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WANG J, JIN QG, LIU RP, WANG XQ, LI YH, KIM NH, XU YN. Dihydromyricetin supplementation during in vitro culture improves porcine oocyte developmental competence by regulating oxidative stress. J Reprod Dev 2023; 69:10-17. [PMID: 36403957 PMCID: PMC9939282 DOI: 10.1262/jrd.2022-031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Dihydromyricetin (DHM), a dihydroflavonoid compound, exhibits a variety of biological activities, including antitumor activity. However, the effects of DHM on mammalian reproductive processes, especially during early embryonic development, remain unclear. In this study, we added DHM to porcine zygotic medium to explore the influence and underlying mechanisms of DHM on the developmental competence of parthenogenetically activated porcine embryos. Supplementation with 5 μM DHM during in vitro culture (IVC) significantly improved blastocyst formation rate and increased the total number of cells in porcine embryos. Further, DHM supplementation also improved glutathione levels and mitochondrial membrane potential; reduced natural reactive oxygen species levels in blastomeres and apoptosis rate; upregulated Nanog, Oct4, SOD1, SOD2, Sirt1, and Bcl2 expression; and downregulated Beclin1, ATG12, and Bax expression. Collectively, DHM supplementation regulated oxidative stress during IVC and could act as a potential antioxidant during in vitro porcine oocytes maturation.
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Affiliation(s)
- Jing WANG
- College of Agriculture, Yanbian University, Yanji 133000, China,Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
| | - Qing-Guo JIN
- College of Agriculture, Yanbian University, Yanji 133000, China
| | - Rong-Ping LIU
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
| | - Xin-Qin WANG
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
| | - Ying-Hua LI
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
| | - Nam-Hyung KIM
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
| | - Yong-Nan XU
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529000,
China
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Ma X, Zeng W, Wang L, Cheng R, Zhao Z, Huang C, Sun Z, Tao P, Wang T, Zhang J, Liu L, Duan X, Niu D. Validation of reliable safe harbor locus for efficient porcine transgenesis. Funct Integr Genomics 2022; 22:553-563. [PMID: 35412198 DOI: 10.1007/s10142-022-00859-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 11/30/2022]
Abstract
Transgenic technology is now widely used in biomedical and agricultural fields. Transgenesis is commonly achieved through random integration which might cause some uncertain consequences. The site-specific integration could avoid this disadvantage. This study aimed to screen and validate the best safe harbor (SH) locus for efficient porcine transgenesis. First, the cells carrying the EGFP reporter construct at four different SH loci (ROSA26, AAVS1, H11 and COL1A1) were achieved through CRSIPR/Cas9-mediated HDR. At the COL1A1 and ROSA26 loci, a higher mRNA and protein expression of EGFP was detected, and it was correlated with a lower level of DNA methylation of the EGFP promoter, hEF1α. A decreased H3K27me3 modification of the hEF1α promoter at the COL1A1 locus was also detected. For the safety of transgenesis at different SH locus, we found that transgenesis could relatively alter the expression of the adjacent endogenous genes, but the influence was limited. We also did not observe any off-target cleavage for the selected sgRNAs of the COL1A1 and ROSA26 loci. In conclusion, the COL1A1 and ROSA26 were confirmed to be the best two SH loci with the COL1A1 being more competitive for porcine transgenesis. This work would greatly facilitate porcine genome engineering and transgenic pig production.
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Affiliation(s)
- Xiang Ma
- Key Laboratory of Applied Technology On Green-Eco-Healthy Animal Husbandry of Zhejiang Province, China-Australia Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666 Wusu street, Lin'an District, Hangzhou, 311300, Zhejiang, China
| | - Weijun Zeng
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Lei Wang
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Rui Cheng
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Zeying Zhao
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Caiyun Huang
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Zhongxin Sun
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Peipei Tao
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Tao Wang
- Nanjing Kgene Genetic Engineering Co., Ltd, Nanjing, 211300, Jiangsu, China
| | - Jufang Zhang
- Cosmetic and Plastic Surgery Department, Hangzhou First People's Hospital, Hangzhou, 310006, Zhejiang, China
| | - Lu Liu
- Key Laboratory of Applied Technology On Green-Eco-Healthy Animal Husbandry of Zhejiang Province, China-Australia Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666 Wusu street, Lin'an District, Hangzhou, 311300, Zhejiang, China.
| | - Xing Duan
- Key Laboratory of Applied Technology On Green-Eco-Healthy Animal Husbandry of Zhejiang Province, China-Australia Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666 Wusu street, Lin'an District, Hangzhou, 311300, Zhejiang, China.
| | - Dong Niu
- Key Laboratory of Applied Technology On Green-Eco-Healthy Animal Husbandry of Zhejiang Province, China-Australia Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666 Wusu street, Lin'an District, Hangzhou, 311300, Zhejiang, China.
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Meng L, Hu H, Liu Z, Zhang L, Zhuan Q, Li X, Fu X, Zhu S, Hou Y. The Role of Ca 2 + in Maturation and Reprogramming of Bovine Oocytes: A System Study of Low-Calcium Model. Front Cell Dev Biol 2021; 9:746237. [PMID: 34765601 PMCID: PMC8577575 DOI: 10.3389/fcell.2021.746237] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/28/2021] [Indexed: 12/22/2022] Open
Abstract
[Ca2+]i is essential for mammalian oocyte maturation and early embryonic development, as those processes are Ca2+ dependent. In the present study, we investigated the effect of [Ca2+]i on in vitro maturation and reprogramming of oocytes in a lower calcium model of oocyte at metaphase II (MII) stage, which was established by adding cell-permeant Ca2+ chelator BAPTA-AM to the maturation medium. Results showed that the extrusion of the first polar body (PB1) was delayed, and oocyte cytoplasmic maturation, including mitochondrial and endoplasmic reticulum distribution, was impaired in lower calcium model. The low-calcium-model oocytes presented a poor developmental phenotype of somatic cell nuclear transfer (SCNT) embryos at the beginning of activation of zygotic genome. At the same time, oxidative stress and apoptosis were observed in the low-calcium-model oocytes; subsequently, an RNA-seq analysis of the lower-calcium-model oocytes screened 24 genes responsible for the poor oocyte reprogramming, and six genes (ID1, SOX2, DPPA3, ASF1A, MSL3, and KDM6B) were identified by quantitative PCR. Analyzing the expression of these genes is helpful to elucidate the mechanisms of [Ca2+]i regulating oocyte reprogramming. The most significant difference gene in this enriched item was ID1. Our results showed that the low calcium might give rise to oxidative stress and apoptosis, resulting in impaired maturation of bovine oocytes and possibly affecting subsequent reprogramming ability through the reduction of ID1.
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Affiliation(s)
- Lin Meng
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Hongmei Hu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China.,Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhiqiang Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Luyao Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Qingrui Zhuan
- Key Laboratory of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xue Li
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Xiangwei Fu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shien Zhu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yunpeng Hou
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
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