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Qianqian Z, Wei X, Chuang L, Zhenliang C, Qiaoli W, Mingzhi L, Longyan W, Rui B, Jianhui T, Junjie L, Shiqiao W. MicroRNAs are potential regulators of the timed artificial insemination effect in gilt endometrium. Anim Reprod Sci 2021; 233:106837. [PMID: 34517227 DOI: 10.1016/j.anireprosci.2021.106837] [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: 09/13/2020] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 11/20/2022]
Abstract
To determine effects of timed artificial insemination (TAI) hormonal treatments on reproductive performance of gilts/sows and explore molecular mechanisms, gilts (TAI: 90; Control:149; Total: 239) and sows (TAI: 370; Control: 492) were utilized. Results indicated the estrus/farrowing rate and number of piglets born alive and weaned in the TAI group were greater than in the control group for both gilts and sows. To explore the molecular mechanism for TAI hormonal effects, the small RNA of the gilt endometrium at 16 and 25 of gestation were sampled and sequenced to determine potential functions of microRNA (MiRNA); 358 known and 142 novel MiRNAs were detected. With comparison of TAI and control groups, there were 54 differentially abundant MiRNAs, and functional analysis results indicated "binding," "protein/ion binding," and "immune response" were mostly enriched. In addition, representative MiRNAs were selected based on criteria including being regulated on both day 16 and 25 of gestation (ssc-miR-10a-5p, ssc-miR-345-5p, ssc-miR-370) along with reproduction-related target genes (ssc-miR-424-5p, ssc-miR-142-5p). Furthermore, target genes of selected MiRNAs were screened, and functional enrichment of those genes also indicated that the "binding" and "immune response" were mainly enriched. Results from the present study confirmed TAI-hormonal treatments improved estrous/farrowing rate and number of piglets born alive/weaned of gilts/sows and that hormonal treatment regimens leading to behavioral estrus at timed artificial insemination in gilts results in microRNA patterns in the endometrium that are more supportive of pregnancy. Results contribute valuable information for future studies of effects of TAI hormonal treatments on pig reproductive performance.
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Affiliation(s)
- Zhao Qianqian
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Xia Wei
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China; College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, China; Hebei Technology Innovation Center of Cattle and Sheep Embryo, Baoding 071000, China
| | - Liu Chuang
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Cui Zhenliang
- Ningbo Sansheng Biotechnology Co., Ltd,Ningbo 315100, China
| | - Wei Qiaoli
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Liu Mingzhi
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Wang Longyan
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Bai Rui
- College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, China
| | - Tian Jianhui
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Li Junjie
- College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China; Hebei Technology Innovation Center of Cattle and Sheep Embryo, Baoding 071000, China.
| | - Weng Shiqiao
- Ningbo Sansheng Biotechnology Co., Ltd,Ningbo 315100, China.
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Screening Candidate Genes Regulating Placental Development from Trophoblast Transcriptome at Early Pregnancy in Dazu Black Goats ( Capra hircus). Animals (Basel) 2021; 11:ani11072132. [PMID: 34359260 PMCID: PMC8300351 DOI: 10.3390/ani11072132] [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: 05/23/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/26/2022] Open
Abstract
Simple Summary The trophoblast is an original placental tissue whose normal proliferation, differentiation, migration, adhesion, and angiopoiesis are essential for placenta formation and fetal survival during early pregnancy. However, the key genes and molecular mechanisms involved in placenta development in goats are unknown. Herein, the morphology and histological structures of trophoblast tissues from day 20 to 30 of pregnancy were determined. RNA-sequencing was used to screen potential functional genes in common highly expressed and differentially expressed genes. RAP1 signaling pathway was used as the contact center and coordinated with other pathways to regulate placenta development. This study could provide insights into the molecular mechanisms underlying ruminant placentation. Abstract This study explored the trophoblast transcriptome to understand potential functional genes involved in early placental development in goats and their enriched signaling pathways. Trophoblast samples were collected from nine Dazu Black goats on days 20, 25, and 30 of pregnancy (D20, D25, and D30). As the pregnancy progressed, the morphology and histological structures showed significant growth, adhesion, and angiogenesis. A total of 23,253 commonly expressed genes (CEGs) and 4439 differently expressed genes (DEGs) were detected by RNA sequencing. The common highly expressed genes (ChEGs) (the top 100 CEGs) with the highest FPKM percentage (29.9%) of all CEGs were annotated to the ribosome pathway and maintain pregnancy. DEGs were abundant in D30 vs. D20 (3715 DEGs). Besides, the DEGs were associated with the inhibition of oxidative phosphorylation and activation of PI3K-Akt, focal adhesion, ECM–receptor interaction, Rap1, and CAM signaling pathways. The RAP1 may be a central pathway since it coordinates with others to regulate the cell proliferation, invasion, migration, and fusion of trophoblasts. qRT-PCR and Western blot analysis confirmed the transcriptional expression in IGF1, VEGFC, RAPGEF3, PIK3CA, AKT3, ITGB3, ITGA11, SPP1, NOS1, and ATP6V0B genes and protein levels in VEGF, RAPGEF3, and Akt. This is the first study of transcriptome profiling in goat placenta and provides diverse genetic resources for further research on placenta development.
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Souza-Fabjan JMG, Batista RITP, Correia LFL, Paramio MT, Fonseca JF, Freitas VJF, Mermillod P. In vitro production of small ruminant embryos: latest improvements and further research. Reprod Fertil Dev 2021; 33:31-54. [PMID: 38769678 DOI: 10.1071/rd20206] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024] Open
Abstract
This review presents the latest advances in and main obstacles to the application of invitro embryo production (IVEP) systems in small ruminants. This biotechnology is an extremely important tool for genetic improvement for livestock and is essential for the establishment of other biotechnologies, such as cloning and transgenesis. At present, the IVEP market is almost non-existent for small ruminants, in contrast with the trends observed in cattle. This is probably related to the lower added value of small ruminants, lower commercial demand and fewer qualified professionals interested in this area. Moreover, there are fewer research groups working on small ruminant IVEP than those working with cattle and pigs. The heterogeneity of oocytes collected from growing follicles in live females or from ovaries collected from abattoirs remains a challenge for IVEP dissemination in goats and sheep. Of note, although the logistics of oocyte collection from live small ruminant females are more complex than in the bovine, in general the IVEP outcomes, in terms of blastocyst production, are similar. We anticipate that after appropriate training and repeatable results, the commercial demand for small ruminant invitro -produced embryos may increase.
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Affiliation(s)
- Joanna M G Souza-Fabjan
- Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brazil Filho, 64, Niterói-RJ, CEP 24230-340, Brazil; and Corresponding author
| | - Ribrio I T P Batista
- Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brazil Filho, 64, Niterói-RJ, CEP 24230-340, Brazil
| | - Lucas F L Correia
- Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brazil Filho, 64, Niterói-RJ, CEP 24230-340, Brazil
| | - Maria Teresa Paramio
- Departament de Ciencia Animal i dels Aliments, Facultat de Veterinaria, Universitat Autonoma de Barcelona, 08193 Cerdanyola del Valles, Barcelona, Spain
| | - Jeferson F Fonseca
- Embrapa Caprinos e Ovinos, Rodovia MG 133, km 42, Campo Experimental Coronel Pacheco, Coronel Pacheco-MG, CEP 36155-000, Brazil
| | - Vicente J F Freitas
- Laboratório de Fisiologia e Controle da Reprodução, Universidade Estadual do Ceará, Fortaleza-CE, CEP 60714-903, Brazil
| | - Pascal Mermillod
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), UMR7247, Physiologie de la Reproduction et des Comportements, Nouzilly, France
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4
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Abstract
Development of assisted reproductive technologies has been driven by the goals of reducing the incidence of infertility, increasing the number of offspring from genetically elite animals, facilitating genetic manipulation, aiding preservation and long-distance movement of germplasm, and generating research material. Superovulation is associated with reduced fertilization rate and alterations in endometrial function. In vitro production of embryos can have a variety of consequences. Most embryos produced in vitro are capable of establishing pregnancy and developing into healthy neonatal animals. However, in vitro production is associated with reduced ability to develop to the blastocyst stage, increased incidence of failure to establish pregnancy, placental dysfunction, and altered fetal development. Changes in the developmental program mean that some consequences of being produced in vitro can extend into adult life. Reduced competence of the embryo produced in vitro to develop to the blastocyst stage is caused largely by disruption of events during oocyte maturation and fertilization. Conditions during embryo culture can affect embryo freezability and competence to establish pregnancy after transfer. Culture conditions, including actions of embryokines, can also affect the postnatal phenotype of the resultant progeny.
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Affiliation(s)
- Peter J Hansen
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program and Genetics Institute, University of Florida, Gainesville, Florida 32611-0910, USA;
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Duranthon V, Chavatte-Palmer P. Long term effects of ART: What do animals tell us? Mol Reprod Dev 2018; 85:348-368. [DOI: 10.1002/mrd.22970] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 02/09/2018] [Indexed: 01/01/2023]
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Zhu J, Moawad AR, Wang CY, Li HF, Ren JY, Dai YF. Advances in in vitro production of sheep embryos. Int J Vet Sci Med 2018; 6:S15-S26. [PMID: 30761316 PMCID: PMC6161858 DOI: 10.1016/j.ijvsm.2018.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 02/07/2018] [Accepted: 02/09/2018] [Indexed: 12/18/2022] Open
Abstract
Sheep is an important livestock in the world providing meat, milk and wool for human beings. With increasing human population, the worldwide needs of production of sheep have elevated. To meet the needs, the assistant reproductive technology including ovine in vitro embryo production (ovine IVP) is urgently required to enhance the effective production of sheep in the world. To learn the status of ovine IVP, we collected some publications related to ovine IVP through PubMed and analyzed the progress in ovine IVP made in the last five years (2012-2017). We made comparisons of these data and found that the recent advances in ovine IVP has been made slowly comparable to that of ovine IVP two decades ago. Therefore, we suggested two strategies or approaches to tackle the main problems in ovine IVP and expect that the efficiency of ovine IVP could be improved significantly when the approaches would be implemented.
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Affiliation(s)
- Jie Zhu
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China
| | - Adel R. Moawad
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, PO BOX 12211, Giza, Egypt
| | - Chun-Yu Wang
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China
| | - Hui-Feng Li
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China
| | - Jing-Yu Ren
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China
| | - Yan-Feng Dai
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot 010070, China
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Feuer S, Liu X, Donjacour A, Simbulan R, Maltepe E, Rinaudo P. Common and specific transcriptional signatures in mouse embryos and adult tissues induced by in vitro procedures. Reproduction 2016; 153:REP-16-0473. [PMID: 27799627 PMCID: PMC5411347 DOI: 10.1530/rep-16-0473] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 10/26/2016] [Indexed: 12/17/2022]
Abstract
Stressful environmental exposures incurred early in development can affect postnatal metabolic health and susceptibility to non-communicable diseases in adulthood, although the molecular mechanisms by which this occurs have yet to be elucidated. Here we use a mouse model to investigate how assorted in vitro exposures restricted exclusively to the preimplantation period affect transcription both acutely in embryos and long-term in subsequent offspring adult tissues, to determine if reliable transcriptional markers of in vitro stress are present at specific developmental time points and throughout development. Each in vitro fertilization or embryo culture environment led to a specific and unique blastocyst transcriptional profile, but we identified a common 18-gene and 9-pathway signature of preimplantation embryo manipulation that was present in all in vitro embryos irrespective of culture condition or method of fertilization. This fingerprint did not persist throughout development and there was no clear transcriptional cohesion between adult IVF offspring tissues or compared to their preceding embryos, indicating a tissue-specific impact of in vitro stress on gene expression. However, the transcriptional changes present in each IVF tissue were targeted by the same upstream transcriptional regulators, which provide insight as to how acute transcriptional responses to stressful environmental exposures might be preserved throughout development to influence adult gene expression.
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Affiliation(s)
- Sky Feuer
- S Feuer, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, United States
| | - Xiaowei Liu
- X Liu, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, United States
| | - Annemarie Donjacour
- A Donjacour, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, United States
| | - Rhodel Simbulan
- R Simbulan, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, United States
| | - Emin Maltepe
- E Maltepe, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, United States
| | - Paolo Rinaudo
- P Rinaudo, Obstetrics and Gynecology, University of California, San Francisco, San Francisco, 94115, United States
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