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Pastor FM, de Melo Ocarino N, Silva JF, Reis AMS, Serakides R. Bone development in fetuses with intrauterine growth restriction caused by maternal endocrine-metabolic dysfunctions. Bone 2024; 186:117169. [PMID: 38880170 DOI: 10.1016/j.bone.2024.117169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/21/2024] [Accepted: 06/13/2024] [Indexed: 06/18/2024]
Abstract
Intrauterine growth restriction (IUGR) affects a large proportion of infants, particularly in underdeveloped countries. Among the main causes of IUGR, maternal endocrine-metabolic dysfunction is highlighted, either due to its high incidence or due to the severity of the immediate and mediated changes that these dysfunctions cause in the fetus and the mother. Although the effects of endocrine and metabolic disorders have been widely researched, there are still no reviews that bring together and summarize the effects of these conditions on bone development in cases of IUGR. Therefore, the present literature review was conducted with the aim of discussing bone changes observed in fetuses with IUGR caused by maternal endocrine-metabolic dysfunction. The main endocrine dysfunctions that occur with IUGR include maternal hyperthyroidism, hypothyroidism, and hypoparathyroidism. Diabetes mellitus, hypertensive disorders, and obesity are the most important maternal metabolic dysfunctions that compromise fetal growth. The bone changes reported in the fetus are, for the most part, due to damage to cell proliferation and differentiation, as well as failures in the synthesis and mineralization of the extracellular matrix, which results in shortening and fragility of the bones. Some maternal dysfunctions, such as hyperthyroidism, have been widely studied, whereas conditions such as hypoparathyroidism and gestational hypertensive disorders require further study regarding the mechanisms underlying the development of bone changes. Similarly, there is a gap in the literature regarding changes related to intramembranous ossification, as most published articles only describe changes in endochondral bone formation associated with IUGR. Furthermore, there is a need for more research aimed at elucidating the late postnatal changes that occur in the skeletons of individuals affected by IUGR and their possible relationships with adult diseases, such as osteoarthritis and osteoporosis.
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Affiliation(s)
- Felipe Martins Pastor
- Departamento de Cínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Natália de Melo Ocarino
- Departamento de Cínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Juneo Freitas Silva
- Centro de Microscopia Eletrônica, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, Km 16, 45662-900 Ilhéus, Bahia, Brazil
| | - Amanda Maria Sena Reis
- Departamento de Patologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Rogéria Serakides
- Departamento de Cínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Minas Gerais, Brazil.
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2
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Zhu Q, Li F, Wang H, Wang X, Xiang Y, Ding H, Wu H, Xu C, Weng L, Cai J, Xu T, Liang N, Hong X, Xue M, Ge H. Single-cell RNA sequencing reveals the effects of high-fat diet on oocyte and early embryo development in female mice. Reprod Biol Endocrinol 2024; 22:105. [PMID: 39164729 PMCID: PMC11334609 DOI: 10.1186/s12958-024-01279-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Accepted: 08/12/2024] [Indexed: 08/22/2024] Open
Abstract
BACKGROUND Obesity is a global health issue with detrimental effects on various human organs, including the reproductive system. Observational human data and several lines of animal experimental data suggest that maternal obesity impairs ovarian function and early embryo development, but the precise pathogenesis remains unclear. METHODS We established a high-fat diet (HFD)-induced obese female mouse model to assess systemic metabolism, ovarian morphology, and oocyte function in mice. For the first time, this study employed single-cell RNA sequencing to explore the altered transcriptomic landscape of preimplantation embryos at different stages in HFD-induced obese mice. Differential gene expression analysis, enrichment analysis and protein-protein interactions network analysis were performed. RESULTS HFD-induced obese female mice exhibited impaired glucolipid metabolism and insulin resistance. The ovaries of HFD mice had a reduced total follicle number, an increased proportion of atretic follicles, and irregular granulosa cell arrangement. Furthermore, the maturation rate of embryonic development by in vitro fertilization of oocytes was significantly decreased in HFD mice. Additionally, the transcriptional landscapes of preimplantation embryos at different stages in mice induced by different diets were significantly distinguished. The maternal-to-zygotic transition was also affected by the failure to remove maternal RNAs and to turn off zygotic genome expression. CONCLUSIONS HFD-induced obesity impaired ovarian morphology and oocyte function in female mice and further led to alterations in the transcriptional landscape of preimplantation embryos at different stages of HFD mice.
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Affiliation(s)
- Qi Zhu
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Nanjing Medical University, Nanjing, China
| | - Feng Li
- Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China
| | - Hao Wang
- Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China
| | - Xia Wang
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Yu Xiang
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Huimin Ding
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Honghui Wu
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Dalian Medical University, Dalian, China
| | - Cen Xu
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Linglin Weng
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Nanjing University Of Chinese Medicine, Nanjing, China
| | - Jieyu Cai
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Nanjing University Of Chinese Medicine, Nanjing, China
| | - Tianyue Xu
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Nanjing University Of Chinese Medicine, Nanjing, China
| | - Na Liang
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Dalian Medical University, Dalian, China
| | - Xiaoqi Hong
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Nanjing Medical University, Nanjing, China
| | - Mingrui Xue
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
- Graduate School, Dalian Medical University, Dalian, China
| | - Hongshan Ge
- Reproductive Medicine Centre, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China.
- Graduate School, Nanjing Medical University, Nanjing, China.
- Graduate School, Nanjing University Of Chinese Medicine, Nanjing, China.
- Graduate School, Dalian Medical University, Dalian, China.
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3
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Tang F, Hummitzsch K, Rodgers RJ. RNAseq analysis of oocyte maturation from the germinal vesicle stage to metaphase II in pig and human. PLoS One 2024; 19:e0305893. [PMID: 39121087 PMCID: PMC11315340 DOI: 10.1371/journal.pone.0305893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 06/06/2024] [Indexed: 08/11/2024] Open
Abstract
During maturation oocytes at the germinal vesicle (GV) stage progress to metaphase II (MII). However, during in vitro maturation a proportion often fail to progress. To understand these processes, we employed RNA sequencing to examine the transcriptome profile of these three groups of oocytes from the pig. We compared our findings with similar public oocyte data from humans. The transcriptomes in oocytes that failed to progress was similar to those that did. We found in both species, the most upregulated genes in MII oocytes were associated with chromosome segregation and cell cycle processes, while the most down regulated genes were relevant to ribosomal and mitochondrial pathways. Moreover, those genes involved in chromosome segregation during GV to MII transition were conserved in pig and human. We also compared MII and GV oocyte transcriptomes at the isoform transcript level in both species. Several thousands of genes (including DTNBP1, MAPK1, RAB35, GOLGA7, ATP1A1 and ATP2B1) identified as not different in expression at a gene transcript level were found to have differences in isoform transcript levels. Many of these genes were involved in ATPase-dependent or GTPase-dependent intracellular transport in pig and human, respectively. In conclusion, our study suggests the failure to progress to MII in vitro may not be regulated at the level of the genome and that many genes are differentially regulated at the isoform level, particular those involved ATPase- or GTPase-dependent intracellular transport.
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Affiliation(s)
- Feng Tang
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Katja Hummitzsch
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Raymond J. Rodgers
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
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Tang S, Wu H, Chen Q, Tang T, Li J, An H, Zhu S, Han L, Sun H, Ge J, Qian X, Wang X, Wang Q. Maternal Obesity Induces the Meiotic Defects and Epigenetic Alterations During Fetal Oocyte Development. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309184. [PMID: 38868907 PMCID: PMC11321662 DOI: 10.1002/advs.202309184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/23/2024] [Indexed: 06/14/2024]
Abstract
It has been widely reported that obesity adversely impacts reproductive performance of females. However, the effects of maternal obesity on fetal germ cells remain poorly understood. In the present study, by employing a high-fat diet (HFD)-based mouse model, it is discovered that maternal obesity disrupts the chromosomal synapsis and homologous recombination during fetal oogenesis. Moreover, transcriptomic profiling reveales the potential molecular network controlling this process. Of note, the global hypermethylation of genomic DNA in fetal oocytes from obese mouse is detected. Importantly, time-restricted feeding (TRF) of obese mice not only ameliorate the meiotic defects, but also partly restore the epigenetic remodeling in fetal oocytes. In sum, the evidence are provided showing the deficit fetal oogenesis in obese mother, implicating a mechanism underlying the intergenerational effects of environmental insults. TRF may represent a potentially effective approach for mitigating fertility issues in obese patients.
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Affiliation(s)
- Shoubin Tang
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
- Department of Nutrition and Food HygieneSchool of Public HealthNanjing Medical UniversityNanjing211166China
| | - Huihua Wu
- Suzhou Municipal HospitalNanjing Medical UniversityNanjing211166China
| | - Qiuzhen Chen
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Tao Tang
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Jiashuo Li
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Huiqing An
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Shuai Zhu
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Longsen Han
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Hongzheng Sun
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Juan Ge
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Xu Qian
- Department of Nutrition and Food HygieneSchool of Public HealthNanjing Medical UniversityNanjing211166China
| | - Xi Wang
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
| | - Qiang Wang
- State Key Laboratory of Reproductive Medicine and Offspring HealthChangzhou Maternity and Child Health Care HospitalChangzhou Medical CenterNanjing Medical UniversityNanjing211166China
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5
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Schon SB, Cabre HE, Redman LM. The impact of obesity on reproductive health and metabolism in reproductive-age females. Fertil Steril 2024; 122:194-203. [PMID: 38704081 DOI: 10.1016/j.fertnstert.2024.04.036] [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: 03/14/2024] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
Obesity is a highly prevalent chronic disease that impacts >40% of reproductive-aged females. The pathophysiology of obesity is complex and can be understood simply as a chronic energy imbalance whereby caloric intake exceeds caloric expenditure with an energy surplus stored in adipose tissue. Obesity may be categorized into degrees of severity as well as different phenotypes on the basis of metabolic health and underlying pathophysiology. Obesity and excess adiposity have a significant impact on fertility and reproductive health, with direct effects on the hypothalamic-pituitary-ovarian axis, the ovary and oocyte, and the endometrium. There are significant adverse pregnancy outcomes related to obesity, and excess weight gain before, during, and after pregnancy that can alter the lifelong risk for metabolically unhealthy obesity. Given the high prevalence and pervasive impact of obesity on reproductive health, there is a need for better and individualized care for reproductive-aged females that considers obesity phenotype, underlying pathophysiology, and effective and sustainable interventions to treat obesity and manage weight gain before, during, and after pregnancy.
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Affiliation(s)
- Samantha B Schon
- Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan.
| | - Hannah E Cabre
- Reproductive Endocrinology and Women's Health Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana
| | - Leanne M Redman
- Reproductive Endocrinology and Women's Health Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana
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6
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Abdoon ASS, Hegazy AM, Abdel-Azeem AS, Al-Atrash AM, Mohammed DM. The protective effects of some herbs on mitigating HFD-induced obesity via enhancing biochemical indicators and fertility in female rats. Heliyon 2024; 10:e30249. [PMID: 38726161 PMCID: PMC11078881 DOI: 10.1016/j.heliyon.2024.e30249] [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] [Received: 01/04/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024] Open
Abstract
The potential of plant-based diets and drugs to prevent and control obesity has been attributed to the presence of several biologically active phytochemicals. The study aimed to assess herb consumption's impact on alleviating the risks and hazards associated with obesity induced by a high-fat diet (HFD) and the promotion of fertility. Eighty rats were allocated into four distinct groups. Group 1 (G1) was provided with a basal diet and acted as the control group. Group 2 (G2) was provided with an HFD. Group 3 (G3) was provided with HFD supplemented with chia seeds and Hibiscus sabdariffa L. The fourth group of subjects was provided with HFD supplemented with Foeniculum vulgare (fennel) and Coriandrum sativum L. (coriander). The feeding session was sustained for 10 weeks, and the biochemical parameters were evaluated. The administration of Foeniculum vulgare (fennel) and Coriandrum sativum L. (coriander) (G4) resulted in a more significant reduction in all biochemical parameters compared to G3, which received a diet consisting of chia seeds and Hibiscus sabdariffa L. Additionally, the average number of embryonic lobes and the average number of offspring after birth were found to be considerably more significant in the normal control group (G1) and group (G4) compared to the HFD group (G2) and group (G3) (P < 0.01). Group 4 (G4) was administered a diet enriched with Foeniculum vulgare (fennel) and Coriandrum sativum L. (coriander), which demonstrated superior outcomes in many biochemical indicators and the promotion of fertility in obese female rats.
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Affiliation(s)
- Ahmed Sabry S. Abdoon
- Animal Reproduction, Veterinary Research division, National Research Centre, Dokki, Giza, Egypt
| | - Amany M. Hegazy
- Nutrition and Food Sciences Department, National Research Centre, Dokki, Giza, Egypt
| | - Amal S. Abdel-Azeem
- Nutrition and Food Sciences Department, National Research Centre, Dokki, Giza, Egypt
| | - Ahmed M. Al-Atrash
- Medical Administration, Nuclear Materials Authority, Kattmya, Cairo, Egypt
| | - Dina Mostafa Mohammed
- Nutrition and Food Sciences Department, National Research Centre, Dokki, Giza, Egypt
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7
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Li C, Zhang H, Wu H, Li J, Liu Q, Li Y, Pan M, Zhao X, Wei Q, Peng S, Ma B. Intermittent fasting improves the oocyte quality of obese mice through the regulation of maternal mRNA storage and translation by LSM14B. Free Radic Biol Med 2024; 217:157-172. [PMID: 38552928 DOI: 10.1016/j.freeradbiomed.2024.03.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/11/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
Obesity has significant repercussions for female reproductive health, including adverse effects on oocyte quality, fertility, embryo development and offspring health. Here, we showed that intermittent fasting (IF) has several notable effects on follicular development, oocyte development and maturation and offspring health in obese mice. IF treatment prevents obesity-associated germline-soma communication defects, mitochondrial dysfunction, oxidative damage, apoptosis, and spindle/chromosomal disruption. RNA-sequencing analysis of oocytes from normal diet (ND), high-fat diet (HFD), and HFD + IF mice indicated that IF treatment improved mitochondrial oxidative phosphorylation function and mRNA storage and translation, which was potentially mediated by the Smith-like family member 14 B (LSM14B). Knockdown of LSM14B by siRNA injection in oocytes from ND mice recapitulates all the translation, mitochondrial dysfunction and meiotic defect phenotypes of oocytes from HFD mice. Remarkably, the injection of Lsm14b mRNA into oocytes from HFD mice rescued the translation, mitochondrial dysfunction and meiotic defect phenotypes. These results demonstrated that dysfunction in the oocyte translation program is associated with obesity-induced meiotic defects, while IF treatment increased LSM14B expression and maternal mRNA translation and restored oocyte quality. This research has important implications for understanding the effects of obesity on female reproductive health and offers a potential nonpharmacological intervention to improve oocyte quality and fertility in obese individuals.
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Affiliation(s)
- Chan Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Hui Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Hao Wu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Jingmei Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Qingyang Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Yanxue Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Menghao Pan
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Xiaoe Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Qiang Wei
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China
| | - Sha Peng
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China.
| | - Baohua Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, People's Republic of China; Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Yangling, Shaanxi, People's Republic of China.
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8
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Catandi GD, Fresa KJ, Cheng MH, Whitcomb LA, Broeckling CD, Chen TW, Chicco AJ, Carnevale EM. Follicular metabolic alterations are associated with obesity in mares and can be mitigated by dietary supplementation. Sci Rep 2024; 14:7571. [PMID: 38555310 PMCID: PMC10981747 DOI: 10.1038/s41598-024-58323-0] [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: 01/16/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024] Open
Abstract
Obesity is a growing concern in human and equine populations, predisposing to metabolic pathologies and reproductive disturbances. Cellular lipid accumulation and mitochondrial dysfunction play an important role in the pathologic consequences of obesity, which may be mitigated by dietary interventions targeting these processes. We hypothesized that obesity in the mare promotes follicular lipid accumulation and altered mitochondrial function of oocytes and granulosa cells, potentially contributing to impaired fertility in this population. We also predicted that these effects could be mitigated by dietary supplementation with a combination of targeted nutrients to improve follicular cell metabolism. Twenty mares were grouped as: Normal Weight [NW, n = 6, body condition score (BCS) 5.7 ± 0.3], Obese (OB, n = 7, BCS 7.7 ± 0.2), and Obese Diet Supplemented (OBD, n = 7, BCS 7.7 ± 0.2), and fed specific feed regimens for ≥ 6 weeks before sampling. Granulosa cells, follicular fluid, and cumulus-oocyte complexes were collected from follicles ≥ 35 mm during estrus and after induction of maturation. Obesity promoted several mitochondrial metabolic disturbances in granulosa cells, reduced L-carnitine availability in the follicle, promoted lipid accumulation in cumulus cells and oocytes, and increased basal oocyte metabolism. Diet supplementation of a complex nutrient mixture mitigated most of the metabolic changes in the follicles of obese mares, resulting in parameters similar to NW mares. In conclusion, obesity disturbs the equine ovarian follicle by promoting lipid accumulation and altering mitochondrial function. These effects may be partially mitigated with targeted nutritional intervention, thereby potentially improving fertility outcomes in the obese female.
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Affiliation(s)
- Giovana D Catandi
- Equine Reproduction Laboratory, Department of Biomedical Sciences, Colorado State University, 3101 Rampart Road, Fort Collins, CO, 80521, USA
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
- Department of Veterinary Clinical Sciences, Oklahoma State University, Stillwater, OK, 74078, USA
| | - Kyle J Fresa
- Equine Reproduction Laboratory, Department of Biomedical Sciences, Colorado State University, 3101 Rampart Road, Fort Collins, CO, 80521, USA
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
| | - Ming-Hao Cheng
- Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO, 80523, USA
| | - Luke A Whitcomb
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
| | - Corey D Broeckling
- Proteomics and Metabolomics Facility, Colorado State University, Fort Collins, CO, 80523, USA
| | - Thomas W Chen
- Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO, 80523, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, 80523, USA
| | - Adam J Chicco
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA
| | - Elaine M Carnevale
- Equine Reproduction Laboratory, Department of Biomedical Sciences, Colorado State University, 3101 Rampart Road, Fort Collins, CO, 80521, USA.
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA.
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9
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Xu Y, Zhou Z, Zhang G, Yang Z, Shi Y, Jiang Z, Liu Y, Chen H, Huang H, Zhang Y, Pan J. Metabolome implies increased fatty acid utilization and histone methylation in the follicles from hyperandrogenic PCOS women. J Nutr Biochem 2024; 125:109548. [PMID: 38104867 DOI: 10.1016/j.jnutbio.2023.109548] [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: 07/10/2023] [Revised: 11/21/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Well-balanced metabolism is essential for the high-quality of oocytes, and metabolic fluctuations of follicular microenvironment potentially encourage functional changes in follicle cells, ultimately impacting the developmental potential of oocytes. Here, the global metabolomic profiles of follicular fluid from PCOS women with ovarian hyperandrogenism and nonhyperandrogenism were depicted by untargeted metabolome and transcriptome. In parallel, functional methods were employed to evaluate the possible impact of dysregulated metabolites on oocyte and embryo development. Our findings demonstrated that PCOS women exhibited distinct metabolic features in follicles, such as the increase in fatty acid utilization and the downregulation in amino acid metabolism. And intrafollicular androgen levels were positively correlated with contents of multiple fatty acids, suggesting androgen as one of the contributing factors to the metabolic abnormalities in PCOS follicles. Moreover, we further demonstrated that elevated levels of α-linolenic acid and H3K27me3 could hinder oocyte maturation, fertilization, and early embryo development. Hopefully, our data serve as a broad resource on the metabolic abnormalities of PCOS follicles, and advances in the relevant knowledge will allow the identification of biomarkers that predict the progression of PCOS and its poor pregnancy outcomes.
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Affiliation(s)
- Yue Xu
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
| | - Zhiyang Zhou
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
| | - Gaochen Zhang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
| | - Zuwei Yang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China; The International Peace Maternal and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Shi
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China
| | - Zhaoying Jiang
- Key Laboratory of Reproductive Genetics (Ministry of Education), Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ye Liu
- The International Peace Maternal and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Huixi Chen
- Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China; The International Peace Maternal and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hefeng Huang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China; The International Peace Maternal and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Reproductive Genetics (Ministry of Education), Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yu Zhang
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China.
| | - Jiexue Pan
- Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai, China; Shanghai Key Laboratory of Reproduction and Development, Shanghai, China; Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai, China; The International Peace Maternal and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Key Laboratory of Reproductive Genetics (Ministry of Education), Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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10
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Yao Y, Liu W, Zhang X, Su N, Huang L, Nong Y, Xiao X, Liu F. Normal weight obesity is associated with lower AFC and adverse IVF outcomes. Front Endocrinol (Lausanne) 2024; 15:1332995. [PMID: 38455649 PMCID: PMC10917978 DOI: 10.3389/fendo.2024.1332995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 02/08/2024] [Indexed: 03/09/2024] Open
Abstract
Background Body weight could be classified into underweight, normal weight and overweight according to percentage of body fat (%BF), and normal weight obesity (NWO) is defined as a normal BMI but a high %BF. While the impact of NWO in women fecundity remain unknow. Therefore, this study aimed to investigate the associations between %BF and reproductive outcomes among in vitro fertilization (IVF) women with normal BMI. Methods A total of 469 women were included in this study and were classified into low %BF, normal %BF and high %BF according to previous study. Multivariate generalized regression models were employed to evaluate the associations of %BF with ovarian reserve parameters, IVF outcomes and early pregnancy outcomes. We further run sensitivity analyses by restricted the analysis to young women and those only with tubal factor, respectively. Results About 32.2% of normal BMI women were misclassified according %BF, with 16.4% of them were low %BF and 15.8% were high %BF. The high %BF group had significantly lower antral follicle count (AFC) than normal %BF groups, and the AFC showed a tendency of decrease as %BF increased. In sensitivity analysis in young women, high %BF group also had significantly lower number of good-quality embryos when compared to normal %BF groups. The results expanded to all IVF outcomes when analysis restricted to tubal factor women. Conclusion In summary, misclassifications of body weight status based on BMI are common according to %BF, and NWO is associated with adverse reproductive outcomes.
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Affiliation(s)
- Yangcheng Yao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Jinan University, Guangzhou, China
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Wenjuan Liu
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Xiqian Zhang
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Nianjun Su
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Li Huang
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Yingqi Nong
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
| | - Xiaomin Xiao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Fenghua Liu
- Center for Reproductive Medicine, Guangdong Women and Children Hospital, Guangzhou, China
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11
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Meulders B, Marei WFA, Xhonneux I, Loier L, Smits A, Leroy JLMR. Preconception Diet Interventions in Obese Outbred Mice and the Impact on Female Offspring Metabolic Health and Oocyte Quality. Int J Mol Sci 2024; 25:2236. [PMID: 38396912 PMCID: PMC10888670 DOI: 10.3390/ijms25042236] [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: 12/27/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Obese individuals often suffer from metabolic health disorders and reduced oocyte quality. Preconception diet interventions in obese outbred mice restore metabolic health and oocyte quality and mitochondrial ultrastructure. Also, studies in inbred mice have shown that maternal obesity induces metabolic alterations and reduces oocyte quality in offspring (F1). Until now, the effect of maternal high-fat diet on F1 metabolic health and oocyte quality and the potential beneficial effects of preconception dietary interventions have not been studied together in outbred mice. Therefore, we fed female mice a high-fat/high-sugar (HF/HS) diet for 7 weeks and switched them to a control (CONT) or caloric-restriction (CR) diet or maintained them on the HF/HS diet for 4 weeks before mating, resulting in three treatment groups: diet normalization (DN), CR, and HF/HS. In the fourth group, mice were fed CONT diet for 11 weeks (CONT). HF/HS mice were fed an HF/HS diet from conception until weaning, while all other groups were then fed a CONT diet. After weaning, offspring were kept on chow diet and sacrificed at 11 weeks. We observed significantly elevated serum insulin concentrations in female HF/HS offspring and a slightly increased percentage of mitochondrial ultrastructural abnormalities, mitochondrial size, and mitochondrial mean gray intensity in HF/HS F1 oocytes. Also, global DNA methylation was increased and cellular stress-related proteins were downregulated in HF/HS F1 oocytes. Mostly, these alterations were prevented in the DN group, while, in CR, this was only the case for a few parameters. In conclusion, this research has demonstrated for the first time that a maternal high-fat diet in outbred mice has a moderate impact on female F1 metabolic health and oocyte quality and that preconception DN is a better strategy to alleviate this compared to CR.
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Affiliation(s)
- Ben Meulders
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
| | - Waleed F. A. Marei
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
- Faculty of Veterinary Medicine, Department of Theriogenology, Cairo University, Giza 12211, Egypt
| | - Inne Xhonneux
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
| | - Lien Loier
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
| | - Anouk Smits
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
| | - Jo L. M. R. Leroy
- Gamete Research Centre, Laboratory of Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, 2610 Antwerp, Belgium; (B.M.); (W.F.A.M.); (I.X.); (L.L.); (A.S.)
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12
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Fabozzi G, Cimadomo D, Maggiulli R, Vaiarelli A, Badajoz V, Aura M, Canosa S, Bongioanni F, Benini F, Livi C, Zacà C, Borini A, Alviggi E, Iussig B, Hebles M, Sànchez P, Cimadomo V, Rienzi L, Llàcer J. Association between oocyte donors' or recipients' body mass index and clinical outcomes after first single blastocyst transfers-the uterus is the most affected. Fertil Steril 2024; 121:281-290. [PMID: 37549838 DOI: 10.1016/j.fertnstert.2023.07.029] [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: 02/28/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE To assess whether high body mass index (BMI) in either oocyte donors or recipients is associated with poorer outcomes after the first single blastocyst transfer. DESIGN Retrospective study including 1,394 first blastocyst single embryo transfers (SETs) conducted by 1,394 recipients during oocyte donation cycles with the gametes retrieved from 1,394 women (January 2019-July 2021). Four BMI clusters were defined for both donors and recipients (underweight: <18.5 kg; normal weight: 18.5-24.9 kg; overweight: 25-29.9 kg; and obese: ≥30 kg). SETTING Network of private IVF centers. PATIENTS A total of 1,394 recipients aged 42.4 ± 4.0 and with a BMI of 23.2 ± 3.8 kg/m2, and 1,394 donors aged 26.1 ± 4.2 and with a BMI of 21.9 ± 2.5 kg/m2. INTERVENTION All oocytes were vitrified at 2 egg banks and warmed at 8 in vitro fertilization clinics that were part of the same network. Intracytoplasmic sperm injection, blastocyst culture, and either fresh or vitrified-warmed SETs were conducted. Putative confounders were investigated, and the data were adjusted through regression analyses. MAIN OUTCOME MEASURES The primary outcome was the live birth rate (LBR) per SET according to donors' and/or recipients' BMI. The main secondary outcome was the miscarriage rate (<22 gestational weeks) per clinical pregnancy. RESULTS The LBR per blastocyst SET showed no significant association with donors' BMI. Regarding recipients' BMI, instead, the multivariate odds ratio was significant in obese vs. normal-weight recipients (0.58, 95% confidence interval, 0.37-0.91). The miscarriage rate per clinical pregnancy was also significantly associated with recipients' obesity, with a multivariate odds ratio of 2.31 (95% confidence interval, 1.18-4.51) vs. normal-weight patients. A generalized additive model method was used to represent the relationship between predicted LBR or miscarriage rates and donors' or recipients' BMI; it pictured a scenario where the former outcome moderately but continuously decreases with increasing recipients' BMI to then sharply decline in the BMI range of 25-35 kg/m2. The miscarriage rate, instead, increases almost linearly with respect to both donors' and recipients' increasing BMI. CONCLUSION Obesity mostly affects the uterus, especially because of higher miscarriage rates. Yet, poorer outcomes can be appreciated already with a BMI of 25 kg/m2 in both oocyte donors and recipients. Finer markers of nutritional homeostasis are therefore desirable; recipients should be counseled about poorer expected outcomes in cases of overweight and obesity; and oocyte banks should avoid assigning oocytes from overweight donors to overweight and obese recipients.
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Affiliation(s)
- Gemma Fabozzi
- IVIRMA Global Research Alliance, GENERA, Clinica Valle Giulia, Rome, Italy; IVIRMA Global Research Alliance, B-WOMAN, Rome, Italy; Department of Biomedicine and Prevention, University of Rome, Tor Vergata, Rome, Italy
| | - Danilo Cimadomo
- IVIRMA Global Research Alliance, GENERA, Clinica Valle Giulia, Rome, Italy.
| | - Roberta Maggiulli
- IVIRMA Global Research Alliance, GENERA, Clinica Valle Giulia, Rome, Italy
| | - Alberto Vaiarelli
- IVIRMA Global Research Alliance, GENERA, Clinica Valle Giulia, Rome, Italy
| | | | - Monica Aura
- IVIRMA Global Research Alliance, GINEFIV, Barcelona, Spain
| | | | | | | | - Claudia Livi
- IVIRMA Global Research Alliance, DEMETRA, Florence, Italy
| | - Carlotta Zacà
- IVIRMA Global Research Alliance, 9.baby, Bologna, Italy
| | - Andrea Borini
- IVIRMA Global Research Alliance, 9.baby, Bologna, Italy
| | - Erminia Alviggi
- IVIRMA Global Research Alliance, GENERA, Clinica Ruesch, Naples, Italy
| | - Benedetta Iussig
- IVIRMA Global Research Alliance, GENERA, GENERA Veneto, Marostica, Italy
| | - Maria Hebles
- IVIRMA Global Research Alliance, GINEMED, Sevilla, Spain
| | | | | | - Laura Rienzi
- IVIRMA Global Research Alliance, GENERA, Clinica Valle Giulia, Rome, Italy; Department of Biomolecular Sciences, the University of Urbino "Carlo Bo", Urbino, Italy
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13
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Kordowitzki P, Graczyk S, Haghani A, Klutstein M. Oocyte Aging: A Multifactorial Phenomenon in A Unique Cell. Aging Dis 2024; 15:5-21. [PMID: 37307833 PMCID: PMC10796106 DOI: 10.14336/ad.2023.0527] [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: 05/06/2023] [Accepted: 05/27/2023] [Indexed: 06/14/2023] Open
Abstract
The oocyte is considered to be the largest cell in mammalian species. Women hoping to become pregnant face a ticking biological clock. This is becoming increasingly challenging as an increase in life expectancy is accompanied by the tendency to conceive at older ages. With advancing maternal age, the fertilized egg will exhibit lower quality and developmental competence, which contributes to increased chances of miscarriage due to several causes such as aneuploidy, oxidative stress, epigenetics, or metabolic disorders. In particular, heterochromatin in oocytes and with it, the DNA methylation landscape undergoes changes. Further, obesity is a well-known and ever-increasing global problem as it is associated with several metabolic disorders. More importantly, both obesity and aging negatively affect female reproduction. However, among women, there is immense variability in age-related decline of oocytes' quantity, developmental competence, or quality. Herein, the relevance of obesity and DNA-methylation will be discussed as these aspects have a tremendous effect on female fertility, and it is a topic of continuous and widespread interest that has yet to be fully addressed for the mammalian oocyte.
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Affiliation(s)
- Pawel Kordowitzki
- Department of Preclinical and Basic Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Torun, Poland.
| | - Szymon Graczyk
- Department of Preclinical and Basic Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Torun, Poland.
| | - Amin Haghani
- Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- Altos Labs, San Diego, CA, USA.
| | - Michael Klutstein
- Institute of Biomedical and Oral Research, Hebrew University of Jerusalem, Jerusalem, Israel
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14
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Bakkensen JB, Strom D, Boots CE. Frozen embryo transfer outcomes decline with increasing female body mass index in female but not male factor infertility: analysis of 56,564 euploid blastocyst transfers. Fertil Steril 2024; 121:271-280. [PMID: 37549839 DOI: 10.1016/j.fertnstert.2023.07.027] [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: 01/20/2023] [Revised: 04/11/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE To evaluate the association of body mass index (BMI) with cycle outcomes after euploid frozen blastocyst transfer. DESIGN Retrospective cohort study. SETTING Not applicable. PATIENT(S) A total of 56,564 first single autologous euploid frozen embryo transfers from the 2016-2019 Society for Assisted Reproductive Technology database were analyzed using BMI and using World Health Organization BMI cohorts. Subanalyses were performed on cycles among patients with a sole diagnosis of polycystic ovary syndrome (PCOS) (n = 4,626) and among patients with only a male factor (n = 10,854). INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Clinical pregnancy, pregnancy loss, and live birth (LB). RESULT(S) Success rates and adjusted odds ratios (aORs) with 95% confidence intervals (CIs) for all outcomes were most favorable among those with normal BMI and progressively worsened with increasing BMI. These trends persisted among patients with PCOS for clinical pregnancy (aOR, 0.99; 95% CI, 0.98-0.997), pregnancy loss (aOR, 1.02; 95% CI, 1.01-1.04), and LB (aOR, 0.98; 95% CI, 0.97-0.99), but not among patients with a male factor only for clinical pregnancy (aOR, 1.00; 95% CI, 0.99-1.01), pregnancy loss (aOR, 1.01; 95% CI, 0.99-1.03), or LB (aOR, 0.99; 95% CI, 0.98-1.00). CONCLUSION(S) In the largest cohort to date, increasing BMI was associated with decreased pregnancy and LB and increased pregnancy loss after euploid frozen embryo transfers among the entire cohort and among patients with a sole diagnosis of PCOS; however, these results were attenuated among patients with a sole diagnosis of male factor infertility, suggesting that associated female infertility diagnoses and not BMI alone may underlie this trend.
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Affiliation(s)
- Jennifer B Bakkensen
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
| | - Danielle Strom
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Christina E Boots
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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15
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Inoue Y, Fukushima M, Hirasawa G, Furukawa F, Takeda H, Umatani C. Maternal High-Fat Diet Affects the Contents of Eggs and Causes Abnormal Development in the Medaka Fish. Endocrinology 2024; 165:bqae006. [PMID: 38279936 DOI: 10.1210/endocr/bqae006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/10/2024] [Accepted: 01/24/2024] [Indexed: 01/29/2024]
Abstract
Maternal nutritional status can affect development and metabolic phenotypes of progeny in animals. The effects of maternal diet are thought to be mediated mainly by changes inside oocytes such as organelles, maternal RNAs, and metabolites. However, to what extent each factor contributes to offspring phenotypes remains uncertain, especially in viviparous mammalian systems, where factors other than oocytes, such as placenta and milk, need to be considered. Here, using the medaka fish as an oviparous vertebrate model, we examined whether maternal high-fat diet (mHFD) feeding affects offspring development and what kind of changes occur in the contents of mature eggs. We found that mHFD caused the high frequency of embryonic deformities of offspring, accompanied by downregulation of transcription- and translation-related genes and zygotic transcripts at the blastula stage. Transcriptomic and metabolomic analyses of mature eggs suggested decreased catabolism of amino acids and glycogen, moderate upregulation of endoplasmic reticulum stress-related genes, and elevated lipid levels in mHFD eggs. Furthermore, high-fat diet females showed a higher incidence of oocyte atresia and downregulation of egg protein genes in the liver. These data suggest that attenuated amino acid catabolism triggered by decreased yolk protein load/processing, as well as elevated lipid levels inside eggs, are the prime candidates that account for the higher incidence of embryonic deformities in mHFD offspring. Our study presents a comprehensive data on the changes inside eggs in a mHFD model of nonmammalian vertebrates and provides insights into the mechanisms of parental nutritional effects on offspring.
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Affiliation(s)
- Yusuke Inoue
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Manatsu Fukushima
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Go Hirasawa
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Department of Agricultural and Environmental Biology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Fumiya Furukawa
- School of Marine Biosciences, Kitasato University, Kanagawa 252-0373, Japan
| | - Hiroyuki Takeda
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto 603-8555, Japan
| | - Chie Umatani
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Division of Applied Biological Chemistry, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
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16
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Ermisch AF, Wood JR. Regulation of Oocyte mRNA Metabolism: A Key Determinant of Oocyte Developmental Competence. ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2024; 238:23-46. [PMID: 39030353 DOI: 10.1007/978-3-031-55163-5_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
The regulation of mRNA transcription and translation is uncoupled during oogenesis. The reason for this uncoupling is two-fold. Chromatin is only accessible to the transcriptional machinery during the growth phase as it condenses prior to resumption of meiosis to ensure faithful segregation of chromosomes during meiotic maturation. Thus, transcription rates are high during this time period in order to produce all of the transcripts needed for meiosis, fertilization, and embryo cleavage until the newly formed embryonic genome becomes transcriptionally active. To ensure appropriate timing of key developmental milestones including chromatin condensation, resumption of meiosis, segregation of chromosomes, and polar body extrusion, the translation of protein from transcripts synthesized during oocyte growth must be temporally regulated. This is achieved by the regulation of mRNA interaction with RNA binding proteins and shortening and lengthening of the poly(A) tail. This chapter details the essential factors that regulate the dynamic changes in mRNA synthesis, storage, translation, and degradation during oocyte growth and maturation.
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Affiliation(s)
- Alison F Ermisch
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Jennifer R Wood
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE, USA.
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17
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Orisaka M, Mizutani T, Miyazaki Y, Shirafuji A, Tamamura C, Fujita M, Tsuyoshi H, Yoshida Y. Chronic low-grade inflammation and ovarian dysfunction in women with polycystic ovarian syndrome, endometriosis, and aging. Front Endocrinol (Lausanne) 2023; 14:1324429. [PMID: 38192421 PMCID: PMC10773729 DOI: 10.3389/fendo.2023.1324429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/01/2023] [Indexed: 01/10/2024] Open
Abstract
The ovarian microenvironment is critical for follicular development and oocyte maturation. Maternal conditions, including polycystic ovary syndrome (PCOS), endometriosis, and aging, may compromise the ovarian microenvironment, follicular development, and oocyte quality. Chronic low-grade inflammation can induce oxidative stress and tissue fibrosis in the ovary. In PCOS, endometriosis, and aging, pro-inflammatory cytokine levels are often elevated in follicular fluids. In women with obesity and PCOS, hyperandrogenemia and insulin resistance induce ovarian chronic low-grade inflammation, thereby disrupting follicular development by increasing oxidative stress. In endometriosis, ovarian endometrioma-derived iron overload can induce chronic inflammation and oxidative stress, leading to ovarian ferroptosis and fibrosis. In inflammatory aging (inflammaging), senescent cells may secrete senescence-associated secretory phenotype factors, causing chronic inflammation and oxidative stress in the ovary. Therefore, controlling chronic low-grade inflammation and fibrosis in the ovary would present a novel therapeutic strategy for improving the follicular microenvironment and minimizing ovarian dysfunction.
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Affiliation(s)
- Makoto Orisaka
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Tetsuya Mizutani
- Department of Nursing, Faculty of Nursing and Welfare Sciences, Fukui Prefectural University, Fukui, Japan
| | - Yumiko Miyazaki
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Aya Shirafuji
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Chiyo Tamamura
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Masayuki Fujita
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
| | - Hideaki Tsuyoshi
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
- Department of Obstetrics and Gynecology, Ishikawa Prefectural Central Hospital, Ishikawa, Japan
| | - Yoshio Yoshida
- Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Fukui, Fukui, Japan
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18
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Sridhar A, Khan D, Moffett RC. The impact of diabetes and obesity on fertility and the potential role of gut hormones as treatment. Diabet Med 2023; 40:e15230. [PMID: 37734917 DOI: 10.1111/dme.15230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/12/2023] [Accepted: 09/17/2023] [Indexed: 09/23/2023]
Abstract
AIMS Alongside its metabolic implications, obesity and associated diabetes impair female reproductive function, causing infertility and polycystic ovarian syndrome (PCOS). Recently, gut hormones and their receptors have been identified in various reproductive organs indicating their potential regulatory effects on reproductive function. This review aims to give an overview of their potential effects. METHODS This review focuses on literature that outlines modifications during obesity, diabetes and related infertility with an emphasis on gut hormones and their therapeutic potential. RESULTS Evidence suggests that bariatric surgery has positive effects on fertility and PCOS where major alterations in metabolism occurs through restoration of gut hormone levels. This is thought to be due to the indirect effect weight loss and regulation of blood glucose has on the hypothalamic-pituitary-ovarian and hypothalamic-pituitary-adrenal axis influencing reproduction. CONCLUSIONS Further research is required to elucidate the cellular mechanisms involved in the direct effects of gut hormone receptor activation on reproductive tissues. Current observations suggest a therapeutic role for gut hormones in infertility/PCOS associated with metabolic pathophysiology.
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Affiliation(s)
- Ananyaa Sridhar
- Biomedical Sciences Research Institute, School of Biomedical Sciences, Ulster University, Coleraine, UK
| | - Dawood Khan
- Biomedical Sciences Research Institute, School of Biomedical Sciences, Ulster University, Coleraine, UK
| | - R Charlotte Moffett
- Biomedical Sciences Research Institute, School of Biomedical Sciences, Ulster University, Coleraine, UK
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19
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Rabah HM, Mohamed DA, Mariah RA, Abd El-Khalik SR, Khattab HA, AbuoHashish NA, Abdelsattar AM, Raslan MA, Farghal EE, Eltokhy AK. Novel insights into the synergistic effects of selenium nanoparticles and metformin treatment of letrozole - induced polycystic ovarian syndrome: targeting PI3K/Akt signalling pathway, redox status and mitochondrial dysfunction in ovarian tissue. Redox Rep 2023; 28:2160569. [PMID: 36661246 PMCID: PMC9870018 DOI: 10.1080/13510002.2022.2160569] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
PURPOSE Polycystic ovary syndrome (PCOS) has a series of reproductive and metabolic consequences. Although the link between PCOS, IR, and obesity, their impact on the pathogenesis of PCOS has yet to be determined. Dysfunction of PI3K/AKT pathway has been reported as the main cause of IR in PCOS. This study purposed to explore the effects of selenium nanoparticles (SeNPs) alone and combined with metformin (MET) in a PCOS-IR rat model. METHODS After 3 weeks of treatment with SeNPs and/or MET, biochemical analysis of glycemic & lipid profiles, and serum reproductive hormones was performed. Inflammatory, oxidative stress, and mitochondrial dysfunction markers were determined colormetrically. The expression of PI3K and Akt genes were evaluated by Real-time PCR. Histopathological examination and Immunohistochemical analysis of Ki-67 expression were performed. RESULTS The results showed that treatment with SeNPs and/or MET significantly attenuated insulin sensitivity, lipid profile, sex hormones levels, inflammatory, oxidative stress and mitochondrial functions markers. Additionally, PI3K and Akt genes expression were significantly upregulated with improved ovarian histopathological changes. CONCLUSION Combined SeNPs and MET therapy could be potential therapeutic agent for PCOS-IR model via modulation of the PI3K/Akt pathway, enhancing anti-inflammatory and anti-oxidant properties and altered mitochondrial functions. HighlightsThe strong relationship between obesity, insulin resistance, and polycystic ovarian syndrome.Disturbance of the PI3K/Akt signaling pathway is involved in the progression of polycystic ovary syndrome-insulin resistance (PCOS-IR).In PCOS-IR rats, combined SeNPs and metformin therapy considerably alleviated IR by acting on the PI3K/Akt signaling pathway.The combination of SeNPs and metformin clearly repaired ovarian polycystic pathogenesis and improved hormonal imbalance in PCOS-IR rats.
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Affiliation(s)
- Hanem M. Rabah
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Darin A. Mohamed
- Histopathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Reham A. Mariah
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | - Haidy A. Khattab
- Medical Physiology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | | | - Mohamed A. Raslan
- Gynecology and Obstetrics Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Eman E. Farghal
- Clinical and Chemical Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Amira K. Eltokhy
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt, Amira K. Eltokhy ; Medical Biochemistry Department, Faculty of Medicine, Tanta University, El Geesh Street, Tanta, Egypt
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20
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Gallardo Paffetti M, Cárcamo JG, Azócar-Aedo L, Parra A. Effect of a Diet-Induced Obesity on the Progeny Response in a Murine Model. Nutrients 2023; 15:4970. [PMID: 38068828 PMCID: PMC10708177 DOI: 10.3390/nu15234970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023] Open
Abstract
Diet-induced obesity could have detrimental effects on adults and their progeny. The aim of this study was to determine the effect of a high-energy diet on both F1 mice body weight and tissue/organ weight and F2 offspring growth. A simple murine model for obesity was developed using a high-energy diet and mice reared in litters of five or ten, from 30 dams receiving a cafeteria diet of either commercial chow (low energy), or a mixture of commercial chow, chocolate (50% cacao), and salty peanuts (high energy). This diet continued from mating until weaning, when the pups were allocated according to sex into eight groups based on maternal diet, litter size, and post-weaning diet. On day 74, the males were slaughtered, and the females were bred then slaughtered after lactation. As a result, the high-energy maternal diet increased the F1 offspring growth during lactation, while the high-energy post-weaning diet increased the F1 adult body weight and tissue/organ weight. The high-energy maternal diet could negatively affect the onset of the F1 but not the maintenance of breastfeeding of F1 and F2 offspring. For F2 offspring growth, the high energy overlapped the low-energy post-weaning diet, due to problems of gaining weight during lactation.
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Affiliation(s)
- Maria Gallardo Paffetti
- Escuela de Medicina Veterinaria, Facultad de Ciencias, Universidad Mayor, Santiago 8580000, Chile
| | - Juan G. Cárcamo
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile;
| | - Lucía Azócar-Aedo
- Escuela de Medicina Veterinaria, Facultad de Ciencias de la Naturaleza, Universidad San Sebastián, Puerto Montt 5480000, Chile;
| | - Angel Parra
- Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1780000, Chile;
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21
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Muhammad T, Wan Y, Lv Y, Li H, Naushad W, Chan WY, Lu G, Chen ZJ, Liu H. Maternal obesity: A potential disruptor of female fertility and current interventions to reduce associated risks. Obes Rev 2023; 24:e13603. [PMID: 37452501 DOI: 10.1111/obr.13603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 05/17/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023]
Abstract
Currently, obesity has achieved epidemic levels in reproductive-aged women with a myriad of consequences. Obesity is susceptible to several reproductive complications that eventually affect fertility rates. These complications originate from the deteriorated quality of oocytes from mothers with obesity, which increases the probability of chromosomal aneuploidy, elevated reactive oxygen species production, compromised embryonic developmental competency, and eventually reduced fertility. Maternal obesity is linked to pregnancy complications such as implantation error, abortion, miscarriage, and early pregnancy loss. This review highlights the adverse effects of maternal obesity on female fertility, with a focus on the mechanistic link between maternal obesity and oocyte quality and discusses possible measures to reduce its associated risks.
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Affiliation(s)
- Tahir Muhammad
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
- Department of Cell Biology and Anatomy, New York Medical College, 15 Dana Road, Valhalla, NY, 10595, USA
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, 54000, Pakistan
| | - Yanling Wan
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
| | - Yue Lv
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Hanzhen Li
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
| | - Wasifa Naushad
- Department of Pathology, Microbiology and Immunology, New York Medical College, 15 Dana Road, Valhalla, NY, 10595, USA
| | - Wai-Yee Chan
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Gang Lu
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, 999077, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences, China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, 200000, China
| | - Hongbin Liu
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- State Key Laboratory of Reproductive Medicine and Offspring Health, Jinan, Shandong, 250012, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, 999077, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences, China
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22
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Sang Y, Yang Q, Guo Y, Liu X, Shen D, Jiang C, Wang X, Li K, Wang H, Yang C, Ding L, Sun H, Guo X, Li C. Oocytes orchestrate protein prenylation for mitochondrial function through selective inactivation of cholesterol biosynthesis in murine species. J Biol Chem 2023; 299:105183. [PMID: 37611828 PMCID: PMC10534227 DOI: 10.1016/j.jbc.2023.105183] [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: 03/12/2023] [Revised: 07/18/2023] [Accepted: 08/10/2023] [Indexed: 08/25/2023] Open
Abstract
Emerging research and clinical evidence suggest that the metabolic activity of oocytes may play a pivotal role in reproductive anomalies. However, the intrinsic mechanisms governing oocyte development regulated by metabolic enzymes remain largely unknown. Our investigation demonstrates that geranylgeranyl diphosphate synthase1 (Ggps1), the crucial enzyme in the mevalonate pathway responsible for synthesizing isoprenoid metabolite geranylgeranyl pyrophosphate from farnesyl pyrophosphate, is essential for oocyte maturation in mice. Our findings reveal that the deletion of Ggps1 that prevents protein prenylation in fully grown oocytes leads to subfertility and offspring metabolic defects without affecting follicle development. Oocytes that lack Ggps1 exhibit disrupted mitochondrial homeostasis and the mitochondrial defects arising from oocytes are inherited by the fetal offspring. Mechanistically, the excessive farnesylation of mitochondrial ribosome protein, Dap3, and decreased levels of small G proteins mediate the mitochondrial dysfunction induced by Ggps1 deficiency. Additionally, a significant reduction in Ggps1 levels in oocytes is accompanied by offspring defects when females are exposed to a high-cholesterol diet. Collectively, this study establishes that mevalonate pathway-protein prenylation is vital for mitochondrial function in oocyte maturation and provides evidence that the disrupted protein prenylation resulting from an imbalance between farnesyl pyrophosphate and geranylgeranyl pyrophosphate is the major mechanism underlying impairment of oocyte quality induced by high cholesterol.
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Affiliation(s)
- Yongjuan Sang
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Qiwen Yang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China
| | - Yueshuai Guo
- State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China
| | - Xiaofei Liu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China
| | - Di Shen
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Chen Jiang
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Xinying Wang
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Kang Li
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Haiquan Wang
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Chaofan Yang
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China
| | - Lijun Ding
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Haixiang Sun
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.
| | - Xuejiang Guo
- State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China.
| | - Chaojun Li
- Modern Animal Research Center of Medical School, Nanjing University, Nanjing, China; State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China.
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23
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Khan SA, Reed L, Schoolcraft WB, Yuan Y, Krisher RL. Control of mitochondrial integrity influences oocyte quality during reproductive aging. Mol Hum Reprod 2023; 29:gaad028. [PMID: 37594790 DOI: 10.1093/molehr/gaad028] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 07/07/2023] [Indexed: 08/19/2023] Open
Abstract
Reduced quality in oocytes from women of advanced maternal age (AMA) is associated with dysfunctional mitochondria. The objective of this study was to investigate the mechanisms controlling mitochondrial quality during maternal aging in mouse and human oocytes. We first evaluated the expression of proteins involved in the mitochondrial unfolded protein response (UPRmt) and mitophagy in in vivo matured metaphase II (MII) oocytes collected from young and aged mice. Expression of UPRmt proteins, HSPD1 and LONP1, and mitophagy proteins, total-PRKN and phosphorylated-PRKN, was significantly decreased in aged compared to young oocytes. Treatment of aged oocytes during in vitro maturation with the mitochondrially targeted antioxidant mitoquinone (MQ) specifically restored total-PRKN and phosphorylated-PRKN expression to levels seen in young oocytes. We next investigated whether maturing young oocytes under a high-oxygen environment would mimic the effects observed in oocytes from aged females. Phosphorylated-PRKN expression in oxidatively stressed young oocytes was reduced compared to that in oocytes matured under normal oxygen levels, and the mitochondrial DNA (mtDNA) copy number was increased. Treating oxidatively challenged young oocytes with MQ restored the phosphorylated-PRKN expression and mtDNA copy numbers. Treatment of oxidatively challenged oocytes with MQ also increased the co-localization of mitochondria and lysosomes, suggesting increased mitophagy. These data correlated with the developmental potential of the oocytes, as blastocyst development and hatching of oxidatively stressed oocytes were reduced, while treatment with MQ resulted in a significant increase in blastocyst development and hatching, and in the percentage of inner cell mass. Consistent with our results in mice, MII oocytes from women of AMA exhibited a significant decrease in phosphorylated-PKRN and total-PRKN compared to those of young women. Our findings suggest that the protein machinery to control the health of the mitochondria via UPRmt and mitophagy may be compromised in oocytes from aged females, which may result in inefficient clearance of dysfunctional mitochondria and reduced oocyte quality.
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Affiliation(s)
- Shaihla A Khan
- Colorado Center for Reproductive Medicine, Lone Tree, CO, USA
- Genus plc, DeForest, WI, USA
| | - Laura Reed
- Colorado Center for Reproductive Medicine, Lone Tree, CO, USA
| | | | - Ye Yuan
- Colorado Center for Reproductive Medicine, Lone Tree, CO, USA
| | - Rebecca L Krisher
- Colorado Center for Reproductive Medicine, Lone Tree, CO, USA
- Genus plc, DeForest, WI, USA
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24
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Elías-López AL, Vázquez-Mena O, Sferruzzi-Perri AN. Mitochondrial dysfunction in the offspring of obese mothers and it's transmission through damaged oocyte mitochondria: Integration of mechanisms. Biochim Biophys Acta Mol Basis Dis 2023:166802. [PMID: 37414229 DOI: 10.1016/j.bbadis.2023.166802] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/23/2023] [Accepted: 06/29/2023] [Indexed: 07/08/2023]
Abstract
In vivo and in vitro studies demonstrate that mitochondria in the oocyte, are susceptible to damage by suboptimal pre/pregnancy conditions, such as obesity. These suboptimal conditions have been shown to induce mitochondrial dysfunction (MD) in multiple tissues of the offspring, suggesting that mitochondria of oocytes that pass from mother to offspring, can carry information that can programme mitochondrial and metabolic dysfunction of the next generation. They also suggest that transmission of MD could increase the risk of obesity and other metabolic diseases in the population inter- and trans-generationally. In this review, we examined whether MD observed in offspring tissues of high energetic demand, is the result of the transmission of damaged mitochondria from obese mothers' oocytes to the offspring. The contribution of genome-independent mechanisms (namely mitophagy) in this transmission were also explored. Finally, potential interventions aimed at improving oocyte/embryo health were investigated, to see if they may provide an opportunity to halter the generational effects of MD.
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Affiliation(s)
- A L Elías-López
- Dirección de Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán", Mexico.
| | | | - A N Sferruzzi-Perri
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, UK.
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25
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Akgün N, Cimşit Kemahlı MN, Pradas JB. The effect of dietary habits on oocyte/sperm quality. J Turk Ger Gynecol Assoc 2023; 24:125-137. [PMID: 37283851 PMCID: PMC10258567 DOI: 10.4274/jtgga.galenos.2023.2022-7-15] [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: 09/01/2022] [Accepted: 02/17/2023] [Indexed: 06/08/2023] Open
Abstract
The effects of diet and nutritional habits on reproductive cells can be categorized in a variety of ways. In this review, the literature is divided, based on the dietary consumption effects on oocytes and sperm. Topics on dietary patterns and the intrauterine effect of maternal nutrition are covered. In general fruits, vegetables, whole greens, fish, legumes, and also dietary sources containing unsaturated fats can improve reproductive germ cell quality. In epidemiological studies, the food intake frequency questionnaire is one of the most common methods to assess diet. Due to methodological heterogeneity in dietary assessment and inadequacy in the measurement of dietary intake in the questionnaires used, several unreliable results may be reported. Thus, the quality of evidence needs to be improved, since nutritional diets may not be so simply objective and they are inadequate to explain obvious underlining mechanisms. In addition, various compounds that may be ingested can affect molecular mechanisms, influenced by other external factors (drugs, pesticides, smoking, alcohol) and changes in human nutritional parameters. Artificial Intelligence has recently gained widespread interest and may have a role in accurate analysis of dietary patterns for optimal nutritional benefit. Therefore, future prospective randomized studies and objective measurements, consisting of molecular level analysis of the impact on cells and clear-cut methods are needed for accurate assessment of the effect of dietary habits on reproductive treatment.
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Affiliation(s)
- Nilüfer Akgün
- Clinic of Obstetrics and Gynecology, University of Health Sciences Turkey, Etlik Zübeyde Hanım Training and Research Hospital, Ankara Turkey
| | - Miray Nilüfer Cimşit Kemahlı
- Clinic of Obstetrics and Gynecology, University of Health Sciences Turkey, Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, İstanbul, Turkey
| | - José Bellver Pradas
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Valencia, Spain
- IVI Foundation, Health Research Institute La Fe, Valencia, Spain
- IVI-RMA Valencia, Valencia, Spain
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26
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Han Y, Wu H, Sun S, Zhao R, Deng Y, Zeng S, Chen J. Effect of High Fat Diet on Disease Development of Polycystic Ovary Syndrome and Lifestyle Intervention Strategies. Nutrients 2023; 15:2230. [PMID: 37432488 PMCID: PMC10180647 DOI: 10.3390/nu15092230] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/01/2023] [Accepted: 05/04/2023] [Indexed: 07/12/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is a prevalent endocrine and metabolic disorder that affects premenopausal women. The etiology of PCOS is multifaceted, involving various genetic and epigenetic factors, hypothalamic-pituitary-ovarian dysfunction, androgen excess, insulin resistance, and adipose-related mechanisms. High-fat diets (HFDs) has been linked to the development of metabolic disorders and weight gain, exacerbating obesity and impairing the function of the hypothalamic-pituitary-ovarian axis. This results in increased insulin resistance, hyperinsulinemia, and the release of inflammatory adipokines, leading to heightened fat synthesis and reduced fat breakdown, thereby worsening the metabolic and reproductive consequences of PCOS. Effective management of PCOS requires lifestyle interventions such as dietary modifications, weight loss, physical activity, and psychological well-being, as well as medical or surgical interventions in some cases. This article systematically examines the pathological basis of PCOS and the influence of HFDs on its development, with the aim of raising awareness of the connection between diet and reproductive health, providing a robust approach to lifestyle interventions, and serving as a reference for the development of targeted drug treatments.
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Affiliation(s)
- Yingxue Han
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Hao Wu
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Siyuan Sun
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China
| | - Rong Zhao
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yifan Deng
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Shenming Zeng
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Juan Chen
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China
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Liu L, Zhuo Y, Zhang H, Li J, Jiang X, Han X, Chao J, Feng B, Che L, Xu S, Lin Y, Li J, Fang Z, Sun M, Luo T, Wu D, Hua L. Time-restricted feeding ameliorates uterine epithelial estrogen receptor α transcriptional activity at the time of embryo implantation in mice fed a high-fat diet. J Nutr 2023:S0022-3166(23)37555-2. [PMID: 37062485 DOI: 10.1016/j.tjnut.2023.04.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/18/2023] Open
Abstract
BACKGROUND More than 30% of reproductive-age women are obese or overweight. Obesity and exposure to a high-fat diet (HFD) detrimentally affect endometrial development and embryo implantation. We previously reported that time-restricted feeding (TRF) improved ovarian follicular development, but whether and how TRF modulates embryo implantation are poorly understood. OBJECTIVE We investigated the effect of TRF on embryo implantation. METHODS In TRF group, mice had 10 hours of food free access from 9 pm to 7 am, and fed a normal diet or a HFD. Tail vein injection of Chicago blue dye was used to examine embryo implantation sites at day 5.5 (D5.5) of pregnancy. Serum collected at D0.5 and D4.5 of pregnancy was used to examine the level of estradiol (E2) and progesterone. Uterine estrogen receptor (ER) and progesterone receptor levels and their targeted aquaporins (AQPs) were measured. LC-MS was used to analyze bile acid (BA) composition, and primary hepatocytes were used to test the effects of BA on the expression level of SULT1E1, a key enzyme in estrogen inactivation and elimination. RESULTS We found that TRF prevented HFD-induced embryo loss and alleviated the defect in luminal closure on D4.5 of pregnancy. The cyclic changes of E2 level were lost in mice fed ad libitum but not in TRF mice on the HFD. The HFD increased ERα expression and transcriptional activity, which induced AQP3 and AQP5 expression on D4.5 of pregnancy. TRF prevented the negative effect of the HFD on uterine luminal closure. Furthermore, in vitro and in vivo results showed that BA suppressed estrogen degradation by activating liver SULT1E1 expression. CONCLUSIONS Our findings demonstrated that TRF prevented HFD-induced defects in luminal closure, thereby improving embryonic implantation, and provide novel insights into the effects of dietary intervention on obesity and associated infertility.
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Affiliation(s)
- Luting Liu
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Yong Zhuo
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Haoqi Zhang
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Jing Li
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Xuemei Jiang
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Xingfa Han
- School of Life Sciences, Sichuan Agricultural University, Chengdu, P. R. China
| | - Jin Chao
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Bin Feng
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Lianqiang Che
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Shengyu Xu
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Yan Lin
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Jian Li
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Zhengfeng Fang
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, P.R. China
| | - Ting Luo
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - De Wu
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130.
| | - Lun Hua
- Animal Nutrition Institute, Chengdu, PR China, 611130; Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Chengdu, PR China, 611130; Key Laboratory of Animal Disease-Resistant Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, PR China, 611130.
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28
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Shen C, Fu W, Fang C, Zhou H, Wang L. The impact of weight loss for obese infertile women prior to in vitro fertilization: A retrospective cohort study. Medicine (Baltimore) 2023; 102:e33009. [PMID: 36897698 PMCID: PMC9997800 DOI: 10.1097/md.0000000000033009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/27/2023] [Indexed: 03/11/2023] Open
Abstract
Obesity is detrimental to general health and also reproductive health. This study aimed to evaluate whether weight reduction in obese infertile women prior to in vitro fertilization reduces the total gonadotropin dose and improves pregnancy outcomes. This retrospective cohort study was performed at the Jiaxing Maternity and Child Health Care Hospital between January 2017 and January 2022, and 197 women were enrolled. The women were divided into 2 groups according to the weight loss goal of 5%: weight reduction group A (≥weight loss goal of 5%) and control group A (
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Affiliation(s)
- Chunjuan Shen
- Centre for Reproductive Medicine, Jiaxing University Affiliated Maternity and Child Hospital, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang, China
| | - Weiping Fu
- Centre for Reproductive Medicine, Jiaxing University Affiliated Maternity and Child Hospital, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang, China
| | - Chunxia Fang
- Centre for Reproductive Medicine, Jiaxing University Affiliated Maternity and Child Hospital, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang, China
| | - Huan Zhou
- Traditional Chinese Medicine Department, Jiaxing University Affiliated Maternity and Child Hospital, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang, China
| | - Liping Wang
- Centre for Reproductive Medicine, Jiaxing University Affiliated Maternity and Child Hospital, Jiaxing Maternity and Child Health Care Hospital, Jiaxing, Zhejiang, China
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29
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Sharma Y, Galvão AM. Maternal obesity and ovarian failure: is leptin the culprit? Anim Reprod 2023; 19:e20230007. [PMID: 36855701 PMCID: PMC9968511 DOI: 10.1590/1984-3143-ar2023-0007] [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: 01/10/2023] [Accepted: 01/24/2023] [Indexed: 02/22/2023] Open
Abstract
At the time of its discovery and characterization in 1994, leptin was mostly considered a metabolic hormone able to regulate body weight and energy homeostasis. However, in recent years, a great deal of literature has revealed leptin's pleiotropic nature, through its involvement in numerous physiological contexts including the regulation of the female reproductive tract and ovarian function. Obesity has been largely associated with infertility, and leptin signalling is known to be dysregulated in the ovaries of obese females. Hence, the disruption of ovarian leptin signalling was shown to contribute to the pathophysiology of ovarian failure in obese females, affecting transcriptional programmes in the gamete and somatic cells. This review attempts to uncover the underlying mechanisms contributing to female infertility associated with obesity, as well as to shed light on the role of leptin in the metabolic dysregulation within the follicle, the effects on the oocyte epigenome, and the potential long-term consequence to embryo programming.
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Affiliation(s)
- Yashaswi Sharma
- Institute of Animal Reproduction and Food Research of PAS, Department of Reproductive Immunology and Pathology, Olsztyn, Poland
| | - António Miguel Galvão
- Institute of Animal Reproduction and Food Research of PAS, Department of Reproductive Immunology and Pathology, Olsztyn, Poland,Babraham Institute, Epigenetics Programme, Cambridge, United Kingdom UK,Centre for Trophoblast Research, University of Cambridge, Cambridge, United Kingdom UK,Corresponding author: ;
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30
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Khan SS, Brewer LC, Canobbio MM, Cipolla MJ, Grobman WA, Lewey J, Michos ED, Miller EC, Perak AM, Wei GS, Gooding H. Optimizing Prepregnancy Cardiovascular Health to Improve Outcomes in Pregnant and Postpartum Individuals and Offspring: A Scientific Statement From the American Heart Association. Circulation 2023; 147:e76-e91. [PMID: 36780391 PMCID: PMC10080475 DOI: 10.1161/cir.0000000000001124] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
This scientific statement summarizes the available preclinical, epidemiological, and clinical trial evidence that supports the contributions of prepregnancy (and interpregnancy) cardiovascular health to risk of adverse pregnancy outcomes and cardiovascular disease in birthing individuals and offspring. Unfavorable cardiovascular health, as originally defined by the American Heart Association in 2010 and revised in 2022, is prevalent in reproductive-aged individuals. Significant disparities exist in ideal cardiovascular health by race and ethnicity, socioeconomic status, and geography. Because the biological processes leading to adverse pregnancy outcomes begin before conception, interventions focused only during pregnancy may have limited impact on both the pregnant individual and offspring. Therefore, focused attention on the prepregnancy period as a critical life period for optimization of cardiovascular health is needed. This scientific statement applies a life course and intergenerational framework to measure, modify, and monitor prepregnancy cardiovascular health. All clinicians who interact with pregnancy-capable individuals can emphasize optimization of cardiovascular health beginning early in childhood. Clinical trials are needed to investigate prepregnancy interventions to comprehensively target cardiovascular health. Beyond individual-level interventions, community-level interventions must include and engage key stakeholders (eg, community leaders, birthing individuals, families) and target a broad range of antecedent psychosocial and social determinants. In addition, policy-level changes are needed to dismantle structural racism and to improve equitable and high-quality health care delivery because many reproductive-aged individuals have inadequate, fragmented health care before and after pregnancy and between pregnancies (interpregnancy). Leveraging these opportunities to target cardiovascular health has the potential to improve health across the life course and for subsequent generations.
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31
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Zeng X, Li S, Liu L, Cai S, Ye Q, Xue B, Wang X, Zhang S, Chen F, Cai C, Wang F, Zeng X. Role of functional fatty acids in modulation of reproductive potential in livestock. J Anim Sci Biotechnol 2023; 14:24. [PMID: 36788613 PMCID: PMC9926833 DOI: 10.1186/s40104-022-00818-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 12/04/2022] [Indexed: 02/16/2023] Open
Abstract
Fatty acids are not only widely known as energy sources, but also play important roles in many metabolic pathways. The significance of fatty acids in modulating the reproductive potential of livestock has received greater recognition in recent years. Functional fatty acids and their metabolites improve follicular development, oocyte maturation and embryo development, as well as endometrial receptivity and placental vascular development, through enhancing energy supply and precursors for the synthesis of their productive hormones, such as steroid hormones and prostaglandins. However, many studies are focused on the impacts of individual functional fatty acids in the reproductive cycle, lacking studies involved in deeper mechanisms and optimal fatty acid requirements for specific physiological stages. Therefore, an overall consideration of the combination and synergy of functional fatty acids and the establishment of optimal fatty acid requirement for specific stages is needed to improve reproductive potential in livestock.
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Affiliation(s)
- Xiangzhou Zeng
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Siyu Li
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Lu Liu
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Shuang Cai
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Qianhong Ye
- grid.35155.370000 0004 1790 4137State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Technology, Huazhong Agricultural University, 430070 Wuhan, Hubei China
| | - Bangxin Xue
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Xinyu Wang
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Shihai Zhang
- grid.20561.300000 0000 9546 5767Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, 510642 Guangzhou, China
| | - Fang Chen
- grid.20561.300000 0000 9546 5767Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, 510642 Guangzhou, China
| | - Chuanjiang Cai
- grid.144022.10000 0004 1760 4150College of Animal Science and Technology, Northwest A&F University, 712100 Yangling, Shaanxi China
| | - Fenglai Wang
- grid.22935.3f0000 0004 0530 8290State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193 Beijing, P. R. China ,Beijing Key Laboratory of Bio feed Additives, 100193 Beijing, P. R. China
| | - Xiangfang Zeng
- State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Center, China Agricultural University, 100193, Beijing, P. R. China. .,Beijing Key Laboratory of Bio feed Additives, 100193, Beijing, P. R. China.
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Xia Q, Wang W, Liu Z, Xiao J, Qiao C, Zhao Y, Li B, Liu Y, Peng Y, Yang X, Shi J, Gao X, Wang D. New insights into mechanisms of berberine in alleviating reproductive disorders of polycystic ovary syndrome: Anti-inflammatory properties. Eur J Pharmacol 2023; 939:175433. [PMID: 36535493 DOI: 10.1016/j.ejphar.2022.175433] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022]
Abstract
Polycystic ovary syndrome (PCOS) is a complex reproductive disorder that seriously harms female reproductive health and decreases quality of life. Although spontaneous or assisted ovulation occurs, women with PCOS suffer from poor-quality oocytes and embryos and lower fertilization and final pregnancy rates. Therefore, it is urgent to identify new pathological mechanisms and discover the underlying therapeutic targets for reproductive disorders associated with PCOS. Berberine, one of the famous traditional Chinese medicines, has been shown to improve ovulation and live birth rates in women with PCOS. The effects of berberine on insulin resistance and abnormal glucose and lipid metabolism for restoring the reproductive health of women with PCOS are well recognized and have been widely studied, but much less attention has been given to its anti-inflammatory properties. Chronic low-grade inflammation is the unifying feature of PCOS and may contribute to reproductive disorders in PCOS. Berberine can modulate the inflammatory state of the ovaries and uterus in PCOS. The anti-inflammatory properties of berberine may provide new insight into the mechanisms by which berberine alleviates reproductive disorders associated with PCOS. Here, we summarized the most recent insights into the anti-inflammatory properties of berberine in PCOS reproductive disorders to inspire researchers to pursue new study directions involving berberine.
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Affiliation(s)
- Qing Xia
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Wenjing Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Zijie Liu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Jiaying Xiao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Cong Qiao
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Yu Zhao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Bowen Li
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Yuanli Liu
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China
| | - Yahui Peng
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China
| | - Xinyu Yang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Jiabin Shi
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China
| | - Xu Gao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China.
| | - Dayong Wang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China; Basic Medical Institute, Heilongjiang Medical Science Academy, Harbin, China; Translational Medicine Center of Northern China, Harbin, China; Key Laboratory of Heilongjiang Province for Genetically Modified Animals, Harbin Medical University, Harbin, China.
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33
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Yong W, Wang J, Leng Y, Li L, Wang H. Role of Obesity in Female Reproduction. Int J Med Sci 2023; 20:366-375. [PMID: 36860674 PMCID: PMC9969507 DOI: 10.7150/ijms.80189] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/19/2023] [Indexed: 02/05/2023] Open
Abstract
Contemporary scientists need no "p value" and "relative risk" statistics to be exquisitely aware of the increasing prevalence of obesity and complications posed by obesity. It is now well recognized that obesity is strongly associated with type 2 diabetes, hypertension, vascular disease, tumors and reproductive disorders. Obese women show lower levels of gonadotropin hormones, reduced fecundity, higher miscarriage rates and poorer outcomes of in vitro fertilization, revealing that obesity affects female reproduction. In addition, adipose tissue contains special immune cells and obesity-induced inflammation is a chronic, low-grade inflammatory response. Herein, we mainly review detrimental influences of obesity in the complete process of female reproduction, including hypothalamic-pituitary-ovarian axis, oocyte maturation, embryo and fetal development. In the latter part, we view obesity-induced inflammation and discuss related epigenetic impact on female reproduction.
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Affiliation(s)
- Wei Yong
- Center Laboratory of the Fourth Affiliated Hospital, China Medical University, Shenyang 110032, China
| | - Jiajia Wang
- Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130021, China
| | - Yan Leng
- Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130021, China
| | - Lijie Li
- Third Affiliated Clinical Hospital to Changchun University of Chinese Medicine, Changchun 130021, China
| | - Han Wang
- Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130021, China.,Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
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34
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Charalambous C, Webster A, Schuh M. Aneuploidy in mammalian oocytes and the impact of maternal ageing. Nat Rev Mol Cell Biol 2023; 24:27-44. [PMID: 36068367 DOI: 10.1038/s41580-022-00517-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2022] [Indexed: 11/09/2022]
Abstract
During fertilization, the egg and the sperm are supposed to contribute precisely one copy of each chromosome to the embryo. However, human eggs frequently contain an incorrect number of chromosomes - a condition termed aneuploidy, which is much more prevalent in eggs than in either sperm or in most somatic cells. In turn, aneuploidy in eggs is a leading cause of infertility, miscarriage and congenital syndromes. Aneuploidy arises as a consequence of aberrant meiosis during egg development from its progenitor cell, the oocyte. In human oocytes, chromosomes often segregate incorrectly. Chromosome segregation errors increase in women from their mid-thirties, leading to even higher levels of aneuploidy in eggs from women of advanced maternal age, ultimately causing age-related infertility. Here, we cover the two main areas that contribute to aneuploidy: (1) factors that influence the fidelity of chromosome segregation in eggs of women from all ages and (2) factors that change in response to reproductive ageing. Recent discoveries reveal new error-causing pathways and present a framework for therapeutic strategies to extend the span of female fertility.
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Affiliation(s)
- Chloe Charalambous
- Department of Meiosis, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany
| | - Alexandre Webster
- Department of Meiosis, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany
| | - Melina Schuh
- Department of Meiosis, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.
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35
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Wang J, Kuang Y, Shen S, Price MJ, Lu J, Sattar N, He J, Pittavino M, Xia H, Thomas GN, Qiu X, Cheng KK, Nirantharakumar K. Association of maternal lipid levels with birth weight and cord blood insulin: a Bayesian network analysis. BMJ Open 2022; 12:e064122. [PMID: 36581404 PMCID: PMC9806023 DOI: 10.1136/bmjopen-2022-064122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE To assess the independent association of maternal lipid levels with birth weight and cord blood insulin (CBI) level. SETTING The Born in Guangzhou Cohort Study, Guangzhou, China. PARTICIPANTS Women who delivered between January 2015 and June 2016 and with umbilical cord blood retained were eligible for this study. Those with prepregnancy health conditions, without an available fasting blood sample in the second trimester, or without demographic and glycaemic information were excluded. After random selection, data from 1522 mother-child pairs were used in this study. EXPOSURES AND OUTCOME MEASURES Additive Bayesian network analysis was used to investigate the interdependency of lipid profiles with other metabolic risk factors (prepregnancy body mass index (BMI), fasting glucose and early gestational weight gain) in association with birth weight and CBI, along with multivariable linear regression models. RESULTS In multivariable linear regressions, maternal triglyceride was associated with increased birth weight (adjusted β=67.46, 95% CI 41.85 to 93.06 g per mmol/L) and CBI (adjusted β=0.89, 95% CI 0.06 to 1.72 μU/mL per mmol/L increase), while high-density lipoprotein cholesterol was associated with decreased birth weight (adjusted β=-45.29, 95% CI -85.49 to -5.09 g per mmol/L). After considering the interdependency of maternal metabolic risk factors in the Network analysis, none of the maternal lipid profiles was independently associated with birth weight and CBI. Instead, prepregnancy BMI was the global strongest factor for birth weight and CBI directly and indirectly. CONCLUSIONS Gestational dyslipidaemia appears to be secondary to metabolic dysfunction with no clear association with metabolic adverse outcomes in neonates. Maternal prepregnancy overweight/obesity appears the most influential upstream metabolic risk factor for both maternal and neonatal metabolic health; these data imply weight management may need to be addressed from the preconception period and during early pregnancy.
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Affiliation(s)
- Jingya Wang
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Yashu Kuang
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Research in Structure Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Songying Shen
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Research in Structure Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Malcolm James Price
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Jinhua Lu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Research in Structure Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Naveed Sattar
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Jianrong He
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Research in Structure Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | | | - Huimin Xia
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - G Neil Thomas
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Xiu Qiu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Department of Women's Health, Guangdong Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Kar Keung Cheng
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
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36
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Leroy JLMR, Meulders B, Moorkens K, Xhonneux I, Slootmans J, De Keersmaeker L, Smits A, Bogado Pascottini O, Marei WFA. Maternal metabolic health and fertility: we should not only care about but also for the oocyte! Reprod Fertil Dev 2022; 35:1-18. [PMID: 36592978 DOI: 10.1071/rd22204] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Metabolic disorders due to obesity and unhealthy lifestyle directly alter the oocyte's microenvironment and impact oocyte quality. Oxidative stress and mitochondrial dysfunction play key roles in the pathogenesis. Acute effects on the fully grown oocytes are evident, but early follicular stages are also sensitive to metabolic stress leading to a long-term impact on follicular cells and oocytes. Improving the preconception health is therefore of capital importance but research in animal models has demonstrated that oocyte quality is not fully recovered. In the in vitro fertilisation clinic, maternal metabolic disorders are linked with disappointing assisted reproductive technology results. Embryos derived from metabolically compromised oocytes exhibit persistently high intracellular stress levels due to weak cellular homeostatic mechanisms. The assisted reproductive technology procedures themselves form an extra burden for these defective embryos. Minimising cellular stress during culture using mitochondrial-targeted therapy could rescue compromised embryos in a bovine model. However, translating such applications to human in vitro fertilisation clinics is not simple. It is crucial to consider the sensitive epigenetic programming during early development. Research in humans and relevant animal models should result in preconception care interventions and in vitro strategies not only aiming at improving fertility but also safeguarding offspring health.
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Affiliation(s)
- J L M R Leroy
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - B Meulders
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - K Moorkens
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - I Xhonneux
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - J Slootmans
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - L De Keersmaeker
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - A Smits
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - O Bogado Pascottini
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - W F A Marei
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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37
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Hu D, Huang B, Xiong M, Yao J, Yang S, Wu R, Zhang H, Zhao Y. Impact of elevated body mass index on cumulative live birth rate and obstetric safety in women undergoing assisted reproductive technology. Sci Rep 2022; 12:18858. [PMID: 36344718 PMCID: PMC9640544 DOI: 10.1038/s41598-022-23576-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
This study evaluated the impact of elevated body mass index (BMI) on short- and long-term outcomes of in-vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) treatments. A total of 7229 patients undergoing IVF/ICSI fresh cycles and subsequent frozen embryo transfer cycles from 2014 to 2020 were divided into normal (18.5-24.9 kg/m2) and high BMI (≥ 25 kg/m2) groups. Ovarian response, pregnancy outcomes, and safety of both mother and fetus were the main outcome measures. Furthermore, multivariate analysis was used to determine whether BMI was associated with cumulative live birth rate (CLBR). Results showed that for younger women (< 38 year), CLBR was significantly reduced in the high BMI group compared with the normal BMI control and was accompanied by fewer retrieved oocytes and available embryos. Additionally, the incidence of hypertensive disorders of pregnancy, fetal macrosomia, and cleft lip and palate birth defects resulting from cumulative live births was significantly higher compared with the normal BMI group. No differences were observed among older women (≥ 38 year). Multivariate analysis revealed that high BMI was a risk factor for CLBR. Our study suggested that elevated BMI has a greater adverse impact on younger women.
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Affiliation(s)
- Dan Hu
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Bo Huang
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Min Xiong
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Junning Yao
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Shulin Yang
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Ruxing Wu
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Hanwang Zhang
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
| | - Yiqing Zhao
- grid.33199.310000 0004 0368 7223Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 JieFang Avenue, Wuhan, 430030 People’s Republic of China
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Schon SB, Yang K, Schindler R, Jiang L, Neff LM, Seeley RJ, Marsh EE. Obesity-related alterations in protein expression in human follicular fluid from women undergoing in vitro fertilization. F&S SCIENCE 2022; 3:331-339. [PMID: 36096447 DOI: 10.1016/j.xfss.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To compare the proteomic composition of follicular fluid from women with normal weight vs. women with obesity but without a history of polycystic ovary syndrome or known ovarian dysfunction undergoing in vitro fertilization. DESIGN Cross-sectional. SETTING Academic medical center. PATIENT(S) Eight women with normal weight and 8 women with obesity undergoing in vitro fertilization and without a history of polycystic ovary syndrome, ovulatory dysfunction, diminished ovarian reserve, or known endometriosis were included in the analysis. INTERVENTION(S) Not applicable. MAIN OUTCOME MEASURE(S) Proteomic assessment using liquid chromatography-mass spectrometry analysis. RESULT(S) The mean age of women with normal weight was similar to that of women with obesity (32.9 vs. 32.6 years, not significant). The mean body mass index of women with normal weight was 21.2 kg/m2 compared with a body mass index of 37.1 kg/m2 in women with obesity. A total of 1,174 proteins were identified with ≥2 peptides present. Twenty-five proteins were found to be significantly altered in the follicular fluid from women with obesity. Of these 25 proteins, 19 were up-regulated and 6 were down-regulated. Notably, C-reactive protein was 11-fold higher in the follicular fluid from women with obesity than in the follicular fluid from women with normal weight. CONCLUSION(S) Obesity is associated with dysregulation at the level of the follicle, including alterations in proteins related to inflammation and metabolism. These include proteins with emerging roles in energy homeostasis and follicular regulation.
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Affiliation(s)
- Samantha B Schon
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Kun Yang
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Ronald Schindler
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | - Li Jiang
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan
| | | | - Randy J Seeley
- Department of Surgery, University of Michigan, Ann Arbor, Michigan
| | - Erica E Marsh
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan.
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Hallisey S, Makhijani R, Thorne J, Godiwala P, Nulsen J, Benadiva C, Grow D, Engmann L. The association of obesity with euploidy rates in women undergoing in vitro fertilization with preimplantation genetic testing. J Assist Reprod Genet 2022; 39:2521-2528. [PMID: 36214982 PMCID: PMC9723054 DOI: 10.1007/s10815-022-02624-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/17/2022] [Indexed: 11/25/2022] Open
Abstract
PURPOSE The purpose of this study was to determine the impact of body mass index (BMI) on euploidy rates for in vitro fertilization (IVF) cycles with preimplantation genetic testing (PGT) utilizing primarily next-generation sequencing (NGS). METHODS This retrospective cohort study included women aged ≤ 45 years who underwent IVF/PGT between September 2013 and September 2020 at a single university-affiliated fertility center. The primary outcome was euploidy rate. Secondary outcomes included peak serum estradiol (E2), number of oocytes retrieved, oocyte maturation rate, high-quality blastulation rate, clinical loss rate (CLR), clinical pregnancy rate (CPR), and ongoing pregnancy/live birth rate (OPR/LBR). RESULTS The study included 1335 IVF cycles that were stratified according to BMI (normal, n = 648; overweight, n = 377; obese, n = 310). The obese group was significantly older with significantly lower baseline FSH, peak E2, high-quality blastulation rate, and number of embryos biopsied than the normal group. Overall euploidy rates were not significantly different between BMI groups (normal 36.4% ± 1.3; overweight 37.3% ± 1.8; obese 32.3% ± 1.8; p = 0.11), which persisted after controlling for covariates (p = 0.82) and after stratification of euploidy rate by age group and by number of oocytes retrieved per age group. There were no significant differences in CLR, CPR, and OPR/LBR across BMI groups. CONCLUSIONS Despite a lower high quality blastulation rate with obesity, there is not a significant difference in euploidy rates across BMI groups in women undergoing IVF/PGT.
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Affiliation(s)
- Stephanie Hallisey
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - Reeva Makhijani
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - Jeffrey Thorne
- Reproductive Medicine Associates of Philadelphia, 1015 Chestnut Street, 8th Floor, Philadelphia, PA, 19107, USA
| | - Prachi Godiwala
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - John Nulsen
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - Claudio Benadiva
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - Daniel Grow
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA
| | - Lawrence Engmann
- Center for Advanced Reproductive Services, Division of Reproductive Endocrinology & Infertility, University of Connecticut Health Center, 2 Batterson Park Rd, Farmington, CT, 06032, USA.
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Di Berardino C, Peserico A, Capacchietti G, Zappacosta A, Bernabò N, Russo V, Mauro A, El Khatib M, Gonnella F, Konstantinidou F, Stuppia L, Gatta V, Barboni B. High-Fat Diet and Female Fertility across Lifespan: A Comparative Lesson from Mammal Models. Nutrients 2022; 14:nu14204341. [PMID: 36297035 PMCID: PMC9610022 DOI: 10.3390/nu14204341] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/10/2022] [Accepted: 10/14/2022] [Indexed: 11/18/2022] Open
Abstract
Female reproduction focuses mainly on achieving fully grown follicles and competent oocytes to be successfully fertilized, as well as on nourishing the developing offspring once pregnancy occurs. Current evidence demonstrates that obesity and/or high-fat diet regimes can perturbate these processes, leading to female infertility and transgenerational disorders. Since the mechanisms and reproductive processes involved are not yet fully clarified, the present review is designed as a systematic and comparative survey of the available literature. The available data demonstrate the adverse influences of obesity on diverse reproductive processes, such as folliculogenesis, oogenesis, and embryo development/implant. The negative reproductive impact may be attributed to a direct action on reproductive somatic and germinal compartments and/or to an indirect influence mediated by the endocrine, metabolic, and immune axis control systems. Overall, the present review highlights the fragmentation of the current information limiting the comprehension of the reproductive impact of a high-fat diet. Based on the incidence and prevalence of obesity in the Western countries, this topic becomes a research challenge to increase self-awareness of dietary reproductive risk to propose solid and rigorous preventive dietary regimes, as well as to develop targeted pharmacological interventions.
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Affiliation(s)
- Chiara Di Berardino
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Alessia Peserico
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
- Correspondence:
| | - Giulia Capacchietti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Alex Zappacosta
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Nicola Bernabò
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council, A. Buzzati-Traverso Campus, via E. Ramarini 32, Monterotondo Scalo, 00015 Rome, Italy
| | - Valentina Russo
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Annunziata Mauro
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Mohammad El Khatib
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
| | - Francesca Gonnella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
- Department of Psychological Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
- Unit of Molecular Genetics, Center for Advanced Studies and Technology (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Fani Konstantinidou
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
- Department of Psychological Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
- Unit of Molecular Genetics, Center for Advanced Studies and Technology (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Liborio Stuppia
- Department of Psychological Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
- Unit of Molecular Genetics, Center for Advanced Studies and Technology (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Valentina Gatta
- Department of Psychological Health and Territorial Sciences, School of Medicine and Health Sciences, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
- Unit of Molecular Genetics, Center for Advanced Studies and Technology (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Barbara Barboni
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy
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Cechinel LR, Batabyal RA, Freishtat RJ, Zohn IE. Parental obesity-induced changes in developmental programming. Front Cell Dev Biol 2022; 10:918080. [PMID: 36274855 PMCID: PMC9585252 DOI: 10.3389/fcell.2022.918080] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Abstract
Many studies support the link between parental obesity and the predisposition to develop adult-onset metabolic syndromes that include obesity, high blood pressure, dyslipidemia, insulin resistance, and diabetes in the offspring. As the prevalence of obesity increases in persons of childbearing age, so does metabolic syndrome in their descendants. Understanding how parental obesity alters metabolic programs in the progeny, predisposing them to adult-onset metabolic syndrome, is key to breaking this cycle. This review explores the basis for altered metabolism of offspring exposed to overnutrition by focusing on critical developmental processes influenced by parental obesity. We draw from human and animal model studies, highlighting the adaptations in metabolism that occur during normal pregnancy that become maladaptive with obesity. We describe essential phases of development impacted by parental obesity that contribute to long-term alterations in metabolism in the offspring. These encompass gamete formation, placentation, adipogenesis, pancreas development, and development of brain appetite control circuits. Parental obesity alters the developmental programming of these organs in part by inducing epigenetic changes with long-term consequences on metabolism. While exposure to parental obesity during any of these phases is sufficient to alter long-term metabolism, offspring often experience multiple exposures throughout their development. These insults accumulate to increase further the susceptibility of the offspring to the obesogenic environments of modern society.
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Batra V, Norman E, Morgan HL, Watkins AJ. Parental Programming of Offspring Health: The Intricate Interplay between Diet, Environment, Reproduction and Development. Biomolecules 2022; 12:biom12091289. [PMID: 36139133 PMCID: PMC9496505 DOI: 10.3390/biom12091289] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
As adults, our health can be influenced by a range of lifestyle and environmental factors, increasing the risk for developing a series of non-communicable diseases such as type 2 diabetes, heart disease and obesity. Over the past few decades, our understanding of how our adult health can be shaped by events occurring before birth has developed into a well-supported concept, the Developmental Origins of Health and Disease (DOHaD). Supported by epidemiological data and experimental studies, specific mechanisms have been defined linking environmental perturbations, disrupted fetal and neonatal development and adult ill-health. Originally, such studies focused on the significance of poor maternal health during pregnancy. However, the role of the father in directing the development and well-being of his offspring has come into recent focus. Whereas these studies identify the individual role of each parent in shaping the long-term health of their offspring, few studies have explored the combined influences of both parents on offspring well-being. Such understanding is necessary as parental influences on offspring development extend beyond the direct genetic contributions from the sperm and oocyte. This article reviews our current understanding of the parental contribution to offspring health, exploring some of the mechanisms linking parental well-being with gamete quality, embryo development and offspring health.
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Sun JT, Yuan JD, Zhang Q, Luo X, Qi XY, Liu JH, Jiang XQ, Lee S, Taweechaipaisankul A, Liu ZH, Jin JX. Ramelteon Reduces Oxidative Stress by Maintenance of Lipid Homeostasis in Porcine Oocytes. Antioxidants (Basel) 2022; 11:antiox11091640. [PMID: 36139716 PMCID: PMC9495855 DOI: 10.3390/antiox11091640] [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: 06/23/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to determine the underlying mechanism of ramelteon on the competence of oocyte and subsequent embryo development in pigs during in vitro maturation (IVM). Our results showed that the cumulus expansion index was significantly lower in the control group compared to the ramelteon groups (p < 0.05). Moreover, supplementation of 10−11 and 10−9 M ramelteon significantly increased the cumulus expansion and development-related genes expression, and reduced apoptosis in cumulus cells (p < 0.05). In oocytes, the nuclear maturation rate was significantly improved in 10−11, 10−9, and 10−7 M ramelteon groups compared to the control (p < 0.05). Additionally, the level of intracellular GSH was significantly increased and ROS was significantly decreased in ramelteon-supplemented groups, and the gene expression of oocyte development and apoptosis were significantly up- and down-regulated by 10−11 and 10−9 M ramelteon (p < 0.05), respectively. The immunofluorescence results showed that the protein levels of GDF9, BMP15, SOD1, CDK1, and PGC1α were significantly increased by 10−11 M ramelteon compared to the control (p < 0.05). Although there was no significant difference in cleavage rate, the blastocyst formation rate, total cell numbers, and hatching/-ed rate were significantly improved in 10−11 M ramelteon group compared to the control (p < 0.05). Furthermore, embryo development, hatching, and mitochondrial biogenesis-related genes were dramatically up-regulated by 10−11 M ramelteon (p < 0.05). In addition, the activities of lipogenesis and lipolysis in oocytes were dramatically increased by 10−11 M ramelteon compared to the control (p < 0.05). In conclusion, supplementation of 10−11 M ramelteon during IVM improved the oocyte maturation and subsequent embryo development by reducing oxidative stress and maintenance of lipid homeostasis.
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Affiliation(s)
- Jing-Tao Sun
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jin-Dong Yuan
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Qi Zhang
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xin Luo
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xin-Yue Qi
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jia-Hui Liu
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xi-Qing Jiang
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Sanghoon Lee
- Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea
| | - Anukul Taweechaipaisankul
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathumthani 12120, Thailand
| | - Zhong-Hua Liu
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (Z.-H.L.); (J.-X.J.)
| | - Jun-Xue Jin
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (Z.-H.L.); (J.-X.J.)
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Wan Y, Muhammad T, Huang T, Lv Y, Sha Q, Yang S, Lu G, Chan WY, Ma J, Liu H. IGF2 reduces meiotic defects in oocytes from obese mice and improves embryonic developmental competency. Reprod Biol Endocrinol 2022; 20:101. [PMID: 35836183 PMCID: PMC9281013 DOI: 10.1186/s12958-022-00972-9] [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: 04/18/2022] [Accepted: 06/22/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Maternal obesity is a global issue that has devastating effects across the reproductive spectrum such as meiotic defects in oocytes, consequently worsening pregnancy outcomes. Different studies have shown that such types of meiotic defects originated from the oocytes of obese mothers. Thus, there is an urgent need to develop strategies to reduce the incidence of obesity-related oocyte defects that adversely affect pregnancy outcomes. Multiple growth factors have been identified as directly associated with female reproduction; however, the impact of various growth factors on female fertility in response to obesity remains poorly understood. METHODS The immature GV-stage oocytes from HFD female mice were collected and cultured in vitro in two different groups (HFD oocytes with and without 50 nM IGF2), however; the oocytes from ND mice were used as a positive control. HFD oocytes treated with or without IGF2 were further used to observe the meiotic structure using different analysis including, the spindle and chromosomal analysis, reactive oxygen species levels, mitochondrial functional activities, and early apoptotic index using immunofluorescence. Additionally, the embryonic developmental competency and embryos quality of IGF2-treated zygotes were also determined. RESULTS In our findings, we observed significantly reduced contents of insulin-like growth factor 2 (IGF2) in the serum and oocytes of obese mice. Our data indicated supplementation of IGF2 in a culture medium improves the blastocyst formation: from 46% in the HFD group to 61% in the HFD + IGF2-treatment group (50 nM IGF2). Moreover, adding IGF2 to the culture medium reduces the reactive oxygen species index and alleviates the frequency of spindle/chromosome defects. We found increased mitochondrial functional activity in oocytes from obese mice after treating the oocytes with IGF2: observed elevated level of adenosine triphosphate, increased mitochondrial distribution, higher mitochondrial membrane potentials, and reduced mitochondrial ultrastructure defects. Furthermore, IGF2 administration also increases the overall protein synthesis and decreases the apoptotic index in oocytes from obese mice. CONCLUSIONS Collectively, our findings are strongly in favor of adding IGF2 in culture medium to overcome obesity-related meiotic structural-developmental defects by helping ameliorate the known sub-optimal culturing conditions that are currently standard with assisted reproduction technologies.
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Affiliation(s)
- Yanling Wan
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, China
| | - Tahir Muhammad
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, China
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Tao Huang
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, China
| | - Yue Lv
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences, Beijing, China
| | - Qianqian Sha
- Fertility Preservation Laboratory, Reproductive Medicine Center, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
| | - Shuang Yang
- Department of Physiology School of Basic Medical Sciences Cheeloo College of Medicine Shandong University, Jinan, Shandong, China
| | - Gang Lu
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Wai-Yee Chan
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Jinlong Ma
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Hongbin Liu
- Center for Reproductive Medicine, Shandong University, Jinan, Shandong, China.
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, China.
- Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, China.
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, China.
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, China.
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, China.
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences, Beijing, China.
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
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45
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Wang L, Chen Y, Wei J, Guo F, Li L, Han Z, Wang Z, Zhu H, Zhang X, Li Z, Dai X. Administration of nicotinamide mononucleotide improves oocyte quality of obese mice. Cell Prolif 2022; 55:e13303. [PMID: 35811338 PMCID: PMC9628229 DOI: 10.1111/cpr.13303] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/23/2022] [Accepted: 06/10/2022] [Indexed: 12/19/2022] Open
Abstract
Objectives Obesity has become a common health concern around the world. Maternal obesity could cause poor reproductive outcomes due to chronic ovarian inflammation and decreased oocyte quality. However, the strategies to improve the poor reproductive outcomes of obese females have not been fully studied. In this study, we aimed to explore the effects and underlying mechanisms of nicotinamide mononucleotide (NMN) on oocyte quality and reproductive performance of obese mice. Materials and Methods The obese mouse model was established by feeding high‐fat diet which was confirmed by body weight record, fasting blood glucose test and oral glucose tolerance test. The expression of ovary development related genes and inflammation related genes, including Lhx8, Bmp4, Adgre1, Ccl2, TNF‐α, Gal‐3, Clec10a and IL‐10 in ovaries and the expression of Bax and Sod1 in oocytes were detected using quantitative reverse transcription PCR (RT‐qPCR). The adipose size of abdominal fat tissue was determined with haematoxylin and eosin (H&E) staining. Immunofluorescence staining was performed to measure the ROS level, spindle/chromosome structure, mitochondrial function, actin dynamics and DNA damage of oocytes. Results The administration of NMN restored ovarian weight and reduced the adipose size of abdominal fat tissue and ovarian inflammation in high fat diet (HFD) mice. Furthermore, NMN treatment improved the oocytes quality partially by restoring the mitochondrial function and actin dynamics, reducing meiotic defects, DNA damage and ROS level and lipid droplet distribution of oocytes in HFD mice. On the long‐term effect, NMN restored offspring body weight of HFD mice. Conclusion NMN could improve the oocyte quality of HFD‐induced obese mice.
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Affiliation(s)
- Luyao Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Yurong Chen
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Jiarui Wei
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Fucheng Guo
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Leyi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Zhen Han
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Zhengzhu Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Haibo Zhu
- Center of Reproductive Medicine & Center of Prenatal Diagnosis, First Hospital, Jilin University, Changchun, China
| | - Xiaoling Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Ziyi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xiangpeng Dai
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.,National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
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46
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Fabian D, Kubandová-Babeľová J, Kšiňanová M, Waczulíková I, Fabianová K, Koppel J. Overweight and Fertility: What We Can Learn from an Intergenerational Mouse Obesity Model. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19137918. [PMID: 35805577 PMCID: PMC9266121 DOI: 10.3390/ijerph19137918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 12/02/2022]
Abstract
The aim of this study was to evaluate the effects of being overweight on the ability to conceive, fertilization rate, and in vivo development of embryos in regularly cycling, spontaneously ovulating, and naturally mated female mice. The study was based on statistical analysis of data collected during 14 experiments with identical design, performed on 319 control and 327 obese mice, developed in an intergenerational model of obesity induction which eliminates the impact of aging and high-fat feeding. Six-week-old mice with a vaginal sperm plug were slaughtered on embryonic days 2, 3, or 4, and the flushed contents of the oviducts and uteri were assessed by stereomicroscopy. The results showed no association between being overweight and the proportion of ovulating or fertilized females. On the other hand, a strong association was found between being overweight and ovulation yield. On embryonic day 2, significantly higher numbers of eggs were recovered from the oviducts of fertilized obese mice. Maternal overweight status was also associated with higher developmental capacities of preimplantation embryos. In conclusion, contrary to studies based on the high-fat-diet model, in female mice fed regular chow, being overweight was associated with an increased ovulation quota and higher developmental rate of fertilized oocytes. Being overweight did not impact ability to conceive. On the other hand, as documented in our previous studies, the quality of oocytes and blastocysts recovered from overweight mice developed in an intergenerational model of obesity was low.
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Affiliation(s)
- Dušan Fabian
- Centre of Biosciences, Institute of Animal Physiology, Slovak Academy of Sciences, Šoltésovej 4/6, 040 01 Košice, Slovakia; (J.K.-B.); (J.K.)
- Correspondence:
| | - Janka Kubandová-Babeľová
- Centre of Biosciences, Institute of Animal Physiology, Slovak Academy of Sciences, Šoltésovej 4/6, 040 01 Košice, Slovakia; (J.K.-B.); (J.K.)
| | - Martina Kšiňanová
- Centre of Biosciences, Institute of Molecular Physiology and Genetics, Slovak Academy of Sciences, Dúbravská cesta 9, 840 05 Bratislava, Slovakia;
| | - Iveta Waczulíková
- Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynská dolina F1, 842 48 Bratislava, Slovakia;
| | - Kamila Fabianová
- Biomedical Research Center, Institute of Neurobiology, Slovak Academy of Sciences, Šoltésovej 4/6, 040 01 Košice, Slovakia;
| | - Juraj Koppel
- Centre of Biosciences, Institute of Animal Physiology, Slovak Academy of Sciences, Šoltésovej 4/6, 040 01 Košice, Slovakia; (J.K.-B.); (J.K.)
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47
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Effects of time-restricted feeding and type of food on fertility competence in female mice. Sci Rep 2022; 12:7064. [PMID: 35488048 PMCID: PMC9054750 DOI: 10.1038/s41598-022-11251-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 04/12/2022] [Indexed: 01/08/2023] Open
Abstract
We assessed the effects of feeding regimen (ad libitum vs. time-restricted food access) and type of food (normal chow (NC: 12% fat) vs. moderately high calorie diet (mHCD: 31% fat)) on fertility competence of female mice. Mice fed mHCD had higher number of oocytes than mice fed NC. On the other hand, when mice were fed NC under time-restricted access to food (NT), the developmental rate to the blastocyst per number of normally fertilized ova was significantly decreased compared to others. The reactive oxygen species (ROS) level in oocytes increased in time-restricted food access and NC group. Transcriptome analysis of whole ovarian tissues from these mice showed a change in the cholesterol metabolism among the four groups. Time-restricted food access decreased serum LDL cholesterol level in both NC and mHCD groups. Moreover, the number of atretic follicles increased in NT mice compared to ad libitum food access mice. The present study shows that mHCD feeding increases the number of ovulated oocytes and that time-restricted feeding of NC impairs the developmental competence of oocytes after fertilization, probably due to the changes in serum cholesterol levels and an increase in the ROS content in oocytes.
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Jakubczyk P, Paja W, Pancerz K, Cebulski J, Depciuch J, Uzun Ö, Tarhan N, Guleken Z. Determination of idiopathic female infertility from infrared spectra of follicle fluid combined with gonadotrophin levels, multivariate analysis and machine learning methods. Photodiagnosis Photodyn Ther 2022; 38:102883. [PMID: 35487430 DOI: 10.1016/j.pdpdt.2022.102883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/20/2022] [Accepted: 04/25/2022] [Indexed: 01/24/2023]
Abstract
By in vitro fertilization, oocytes can be removed and the embryo can be cultured, and then trans cervically replaced when they reach cleavage or when the blastocyst stage. The characterization of the follicular fluid is important for the treatment process. Women who applied to the Academic Hospital in vitro fertilization (IVF) Center diagnosed with idiopathic female infertility (IFI) were sought in the patient group. Demographics and clinical gonadotropin measurements of the study population were recorded. Of the 116 follicular fluid samples (n=58 male-induced infertility; n=58 control) were analyzed using the FTIR system. To identify FTIR spectral characteristics of follicular fluids associated with an ovarian reserve and reproductive hormone levels from control and IFI, six machine learning methods and multivariate analysis were used. To assess the quantitative information about the total biochemical composition of a follicular fluid across various diagnoses. FTIR spectra showed a higher level of vibrations corresponding to lipids and a lower level of amide vibrations in the IFI group. Furthermore, the T square plot from Partial Last Square (PLS) analysis showed, that these vibrations can be used to distinguish IFI from the control group which was obtained by principal component analysis (PCA). Proteins and lipids play an important role in the development of IFI. The absorption dynamics of FTIR spectra showed wavenumbers with around 100% discrimination probability, which means, that the presented wavenumbers can be used as a spectroscopic marker of IFI. Also, six machine learning methods showed, that classification accuracy for the original set was from 93.75% to 100% depending on the learning algorithm used. These results can inform about IFI women's follicular fluid has biomacromolecular differentiation in their follicular fluid. By using a safe and effective tool for the characterization of changes in follicular fluid during in vitro fertilization, this study builds upon a comprehensive examination of the idiopathic female infertility remodeling process in human studies. We anticipate that this technology will be a valuable adjunct for clinical studies.
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Affiliation(s)
| | - Wiesław Paja
- Institute of Computer Science, University of Rzeszów, Poland
| | - Krzysztof Pancerz
- Institute of Technology and Computer Science, Academy of Zamosc, Poland
| | | | - Joanna Depciuch
- Institute of Nuclear Physics Polish Academy of Science, 31-342 Krakow, Poland, Turkey.
| | - Özgur Uzun
- Istanbul University-Cerrahpaşa, Cerrahpasa Faculty of Medicine, Department of Histology and Embryology, Istanbul, Turkey
| | | | - Zozan Guleken
- Uskudar University, Faculty of Medicine, Department of Physiology, Istanbul Turkey.
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49
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Zhu S, Wang Q. Metabolic control of oocyte development. Biol Reprod 2022; 107:54-61. [PMID: 35470861 DOI: 10.1093/biolre/ioac082] [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: 12/08/2021] [Revised: 03/19/2022] [Accepted: 04/18/2022] [Indexed: 11/12/2022] Open
Abstract
Well balanced and timed metabolism is essential for oocyte development. The effects of extrinsic nutrients on oocyte maturation have been widely reported. In contrast, intrinsic control of oogenesis by intracellular metabolites and metabolic enzymes has received little attention. The comprehensive characterization of metabolic patterns could lead to more complete understanding of regulatory mechanisms underlying oocyte development. A cell's metabolic state is integrated with epigenetic regulation. Epigenetic modifications in germ cells are therefore sensitive to parental environmental exposures. Nevertheless, direct genetic evidence for metabolites involvement in epigenetic establishment during oocyte development is still lacking. Moreover, metabolic disorder-induced epigenetic perturbations during oogenesis might mediate the inter/transgenerational effects of environmental insults. The molecular mechanisms responsible for this deserve further investigation. Here, we summarize the findings on metabolic regulation in oocyte maturation, and how it contributes to oocyte epigenetic modification. Finally, we propose a mouse model that metabolic disorder in oocyte serves as a potential factor mediating the maternal environment effects on offspring health.
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Affiliation(s)
- Shuai Zhu
- State Key Laboratory of Reproductive Medicine, Suzhou Municipal Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Qiang Wang
- State Key Laboratory of Reproductive Medicine, Suzhou Municipal Hospital, Nanjing Medical University, Nanjing 211166, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China
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50
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Chen Z, Li W, Chen X, Liu X, Ding Y, Li F, He J, Wang Y, Gao R. Impairment of endometrial decidual reaction in early pregnant mice fed with high fat diet. Zhejiang Da Xue Xue Bao Yi Xue Ban 2022; 51:204-214. [PMID: 36161299 PMCID: PMC9353647 DOI: 10.3724/zdxbyxb-2021-0354] [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: 11/20/2021] [Accepted: 02/22/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVE To investigate the effect of obesity induced by high fat diet on decidual reaction of endometrium in mice, and the effect of high fat treatment on decidual reaction of endometrial stromal cells. METHODS Twelve 4-week-old healthy C57BL/6J female mice were randomly divided into high fat diet group and control group with 6 mice in each group. They were fed with high fat diet (22 kJ/g) or normal diet (16 kJ/g) for 12 weeks, respectively. The body weight of mice was measured every week. After feeding for 12 weeks, the body length and width of mice were measured, and the levels of fasting serum triglyceride and total cholesterol were determined. Then the mice were mated with healthy C57BL/6J male mice, and the uterine tissues were collected on the seventh day of pregnancy. The decidual cells and collagen fibers in mouse endometrium was observed by HE staining and Masson staining respectively. The expression of decidual reaction related proteins in mouse endometrium were detected by immunohistochemistry and Western blotting. Mouse endometrial stromal cells (mESCs) were isolated and treated with the oleic acid and palmitic acid in vitro, and the decidual reaction was induced with estradiol and progesterone. The accumulation of lipid droplets in mESCs was observed by oil red O and Bodipy staining. The cytoskeleton of mESCs was observed by phalloidin staining. The levels of decidual reaction related genes and proteins were detected by real-time fluorescence quantitative PCR and Western blotting. RESULTS After feeding for 12 weeks, the body weight of mice in the high fat group was significantly higher than that in the control group ( P<0.01), and there was no significant difference in body length between two groups ( P>0.05), but the body width of mice in the high fat group was significantly larger than that in the control group ( P<0.01), and the levels of serum triglyceride and total cholesterol were significantly higher than those in the control group (Both P<0.05). The number of embryo implantation in the high fat group was significantly less than that in the control group ( P<0.01). The differentiation of mESCs to decidual cells in high fat group was slow and abnormal. The expression levels of decidual reaction markers bone morphogenetic protein (BMP)2 and homeobox A10 (HOXA10) were lower than those in the control group, and there was significant difference in the expression level of HOXA10 ( P<0.01). The results of oil red O and Bodipy staining in mESCs showed that after high fat treatment, the accumulation of lipid droplets increased significantly, phalloidin staining showed abnormal cytoskeleton morphology. The expression levels of decidual reaction related genes dtprp, HOXA10 and proteins BMP2, HOXA10 and cyclooxygenase (COX)2 were significantly lower than those in the control group ( P<0.05). CONCLUSION Obesity induced by high fat diet and high fat treatment can impair the decidual reaction of endometrium and endometrial stromal cells in mice.
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