhibitor at 10 μM significantly improved sperm motility and membrane functionality compared to those observed in a control group (0 μM) (p < 0.05). In vitro fertilization revealed that supplement ROCK inhibitor at 10 μM during cryopreservation significantly improved in vitro fertilizing ability of the frozen-thawed sperm (p < 0.05). However, it did not subsequently increase morula and blastocyst rates (p > 0.05). Increased concentrations of ROCK inhibitor to 20 and 40 μM did not further improve the quality of frozen-thawed sperm. In conclusion, an optimal concentration (10 μM) of the ROCK inhibitor added into cooling medium could improve post-thaw sperm quality.
Collapse
Affiliation(s)
- Theerawat Tharasanit
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand; The Research and Development Center for Livestock Production Technology, The Faculty of Veterinary Science, Chulalongkorn University, 10330, Thailand.
| | - Narong Tiptanavattana
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla, 90110, Thailand
| | - Krittin Oravetdilok
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Tiraporn Tuangsintanakul
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pisit Sirithanyakul
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Potsawat Tanvetthayanont
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand
| |
Collapse
|
13
|
Erdmann RH, Blank MH, Ribeiro RN, José de Oliveira M, Cubas ZS, Pradiee J, Goularte KL, Moreira N. Cryopreservation of margay (Leopardus wiedii) spermatozoa: Effects of different extenders and frozen protocols. Theriogenology 2019; 143:27-34. [PMID: 31830687 DOI: 10.1016/j.theriogenology.2019.11.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 10/23/2019] [Accepted: 11/27/2019] [Indexed: 01/07/2023]
Abstract
Sperm cryopreservation offers many benefits to wild felids conservation programs. However, the implementation of these programs is limited by the different responses of each species to the cryopreservation protocols and extenders used, requiring the formulation of species-specific protocols. For this purpose, semen samples from 6 margays (Leopardus wiedii) were submitted to 2 cryopreservation protocols: 1) manual freezing (cooling rate of - 0.33 °C/min at 5 °C/180 min and freezing rate with two steps - 9 °C/min for 2 min and -19.1 °C/min for 2 min) and 2) automatic freezing machine (cooling rate of - 0.25 °C/min at 5 °C/120 min and freezing rate with one step -20 °C/min for 8.3 min) using 2 commercial extenders, an egg yolk-based (Test Yolk Buffer; TYB) and an egg yolk-free extender (AndroMed; MED). Post-thawed sperm quality was assessed at 3 time points (immediately after thawing and 1 and 2 h post-thawed) by sperm motility index (SMI), plasma membrane and acrosomal integrity, and mitochondrial membrane potential (MMP). Regarding SMI, TYB yielded superior results (29.4 ± 3.5%) compared to MED (11.2 ± 2.8%; p < 0.002) immediately after thawing until 2 h after thawing (TYB 3.9 ± 1.7% and MED 0.0 ± 0.0%; p < 0.05). Furthermore, the automated freezing method provided higher motility compared to the manual freezing procedure immediately post-thaw (25.08 ± 3.66% and 15.78 ± 3.29%, respectively) and 1 h post-thaw (13.71 ± 2.56% and 6.03 ± 1.97%, respectively; p < 0.05). The percentage of intact acrosomes and plasma membranes and the percentage of sperm with high MMP were superior for TYB when compared to MED regardless of cryopreservation protocol (p < 0.05). Conversely, the interaction between cryopreservation protocols and extenders was observed for MMP where TYB exhibits better results compared to MED (p < 0.05) in both procedures, but it was higher in automated procedures. For MED, no changes were found in MMP between procedures. Considering only TYB, samples showed higher MMP when submitted to an automated procedure (p < 0.05). In conclusion, the slow cooling rates with shorter time of exposure to glycerol contributed to minimize cryodamage in the Margays' sperm. Moreover, results indicated that association between TYB and automatic freezing machine ensured the minimal quality of spermatozoa after thawing required for further use in in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI).
Collapse
Affiliation(s)
- Renato Herdina Erdmann
- Pontifical Catholic University of Paraná, School of Life Science, College of Veterinary Medicine, Toledo, Paraná, Brazil
| | - Marcel Henrique Blank
- Department of Animal Reproduction, College of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil.
| | - Rodrigo Neca Ribeiro
- Pontifical Catholic University of Paraná, School of Life Science, College of Veterinary Medicine, Toledo, Paraná, Brazil
| | | | | | - Jorgea Pradiee
- Federal University of Pelotas, College of Veterinary Medicine, Pelotas, Rio Grande do Sul, Brazil
| | - Karina Lemos Goularte
- Federal University of Pelotas, College of Veterinary Medicine, Pelotas, Rio Grande do Sul, Brazil
| | - Nei Moreira
- Federal University of Paraná, Department of Biosciences, Palotina, Paraná, Brazil.
| |
Collapse
|
14
|
Bechoua S, Winckler P, Jossier A, Peltier C, Delize F, Devaux N, Perrier Cornet JM, Simonin H. Time-resolved Fluorescence and Generalized Polarization: Innovative tools to assess bull sperm membrane dynamics during slow freezing. Cryobiology 2019; 91:69-76. [PMID: 31678178 DOI: 10.1016/j.cryobiol.2019.10.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 09/06/2019] [Accepted: 10/20/2019] [Indexed: 11/15/2022]
Abstract
During slow freezing, spermatozoa undergo membrane alterations that compromise their ability of fertilizing. These alterations are cause either by cold shock or by the use of cryoprotectants known to be cytotoxic. However, little is known about the membrane changes that occurred during freezing. Here, we combined Generalized Polarization (GP), Time-resolved Fluorescence and laurdan fluorescence properties to investigate the changes in membrane fluidity and dynamics during slow freezing of bull sperm. We successfully demonstrated that laurdan may be distributed in three different local environments that correspond to different membrane lipid composition. These environments wont behave the same way when the cells will be subjected to either a chemical treatment (adding the cryoprotectants) or a physical treatment (freezing).
Collapse
Affiliation(s)
- Shaliha Bechoua
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France; CRB Ferdinand Cabanne, CHU Dijon Bourgogne, Dijon, France.
| | - Pascale Winckler
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France; Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, DimaCell Imaging Facility, F21000, Dijon, France
| | - Audrey Jossier
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France
| | - Caroline Peltier
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France
| | | | | | - Jean Marie Perrier Cornet
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France; Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, DimaCell Imaging Facility, F21000, Dijon, France
| | - Hélène Simonin
- Univ Bourgogne Franche-Comte, Agrosup Dijon, PAM UMR A02.2012, F21000, Dijon, France
| |
Collapse
|
15
|
Song WH, Ryu DY, Pang WK, Yoon SJ, Rahman MS, Pang MG. NT5C1B and FH are closely associated with cryoprotectant tolerance in spermatozoa. Andrology 2019; 8:221-230. [PMID: 31168966 DOI: 10.1111/andr.12653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 04/15/2019] [Accepted: 04/29/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Cryoprotective agent (CPA) addition during sperm cryopreservation causes detrimental effects on sperm function and quality. We previously reported that CPA addition adversely affects bull sperm physiological functions and shows differentially expressed proteins. OBJECTIVES To study functional and proteomic alterations between high CPA-tolerant spermatozoa (HCS) and low CPA-tolerant spermatozoa (LCS) in bull. MATERIALS AND METHODS Bull semen was collected from the cauda epididymides of Korean bull (Hanwoo) and suspended in Tris-egg yolk buffer (TYB). The collected fresh semen was diluted down to a final concentration of 6% glycerol TYB solution. After CPA exposure to the sperm cells from individual bulls, the percentage of sperm motility was examined by utilizing a computer-assisted sperm analysis system. According to sperm motility value, the HCS (motility above 80%) and LCS (motility below 60%) groups were evaluated for sperm function parameters (swimming speed, capacitation, viability, and mitochondrial function) and protein expression. RESULTS The HCS group had good sperm function parameters following CPA addition, whereas sperm functions in the LCS group were significantly reduced. There were differentially expressed proteins between the HCS and LCS groups. Cytosolic 5-nucleotidase 1B and fumarate hydratase were abundantly expressed in the HCS group, while F-actin-capping protein subunit beta, voltage-dependent anion-selective channel protein 2, and cytochrome b-c1 complex subunit 1 had a lower expression in the HCS group than in the LCS group. DISCUSSION AND CONCLUSION Identified proteins implicate potential markers to predict CPA-tolerable spermatozoa, which could provide a method of selecting animals and breeds with cryoprotectant resistance.
Collapse
Affiliation(s)
- Won-Hee Song
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| | - Do-Yeal Ryu
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| | - Won-Ki Pang
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| | - Sung-Jae Yoon
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| | - Md Saidur Rahman
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| | - Myung-Geol Pang
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Korea.,BET Research Institute, Chung-Ang University, Anseong, Korea
| |
Collapse
|
16
|
Jara B, Merino O, Sánchez R, Risopatrón J. Positive effect of butylated hydroxytoluene (BHT) on the quality of cryopreserved cat spermatozoa. Cryobiology 2019; 89:76-81. [PMID: 31071309 DOI: 10.1016/j.cryobiol.2019.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/22/2019] [Accepted: 05/03/2019] [Indexed: 11/16/2022]
Abstract
The semen cryopreservation processes are associated with state of oxidative stress induced by high levels of reactive oxygen species (ROS), causing damage to functional spermatozoa. Whereby, antioxidants have been utilized to scavenge or neutralize the elevated levels of ROS. The aim of at the present study was to evaluate the effect of adding BHT to the freezing extenders on post-thaw characteristics of domestic cat spermatozoa. Semen samples were frozen in Tris-fructose-citric acid-based extender, supplemented with different concentrations of BHT (0.5 mM, 1.0 mM and 2.0 mM) and a control sample without antioxidant. After thawing, sperm samples were assessed for motility by computer-assisted sperm analysis and viability, acrosome integrity, superoxide anion production and membrane lipid peroxidation status by flow cytometry. In the study, the parameters of sperm motility and acrosome integrity were significantly higher in 2.0 mM BHT compared to sperm frozen in the extender with other concentrations and control (P < 0.05), in addition, this concentration reduced significantly the superoxide anion production and lipid peroxidation of the sperm. The results demonstrated that the supplementation of BHT to the freezing extender could protect the function and cellular structure of domestic cat sperm from cryoinjuries.
Collapse
Affiliation(s)
- Belén Jara
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Osvaldo Merino
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Raúl Sánchez
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile; Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
| |
Collapse
|
17
|
Cheuquemán C, Faúndez R, Sánchez R, Risopatrón J. Changes in sperm function and structure after freezing in domestic cat spermatozoa. Andrologia 2018; 50:e13080. [PMID: 30039626 DOI: 10.1111/and.13080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 05/20/2018] [Accepted: 05/25/2018] [Indexed: 12/16/2022] Open
Abstract
Sperm cryopreservation allows for a long-term storage of genetic. However, changes due to factors as cold shock, osmotic and oxidative stress cause reduction in viability and fertilising ability of frozen/thawed spermatozoa. Therefore, evaluation of cryoinjury of cat spermatozoa is a key factor in achieving better cryopreservation results. This study analysed the changes in structural and functional after freezing in ejaculated domestic cats spermatozoa. Semen samples (n = 60) were analysed before and after freezing, progressive motility was determined with computer-assisted sperm analysis and viability, and acrosome intact spermatozoa, mitochondrial function and superoxide anion ( O 2 - ) were assessed by flow cytometry. The results demonstrated that cryopreservation induced changes in all sperm parameters (p < 0.05). Total sperm motility, viability, acrosome integrity and mitochondrial function of fresh samples were near to 80% and decrease near to 40% in frozen/thawed spermatozoa (p < 0.05); nevertheless, in contrast to all other sperm parameters, the sperm positive with O 2 - increased post/thawing (p < 0.05). In conclusion, changes in frozen/thawed spermatozoa could be related to the effect of oxidative stress due to the increase in the synthesis of O 2 - and a concomitant loss of functional competence. Therefore, the evaluation of these sperm parameters could contribute to complement the analysis of fresh or frozen semen used ART.
Collapse
Affiliation(s)
- Carolina Cheuquemán
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile
| | - Ricardo Faúndez
- European Centre of Motherhood - InviMed Warsaw, Warsaw, Poland.,Division of Animal Reproduction, Andrology and Biotechnology on Reproduction, Department of Animal Diseases with Clinic, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | - Raul Sánchez
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile.,Department of Preclinical Sciences, Faculty of Medicine, University of La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile.,Department of Basic Sciences, Faculty of Medicine, University of La Frontera, Temuco, Chile
| |
Collapse
|
18
|
|
19
|
Cryopreservation of cynomolgus macaque (Macaca fascicularis) sperm with glycerol and ethylene glycol, and its effect on sperm-specific ion channels - CatSper and Hv1. Theriogenology 2017; 104:37-42. [PMID: 28806626 DOI: 10.1016/j.theriogenology.2017.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/04/2017] [Accepted: 08/04/2017] [Indexed: 12/13/2022]
Abstract
The cryoprotective agent (CPA) is one of the most important factors that affects the cryosurvival of sperm. The aim of the present study was to compare two different CPAs, glycerol (Gly) and ethylene glycol (EG), on the cryopreservation of cynomolgus macaques sperm and evaluate the effects of cryopreservation on sperm motility, acrosomal integrity, DNA integrity, mitochondrial function and the sperm membrane ion channels CatSper and Hv1. Compared to fresh sperm, cryopreservation with either 0.7 M Gly or EG decreased the sperm motility (79.8 ± 1.5% Vs. 47.3 ± 1.8% and 47.6 ± 1.4%), acrosomal integrity (89.6 ± 1.2% Vs. 80.1 ± 1.8% and 79.6 ± 1.7%), DNA integrity (91.9 ± 0.7% Vs. 82.9 ± 1.0% and 82.3 ± 1.0%) and mitochondrial membrane potential (87.9 ± 1.8% Vs. 70.6 ± 2.7% and 67.9 ± 2.5%) and the quantity of the CatSper and Hv1 channels determined by Western Blot (p < 0.05), and EG showed equal cryoprotection to cynomolgus sperm in all of the sperm parameters. Our results indicated, for the first time, that cryopreservation decreases the quantity of sperm membrane ion channels (CatSper and Hv1), which might be one of the reasons that frozen sperm have a low fertilizing ability. The study will be beneficial to understand the biological process involved in sperm cryopreservation of nonhuman primates and contribute to improving cryopreservation protocols than can maintain sperm function and fertilizing ability.
Collapse
|
20
|
|
21
|
Chuawongboon P, Sirisathien S, Pongpeng J, Sakhong D, Nagai T, Vongpralub T. Effects of supplementation of iodixanol to semen extender on quality and fertilization ability of frozen-thawed Thai native bull sperm. Anim Sci J 2017; 88:1311-1320. [PMID: 28370846 DOI: 10.1111/asj.12798] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 01/11/2017] [Indexed: 11/30/2022]
Abstract
This study investigates the effects of iodixanol supplementation in varied concentrations to Tris egg yolk (TEY) extender on the quality and fertilization ability of frozen-thawed sperm of Thai native bulls. Each ejaculate was divided into four different groups, as follows: sperm were treated with TEY extender (control group) and TEY extender supplemented with three different concentrations of iodixanol (1.25%, 2.50% and 5.00%). Semen straws were frozen in liquid nitrogen vapor. After thawing, sperm motility characteristics, viability, plasma membrane integrity and acrosome integrity were determined. Also, frozen-thawed spermatozoa from all groups were used for in vitro fertilization and artificial insemination (AI) in natural estrus Thai native cows. The results showed that the post-thaw quality of the 2.50% iodixanol group was superior to the other iodixanol groups (P < 0.05). However, iodixanol had no beneficial effect on post-thaw sperm in vitro fertilization ability and pregnancy rate after AI (P > 0.05). It can be concluded that the supplementation of 2.50% iodixanol extender significantly improves the progressive motility, viability, plasma membrane integrity and acrosome integrity of cryopreserved semen from Thai native bulls, but it has no beneficial effect on in vitro fertilization ability and pregnancy rate after AI.
Collapse
Affiliation(s)
- Phirawit Chuawongboon
- Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
| | - Saksiri Sirisathien
- Department of Surgery and Theriogenology, Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jatuporn Pongpeng
- Department of Livestock Development, Bureau of Biotechnology in Livestock Production, Bangkok, Thailand
| | - Denpong Sakhong
- Department of Livestock Development, Veterinary Research and Development Center (Upper Northeastern Region), Khon Kaen, Thailand
| | - Takashi Nagai
- Animal Breeding and Reproduction Research Division, NARO Institute of Livestock and Grassland Science, Tsukuba, Japan.,Food and Fertilizer Technology Center, Taipei, Taiwan
| | - Thevin Vongpralub
- Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
| |
Collapse
|
22
|
Chatdarong K. Retained fertilizing capability in cryopreserved feline spermatozoa. Reprod Domest Anim 2016; 52 Suppl 2:261-264. [DOI: 10.1111/rda.12855] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- K Chatdarong
- Department of Obstetrics, Gynaecology and Reproduction; Faculty of Veterinary Science; Chulalongkorn University; Bangkok Thailand
| |
Collapse
|
23
|
Prochowska S, Niżański W, Partyka A. Comparative analysis of in vitro characteristics of fresh and frozen-thawed urethral and epididymal spermatozoa from cats (Felis domesticus). Theriogenology 2016; 86:2063-72. [DOI: 10.1016/j.theriogenology.2016.07.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 05/14/2016] [Accepted: 07/02/2016] [Indexed: 10/21/2022]
|
24
|
Klaus C, Eder S, Franz C, Müller K. Successful Cryopreservation of Domestic Cat (Felis catus) Epididymal Sperm after Slow Equilibration to 15 or 10°C. Reprod Domest Anim 2016; 51:195-203. [DOI: 10.1111/rda.12666] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 12/16/2015] [Indexed: 11/29/2022]
Affiliation(s)
- C Klaus
- Leibniz-Institut für Zoo- und Wildtierforschung; Berlin Germany
| | - S Eder
- Leibniz-Institut für Zoo- und Wildtierforschung; Berlin Germany
| | - C Franz
- Leibniz-Institut für Zoo- und Wildtierforschung; Berlin Germany
| | - K Müller
- Leibniz-Institut für Zoo- und Wildtierforschung; Berlin Germany
| |
Collapse
|
25
|
Prochowska S, Niżański W, Ochota M, Partyka A. Characteristics of urethral and epididymal semen collected from domestic cats--A retrospective study of 214 cases. Theriogenology 2015; 84:1565-71. [PMID: 26359850 DOI: 10.1016/j.theriogenology.2015.08.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2015] [Revised: 08/07/2015] [Accepted: 08/08/2015] [Indexed: 10/23/2022]
Abstract
This study was designed to describe and compare basic semen characteristics and sperm motility parameters obtained via computer-assisted sperm analysis (CASA) in feline semen collected from the urethra and epididymis, on the basis of large, unselected population of domestic cats. The semen collected from 214 males was subjected for routine semen assessment and CASA evaluation. Semen collected by urethral catheterization (CT) and by epididymal slicing (EP) has comparable characteristics according to total sperm count (47.7 ± 42.1 and 52.9 ± 45.0), subjective motility (71.1 ± 17.0 and 69.3 ± 13.9), viability (74.9 ± 13.4 and 76.7 ± 10.6), and morphology (52.6 ± 19.0 and 47.2 ± 17.4). The study of a large feline population confirmed a high incidence of teratospermy in cats, which negatively affects sperm motility parameters assessed by CASA. A lack of a correlation between CT and EP semen for total sperm count and viability, as well as occasional gross differences between the morphology of CT and EP semen of the same cat suggests that many factors may affect sperm cells, and the fertility and/or infertility of patients should not be assessed after examining only one sample. Additionally, technical problems with assessment of EP samples (understated results) suggest that CT semen is more appropriate for an analysis by CASA than EP.
Collapse
Affiliation(s)
- Sylwia Prochowska
- Department of Reproduction and Clinic of Farm Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
| | - Wojciech Niżański
- Department of Reproduction and Clinic of Farm Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland.
| | - Małgorzata Ochota
- Department of Reproduction and Clinic of Farm Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
| | - Agnieszka Partyka
- Department of Reproduction and Clinic of Farm Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
| |
Collapse
|
26
|
Buranaamnuay K. Determination of appropriate cryopreservation protocols for epididymal cat spermatozoa. Reprod Domest Anim 2015; 50:378-85. [PMID: 25662090 DOI: 10.1111/rda.12496] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 01/13/2015] [Indexed: 11/29/2022]
Abstract
Effects of Equex and glycerol additions and sample dilution step on frozen-thawed epididymal cat spermatozoa were investigated. The epididymal sperm pellets were resuspended in extenders using one- (groups III and IV) or two- (groups I, II, V and VI) step dilution. For one-step dilution, the pellets were resuspended in plain egg yolk-Tris medium (EYT) + 5% glycerol with (IV)/without (III) 0.5% Equex and cooled (4(°) C, 1 h). For two-step dilution, the pellets were resuspended in EYT (I and V) and in EYT + 3% glycerol (II and VI), cooled and further diluted with EYT + 10% glycerol with (I)/without (V) 1% Equex and with EYT + 7% glycerol with (II)/without (VI) 1% Equex. Immediately after freeze-thawing, no differences (p > 0.05) were found in the motility, viability and membrane integrity (HOST) among the groups except the lowest HOST in IV (p = 0.005 to p = 0.04). The acrosome integrity (FITC) in group I was comparable to that in group II (p > 0.05) and was higher than the rest (p < 0.001 to p = 0.02). At 2 h after thawing, the motility, viability and HOST were comparable among the groups (p > 0.05) except the lower percentages of viability in III (p = 0.008 to p = 0.3) and of HOST in IV (p = 0.005 to p = 0.2). Two-step dilutions with Equex (I, II) were more beneficial for the FITC at 2 h than without Equex (V) (p = 0.005 and p = 0.02) and than one-step dilutions (III, IV) (p < 0.001 to p = 0.02). In conclusion, epididymal cat sperm quality after freeze-thawing could be improved when Equex was added and two-step dilution was performed during freezing. The extenders prepared for the first step of dilution could be with (3%) or without (0%) glycerol.
Collapse
Affiliation(s)
- K Buranaamnuay
- Reproductive Biology Research Group, Institute of Molecular Biosciences (MB), Mahidol University, Nakhon Pathom, Thailand
| |
Collapse
|
27
|
Biology and Diseases of Cats. LABORATORY ANIMAL MEDICINE 2015. [PMCID: PMC7149628 DOI: 10.1016/b978-0-12-409527-4.00013-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
28
|
Effect of dilution rate on feline urethral sperm motility, viability, and DNA integrity. Theriogenology 2014; 82:1273-80. [DOI: 10.1016/j.theriogenology.2014.08.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 08/19/2014] [Accepted: 08/19/2014] [Indexed: 12/16/2022]
|