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Zhu X, Li W, Lu M, Shang J, Zhou J, Lin L, Liu Y, Xing J, Zhang M, Zhao S, Lu J, Shi X. M 6A demethylase FTO-stabilized exosomal circBRCA1 alleviates oxidative stress-induced granulosa cell damage via the miR-642a-5p/FOXO1 axis. J Nanobiotechnology 2024; 22:367. [PMID: 38918838 PMCID: PMC11197183 DOI: 10.1186/s12951-024-02583-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
BACKGROUND Premature ovarian insufficiency (POI) is an important cause of female infertility and seriously impacts the physical and psychological health of patients. Human umbilical cord mesenchymal stem cell-derived exosomes (HucMSCs-Exs, H-Exs) have exhibited protective effects on ovarian function with unclear mechanisms. METHODS A comprehensive analysis of the Gene Expression Omnibus (GEO) database were used to identify POI-associated circRNAs and miRNAs. The relationship between HucMSC-derived exosomal circBRCA1/miR-642a-5p/FOXO1 axis and POI was examined by RT-qPCR, Western blotting, reactive oxygen species (ROS) staining, senescence-associated β-gal (SA-β-gal) staining, JC-1 staining, TEM, oxygen consumption rate (OCR) measurements and ATP assay in vivo and in vitro. RT-qPCR detected the expression of circBRCA1 in GCs and serum of patients with normal ovarian reserve function (n = 50) and patients with POI (n = 50); then, the correlation of circBRCA1 with ovarian reserve function indexes was analyzed. RESULTS Herein, we found that circBRCA1 was decreased in the serum and ovarian granulosa cells (GCs) of patients with POI and was associated with decreased ovarian reserve. H-Exs improved the disorder of the estrous cycles and reproductive hormone levels, reduced the number of atretic follicles, and alleviated the apoptosis and senescence of GCs in rats with POI. Moreover, H-Exs mitigated mitochondrial damage and reversed the reduced circBRCA1 expression induced by oxidative stress in GCs. Mechanistically, FTO served as an eraser to increase the stability and expression of circBRCA1 by mediating the m6A demethylation of circBRCA1, and exosomal circBRCA1 sponged miR-642a-5p to block its interaction with FOXO1. CircBRCA1 insufficiency aggravated mitochondrial dysfunction, mimicking FTO or FOXO1 depletion effects, which was counteracted by miR-642a-5p inhibition. CONCLUSION H-Exs secreted circBRCA1 regulated by m6A modification, directly sponged miR-642a-5p to upregulate FOXO1, resisted oxidative stress injuries in GCs and protected ovarian function in rats with POI. Exosomal circBRCA1 supplementation may be a general prospect for the prevention and treatment of POI.
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Affiliation(s)
- Xiaolan Zhu
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China.
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.
- Reproductive Sciences Institute, Jiangsu University, Zhenjiang, China.
| | - Wenxin Li
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Minjun Lu
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Junyu Shang
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jiamin Zhou
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Li Lin
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yueqin Liu
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jie Xing
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Mengxue Zhang
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Shijie Zhao
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jingjing Lu
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xuyan Shi
- Reproductive Medicine Center, The Fourth Affiliated Hospital of Jiangsu University, No. 20 Zhengdong Road, Zhenjiang, 212001, Jiangsu, China
- Department of Central Laboratory, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
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Shi P, Ruan Y, Liu W, Sun J, Xu J, Xu H. Analysis of Promoter Methylation of the Bovine FOXO1 Gene and Its Effect on Proliferation and Differentiation of Myoblasts. Animals (Basel) 2023; 13:ani13020319. [PMID: 36670858 PMCID: PMC9854826 DOI: 10.3390/ani13020319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/01/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
This study aimed to explore the regulatory role of FOXO1 promoter methylation on its transcriptional level and unravel the effect of FOXO1 on the proliferation and differentiation of bovine myoblasts. Bisulfite sequencing polymerase chain reaction (BSP) and real-time quantitative PCR were performed to determine the methylation status and transcript levels of the FOXO1 promoter region at different growth stages. BSP results showed that the methylation level in the calf bovine (CB) group was significantly higher than that in the adult bovine (AB) group (p < 0.05). On the other hand, qRT-PCR results indicated that the mRNA expression level in the AB group was significantly higher than that in the CB group (p < 0.05), suggesting a significant decrease in gene expression at high levels of DNA methylation. CCK-8 and flow cytometry were applied to determine the effect of silencing the FOXO1 gene on the proliferation of bovine myoblasts. Furthermore, qRT-PCR and Western blot were conducted to analyze the expression of genes associated with the proliferation and differentiation of bovine myoblasts. Results from CCK-8 revealed that the short hairpin FOXO1 (shFOXO1) group significantly promoted the proliferation of myoblasts compared to the short-hairpin negative control (shNC) group (p < 0.05). Flow cytometry results showed a significant decrease in the number of the G1 phase cells (p < 0.05) and a significant increase in the number of the S phase cells (p < 0.05) in the shFOXO1 group compared to the shNC group. In addition, the expression of key genes for myoblast proliferation (CDK2, PCNA, and CCND1) and differentiation (MYOG, MYOD, and MYHC) was significantly increased at both mRNA and protein levels (p < 0.05). In summary, this study has demonstrated that FOXO1 transcription is regulated by methylation in the promoter region and that silencing FOXO1 promotes the proliferation and differentiation of bovine myoblasts. Overall, our findings lay the foundation for further studies on the regulatory role of epigenetics in the development of bovine myoblasts.
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Affiliation(s)
- Pengfei Shi
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Yong Ruan
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Wenjiao Liu
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Jinkui Sun
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Jiali Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Houqiang Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
- Correspondence:
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Repeated Superovulation Accelerates Primordial Follicle Activation and Atresia. Cells 2022; 12:cells12010092. [PMID: 36611886 PMCID: PMC9818786 DOI: 10.3390/cells12010092] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
For humans, ARTs (assisted reproductive technologies) have become the most effective method to treat subfertility/infertility in clinic. To obtain enough oocytes during ART, ovarian stimulation is performed by exogenous hormones, and some patients undergo several ovarian stimulation cycles. Although some adverse effects of ARTs on women and offspring are reported, few studies are focused on the effects of multiple superovulation on ovarian reserve. In the present study, we found that repeated superovulation significantly reduced primordial follicle number and the serum AMH. Compared to the decreased antral follicle number, the expression of genes related to primordial follicle activation, such as Foxo3, Akt, and Rptor, and the atretic follicle number in ovaries were increased by superovulation times. We further found that repeated superovulation reduced the plasma level of FSH, LH, and estradiol, and increased the expression of genes related to apoptosis (Bax, Casp3 (caspase-3), Casp8, and Casp9) in granulosa cells, providing evidence that repeated superovulation disrupted the balance between survival and death in granulosa cells. In summary, our results suggest that repeated superovulation has adverse effects on folliculogenesis.
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Yang M, Jin C, Cheng X, Liu T, Ji Y, Meng F, Han X, Liang Q, Cao X, Huang L, Du X, Zeng X, Bu G. Corticosterone triggers anti-proliferative and apoptotic effects, and downregulates the ACVR1-SMAD1-ID3 cascade in chicken ovarian prehierarchical, but not preovulatory granulosa cells. Mol Cell Endocrinol 2022; 552:111675. [PMID: 35577112 DOI: 10.1016/j.mce.2022.111675] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/04/2022] [Accepted: 05/08/2022] [Indexed: 10/18/2022]
Abstract
The coordinated proliferation and apoptosis of granulosa cells plays a critical role in follicular development. To identify the exact mechanisms of how stress-driven glucocorticoid production suppresses reproduction, granulosa cells were isolated from chicken follicles at different developmental stages and then treated with corticosterone. Using CCK-8, EDU and TUNEL assays, we showed that corticosterone could trigger both anti-proliferative and pro-apoptotic effects in granulosa cells from 6 to 8 mm follicles only, while depicting no influence on granulosa cells from any preovulatory follicles. High-throughput transcriptomic analysis identified 1362 transcripts showing differential expression profiles in granulosa cells from 6 to 8 mm follicles after corticosterone treatment. Interestingly, Kyoto Encyclopedia of Genes and Genomes enrichment analysis revealed that 17 genes were enriched in the TGF-β signaling pathway, and 13 showed differential expression patterns consistent with corticosterone-induced effects. The differential expression profiles of these 13 genes were examined by quantitative real-time PCR in cultured chicken ovarian granulosa cells at diverse developmental stages following corticosterone challenge for a short (8 h) or long period (24 h). After 24 h of treatment, INHBB, FST, FMOD, NOG, ACVR1, SMAD1 and ID3 were the genes that responded consistently with corticosterone-induced proliferative and apoptotic events in all granulosa cells detected. However, only ACVR1, SMAD1 and ID3 could initiate coincident expression patterns after being treated for 8 h, suggesting their significance in corticosterone-mediated actions. Collectively, these findings indicate that corticosterone can inhibit proliferation and cause apoptosis in chicken ovarian prehierarchical, but not preovulatory granulosa cells, through impeding ACVR1-SMAD1-ID3 signaling presumptively.
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Affiliation(s)
- Ming Yang
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Chenchen Jin
- Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Xinyue Cheng
- Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Tuoyuan Liu
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Yu Ji
- Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Fengyan Meng
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Xingfa Han
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Qiuxia Liang
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Xiaohan Cao
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Linyan Huang
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Xiaogang Du
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China
| | - Xianyin Zeng
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China.
| | - Guixian Bu
- Isotope Research Laboratory, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China; Department of Bio-engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Xinkang Road, Ya'an, 625014, PR China.
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Downregulated Copper Homeostasis-Related Gene FOXO1 as a Novel Indicator for the Prognosis and Immune Response of Breast Cancer. J Immunol Res 2022; 2022:9140461. [PMID: 35800988 PMCID: PMC9256448 DOI: 10.1155/2022/9140461] [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: 05/08/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
Copper (Cu) is one of the essential microelements for all living systems. Studies have illustrated the biological significance of Cu homeostasis in human cancers, including breast cancer (BRCA). Nevertheless, the detailed roles of Cu homeostasis in BRCA need to be further explored. Here, we identified a downregulated Cu homeostasis-related gene FOXO1 and investigated the potential functions of FOXO1 in BRCA through several bioinformation databases. The BRCA patients with high level of FOXO1 displayed favorable prognostic values. Subsequently, enrichment analysis of FOXO1 coexpressed genes revealed that the top three enriched KEGG pathways were spliceosome, oxidative phosphorylation, and ribosome. Immunoinfiltration analysis indicated that aberrantly expressed FOXO1 showed positive correlations with the subcellular infiltration of macrophages and neutrophils in BRCA. Moreover, FOXO1 expression was positively associated with multiple immune checkpoints, such as sialic acid-binding immunoglobulin-like lectin 15 (SIGLEC15), indoleamine 2,3-dioxygenase 1 (IDO1), programmed cell death 1 ligand 1 (PD-L1/CD274), hepatitis A virus cellular receptor 2 (HAVCR2), programmed cell death 1 (PDCD1), cytotoxic T lymphocyte antigen 4 (CTLA4), and programmed cell death 1 ligand 2 (PDCD1LG2). Overall, these findings would deepen our understanding of FOXO1 in BRCA prognosis and immunotherapy response, representing a promising therapeutic strategy for BRCA patients.
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Qin X, Dang W, Yang X, Wang K, Kebreab E, Lyu L. Neddylation inactivation affects cell cycle and apoptosis in sheep follicular granulosa cells. J Cell Physiol 2022; 237:3278-3291. [PMID: 35578798 DOI: 10.1002/jcp.30777] [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: 02/27/2022] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 11/10/2022]
Abstract
Protein neddylation inactivation is a novel topic in cancer research. However, there are few studies on the mechanism of neddylation underlying the development of sheep follicular granulosa cells (GCs). In this study, the development of follicular GCs in sheep was inactivated by MLN4924, a neddylation-specific inhibitor, which significantly attenuated the proliferation and cell index of sheep follicular GCs. Further, the inactivation of neddylation by MLN4924 caused the accumulation of the cullin ring ligase (CRLs) substrates Wee1 and c-Myc, which could upregulate NOXA protein expression. Meanwhile, the B-cell lymphoma/leukemia 2 (BCL2) family members Bcl-2 and MCL-1 were downregulated, subsequently inducing apoptosis in follicular GCs of sheep. Increasing Wee1 levels caused G2/M-phase arrest. The effects of neddylation inactivation on Akt, the JAK2/STAT3 signaling pathway, and Forkhead box class O(FOXO) family members were evaluated. Neddylation inactivation by MLN4924 increased the levels of phospho-Akt, JAK2, phospho-STAT3, and FOXO1 (p < 0.05) and decreased the levels of phospho-FOXO3a and STAT3 (p < 0.05). In addition, MLN4924 could alter the mitochondrial morphology of GCs, increase cellular glucose utilization and lactate production, increase reactive oxygen species (ROS) generation, and promote sheep follicular GCs glycolysis, thus causing changes in mitochondrial functions. Together, these findings point to an unrecognized role of neddylation in regulating follicular GCs proliferation in sheep.
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Affiliation(s)
- Xiaowei Qin
- Animal Genetics, Breeding and Reproduction Laboratory, College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Wenqing Dang
- Animal Genetics, Breeding and Reproduction Laboratory, College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Xiaofeng Yang
- Animal Genetics, Breeding and Reproduction Laboratory, College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Kai Wang
- Animal Genetics, Breeding and Reproduction Laboratory, College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Ermias Kebreab
- Department of Animal Science, University of California Davis, Davis, California, USA
| | - Lihua Lyu
- Animal Genetics, Breeding and Reproduction Laboratory, College of Animal Science, Shanxi Agricultural University, Taigu, Shanxi, China
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Ning Y, Fan M, Liu Q, Lu H, Qian S, Cui X, Meng F, Li X, Xu X, Sun S, Zhang Y, Zhang L, Zhang W. Two Foxo1 homologues in the orange-spotted grouper Epinephelus coioides: sequences, expression, and possible involvement in the activation of cyp19a1a expression in the ovary. FISH PHYSIOLOGY AND BIOCHEMISTRY 2021; 47:1597-1610. [PMID: 34417918 DOI: 10.1007/s10695-021-01002-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Foxo1, a member of Foxo transcription factor family, is involved in a number of physiological processes including metabolism, cell cycle progression, aging, and apoptosis. In the ovarian granulosa cell of mouse, Foxo1 is implicated to inhibit the expression of Cyp19a1, a gene encoding the aromatase that converts androgens into estrogens. Currently, the information about the expression and physiological relevance of Foxo1 homologues in the ovary of teleosts is scarce. In the present study, cDNAs encoding two forms of Foxo1, Foxo1a and Foxo1b, were isolated from the orange-spotted grouper. Phylogenetic analysis indicated that the orange-spotted groupers Foxo1a and Foxo1b were closely related to the counterparts of the ricefield eel. RT-PCR analysis showed that the orange-spotted groupers foxo1a and foxo1b were expressed in a wide range of tissues, with high levels detected in the brain regions, liver, and intestine. Quantitative real-time PCR analysis showed similar expression profiles for cyp19a1a, foxo1a, and foxo1b in the ovary during development from the primary growth to mature stages, with peak values detected at the vitellogenic stage. In situ hybridization detected mRNA of foxo1a, foxo1b, and cyp19a1a in granulosa cells surrounding vitellogenic oocytes. In vitro transfection showed that both Foxo1a and Foxo1b upregulated the orange-spotted grouper cyp19a1a promoter activities, possibly through the conserved Foxo binding site. Collectively, these results suggest that both Foxo1a and Foxo1b may be involved in the regulation of the ovarian functions in the orange-spotted grouper and the physiological roles of Foxo1 homologues in the ovary may be diversified in vertebrates.
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Affiliation(s)
- Yunfeng Ning
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Miao Fan
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Qiongyou Liu
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Huijie Lu
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Shangyong Qian
- Biology Department, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Xin Cui
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Feiyan Meng
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Xi Li
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Xing Xu
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Shu Sun
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Youwei Zhang
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Lihong Zhang
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
- Biology Department, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
| | - Weimin Zhang
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
- Biology Department, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
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Kong C, Liu K, Wang Q, Fu R, Si H, Sui S. Periplaneta americana peptide decreases apoptosis of pig-ovary granulosa cells induced by H 2 O 2 through FoxO1. Reprod Domest Anim 2021; 56:1413-1424. [PMID: 34390025 DOI: 10.1111/rda.14006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/10/2021] [Indexed: 11/28/2022]
Abstract
Oxidative stress can induce apoptosis of granulosa cells and lead to follicular atresia, thereby reducing the number of pigs giving birth. The aim of this study was to investigate the protective effect of Periplaneta americana peptide (PAP) on the apoptosis of the granulosa cells of pig ovaries (PGCs) induced by hydrogen peroxide (H2 O2 ) via FoxO1. PGCs were treated with H2 O2 to establish a cell apoptosis model. Cell viability was measured using the cell counting kit-8 (CCK-8) assay, and cell apoptosis was detected using flow cytometry. The malondialdehyde (MDA) level and nitric oxide (NO) content were detected to reflect the oxidative stress. Western blotting, qRT-PCR and overexpression were undertaken to determine the expression of FoxO1 and caspase-3, and immunofluorescence was used to detect FoxO1 in the nucleus and cytoplasm. PGCs were treated with 100 μM H2 O2 for 6 hr, which resulted in oxidative damage and apoptosis and an apoptosis rate for PGCs of 32.95%. Next, PGCs were treated with 400 μg/ml PAP for 24 hr to repair the apoptosis induced by H2 O2 . PAP improved cell viability in H2 O2 -stimulated PGCs, the increased MDA level and NO content caused by H2 O2 stimulation were reversed and the apoptotic rate of PGCs was reduced. The qRT-PCR and Western blotting results indicated that PAP decreased the H2 O2 -induced apoptosis and the expression of FoxO1 and caspase-3 in PGCs. The effect of PAP was the same following FoxO1 overexpression. FoxO1 was expressed in the nucleus when stimulated by H2 O2 or overexpression; however, it migrated to the cytoplasm following PAP treatment. PAP decreased the apoptosis of PGCs induced by H2 O2 by regulating FoxO1 expression and nuclear translocation.
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Affiliation(s)
- Caihua Kong
- College of Agrononmy and Biological Sciences, Dali University, Dali, China
| | - Kena Liu
- School of Public Health, Dali University, Dali, China
| | - Qin Wang
- School of Public Health, Dali University, Dali, China
| | - Rong Fu
- School of Public Health, Dali University, Dali, China
| | - Huaxin Si
- School of Public Health, Dali University, Dali, China
| | - Shiyan Sui
- College of Agrononmy and Biological Sciences, Dali University, Dali, China.,School of Public Health, Dali University, Dali, China
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