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Jamwal S, Tyagi N, Kumar J, Kaushik JK, Kumar S, Mohanty AK. Simple method for isolation and culture of primary buffalo (Bubalus bubalis) endometrial epithelial cells (pBuEECs) and its characterization using high throughput proteomics approach. Anim Reprod Sci 2024; 263:107449. [PMID: 38490065 DOI: 10.1016/j.anireprosci.2024.107449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/06/2024] [Accepted: 02/23/2024] [Indexed: 03/17/2024]
Abstract
Early embryonic mortality resulting from insufficient interaction between the embryo and the uterus leads to the failure of pregnancy in livestock animals. Thus, it is imperative to comprehend the multifaceted process of implantation at molecular levels, which requires synchronized feto-maternal interaction. The in-vitro models serve as valuable tools to investigate the specific stages of implantation. The present study was undertaken to develop a simple method to isolate and culture the primary buffalo endometrial epithelial cells (pBuEECs), followed by proteome profiling of the proliferating cells. Collagenase I was used to separate uterine epithelial cells (UECs) from the ipsilateral uterine horn, and then the cells were separated using a cell strainer. After being seeded on culture plates, UECs developed colonies with characteristic epithelial shape and expressed important markers such as cytokeratin 18 (KRT18), progesterone receptor (PGR), β-estrogen receptor (ESR1), and leukemia inhibitory factor (LIF), which were confirmed by PCR. The purity of epithelial cells was assessed using cytokeratin 18 immunostaining, which indicated approximately 99% purity in cultured cells. The proteome profiling of pBuEECs via high-throughput tandem mass spectrometry (MS), identified a total of 3383 proteins. Bioinformatics analysis revealed enrichment in various biological processes, including cellular processes, metabolic processes, biological regulation, localization, signaling, and developmental processes. Moreover, the KEGG pathway analysis highlighted associations with the ribosome, proteosome, oxidative phosphorylation, spliceosome, and cytoskeleton regulation pathways. In conclusion, these well characterized cells offer valuable in-vitro model to enhance the understanding of implantation and uterine pathophysiology in livestock animals, particularly buffaloes.
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Affiliation(s)
- Shradha Jamwal
- Animal Biotechnology Centre, Indian Council of Agricultural Research-National Dairy Research Institute, Karnal, India
| | - Nikunj Tyagi
- Animal Biotechnology Centre, Indian Council of Agricultural Research-National Dairy Research Institute, Karnal, India
| | - Jaideep Kumar
- Animal Biotechnology Centre, Indian Council of Agricultural Research-National Dairy Research Institute, Karnal, India
| | - Jai Kumar Kaushik
- Animal Biotechnology Centre, Indian Council of Agricultural Research-National Dairy Research Institute, Karnal, India
| | - Sudarshan Kumar
- Animal Biotechnology Centre, Indian Council of Agricultural Research-National Dairy Research Institute, Karnal, India.
| | - Ashok Kumar Mohanty
- Indian Council of Agricultural Research-Central Institute for Research on Cattle, Meerut, India.
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Codognoto VM, de Souza FF, Cataldi TR, Labate CA, de Camargo LS, Scott C, da Rosa Filho RR, de Carvalho NAT, Oba E. Uterine secretome: What do the proteins say about maternal-fetal communication in buffaloes? J Proteomics 2024; 290:105023. [PMID: 37838095 DOI: 10.1016/j.jprot.2023.105023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/16/2023]
Abstract
The aim was to compare the UF proteomics of pregnant and non-pregnant buffalo during early pregnancy. Forty-four females were submitted to hormonal estrus synchronization and randomly divided into two groups: pregnant (n = 30) and non-pregnant (n = 14). The pregnant group was artificially inseminated and divided into a further two groups: P12 (n = 15) and P18 (n = 15). Conceptus and uterine fluid samples were collected during slaughter at, respectively, 12 and 18 days after insemination. Of all the inseminated females, only eight animals in each group were pregnant, which reduced the sample of the groups to P12 (n = 8) and P18 (n = 8). The non-pregnant group was also re-divided into two groups at the end of synchronization: NP12 (n = 7) and NP18 (n = 7). The UF samples were processed for proteomic analysis. The results were submitted to multivariate and univariate analysis. A total of 1068 proteins were found in the uterine fluid in both groups. Our results describe proteins involved in the conceptus elongation and maternal recognition of pregnancy, and their action was associated with cell growth, endometrial remodeling, and modulation of immune and antioxidant protection, mechanisms necessary for embryonic maintenance in the uterine environment. SIGNIFICANCE: Uterine fluid is a substance synthesized and secreted by the endometrium that plays essential roles during pregnancy in ruminants, contributing significantly to embryonic development. Understanding the functions that the proteins present in the UF perform during early pregnancy, a period marked by embryonic implantation, and maternal recognition of pregnancy is of fundamental importance to understanding the mechanisms necessary for the maintenance of pregnancy. The present study characterized and compared the UF proteome at the beginning of pregnancy in pregnant and non-pregnant buffaloes to correlate the functions of the proteins and the stage of development of the conceptus and unravel their processes in maternal recognition of pregnancy. The proteins found were involved in cell growth and endometrial remodeling, in addition to acting in the immunological protection of the conceptus and performing antioxidant actions necessary for establishing a pregnancy.
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Affiliation(s)
- Viviane Maria Codognoto
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Fabiana Ferreira de Souza
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Thais Regiani Cataldi
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Carlos Alberto Labate
- Laboratório Max Feffer de Genética de Plantas, Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, Piracicaba, Brazil
| | - Laíza Sartori de Camargo
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Caroline Scott
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Roberto Rodrigues da Rosa Filho
- Department of Animal Reproduction - School of Veterinary Medicine and Animal Science, University of São Paulo, campus São Paulo, São Paulo, Brazil
| | - Nélcio Antonio Tonizza de Carvalho
- Research and Development Unit of Registro / Diversified Animal Science Research Center / Institute of Animal Science, Registro, São Paulo, Brazil
| | - Eunice Oba
- Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil.
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Jamwal S, Jena MK, Tyagi N, Kancharla S, Kolli P, Mandadapu G, Kumar S, Mohanty AK. Proteomic Approaches to Unravel the Molecular Dynamics of Early Pregnancy in Farm Animals: An In-Depth Review. J Dev Biol 2023; 12:2. [PMID: 38248867 PMCID: PMC10801625 DOI: 10.3390/jdb12010002] [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: 10/25/2023] [Revised: 12/22/2023] [Accepted: 12/28/2023] [Indexed: 01/23/2024] Open
Abstract
Infertility is a major problem in farm animals, which has a negative economic effect on farm industries. Infertility can be defined as the inability of animals to achieve a successful pregnancy. Early pregnancy is crucial to establish a successful pregnancy, and it is reported that 70-80% and 20-30% of total embryonic loss occur in cattle and pigs, respectively, during the first month of pregnancy. The advanced high-throughput proteomics techniques provide valuable tools for in-depth understanding of the implantation process in farm animals. In the present review, our goal was to compile, assess, and integrate the latest proteomic research on farm animals, specifically focused on female reproduction, which involves endometrial tissues, uterine fluids, oviductal fluids, and microRNAs. The series of studies has provided in-depth insights into the events of the implantation process by unfolding the molecular landscape of the uterine tract. The discussed data are related to pregnant vs. non-pregnant animals, pregnancy vs. oestrous cycle, different days of the early pregnancy phase, and animals with uterine infections affecting reproduction health. Some of the studies have utilized non-invasive methods and in vitro models to decipher the molecular events of embryo-maternal interaction. The proteomics data are valuable sources for discovering biomarkers for infertility in ruminants and new regulatory pathways governing embryo-uterine interaction, endometrium receptivity, and embryonic development. Here, we envisage that the identified protein signatures can serve as potential therapeutic targets and biomarkers to develop new therapeutics against pregnancy diseases.
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Affiliation(s)
- Shradha Jamwal
- Proteomics and Structural Biology Lab, Animal Biotechnology Centre, National Dairy Research Institute, Karnal 132001, Haryana, India; (S.J.); (N.T.); (S.K.)
| | - Manoj Kumar Jena
- Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India;
| | - Nikunj Tyagi
- Proteomics and Structural Biology Lab, Animal Biotechnology Centre, National Dairy Research Institute, Karnal 132001, Haryana, India; (S.J.); (N.T.); (S.K.)
| | - Sudhakar Kancharla
- Devansh Lab Werks, 234 Aquarius Drive, Homewood, AL 35209, USA; (S.K.); (G.M.)
| | - Prachetha Kolli
- Microgen Health Inc., 14225 Sullyfield Cir Suite E, Chantilly, VA 20151, USA;
| | - Gowtham Mandadapu
- Devansh Lab Werks, 234 Aquarius Drive, Homewood, AL 35209, USA; (S.K.); (G.M.)
| | - Sudarshan Kumar
- Proteomics and Structural Biology Lab, Animal Biotechnology Centre, National Dairy Research Institute, Karnal 132001, Haryana, India; (S.J.); (N.T.); (S.K.)
| | - Ashok Kumar Mohanty
- ICAR–Central Institute for Research on Cattle, Meerut Cantt 250001, Uttar Pradesh, India
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Kosior MA, Esposito R, Cocchia N, Piscopo F, Longobardi V, Cacciola NA, Presicce GA, Campanile G, Aardema H, Gasparrini B. Seasonal variations in the metabolomic profile of the ovarian follicle components in Italian Mediterranean Buffaloes. Theriogenology 2023; 202:42-50. [PMID: 36898285 DOI: 10.1016/j.theriogenology.2023.02.022] [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: 11/10/2022] [Revised: 02/15/2023] [Accepted: 02/18/2023] [Indexed: 03/05/2023]
Abstract
The aim of this work was to evaluate the seasonal effect on the metabolomic profile of the ovarian follicle in Italian Mediterranean buffalo to unravel the causes of the reduced competence during the non-breeding season (NBS). Samples of follicular fluid, follicular cells, cumulus cells and oocytes were collected from abattoir-derived ovaries during breeding season (BS) and NBS and analyzed by 1H Nuclear Magnetic Resonance. The Orthogonal Projections to Latent Structures of the Discriminant Analysis showed clear separation into seasonal classes and Variable Importance in Projection method identified differentially abundant metabolites between seasons. Seasonal differences were recorded in metabolite content in all analyzed components suggesting that the decreased oocyte competence during NBS may be linked to alteration of several metabolic pathways. The pathway enrichment analysis revealed that differences in the metabolites between the seasons were linked to glutathione, energy generating and amino acid metabolism and phospholipid biosynthesis. The current work allows the identification of potential positive competence markers in the follicular fluid as glutathione, glutamate, lactate and choline, and negative markers like leucine, isoleucine and β-hydroxybutyrate. These results form a major basis to develop potential strategies to optimize the follicular environment and the IVM medium to improve the competence of oocytes during the NBS.
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Affiliation(s)
- Michal Andrzej Kosior
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | - Riccardo Esposito
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | - Natascia Cocchia
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy.
| | - Federica Piscopo
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | - Valentina Longobardi
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | - Nunzio Antonio Cacciola
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | | | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
| | - Hilde Aardema
- Department of Farm Animal Health, Faculty of Veterinary Medicine - Utrecht University, Yalelaan 7, 3584 CL, Utrecht, the Netherlands
| | - Bianca Gasparrini
- Department of Veterinary Medicine and Animal Production - Federico II University, Via F. Delpino 1, 80137, Naples, Italy
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Capra E, Kosior MA, Cocchia N, Lazzari B, Del Prete C, Longobardi V, Pizzi F, Stella A, Frigerio R, Cretich M, Consiglio AL, Gasparrini B. Variations of follicular fluid extracellular vesicles miRNAs content in relation to development stage and season in buffalo. Sci Rep 2022; 12:14886. [PMID: 36050481 PMCID: PMC9437019 DOI: 10.1038/s41598-022-18438-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022] Open
Abstract
In buffalo (Bubalus bubalis) reproductive seasonality, causing cycles of milk production, is one of the major factors affecting farming profitability. Follicular fluid (FF) contains extracellular vesicles (EVs) playing an important role in modulating oocyte developmental competence and carrying microRNAs (miRNAs) essential for in vitro fertilization outcomes. The aim of this work was to characterize the FF-EVs-miRNA cargo of antral (An) and preovulatory (pO) follicles collected in the breeding (BS) and non-breeding (NBS) seasons, to unravel the molecular causes of the reduced oocyte competence recorded in buffalo during the NBS. In total, 1335 miRNAs (538 known Bos taurus miRNAs, 324 homologous to known miRNAs from other species and 473 new candidate miRNAs) were found. We identified 413 differentially expressed miRNAs (DE-miRNAs) (FDR < 0.05) between An and pO groups. A subset of the most significant DE-miRNAs between An and pO groups targets genes which function is related to the lipid and steroid metabolism, response to glucocorticoid and oestradiol stimulus. Comparison between BS and NBS showed 14 and 12 DE-miRNAs in An-FF-EVs and pO-FF-EVs, which regulate IL6 release and cellular adhesion, respectively. In conclusion, these results demonstrated that the miRNA cargo of buffalo FF-EVs varies in relation to both follicular development and season.
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Affiliation(s)
- Emanuele Capra
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Via Einstein 1, 26900, Lodi, Italy
| | - Michal Andrzej Kosior
- Dipartimento di Medicina Veterinaria e Produzioni Animali (DMVPA), Università degli Studi di Napoli Federico II, Via F. Delpino 1, 80137, Napoli, Italy
| | - Natascia Cocchia
- Dipartimento di Medicina Veterinaria e Produzioni Animali (DMVPA), Università degli Studi di Napoli Federico II, Via F. Delpino 1, 80137, Napoli, Italy
| | - Barbara Lazzari
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Via Einstein 1, 26900, Lodi, Italy
| | - Chiara Del Prete
- Dipartimento di Medicina Veterinaria e Produzioni Animali (DMVPA), Università degli Studi di Napoli Federico II, Via F. Delpino 1, 80137, Napoli, Italy
| | - Valentina Longobardi
- Dipartimento di Medicina Veterinaria e Produzioni Animali (DMVPA), Università degli Studi di Napoli Federico II, Via F. Delpino 1, 80137, Napoli, Italy
| | - Flavia Pizzi
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Via Einstein 1, 26900, Lodi, Italy
| | - Alessandra Stella
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Via Einstein 1, 26900, Lodi, Italy
| | - Roberto Frigerio
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", Consiglio Nazionale delle Ricerche SCITEC-CNR, Milano, Italy
| | - Marina Cretich
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", Consiglio Nazionale delle Ricerche SCITEC-CNR, Milano, Italy
| | - Anna Lange Consiglio
- Dipartimento di Medicina Veterinaria e Scienze Animali (DIVAS), Università degli Studi di Milano, Via Celoria, 10, 20133, Lodi, Milano, Italy.
| | - Bianca Gasparrini
- Dipartimento di Medicina Veterinaria e Produzioni Animali (DMVPA), Università degli Studi di Napoli Federico II, Via F. Delpino 1, 80137, Napoli, Italy
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El Sabry M, Almasri O. Space allowance: a tool for improving behavior, milk and meat production, and reproduction performance of buffalo in different housing systems-a review. Trop Anim Health Prod 2022; 54:266. [PMID: 35970907 PMCID: PMC9378332 DOI: 10.1007/s11250-022-03247-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 07/29/2022] [Indexed: 11/26/2022]
Abstract
Buffalo population has dramatically increased during the last two decades, especially in tropical and subtropical regions. Although buffalo are important milk and meat-producing animal, still practices of buffalo farming and welfare aspects are not well established. Housing system and stocking density are significant factors that affect the welfare and production of animals; however, no space allowance standards have been demonstrated for buffalo at different ages. This review article presents the following: (1) an overview of buffalo subtypes and the geographical distribution of buffalo populations and their production; (2) the effect of housing systems and space allowance on the social behavior and welfare indices; (3) the effects of space allowance on milk production and growth performance of buffalo; and (4) the relationship between space allowance and reproductive performance. Although the limited data in this area of research, it can be driven that a larger space allowance with access to a pool, especially during the hot season, maintains buffalo production at optimal levels. Moreover, optimal floor space improves the welfare and social indices of buffalo; however, there are discrepancies in aggressive and agonistic behavior results. Surprisingly, the reproductive performance of buffalo was not affected by space allowance. Therefore, further research is needed to identify the impact of the housing aspects, including space allowance and enrichment tools, on the productive performance, and welfare indices of buffalo. This would assist in implementing welfare-economic standards for buffalo production and reveal the potentiality of this eco-friendly animal.
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Affiliation(s)
- Mohamed El Sabry
- Department of Animal Production, Faculty of Agriculture, Cairo University, El-Gamma street, Giza, 12613, Egypt.
| | - Obaida Almasri
- Department of Animal Production, Faculty of Agriculture, Cairo University, El-Gamma street, Giza, 12613, Egypt.,General Commission for Scientific Agricultural Research, Damascus, Syria
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Daghash SM, Yasin NAE, Abdelnaby EA, Emam IA, Tolba A, Abouelela YS. Histological and hemodynamic characterization of corpus luteum throughout the luteal phase in pregnant and non-pregnant buffalos in relation to nitric oxide levels based on its anatomical determination. Front Vet Sci 2022; 9:896581. [PMID: 35982929 PMCID: PMC9380647 DOI: 10.3389/fvets.2022.896581] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/29/2022] [Indexed: 12/21/2022] Open
Abstract
This study aims to compare the complete growth and development of corpus luteum (CL) in domestic buffalos from day 5 until day 40 after ovulation either in pregnant or non-pregnant animals and whether luteal vascularity (LV) with progesterone (P4) and nitric oxide (NO) could determine luteal functionality or not. Pluriparous buffalos (Bubalus bubalis) were categorized as pregnant (n = 6) or non-pregnant (n = 9) after pregnancy check at day 25. Animals were subjected to ultrasound analysis to determine the CL area (cm2) and LV. Blood sampling was performed following the Doppler examination. Ovarian tissue samples from non-pregnant buffalo genitalia (n = 18) and early pregnant buffalo genitalia (n = 3) were collected from great abattoirs. Luteal Doppler indices were lower in the pregnant group, while peak systolic velocity (PSV) was increased (p < 0.05) in the same pregnant females. Both P4 and NOMs were elevated (p < 0.05) in the pregnant group. There was a positive correlation (p < 0.01) between P4 and CL PSV. Based on our macroscopical examination, the CL of non-pregnant buffalos was classified into four stages. Histologically, stage I showed that CL was covered by a highly vascularized connective tissue (CT) capsule. It consisted of small and large lutein cells, whereas stage II was similar to stage I except for the presence of numerous fibroblast cells and vacuolated cells. Stage III was characterized by increasing the number of collagen fibers and the thickness of the blood vessels. Stage IV revealed thickening of the CT capsule and septae, regressed capillaries and arterioles, in addition to shrunken degenerated lutein cells. CL of pregnant buffalos revealed the same structure as CL at stage II. CL area was increased in the pregnant group. The collective data suggested that evaluation of the luteal artery could be extremely helpful to determine the potential benefits of colored and pulsed Doppler in CL vascularization assessment in both luteal and early pregnancy phases.
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Affiliation(s)
- Samer M. Daghash
- Anatomy and Embryology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Noha A. E. Yasin
- Cytology and Histology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Elshymaa A. Abdelnaby
- Theriogenology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
- *Correspondence: Elshymaa A. Abdelnaby ;
| | - Ibrahim A. Emam
- Department of Surgery, Anaesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ayman Tolba
- Anatomy and Embryology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Yara S. Abouelela
- Anatomy and Embryology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Almiñana C, Dubuisson F, Bauersachs S, Royer E, Mermillod P, Blesbois E, Guignot F. Unveiling how vitrification affects the porcine blastocyst: clues from a transcriptomic study. J Anim Sci Biotechnol 2022; 13:46. [PMID: 35303969 PMCID: PMC8932223 DOI: 10.1186/s40104-021-00672-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/24/2021] [Indexed: 12/13/2022] Open
Abstract
Background Currently, there is a high demand for efficient pig embryo cryopreservation procedures in the porcine industry as well as for genetic diversity preservation and research purposes. To date, vitrification (VIT) is the most efficient method for pig embryo cryopreservation. Despite a high number of embryos survives in vitro after vitrification/warming procedures, the in vivo embryo survival rates after embryo transfer are variable among laboratories. So far, most studies have focused on cryoprotective agents and devices, while the VIT effects on porcine embryonic gene expression remained unclear. The few studies performed were based on vitrified/warmed embryos that were cultured in vitro (IVC) to allow them to re–expand. Thus, the specific alterations of VIT, IVC, and the cumulative effect of both remained unknown. To unveil the VIT-specific embryonic alterations, gene expression in VIT versus (vs.) IVC embryos was analyzed. Additionally, changes derived from both VIT and IVC vs. control embryos (CO) were analyzed to confirm the VIT embryonic alterations. Three groups of in vivo embryos at the blastocyst stage were analyzed by RNA–sequencing: (1) VIT embryos (vitrified/warmed and cultured in vitro), (2) IVC embryos and (3) CO embryos. Results RNA–sequencing revealed three clearly different mRNA profiles for VIT, IVC and CO embryos. Comparative analysis of mRNA profiles between VIT and IVC identified 321, differentially expressed genes (DEG) (FDR < 0.006). In VIT vs. CO and IVC vs. CO, 1901 and 1519 DEG were found, respectively, with an overlap of 1045 genes. VIT-specific functional alterations were associated to response to osmotic stress, response to hormones, and developmental growth. While alterations in response to hypoxia and mitophagy were related to the sum of VIT and IVC effects. Conclusions Our findings revealed new insights into the VIT procedure-specific alterations of embryonic gene expression by first comparing differences in VIT vs. IVC embryos and second by an integrative transcriptome analysis including in vivo control embryos. The identified VIT alterations might reflect the transcriptional signature of the embryo cryodamage but also the embryo healing process overcoming the VIT impacts. Selected validated genes were pointed as potential biomarkers that may help to improve vitrification. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-021-00672-1.
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Affiliation(s)
- C Almiñana
- UMR PRC, INRAE 0085, CNRS 7247, Université de Tours, IFCE, F, -37380, Nouzilly, France. .,Functional Genomics Group, Institute of Veterinary Anatomy, VetSuisse Faculty Zurich, University of Zurich, Zürich, Switzerland.
| | - F Dubuisson
- UMR PRC, INRAE 0085, CNRS 7247, Université de Tours, IFCE, F, -37380, Nouzilly, France
| | - S Bauersachs
- Functional Genomics Group, Institute of Veterinary Anatomy, VetSuisse Faculty Zurich, University of Zurich, Zürich, Switzerland
| | - E Royer
- UEPAO, INRAE, F, -37380, Nouzilly, France
| | - P Mermillod
- UMR PRC, INRAE 0085, CNRS 7247, Université de Tours, IFCE, F, -37380, Nouzilly, France
| | - E Blesbois
- UMR PRC, INRAE 0085, CNRS 7247, Université de Tours, IFCE, F, -37380, Nouzilly, France
| | - F Guignot
- UMR PRC, INRAE 0085, CNRS 7247, Université de Tours, IFCE, F, -37380, Nouzilly, France
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9
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Segura-Benítez M, Carbajo-García MC, Corachán A, Faus A, Pellicer A, Ferrero H. Proteomic analysis of extracellular vesicles secreted by primary human epithelial endometrial cells reveals key proteins related to embryo implantation. Reprod Biol Endocrinol 2022; 20:3. [PMID: 34980157 PMCID: PMC8722215 DOI: 10.1186/s12958-021-00879-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/14/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Successful implantation is dependent on coordination between maternal endometrium and embryo, and the role of EVs in the required cross-talk cell-to-cell has been recently established. In this regard, it has been reported that EVs secreted by the maternal endometrium can be internalized by human trophoblastic cells transferring their contents and enhancing their adhesive and invasive capacity. This is the first study to comprehensively evaluate three EV isolation methods on human endometrial epithelial cells in culture and to describe the proteomic content of EVs secreted by pHEECs from fertile women. METHODS Ishikawa cells and pHEECs were in vitro cultured and hormonally treated; subsequently, conditioned medium was collected and EVs isolated. Ishikawa cells were used for the comparison of EVs isolation methods ultracentrifugation, ExoQuick-TC and Norgen Cell Culture Media Exosome Purification Kit (n = 3 replicates/isolation method). pHEECs were isolated from endometrial biopsies (n = 8/replicate; 3 replicates) collected from healthy oocyte donors with confirmed fertility, and protein content of EVs isolated by the most efficient methodology was analysed using liquid chromatography-tandem mass spectrometry. EV concentration and size were analyzed by nanoparticle tracking analysis, EV morphology visualized by transmission electron microscopy and protein marker expression was determined by Western blotting. RESULTS Ultracentrifugation was the most efficient methodology for EV isolation from medium of endometrial epithelial cells. EVs secreted by pHEECs and isolated by ultracentrifugation were heterogeneous in size and expressed EV protein markers HSP70, TSG101, CD9, and CD81. Proteomic analysis identified 218 proteins contained in these EVs enriched in biological processes involved in embryo implantation, including cell adhesion, differentiation, communication, migration, extracellular matrix organization, vasculature development, and reproductive processes. From these proteins, 82 were selected based on their functional relevance in implantation success as possible implantation biomarkers. CONCLUSIONS EV protein cargos are implicated in biological processes related to endometrial receptivity, embryo implantation, and early embryo development, supporting the concept of a communication system between the embryo and the maternal endometrium via EVs. Identified proteins may define new biomarkers of endometrial receptivity and implantation success.
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Affiliation(s)
- Marina Segura-Benítez
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Pediatría, Obstetricia Y Ginecología, Universidad de Valencia, Valencia, Spain
| | - María Cristina Carbajo-García
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Pediatría, Obstetricia Y Ginecología, Universidad de Valencia, Valencia, Spain
| | - Ana Corachán
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- Departamento de Pediatría, Obstetricia Y Ginecología, Universidad de Valencia, Valencia, Spain
| | - Amparo Faus
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
| | - Antonio Pellicer
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain
- IVIRMA Rome, Rome, Italy
| | - Hortensia Ferrero
- Fundación IVI, Instituto de Investigación Sanitaria La Fe, Valencia, Spain.
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10
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Zhao W, Ahmed S, Liu J, Ahmed S, Quansah E, Solangi TH, Wu Y, Yangliu Y, Wang H, Zhu J, Cai X. Comparative iTRAQ proteomics identified proteins associated with sperm maturation between yak and cattleyak epididymis. BMC Vet Res 2021; 17:255. [PMID: 34311720 PMCID: PMC8314601 DOI: 10.1186/s12917-021-02907-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 05/18/2021] [Indexed: 11/10/2022] Open
Abstract
Background During maturation, spermatozoa acquire motility and fertilizing capacity as they transit through the epididymis. In recent years, two-dimensional gel electrophoresis has been employed in proteomics studies conducted in rat, boar and human. However, there has not been a complete information regarding the proteins associated with sperm maturation in the epididymis. In this study, we employed iTRAQ proteomics to investigate proteins associated with sperm maturation between yak and cattleyak epididymis. Results After a successful sampling and protein extraction, the iTRAQ coupled with LC-MS/MS mass spectrometry and bioinformatics analysis were performed. We identified 288 differentially abundant proteins (DAPs) between yak and cattleyak epididymis; 151 were up-regulated while 137 were down-regulated in cattleyak relative to yak. Gene Ontology analysis identified that down-regulated DAPs in cattleyak were mostly enriched in the acetylation of protein component, along with negative and positive regulatory activities. iTRAQ proteomics data showed that the top up-regulated DAPs were mainly enriched in cell communication, cell adhesion, cytoskeleton organization, stress response, post-translational modifications and metabolic functions while the down-regulated DAPs were predominantly associated with sperm maturation, long-term sperm storage, sperm forward motility, sperm-oocyte fusion and regulatory functions. Conclusion These results provide insight into the molecular mechanisms underlying male cattleyak sterility.
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Affiliation(s)
- Wangsheng Zhao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Siraj Ahmed
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Junxia Liu
- Qingdao Bright Moon Seaweed Group Co., ltd, Qingdao, 266400, Shandong, China
| | - Saeed Ahmed
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Eugene Quansah
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Tajmal Hussain Solangi
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Yitao Wu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Yueling Yangliu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Hongmei Wang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization (Southwest Minzu University), Ministry of Education, Chengdu, 610041, Sichuan, China. .,Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization Key Laboratory of Sichuan Province, Chengdu, 610041, Sichuan, China.
| | - Xin Cai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization (Southwest Minzu University), Ministry of Education, Chengdu, 610041, Sichuan, China. .,Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization Key Laboratory of Sichuan Province, Chengdu, 610041, Sichuan, China.
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11
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Murugesan KD, Gupta ID, Onteru SK, Dash A, Sukhija N, Sivalingam J, Mohanty AK. Profiling and integrated analysis of whole-transcriptome changes in uterine caruncles of pregnant and non-pregnant buffaloes. Genomics 2021; 113:2338-2349. [PMID: 34022349 DOI: 10.1016/j.ygeno.2021.05.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 03/04/2021] [Accepted: 05/17/2021] [Indexed: 11/18/2022]
Abstract
Improved reproductive performance in buffaloes can be achieved by understanding the basic mechanism governing the embryonic attachment and feto-maternal communication. Considering this, trascriptomic profiling and integrative analysis of long intergenic non-coding RNAs were carried out in the uterine caruncles of pregnant and non-pregnant buffaloes. Transcriptome data of pregnant and non-pregnant uterine caruncles after quality control was used to perform the analysis. Total of 86 novel lincRNAs expressed in uterine caruncular tissues were identified and characterized. Differential expression analysis revealed that 447 mRNAs and 185 mRNAs were up- and down- regulated, respectively. The number of up- and down- regulated lincRNAs were 114 and 13, respectively. Of the identified 86 novel lincRNAs, six novel lincRNAs were up-regulated in the pregnant uterine caruncles. GO terms (biological process) and PANTHER pathways associated with reproduction and embryogenesis were over-represented in differentially expressed genes. Through miRNA interaction analysis, interactions of 16 differentially expressed lincRNAs with mi-RNAs involved in reproduction were identified. This study has provided a catalogue of differentially expressed genes and novel regions previously unknown to play a significant role in buffalo reproduction. The results from the current study extends the buffalo uterine lncRNAs database and provides candidate regulators for future molecular genetic studies on buffalo uterine physiology to improve the embryo implantation and successful completion of pregnancy.
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Affiliation(s)
- Kousalya Devi Murugesan
- Animal Genetics and Breeding Division, National Dairy Research Institute, Karnal 132001, Haryana, India.
| | - I D Gupta
- Animal Genetics and Breeding Division, National Dairy Research Institute, Karnal 132001, Haryana, India.
| | - Suneel Kumar Onteru
- Animal Biochemistry Division, National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Aishwarya Dash
- Animal Genetics and Breeding Division, National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Nidhi Sukhija
- Animal Genetics and Breeding Division, National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Jayakumar Sivalingam
- Animal Genetics and Breeding Division, National Bureau of Animal Genetic Resources, Karnal 132001, Haryana, India.
| | - Ashok Kumar Mohanty
- Proteomics and Cell Biology Lab, Animal Biotechnology Center, National Dairy Research Institute, Karnal 132001, Haryana, India
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12
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Seasonal effects on miRNA and transcriptomic profile of oocytes and follicular cells in buffalo (Bubalus bubalis). Sci Rep 2020; 10:13557. [PMID: 32782284 PMCID: PMC7419291 DOI: 10.1038/s41598-020-70546-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 07/28/2020] [Indexed: 12/19/2022] Open
Abstract
Season clearly influences oocyte competence in buffalo (Bubalus bubalis); however, changes in the oocyte molecular status in relation to season are poorly understood. This study characterizes the microRNA (miRNA) and transcriptomic profiles of oocytes (OOs) and corresponding follicular cells (FCs) from buffalo ovaries collected in the breeding (BS) and non-breeding (NBS) seasons. In the BS, cleavage and blastocyst rates are significantly higher compared to NBS. Thirteen miRNAs and two mRNAs showed differential expression (DE) in FCs between BS and NBS. DE-miRNAs target gene analysis uncovered pathways associated with transforming growth factor β (TGFβ) and circadian clock photoperiod. Oocytes cluster in function of season for their miRNA content, showing 13 DE-miRNAs between BS and NBS. Between the two seasons, 22 differentially expressed genes were also observed. Gene Ontology (GO) analysis of miRNA target genes and differentially expressed genes (DEGs) in OOs highlights pathways related to triglyceride and sterol biosynthesis and storage. Co-expression analysis of miRNAs and mRNAs revealed a positive correlation between miR-296-3p and genes related to metabolism and hormone regulation. In conclusion, season significantly affects female fertility in buffalo and impacts on oocyte transcriptomic of genes related to folliculogenesis and acquisition of oocyte competence.
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13
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Esposito L, Salzano A, Russo M, de Nicola D, Prandi A, Gasparrini B, Campanile G, Neglia G. Corpus Luteum Color Doppler Ultrasound and Pregnancy Outcome in Buffalo during the Transitional Period. Animals (Basel) 2020; 10:ani10071181. [PMID: 32668625 PMCID: PMC7401660 DOI: 10.3390/ani10071181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/07/2020] [Accepted: 07/10/2020] [Indexed: 12/16/2022] Open
Abstract
Simple Summary The advent of color Doppler ultrasonography promoted tremendous advances in research and clinical practice in animal reproduction, because it allowed noninvasive visualization of the vascularization in reproductive organs. In particular, the corpus luteum blood flow reflects luteal function better than luteal size in ruminants. Since buffaloes are a seasonal species, it is important to evaluate corpus luteum functionality also during the nonbreeding season, through blood flow examination and early pregnancy diagnosis. For this reason, we selected 29 Mediterranean buffaloes that had undergone synchronization and artificial insemination and were examined daily, from 5 to 10 days post-artificial insemination. Then, we retrospectively classified the buffaloes as pregnant or nonpregnant. Statistical analysis showed that pregnant animals had higher mean progesterone concentration and higher mean time average medium velocity values from Day 5 to Day 10 compared to nonpregnant buffaloes. Moreover, these two parameters could be used to predict the likelihood of pregnancy, starting on Day 6, although more reliable results could be obtained at Day 10 post-artificial insemination. In conclusion, a proper CL growth and development from Day 5 to Day 10 post-timed artificial insemination (TAI) is crucial for pregnancy maintenance during the transitional period. Abstract This study evaluated corpus luteum (CL) development in buffaloes out of breeding season and assessed an early pregnancy diagnosis. Mediterranean buffaloes (n = 29) were synchronized and artificially inseminated. CL B-mode/color Doppler ultrasonography examinations were performed daily from Days 5 to 10 post-synchronization, recording CL dimensions and blood flow parameters. Blood samples were collected on the same days for the progesterone (P4) assay. Data were grouped into pregnant or nonpregnant and retrospectively analyzed. The total pregnancy rate was 50.0% (13/26) on Day 45. A significant difference between CL average area in pregnant and nonpregnant buffaloes was recorded only on Day 10. Pregnant buffaloes showed a significantly higher mean P4 concentration and higher mean time average medium velocity (TAMV) values from Day 5 to Day 10 compared to nonpregnant buffaloes. Linear regression analysis showed a significant relationship between P4 levels and TAMV. Multiple logistic regression highlighted a significant influence of TAMV on pregnancy outcome, particularly on Day 8. This is probably due to the strong relationship between TAMV and P4 production. Both TAMV and P4 could be used to predict pregnancy starting on Day 6, although a more reliable result was obtained at Day 10. Thus, the period between Days 5 and 10 is critical for CL development during the transitional period in buffalo.
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Affiliation(s)
- Luigi Esposito
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
| | - Angela Salzano
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
| | - Marco Russo
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
- Correspondence: ; Tel.: +39-081-2536016
| | - Donato de Nicola
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
| | - Alberto Prandi
- Department of Agricultural, Environmental and Animal Science, University of Udine, 33100 Udine, Italy;
| | - Bianca Gasparrini
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
| | - Gianluca Neglia
- Department of Veterinary Medicine and Animal Production, Federico II University, 80137 Naples, Italy; (L.E.); (A.S.); (D.d.N.); (B.G.); (G.C.); (G.N.)
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Salzano A, Russo M, Anglani G, Licitra F, Zullo G, Cotticelli A, Fatone G, Campanile G. Early Prediction of Corpus Luteum Functionality Using an Imaging Software. Front Vet Sci 2020; 7:299. [PMID: 32626727 PMCID: PMC7314946 DOI: 10.3389/fvets.2020.00299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 05/04/2020] [Indexed: 11/15/2022] Open
Abstract
The present study aimed to assess the applicability of luteal blood flow data acquired through the use of color Doppler ultrasonography and a post-processing analysis tool (ImageJ) for predicting pregnancy in buffaloes (Bubalus bubalis). The experiment was carried out on 59 multiparous Italian Mediterranean buffaloes that underwent synchronization of estrus and fixed-time artificial insemination (TAI). Corpus luteum features (size: CLS and blood flow: BFA) were taken from Day 5 to 10 after TAI and retrospectively measured with ImageJ. In the same period, blood samples were taken to assess progesterone (P4) concentrations. Pregnancy diagnosis was carried out on Day 45 by ultrasound and confirmed on Day 70 post-TAI. Differences in CLS, BFA, and P4 concentrations from Day 5 to 10 after TAI measured between groups were analyzed by ANOVA repeated measures as were differences within each day of measuring. Buffaloes that established a pregnancy (n = 29; 55%) had larger CLS (2.2 ± 0.1 vs. 1.9 ± 0.1 cm2; P < 0.01), higher BFA (0.6 ± 0.0 vs. 0.4 ± 0.0 cm2; P < 0.01), and higher P4 blood level (1.8 ± 0.1 vs. 1.4 ± 0.1; P < 0.01) during Day 5–10 as compared to not-pregnant buffaloes (n = 22). Throughout the entire period, the first feature that changed between groups was P4 blood concentration at Day 7 (1.7 ± 0.1 vs. 1.2 ± 0.1; P < 0.05) followed by BFA at Day 8 (0.6 ± 0.0 vs. 0.5 ± 0.0; P < 0.05), respectively, in pregnant and not-pregnant animals. The ROC analyses indicated that P4 was able to predict pregnancy since Day 5 (P < 0.05) although a more reliable result could be obtained from Day 8 (P < 0.01). At Day 10, it was possible to set a cutoff value for every parameter taken into account. The logistic regression analysis showed that pregnancy was positively influenced by P4 concentration (odds ratio 534.127; P < 0.01) and BFA (odds ratio 744.893; P < 0.01). In conclusion, the use of color Doppler ultrasonography, together with ImageJ, identified different patterns of BFA between pregnant and not-pregnant buffaloes starting from Day 8 post-TAI.
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Affiliation(s)
- Angela Salzano
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Marco Russo
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Giuseppe Anglani
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | | | - Gianluigi Zullo
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Alessio Cotticelli
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Gerardo Fatone
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
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15
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de Nicola D, Vinale F, Salzano A, d’Errico G, Vassetti A, D’Onofrio N, Balestrieri ML, Neglia G. Milk Metabolomics Reveals Potential Biomarkers for Early Prediction of Pregnancy in Buffaloes Having Undergone Artificial Insemination. Animals (Basel) 2020; 10:ani10050758. [PMID: 32349376 PMCID: PMC7277816 DOI: 10.3390/ani10050758] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/23/2020] [Accepted: 04/23/2020] [Indexed: 01/16/2023] Open
Abstract
This study aimed to identify potential biomarkers for early pregnancy diagnosis in buffaloes subjected to artificial insemination (AI). The study was carried out on 10 pregnant and 10 non-pregnant buffaloes that were synchronized by Ovsynch-Timed Artificial Insemination Program and have undergone the first AI. Furthermore, milk samples were individually collected ten days before AI (the start of the synchronization treatment), on the day of AI, day 7 and 18 after AI, and were analyzed by LC-MS. Statistical analysis was carried out by using Mass Profile Professional (Agilent Technologies, Santa Clara, CA, USA). Metabolomic analysis revealed the presence of several metabolites differentially expressed between pregnant and non-pregnant buffaloes. Among these, a total of five metabolites were identified by comparison with an online database and a standard compound as acetylcarnitine (3-Acetoxy-4-(trimethylammonio)butanoate), arginine-succinic acid hydrate, 5'-O-{[3-({4-[(3aminopropyl)amino]butyl}amino)propyl]carbamoyl}-2'-deoxyadenosine, N-(1-Hydroxy-2-hexadecanyl)pentadecanamide, and N-[2,3-Bis(dodecyloxy)propyl]-L-lysinamide). Interestingly, acetylcarnitine was dominant in milk samples collected from non-pregnant buffaloes. The results obtained from milk metabolic profile and hierarchical clustering analysis revealed significant differences between pregnant and non-pregnant buffaloes, as well as in the metabolite expression. Overall, the findings indicate the potential of milk metabolomics as a powerful tool to identify biomarkers of early pregnancy in buffalo undergoing AI.
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Affiliation(s)
- Donato de Nicola
- Department of Veterinary Medicine and Animal Production, University of Naples “Federico II”, 80137 Naples, Italy; (D.d.N.); (F.V.); (G.N.)
| | - Francesco Vinale
- Department of Veterinary Medicine and Animal Production, University of Naples “Federico II”, 80137 Naples, Italy; (D.d.N.); (F.V.); (G.N.)
- Institute for Sustainable Plant Protection, National Research Council, 80055 Portici (NA), Italy
| | - Angela Salzano
- Department of Veterinary Medicine and Animal Production, University of Naples “Federico II”, 80137 Naples, Italy; (D.d.N.); (F.V.); (G.N.)
- Correspondence: ; Tel.: +39-0812536215
| | - Giada d’Errico
- Department of Agricultural Sciences, University of Naples “Federico II”, 80055 Portici (NA), Italy; (G.d.); (A.V.)
| | - Anastasia Vassetti
- Department of Agricultural Sciences, University of Naples “Federico II”, 80055 Portici (NA), Italy; (G.d.); (A.V.)
| | - Nunzia D’Onofrio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (N.D.); (M.L.B.)
| | - Maria Luisa Balestrieri
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (N.D.); (M.L.B.)
| | - Gianluca Neglia
- Department of Veterinary Medicine and Animal Production, University of Naples “Federico II”, 80137 Naples, Italy; (D.d.N.); (F.V.); (G.N.)
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Wawrzykowski J, Franczyk M, Ner-Kluza J, Silberring J, Kankofer M. 2D Electrophoretic pattern of bovine placental proteins during early-mid pregnancy. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4483. [PMID: 31786808 DOI: 10.1002/jms.4483] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 11/24/2019] [Accepted: 11/26/2019] [Indexed: 06/10/2023]
Abstract
The Placenta, like every tissue, possesses its own characteristic protein profile, which may change within the course of pregnancy. These changes can be used for the elucidation of the mechanisms related to both physiology of pregnancy and pathological events. The aim of the study was to describe proteinergic profiles of maternal and fetal parts of bovine placenta during early-mid pregnancy by the use of 2D electrophoresis and MALDI TOF/TOF MS identification to evaluate dynamics of the possible changes necessary for placentation. Placental samples were collected from six pregnant cows (3-5 months) in the local abattoir. Placentomes were separated, and proteins were extracted and subjected to 2D electrophoresis and MALDI TOF/TOF identification. Out of 907 spots identified by the statistical analysis of gels, 54 were identified. Out of this number, 36 spots were significantly different between examined samples. Moreover, the obtained patterns differed between maternal and fetal parts of the placenta with regard to the intensity of staining, suggesting quantitative differences in protein content. These preliminary results are unique for this period of pregnancy. Such data are important for further experiments to obtain full protein profiles necessary to understand biochemical mechanisms underlying the attachment between fetal and maternal parts of the placenta during placentation. Moreover, the outcomes may help in elucidating pregnancy biomarkers in the future.
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Affiliation(s)
- Jacek Wawrzykowski
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka 12, Lublin, 20-033, Poland
| | - Monika Franczyk
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka 12, Lublin, 20-033, Poland
| | - Joanna Ner-Kluza
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Avenue, Krakow, 30-059, Poland
| | - Jerzy Silberring
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Avenue, Krakow, 30-059, Poland
| | - Marta Kankofer
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka 12, Lublin, 20-033, Poland
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D'Occhio MJ, Campanile G, Zicarelli L, Visintin JA, Baruselli PS. Adhesion molecules in gamete transport, fertilization, early embryonic development, and implantation-role in establishing a pregnancy in cattle: A review. Mol Reprod Dev 2020; 87:206-222. [PMID: 31944459 DOI: 10.1002/mrd.23312] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 12/19/2019] [Indexed: 12/11/2022]
Abstract
Cell-cell adhesion molecules have critically important roles in the early events of reproduction including gamete transport, sperm-oocyte interaction, embryonic development, and implantation. Major adhesion molecules involved in reproduction include cadherins, integrins, and disintegrin and metalloprotease domain-containing (ADAM) proteins. ADAMs on the surface of sperm adhere to integrins on the oocyte in the initial stages of sperm-oocyte interaction and fusion. Cadherins act in early embryos to organize the inner cell mass and trophectoderm. The trophoblast and uterine endometrial epithelium variously express cadherins, integrins, trophinin, and selectin, which achieve apposition and attachment between the elongating conceptus and uterine epithelium before implantation. An overview of the major cell-cell adhesion molecules is presented and this is followed by examples of how adhesion molecules help shape early reproductive events. The argument is made that a deeper understanding of adhesion molecules and reproduction will inform new strategies that improve embryo survival and increase the efficiency of natural mating and assisted breeding in cattle.
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Affiliation(s)
- Michael J D'Occhio
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Sydney, NSW, Australia
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - Luigi Zicarelli
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, Italy
| | - José A Visintin
- Department of Animal Reproduction, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo, Brazil
| | - Pietro S Baruselli
- Department of Animal Reproduction, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo, Brazil
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Ahmad N, Arshad U. Synchronization and resynchronization strategies to improve fertility in dairy buffaloes. Theriogenology 2020; 150:173-179. [PMID: 31982154 DOI: 10.1016/j.theriogenology.2020.01.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 01/12/2020] [Indexed: 11/26/2022]
Abstract
Dairy buffalo has an integral role in the sustenance of economics due to its substantial contribution in milk and meat industry, however, the reproduction in this species is challenging. During the last decade, our laboratory conducted a series of experiments to encapsulate the solutions of the problems through optimizing pre- and post-insemination interventions in dairy buffaloes. In an unique study, we proposed that timing of ovulation with reference to the onset of standing heat during spontaneous estrus is delayed, and subsequently re-framed the traditional AM-PM rule (AI after 12 h of standing heat) to AM-AM or PM-PM (AI after 24 h of standing heat) to achieve the optimum fertility using frozen thawed semen in dairy buffaloes. Pregnancy per AI (P/AI) varied substantially either via injecting single shot of prostaglandin (PG) F2α to perform AI at detected estrus or applying standard ovsynch protocol for timed AI (TAI) in buffaloes. However, estrus response, and P/AI remained similar either with used or new controlled internal drug release device in dairy buffaloes. Additionally, the incorporation of estradiol benzoate in progesterone (P4) based protocol resulted in controlled emergence of follicular wave and increased the estrus intensity in buffaloes. Thereafter, we fine-tuned P4-based protocols to optimize the ovulation window for TAI either using GnRH or human chorionic gonadotropin (hCG) or equine chorionic gonadotropin that ultimately improved the fertility in dairy buffaloes. Although, these hormonal interventions resulted in decent fertility, yet it was consistently being compromised due to early or late embryonic losses in dairy buffaloes. Administration of hCG or GnRH on d 7 or 23 or 25 post AI has been proved beneficial to enhance the embryonic survival in buffaloes. Recently, resynchronization program as an aggressive reproductive management approach has been tested that served as a dual-purpose tool to increase overall herd fertility and reduce embryonic losses at commercial buffalo farm operations. Taken together, we concluded that the solutions to the problems of reproductive function are now clearly available with acceptable fertility, however, their application to the small holder buffalo farming remains challenging.
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Affiliation(s)
- Nasim Ahmad
- Department of Theriogenology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore, 54000, Punjab, Pakistan.
| | - Usman Arshad
- Department of Animal Sciences, University of Florida, Gainesville, 32611, Florida, USA
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Samir H, Kandiel MMM. Accuracy of subjective evaluation of luteal blood flow by color Doppler ultrasonography for early diagnosis of pregnancy in Egyptian buffalo. Anim Reprod Sci 2019; 208:106129. [PMID: 31405479 DOI: 10.1016/j.anireprosci.2019.106129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/04/2019] [Accepted: 07/16/2019] [Indexed: 10/26/2022]
Abstract
The objective of the current study was to evaluate the accuracy of trans-rectal color Doppler ultrasonography for early diagnosis of pregnancy in Egyptian buffalo based on subjective assessment of luteal blood flow (LBF). After timed artificial insemination (TAI), a total of 112 pluriparous buffalo were subjectively evaluated for LBF and there were score scales or grades (I-IV) determined at different times (Days 6, 14, 17, 21) post-TAI. Another trans-rectal B-mode ultrasonography of the uterus was performed at Day 35 to confirm pregnancy diagnosis based on recognition of the positive signs of pregnancy. Retrospectively, the results of B-mode ultrasonography were compared to that of the subjective evaluations of LBF for determining accuracy values. Furthermore, serum progesterone (P4) concentrations were determined as an indicator of corpora lutea (CL) function. Results indicate 68 of 112 buffalo (60.7%) were diagnosed as pregnant. The accuracy value of the LBF subjective evaluation was significant (80.4%; P < 0.05) at Day 17, and there was the maximum accuracy (96.4%) at Day 21 post-TAI. The percentage of false diagnoses was less at Days 17 and 21 compared with Day 6 and 14 post-TAI. There was a significant matching value between P4 concentrations and scores for LBF on and after Day 17 post-insemination. In conclusion, subjective evaluation of LBF using color Doppler ultrasonography is considered an accurate technique for early detection of pregnancy in Egyptian buffalo especially the non-pregnant animals as early as Day 17, with maximum accuracy at Day 21 post-TAI.
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Affiliation(s)
- Haney Samir
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt.
| | - Mohamed M M Kandiel
- Department of Theriogenology, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
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Ner-Kluza J, Wawrzykowski J, Franczyk M, Siberring J, Kankofer M. Identification of protein patterns in bovine placenta at early-mid pregnancy - Pilot studies. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2019; 33:1084-1090. [PMID: 30912867 DOI: 10.1002/rcm.8444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/26/2019] [Accepted: 03/20/2019] [Indexed: 06/09/2023]
Abstract
RATIONALE Placenta is a crucial tissue for an appropriate development of the fetus and the course of pregnancy. Its composition and structure change dynamically along pregnancy but the full pattern of these changes is not fully described in cows yet. The aim of the present study was to detect qualitative and quantitative protein profiles of bovine placenta during early-mid pregnancy at the time of placental formation. METHODS Placental tissues from healthy cows (n = 3) in early pregnancy (3-5 months) were collected at the slaughterhouse. Maternal and fetal parts were manually divided prior to homogenization. Further analysis was done in triplicates on the maternal and fetal parts separately and subjected to one-dimensional (1D) electrophoretic separation, followed by identification of peptide maps by nanospray liquid chromatography/tandem mass spectrometry (nanoLC/MS/MS). Proteins were identified by use of the MASCOT software with the SwissProt database. RESULTS Proteomic analysis showed more than 4000 differentially expressed proteins in maternal and fetal parts of placenta. Each part expressed around 900 proteins, of which ca. 90 were common. The identified proteins were analyzed in accordance to molecular function and their participation in biological processes. CONCLUSIONS The obtained results provide new insight into the knowledge about biochemical characteristics of placenta (new proteins) and serve for further studies on the possible markers of physiological/pathological pregnancy or function of placenta. Moreover, our data can be a good starting point for further studies on the processes underlying the attachment of placenta.
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Affiliation(s)
- Joanna Ner-Kluza
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30-059, Krakow, Mickiewicza 30 ave., Poland
| | - Jacek Wawrzykowski
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, 20-033, Lublin, Akademicka 12, Poland
| | - Monika Franczyk
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, 20-033, Lublin, Akademicka 12, Poland
| | - Jerzy Siberring
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, 30-059, Krakow, Mickiewicza 30 ave., Poland
| | - Marta Kankofer
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, 20-033, Lublin, Akademicka 12, Poland
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Proteomic profile of histotroph during early embryo development in mares. Theriogenology 2019; 125:224-235. [DOI: 10.1016/j.theriogenology.2018.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 10/31/2018] [Accepted: 11/04/2018] [Indexed: 01/16/2023]
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22
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Gasparrini B. Effects of reproductive season on embryo development in the buffalo. Reprod Fertil Dev 2019; 31:68-81. [PMID: 32188543 DOI: 10.1071/rd18315] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Interest in buffalo farming is increasing worldwide due to the critical role played by buffaloes as sources of animal protein in tropical and subtropical environments. However, reproductive seasonality negatively affects the profitability of buffalo farming. Buffaloes tend to be short-day breeders, with seasonality patterns increasing with greater distances from the Equator. Although ovarian cyclic activity may occur throughout the year, seasonal anoestrus and cycles in calving and milk production are recorded. When buffaloes are forced to mate during the unfavourable season, to meet market demand, they may undergo a higher incidence of embryo mortality. This review addresses the effects of the reproductive season on embryo development in the buffalo, analysing the different factors involved in determining embryo mortality during the unfavourable season, such as impaired luteal function, oocyte competence and sperm quality. The review then focuses on strategies to control the photoperiod-dependent annual fluctuations in conception and embryo mortality in the female buffalo.
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Hernández-Díaz N, Torres R, Ramírez-Pinilla MP. Proteomic Profile of Mabuya sp. (Squamata: Scincidae) Ovary and Placenta During Gestation. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 2017; 328:371-389. [PMID: 28397398 DOI: 10.1002/jez.b.22739] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/28/2017] [Accepted: 03/02/2017] [Indexed: 02/07/2023]
Abstract
Reptiles are one of the most diverse groups of vertebrates, providing an integrated system for comparative studies on metabolic, animal physiology, and developmental biology. However, the molecular data available are limited and only recently have started to call attention in the "omics" sciences. Mabuya sp. is a viviparous placentrotrophic skink with particular reproductive features, including microlecithal eggs, early luteolysis, prolonged gestation, and development of a highly specialized placenta. This placenta is responsible for respiratory exchange and the transference of all nutrients necessary for embryonic development. Our aim was to identify differentially expressed proteins in the ovary and placenta of Mabuya sp. during early, mid, and late gestation; their possible metabolic pathways; and biological processes. We carried out a comparative proteomic analysis during gestation in both tissues by sodium dodecyl sulfate polyacrylamide gel electrophoresis, two-dimensional gel electrophoresis, and matrix-assisted laser desorption/ionization. Differential protein expression in both tissues (Student's t-test P < 0.05) was related to several processes such as cell structure, cell movement, and energy. Proteins found in ovary are mainly associated with follicular development and its regulation. In the placenta, particularly during mid and late gestation, protein expression is involved in nutrient metabolism, transport, protein synthesis, and embryonic development. This work provides new insights about the proteins expressed and their physiological mechanisms in Mabuya sp. placenta and ovary during gestation.
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Affiliation(s)
- Nathaly Hernández-Díaz
- Laboratorio de Biología Reproductiva de Vertebrados, Escuela de Biología, Facultad de Ciencias, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia.,Grupo de Investigación en Bioquímica y Microbiología, GIBIM, Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia
| | - Rodrigo Torres
- Grupo de Investigación en Bioquímica y Microbiología, GIBIM, Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia.,Laboratorio de Biotecnología-CEO, Instituto Colombiano del Petróleo, ECOPETROL, Piedecuesta, Santander, Colombia
| | - Martha Patricia Ramírez-Pinilla
- Laboratorio de Biología Reproductiva de Vertebrados, Escuela de Biología, Facultad de Ciencias, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia
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Neglia G, Gasparrini B, Salzano A, Vecchio D, De Carlo E, Cimmino R, Balestrieri A, D'Occhio MJ, Campanile G. Relationship between the ovarian follicular response at the start of an Ovsynch–TAI program and pregnancy outcome in the Mediterranean river buffalo. Theriogenology 2016; 86:2328-2333. [DOI: 10.1016/j.theriogenology.2016.07.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 07/25/2016] [Accepted: 07/26/2016] [Indexed: 01/31/2023]
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25
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Campanile G, Neglia G, D'Occhio MJ. Embryonic and fetal mortality in river buffalo (Bubalus bubalis). Theriogenology 2016; 86:207-13. [DOI: 10.1016/j.theriogenology.2016.04.033] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 12/18/2015] [Accepted: 03/14/2016] [Indexed: 12/19/2022]
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Saraswat CS, Purohit G. Repeat breeding: Incidence, risk factors and diagnosis in buffaloes. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2016. [DOI: 10.1016/j.apjr.2016.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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27
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Strazzullo M, Gasparrini B, Neglia G, Balestrieri ML, Francioso R, Rossetti C, Nassa G, De Filippo MR, Weisz A, Di Francesco S, Vecchio D, D'Esposito M, D'Occhio MJ, Zicarelli L, Campanile G. Global transcriptome profiles of Italian Mediterranean buffalo embryos with normal and retarded growth. PLoS One 2014; 9:e90027. [PMID: 24587197 PMCID: PMC3938533 DOI: 10.1371/journal.pone.0090027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 01/23/2014] [Indexed: 11/19/2022] Open
Abstract
The transcriptome profiles were compared for buffalo embryos with normal growth and embryos with retarded growth on Day 25 after mating. Embryos with retarded growth on Day 25 after mating have a reduced likelihood of undergoing attachment to the uterine endometrium and establishing a pregnancy. Italian Mediterranean buffaloes were mated by AI and on Day 25 underwent trans-rectal ultrasonography to ascertain embryo development. Embryos with an embryonic width (EW)>2.7 mm were classed as normal embryos and embryos with an EW<2.7 mm were classed as retarded embryos. Three buffaloes with embryos of the largest EW (3.7, 3.7 and 3.9 mm) and three buffaloes with embryos of the smallest EW (1.5, 1.6 and 1.9 mm) were slaughtered on Day 27 to recover embryos for transcriptome analysis using a bovine custom designed oligo array. A total of 1,047 transcripts were differentially expressed between embryos with normal growth and embryos with retarded growth. Retarded embryos showed 773/1,047 (74%) transcripts that were down-regulated and 274/1,047 (26%) transcripts that were up-regulated relative to normal embryos; in silico analyses focused on 680/1,047 (65%) of the differentially expressed transcripts. The most altered transcripts observed in retarded embryos were associated with membrane structure and function and with metabolic and homeostasis maintenance functions. Other notable functions altered in retarded embryos were developmental processes and in particular nervous system differentiation and function. Specific biochemical pathways such as the complement cascade and coagulation were also altered in retarded embryos. It was concluded from the findings that buffalo embryos with retarded growth on Day 25 after mating show altered gene expression compared with normal embryos, and some de-regulated functions are associated with attachment to the uterine endometrium.
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Affiliation(s)
- Maria Strazzullo
- Institute for Animal Production System in Mediterranean Environment, National Research Council, Naples, Italy
| | - Bianca Gasparrini
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
| | - Gianluca Neglia
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
- * E-mail:
| | - Maria Luisa Balestrieri
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Romina Francioso
- Institute of Genetics and Biophysics ABT, National Research Council, Naples, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCSS) Neuromed, Pozzilli, Italy
| | - Cristina Rossetti
- Institute for Animal Production System in Mediterranean Environment, National Research Council, Naples, Italy
| | - Giovanni Nassa
- Laboratory of Molecular Medicine and Genomics, Department of Medicine and Surgery, University of Salerno, Baronissi (SA), Italy
| | | | - Alessandro Weisz
- Laboratory of Molecular Medicine and Genomics, Department of Medicine and Surgery, University of Salerno, Baronissi (SA), Italy
| | - Serena Di Francesco
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
| | - Domenico Vecchio
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
| | - Maurizio D'Esposito
- Institute of Genetics and Biophysics ABT, National Research Council, Naples, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCSS) Neuromed, Pozzilli, Italy
| | - Michael John D'Occhio
- Faculty of Agriculture and Environment, The University of Sydney, Camden, NSW, Australia
| | - Luigi Zicarelli
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production, Federico II University, Naples, Italy
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