1
|
Yu S, Wang B, Rao Y, Liu M, Liang L, Gou K. Trans 10, cis 12-conjugated linoleic acid reduced reproductive ability by disrupting the estrus cycle in female mice. Anim Reprod 2024; 21:e20240010. [PMID: 38756621 PMCID: PMC11095849 DOI: 10.1590/1984-3143-ar2024-0010] [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: 01/30/2024] [Accepted: 03/18/2024] [Indexed: 05/18/2024] Open
Abstract
As a positional and geometrical isomer of linoleic acid, trans 10, cis 12 conjugated linoleic acid (t10c12-CLA) reduces white fat by reducing food intake, modulating lipid metabolism, and stimulating energy expenditure. However, the t10c12-CLA products are mostly mixtures, making it difficult to obtain accurate results. Studies are needed to investigate the effects of pure t10c12-CLA on animals and humans. In this study, we used the biallelic transgenic (tg) mice, which could produce t10c12-CLA itself, to investigate the effects of pure t10c12-CLA on female reproductive ability. The results showed that the body and relative ovary weights had no significant difference between tg and wild-type (wt) littermates at ages 3 or 10 weeks. While the fecundity test found that tg mice had a significantly longer first litter time (32.0 ± 4.70 days vs. 21.3 ± 2.31 days, P<0.05), and a significantly lower number of litters (4.75 ± 2.75 vs. 6.67 ± 0.57, P<0.05) when compared with wt mice during continuous mating within seven months. Hormone profiles showed that serum estradiol levels did not change in tg mice; however, significantly (P<0.05) decreased progesterone and increased prostaglandin E2 levels were observed in tg mice compared with those of wt mice. Hematoxylin-eosin staining showed no pathological characteristics in tg ovaries, except for the increased atresia follicles (P<0.05). Moreover, the tg mice had a significantly more extended diestrus period than the wt mice (48.4 ± 6.38% vs. 39.6 ± 3.81%, P<0.05). In summary, t10c12-CLA could affect serum progesterone and prostaglandin E2 levels, lead to a disordered estrus cycle, and impact the reproductive performance of female mice. This study provided theoretical and biosafety recommendations for applying t10c12-CLA in female mammals.
Collapse
Affiliation(s)
- Shuai Yu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Baozhu Wang
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yu Rao
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Mei Liu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Luwen Liang
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Kemian Gou
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| |
Collapse
|
2
|
Fructose might be a clue to the origin of preeclampsia insights from nature and evolution. Hypertens Res 2023; 46:646-653. [PMID: 36539464 PMCID: PMC10015507 DOI: 10.1038/s41440-022-01121-w] [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: 09/02/2022] [Revised: 10/20/2022] [Accepted: 11/05/2022] [Indexed: 12/24/2022]
Abstract
Preeclampsia is a hypertensive disorder of pregnancy and is due to abnormal placentation. The pathogenesis remains unclear. Fructose is biologically distinct from glucose and has a critical role in fetal growth in early pregnancy. Many species, including humans, produce fructose in their placenta during the first trimester to assist fetal growth and survival during a time when hypoxia is significant. Fructose is preferred over glucose in hypoxic tissues, and in the developing fetus, fructose has a critical role in stimulating the production of nucleic acids, lipids and glycosaminoglycans. Fructose production normally decreases significantly following the establishment of maternal-fetal circulation following placentation. However, if there is impaired placentation, local hypoxia will continue to drive fructose production. Excessive fructose metabolism drives endothelial dysfunction, oxidative stress, elevated blood pressure, insulin resistance, fatty liver, and a rise in uric acid and vasopressin levels, all of which are features of the preeclamptic state. In addition to fructose production, dietary fructose, for example, from soft drinks, would be additive and has been reported to be a strong independent risk factor for preeclampsia. Uric acid-associated endothelial dysfunction disturbs the invasion of the spiral artery, leading to placental ischemia and further placental hypoxia. Here, we summarize the previous literature regarding the physiological and pathological roles of fructose in pregnancy and propose studies to further investigate the pathogenesis of preeclampsia. Fructose might be a Clue to the Origin of Preeclampsia Insights from Nature and Evolution Preeclampsia is a hypertensive disorder of pregnancy. The pathogenesis remains unclear. Fructose has a critical role in fetal growth in early pregnancy, and might be a key role to developing preeclampsia. Here, we summarize the previous literatures regarding the physiological andpathological roles of fructose in pregnancy to propose studies to further investigate the pathogenesis of preeclampsia.
Collapse
|
3
|
Smits A, Marei WFA, Moorkens K, Bols PEJ, De Neubourg D, Leroy JLMR. Obese outbred mice only partially benefit from diet normalization or calorie restriction as preconception care interventions to improve metabolic health and oocyte quality. Hum Reprod 2022; 37:2867-2884. [PMID: 36342870 DOI: 10.1093/humrep/deac226] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 09/22/2022] [Indexed: 11/09/2022] Open
Abstract
STUDY QUESTION Can diet normalization or a calorie-restricted diet for 2 or 4 weeks be used as a preconception care intervention (PCCI) in Western-type diet-induced obese Swiss mice to restore metabolic health and oocyte quality? SUMMARY ANSWER Metabolic health and oocyte developmental competence was already significantly improved in the calorie-restricted group after 2 weeks, while obese mice that underwent diet normalization showed improved metabolic health after 2 weeks and improved oocyte quality after 4 weeks. WHAT IS KNOWN ALREADY Maternal obesity is linked with reduced metabolic health and oocyte quality; therefore, infertile obese women are advised to lose weight before conception to increase pregnancy chances. However, as there are no univocal guidelines and the specific impact on oocyte quality is not known, strategically designed studies are needed to provide fundamental insights in the importance of the type and duration of the dietary weight loss strategy for preconception metabolic health and oocyte quality. STUDY DESIGN, SIZE, DURATION Outbred female Swiss mice were fed a control (CTRL) or high-fat/high-sugar (HF/HS) diet. After 7 weeks, some of the HF mice were put on two different PCCIs, resulting in four treatment groups: (i) only control diet for up to 11 weeks (CTRL_CTRL), (ii) only HF diet for up to 11 weeks (HF_HF), (iii) switch at 7 weeks from an HF to an ad libitum control diet (HF_CTRL) and (iv) switch at 7 weeks from an HF to a 30% calorie-restricted control diet (HF_CR) for 2 or 4 weeks. Metabolic health and oocyte quality were assessed at 2 and 4 weeks after the start of the intervention (n = 8 mice/treatment/time point). PARTICIPANTS/MATERIALS, SETTING, METHODS Changes in body weight were recorded. To study the impact on metabolic health, serum insulin, glucose, triglycerides, total cholesterol and alanine aminotransferase concentrations were measured, and glucose tolerance and insulin sensitivity were analyzed at PCCI Weeks 2 and 4. The quality of in vivo matured oocytes was evaluated by assessing intracellular lipid droplet content, mitochondrial activity and localization of active mitochondria, mitochondrial ultrastructure, cumulus cell targeted gene expression and oocyte in vitro developmental competence. MAIN RESULTS AND THE ROLE OF CHANCE Significant negative effects of an HF/HS diet on metabolic health and oocyte quality were confirmed (P < 0.05). HF_CTRL mice already showed restored body weight, serum lipid profile and glucose tolerance, similar to the CTRL_CTRL group after only 2 weeks of PCCI (P < 0.05 compared with HF_HF) while insulin sensitivity was not improved. Oocyte lipid droplet volume was reduced at PCCI Week 2 (P < 0.05 compared with HF_HF), while mitochondrial localization and activity were still aberrant. At PCCI Week 4, oocytes from HF_CTRL mice displayed significantly fewer mitochondrial ultrastructural abnormalities and improved mitochondrial activity (P < 0.05), while lipid content was again elevated. The in vitro developmental capacity of the oocytes was improved but did not reach the levels of the CTRL_CTRL mice. HF_CR mice completely restored cholesterol concentrations and insulin sensitivity already after 2 weeks. Other metabolic health parameters were only restored after 4 weeks of intervention with clear signs of fasting hypoglycemia. Although all mitochondrial parameters in HF_CR oocytes stayed aberrant, oocyte developmental competence in vitro was completely restored already after 2 weeks of intervention. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION In this study, we applied a relevant HF/HS Western-type diet to induce obesity in an outbred mouse model. Nevertheless, physiological differences should be considered when translating these results to the human setting. However, the in-depth study and follow-up of the metabolic health changes together with the strategic implementation of specific PCCI intervals (2 and 4 weeks) related to the duration of the mouse folliculogenesis (3 weeks), should aid in the extrapolation of our findings to the human setting. WIDER IMPLICATIONS OF THE FINDINGS Our study results with a specific focus on oocyte quality provide important fundamental insights to be considered when developing preconception care guidelines for obese metabolically compromised women wishing to become pregnant. STUDY FUNDING/COMPETING INTEREST(S) This study was supported by the Flemish Research Fund (FWO-SB grant 1S25020N and FWO project G038619N). The authors declare there are no conflicts of interest.
Collapse
Affiliation(s)
- A Smits
- Gamete Research Centre, Laboratory for Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - W F A Marei
- Gamete Research Centre, Laboratory for Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium.,Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - K Moorkens
- Gamete Research Centre, Laboratory for Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - P E J Bols
- Gamete Research Centre, Laboratory for Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - D De Neubourg
- Centre for Reproductive Medicine, Antwerp University Hospital, University of Antwerp, Edegem, Belgium
| | - J L M R Leroy
- Gamete Research Centre, Laboratory for Veterinary Physiology and Biochemistry, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| |
Collapse
|
4
|
The Effect of Alternating High-Sucrose and Sucrose Free-Diets, and Intermittent One-Day Fasting on the Estrous Cycle and Sex Hormones in Female Rats. Nutrients 2022; 14:nu14204350. [DOI: 10.3390/nu14204350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 11/17/2022] Open
Abstract
Relationships between diet, sex hormone concentrations, and the estrous cycle are important from the perspective of infertility and estrogen-dependent disease prevention and treatment. Four dietary interventions reflecting modern eating behaviors were explored. The study involved 50 female rats divided into five feeding groups. The impact of the amount of sucrose consumed (9% and 18% of the dietary energy content), alternating high-sucrose and sucrose-free diets, and a high-sucrose diet combined with intermittent one-day fasting on the estrous cycle and sex hormone concentrations in female rats was assessed. Even low amounts of dietary sucrose (9% of the dietary energy content) were found to lead to increased estradiol (E2) concentrations and decreased progesterone (Pg) concentrations. A high-sucrose diet, even when periodically applied, additionally led to a reduced concentration of luteinizing hormone (LH). The largest changes in the hormones tested were observed with one-day fasting coupled with the high-sucrose diet; in addition, the estrous phase was shortened and the estrous cycle was disrupted. The results of this study show that both the amount of dietary sucrose and also its uptake pattern affect the estrous cycle and sex hormone concentrations in female rats.
Collapse
|
5
|
Zaitsu K, Asano T, Kawakami D, Chang J, Hisatsune K, Taniguchi M, Iguchi A. Metabolomics and Data-Driven Bioinformatics Revealed Key Maternal Metabolites Related to Fetal Lethality via Di(2-ethylhexyl)phthalate Exposure in Pregnant Mice. ACS OMEGA 2022; 7:23717-23726. [PMID: 35847272 PMCID: PMC9280929 DOI: 10.1021/acsomega.2c02338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We performed serum metabolome analysis of di(2-ethylhexyl)phthalate (DEHP)-exposed and control pregnant mice. Pregnant mice (n = 5) were fed a DEHP-containing diet (0.1% or 0.2% DEHP) or a normal diet (control) from gestational days 0-18. After maternal exposure to 0.2% DEHP there were no surviving fetuses, indicating its strong fetal lethality. There were no significant differences in the numbers of fetuses and placentas between the 0.1% DEHP and control groups, although fetal viability differed significantly between them, suggesting that maternal exposure to 0.1% DEHP could inhibit fetal growth. Metabolomics successfully detected 169 metabolites in serum. Principal component analysis (PCA) demonstrated that the three groups were clearly separated on PCA score plots. The biological interpretation of PC1 was fetal lethality, whereas PC2 meant metabolic alteration of pregnant mice via DEHP exposure without fetal lethality. In particular, the first component was significantly correlated with fetal viability, demonstrating that maternal metabolome changes via DEHP exposure were strongly related to fetal lethality. Levels of some amino acids were significantly increased in the DEHP-exposed groups, whereas those of some fatty acids, nicotinic acid, and 1,5-anhydroglucitol were significantly decreased in the DEHP groups. DEHP-induced increases in glycine levels could cause fetal neurological disorders, and decreases in nicotinic acid could inhibit fetal growth. In addition, a machine-learning Random forest could determine 16 potential biomarkers of DEHP exposure, and data-driven network analysis revealed that nicotinic acid was the most influential hub metabolite in the metabolic network. These findings will be useful for understanding the effects of DEHP on the maternal metabolome in pregnancy and their relationship to fetal lethality.
Collapse
Affiliation(s)
- Kei Zaitsu
- Multimodal
Informatics and Wide-data Analytics Laboratory, Department of Computational
Systems Biology, Faculty of Biology-Oriented Science and Technology, Kindai University, 930 Nishi Mitani, Kinokawa, Wakayama 649-6493, Japan
- In
Vivo Real-time Omics Laboratory, Institute for Advanced Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Tomomi Asano
- Department
of Human Life and Environment, Kinjo Gakuin
University, 2-1723 Omori, Moriyama-ku, Nagoya 463-8521, Japan
| | - Daisuke Kawakami
- Shimadzu
Corporation, 1, Nishinokyo-Kuwabaracho
Nakagyo-ku, Kyoto, 604-8511, Japan
| | - Jiarui Chang
- In
Vivo Real-time Omics Laboratory, Institute for Advanced Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
| | - Kazuaki Hisatsune
- Forensic
Science Laboratory, Aichi Prefectural Police
Headquarters, 2-1-1,
Sannomaru, Naka-ku, Nagoya 460-8502, Japan
| | - Masaru Taniguchi
- Nagoya City
Public Health Research Institute, Shimoshidami, Moriyama-ku, Nagoya 463-8585, Japan
| | - Akira Iguchi
- Marine Geo-Environment
Research Group, Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science
and Technology (AIST), AIST Tsukuba Central 7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567 Japan
| |
Collapse
|
6
|
Rodrigo N, Chen H, Pollock CA, Glastras SJ. Preconception weight loss improves fertility and maternal outcomes in obese mice. J Endocrinol 2022; 253:27-38. [PMID: 35080198 DOI: 10.1530/joe-21-0399] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 01/26/2022] [Indexed: 11/08/2022]
Abstract
Women with obesity have higher incidences of infertility, with longer time to conception and increased risk of pregnancy complications compared to women with normal body weight. There is a lack of evidence demonstrating the benefit of preconception maternal weight loss on fertility and pregnancy outcomes. We aimed to determine if preconception weight loss, either with diet modification or glucose-like peptide 1 receptor agonist liraglutide, improves maternal weight, fertility, and pregnancy outcomes. C57BL/6 female mice were fed either a high-fat diet (HFD) or chow for 8 weeks. HFD-fed dams were administered liraglutide (0.3 mg/kg, s.c., for 4 weeks) or switched to chow to induce weight loss. Prior to mating, liraglutide was ceased and mice continued on HFD. Mice in the 'diet switch' group continued on chow. Pregnancy rates were recorded. Maternal anthropometry and glucose tolerance were measured before and after the intervention and at late gestation. Offspring outcomes were assessed. Liraglutide or diet switch led to weight reduction, improved insulin resistance (P< 0.001), and enhanced fertility, particularly in the liraglutide group (P< 0.005). Liraglutide-treated mice had significantly higher gestational weight gain (GWG) compared to the diet switch group (P< 0.05), with similar weight and glucose tolerance in late gestation to HFD mice. In contrast, diet switch maintained similar weight and glucose tolerance in late gestation to control mice. Pre-pregnancy weight intervention with liraglutide was effective at restoring fertility. Diet modification also improved fertility and avoided catch up weight gain in pregnancy. Liraglutide may be a therapeutic strategy for weight loss to prepare for pregnancy. However, our study provides caution about the potential for excessive GWG without diet intervention in pregnancy.
Collapse
Affiliation(s)
- Natassia Rodrigo
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, New South Wales, Australia
- North Precinct, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- Department of Diabetes and Endocrinology, Nepean Hospital, Sydney, New South Wales, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Carol A Pollock
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, New South Wales, Australia
- North Precinct, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Sarah J Glastras
- Renal Research Laboratory, Kolling Institute of Medical Research, St Leonards, New South Wales, Australia
- North Precinct, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| |
Collapse
|
7
|
Maternal Fructose Diet-Induced Developmental Programming. Nutrients 2021; 13:nu13093278. [PMID: 34579155 PMCID: PMC8467222 DOI: 10.3390/nu13093278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/12/2021] [Accepted: 09/17/2021] [Indexed: 12/27/2022] Open
Abstract
Developmental programming of chronic diseases by perinatal exposures/events is the basic tenet of the developmental origins hypothesis of adult disease (DOHaD). With consumption of fructose becoming more common in the diet, the effect of fructose exposure during pregnancy and lactation is of increasing relevance. Human studies have identified a clear effect of fructose consumption on maternal health, but little is known of the direct or indirect effects on offspring. Animal models have been utilized to evaluate this concept and an association between maternal fructose and offspring chronic disease, including hypertension and metabolic syndrome. This review will address the mechanisms of developmental programming by maternal fructose and potential options for intervention.
Collapse
|
8
|
Cai S, Ye Q, Zeng X, Yang G, Ye C, Chen M, Yu H, Wang Y, Wang G, Huang S, Quan S, Zeng X, Qiao S. CBS and MAT2A improve methionine-mediated DNA synthesis through SAMTOR/mTORC1/S6K1/CAD pathway during embryo implantation. Cell Prolif 2020; 54:e12950. [PMID: 33179842 PMCID: PMC7791180 DOI: 10.1111/cpr.12950] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/08/2020] [Accepted: 10/14/2020] [Indexed: 01/06/2023] Open
Abstract
Objectives Early pregnancy loss is a major clinical concern in animal and human reproduction, which is largely influenced by embryo implantation. The importance of methionine for embryo implantation is widely neglected. Materials and methods We performed a series of experiments with primiparous rats fed diets containing different levels of methionine during early pregnancy to investigate the role of methionine in embryonic implantation and pregnancy outcomes, and used them to perform in vivo metabolic assessments and in vitro uterine explant culture. In addition, through transcriptome analysis and silencing the expression of cystathionine β‐synthase (CBS, the key enzyme in transsulfuration pathway) and cell adhesion assay, we measured signalling within Ishikawa, pTr and JAR cells. Results We determined the relevance and underlying mechanism of methionine on embryo implantation. We showed that methionine deprivation sharply decreased embryo implantation sites, expression of CBS and transsulfuration pathway end products, which were reversed by maternal methionine supplementation during early pregnancy. Moreover, we found CBS improved methionine‐mediated cell proliferation and DNA synthesis by CBS inhibition or interference. In addition, transcriptome analysis also revealed that CBS influenced the signalling pathway‐associated cell proliferation and DNA synthesis, as well as a correlation between CBS and methionine adenosyltransferase 2A (MAT2A), implying that MAT2A was possibly involved in cell proliferation and DNA synthesis. Further analysis revealed that MAT2A influenced S‐adenosylmethionine receptor SAMTOR expression, and SAMTOR activated mTORC1 and its downstream S6K1 and CAD, ultimately enhancing DNA synthesis in the embryo and uterus. Conclusions Taken together, these studies demonstrate that CBS and MAT2A improve methionine‐mediated DNA synthesis through SAMTOR/mTORC1/S6K1/CAD pathway during embryo implantation.
Collapse
Affiliation(s)
- Shuang Cai
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Qianhong Ye
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Xiangzhou Zeng
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Guangxin Yang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Changchuan Ye
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Meixia Chen
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Haitao Yu
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Yuming Wang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Gang Wang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Shuo Huang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Shuang Quan
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Xiangfang Zeng
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| | - Shiyan Qiao
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing, China.,Beijing Key Laboratory of Bio-feed Additives, China Agricultural University, Beijing, China
| |
Collapse
|
9
|
Stone BJ, Steele KH, Men H, Srodulski SJ, Bryda EC, Fath-Goodin A. A Nonsurgical Embryo Transfer Technique for Fresh and Cultured Blastocysts in Rats. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE 2020; 59:488-495. [PMID: 32787997 DOI: 10.30802/aalas-jaalas-19-000163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The use of a nonsurgical embryo transfer technique in rodents eliminates the potential pain, distress, and health complications that may result from a surgical procedure and as such, represents a refinement in rodent assisted reproductive techniques. A nonsurgical technique has not been previously developed for use with rat embryos. Here we describe an efficient method to deliver either fresh or cultured blastocyst stage embryos to the uterine horn of pseudopregnant female rats using a rat nonsurgical embryo transfer (rNSET) device. The rNSET device is composed of a Teflon catheter and a hub that attaches to a 2 μL pipette. Oxytocin is used to dilate the cervix before the delivery of blastocysts, allowing passage of the rNSET catheter directly into the uterine horn for embryo delivery. The efficiency of recovery of pups after nonsurgical embryo transfer is similar to the efficiency after surgical embryo transfer. Furthermore, the technique is not stressful to the subjects, as demonstrated by the absence of a decrease in weight or increase in fecal corticosterone level in recipients of embryos delivered nonsurgically, without the use of anesthesia or analgesia.
Collapse
Affiliation(s)
| | | | - Hongsheng Men
- Rat Resource and Research Center, University of Missouri, Columbia, Missouri; Department of Veterinary Pathobiology, University of Missouri, Columbia, Missouri
| | | | - Elizabeth C Bryda
- Rat Resource and Research Center, University of Missouri, Columbia, Missouri; Department of Veterinary Pathobiology, University of Missouri, Columbia, Missouri
| | | |
Collapse
|
10
|
Obri A, Serra D, Herrero L, Mera P. The role of epigenetics in the development of obesity. Biochem Pharmacol 2020; 177:113973. [DOI: 10.1016/j.bcp.2020.113973] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022]
|
11
|
Sang Y, Li Y, Xu L, Li D, Du M. Regulatory mechanisms of endometrial decidualization and pregnancy-related diseases. Acta Biochim Biophys Sin (Shanghai) 2020; 52:105-115. [PMID: 31854442 DOI: 10.1093/abbs/gmz146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 11/13/2019] [Accepted: 09/17/2019] [Indexed: 12/18/2022] Open
Abstract
Endometrial decidualization is one of the earliest changes by which the uterus adapts to pregnancy. During this period, the endometrium undergoes complex changes in its biochemistry, physiology, and function at various levels, providing a suitable microenvironment for embryo implantation and development. Favorable decidualization lays an essential foundation for subsequent gestation, without which pregnancy failure or pregnancy complications may occur. The interaction between pregnancy-related hormones and cytokines produced by embryonic and uterine cells is known to be essential for decidualization, in which some transcription factors also play pivotal roles. Increasing evidence has revealed the importance of metabolism in regulating decidualization. Here, we summarize and discuss these crucial elements in decidualization and the relationship between decidualization and pregnancy complications. A better comprehension of these issues should help to improve the prediction of pregnancy outcomes and the use of appropriate intervention.
Collapse
Affiliation(s)
- Yifei Sang
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Yanhong Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Ling Xu
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Dajin Li
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
| | - Meirong Du
- NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
- Department of Obstetrics and Gynecology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China
| |
Collapse
|
12
|
Franzago M, La Rovere M, Guanciali Franchi P, Vitacolonna E, Stuppia L. Epigenetics and human reproduction: the primary prevention of the noncommunicable diseases. Epigenomics 2019; 11:1441-1460. [PMID: 31596147 DOI: 10.2217/epi-2019-0163] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Epigenetic regulation of gene expression plays a key role in affecting human health and diseases with particular regard to human reproduction. The major concern in this field is represented by the epigenetic modifications in the embryo and the increased risk of long-life disorders induced by the use of assisted reproduction techniques, able to affect the epigenetic assessment in the first steps of embryo development. In this review, we analyze the correlation between epigenetic modifications and human reproduction, suggesting that the reversibility of the epigenetic processes could represent a novel resource for the treatment of the couple's infertility and that parental lifestyle in periconceptional period could be considered as an important issue of primary prevention.
Collapse
Affiliation(s)
- Marica Franzago
- Department of Medicine & Aging, School of Medicine & Health Sciences, 'G. d'Annunzio' University, Chieti-Pescara, Chieti, Italy.,Center for Aging Studies & Translational Medicine (CESI-MET), 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Marina La Rovere
- Department of Psychological, Health & Territorial Sciences, School of Medicine & Health Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Paolo Guanciali Franchi
- Department of Medical, Oral & Biotechnological Sciences, School of Medicine & Health Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| | - Ester Vitacolonna
- Department of Medicine & Aging, School of Medicine & Health Sciences, 'G. d'Annunzio' University, Chieti-Pescara, Chieti, Italy
| | - Liborio Stuppia
- Center for Aging Studies & Translational Medicine (CESI-MET), 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy.,Department of Psychological, Health & Territorial Sciences, School of Medicine & Health Sciences, 'G. d'Annunzio' University of Chieti-Pescara, Chieti, Italy
| |
Collapse
|
13
|
Powell CA, Choudhury M. Advancing metabolism research to overcome low litter survival in metabolically stressed mice. Am J Physiol Endocrinol Metab 2019; 317:E261-E268. [PMID: 31084500 DOI: 10.1152/ajpendo.00024.2019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Elucidating the mechanism underlying the transmission of metabolic disease to subsequent generations requires robust preclinical mouse breeding strategies. Western diets rich in fat and carbohydrates are contributing factors in the rise of diabetes and obesity rates worldwide. Therefore, determining the impact of Western diets consumed by parents on offspring and future generations is critical for understanding the perpetuation of these diseases. Specifically, epigenetic regulation and transgenerational inheritance of metabolic disease is an emerging field of study requiring robust murine models. However, a major challenge to transgenerational studies is offspring mortality, exacerbated by maternal stress during pregnancy. Here, we describe a challenge experienced in our metabolic research in Western diet-fed female mice leading to the loss of litters via pup mortality and cannibalism by the mother. Furthermore, our study evaluates various breeding schemes with pregnancy efficiency and refined husbandry techniques to overcome pup mortality and infanticide, to characterize dams' and pups' metabolic characteristics, and to determine the impact on physiology of dams under detailed breeding schemes.
Collapse
Affiliation(s)
- Catherine A Powell
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University , College Station, Texas
| | - Mahua Choudhury
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University , College Station, Texas
| |
Collapse
|
14
|
Patton GC, Olsson CA, Skirbekk V, Saffery R, Wlodek ME, Azzopardi PS, Stonawski M, Rasmussen B, Spry E, Francis K, Bhutta ZA, Kassebaum NJ, Mokdad AH, Murray CJL, Prentice AM, Reavley N, Sheehan P, Sweeny K, Viner RM, Sawyer SM. Adolescence and the next generation. Nature 2018; 554:458-466. [PMID: 29469095 DOI: 10.1038/nature25759] [Citation(s) in RCA: 192] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 01/18/2018] [Indexed: 12/30/2022]
Abstract
Adolescent growth and social development shape the early development of offspring from preconception through to the post-partum period through distinct processes in males and females. At a time of great change in the forces shaping adolescence, including the timing of parenthood, investments in today's adolescents, the largest cohort in human history, will yield great dividends for future generations.
Collapse
Affiliation(s)
- George C Patton
- The University of Melbourne, Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Victoria 3010, Australia.,Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Centre for Adolescent Health, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Craig A Olsson
- The University of Melbourne, Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Victoria 3010, Australia.,Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Centre for Adolescent Health, Royal Children's Hospital, Parkville, Victoria 3052, Australia.,Deakin University Geelong, Centre for Social and Early Emotional Development, School of Psychology, Faculty of Health, Geelong, Victoria 3220, Australia
| | - Vegard Skirbekk
- Centre for Fertility and Health, Norwegian Institute of Public Health, Nydalen, Oslo 0403, Norway.,Columbia University, New York, New York 10032, USA
| | - Richard Saffery
- The University of Melbourne, Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Victoria 3010, Australia.,Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia
| | - Mary E Wlodek
- The University of Melbourne, Department of Physiology, Parkville, Victoria 3010, Australia
| | - Peter S Azzopardi
- The University of Melbourne, Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Victoria 3010, Australia.,Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Maternal and Child Health Program, International Development Discipline, Burnet Institute, Melbourne, Victoria 3004, Australia.,Wardliparingga Aboriginal Research Unit, South Australian Health and Medical Research Institute, Adelaide, South Australia 5000, Australia
| | - Marcin Stonawski
- Department of Demography, Cracow University of Economics, Cracow 31-510, Poland.,European Commission, Joint Research Centre, Centre for Advanced Studies, Ispra, Varese 21027, Italy
| | - Bruce Rasmussen
- Victoria Institute of Strategic Economic Studies, Victoria University, Melbourne, Victoria 3000, Australia
| | - Elizabeth Spry
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Centre for Adolescent Health, Royal Children's Hospital, Parkville, Victoria 3052, Australia.,Deakin University Geelong, Centre for Social and Early Emotional Development, School of Psychology, Faculty of Health, Geelong, Victoria 3220, Australia
| | - Kate Francis
- Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Centre for Adolescent Health, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| | - Zulfiqar A Bhutta
- SickKids Centre for Global Child Health, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada.,Centre of Excellence in Women and Child Health, Aga Khan University, Karachi 74800, Pakistan
| | - Nicholas J Kassebaum
- Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington 98121, USA.,Division of Pediatric Anesthesiology & Pain Medicine, Seattle Children's Hospital, Seattle, Washington 98105, USA
| | - Ali H Mokdad
- Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington 98121, USA
| | - Christopher J L Murray
- Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington 98121, USA
| | - Andrew M Prentice
- MRC Unit The Gambia, Fajara, Gambia.,MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK
| | - Nicola Reavley
- The University of Melbourne, Melbourne School of Population and Global Health, Parkville, Victoria 3010, Australia
| | - Peter Sheehan
- Victoria Institute of Strategic Economic Studies, Victoria University, Melbourne, Victoria 3000, Australia
| | - Kim Sweeny
- Victoria Institute of Strategic Economic Studies, Victoria University, Melbourne, Victoria 3000, Australia
| | - Russell M Viner
- UCL Institute of Child Health, University College London, London WC1N 1EH, UK
| | - Susan M Sawyer
- The University of Melbourne, Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Victoria 3010, Australia.,Murdoch Children's Research Institute, Parkville, Victoria 3052, Australia.,Centre for Adolescent Health, Royal Children's Hospital, Parkville, Victoria 3052, Australia
| |
Collapse
|
15
|
Developmental and Transmittable Origins of Obesity-Associated Health Disorders. Trends Genet 2017; 33:399-407. [PMID: 28438343 DOI: 10.1016/j.tig.2017.03.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 03/27/2017] [Accepted: 03/28/2017] [Indexed: 11/23/2022]
Abstract
The current global obesity pandemic is clearly linked to both the increasing prevalence of, and preference for, foods high in calories, specifically fat and sucrose, and declining levels of daily physical activity. A less commonly discussed possible explanation is that risk of obesity begins in utero as a result of developmental plasticity during early life. This idea fits into the broader Developmental Origins of Health and Diseases (DOHAD) hypothesis, which holds that stressful in utero exposure manifests as disease in adulthood. In this review, we highlight several studies that have revealed the role of epigenetics in multigenerational transmission of developmentally programmed obesity and associated cardiometabolic disease.
Collapse
|
16
|
Asghar ZA, Cusumano A, Yan Z, Remedi MS, Moley KH. Reduced islet function contributes to impaired glucose homeostasis in fructose-fed mice. Am J Physiol Endocrinol Metab 2017; 312:E109-E116. [PMID: 28028036 PMCID: PMC5336566 DOI: 10.1152/ajpendo.00279.2016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 12/19/2016] [Accepted: 12/19/2016] [Indexed: 01/09/2023]
Abstract
Increased sugar consumption, particularly fructose, in the form of sweetened beverages and sweeteners in our diet adversely affects metabolic health. Because these effects are associated with features of the metabolic syndrome in humans, the direct effect of fructose on pancreatic islet function is unknown. Therefore, we examined the islet phenotype of mice fed excess fructose. Fructose-fed mice exhibited fasting hyperglycemia and glucose intolerance but not hyperinsulinemia, dyslipidemia, or hyperuricemia. Islet function was impaired, with decreased glucose-stimulated insulin secretion and increased glucagon secretion and high fructose consumption leading to α-cell proliferation and upregulation of the fructose transporter GLUT5, which was localized only in α-cells. Our studies demonstrate that excess fructose consumption contributes to hyperglycemia by affecting both β- and α-cells of islets in mice.
Collapse
Affiliation(s)
- Zeenat A Asghar
- Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; and
| | - Andrew Cusumano
- Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; and
| | - Zihan Yan
- Department of Medicine, Washington University in St. Louis School of Medicine, St. Louis, Missouri
| | - Maria S Remedi
- Department of Medicine, Washington University in St. Louis School of Medicine, St. Louis, Missouri
| | - Kelle H Moley
- Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, Missouri; and
| |
Collapse
|
17
|
Rodrigo S, Rodríguez L, Otero P, Panadero MI, García A, Barbas C, Roglans N, Ramos S, Goya L, Laguna JC, Álvarez-Millán JJ, Bocos C. Fructose during pregnancy provokes fetal oxidative stress: The key role of the placental heme oxygenase-1. Mol Nutr Food Res 2016; 60:2700-2711. [PMID: 27545118 DOI: 10.1002/mnfr.201600193] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 07/29/2016] [Accepted: 08/01/2016] [Indexed: 12/31/2022]
Abstract
SCOPE One of the features of metabolic syndrome caused by liquid fructose intake is an impairment of redox status. We have investigated whether maternal fructose ingestion modifies the redox status in pregnant rats and their fetuses. METHODS AND RESULTS Fructose (10% wt/vol) in the drinking water of rats throughout gestation, leads to maternal hepatic oxidative stress. However, this change was also observed in glucose-fed rats and, in fact, both carbohydrates produced a decrease in antioxidant enzyme activity. Surprisingly, mothers fed carbohydrates displayed low plasma lipid oxidation. In contrast, fetuses from fructose-fed mothers showed elevated levels of plasma lipoperoxides versus fetuses from control or glucose-fed mothers. Interestingly, a clearly augmented oxidative stress was observed in placenta of fructose-fed mothers, accompanied by a lower expression of the transcription factor Nuclear factor-erythroid 2-related factor-2 (Nrf2) and its target gene, heme oxygenase-1 (HO-1), a potent antioxidant molecule. Moreover, histone deacetylase 3 (HDAC3) that has been proposed to upregulate HO-1 expression by stabilizing Nrf2, exhibited a diminished expression in placenta of fructose-supplemented mothers. CONCLUSIONS Maternal fructose intake provoked an imbalanced redox status in placenta and a clear diminution of HO-1 expression, which could be responsible for the augmented oxidative stress found in their fetuses.
Collapse
Affiliation(s)
- Silvia Rodrigo
- Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | | | - Paola Otero
- Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | | | - Antonia García
- Centre of Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Coral Barbas
- Centre of Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| | - Núria Roglans
- Facultad de Farmacia, Universidad de Barcelona, CIBERobn, IBUB, Barcelona, Spain
| | - Sonia Ramos
- Departamento de Metabolismo y Nutrición, Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN/CSIC), Madrid, Spain
| | - Luis Goya
- Departamento de Metabolismo y Nutrición, Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN/CSIC), Madrid, Spain
| | - Juan C Laguna
- Facultad de Farmacia, Universidad de Barcelona, CIBERobn, IBUB, Barcelona, Spain
| | | | - Carlos Bocos
- Facultad de Farmacia, Universidad San Pablo-CEU, Madrid, Spain
| |
Collapse
|
18
|
Maternal fructose drives placental uric acid production leading to adverse fetal outcomes. Sci Rep 2016; 6:25091. [PMID: 27125896 PMCID: PMC4850405 DOI: 10.1038/srep25091] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 04/06/2016] [Indexed: 12/25/2022] Open
Abstract
Maternal metabolic diseases increase offspring risk for low birth weight and cardiometabolic diseases in adulthood. Excess fructose consumption may confer metabolic risks for both women and their offspring. However, the direct consequences of fructose intake per se are unknown. We assessed the impact of a maternal high-fructose diet on the fetal-placental unit in mice in the absence of metabolic syndrome and determined the association between maternal serum fructose and placental uric acid levels in humans. In mice, maternal fructose consumption led to placental inefficiency, fetal growth restriction, elevated fetal serum glucose and triglyceride levels. In the placenta, fructose induced de novo uric acid synthesis by activating the activities of the enzymes AMP deaminase and xanthine oxidase. Moreover, the placentas had increased lipids and altered expression of genes that control oxidative stress. Treatment of mothers with the xanthine oxidase inhibitor allopurinol reduced placental uric acid levels, prevented placental inefficiency, and improved fetal weights and serum triglycerides. Finally, in 18 women delivering at term, maternal serum fructose levels significantly correlated with placental uric acid levels. These findings suggest that in mice, excess maternal fructose consumption impairs placental function via a xanthine oxidase/uric acid-dependent mechanism, and similar effects may occur in humans.
Collapse
|