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Bollwein H, Malama E. Review: Evaluation of bull fertility. Functional and molecular approaches. Animal 2023; 17 Suppl 1:100795. [PMID: 37567681 DOI: 10.1016/j.animal.2023.100795] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 08/13/2023] Open
Abstract
With the term "assisted reproduction technologies" in modern cattle farming, one could imply the collection of techniques that aim at the optimal use of bovine gametes to produce animals of high genetic value in a time- and cost-efficient manner. The accurate characterisation of sperm quality plays a critical role for the efficiency of several assisted reproduction-related procedures, such as sperm processing, in vitro embryo production and artificial insemination. Bull fertility is ultimately a collective projection of the ability of a series of ejaculates to endure sperm processing stress, and achieve fertilisation of the oocyte and production of a viable and well-developing embryo. In this concept, the assessment of sperm functional and molecular characteristics is key to bull fertility diagnostics and prognostics. Among others, functional features linked to sperm plasma membrane, acrosome and DNA integrity are usually assessed as a measure of the ability of sperm to express the phenotypes that will allow them to maintain their homeostasis and orchestrate-in a strict temporal manner-the course of events that will enable the delivery of their genetic content to the oocyte upon fertilisation. Nevertheless, measures of sperm functionality are not always adequate indicators of bull fertility. Nowadays, advancements in the field of molecular biology have facilitated the profiling of several biomolecules in male gametes. The molecular profiling of bovine sperm offers a deeper insight into the mechanisms underlying sperm physiology and, thus, can reveal novel candidate markers for bull fertility prognosis. In this review, the importance of three organelles (the nucleus, the plasma membrane and the acrosome) for the characterisation of sperm fertilising capacity and bull fertility is discussed at functional and molecular levels. In particular, information about sperm head morphometry, chromatin structure, viability as well as the ability of sperm to capacitate and undergo the acrosome reaction are presented in relation to the cryotolerance of male gametes and bull fertility. Finally, major spermatozoal coding and non-coding RNAs, and proteins that are involved in the above-mentioned aspects of sperm functionality are also summarised.
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Affiliation(s)
- H Bollwein
- Clinic of Reproductive Medicine, Department for Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland.
| | - E Malama
- Clinic of Reproductive Medicine, Department for Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland
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Post-Thaw Quality of Spermatozoa Frozen with Three Different Extenders in the Murciano Granadina Goat Breed. Animals (Basel) 2023; 13:ani13020309. [PMID: 36670848 PMCID: PMC9854699 DOI: 10.3390/ani13020309] [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: 12/15/2022] [Revised: 01/05/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Artificial insemination (AI) with frozen semen in goats still presents serious difficulties, especially in certain goat breeds, in spite of technological progress. The aim of this work is the in vitro study of seminal extenders adapted from those used on other species to evaluate the response of goat sperm to several homeostatic conditions in order to achieve optimal post-thaw semen quality. Three different extenders based on different activity principles were used: (1) extender according to the methodology proposed for pigs, (2) skimmed-milk-based extender according to the methodology proposed for goats in France, and (3) a new egg-yolk-based extender replacing membrane-protective surfactants with sodium dodecyl sulfate (SDS) and named by our team as extender "IMIDA". The freezing guidelines were those proposed for the freezing of porcine semen. The results obtained show that the egg-yolk-based extenders have good parameters of sperm motility at thawing, studied objectively using the computer-assisted sperm analysis (CASA) system and also subjectively. In particular, in the sperm resistance test after five hours, the thawed sperm containing SDS in their composition showed an optimal average on every evaluated parameter. The new IMIDA extender provided the highest sperm quality averages, so it could be a good extender to use in cryopreservation of semen in the caprine species.
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Mirihagalle S, Hughes JR, Miller DJ. Progesterone-Induced Sperm Release from the Oviduct Sperm Reservoir. Cells 2022; 11:1622. [PMID: 35626659 PMCID: PMC9139440 DOI: 10.3390/cells11101622] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023] Open
Abstract
In mammalian females, after sperm are deposited in the reproductive tract, a fraction of sperm migrates to the lower oviduct (isthmus) and forms a sperm storage site known as the functional sperm reservoir. The interactions between sperm membrane proteins and oviduct epithelial cells facilitate sperm binding to the oviductal epithelium and retention in the reservoir. Sperm are bound by glycans that contain specific motifs present on isthmic epithelial cells. Capacitated sperm are released from the reservoir and travel further in the oviduct to the ampulla where fertilization occurs. For decades, researchers have been studying the molecules and mechanisms of sperm release from the oviductal sperm reservoir. However, it is still not clear if the release of sperm is triggered by changes in sperm, oviduct cells, oviduct fluid, or a combination of these. While there is a possibility that more than one of these events are involved in the release of sperm from the reservoir, one activator of sperm release has the largest accumulation of supporting evidence. This mechanism involves the steroid hormone, progesterone, as a signal that induces the release of sperm from the reservoir. This review gathers and synthesizes evidence for the role of progesterone in inducing sperm release from the oviduct functional sperm reservoir.
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Affiliation(s)
| | | | - David Joel Miller
- Department of Animal Sciences, Institute for Genomic Biology, University of Illinois, Urbana, IL 61801, USA; (S.M.); (J.R.H.)
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Griffin RA, Swegen A, Baker MA, Ogle RA, Smith N, Aitken RJ, Skerrett-Byrne DA, Fair S, Gibb Z. Proteomic analysis of spermatozoa reveals caseins play a pivotal role in preventing short-term periods of subfertility in stallions. Biol Reprod 2022; 106:741-755. [DOI: 10.1093/biolre/ioab225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/29/2021] [Accepted: 09/23/2021] [Indexed: 11/14/2022] Open
Abstract
Abstract
Stallions experience transient fluctuations in fertility throughout the breeding season. Considering pregnancy diagnoses cannot be ascertained until ~14 days post-breeding, the timely detection of decreases in stallion fertility would enhance industry economic and welfare outcomes. Therefore, this study aimed to identify the proteomic signatures reflective of short-term fertility fluctuations, and to determine the biological mechanisms governing such differences. Using LC–MS/MS, we compared the proteomic profile of semen samples collected from commercially “fertile” stallions, during high- and low-fertility periods. A total of 1702 proteins were identified, of which, 38 showed a significant change in abundance (p ≤ 0.05). Assessment of intra- and inter-stallion variability revealed that caseins (namely κ-, α-S1-, and α-S2-casein), were significantly more abundant during “high-fertility” periods, while several epididymal, and seminal plasma proteins (chiefly, epididymal sperm binding protein 1 [ELSPbP1], horse seminal plasma protein 1 [HSP-1] and clusterin), were significantly more abundant during “low-fertility” periods. We hypothesised that an increased abundance of caseins offers greater protection from potentially harmful seminal plasma proteins, thereby preserving cell functionality and fertility. In vitro exposure of spermatozoa to casein resulted in decreased levels of lipid scrambling (Merocyanine 540), higher abundance of sperm-bound caseins (α-S1-, α-S2-, and κ-casein), and lower abundance of sperm-bound HSP-1 (p ≤ 0.05). This study demonstrates key pathways governing short-term fertility fluctuations in the stallion, thereby providing a platform to develop robust, fertility assessment strategies into the future.
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Affiliation(s)
- Róisín Ann Griffin
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
| | - Aleona Swegen
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
- Nuffield Department of Women’s and Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Mark A Baker
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
| | - Rachel Ann Ogle
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
| | - Nathan Smith
- Analytical and Biomedical Research Facility, Research Division, University of Newcastle, Callaghan, New South Wales, Australia
| | - Robert John Aitken
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
| | - David Anthony Skerrett-Byrne
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
- Pregnancy and Reproduction Program, Hunter Medical Research Institute, New South Wales, Australia
| | - Sean Fair
- Laboratory of Animal Reproduction, Department of Biological Sciences, Biomaterials Research Cluster, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Zamira Gibb
- Priority Research Centre for Reproductive Science, University of Newcastle, New South Wales, Australia
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Arjun V, Kumar P, Dutt R, Kumar A, Bala R, Verma N, Jerome A, Virmani M, Patil CS, Singh S, Kumar D. Is addition or removal of seminal plasma able to compensate for the dilution effect of buffalo semen? Andrologia 2021; 53:e14123. [PMID: 34053099 DOI: 10.1111/and.14123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 04/24/2021] [Accepted: 05/03/2021] [Indexed: 12/01/2022] Open
Abstract
The present study aimed to compensate dilution effect using additional seminal plasma (SP) in conventional (80 million (M) spermatozoa/ml) dose and low spermatozoa/dose (8M spermatozoa/ml). We also attempted to confirm whether removal of SP before the extension of ejaculates affects post-thaw sperm quality of buffalo semen. For this, semen ejaculates (N = 15) were divided into four groups: control (CON), removal of SP by centrifugation (NSP), resuspension of the centrifuged semen pellet into SP (CEN) and extra supplementation of SP (ESP). All groups were diluted into two different semen doses to 20 and 2M spermatozoa/0.25 ml using tris egg yolk extender and subsequently cryopreserved. We found that neither addition nor removal of SP affected sperm motility, kinematics, longevity, mitochondrial superoxide production and high mitochondrial membrane potential (MMP). Further, the addition or removal of SP was not able to compensate dilution effect in 2M groups resulting in a significantly (p < .05) reduction in sperm motility, kinematics, sperm longevity, membrane integrity, MMP, and an increase production of mitochondrial superoxide. In conclusion, it appears that role of SP in the sperm cryopreservation process is insignificant.
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Affiliation(s)
- V Arjun
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India.,Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Pradeep Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
| | - Ravi Dutt
- Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Amit Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India.,Department of Veterinary Gynaecology and Obstetrics, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Renu Bala
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
| | - Nisha Verma
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
| | - Andonissamy Jerome
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
| | - Meenakshi Virmani
- Department of Animal Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Chandra Shekhar Patil
- Department of Animal Genetics and Breeding, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Sajjan Singh
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
| | - Dharmendra Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, India
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Schäfer-Somi S, Binder C, Burak J, Papadopoulos N, Ilas J, Boersma A, Aurich C. Using egg yolk in a TRIS-Equex STM paste extender for freezing of dog semen is superior to egg yolk plasma, also after addition of lecithin and catalase. Cryobiology 2021; 100:63-71. [PMID: 33826944 DOI: 10.1016/j.cryobiol.2021.03.009] [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] [Received: 09/07/2020] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 11/28/2022]
Abstract
We compared the results of using egg yolk plasma (EYP) instead of egg yolk (EY) in a TRIS-based Equex STM Paste freezing extender system for dog semen [25]. We also tested whether the addition of lecithin and catalase to the EYP extenders would improve results. Fractionated semen collection was done in 17 stud dogs and the sperm rich fraction diluted with different extenders in 2 steps: (I) TRIS-fructose-citric acid extender (TRIS) containing 20% egg yolk (EY) and 3% glycerol [25], (II) TRIS containing 20% egg yolk plasma (EYP) and 3% glycerol, and (III) TRIS containing 20% EYP and 0.8% lecithin (EYP-L) and 3% glycerol. After equilibration the second dilution step was done: samples with (I) were diluted with TRIS-EY with 7% glycerol and 1% Equex STM paste [25]; samples with (II) and (III) were divided in 2 aliquots each, and one part diluted with TRIS-EYP or TRIS-EYP-L, both containing 7% glycerol and 1% Equex STM paste, and the other one part with the same extenders containing additionally 300 I.U./mL catalase. After freezing and thawing, samples were analyzed by CASA and sperm chromatin structure assay (SCSA); reactive oxygen species (ROS), degree of apoptosis and zona binding ability were determined. Semen samples with TRIS-EY with a final concentration of 5% glycerol and 0.5% Equex STM paste [25] showed best post thaw progressive motility (P), most intact cells, lowest percentage of ROS, acrosome damages, dead and apoptotic cells. Curvilinear velocity (VCL), DNA fragmentation, morphological abnormalities and zona binding ability did not differ between groups. Replacement of egg yolk by EYP increased the ROS and late apoptotic cells. Addition of lecithin and catalase to EYP containing extenders decreased motility and increased complete apoptosis. We conclude that egg yolk is superior to EYP in the here investigated extenders. The TRIS-based extender [25] with EYP could not be improved by addition of lecithin and catalase; however, in-vivo fertilization capacity of the here examined extenders remains to be investigated.
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Affiliation(s)
- Sabine Schäfer-Somi
- Department of Small Animals and Horses, Platform for AI and ET, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
| | - C Binder
- Clinic for Obstetrics, Gynecology and Andrology, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
| | - J Burak
- Platform for AI and ET, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
| | - N Papadopoulos
- Platform for AI and ET, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
| | - J Ilas
- Takeda Pharma Austria, Vienna, Austria.
| | - A Boersma
- Institute of In-vivo and In-vitro Models, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
| | - C Aurich
- Platform for AI and ET, University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, Austria.
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Galo JM, Streit-Jr DP, Corcini CD, Varela-Jr AS, Jardim RD, Ribeiro RP. Protein profile as a quality indicator of cryopreserved semen from Tambaqui Colossoma macropomum (Cuvier, 1818). BRAZ J BIOL 2020; 80:752-762. [PMID: 31778482 DOI: 10.1590/1519-6984.219140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 07/16/2019] [Indexed: 01/24/2023] Open
Abstract
The aim of this study was to evaluate the association between proteins in the seminal plasma of tambaqui Colossoma macropomum (Cuvier, 1818) with seminal quality indicators after thawing. The semen was cryopreserved with a dilution based on BTS with 8% DMSO. A 200 µL sample of semen from each animal was diluted in 800 µL BTS, centrifuged at 800 rpm, and the supernatant was cryopreserved to further analyze of the protein profile of seminal plasma through one-dimensional electrophoresis (SDS-PAGE). After 15 days of cryopreservation, a cryopreserved semen straw was thawed to analyze both qualitative and quantitative parameters. When considering all collections, the SDS-PAGE identified 15 protein bands in the seminal plasma of tambaqui. When the interaction (presence or absence) between proteins observed in the seminal plasma and the post thawed spermatic parameters was evaluated, we observed a great influence of the presence of proteins on spermatic quality. A greater (P<0.05) fertilization rate was observed with the presence of proteins 12, 34, 44, 85, and 90 kDa. Proteins in seminal plasma of tambaqui influenced the spermatic quality after thawing, and thus, they can be utilized as an indicator of sperm quality, especially the proteins with a molecular weight ≤ 50 kDa.
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Affiliation(s)
- J M Galo
- Instituto Federal de Educação, Ciência e Tecnologia de Rondônia - IFRO, Campus Ariquemes, Rodovia RO-257, Km 13, CEP 76878-899, Ariquemes, RO, Brasil
| | - D P Streit-Jr
- Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul - UFRGS, Av. Bento Gonçalves, 7712, CEP 91540-000, Porto Alegre, RS, Brasil
| | - C D Corcini
- Faculdade de Veterinária, Universidade Federal de Pelotas - UFPEL, Rua Gomes Carneiro, 01, Centro, CEP 96010-900, Pelotas, RS, Brasil
| | - A S Varela-Jr
- Setor de Morfologia-Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, s/n, Campus Carreros, Prédio 06, CEP 96203-000, Rio Grande, RS, Brasil
| | - R D Jardim
- Setor de Morfologia-Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália, s/n, Campus Carreros, Prédio 06, CEP 96203-000, Rio Grande, RS, Brasil
| | - R P Ribeiro
- Departamento de Zootecnia, Universidade Estadual de Maringá - UEM, Av. Colombo, 5790, CEP 87030-121, Bairro Zona 07, Maringá, PR, Brasil
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Bubenickova F, Postlerova P, Simonik O, Sirohi J, Sichtar J. Effect of Seminal Plasma Protein Fractions on Stallion Sperm Cryopreservation. Int J Mol Sci 2020; 21:E6415. [PMID: 32899253 PMCID: PMC7504567 DOI: 10.3390/ijms21176415] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 12/11/2022] Open
Abstract
Seminal plasma (SP) is the natural environment for spermatozoa and contains a number of components, especially proteins important for successful sperm maturation and fertilization. Nevertheless, in standard frozen stallion insemination doses production, SP is completely removed and is replaced by a semen extender. In the present study, we analyzed the effects of the selected seminal plasma protein groups that might play an important role in reducing the detrimental effects on spermatozoa during the cryopreservation process. SP proteins were separated according to their ability to bind to heparin into heparin-binding (Hep+) and heparin-non-binding (Hep-) fractions. The addition of three concentrations-125, 250, and 500 µg/mL-of each protein fraction was tested. After thawing, the following parameters were assessed: sperm motility (by CASA), plasma membrane integrity (PI staining), and acrosomal membrane integrity (PNA staining) using flow cytometry, and capacitation status (anti-phosphotyrosine antibody) using imaging-based flow cytometry. Our results showed that SP protein fractions had a significant effect on the kinematic parameters of spermatozoa and on a proportion of their subpopulations. The 125 µg/mL of Hep+ protein fraction resulted in increased linearity (LIN) and straightness (STR), moreover, with the highest values of sperm velocities (VAP, VSL), also this group contained the highest proportion of the fast sperm subpopulation. In contrast, the highest percentage of slow subpopulation was in the groups with 500 µg/mL of Hep+ fraction and 250 µg/mL of Hep- fraction. Interestingly, acrosomal membrane integrity was also highest in the groups with Hep+ fraction in concentrations of 125 µg/mL. Our results showed that the addition of protein fractions did not significantly affect the plasma membrane integrity and capacitation status of stallion spermatozoa. Moreover, our results confirmed that the effect of SP proteins on the sperm functionality is concentration-dependent, as has been reported for other species. Our study significantly contributes to the lack of studies dealing with possible use of specific stallion SP fractions in the complex puzzle of the improvement of cryopreservation protocols. It is clear that improvement in this field still needs more outputs from future studies, which should be focused on the effect of individual SP proteins on other sperm functional parameters with further implication on the success of artificial insemination in in vivo conditions.
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Affiliation(s)
- Filipa Bubenickova
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Prague, Czech Republic; (F.B.); (P.P.); (J.S.)
| | - Pavla Postlerova
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Prague, Czech Republic; (F.B.); (P.P.); (J.S.)
- Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, 252 50 Vestec, Czech Republic
| | - Ondrej Simonik
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Prague, Czech Republic; (F.B.); (P.P.); (J.S.)
- Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, 252 50 Vestec, Czech Republic
| | - Jitka Sirohi
- Department of Statistics, Faculty of Economics and Management, Czech University of Life Sciences Prague, 165 00 Prague, Czech Republic;
| | - Jiri Sichtar
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Prague, Czech Republic; (F.B.); (P.P.); (J.S.)
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Assessment of binder of sperm protein 1 (BSP1) and heparin effects on in vitro capacitation and fertilization of bovine ejaculated and epididymal sperm. ZYGOTE 2020; 28:489-494. [PMID: 32772933 DOI: 10.1017/s0967199420000374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The present study evaluated the effect of binder of sperm protein 1 (BSP1) and/or heparin on in vitro bovine capacitation and fertilization rates using epididymal and ejaculated bovine sperm. Frozen-thawed sperm were selected and used in the following treatments. Control group: Fert-TALP medium without heparin; heparin (HEP) group: Fert-TALP with heparin (10 UI/ml); BSP1 group: Fert-TALP medium with BSP1 (10 µg/ml for ejaculated sperm; 40 µg/ml for epididymal sperm); HEP + BSP1 group: Fert-TALP medium with heparin (5 UI/ml) and BSP1 (5 µg/ml for ejaculated sperm; 20 µg/ml for epididymal sperm) and determined in vitro capacitation rates in different interval times (0, 15, 30 and 60 min) using the chlortetracycline fluorescence (CTC) method. Also, we evaluated the development rates of oocytes fertilized with ejaculated or epididymal sperm into the same treatments. Capacitation was greater and faster when ejaculated sperm were treated for 60 min with heparin compared with other treatments. However, developmental rates were similar in all treatments. For epididymal sperm, the treatments with BSP1 presented higher capacitation and fertilization rates compared with heparin (P < 0.05). The effects of heparin + BSP1 on capacitation and developmental rates did not cause any increase in capacitation or blastocyst rates compared with other groups for ejaculated or epididymal sperm. In conclusion, this study confirmed that either BSP1 and heparin can be used as capacitator agents for bovine ejaculated sperm during IVF. However, BSP1 seems to be more efficient compared with heparin for epididymal sperm. Furthermore, BSP1 and heparin have no synergic effects on sperm capacitation.
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10
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Varela-Giraldo E, Úsuga-Suárez A, Duque-Cortés JE, Gómez-Oquendo J, Restrepo-Betancur G. Effect of low-density lipoproteins and trehalose on the quality of cryopreserved bovine semen. REV COLOMB CIENC PEC 2020. [DOI: 10.17533/udea.rccp.v34n3a03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background: In artificial insemination, chicken egg yolk is added to bovine semen to protect it during the cryopreservation process, although it contains substances that can affect the microbiological quality and metabolism of sperm. Objective: To evaluate post-thaw quality of bovine cryopreserved semen added with centrifuged and non-centrifuged egg yolk, low-density lipoproteins (LDL), and trehalose (T). Methods: Ten ejaculates from five bulls were cryopreserved under the treatments T1: pure egg yolk (PEY) at 20% v/v, T2: centrifuged egg yolk (CEY) at 20% v/v, T3: LDL at 8% v/v, T4: T at 100 mM, and T5: T at 100 mM plus LDL at 8% v/v (TLDL). Spermatic motility and kinetics, functional membrane integrity (FMI), structural membrane integrity (SMI), sperm vitality (SV) and abnormal morphology (AM) were assessed using the Sperm Class Analyzer (SCA®) system, hypoosmotic test (HOST), SYBR/PI probes, and eosin–nigrosin staining, respectively. A completely randomized design was used. Normal distribution of the variables was validated through the Kolmogórov– Smirnov test. A generalized linear model was used to determine sources of variation. Means were compared using the Tukey test. Results: Inclusion of CEY or LDL had a similar effect on sperm protection, and were superior for motility, kinetics and membrane integrity compared to the other treatments (p<0.05). CEY was superior for progressive motility (p<0.05). The cryoprotective action of LDL was similar to TLDL for motility and kinetics, SMI, SV, and AM (p<0.05). Inclusion of PEY and T resulted in the lowest semen quality (p<0.05). The use of T resulted in a reduction in FMI and SMI (p<0.05). No differences in AM between treatments were found (p>0.05). Conclusions: Egg yolk can be replaced by centrifuged egg yolk or low-density lipoproteins in the freezing extender used for bovine semen used in artificial insemination.
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Zarafshan SS, Manjunath P. Novel affinity chromatography method for the efficient purification of recombinant Binder of SPerm homolog proteins. J Sep Sci 2020; 43:3458-3466. [PMID: 32619312 DOI: 10.1002/jssc.202000250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In mammalian species, a family of proteins named the Binder of SPerm proteins, which are expressed in the male reproductive tract, have been shown to play a role in epididymal sperm maturation and sperm capacitation. Recently, one homolog from human and two homologs from mouse were characterized. In order to further investigate the biochemical activity of these proteins, efficient purification procedures are required to isolate the proteins. Since these proteins are produced in very minute quantities, we exploited the high capacity of Escherichia coli to produce larger quantities of recombinant proteins that were subsequently purified using affinity chromatography on a diethylaminoethyl-Sephadex A-25 column. Binder of SPerm proteins have been shown to interact with pseudo-choline groups such as diethylaminoethyl through affinity rather than ionic interactions. The aim of the current study was to develop a novel method for purifying these recombinant proteins, produced in Escherichia coli cells. Diethylaminoethyl is positively charged and is a weak anion exchanger, but binder of sperm proteins interacts with affinity to this resin. This study presents a new, rapid, and cost-effective purification method that provides with an exceptional purity level, which can be used to study their roles in mammalian fertilization.
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Affiliation(s)
- Samin Sabouhi Zarafshan
- Maisonneuve-Rosemont Hospital Research Centre, Montreal, Quebec, Canada.,Department of Biochemistry and Molecular Medicine, Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada
| | - Puttaswamy Manjunath
- Maisonneuve-Rosemont Hospital Research Centre, Montreal, Quebec, Canada.,Department of Biochemistry and Molecular Medicine, Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada
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12
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Ramesha KP, Mol P, Kannegundla U, Thota LN, Gopalakrishnan L, Rana E, Azharuddin N, Mangalaparthi KK, Kumar M, Dey G, Patil A, Saravanan K, Behera SK, Jeyakumar S, Kumaresan A, Kataktalware MA, Prasad TSK. Deep Proteome Profiling of Semen of Indian Indigenous Malnad Gidda (Bos indicus) Cattle. J Proteome Res 2020; 19:3364-3376. [DOI: 10.1021/acs.jproteome.0c00237] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kerekoppa P. Ramesha
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | - Praseeda Mol
- Institute of Bioinformatics, International Technology Park, Bangalore 560066, India
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - Uday Kannegundla
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | | | - Lathika Gopalakrishnan
- Institute of Bioinformatics, International Technology Park, Bangalore 560066, India
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
- Manipal Academy of Higher Education, Madhav Nagar, Manipal 576104, India
| | - Ekta Rana
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | - Nizamuddin Azharuddin
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | - Kiran K Mangalaparthi
- Institute of Bioinformatics, International Technology Park, Bangalore 560066, India
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - Manish Kumar
- Institute of Bioinformatics, International Technology Park, Bangalore 560066, India
| | - Gourav Dey
- Institute of Bioinformatics, International Technology Park, Bangalore 560066, India
| | - Arun Patil
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
| | - Kumar Saravanan
- Proteomics Facility, Thermo Fisher Scientific India Pvt. Ltd., Bangalore 560066, India
| | - Santosh Kumar Behera
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, India
| | - Sakthivel Jeyakumar
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | - Arumugam Kumaresan
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
| | - Mukund A. Kataktalware
- Southern Regional Station, ICAR-National Dairy Research Institute, Bangalore 560030, India
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13
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Ramal-Sanchez M, Bernabo N, Tsikis G, Blache MC, Labas V, Druart X, Mermillod P, Saint-Dizier M. Progesterone induces sperm release from oviductal epithelial cells by modifying sperm proteomics, lipidomics and membrane fluidity. Mol Cell Endocrinol 2020; 504:110723. [PMID: 31972329 DOI: 10.1016/j.mce.2020.110723] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 02/06/2023]
Abstract
The sperm reservoir is formed after insemination in mammals, allowing sperm storage in the oviduct until their release. We previously showed that physiological concentrations of progesterone (P4) trigger in vitro the sperm release from bovine oviductal epithelial cells (BOECs), selecting a subpopulation of spermatozoa with a higher fertilizing competence. Here, by using Western-Blot, confocal microscopy and Intact Cell MALDI-TOF-Mass Spectrometry strategies, we elucidated the changes derived by the P4-induced release on sperm cells (BOEC-P4 spz). Our findings show that, compared to controls, BOEC-P4 spz presented a decrease in the abundance of Binder of Sperm Proteins (BSP) -3 and -5, suggesting one mechanism by which spermatozoa may detach from BOECs, and thus triggering the membrane remodeling with an increase of the sperm membrane fluidity. Furthermore, an interesting number of membrane lipids and proteins were differentially abundant in BOEC-P4 spz compared with controls.
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Affiliation(s)
- Marina Ramal-Sanchez
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France; Faculty of Bioscience and Technology for Food, Agriculture and Environment, Università degli Studi di Teramo, Italy.
| | - Nicola Bernabo
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, Università degli Studi di Teramo, Italy
| | - Guillaume Tsikis
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France
| | - Marie-Claire Blache
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France
| | - Valerie Labas
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France; Plate-forme de Chirurgie et d'Imagerie pour la Recherche et l'Enseignement (CIRE), Pôle d'Analyse et d'Imagerie des Biomolécules (PAIB), INRA, CHRU de Tours, Université de Tours, Nouzilly, France
| | - Xavier Druart
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France
| | - Pascal Mermillod
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France
| | - Marie Saint-Dizier
- Physiologie de la Reproduction et des Comportements (PR China) UMR85, INRA, CNRS, 7247, IFCE, Nouzilly, France; Université de Tours, Faculté des Sciences et des Techniques, Tours, France
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14
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Pereira GR, de Lazari FL, Dalberto PF, Bizarro CV, Sontag ER, Koetz Junior C, Menegassi SRO, Barcellos JOJ, Bustamante-Filho IC. Effect of scrotal insulation on sperm quality and seminal plasma proteome of Brangus bulls. Theriogenology 2020; 144:194-203. [DOI: 10.1016/j.theriogenology.2020.01.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 01/06/2020] [Accepted: 01/08/2020] [Indexed: 12/13/2022]
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15
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Codognoto VM, Yamada PH, Schmith RA, Rydygier de Ruediger F, de Paula Freitas-Dell'Aqua C, de Souza FF, Brochine S, do Carmo LM, Vieira AF, Oba E. Cross comparison of seminal plasma proteins from cattle and buffalo (Bubalus bubalis). Reprod Domest Anim 2019; 55:81-92. [PMID: 31733131 DOI: 10.1111/rda.13589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/25/2019] [Accepted: 11/13/2019] [Indexed: 11/27/2022]
Abstract
The objective of this study was to evaluate seminal plasma proteins from cattle and buffalo (Bubalus bubalis), to identify differences between related species. Sixteen buffaloes and 16 cattle between 30 and 60 months of age were used. Semen collection was performed by electroejaculation, followed by macroscopic and microscopic subjective analyses. After analysis, the samples were centrifuged at 800 g for 10 min, and the supernatant (seminal plasma) was recentrifuged at 10,000 g for 30 min at 4°C. The total protein concentration was determined by the Bradford method, and the proteins were digested in solution for mass spectrometry (nLC-MS/MS). Multivariate statistical analysis was used to evaluate the proteomics results by non-hierarchical clustering the considering exponentially modified protein abundance index (emPAI). Principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were used for clustering. Proteomics identified 78 proteins, and multivariate analysis showed 4 that were over-expressed in buffaloes (cystatin C, prosaposin, peptide YY and keratin type II cytoskeletal 5) and 9 in cattle (spermadhesin-1, seminal plasma protein PDC-109, ribonuclease 4, metalloproteinase inhibitor 2, acrosin inhibitor 1, seminal ribonuclease, C-type natriuretic peptide, angiogenin-1 and osteopontin). Among the proteins identified in seminal plasma, the C-type natriuretic peptide and metalloproteinase inhibitors were described for the first time in buffaloes. Some protease inhibitors were found over-expressed in buffaloes, and important proteins in seminal plasma of cattle were not identified or were found at lower expression levels in buffaloes, which can contribute to reproductive performance in this species.
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Affiliation(s)
- Viviane Maria Codognoto
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Paulo Henrique Yamada
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Rúbia Alves Schmith
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Felipe Rydygier de Ruediger
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Camila de Paula Freitas-Dell'Aqua
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Fabiana Ferreira de Souza
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Suzane Brochine
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Lucas Monteiro do Carmo
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Andressa Filaz Vieira
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
| | - Eunice Oba
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil
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16
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Anzar M, Rajapaksha K, Boswall L. Egg yolk-free cryopreservation of bull semen. PLoS One 2019; 14:e0223977. [PMID: 31613900 PMCID: PMC6793947 DOI: 10.1371/journal.pone.0223977] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 10/02/2019] [Indexed: 11/18/2022] Open
Abstract
Egg yolk is a common ingredient of mammalian semen extender to protect sperm against initial cold shock. However, egg yolk has biosecurity risks. Our main objectives were to cryopreserve bull semen without egg yolk using exogenous cholesterol and to study the protective role of glycerol in egg yolk-free semen extender. Other objectives were to compare protein profiles and in vitro fertilization potential of bull sperm frozen with and without egg yolk. In first experiment, semen was either diluted in conventional tris-egg yolk glycerol (TEYG control) extender or first treated with cholesterol-cyclodextrin complex (CC, 2 mg/ml semen) followed by dilution in egg yolk-free tris-glycerol (TG) extender (collectively called as "CC+TG") at 22°C or 4°C, and frozen. Post-thaw sperm motion characteristics were similar between CC+TG and TEYG control extenders, and temperature of glycerol addition. In second experiment, semen was frozen in CC+TG extender varying in glycerol concentration (7 to 0%; v/v). Post-thaw sperm quality decreased with the decline in glycerol concentration in TG extender, even higher concentration of CC complex (3 or 4 mg/ml semen) could not protect sperm in the absence of glycerol in TG extender. In third experiment, SDS electrophoresis of proteins from fresh sperm and sperm frozen in CC+TG, and TEYG control extenders was conducted. Protein profiles in fresh sperm and CC+TG frozen sperm were almost similar. Egg yolk proteins bound tightly with sperm plasma membrane. In fourth experiment, in vitro fertilization potentials of sperm frozen in TEYG control and CC+TG extenders were tested. Cleavage and blastocyst rates of semen frozen in CC+TG and TEYG control extenders were similar. In conclusion, cholesterol-cyclodextrin replaced egg yolk from the semen extender; glycerol remained essential for egg yolk-free sperm cryopreservation; and CC+TG extender did not modify sperm plasma membrane CC+TG whereas egg yolk extender changed the plasma membrane composition of bull sperm.
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Affiliation(s)
- Muhammad Anzar
- Agriculture and Agri-Food Canada, Saskatoon Research and Development Center, Saskatoon, Saskatchewan, Canada
- Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- * E-mail: ,
| | - Kosala Rajapaksha
- Agriculture and Agri-Food Canada, Saskatoon Research and Development Center, Saskatoon, Saskatchewan, Canada
| | - Lyle Boswall
- Agriculture and Agri-Food Canada, Saskatoon Research and Development Center, Saskatoon, Saskatchewan, Canada
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17
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Pini T, de Graaf SP, Druart X, Tsikis G, Labas V, Teixeira-Gomes AP, Gadella BM, Leahy T. Binder of Sperm Proteins 1 and 5 have contrasting effects on the capacitation of ram spermatozoa. Biol Reprod 2019; 98:765-775. [PMID: 29415221 DOI: 10.1093/biolre/ioy032] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 02/01/2018] [Indexed: 11/13/2022] Open
Abstract
Binder of Sperm Proteins (BSPs) are the most abundant seminal plasma protein family in the ram and bull. They have been extensively studied in the bull but less is known about their function in ovine seminal plasma and current knowledge suggests that BSPs may have different effects in these two species. In the bull, they facilitate capacitation and destabilize the sperm membrane during in vitro handling, whereas in the ram, they appear to stabilize the sperm membrane and prevent cryopreservation-induced capacitation-like changes. Further investigation into the effects of BSPs on ram spermatozoa under capacitating conditions is required to further clarify their physiological roles in the ram. We investigated the effects of Binder of Sperm Proteins 1 and 5 on epididymal ram spermatozoa in conditions of low, moderate, and high cAMP. BSPs had minimal effects on sperm function in low-cAMP conditions, but caused significant changes under cAMP upregulation. BSP1 stabilized the membrane and qualitatively reduced protein tyrosine phosphorylation, but significantly increased cholesterol efflux and induced spontaneous acrosome reactions. BSP5 slightly increased spontaneous acrosome reactions and caused sperm necrosis. However, BSP5 had minimal effects on membrane lipid order and cholesterol efflux and did not inhibit protein tyrosine phosphorylation. These findings demonstrate that under maximal cAMP upregulation, BSP1 affected ram spermatozoa in a manner comparable to bull spermatozoa, while BSP5 did not.
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Affiliation(s)
- Taylor Pini
- School of Life and Environmental Sciences, Faculty of Science, University of Sydney, Sydney, New South Wales, Australia
| | - Simon P de Graaf
- School of Life and Environmental Sciences, Faculty of Science, University of Sydney, Sydney, New South Wales, Australia
| | - Xavier Druart
- Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique, Le Centre National de la Recherche Scientifique, Institut Francais du Cheval et de L'Equitation, Université de Tours, Nouzilly, France
| | - Guillaume Tsikis
- Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique, Le Centre National de la Recherche Scientifique, Institut Francais du Cheval et de L'Equitation, Université de Tours, Nouzilly, France
| | - Valerie Labas
- Plate-forme de Chirurgie et Imagerie pour la Recherche et l'Enseignement, Pôle d'Analyse et d'Imagerie des Biomolécules, Institut National de la Recherche Agronomique, Nouzilly, France
| | - Ana Paula Teixeira-Gomes
- Plate-forme de Chirurgie et Imagerie pour la Recherche et l'Enseignement, Pôle d'Analyse et d'Imagerie des Biomolécules, Institut National de la Recherche Agronomique, Nouzilly, France
| | - Barend M Gadella
- Department of Farm Animal Health and Biochemistry and Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Tamara Leahy
- School of Life and Environmental Sciences, Faculty of Science, University of Sydney, Sydney, New South Wales, Australia
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18
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Welke RW, Haralampiev I, Schröter F, Braun BC, Herrmann A, Sieben C, Müller P. Inhibition of influenza virus activity by the bovine seminal plasma protein PDC-109. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2019; 48:503-511. [PMID: 31222413 DOI: 10.1007/s00249-019-01374-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/12/2019] [Accepted: 06/09/2019] [Indexed: 12/19/2022]
Abstract
A number of viruses causing sexually transmissible diseases are transmitted via mammalian seminal plasma. Several components of seminal plasma have been shown to influence those viruses and their physiological impact. To unravel whether components of seminal plasma could affect viruses transmitted via other pathways, it was investigated here whether the bovine seminal plasma protein PDC-109, belonging to the Fn-type 2 protein family, influences the activity of influenza A viruses, used as a model for enveloped viruses. We found that PDC-109 inhibits the fusion of influenza virus with human erythrocyte membranes and leads to a decreased viral infection in MDCK cells. In the presence of the head group of the phospholipid phosphatidylcholine, phosphorylcholine, the inhibitory effect of PDC-109 was attenuated. This indicates that the impact of the protein is mainly caused by its binding to viral and to erythrocyte membranes thereby interfering with virus-cell binding. Our study underlines that Fn-type 2 proteins have to be considered as new antiviral components present in mammalian seminal plasma.
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Affiliation(s)
- Robert-William Welke
- Institute for Biology, Humboldt-Universität zu Berlin, Invalidenstr. 42, 10115, Berlin, Germany.,Department of Intracellular Proteolysis, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Str. 10, 13125, Berlin, Germany
| | - Ivan Haralampiev
- Institute for Biology, Humboldt-Universität zu Berlin, Invalidenstr. 42, 10115, Berlin, Germany.,Department of Crystallography, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Str. 10, 13125, Berlin, Germany
| | - Filip Schröter
- Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany.,Department of Cardiovascular Surgery, Heart Center Brandenburg, Brandenburg Medical School "Theodor-Fontane", Ladeburger Straße 17, 16321, Bernau, Germany
| | - Beate C Braun
- Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany
| | - Andreas Herrmann
- Institute for Biology, Humboldt-Universität zu Berlin, Invalidenstr. 42, 10115, Berlin, Germany
| | - Christian Sieben
- Institute for Biology, Humboldt-Universität zu Berlin, Invalidenstr. 42, 10115, Berlin, Germany. .,Laboratory for Experimental Biophysics, School of Basic Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland.
| | - Peter Müller
- Institute for Biology, Humboldt-Universität zu Berlin, Invalidenstr. 42, 10115, Berlin, Germany.
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19
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The ideal holding time for boar semen is 24 h at 17 °C prior to short-cryopreservation protocols. Cryobiology 2019; 86:58-64. [DOI: 10.1016/j.cryobiol.2018.12.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 11/20/2018] [Accepted: 12/13/2018] [Indexed: 02/04/2023]
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20
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Abstract
SummarySpermatogenesis is a dynamic process that culminates in the production of mature spermatozoa in the seminiferous tubules of sexually mature animals. Although sperm leaving the testis are fully differentiated, they must further undergo two additional maturation steps before acquiring the capability to fertilize the egg. Such processes take place during the epididymal residency and transport in the seminal fluid during ejaculation and, after delivery into the female reproductive tract, during the journey aiming the encountering the egg in the oviduct. Throughout this trip, spermatozoa are exposed to different reproductive fluids whose molecular compositions regulate the progress towards obtaining a fertilized competent cell. This review summarizes the evidence obtained so far supporting the participation of male and female reproductive tract-derived proteins in the modulation of sperm fertilizing ability and discusses the mechanisms by which such regulation may be accomplished.
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21
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Proteomic landscape of seminal plasma associated with dairy bull fertility. Sci Rep 2018; 8:16323. [PMID: 30397208 PMCID: PMC6218504 DOI: 10.1038/s41598-018-34152-w] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 09/18/2018] [Indexed: 12/19/2022] Open
Abstract
Male fertility is the ability of sperm to fertilize the egg and sustain embryo development. Several factors determine the fertilizing capacity of mammalian sperm, including those intrinsic to sperm and components of the seminal plasma. The present study analyzed the seminal fluid proteome of Bos taurus and potential associations between proteins and fertility scores. Mass spectrometry coupled with nano HPLC allowed the identification of 1,159 proteins in the dairy bull seminal plasma. There were 50 and 29 seminal proteins more abundant in high (HF) low fertility (LF) bulls, respectively. Based on multivariate analysis, C-type natriuretic peptide, TIMP-2, BSP5 and sulfhydryl oxidase indicated relationship with HF bulls. Clusterin, tissue factor pathway inhibitor 2, galectin-3-binding protein and 5′-nucleotidase were associated with LF bulls. Abundance of NAD(P)(+)-arginine ADP-ribosyltransferase, prosaposin and transmembrane protein 2 proteins had the highest positive correlations with fertility ranking. Quantities of vitamin D-binding protein, nucleotide exchange factor SIL1 and galectin-3-binding protein showed the highest negative correlations with fertility ranking. A fertility ranking score was calculated and the relationship with these proteins was significant (Spearman’s rho = 0.94). The present findings represent a major and novel contribution to the study of bovine seminal proteins. Indicators of fertility can be used to improve reproductive biotechnologies.
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22
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Codognoto VM, Yamada PH, Schmith RA, de Ruediger FR, Scott C, de Faria Lainetti P, Brochine S, de Paula Freitas-Dell'Aqua C, de Souza FF, Oba E. Functional insights into the role of seminal plasma proteins on sperm motility of buffalo. Anim Reprod Sci 2018; 195:251-258. [PMID: 29884323 DOI: 10.1016/j.anireprosci.2018.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/24/2018] [Accepted: 06/01/2018] [Indexed: 12/29/2022]
Abstract
The objective of the present study was to describe the proteins from the seminal plasma of buffalo and correlate these proteins with sperm motility. Ejaculates from sixteen Murrah buffalo were used. Semen collection was performed by electroejaculation, and the ejaculate was evaluated by macroscopic (volume) and microscopic analysis (subjective motility and vigor, as well as sperm concentration). After the analysis, the samples were centrifuged (800g for 10 min and 10,000 for 30 min at 4 °C), and the supernatant (seminal plasma) was used to determine total protein concentration by the Bradford method. Based on total protein concentration, an aliquot (50 μg) was taken to conduct protein in-solution digestion for nano-LC-ESI-Q-TOF mass spectrometry analysis. Samples were divided into two groups, minimal (little sperm motility) and greater (typical sperm motility), based on non-hierarchical clustering considering motility and emPAI protein value. The data were analyzed by multivariate statistical analysis using principal component analysis (PCA) and partial analysis of minimum squares discrimination (PLS-DA). Forty-eight proteins were detected in the seminal plasma, and fifteen were common to two groups. There were six proteins that were significantly different between the groups. The main functions of proteins in seminal plasma were catalytic and binding activity. Spermadhesin protein, ribonuclease, 14-3-3 protein zeta/delta and acrosin inhibitor were in greater amounts in seminal plasma from the group with greater sperm motility; prosaposin and peptide YY were in greater amounts in the group with little sperm motility. The proteins detected in the greater motility group were correlated with sperm protection, including protection against oxidative stress, lipid peroxidation, protease inhibition and prevention of premature capacitation and acrosome reaction. In the group with little sperm motility, one of the identified proteins is considered to be an antifertility factor, whereas the function of other identified protein is not definitive. Results from the present study add to the knowledge base about the molecular processes related with sperm motility, and these findings can be used for determining potential markers of semen quality.
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Affiliation(s)
- Viviane Maria Codognoto
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil.
| | - Paulo Henrique Yamada
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Rúbia Alves Schmith
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Felipe Rydygier de Ruediger
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Caroline Scott
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Patrícia de Faria Lainetti
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Suzane Brochine
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Camila de Paula Freitas-Dell'Aqua
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Fabiana Ferreira de Souza
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
| | - Eunice Oba
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Department of Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
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23
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Baek S, Lee ST, Hwang JY, Park KH, Yun JI. Identification of capacitation inducers customized to sperm retrieved from inbred mouse epididymis. Biochem Biophys Res Commun 2017; 488:273-277. [DOI: 10.1016/j.bbrc.2017.04.152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 04/29/2017] [Indexed: 12/12/2022]
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24
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Albuquerque RS, Morais R, Reis AN, Miranda MS, Dias EAR, Monteiro FM, Paz CCP, Nichi M, Kawai GKV, Della'Aqua CPF, Papa FO, Viana RB, Gimenes LU. Comparison of two methods of seminal plasma removal on buffalo (Bubalus bubalis) sperm cryopreservation. Reprod Domest Anim 2017; 52:905-910. [DOI: 10.1111/rda.12992] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 04/04/2017] [Indexed: 11/27/2022]
Affiliation(s)
- RS Albuquerque
- Departamento de Medicina Veterinária Preventiva e Reprodução Animal; Universidade Estadual Paulista; Jaboticabal Brasil
| | - R Morais
- Central de Biotecnologia da Reprodução Animal; Universidade Federal do Pará; Castanhal Brasil
| | - AN Reis
- Central de Biotecnologia da Reprodução Animal; Universidade Federal do Pará; Castanhal Brasil
| | - MS Miranda
- Central de Biotecnologia da Reprodução Animal; Universidade Federal do Pará; Castanhal Brasil
| | - EAR Dias
- Centro APTA Bovinos de Corte; Instituto de Zootecnia; Sertãozinho Brasil
| | - FM Monteiro
- Centro APTA Bovinos de Corte; Instituto de Zootecnia; Sertãozinho Brasil
| | - CCP Paz
- Centro APTA Bovinos de Corte; Instituto de Zootecnia; Sertãozinho Brasil
| | - M Nichi
- Departamento de Reprodução Animal; Universidade de São Paulo; São Paulo Brasil
| | - GKV Kawai
- Departamento de Reprodução Animal; Universidade de São Paulo; São Paulo Brasil
| | - CPF Della'Aqua
- Departamento de Reprodução Animal e Radiologia Veterinária; Universidade Estadual Paulista; Botucatu Brasil
| | - FO Papa
- Departamento de Reprodução Animal e Radiologia Veterinária; Universidade Estadual Paulista; Botucatu Brasil
| | - RB Viana
- Instituto da Saúde e Produção Animal; Universidade Federal Rural da Amazônia; Belém Brasil
| | - LU Gimenes
- Departamento de Medicina Veterinária Preventiva e Reprodução Animal; Universidade Estadual Paulista; Jaboticabal Brasil
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25
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Campanholi SP, Monteiro FM, Ribeiro Dias EA, Mercadante MEZ, de Paz CCP, Dell'Aqua Junior JA, Papa FO, Dell'Aqua CDPF, Vantini R, Garcia JM. Effect of seminal plasma removal before cryopreservation of bovine semen obtained by electroejaculation on semen quality and in vitro fertility. Theriogenology 2017; 89:114-121. [DOI: 10.1016/j.theriogenology.2016.10.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 10/03/2016] [Accepted: 10/09/2016] [Indexed: 02/06/2023]
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26
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Rego JPA, Martins JM, Wolf CA, van Tilburg M, Moreno F, Monteiro-Moreira AC, Moreira RA, Santos DO, Moura AA. Proteomic analysis of seminal plasma and sperm cells and their associations with semen freezability in Guzerat bulls1. J Anim Sci 2016; 94:5308-5320. [DOI: 10.2527/jas.2016-0811] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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27
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Le Guillou J, Ropers MH, Gaillard C, David-Briand E, van Leeuwen-Ibarrola J, Desherces S, Schmitt E, Bencharif D, Amirat-Briand L, Anton M, Tainturier D. Sequestration of bovine seminal plasma proteins by different assemblies of phosphatidylcholine: A new technical approach. Colloids Surf B Biointerfaces 2016; 140:523-530. [PMID: 26628332 DOI: 10.1016/j.colsurfb.2015.11.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 10/23/2015] [Accepted: 11/16/2015] [Indexed: 11/25/2022]
Abstract
Binder of SPerm (BSP) proteins, the main proteins from bovine seminal plasma, are known to partially intercalate into the outer leaflet of the spermatozoa membrane and bind to choline-containing lipids being present therein. This insertion generates a negative effect on semen quality after cryopreservation by inducing an early-stage capacitation of spermatozoa. The assumption of surface properties exhibited by BSP proteins was checked by tensiometry measurements: BSP proteins are highly surface active. This suggests that BSP proteins can reach the interface covered by phospholipids not only by interactions between one and each other but also due to their own surface activity. The insertion of BSP proteins into the lipid domains outer leaflet of spermatozoa was reproduced on a biomimetic system such as Langmuir monolayers. The insertion of BSP proteins can be performed in the compressible fluid domains which contain choline-bearing lipids. Monolayer films were used as well to study the complexation of BSP proteins by two phospholipid assemblies: low density lipoprotein (LDLs) from egg yolk or liposomes produced from egg phospholipids. Irrespective of the phospholipid structure (lipoprotein or liposome), BSP was hindered to alter the structure of the membrane. Only the overall ratio BSP proteins:phosphatidylcholine was important. The difference between the two sequestering agents lies on their surface properties: LDL have a strong tendency to merge with the outer layer whereas liposomes mainly remain in the bulk on the same time scale.
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Affiliation(s)
- J Le Guillou
- UPSP Risques sanitaires lies aux biotechnologies de la reproduction, ONIRIS, Nantes-Atlantic College of Veterinary Medicine and Food Science, Nantes, France; IMV Technologies, L'Aigle, France
| | - M-H Ropers
- INRA, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France.
| | - C Gaillard
- INRA, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France
| | - E David-Briand
- INRA, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France
| | | | | | | | - D Bencharif
- UPSP Risques sanitaires lies aux biotechnologies de la reproduction, ONIRIS, Nantes-Atlantic College of Veterinary Medicine and Food Science, Nantes, France
| | - L Amirat-Briand
- UPSP Risques sanitaires lies aux biotechnologies de la reproduction, ONIRIS, Nantes-Atlantic College of Veterinary Medicine and Food Science, Nantes, France
| | - M Anton
- INRA, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France
| | - D Tainturier
- UPSP Risques sanitaires lies aux biotechnologies de la reproduction, ONIRIS, Nantes-Atlantic College of Veterinary Medicine and Food Science, Nantes, France
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28
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Leahy T, Gadella BM. New insights into the regulation of cholesterol efflux from the sperm membrane. Asian J Androl 2016; 17:561-7. [PMID: 25926609 PMCID: PMC4492045 DOI: 10.4103/1008-682x.153309] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Cholesterol is an essential component of the mammalian plasma membrane because it promotes membrane stability without comprising membrane fluidity. Given this important cellular role, cholesterol levels are tightly controlled at multiple levels. It has been clearly shown that cholesterol redistribution and depletion from the sperm membrane is a key part of the spermatozoon's preparation for fertilization. Some factors that regulate these events are described (e.g., bicarbonate, calcium) but the mechanisms underlying cholesterol export are poorly understood. How does a hydrophobic cholesterol molecule inserted in the sperm plasma membrane enter the energetically unfavorable aqueous surroundings? This review will provide an overview of knowledge in this area and highlight our gaps in understanding. The overall aim is to better understand cholesterol redistribution in the sperm plasma membrane, its relation to the possible activation of a cholesterol transporter and the role of cholesterol acceptors. Armed with such knowledge, sperm handling techniques can be adapted to better prepare spermatozoa for in vitro and in vivo fertilization.
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Affiliation(s)
| | - Bart M Gadella
- Department of Farm Animal Health and of Biochemistry and Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 2, 3584 CM Utrecht, The Netherlands
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29
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Aitken RJ, Flanagan HM, Connaughton H, Whiting S, Hedges A, Baker MA. Involvement of homocysteine, homocysteine thiolactone, and paraoxonase type 1 (
PON
‐1) in the etiology of defective human sperm function. Andrology 2016; 4:345-60. [DOI: 10.1111/andr.12157] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Revised: 12/06/2015] [Accepted: 12/12/2015] [Indexed: 01/01/2023]
Affiliation(s)
- R. J. Aitken
- Priority Research Centre for Reproductive Science Discipline of Biological Sciences Faculty of Science and IT and Hunter Medical Institute University of Newcastle CallaghanNSW Australia
| | - H. M. Flanagan
- Priority Research Centre for Reproductive Science Discipline of Biological Sciences Faculty of Science and IT and Hunter Medical Institute University of Newcastle CallaghanNSW Australia
| | - H. Connaughton
- Priority Research Centre for Reproductive Science Discipline of Biological Sciences Faculty of Science and IT and Hunter Medical Institute University of Newcastle CallaghanNSW Australia
| | - S. Whiting
- Priority Research Centre for Reproductive Science Discipline of Biological Sciences Faculty of Science and IT and Hunter Medical Institute University of Newcastle CallaghanNSW Australia
| | - A. Hedges
- Hunter IVF John Hunter Hospital New Lambton Heights NSW Australia
| | - M. A. Baker
- Priority Research Centre for Reproductive Science Discipline of Biological Sciences Faculty of Science and IT and Hunter Medical Institute University of Newcastle CallaghanNSW Australia
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30
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Souza ALP, Lima GL, Peixoto GCX, de Souza Castelo T, Oliveira MGC, de Paula VV, Silva AR. Sperm characteristics following freezing in extenders supplemented with whole egg yolk and different concentrations of low-density lipoproteins in the collared peccary (Pecari tajacu). Reprod Biol 2015; 15:223-8. [DOI: 10.1016/j.repbio.2015.10.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 10/06/2015] [Accepted: 10/07/2015] [Indexed: 11/28/2022]
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31
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Somashekar L, Selvaraju S, Parthipan S, Ravindra JP. Profiling of sperm proteins and association of sperm PDC-109 with bull fertility. Syst Biol Reprod Med 2015; 61:376-87. [DOI: 10.3109/19396368.2015.1094837] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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32
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Rodríguez-Villamil P, Hoyos-Marulanda V, Martins JAM, Oliveira AN, Aguiar LH, Moreno FB, Velho ALMCS, Monteiro-Moreira AC, Moreira RA, Vasconcelos IM, Bertolini M, Moura AA. Purification of binder of sperm protein 1 (BSP1) and its effects on bovine in vitro embryo development after fertilization with ejaculated and epididymal sperm. Theriogenology 2015; 85:540-54. [PMID: 26553567 DOI: 10.1016/j.theriogenology.2015.09.044] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 09/17/2015] [Accepted: 09/18/2015] [Indexed: 12/25/2022]
Abstract
The present study evaluated functional aspects of binder of sperm 1 (BSP1) in the bovine species. In a first experiment, cumulus-oocyte complexes (n = 1274) were incubated with frozen-thawed ejaculated sperm (18 hours) in Fert-TALP medium containing: heparin, 10, 20, or 40 μg/mL BSP1. Heparin followed by gelatin affinity chromatography was used for purification of BSP1 from bovine seminal vesicle fluid. With ejaculated sperm, cleavage rates were similar when Fert-TALP medium was incubated with heparin (74.1 ± 2.7%), 10 μg/mL BSP1 (77.8 ± 3.1%), or 20 μg/mL BSP1 (74 ± 2.0%). Day-7 blastocyst rates were equivalent after incubations with heparin (40.8 ± 5.0%) and 10 μg/mL BSP1 (34.1 ± 4.4%), but reduced after 20 μg/mL BSP1 (22.4 ± 2.9%) and 40 μg/mL BSP1 (19.3 ± 4.1%; P < 0.05). In the second experiment, cumulus-oocyte complexes (n = 1213) were incubated with frozen-thawed cauda epididymal sperm (18 hours) in Fert-TALP medium containing: no heparin, heparin, 10, 20, or 40 μg/mL. Cleavage and blastocyst rates were similar after treatments with heparin (68.5 ± 1.3% and 24.7 ± 3.2%, respectively) or without heparin (65.5 ± 1.8% and 27.3 ± 1.6%, respectively). Cleavage was higher after treatment with any BSP1 concentrations (74.2 ± 2.7%-79.0 ± 1.1%) than without heparin (P < 0.05). Also, cleavage was better after Fert-TALP medium incubation with 40 μg/mL BSP1 (79.0 ± 1.1%) than with heparin (68.5 ± 1.3%; P < 0.05). Embryo development was higher (P < 0.05) after treatment with 20 μg/mL BSP1 (35.6 ± 2.5%) and 40 μg/mL (41.1 ± 2%) than after incubations with heparin (24.7 ± 3.2%) or without heparin (27.3 ± 1.6%). Interestingly, BSP1 did not cause reductions in blastocyst rates after fertilization with epididymal sperm, as observed with ejaculated sperm. On the basis of immunocytochemistry, there was BSP1 binding to frozen-thawed ejaculated but not to epididymal sperm. Also, anti-BSP1 reaction remained on ejaculated sperm (as expected) and appeared on epididymal sperm after incubation with purified BSP1. Acrosome reaction of ejaculated and epididymal sperm was induced after incubation with purified BSP1 as well, indicating an effect of BSP1 on capacitation. In conclusion, purified BSP1 from bull seminal vesicles was able to bind to and induce capacitation of ejaculated and epididymal sperm. Also, BSP1 added to fertilization media and allowed proper cleavage and embryo development, with the effects being modulated by previous exposure or not of spermatozoa to seminal plasma.
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Affiliation(s)
- P Rodríguez-Villamil
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil
| | - V Hoyos-Marulanda
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil
| | - J A M Martins
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil
| | - A N Oliveira
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil
| | - L H Aguiar
- Molecular and Developmental Biology Laboratory, University of Fortaleza, Fortaleza, Brazil
| | - F B Moreno
- School of Pharmacy, University of Fortaleza, Fortaleza, Brazil
| | - A L M C S Velho
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil
| | | | - R A Moreira
- School of Pharmacy, University of Fortaleza, Fortaleza, Brazil
| | - I M Vasconcelos
- Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, Brazil
| | - M Bertolini
- Molecular and Developmental Biology Laboratory, University of Fortaleza, Fortaleza, Brazil
| | - A A Moura
- Animal Physiology Laboratory, Department of Animal Science, Federal University of Ceara, Fortaleza, Brazil.
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33
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Evolution and function of mammalian binder of sperm proteins. Cell Tissue Res 2015; 363:105-127. [DOI: 10.1007/s00441-015-2289-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Accepted: 08/26/2015] [Indexed: 01/28/2023]
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34
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Plante G, Lusignan MF, Lafleur M, Manjunath P. Interaction of milk proteins and Binder of Sperm (BSP) proteins from boar, stallion and ram semen. Reprod Biol Endocrinol 2015; 13:92. [PMID: 26272219 PMCID: PMC4536704 DOI: 10.1186/s12958-015-0093-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 08/06/2015] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Mammalian semen contains a family of closely related proteins known as Binder of SPerm (BSP proteins) that are added to sperm at ejaculation. BSP proteins extract lipids from the sperm membrane thereby extensively modifying its composition. These changes can ultimately be detrimental to sperm storage. We have demonstrated that bovine BSP proteins interact with major milk proteins and proposed that this interaction could be the basis of sperm protection by milk extenders. In the present study, we investigated if homologous BSP proteins present in boar, stallion and ram seminal plasma display a similar affinity for the milk proteins in order to assess whether the mechanism of sperm protection by milk for these species could be general. METHODS Skim milk was incubated with seminal plasma proteins (boar, stallion and ram), chromatographed on a Sepharose CL-4B column and protein fractions were analyzed by immunoblotting. RESULTS Boar, stallion and ram BSP proteins displayed affinity for a milk protein fraction (F1) mainly composed of α-lactalbumin, β-lactoglobulin, and κ-casein. They also had affinity for another milk protein fraction (F2) composed mostly of casein micelles. However, stallion BSP showed higher affinity for the fraction (F1). CONCLUSIONS These results further extend our view that the association of BSP proteins with milk proteins could be a general feature of the mechanism of mammalian sperm protection by milk to prevent detrimental effect of prolonged exposure of sperm to seminal plasma.
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Affiliation(s)
- Geneviève Plante
- Department of Medicine, Université de Montréal, C.P. 6128, Succ. Centre Ville, Montréal, Québec, Canada, H3C 3J7.
- Maisonneuve-Rosemont Hospital Research Center, 5415 L'Assomption blvd, Montréal, Québec, Canada, H1T 2M4.
| | - Marie-France Lusignan
- Department of Medicine, Université de Montréal, C.P. 6128, Succ. Centre Ville, Montréal, Québec, Canada, H3C 3J7.
- Maisonneuve-Rosemont Hospital Research Center, 5415 L'Assomption blvd, Montréal, Québec, Canada, H1T 2M4.
| | - Michel Lafleur
- Department of Chemistry, Center for Self-Assembled Chemical Structures, Université de Montréal, C.P. 6128, Succ. Centre Ville, Montréal, Québec, Canada, H3C 3J7.
| | - Puttaswamy Manjunath
- Department of Medicine, Université de Montréal, C.P. 6128, Succ. Centre Ville, Montréal, Québec, Canada, H3C 3J7.
- Maisonneuve-Rosemont Hospital Research Center, 5415 L'Assomption blvd, Montréal, Québec, Canada, H1T 2M4.
- Puttaswamy Manjunath, Maisonneuve-Rosemont Hospital Research Center, 5415 L'Assomption blvd, Montréal, Québec, Canada, H1T 2M4.
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35
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Jois PS, Plante G, Thérien I, Manjunath P. Functional characterization of the domains of the bovine binder of SPerm 5 (BSP5) protein. Reprod Biol Endocrinol 2015; 13:64. [PMID: 26084664 PMCID: PMC4476173 DOI: 10.1186/s12958-015-0058-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 06/02/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Bovine BSP5 is a multifunctional protein primarily involved in sperm capacitation. BSP5 consists of long N-terminal part followed by two similar and highly conserved fibronectin type II domains designated A and B. METHODS In order to assess the role of these domains in the sperm binding and capacitation processes, we created recombinant individual domains (N, A, B), series of overlapping domains (NA and AB) and full-length BSP5 in an Escherichia coli expression system. The recombinant constructs were also tested for their ability to interact with ligands such as gelatine, heparin, chondroitin sulphate B and phosphatidylcholine liposomes by affinity chromatography and co-sedimentation studies. RESULTS With the exception of the N domain, all recombinant constructs retained gelatine, phosphatidylcholine, heparin and chondroitin sulphate B binding activities. Domain-wise studies showed clearly that AB domain is capable of performing its biological functions as well as the full-length protein, as it was able to potentiate heparin-mediated sperm capacitation. CONCLUSIONS These results indicate that the C-terminal domain composed of two Fn2 domains is sufficient and crucial to maintain the biological functions of BSP proteins. The N-terminal part of the protein did not bind to any of known BSP5-ligands including epididymal sperm and did not seem to be required for either sperm binding or sperm capacitation. This study also confirmed that glycosylation is not required for BSP-mediated sperm capacitation or any of the binding characteristics displayed by BSP5.
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Affiliation(s)
| | - Geneviève Plante
- Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada.
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, University of Montreal, Quebec, Canada.
| | - Isabelle Thérien
- Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada.
| | - Puttaswamy Manjunath
- Maisonneuve-Rosemont Hospital Research Centre, Montreal, QC, Canada.
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, University of Montreal, Quebec, Canada.
- Department of Medicine, Faculty of Medicine, University of Montreal, Quebec, Canada.
- Maisonneuve-Rosemont Hospital Research Center, 5415 l'Assomption blvd, Montreal, QC, H1T 2 M4, Canada.
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36
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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] [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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Alghamdi AS, Madill S, Foster DN, Troedsson MHT. Equine sperm-neutrophil binding. Biol Reprod 2015; 92:94. [PMID: 25695722 DOI: 10.1095/biolreprod.114.122655] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 02/16/2015] [Indexed: 11/01/2022] Open
Abstract
When mares are inseminated repeatedly, protein molecules from the seminal plasma (SP) prevent sperm-neutrophil binding and reduced fertility. The molecule(s) responsible for sperm-neutrophil binding is not known and the identification of beneficial SP proteins is complicated by their large numbers and abundant variation. We examined several important aspects of sperm-neutrophil binding to ultimately facilitate the identification and isolation of the molecule(s) responsible. First, we raised anti-equine P-selectin antibodies to determine the involvement of this adhesion molecule in sperm-neutrophil binding. While these antibodies identified equine P-selectin, they did not inhibit sperm-neutrophil binding. However, acrosome-reacted equine sperm expressed a molecule similar to the ligand recognition unit of P-selectin. Second, we attempted to characterize SP protein binding to equine sperm and gauge their affinity. Biotinylated SP proteins were incubated with fresh sperm, washed over a viscous medium, electrophoresed, and probed with avidin. Several SP proteins bound to sperm with a strong affinity to withstand these treatments. This finding may prove valuable for future attempts to identify and characterize specific SP molecules. Lastly, we compared the secretions from male sex organs/glands on sperm motility, sperm-neutrophil binding, and their protein profile. We expected fewer proteins from individual organs/glands, which would facilitate isolation and identification of target molecules. While each secretion had a varying effect on motility and sperm-neutrophil binding, the protein profile was as complex as that seen in whole SP, indicating that collection of proteins from individual sources will not facilitate this work. Together, these experiments answer several important questions related to sperm-neutrophil binding, sperm-SP proteins interaction, and the complexity of the SP proteome.
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Affiliation(s)
- Abdorrahman S Alghamdi
- Departments of Agriculture and Natural Resources, University of Minnesota Crookston, Crookston, Minnesota
| | - Scott Madill
- Veterinary Population Medicine, University of Minnesota Twin Cities, St. Paul, Minnesota
| | - Douglas N Foster
- Animal Science, University of Minnesota Twin Cities, St. Paul, Minnesota
| | - Mats H T Troedsson
- Gluck Equine Research Center, University of Kentucky, Lexington, Kentucky
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Abstract
Previous studies have demonstrated that sperm head morphometry can be used as a potential diagnostic tool for detecting biophysical changes associated with sperm viability in bovine spermatozoa. In this study, sperm head morphometry was used to investigate its value as a biophysical marker for detecting volumetric changes in bovine spermatozoa under in vitro capacitating and non-capacitating incubation conditions. To further test this hypotesis, aliquots of pooled, washed bovine sperm were incubated in either Tyrode's complete medium with heparin (TCMH; a capacitating medium containing Ca2+, NaHCO3 and heparin), Tyrode's complete medium heparin-free (TCM; a medium containing just Ca2+ and NaHCO3) or Tyrode's basal medium (TBM; a non-capacitating medium free of Ca2+, NaHCO3 and heparin, used as control). Aliquots of sperm were processed for morphometric analysis at different incubation-time intervals (0, 3 and 6 h at 38°C), and the chlortetracycline assay was used simultaneously to confirm the ability of the sperm to undergo capacitation (B pattern) and the acrosome reaction (AR pattern) status in each medium. After 3 h of incubation under TCMH conditions, a significant increase was observed in the percentage of B and AR patterns and a significant decrease was found in all sperm morphometric parameters (P<0.01). Interestingly, after 6 h of incubation in TCMH, the percentage of B and AR patterns increased drastically over time and marked differences were found in the dimensional and shape parameters, which were significantly smaller compared with TBM or TCM media (P<0.001). Significant correlations were observed between sperm size and AR pattern (r=-0.875, P<0.01). In conclusion, sperm head morphometry can be used as a potential biophysical marker for detecting volumetric changes during capacitation process in bovine spermatozoa.
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Rego J, Crisp J, Moura A, Nouwens A, Li Y, Venus B, Corbet N, Corbet D, Burns B, Boe-Hansen G, McGowan M. Seminal plasma proteome of electroejaculated Bos indicus bulls. Anim Reprod Sci 2014; 148:1-17. [DOI: 10.1016/j.anireprosci.2014.04.016] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 04/16/2014] [Accepted: 04/30/2014] [Indexed: 12/30/2022]
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Sousa FML, Lobo CH, Menezes ESB, Rego JPA, Oliveira RV, Lima-Souza AC, Fioramonte M, Gozzo FC, Pompeu RCFF, Cândido MJD, Oliveira JT, Moura AA. Parameters of the reproductive tract, spermatogenesis, daily sperm production and major seminal plasma proteins of tropically adapted morada nova rams. Reprod Domest Anim 2014; 49:409-19. [PMID: 24716618 DOI: 10.1111/rda.12288] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Accepted: 01/13/2014] [Indexed: 12/23/2022]
Abstract
This study describes the reproductive parameters of Morada Nova rams, a breed of hair sheep from Brazil and with unique adaption to tropical environments. At 42 weeks of age, 15 rams were subjected to semen collection and, 1 week later, animals were slaughtered for collection of testes, epididymis and accessory sex glands. We conducted 2-D electrophoresis of seminal plasma proteins and major spots of stained gels were identified by LC-MS/MS. Total RNA was isolated from testis, epididymis and vesicular glands and subjected to qPCR. At slaughter, scrotal circumference and testicular weight were 27.5 ± 0.5 cm and 109.5 ± 6.0 g, respectively. Seminiferous tubule (ST) diameter was 188.3 ± 4.0 μm and each testis contained 1.9 ± 0.1 Sertoli cells (×10(9) ). Each Sertoli cell supported 0.1 ± 0.01 A spermatogonia, 3.0 ± 0.2 pachytene spermatocytes and 7.7 ± 0.5 round spermatids/tubule cross section. Daily sperm production reached 5.6 × 10(6) cells/g of testis parenchyma. Testis size appeared as indicative of ST diameter and associated with epididymal measurements, as well as with the population of round spermatids and Sertoli cells/testis. Rams with heavier testes had greater daily sperm production and more Sertoli cells/testis. We detected 90.9 ± 9.6 spots per 2-D gel of seminal plasma. Major seminal proteins were identified as ram seminal vesicle proteins at 14 and 22 kDa, representing 16.2% and 12.8% of the total intensity of valid spots in the gels, respectively. Expression of both genes was greater in the vesicular glands as compared to testis and epididymis. Pixel intensity for those proteins in the 2-D gels was significantly correlated with seminal vesicle weight. This is the first description of the basic reproductive aspects of Morada Nova rams, including protein profiles of their seminal plasma. These findings will allow a better understanding of their reproductive physiology.
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Affiliation(s)
- F M L Sousa
- Department of Animal Science, Federal University of Ceará, Fortaleza, Brazil
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41
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Singh M, Ghosh S, Prasad J, Kumar A, Tripathi R, Bhure S, Srivastava N. Seminal PDC-109 protein vis-à-vis cholesterol content and freezability of buffalo Spermatozoa. Anim Reprod Sci 2014; 144:22-9. [DOI: 10.1016/j.anireprosci.2013.10.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 10/22/2013] [Accepted: 10/25/2013] [Indexed: 10/26/2022]
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42
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Park YJ, Kim J, You YA, Pang MG. Proteomic Revolution to Improve Tools for Evaluating Male Fertility in Animals. J Proteome Res 2013; 12:4738-47. [DOI: 10.1021/pr400639x] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yoo-Jin Park
- Department
of Animal Science
and Technology, Chung-Ang University, Anseong, Gyeonggi-do 456-756, Korea
| | - Jin Kim
- Department
of Animal Science
and Technology, Chung-Ang University, Anseong, Gyeonggi-do 456-756, Korea
| | - Young-Ah You
- Department
of Animal Science
and Technology, Chung-Ang University, Anseong, Gyeonggi-do 456-756, Korea
| | - Myung-Geol Pang
- Department
of Animal Science
and Technology, Chung-Ang University, Anseong, Gyeonggi-do 456-756, Korea
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43
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Angrimani DSR, Lucio CF, Veiga GAL, Silva LCG, Regazzi FM, Nichi M, Vannucchi CI. Sperm maturation in dogs: sperm profile and enzymatic antioxidant status in ejaculated and epididymal spermatozoa. Andrologia 2013; 46:814-9. [DOI: 10.1111/and.12154] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2013] [Indexed: 11/28/2022] Open
Affiliation(s)
- D. S. R. Angrimani
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - C. F. Lucio
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - G. A. L. Veiga
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - L. C. G. Silva
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - F. M. Regazzi
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - M. Nichi
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
| | - C. I. Vannucchi
- Department of Animal Reproduction; Faculty of Veterinary Medicine; University of São Paulo; São Paulo Brazil
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Srivastava N, Jerome A, Srivastava S, Ghosh S, Kumar A. Bovine seminal PDC-109 protein: An overview of biochemical and functional properties. Anim Reprod Sci 2013; 138:1-13. [DOI: 10.1016/j.anireprosci.2013.02.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 11/21/2012] [Accepted: 02/09/2013] [Indexed: 12/23/2022]
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45
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Srivastava N, Srivastava SK, Ghosh SK, Jerome A, Das GK, Mehrotra S. Sequestration of PDC-109 Protein by Specific Antibodies and Egg Yolk Cryoprotects Bull Spermatozoa. Reprod Domest Anim 2013; 48:724-31. [DOI: 10.1111/rda.12151] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Accepted: 01/07/2013] [Indexed: 11/30/2022]
Affiliation(s)
- N Srivastava
- Animal Reproduction Division; Indian Veterinary Research Institute; Izatnagar; UP; India
| | - SK Srivastava
- Animal Reproduction Division; Indian Veterinary Research Institute; Izatnagar; UP; India
| | - SK Ghosh
- Animal Reproduction Division; Indian Veterinary Research Institute; Izatnagar; UP; India
| | - A Jerome
- Central Institute for Research on Buffaloes; Hisar; Hariana; UP; India
| | - GK Das
- Animal Reproduction Division; Indian Veterinary Research Institute; Izatnagar; UP; India
| | - S Mehrotra
- Animal Reproduction Division; Indian Veterinary Research Institute; Izatnagar; UP; India
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46
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Chemical and physical requirements for lipid extraction by bovine binder of sperm BSP1. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2013; 1828:543-51. [DOI: 10.1016/j.bbamem.2012.08.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 08/20/2012] [Accepted: 08/23/2012] [Indexed: 11/19/2022]
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47
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Sánchez-Luengo S, Aumüller G, Albrecht M, Sen PC, Röhm K, Wilhelm B. Interaction of PDC-109, the Major Secretory Protein From Bull Seminal Vesicles, With Bovine Sperm Membrane Ca2+-ATPase. ACTA ACUST UNITED AC 2013; 25:234-44. [PMID: 14760009 DOI: 10.1002/j.1939-4640.2004.tb02783.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
PDC-109 is the prevalent secretory protein from bovine seminal vesicles that binds to the midpiece of sperm once they pass the ampulla of the vas deferens during emission. Thereby, the protein changes biophysical membrane properties, eventually resulting in increased sperm motility. To elucidate the underlying biochemical mechanism, we have studied the ion-pumping activity (Ca(2+)-ATPase) in membrane preparations of bovine spermatozoa following in vitro incubation with the protein and analyzed whether PDC-109 influences sperm motility. PDC-109 was purified to homogeneity from bull seminal vesicle extracts using a newly described method. The effect of PDC-109 on sperm motility was analyzed using the CASA-method. These experiments clearly demonstrated that PDC-109 significantly increases sperm motility. Calcium-pumping mechanisms were analyzed by monitoring the effect of PDC-109 on various parameters of enzyme activity of Ca(2+)-ATPase in epididymal sperm plasma membranes and were compared with Ca(2+)-ATPase activities from other organs and from epididymal sperm of different species, respectively. Specificity studies were performed using different Ca(2+)-antagonists. Enzyme activities of both Mg(2+)-dependent and Mg(2+)-independent Ca(2+)-ATPases increased in a dose-dependent manner following the addition of the PDC-109 (range 5-20 microg). Preincubation of PDC-109 at temperatures above 37 degrees C and pHs ranging from below 6.5 and above 8.5 led to the loss of the stimulatory effect. An analysis of enzyme kinetics pointed to irreversible, cooperative interaction of PDC-109 with the enzyme. The effect was organ-specific, that is, restricted to sperm ATPases, but it was not species-specific, as it could be elicited also in rat sperm.
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48
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Effects of low-density lipoproteins extracted from different avian yolks on boar spermatozoa quality following freezing–thawing. ZYGOTE 2012. [DOI: 10.1017/s096719941200041x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
SummaryLow-density lipoproteins (LDL) is known to protect boar sperm during freezing–thawing, but little information is known about the effects of LDL extracted from different avian egg yolks on post-thaw boar semen quality. The purpose of this study was to compare and analyze the effects of LDL at various concentrations and different species on boar sperm quality after freezing–thawing. LDL extracted from the yolk of hen egg, duck egg, quail egg, pigeon egg or ostrich egg was added to the extender at the concentrations of 0.06, 0.07, 0.08, 0.09 and 0.1 g/ml, respectively, and their effects on frozen–thawed boar sperm quality were assessed. According to all measured parameters, the results showed that sperm motility, acrosome integrity and plasma membrane integrity were 43.20%, 52.57% and 48.13%, respectively, after being frozen–thawed with 0.09 g/ml LDL extracted from pigeon egg yolk. All these quality parameters were higher than that of other groups (P < 0.05). In conclusion, our results confirmed that LDL extracted from pigeon egg yolk had the best cryoprotective effects on frozen–thawed boar sperm among all of the groups supplemented with LDL from five kinds of avian egg in extender. The optimum concentration of LDL extracted from pigeon egg in boar semen freezing extender was 0.09 g/ml.
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49
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Byrne K, Leahy T, McCulloch R, Colgrave ML, Holland MK. Comprehensive mapping of the bull sperm surface proteome. Proteomics 2012; 12:3559-79. [DOI: 10.1002/pmic.201200133] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 07/23/2012] [Accepted: 09/10/2012] [Indexed: 12/27/2022]
Affiliation(s)
| | | | - Russell McCulloch
- CSIRO Food Futures National Research Flagship; Division of Livestock Industries; Queensland Biosciences Precinct; St. Lucia; Queensland; Australia
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50
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Leahy T, de Graaf SP. Seminal plasma and its effect on ruminant spermatozoa during processing. Reprod Domest Anim 2012; 47 Suppl 4:207-13. [PMID: 22827372 DOI: 10.1111/j.1439-0531.2012.02077.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Seminal plasma can both inhibit and stimulate sperm function, making its use as a supportive medium somewhat contradictory. These effects are directed by the multifunctional action of numerous inorganic and organic components, but it is the direct association of seminal plasma proteins with the sperm membrane that is thought to exert the most significant response. In vitro handling of spermatozoa in preparation for artificial insemination may involve washing, dilution, cooling, freezing, re-warming and sex-sorting. These processes can alter proteins of the sperm surface and reduce seminal plasma in the sperm environment. This, among other factors, may destabilize the sperm membrane and reduce the fertilizable lifespan of spermatozoa. Such handling-induced damage may be prevented or reversed through supplementation of seminal plasma, but the effectiveness of this technique differs with species, and the source and subsequent treatment of both spermatozoa and seminal plasma. Seminal plasma appears to act as a protective medium during in vitro processing of ram spermatozoa, but this does not appear to be the case for bull spermatozoa. The reasons for this divergent effect will be discussed with particular emphasis on the influence of the major proteins of ruminant seminal plasma, known as BSP proteins. The biochemical and biophysical properties of these proteins are well documented, and this information has provided greater insight into the signalling pathways of capacitation and the protective action of extender components.
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Affiliation(s)
- T Leahy
- Faculty of Science, School of Veterinary Science, University of Queensland, Gatton, QLD, Australia.
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