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Paes VM, de Figueiredo JR, Ryan PL, Willard ST, Feugang JM. Comparative Analysis of Porcine Follicular Fluid Proteomes of Small and Large Ovarian Follicles. BIOLOGY 2020; 9:biology9050101. [PMID: 32429601 PMCID: PMC7285177 DOI: 10.3390/biology9050101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/16/2020] [Accepted: 05/06/2020] [Indexed: 12/21/2022]
Abstract
Ovarian follicular fluid is widely used for in vitro oocyte maturation, but its in-depth characterization to extract full beneficial effects remains unclear. Here, we performed both shotgun (nanoscale liquid chromatography coupled to tandem mass spectrometry or nanoLC-MS/MS) and gel-based (two dimension-differential in-gel electrophoresis or 2D-DIGE) proteomics, followed by functional bioinformatics to compare the proteomes of follicular fluids collected from small (<4 mm) and large (>6-12 mm) follicles of pig ovaries. A total of 2321 unique spots were detected with the 2D-DIGE across small and large follicles, while 2876 proteins with 88% successful annotations were detected with the shotgun approach. The shotgun and 2D-DIGE approaches revealed about 426 and 300 proteins that were respectively common across samples. Six proteins detected with both technical approaches were significantly differently expressed between small and large follicles. Pathways such as estrogen and PI3K-Akt signaling were significantly enriched in small follicles while the complement and coagulation cascades pathways were significantly represented in large follicles. Up-regulated proteins in small follicles were in favor of oocyte maturation, while those in large follicles were involved in the ovulatory process preparation. Few proteins with potential roles during sperm-oocyte interactions were especially detected in FF of large follicles and supporting the potential role of the ovarian FF on the intrafallopian sperm migration and interaction with the oocyte.
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Affiliation(s)
- Victor M. Paes
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS 39759, USA; (V.M.P.); (P.L.R.); (S.T.W.)
- Laboratory of Manipulation of Oocyte and Preantral follicles, State University of Ceará, CEP, 60740 903 Fortaleza, Brazil;
| | - José R. de Figueiredo
- Laboratory of Manipulation of Oocyte and Preantral follicles, State University of Ceará, CEP, 60740 903 Fortaleza, Brazil;
| | - Peter L. Ryan
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS 39759, USA; (V.M.P.); (P.L.R.); (S.T.W.)
| | - Scott T. Willard
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS 39759, USA; (V.M.P.); (P.L.R.); (S.T.W.)
| | - Jean M. Feugang
- Department of Animal and Dairy Sciences, Mississippi State University, Starkville, MS 39759, USA; (V.M.P.); (P.L.R.); (S.T.W.)
- Correspondence: ; Tel.: +662-325-7567; Fax: +662-325-8873
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Paes VM, Liao SF, Figueiredo JR, Willard ST, Ryan PL, Feugang JM. Proteome changes of porcine follicular fluid during follicle development. J Anim Sci Biotechnol 2019; 10:94. [PMID: 31827787 PMCID: PMC6902611 DOI: 10.1186/s40104-019-0400-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 10/18/2019] [Indexed: 12/19/2022] Open
Abstract
Background Ovarian follicular fluid influences follicle and oocyte growth, but the fluctuation of its protein content during folliculogenesis has not been comprehensively analyzed. Here we used a shotgun approach and bioinformatics analyses to investigate and compare the proteomes of porcine follicular fluid (pFF) obtained from small (< 4 mm), medium (4–6 mm) and large (> 6–12 mm) follicles. Results Follicular fluid samples containing highest estrogen levels were selected as non-atretic from small (SNA: 26.1 ± 15 ng/mL), medium (MNA: 162 ± 54 ng/mL), and large (LNA: 290 ± 37 ng/mL) follicles for proteomic analyses. We detected 1627, 1699, and 1756 proteins in SNA, MNA, and LNA samples, respectively. Nearly 60–63% of total proteins were specific to each sample, 11–13% were shared in pairwise comparisons, and 247 proteins were shared among all samples. Functional categorization indicated comparable gene ontology (GO) terms distribution per cellular component, molecular function, and biological process categories across samples; however, the ranking of highly significantly enriched GO terms per category revealed differences between samples. The patterns of protein-to-protein interactions varied throughout follicle development, and proteins such as serine protease inhibitor, clade E (SERPINE); plasminogen activator, urokinase (PLAU); and plasminogen activator, urokinase receptor (PLAUR) appeared stage-specific to SNA, MNA, and LNA, respectively. The “complement and coagulation cascades” was the common major pathway. Besides, properdin and fibulin-1 were abundant proteins that appeared absent in LNA samples. Conclusion This study provides extensive and functional analyses of the pFF proteome changes during folliculogenesis and offers the potential for novel biomarker discovery in pFF for oocyte quality assessment.
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Affiliation(s)
- Victor M Paes
- 1Department of Animal and Dairy Sciences, Mississippi State University, 4025 Wise Center, PO Box 9815, Starkville, Mississippi State MS 39762 USA.,2Laboratory of Manipulation of Oocyte and Preantral follicles, State University of Ceará, Fortaleza, CE Brazil
| | - Shengfa F Liao
- 1Department of Animal and Dairy Sciences, Mississippi State University, 4025 Wise Center, PO Box 9815, Starkville, Mississippi State MS 39762 USA
| | - Jose R Figueiredo
- 2Laboratory of Manipulation of Oocyte and Preantral follicles, State University of Ceará, Fortaleza, CE Brazil
| | - Scott T Willard
- 1Department of Animal and Dairy Sciences, Mississippi State University, 4025 Wise Center, PO Box 9815, Starkville, Mississippi State MS 39762 USA
| | - Peter L Ryan
- 1Department of Animal and Dairy Sciences, Mississippi State University, 4025 Wise Center, PO Box 9815, Starkville, Mississippi State MS 39762 USA
| | - Jean M Feugang
- 1Department of Animal and Dairy Sciences, Mississippi State University, 4025 Wise Center, PO Box 9815, Starkville, Mississippi State MS 39762 USA
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Alternariol disturbs oocyte maturation and preimplantation development. Mycotoxin Res 2019; 36:93-101. [PMID: 31473931 DOI: 10.1007/s12550-019-00372-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 08/17/2019] [Accepted: 08/22/2019] [Indexed: 12/16/2022]
Abstract
Alternariol (AOH) is produced by fungi of the genus Alternaria and can be found in fruits, vegetables, and grains. Besides the oestrogenic activity demonstrated in vitro, this mycotoxin causes DNA damage and cell cycle arrest. Based on this, the effect of AOH was investigated on porcine female gametes during in vitro maturation and subsequent initial embryo development. A first experiment assessed a dose-response effect of AOH (5, 10, or 20 μmol/l) on cumulus expansion and in vitro oocyte nuclear maturation, in the presence or absence of follicular fluid (FF). A second experiment evaluated the effect of AOH (5, 10, or 20 μmol/l) exposure during porcine oocyte maturation, initial embryo development, or both periods, on preimplantation embryo development. Although FF protected oocytes from the deleterious effect of AOH, it did not avoid a decrease in cumulus cells expansion (5 μmol/l AOH regardless of the presence of FF). Moreover, exposure to AOH resulted in the degeneration of oocytes (10 μmol/l AOH in the absence of FF) and the occurrence of nuclear aberrations in mature oocytes (10 μmol/l AOH in the absence of FF and 20 μmol/l AOH in the presence of FF). Exposure to 5 μmol/l AOH during oocyte in vitro maturation was sufficient to impair initial embryo development.
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Kumar S, Balhara AK, Buragohain L, Kumar R, Sharma RK, Phulia SK, Mohanty AK, Singh I. Identification of novel proteomics markers involved in ovarian endocrinology of riverine buffalo ( Bubalus bubalis). BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1658061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Sunil Kumar
- Division of Animal Reproduction, ICAR-IVRI, Izatnagar, India
| | | | - Lukumoni Buragohain
- Department of Animal Biotechnology, College of Veterinary Science, AAU, Guwahati, India
| | - Rajesh Kumar
- Department of Veterinary Physiology, Kerala Veterinary and Animal Sciences University, Pookot, India
| | | | | | | | - Inderjeet Singh
- Division of Animal Physiology and Reproduction, ICAR-CIRB, Hisar, India
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Dutra GA, Ishak GM, Pechanova O, Pechan T, Peterson DG, Jacob JCF, Willard ST, Ryan PL, Gastal EL, Feugang JM. Seasonal variation in equine follicular fluid proteome. Reprod Biol Endocrinol 2019; 17:29. [PMID: 30841911 PMCID: PMC6404268 DOI: 10.1186/s12958-019-0473-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 02/26/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Proteomic studies of follicular fluid (FF) exist for several species, including the horse; however, the seasonal influence on FF proteome has not been explored in livestock. The application of high-throughput proteomics of FF in horse has the potential to identify seasonal variations of proteins involved in follicle and oocyte growth. METHODS This study (i) profiles the proteomes of equine FF collected from dominant growing follicles during the spring anovulatory season (SAN), and spring (SOV), summer (SUM), and fall (FOV) ovulatory seasons; and (ii) identifies season-dependent regulatory networks and associated key proteins. RESULTS Regardless of season, a total of 90 proteins were identified in FF, corresponding to 63, 72, 69, and 78 proteins detected in the SAN, SOV, SUM, and FOV seasons, respectively. Fifty-two proteins were common to all seasons, a total of 13 were unique to either season, and 25 were shared between two seasons or more. Protein-to-protein interaction (PPI) analysis indicated the likely critical roles of plasminogen in the SAN season, the prothrombin/plasminogen combination in SUM, and plasminogen/complement C3 in both SOV and FOV seasons. The apolipoprotein A1 appeared crucial in all seasons. The present findings show that FF proteome of SUM differs from other seasons, with FF having high fluidity (low viscosity). CONCLUSIONS The balance between the FF contents in prothrombin, plasminogen, and coagulation factor XII proteins favoring FF fluidity may be crucial at the peak of the ovulatory season (SUM) and may explain the reported lower incidence of hemorrhagic anovulatory follicles during the SUM season.
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Affiliation(s)
- G A Dutra
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA
- Department of Reproduction and Animal Evaluation, Federal Rural University of Rio de Janeiro, Seropédica, Brazil
| | - G M Ishak
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA
- Department of Surgery and Obstetrics, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq
| | - O Pechanova
- Institute for Genomics, Biocomputing and Bioinformatics, University, Mississippi State, Oxford, MS, USA
| | - T Pechan
- Institute for Genomics, Biocomputing and Bioinformatics, University, Mississippi State, Oxford, MS, USA
| | - D G Peterson
- Institute for Genomics, Biocomputing and Bioinformatics, University, Mississippi State, Oxford, MS, USA
| | - J C F Jacob
- Department of Reproduction and Animal Evaluation, Federal Rural University of Rio de Janeiro, Seropédica, Brazil
| | - S T Willard
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, 4025 Wise Center, PO Box 9815, Mississippi State, MS, 39762, USA
| | - P L Ryan
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, 4025 Wise Center, PO Box 9815, Mississippi State, MS, 39762, USA
| | - E L Gastal
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA
| | - J M Feugang
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, 4025 Wise Center, PO Box 9815, Mississippi State, MS, 39762, USA.
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Moulder R, Bhosale SD, Goodlett DR, Lahesmaa R. Analysis of the plasma proteome using iTRAQ and TMT-based Isobaric labeling. MASS SPECTROMETRY REVIEWS 2018; 37:583-606. [PMID: 29120501 DOI: 10.1002/mas.21550] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 09/26/2017] [Indexed: 05/23/2023]
Abstract
Over the past decade, chemical labeling with isobaric tandem mass tags, such as isobaric tags for relative and absolute quantification reagents (iTRAQ) and tandem mass tag (TMT) reagents, has been employed in a wide range of different clinically orientated serum and plasma proteomics studies. In this review the scope of these works is presented with attention to the areas of research, methods employed and performance limitations. These applications have covered a wide range of diseases, disorders and infections, and have implemented a variety of different preparative and mass spectrometric approaches. In contrast to earlier works, which struggled to quantify more than a few hundred proteins, increasingly these studies have provided deeper insight into the plasma proteome extending the numbers of quantified proteins to over a thousand.
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Affiliation(s)
- Robert Moulder
- Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland
| | - Santosh D Bhosale
- Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland
| | | | - Riitta Lahesmaa
- Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland
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Fowler KE, Mandawala AA, Griffin DK, Walling GA, Harvey SC. The production of pig preimplantation embryos in vitro: Current progress and future prospects. Reprod Biol 2018; 18:203-211. [DOI: 10.1016/j.repbio.2018.07.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/26/2018] [Accepted: 07/01/2018] [Indexed: 02/07/2023]
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Santos G, Bastos H, Sá M, Jacob J, Wolf C, Mattos R, Neves A. Combination of hCG and Deslorelin Acetate on the Induction of Ovulation in Mares: Changes in Follicular Fluid Protein Profile. J Equine Vet Sci 2018. [DOI: 10.1016/j.jevs.2018.05.168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Paula Junior AR, van Tilburg MF, Lobo MD, Monteiro-Moreira AC, Moreira RA, Melo CH, Souza-Fabjan JM, Araújo AA, Melo LM, Teixeira DI, Moura AA, Freitas VJ. Proteomic analysis of follicular fluid from tropically-adapted goats. Anim Reprod Sci 2018; 188:35-44. [DOI: 10.1016/j.anireprosci.2017.11.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 10/20/2017] [Accepted: 11/03/2017] [Indexed: 12/21/2022]
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Appeltant R, Beek J, Maes D, Bijttebier J, Van Steendam K, Nauwynck H, Van Soom A. Hampered cumulus expansion of porcine cumulus-oocyte complexes by excessive presence of alpha 2 -macroglobulin is likely mediated via inhibition of zinc-dependent metalloproteases. Anim Sci J 2017; 88:1279-1290. [PMID: 28124491 DOI: 10.1111/asj.12767] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/02/2016] [Accepted: 10/28/2016] [Indexed: 01/27/2023]
Abstract
In vitro maturation (IVM) in serum causes hampered expansion of porcine cumulus-oocyte complexes (COCs) due to excessive alpha2 -macroglobulin (A2M). This study investigated two hypotheses that could explain the effect of A2M: (i) binding of epidermal growth factor (EGF) to A2M, followed by its decreased availability; and (ii) inhibition of zinc-dependent metalloproteases. Cumulus expansion was evaluated based on the diameter of the COCs, the proportion of COCs participating in a floating cloud and the proportion of COCs with loss of cumulus cells. The first hypothesis of decreased EGF availability was tested by increasing the EGF concentration (20 and 50 ng/mL vs. 10 ng/mL), but was not confirmed because cumulus expansion did not improve. To verify the second hypothesis of inhibited zinc-dependent metalloproteases, the effect of tissue inhibitor of metalloproteases-3 (TIMP-3) on cumulus expansion during IVM with and without A2M was investigated. To immuno-neutralize A2M, serum was pre-incubated with A2M antibodies. Impaired cumulus expansion because of TIMP-3 could only be observed during IVM in 10% of serum with A2M antibodies. No effect of TIMP-3 was observed in medium without A2M antibodies. These results indicate that A2M and TIMP-3 share a common target, a zinc-dependent metalloprotease. Future research is directed toward the identification of the protease involved.
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Affiliation(s)
- Ruth Appeltant
- Division of Animal Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ibaraki, Japan
| | - Josine Beek
- MSD Animal Health Belgium, Brussels, Belgium
| | - Dominiek Maes
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Jo Bijttebier
- Social Science Unit, Institute for Agricultural and Fisheries Research, Merelbeke, Belgium
| | - Katleen Van Steendam
- Laboratory of Pharmaceutical Biotechnology, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Hans Nauwynck
- Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Ann Van Soom
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Appeltant R, Somfai T, Maes D, VAN Soom A, Kikuchi K. Porcine oocyte maturation in vitro: role of cAMP and oocyte-secreted factors - A practical approach. J Reprod Dev 2016; 62:439-449. [PMID: 27349308 PMCID: PMC5081730 DOI: 10.1262/jrd.2016-016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Polyspermy or the penetration of more than one sperm cell remains a problem during porcine in vitro fertilization (IVF). After in
vitro culture of porcine zygotes, only a low percentage of blastocysts develop and their quality is inferior to that of in vivo
derived blastocysts. It is unknown whether the cytoplasmic maturation of the oocyte is sufficiently sustained in current in vitro maturation
(IVM) procedures. The complex interplay between oocyte and cumulus cells during IVM is a key factor in this process. By focusing on this bidirectional
communication, it is possible to control the coordination of cumulus expansion, and nuclear and cytoplasmic maturation during IVM to some extent. Therefore,
this review focuses on the regulatory mechanisms between oocytes and cumulus cells to further the development of new in vitro embryo production
(IVP) procedures, resulting in less polyspermy and improved oocyte developmental potential. Specifically, we focused on the involvement of cAMP in maturation
regulation and function of oocyte-secreted factors (OSFs) in the bidirectional regulatory loop between oocyte and cumulus cells. Our studies suggest that
maintaining high cAMP levels in the oocyte during the first half of IVM sustained improved oocyte maturation, resulting in an enhanced response after IVF and
cumulus matrix disassembly. Recent research indicated that the addition of OSFs during IVM enhanced the developmental competence of small follicle-derived
oocytes, which was stimulated by epidermal growth factor (EGF) via developing EGF-receptor signaling.
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Affiliation(s)
- Ruth Appeltant
- Division of Animal Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ibaraki 305-8602, Japan
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Proteome Profile and Quantitative Proteomic Analysis of Buffalo (Bubalusbubalis) Follicular Fluid during Follicle Development. Int J Mol Sci 2016; 17:ijms17050618. [PMID: 27136540 PMCID: PMC4881444 DOI: 10.3390/ijms17050618] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 04/11/2016] [Accepted: 04/15/2016] [Indexed: 11/17/2022] Open
Abstract
Follicular fluid (FF) accumulates in the antrum of the ovarian follicle and provides the microenvironment for oocyte development. FF plays an important role in follicle growth and oocyte maturation. The FF provides a unique window to investigate the processes occurring during buffalo follicular development. The observed low quality of buffalo oocytes may arise from the poor follicular microenvironment. Investigating proteins found in buffalo FF (BFF) should provide insight into follicular development processes and provide further understanding of intra-follicular maturation and oocytes quality. Here, a proteomic-based approach was used to analyze the proteome of BFF. SDS-PAGE separation combined with mass spectrometry was used to generate the proteomic dataset. In total, 363 proteins were identified and classified by Gene Ontology terms. The proteins were assigned to 153 pathways, including signaling pathways. To evaluate difference in proteins expressed between BFF with different follicle size (small, <4 mm; and large, >8 mm), a quantitative proteomic analysis based on multi-dimensional liquid chromatography pre-fractionation tandem Orbitrap mass spectrometry identification was performed. Eleven differentially expressed proteins (six downregulated and five upregulated in large BFF) were identified and assigned to a variety of functional processes, including serine protease inhibition, oxidation protection and the complement cascade system. Three differentially expressed proteins, Vimentin, Peroxiredoxin-1 and SERPIND1, were verified by Western blotting, consistent with the quantitative proteomics results. Our datasets offers new information about proteins present in BFF and should facilitate the development of new biomarkers. These differentially expressed proteins illuminate the size-dependent protein changes in follicle microenvironment.
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Beek J, Nauwynck H, Appeltant R, Maes D, Van Soom A. Inhibitors of serine proteases decrease sperm penetration during porcine fertilization in vitro by inhibiting sperm binding to the zona pellucida and acrosome reaction. Theriogenology 2015; 84:1378-86. [DOI: 10.1016/j.theriogenology.2015.07.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 05/11/2015] [Accepted: 07/17/2015] [Indexed: 11/29/2022]
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Appeltant R, Somfai T, Nakai M, Bodó S, Maes D, Kikuchi K, Van Soom A. Interactions between oocytes and cumulus cells during in vitro maturation of porcine cumulus-oocyte complexes in a chemically defined medium: Effect of denuded oocytes on cumulus expansion and oocyte maturation. Theriogenology 2015; 83:567-76. [DOI: 10.1016/j.theriogenology.2014.10.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 09/29/2014] [Accepted: 10/25/2014] [Indexed: 11/16/2022]
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Ceciliani F, Restelli L, Lecchi C. Proteomics in farm animals models of human diseases. Proteomics Clin Appl 2014; 8:677-88. [PMID: 24595991 DOI: 10.1002/prca.201300080] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 11/18/2013] [Accepted: 01/14/2014] [Indexed: 12/21/2022]
Abstract
The need to provide in vivo complex environments to understand human diseases strongly relies on the use of animal models, which traditionally include small rodents and rabbits. It is becoming increasingly evident that the few species utilised to date cannot be regarded as universal. There is a great need for new animal species that are naturally endowed with specific features relevant to human diseases. Farm animals, including pigs, cows, sheep and horses, represent a valid alternative to commonly utilised rodent models. There is an ample scope for the application of proteomic techniques in farm animals, and the establishment of several proteomic maps of plasma and tissue has clearly demonstrated that farm animals provide a disease environment that closely resembles that of human diseases. The present review offers a snapshot of how proteomic techniques have been applied to farm animals to improve their use as biomedical models. Focus will be on specific topics of biomedical research in which farm animal models have been characterised through the application of proteomic techniques.
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Affiliation(s)
- Fabrizio Ceciliani
- Department of Veterinary Sciences and Public Health, Università di Milano, Milan, Italy; Interdepartmental Centre for Studies on Mammary Gland, Università di Milano, Milan, Italy
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Proteomes of animal oocytes: what can we learn for human oocytes in the in vitro fertilization programme? BIOMED RESEARCH INTERNATIONAL 2014; 2014:856907. [PMID: 24804254 PMCID: PMC3996292 DOI: 10.1155/2014/856907] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 02/13/2014] [Indexed: 12/18/2022]
Abstract
Oocytes are crucial cells for mammalian reproduction, yet the molecular principles underlying oocyte development are only partially understood. Therefore, contemporary proteomic approaches have been used increasingly to provide new insights into oocyte quality and maturation in various species such as mouse, pig, and cow. Especially, animal studies have helped in elucidating the molecular status of oocytes during in vitro maturation and other procedures of assisted reproduction. The aim of this review is to summarize the literature on mammalian oocyte proteome and secretome research in the light of natural and assisted reproduction and on lessons to be learned for human oocytes, which have so far remained inaccessible for proteome analysis.
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de Almeida AM, Bendixen E. Pig proteomics: A review of a species in the crossroad between biomedical and food sciences. J Proteomics 2012; 75:4296-314. [DOI: 10.1016/j.jprot.2012.04.010] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Revised: 04/04/2012] [Accepted: 04/08/2012] [Indexed: 11/29/2022]
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Fahiminiya S, Labas V, Roche S, Dacheux JL, Gérard N. Proteomic analysis of mare follicular fluid during late follicle development. Proteome Sci 2011; 9:54. [PMID: 21923925 PMCID: PMC3189114 DOI: 10.1186/1477-5956-9-54] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Accepted: 09/17/2011] [Indexed: 12/31/2022] Open
Abstract
Background Follicular fluid accumulates into the antrum of follicle from the early stage of follicle development. Studies on its components may contribute to a better understanding of the mechanisms underlying follicular development and oocyte quality. With this objective, we performed a proteomic analysis of mare follicular fluid. First, we hypothesized that proteins in follicular fluid may differ from those in the serum, and also may change during follicle development. Second, we used four different approaches of Immunodepletion and one enrichment method, in order to overcome the masking effect of high-abundance proteins present in the follicular fluid, and to identify those present in lower abundance. Finally, we compared our results with previous studies performed in mono-ovulant (human) and poly-ovulant (porcine and canine) species in an attempt to identify common and/or species-specific proteins. Methods Follicular fluid samples were collected from ovaries at three different stages of follicle development (early dominant, late dominant and preovulatory). Blood samples were also collected at each time. The proteomic analysis was carried out on crude, depleted and enriched follicular fluid by 2D-PAGE, 1D-PAGE and mass spectrometry. Results Total of 459 protein spots were visualized by 2D-PAGE of crude mare follicular fluid, with no difference among the three physiological stages. Thirty proteins were observed as differentially expressed between serum and follicular fluid. Enrichment method was found to be the most powerful method for detection and identification of low-abundance proteins from follicular fluid. Actually, we were able to identify 18 proteins in the crude follicular fluid, and as many as 113 in the enriched follicular fluid. Inhibins and a few other proteins involved in reproduction could only be identified after enrichment of follicular fluid, demonstrating the power of the method used. The comparison of proteins found in mare follicular fluid with proteins previously identified in human, porcine and canine follicular fluids, led to the identification of 12 common proteins and of several species-specific proteins. Conclusions This study provides the first description of mare follicular fluid proteome during the late follicle development stages. We identified several proteins from crude, depleted and enriched follicular fluid. Our results demonstrate that the enrichment method, combined with 2D-PAGE and mass spectrometry, can be successfully used to visualize and further identify the low-abundance proteins in the follicular fluid.
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Affiliation(s)
- Somayyeh Fahiminiya
- INRA, UMR 6175 Physiologie de la Reproduction et des Comportements, F- 37380 Nouzilly, France.
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