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Pafili K, Paschou SA, Armeni E, Polyzos SA, Goulis DG, Lambrinoudaki I. Non-alcoholic fatty liver disease through the female lifespan: the role of sex hormones. J Endocrinol Invest 2022; 45:1609-1623. [PMID: 35303270 DOI: 10.1007/s40618-022-01766-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 02/09/2022] [Indexed: 12/12/2022]
Abstract
The prevalence of non-alcoholic fatty liver disease (NAFLD) differs between various stages of the female lifespan. The aim of this review is to summarize current evidence on the association of NAFLD and circulating sex hormones and to explore the pathogenesis of NAFLD within the context of (1) sex hormone changes during the reproductive, post-reproductive female life and beyond and (2) the in vitro and in vivo evidence on pharmacological modulation in women on menopausal hormone treatment (MHT) or endocrine therapy after breast cancer. The fluctuation in estrogen concentrations, the relative androgen excess, and the age-related reduction in sex hormone-binding globulin are related to increased NAFLD risk. Moreover, the peri-menopausal changes in body composition and insulin resistance might contribute to the increased NAFLD risk. Whether MHT prevents or improves NAFLD in this population remains an open question. Studies in women with breast cancer treated with tamoxifen or non-steroidal aromatase inhibitors point to their adverse effects on NAFLD development, although a more pronounced effect of tamoxifen is reported. Future studies focusing on the underlying pathogenesis should identify subgroups with the highest risk of NAFLD development and progression into more aggressive forms, as well as elucidate the role of hormone therapies, such as MHT.
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Affiliation(s)
- K Pafili
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research, Partner Düsseldorf, Munich-Neuherberg, Germany
- Diabetes Centre-Diabetic Foot Clinic, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - S A Paschou
- Endocrine Unit and Diabetes Centre, Department of Clinical Therapeutics, Alexandra Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Menopause Unit, 2nd Department of Obstetrics and Gynecology, Aretaieio Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - E Armeni
- Menopause Unit, 2nd Department of Obstetrics and Gynecology, Aretaieio Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - S A Polyzos
- First Laboratory of Pharmacology, Medical School, Aristotle University of Thessaloniki, Thessaloníki, Greece
| | - D G Goulis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloníki, Greece
| | - I Lambrinoudaki
- Menopause Unit, 2nd Department of Obstetrics and Gynecology, Aretaieio Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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102
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Bhatnagar R, Dixit NM, Yang EH, Sallam T. Cancer therapy's impact on lipid metabolism: Mechanisms and future avenues. Front Cardiovasc Med 2022; 9:925816. [PMID: 36017084 PMCID: PMC9396263 DOI: 10.3389/fcvm.2022.925816] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/22/2022] [Indexed: 11/16/2022] Open
Abstract
Atherosclerotic cardiovascular disease is a growing threat among cancer patients. Not surprisingly, cancer-targeting therapies have been linked to metabolic dysregulation including changes in local and systemic lipid metabolism. Thus, tumor development and cancer therapeutics are intimately linked to cholesterol metabolism and may be a driver of increased cardiovascular morbidity and mortality in this population. Chemotherapeutic agents affect lipid metabolism through diverse mechanisms. In this review, we highlight the mechanistic and clinical evidence linking commonly used cytotoxic therapies with cholesterol metabolism and potential opportunities to limit atherosclerotic risk in this patient population. Better understanding of the link between atherosclerosis, cancer therapy, and cholesterol metabolism may inform optimal lipid therapy for cancer patients and mitigate cardiovascular disease burden.
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Affiliation(s)
- Roshni Bhatnagar
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Neal M. Dixit
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Eric H. Yang
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- UCLA Cardio-Oncology Program, Division of Cardiology, Department of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Tamer Sallam
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Division of Cardiology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, United States
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103
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Lipoprotein and metabolite associations to breast cancer risk in the HUNT2 study. Br J Cancer 2022; 127:1515-1524. [PMID: 35927310 PMCID: PMC9553939 DOI: 10.1038/s41416-022-01924-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 07/06/2022] [Accepted: 07/14/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The aim of this study was to gain an increased understanding of the aetiology of breast cancer, by investigating possible associations between serum lipoprotein subfractions and metabolites and the long-term risk of developing the disease. METHODS From a cohort of 65,200 participants within the Trøndelag Health Study (HUNT study), we identified all women who developed breast cancer within a 22-year follow-up period. Using nuclear magnetic resonance (NMR) spectroscopy, 28 metabolites and 89 lipoprotein subfractions were quantified from prediagnostic serum samples of future breast cancer patients and matching controls (n = 1199 case-control pairs). RESULTS Among premenopausal women (554 cases) 14 lipoprotein subfractions were associated with long-term breast cancer risk. In specific, different subfractions of VLDL particles (in particular VLDL-2, VLDL-3 and VLDL-4) were inversely associated with breast cancer. In addition, inverse associations were detected for total serum triglyceride levels and HDL-4 triglycerides. No significant association was found in postmenopausal women. CONCLUSIONS We identified several associations between lipoprotein subfractions and long-term risk of breast cancer in premenopausal women. Inverse associations between several VLDL subfractions and breast cancer risk were found, revealing an altered metabolism in the endogenous lipid pathway many years prior to a breast cancer diagnosis.
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104
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Insight into Potential Interactions of Thyroid Hormones, Sex Hormones and Their Stimulating Hormones in the Development of Non-Alcoholic Fatty Liver Disease. Metabolites 2022; 12:metabo12080718. [PMID: 36005590 PMCID: PMC9414490 DOI: 10.3390/metabo12080718] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/30/2022] [Accepted: 07/31/2022] [Indexed: 02/01/2023] Open
Abstract
Non-Alcoholic Fatty Liver Disease (NAFLD) is a common manifestation of metabolic syndrome. In addition to lifestyle, endocrine hormones play a role in the dysregulation of hepatic metabolism. The most common endocrine hormones contributing to metabolic syndrome are alterations in the levels of thyroid hormones (THs, predominantly in subclinical hypothyroidism) and of sex hormones (in menopause). These hormonal changes influence hepatic lipid and glucose metabolism and may increase hepatic fat accumulation. This review compares the effects of sex hormones, THs and the respective stimulating hormones, Thyroid-Stimulating Hormone (TSH) and Follicle-Stimulating Hormone (FSH), on the development of hepatosteatosis. TSH and FSH may be more relevant to the dysregulation of hepatic metabolism than the peripheral hormones because metabolic changes were identified when only levels of the stimulating hormones were abnormal and the peripheral hormones were still in the reference range. Increased TSH and FSH levels appear to have additive effects on the development of NAFLD and to act independently from each other.
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105
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Association between Cholesterol Level and the Risk of Hematologic Malignancy According to Menopausal Status: A Korean Nationwide Cohort Study. Biomedicines 2022; 10:biomedicines10071617. [PMID: 35884921 PMCID: PMC9313203 DOI: 10.3390/biomedicines10071617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 12/05/2022] Open
Abstract
Recent studies have revealed the possible association between serum cholesterol levels and hematologic malignancy (HM). However, limited information is available about how reproductive factors interact with this association. Therefore, we investigated the roles of serum cholesterol in the risk of HM according to the menopausal status. We finally identified 1,189,806 premenopausal and 1,621,604 postmenopausal women who underwent a national health screening program in 2009 using data from the Korean National Health Insurance Service database. Overall, 5449 (0.19%) developed HM. Among postmenopausal women, the inverse associations were observed between total cholesterol, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) levels, and the risk of overall HM. In premenopausal women, the highest quartile of HDL-C was associated with a reduced risk of HM compared with the lowest quartile of HDL-C consistent with results in postmenopausal women (adjusted hazard ratio [aHR] 0.80, 95% confidence interval [CI] [0.68–0.95]), whereas the highest quartile of triglyceride (TG) showed an increased risk of HM compared to the lowest quartile of TG, (aHR 1.22, 95% CI [1.02,1.44]) only in premenopausal women. Our finding suggests that lipid profiles are differently associated with HM risk by menopausal status.
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106
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Xu L, Yuan Y, Che Z, Tan X, Wu B, Wang C, Xu C, Xiao J. The Hepatoprotective and Hepatotoxic Roles of Sex and Sex-Related Hormones. Front Immunol 2022; 13:939631. [PMID: 35860276 PMCID: PMC9289199 DOI: 10.3389/fimmu.2022.939631] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/13/2022] [Indexed: 12/18/2022] Open
Abstract
Most liver diseases, including acute liver injury, drug-induced liver injury, viral hepatitis, metabolic liver diseases, and end-stage liver diseases, are strongly linked with hormonal influences. Thus, delineating the clinical manifestation and underlying mechanisms of the “sexual dimorphism” is critical for providing hints for the prevention, management, and treatment of those diseases. Whether the sex hormones (androgen, estrogen, and progesterone) and sex-related hormones (gonadotrophin-releasing hormone, luteinizing hormone, follicle-stimulating hormone, and prolactin) play protective or toxic roles in the liver depends on the biological sex, disease stage, precipitating factor, and even the psychiatric status. Lifestyle factors, such as obesity, alcohol drinking, and smoking, also drastically affect the involving mechanisms of those hormones in liver diseases. Hormones deliver their hepatic regulatory signals primarily via classical and non-classical receptors in different liver cell types. Exogenous sex/sex-related hormone therapy may serve as a novel strategy for metabolic liver disease, cirrhosis, and liver cancer. However, the undesired hormone-induced liver injury should be carefully studied in pre-clinical models and monitored in clinical applications. This issue is particularly important for menopause females with hormone replacement therapy (HRT) and transgender populations who want to receive gender-affirming hormone therapy (GAHT). In conclusion, basic and clinical studies are warranted to depict the detailed hepatoprotective and hepatotoxic mechanisms of sex/sex-related hormones in liver disease. Prolactin holds a promising perspective in treating metabolic and advanced liver diseases.
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Affiliation(s)
- Linlin Xu
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuan Yuan
- Clinical Medicine Research Institute, Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Zhaodi Che
- Clinical Medicine Research Institute, Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xiaozhi Tan
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Bin Wu
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Cunchuan Wang
- Clinical Medicine Research Institute, Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Chengfang Xu
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Chengfang Xu, ; Jia Xiao,
| | - Jia Xiao
- Clinical Medicine Research Institute, Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
- *Correspondence: Chengfang Xu, ; Jia Xiao,
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107
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Nagral A, Bangar M, Menezes S, Bhatia S, Butt N, Ghosh J, Manchanayake JH, Mahtab MA, Singh SP. Gender Differences in Nonalcoholic Fatty Liver Disease. Euroasian J Hepatogastroenterol 2022; 12:S19-S25. [PMID: 36466099 PMCID: PMC9681575 DOI: 10.5005/jp-journals-10018-1370] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2023] Open
Abstract
UNLABELLED Nonalcoholic fatty liver disease (NAFLD) has currently emerged as the most common liver disorder in both developed and developing countries. It has been observed that NAFLD exhibits sexual dimorphism, and there is limited understanding on the sex differences in adults with NAFLD. Nonalcoholic fatty liver disease shows marked differences in prevalence and severity with regards to gender. There are considerable biological disparities between males and females attributed to differences in the chromosomal makeup and sex hormone levels, distinct from the gender differences resulting from the sociocultural influences that lead to differences in lifestyle, which have a significant impact on the pathogenesis of this complex disorder. A multitude of factors contributes to the gender disparities seen and need to be researched in-depth to better understand the mechanisms behind them and the therapeutic measures that can be taken. In this article, we will review the gender disparities seen in NAFLD, as well as recent studies highlighting certain gender-specific factors contributing to its varying prevalence and severity. HOW TO CITE THIS ARTICLE Nagral A, Bangar M, Menezes S, et al. Gender Differences in Nonalcoholic Fatty Liver Disease. Euroasian J Hepato-Gastroenterol 2022;12(Suppl 1):S19-S25.
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Affiliation(s)
- Aabha Nagral
- Department of Gastroenterology, Jaslok Hospital and Research Centre, Mumbai, Maharashtra, India; Apollo Hospital, Navi Mumbai, Maharashtra, India
| | - Manisha Bangar
- Division of Gastroenterology and Hepatology, Century Hospitals, Hyderabad, Telangana, India
| | - Sherna Menezes
- Department of Gastroenterology, Jaslok Hospital and Research Centre, Mumbai, Maharashtra, India
| | - Shobna Bhatia
- Department of Gastroenterology, Sir HN Reliance Foundation Hospital, Mumbai, Maharashtra, India
| | - Nazish Butt
- Department of Gastroenterology, Jinnah Postgraduate Medical Center, Karachi, Pakistan
| | - Jhumur Ghosh
- Department of Hepatology, MH Samorita Hospital and Medical College, Dhaka, Bangladesh
| | | | - Mamun Al Mahtab
- Department of Hepatology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
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Mice blocking Ser347 phosphorylation of pregnane x receptor develop hepatic fasting-induced steatosis and hypertriglyceridemia. Biochem Biophys Res Commun 2022; 615:75-80. [PMID: 35609418 PMCID: PMC9233068 DOI: 10.1016/j.bbrc.2022.05.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/12/2022] [Accepted: 05/15/2022] [Indexed: 11/20/2022]
Abstract
Nuclear receptor Pregnane X Receptor (PXR; NR1I2) has transcriptional regulation functions for energy homeostasis in the liver. Mouse PXR has a conserved phosphorylation motif at serine 347 (serine 350 in humans) within the ligand-binding domain. PXR phosphorylated at this motif is expressed in mouse livers in response to fasting. Mice with a PXR∗Ser347Ala knockin mutation (PXR KI) were generated to block phosphorylation, and utilized to investigate the role of Ser347 phosphorylation in vivo. PXR KI mice had decreased body weight at 8-weeks of age and had much greater weight loss after fasting compared with PXR WT mice. The cDNA microarray analysis of hepatic mRNAs showed that cell death or apoptotic signaling was induced in fasting PXR KI mice. Moreover, increasing hepatic lipids, triglycerides and the development of hypertriglyceridemia were observed in fasting PXR KI mice. These findings are indicative that blocking phosphorylation prevents mice from maintaining hepatic energy homeostasis. Thus, phosphorylated PXR may be an essential factor to prevent the liver from developing damage caused by fasting.
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109
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Dianatinasab M, Wesselius A, Salehi‐Abargouei A, Yu EYW, Fararouei M, Brinkman M, van den Brandt P, White E, Weiderpass E, Le Calvez‐Kelm F, Gunter MJ, Huybrechts I, Zeegers MP. Dietary fats and their sources in association with the risk of bladder cancer: A pooled analysis of 11 prospective cohort studies. Int J Cancer 2022; 151:44-55. [PMID: 35182086 PMCID: PMC9303525 DOI: 10.1002/ijc.33970] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 01/17/2022] [Accepted: 01/24/2022] [Indexed: 12/01/2022]
Abstract
The effects of fat intake from different dietary sources on bladder cancer (BC) risk remains unidentified. Therefore, the present study aimed to investigate the association between fat intakes and BC risk by merging world data on this topic. Data from 11 cohort studies in the BLadder cancer Epidemiology and Nutritional Determinants (BLEND) study, provided sufficient information on fat intake for a total of 2731 BC cases and 544 452 noncases, which yielded 5 400 168 person-years of follow-up. Hazard ratios (HRs), with corresponding 95% confidence intervals (CIs), were estimated using Cox-regression models stratified on cohort. Analyses were adjusted for total energy intake in kilocalories, gender, smoking status (model-1) and additionally for sugar and sugar products, beers, wine, dressing and plant-based and fruits intakes (model-2). Among women, an inverse association was observed between mono-unsaturated fatty acids (MUFAs) and BC risk (HR comparing the highest with the lowest tertile: 0.73, 95% CI: 0.58-0.93, P-trend = .01). Overall, this preventative effect of MUFAs on BC risk was only observed for the nonmuscle invasive bladder cancer (NMIBC) subtype (HR: 0.69, 95% CI: 0.53-0.91, P-trend = .004). Among men, a higher intake of total cholesterol was associated with an increased BC risk (HR: 1.37, 95% CI: 1.16-1.61, P-trend = .01). No other significant associations were observed. This large prospective study adds new insights into the role of fat and oils in BC carcinogenesis, showing an inverse association between consumption of MUFAs and the development of BC among women and a direct association between higher intakes of dietary cholesterol and BC risk among men.
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Affiliation(s)
- Mostafa Dianatinasab
- Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastrichtThe Netherlands
| | - Anke Wesselius
- Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastrichtThe Netherlands
| | - Amin Salehi‐Abargouei
- Nutrition and Food Security Research Center, Department of Nutrition, School of Public HealthShahid Sadoughi University of Medical SciencesYazdIran
| | - Evan Y. W. Yu
- Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastrichtThe Netherlands
| | - Mohammad Fararouei
- Department of EpidemiologyShiraz University of Medical SciencesShirazIran
| | - Maree Brinkman
- Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastrichtThe Netherlands
- Department of Clinical Studies and Nutritional EpidemiologyNutrition Biomed Research InstituteMelbourneAustralia
- Cancer Epidemiology DivisionCancer Council VictoriaMelbourneVictoriaAustralia
| | - Piet van den Brandt
- Department of Epidemiology, Schools for Oncology and Developmental Biology and Public Health and Primary CareMaastricht University Medical CentreMaastrichtThe Netherlands
| | - Emily White
- Fred Hutchinson Cancer Research CenterSeattleWashingtonUSA
| | | | | | - Marc J. Gunter
- International Agency for Research on Cancer World Health OrganizationLyonFrance
| | - Inge Huybrechts
- International Agency for Research on Cancer World Health OrganizationLyonFrance
| | - Maurice P. Zeegers
- Department of Complex Genetics and Epidemiology, School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastrichtThe Netherlands
- CAPHRI School for Public Health and Primary CareMaastricht UniversityMaastrichtThe Netherlands
- School of Cancer SciencesUniversity of BirminghamBirminghamUK
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110
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Nappi RE, Chedraui P, Lambrinoudaki I, Simoncini T. Menopause: a cardiometabolic transition. Lancet Diabetes Endocrinol 2022; 10:442-456. [PMID: 35525259 DOI: 10.1016/s2213-8587(22)00076-6] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/08/2022] [Accepted: 02/17/2022] [Indexed: 12/12/2022]
Abstract
Menopause is often a turning point for women's health worldwide. Increasing knowledge from experimental data and clinical studies indicates that cardiometabolic changes can manifest at the menopausal transition, superimposing the effect of ageing onto the risk of cardiovascular disease. The menopausal transition is associated with an increase in fat mass (predominantly in the truncal region), an increase in insulin resistance, dyslipidaemia, and endothelial dysfunction. Exposure to endogenous oestrogen during the reproductive years provides women with protection against cardiovascular disease, which is lost around 10 years after the onset of menopause. In particular, women with vasomotor symptoms during menopause seem to have an unfavourable cardiometabolic profile. Early management of the traditional risk factors of cardiovascular disease (ie, hypertension, obesity, diabetes, dyslipidaemia, and smoking) is essential; however, it is important to recognise in the reproductive history the female-specific conditions (ie, gestational hypertension or diabetes, premature ovarian insufficiency, some gynaecological diseases such as functional hypothalamic amenorrhoea, and probably others) that could enhance the risk of cardiovascular disease during and after the menopausal transition. In this Review, the first of a Series of two papers, we provide an overview of the literature for understanding cardiometabolic changes and the management of women at midlife (40-65 years) who are at higher risk, focusing on the identification of factors that can predict the occurrence of cardiovascular disease. We also summarise evidence about preventive non-hormonal strategies in the context of cardiometabolic health.
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Affiliation(s)
- Rossella E Nappi
- Research Center for Reproductive Medicine, Gynecological Endocrinology and Menopause, IRCCS San Matteo Foundation, Pavia, Italy; Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.
| | - Peter Chedraui
- Instituto de Investigación e Innovación en Salud Integral and Laboratorio de Biomedicina, Facultad de Ciencias Médicas, Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador
| | - Irene Lambrinoudaki
- Menopause Unit, 2nd Department of Obstetrics and Gynecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Tommaso Simoncini
- Division of Obstetrics and Gynecology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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111
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Yu YM, Zhou BH, Yang YL, Guo CX, Zhao J, Wang HW. Estrogen Deficiency Aggravates Fluoride-Induced Liver Damage and Lipid Metabolism Disorder in Rats. Biol Trace Elem Res 2022; 200:2767-2776. [PMID: 34392477 DOI: 10.1007/s12011-021-02857-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/29/2021] [Indexed: 12/14/2022]
Abstract
Estrogen exerts essential role in liver metabolism, and its deficiency is frequently accompanied by a series of metabolic disorder diseases. To investigate the role of estrogen deficiency in fluorine ions (F-) induced liver injury, the ovariectomy (OVX) rat models were performed by surgically removing the ovaries, and the rats from OVX and non-OVX models were exposed to differential dose of F- (0, 25, 50 and 100 mg/L) in drinking water for 90 days. The liver morphological structure was evaluated by hematoxylin-eosin staining. Proliferation ability of hepatocytes was evaluated by 5-bromo-2-deoxyuridine (BrdU) assay. And distribution of lipid droplets in liver tissue was observed via oil red O staining. In addition, the liver function and lipid metabolism parameters in serum were detected by commercial kits. Results showed that F- induced hepatocytes morphological damage and inhibited the proliferation ability of hepatocytes; estrogen deficiency exacerbated these changes. The deposition of lipid droplets in the liver tissue was multiplicative with increased F- dose, especially after estrogen deficiency. In addition, F- exposure increased (P < 0.05 or P < 0.01) serum aminotransferase (ALT), aminotransferase (AST), alkaline phosphatase (ALP), and γ-glutamyl transpeptidase (γ-GT) activities and total bilirubin (T-bil) level; meanwhile, serum triglyceride (TG) and cholesterol (TC) levels were also elevated (P < 0.05 or P < 0.01). F--induced liver function and lipid metabolism indexes were further increased (P < 0.05 or P < 0.01) in the state of estrogen deficiency. In conclusion, estrogen deficiency aggravated F--induced liver damage and lipid metabolism disorder.
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Affiliation(s)
- Ya-Ming Yu
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China
| | - Bian-Hua Zhou
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China.
| | - Yi-Lin Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China
| | - Cheng-Xiang Guo
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China
| | - Jing Zhao
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China
| | - Hong-Wei Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan, People's Republic of China
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112
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Nguyen HD, Oh H, Kim MS. The effects of chemical mixtures on lipid profiles in the Korean adult population: threshold and molecular mechanisms for dyslipidemia involved. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:39182-39208. [PMID: 35099691 DOI: 10.1007/s11356-022-18871-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Abstract
A scarcity of research assesses the effects of exposure to a combination of chemicals on lipid profiles as well as molecular mechanisms related to dyslipidemia. A cross-sectional study of 3692 adults aims to identify the association between chemical mixtures, including blood and urine 26 chemicals, and lipid profiles among Korean adults (aged ≥ 18) using linear regression models, weighted quantile sum (WQS) regression, quantile g-computation (qgcomp), and Bayesian kernel machine regression (BKMR). In silico toxicogenomic data-mining, we assessed molecular mechanisms linked with dyslipidemia, including genes, miRNAs, pathways, biological processes, and diseases. In the linear regression models, heavy metals, volatile organic compound metabolites, and phthalate metabolites were found to be related to HDL-C, triglycerides, LDL-C, total lipids, and total cholesterol, and significant trends were observed for these chemical quartiles (p < 0.01). The WQS index was significantly linked with HDL-C, triglycerides, LDL-C, total cholesterol, and total lipids. The qgcomp index also found a significant association between chemicals and HDL-C, triglycerides, and total lipids. In BKMR analysis, the overall effect of the chemical mixture was significantly associated with HDL-C, triglycerides, total cholesterol, and total lipids. We found that mixed chemicals interacted with the PPARA gene and were linked with dyslipidemia. Several pathways ("SREBF and miR33 in cholesterol," "estrogen receptor pathway and lipid homeostasis," and "regulation of PGC-1α"), "negative regulation of hepatocyte apoptotic process," "negative regulation of sequestering of triglycerides," "regulation of hepatocyte apoptotic process," and "negative regulation of cholesterol storage," and "abdominal obesity metabolic syndrome" were identified as key molecular mechanisms that may be affected by mixed chemicals and implicated in the development of dyslipidemia. The highest interaction and expression of miRNAs involved in the process of dyslipidemia were also described. Especially, the cutoff levels for chemical exposure levels related to lipid profiles were also provided.
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Affiliation(s)
- Hai Duc Nguyen
- Department of Pharmacy, College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Sunchon, Jeonnam, Republic of Korea
| | - Hojin Oh
- Department of Pharmacy, College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Sunchon, Jeonnam, Republic of Korea
| | - Min-Sun Kim
- Department of Pharmacy, College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Sunchon, Jeonnam, Republic of Korea.
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Poloxamer 407 Induces Hypertriglyceridemia but Decreases Atherosclerosis in Ldlr -/- Mice. Cells 2022; 11:cells11111795. [PMID: 35681489 PMCID: PMC9179832 DOI: 10.3390/cells11111795] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/10/2022] Open
Abstract
Background: Hypertriglyceridemia (HTG) increases the risk for atherosclerotic cardiovascular disease, but underlying mechanisms are incompletely understood. Circulating monocytes play an important role in atherogenesis by infiltrating arterial walls, where they differentiate into macrophages. We tested the hypothesis that HTG is mechanistically linked to atherogenesis by altering the monocyte phenotype and infiltration into atherosclerotic lesions in a model of diet-induced atherogenesis in Ldlr−/− mice. Methods: HTG was induced in male Ldlr−/− mice, fed a Western, high-fat high-cholesterol diet, by daily injection of poloxamer 407 (P407), a lipoprotein lipase inhibitor, for seven weeks. Atherosclerosis, monocyte phenotypes, and monocyte migration into atherosclerotic lesions were determined by well-validated methods. Results: Compared with the saline control, P407 injection in Ldlr−/− mice rapidly induced profound and persistent HTG, modestly elevated plasma cholesterol levels, and increased levels of triglyceride and cholesterol carried in very-low-density lipoprotein and low-density lipoprotein. Unexpectedly, mice receiving P407 versus saline control showed less atherosclerosis. Following induction of HTG by P407, CD36+ (also CD11c+), but not CD36− (CD11c−), monocytes showed early increases in lipid accumulation, but the number of CD36+ (not CD36−) monocytes was dramatically decreased afterwards in the circulation until the end of the test. Concurrently, CD36+ (CD11c+) monocyte migration into atherosclerotic lesions was also reduced in mice receiving P407 versus controls. Conclusions: P407 induced severe HTG, but reduced atherosclerosis, in Ldlr−/− mice, possibly because of profound reductions of circulating CD36+ (CD11c+) monocytes, leading to decreased monocyte migration into atherosclerotic lesions.
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114
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Sobstyl M, Brecht P, Sobstyl A, Mertowska P, Grywalska E. The Role of Microbiota in the Immunopathogenesis of Endometrial Cancer. Int J Mol Sci 2022; 23:ijms23105756. [PMID: 35628566 PMCID: PMC9143279 DOI: 10.3390/ijms23105756] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 02/01/2023] Open
Abstract
The female reproductive tract hosts a specific microbiome, which plays a crucial role in sustaining equilibrium and good health. In the majority of reproductive women, the microbiota (all bacteria, viruses, fungi, and other single-celled organisms within the human body) of the vaginal and cervical microenvironment are dominated by Lactobacillus species, which benefit the host through symbiotic relationships, in comparison to the uterus, fallopian tubes, and ovaries, which may contain a low-biomass microbiome with a diverse mixture of microorganisms. Although disruption to the balance of the microbiota develops, the altered immune and metabolic signaling may cause an impact on diseases such as cancer. These pathophysiological modifications in the gut–uterus axis may spark gynecological cancers. New information displays that gynecological and gastrointestinal tract dysbiosis (disruption of the microbiota homeostasis) can play an active role in the advancement and metastasis of gynecological neoplasms, such as cervical, endometrial, and ovarian cancers. Understanding the relationship between microbiota and endometrial cancer is critical for prognosis, diagnosis, prevention, and the development of innovative treatments. Identifying a specific microbiome may become an effective method for characterization of the specific microbiota involved in endometrial carcinogenesis. The aim of this study was to summarize the current state of knowledge that describes the correlation of microbiota with endometrial cancer with regard to the formation of immunological pathologies.
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Affiliation(s)
- Małgorzata Sobstyl
- Department of Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-037 Lublin, Poland;
| | - Peet Brecht
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
| | - Anna Sobstyl
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
| | - Paulina Mertowska
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
- Correspondence: (P.M.); (E.G.)
| | - Ewelina Grywalska
- Department of Experimental Immunology, Medical University of Lublin, Chodźki 4a St., 20-093 Lublin, Poland; (P.B.); (A.S.)
- Correspondence: (P.M.); (E.G.)
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115
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Abstract
Endocrine diseases may be associated with dyslipidaemia and may increase atherosclerotic cardiovascular disease (ASCVD) risk. This chapter describes changes in lipids and lipoproteins in diseases of the pituitary, thyroid, adrenal glands, ovaries, and testes, the mechanisms for these changes, ASCVD risk in these endocrine disorders, and whether treatment of the endocrine disorder improves the lipid profile and reduces ASCVD risk. Acromegaly, GH deficiency, Cushing syndrome, chronic glucocorticoid replacement, hypothyroidism, PCOS and male hypogonadism can increase LDL-C and/or TG. Marked reductions in LDL-C are associated with hyperthyroidism, and extremely low HDL-C levels with testosterone and/or other anabolic steroid abuse. Acromegaly, GH deficiency, Cushing syndrome, and chronic glucocorticoid replacement are associated with increased ASCVD risk. Treatment of acromegaly, GH deficiency, hypothyroidism, Cushing syndrome, and testosterone deficiency reduce LDL-C, although statin therapy may still be needed. Effects on ASCVD are not known.
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Affiliation(s)
- Connie B Newman
- Division of Endocrinology, Diabetes and Metabolism, New York University Grossman School of Medicine, New York, NY 10016, USA.
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116
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Bezuidenhout MC, Conradie-Smit M, Dave JA, de Vries E, Ross IL, Zemlin AE. Reference intervals for biochemical analytes in transgender individuals on hormone therapy. Ann Clin Biochem 2022; 59:183-192. [PMID: 35044249 DOI: 10.1177/00045632211066777] [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] [Indexed: 11/16/2022]
Abstract
BACKGROUND Hormone therapy in transgender individuals may impact processes that lead to changes in biochemical analytes, and therefore reference intervals. Currently, few reference interval studies are available for the transgender population. We determined biochemical reference intervals for transgender individuals receiving hormone therapy. METHODS Our retrospective, laboratory-based, observational study included healthy transgender males (N = 24) and transgender females (N = 84) on hormone therapy. Various biochemical reference intervals were established for each cohort and compared to their cisgender counterparts. RESULTS We detected significant differences in reference intervals for sodium, 139-142 mmol/L vs. 136-145 mmol/L when comparing transgender males (TM) with cisgender males (CM). The following significant changes in upper reference limits (URL) for TM versus CM were detected, ALP (URL: 96 U/L vs. 128 U/L), GGT (URL: 27 U/L vs. 67 U/L) and testosterone (URL: 46.7 nmol/L vs. 29.0 nmol/L), respectively. Moreover, when comparing transgender female (TF) to cisgender female (CF), significant differences in creatinine (URL: 117 μmol/L vs. 90 μmol/L), albumin (lower reference limit: 41 g/L, vs. 35 g/L), AST (URL: 50 U/L vs. 35 U/L), ALP (URL: 118 U/L vs. 98 U/L) and oestradiol (URL: 934 pmol/L vs. 213 pmol/L) were noted, respectively. Significantly higher LDL-C was observed for TM on hormone treatment, compared to baseline (2.9 mmol/L vs. 2.2 mmol/L, p <0.01). CONCLUSIONS Biochemical results for TM and TF receiving hormone therapy can be evaluated against our transgender-specific reference intervals for some analytes, while others can be compared to their identified gender reference intervals.
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Affiliation(s)
- Morné C Bezuidenhout
- Division of Chemical Pathology, Department of Pathology, Stellenbosch University and National Health Laboratory Service, Tygerberg Hospital, Cape Town, South Africa
| | - Marli Conradie-Smit
- Division of Endocrinology, Department of Medicine, 121470Stellenbosch University, Tygerberg Hospital, Cape Town, South Africa
| | - Joel A Dave
- Division of Endocrinology, Department of Medicine, 63726University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa
| | - Elma de Vries
- Division of Family Medicine, School of Public Health and Family Medicine, 63726University of Cape Town, Cape Town, South Africa
| | - Ian L Ross
- Division of Endocrinology, Department of Medicine, 121470Stellenbosch University, Tygerberg Hospital, Cape Town, South Africa
| | - Annalise E Zemlin
- Division of Chemical Pathology, Department of Pathology, Stellenbosch University and National Health Laboratory Service, Tygerberg Hospital, Cape Town, South Africa
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117
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Aging-related changes in metabolic indicators in female rats and their management with Tinospora cordifolia. Biogerontology 2022; 23:363-380. [PMID: 35488997 DOI: 10.1007/s10522-022-09962-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/12/2022] [Indexed: 12/24/2022]
Abstract
Conflicting reports of HRT necessitates exploration of therapeutic interventions with the least side effects to preserve metabolic homeodynamics in women later in life. The current study was designed to elucidate the cumulative effects of aging and/or high fat diet (HFD) on some metabolic indicators and their management by Tinospora cordifolia stem powder (TCP) using middle-aged acyclic and young adult cyclic female rats as the model system. Animals were fed on either normal chow or HFD supplemented with or without TCP. Blood and liver tissue were collected for biochemical, and histological studies as well as for expression of proteins regulating lipid metabolism. Animals fed with TCP supplemented normal chow feed showed bodyweight management over 12-weeks despite their high feed and calories intake compared to young and age-matched controls as well as HFD-fed animals. TCP dose used was not toxic and rather prevented age-associated liver dysfunctions and ameliorated dyslipidemia and oxidative stress, normalized blood glucose, insulin, leptin, and secretary pro-inflammatory cytokines. Further, bodyweight management effect of TCP was observed to target AMPK signalling pathway as the mediator of lipogenesis, sterol biosynthesis, lipolysis, and β-oxidation of fatty acids. These findings suggest that TCP supplementation in diet may be a potential interventional strategy to ameliorate aging-associated hepatic and metabolic dysfunctions and to promote healthy aging.
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118
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Zhou L, Yang R, Tian H, Qin X, Ye C, Shi X, Xia C, Cai T, Xie Y, Jia Y, Hu G. Sexual dimorphism in Odontobutis sinensis brain-pituitary-gonad axis and liver highlighted by histological and transcriptomic approach. Gene 2022; 819:146264. [PMID: 35114283 DOI: 10.1016/j.gene.2022.146264] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/18/2022] [Accepted: 01/27/2022] [Indexed: 11/24/2022]
Abstract
In this study, sexual dimorphism in Chinese dark sleeper (Odontobutis sinensis) brain-pituitary-gonad axis and liver was highlighted by histological and transcriptomic approach. The results showed that there were two significant differences between males and females. Firstly, males grew larger and faster than females. Transcriptomic analysis and qPCR validation indicated that two key growth genes, insulin-like growth factor (igf) and 25-hydroxyvitamin D-1 alpha hydroxylase (cyp27b), were more highly detected in male liver than that in female liver. Secondly, histological analysis displayed that the liver in males showed an obvious ivory fatty phenomenon with more fat vacuoles and lipid droplet aggregation compared to that in females. Transcriptomic analysis indicated that the transcript level of vitellogenin (vtg) in male liver were significantly lower than that in female liver. After 17β-estradiol (E2) treatment of primary cultured hepatocytes, the vtg mRNA expression was induced significantly, while dihydrotestosterone (DHT) treatment had little effect on it. Generally, this study will provide some ideas for further exploring the mechanism of sexual dimorphism in Odontobutis sinensis.
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Affiliation(s)
- Lingling Zhou
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Ruibin Yang
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Hua Tian
- Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences, Hubei Engineering Research Center of Hydroecology Protection and Restoration, Wuhan 430079, China
| | - Xiangfeng Qin
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Cheng Ye
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Xuetao Shi
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Chuanhui Xia
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Tianyi Cai
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Yunyi Xie
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Yongyi Jia
- Agriculture Ministry Key Laboratory of Healthy Freshwater Aquaculture, Key Laboratory of Fish Health and Nutrition of Zhejiang Province, Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, China.
| | - Guangfu Hu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
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119
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Saturated Fat and Cardiovascular Health: Phenotype and Dietary Factors Influencing Interindividual Responsiveness. Curr Atheroscler Rep 2022; 24:391-398. [PMID: 35320834 DOI: 10.1007/s11883-022-01014-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE OF REVIEW Recent inconsistencies in nutrition research studies examining the influence of saturated fat (SFA) on cardiovascular disease (CVD) risk have led to substantial scientific debate and increased public confusion. This review will summarize metabolic characteristics and food-based factors that underlie interindividual responsiveness to SFA consumption. RECENT FINDINGS The magnitude of postprandial blood lipid responses to SFA intake is dependent on a number of individual factors including age, sex, and adiposity status. Further, the metabolic effects of SFA intake are influenced by the specific types of SFAs and the food matrix within which they are contained. Importantly, results from research examining the effects of SFA on CVD risk should be interpreted with consideration of the comparator nutrient (i.e., carbohydrate, monounsaturated fat, polyunsaturated fat). A more nuanced understanding of the multitude of factors mediating the influence of SFA on lipid metabolism and CVD risk might help resolve the current controversy and inform more precise personalized recommendations for future dietary guidelines.
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120
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Kemas AM, Youhanna S, Lauschke VM. Non-alcoholic fatty liver disease - opportunities for personalized treatment and drug development. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2022. [DOI: 10.1080/23808993.2022.2053285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Aurino M. Kemas
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Sonia Youhanna
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Volker M. Lauschke
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart, Germany
- University of Tuebingen, Tuebingen, Germany
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121
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Borén J, Taskinen MR, Björnson E, Packard CJ. Metabolism of triglyceride-rich lipoproteins in health and dyslipidaemia. Nat Rev Cardiol 2022; 19:577-592. [PMID: 35318466 DOI: 10.1038/s41569-022-00676-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/02/2022] [Indexed: 02/07/2023]
Abstract
Accumulating evidence points to the causal role of triglyceride-rich lipoproteins and their cholesterol-enriched remnants in atherogenesis. Genetic studies in particular have not only revealed a relationship between plasma triglyceride levels and the risk of atherosclerotic cardiovascular disease, but have also identified key proteins responsible for the regulation of triglyceride transport. Kinetic studies in humans using stable isotope tracers have been especially useful in delineating the function of these proteins and revealing the hitherto unappreciated complexity of triglyceride-rich lipoprotein metabolism. Given that triglyceride is an essential energy source for mammals, triglyceride transport is regulated by numerous mechanisms that balance availability with the energy demands of the body. Ongoing investigations are focused on determining the consequences of dysregulation as a result of either dietary imprudence or genetic variation that increases the risk of atherosclerosis and pancreatitis. The identification of molecular control mechanisms involved in triglyceride metabolism has laid the groundwork for a 'precision-medicine' approach to therapy. Novel pharmacological agents under development have specific molecular targets within a regulatory framework, and their deployment heralds a new era in lipid-lowering-mediated prevention of disease. In this Review, we outline what is known about the dysregulation of triglyceride transport in human hypertriglyceridaemia.
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Affiliation(s)
- Jan Borén
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden.
| | - Marja-Riitta Taskinen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Elias Björnson
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Chris J Packard
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
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DHEA Protects Human Cholangiocytes and Hepatocytes against Apoptosis and Oxidative Stress. Cells 2022; 11:cells11061038. [PMID: 35326489 PMCID: PMC8947473 DOI: 10.3390/cells11061038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/09/2022] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Primary biliary cholangitis (PBC) is a rare chronic cholestatic and immune-mediated liver disease of unknown aetiology that targets intrahepatic bile duct cells (cholangiocytes) and primarily affects postmenopausal women, when their estrogen levels sharply decrease. An impaired cholangiocyte response to estrogen characterizes the terminal stage of the disease, as this is when an inefficiency of cholangiocyte proliferation, in balancing the loss of intrahepatic bile ducts, is observed. Here, we report that the estrogen precursor dehydroepiandrosterone (DHEA) and its sulfate metabolites, DHEA-S and 17 β-estradiol, enhance the proliferation of cholangiocytes and hepatocytes in vitro. Flow cytometry analysis showed that DHEA and DHEA-S decreased glyco-chenodeoxycholic acid (GCDC)-driven apoptosis in cholangiocytes. Cell viability assay (MTT) indicated that ER-α, -β, and the G-protein-coupled estrogen receptor, are involved in the protection of DHEA against oxidative stress in cholangiocytes. Finally, immunoblot analysis showed an elevated level of steroid sulfatase and a reduced level of sulfotransferase 1E1 enzymes, involved in the desulfation/sulfation process of estrogens in cirrhotic PBC, and primary sclerosis cholangitis (PSC) liver tissues, another type of chronic cholestatic and immune-mediated liver disease. Taken together, these results suggest that DHEA can prevent the deleterious effects of certain potentially toxic bile acids and reactive oxygen species, delaying the onset of liver disease.
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123
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Estrogenic Action in Stress-Induced Neuroendocrine Regulation of Energy Homeostasis. Cells 2022; 11:cells11050879. [PMID: 35269500 PMCID: PMC8909319 DOI: 10.3390/cells11050879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/16/2022] [Accepted: 02/28/2022] [Indexed: 01/27/2023] Open
Abstract
Estrogens are among important contributing factors to many sex differences in neuroendocrine regulation of energy homeostasis induced by stress. Research in this field is warranted since chronic stress-related psychiatric and metabolic disturbances continue to be top health concerns, and sex differences are witnessed in these aspects. For example, chronic stress disrupts energy homeostasis, leading to negative consequences in the regulation of emotion and metabolism. Females are known to be more vulnerable to the psychological consequences of stress, such as depression and anxiety, whereas males are more vulnerable to the metabolic consequences of stress. Sex differences that exist in the susceptibility to various stress-induced disorders have led researchers to hypothesize that gonadal hormones are regulatory factors that should be considered in stress studies. Further, estrogens are heavily recognized for their protective effects on metabolic dysregulation, such as anti-obesogenic and glucose-sensing effects. Perturbations to energy homeostasis using laboratory rodents, such as physiological stress or over-/under- feeding dietary regimen prevalent in today’s society, offer hints to the underlying mechanisms of estrogenic actions. Metabolic effects of estrogens primarily work through estrogen receptor α (ERα), which is differentially expressed between the sexes in hypothalamic nuclei regulating energy metabolism and in extrahypothalamic limbic regions that are not typically associated with energy homeostasis. In this review, we discuss estrogenic actions implicated in stress-induced sex-distinct metabolic disorders.
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Molina-Molina E, Furtado GE, Jones JG, Portincasa P, Vieira-Pedrosa A, Teixeira AM, Barros MP, Bachi ALL, Sardão VA. The advantages of physical exercise as a preventive strategy against NAFLD in postmenopausal women. Eur J Clin Invest 2022; 52:e13731. [PMID: 34890043 DOI: 10.1111/eci.13731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/02/2021] [Accepted: 12/09/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND The prevalence and severity of nonalcoholic fatty liver disease (NAFLD) increase in women after menopause. This narrative review discusses the causes and consequences of NAFLD in postmenopausal women and describes how physical activity can contribute to its prevention. METHODS The authors followed the narrative review method to perform a critical and objective analysis of the current knowledge on the topic. The Medical Subject Heading keywords 'physical exercise', 'menopause', 'hormone replacement therapy', 'estradiol' and 'NAFLD' were used to establish a conceptual framework. The databases used to collect relevant references included Medline and specialized high-impact journals. RESULTS Higher visceral adiposity, higher rate of lipolysis in adipose tissue after oestrogen drop and changes in the expression of housekeeping proteins involved in hepatic lipid management are observed in women after menopause, contributing to NAFLD. Excessive liver steatosis leads to hepatic insulin resistance, oxidative stress and inflammation, accelerating NAFLD progression. Physical activity brings beneficial effects against several postmenopausal-associated complications, including NAFLD progression. Aerobic and resistance exercises partially counteract alterations induced by metabolic syndrome in sedentary postmenopausal women, impacting NAFLD progression and severity. CONCLUSIONS With the increased global obesity epidemic in developing countries, NAFLD is becoming a severe problem with increased prevalence in women after menopause. Evidence shows that physical activity may delay NAFLD development and severity in postmenopausal women, although the prescription of age-appropriate physical activity programmes is advisable to assure the health benefits.
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Affiliation(s)
- Emilio Molina-Molina
- Department of Biomedical Sciences & Human Oncology, University of Bari Medical School, Clinica Medica "A. Murri", Bari, Italy
| | - Guilherme Eustaquio Furtado
- Health Sciences Research Unit: Nursing (UICISA:E), Nursing School of Coimbra (ESEnfC), Coimbra, Portugal.,Research Unit for Sport and Physical Activity (CIDAF) Faculty of Sport Science and Physical Education, FCDEF-UC), University of Coimbra, Coimbra, Portugal
| | - John G Jones
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Piero Portincasa
- Department of Biomedical Sciences & Human Oncology, University of Bari Medical School, Clinica Medica "A. Murri", Bari, Italy
| | - Ana Vieira-Pedrosa
- Research Unit for Sport and Physical Activity (CIDAF) Faculty of Sport Science and Physical Education, FCDEF-UC), University of Coimbra, Coimbra, Portugal
| | - Ana Maria Teixeira
- Research Unit for Sport and Physical Activity (CIDAF) Faculty of Sport Science and Physical Education, FCDEF-UC), University of Coimbra, Coimbra, Portugal
| | - Marcelo Paes Barros
- Institute of Physical Activity Sciences and Sports (ICAFE), Interdisciplinary Program in Health Sciences, Cruzeiro do Sul University, São Paulo, Brazil
| | - André Luís Lacerda Bachi
- Brazilian Institute of Teaching and Research in Pulmonary and Exercise Immunology, São Paulo, Brazil.,Department of Otorhinolaryngology, ENT Lab, Federal University of São Paulo (UNIFESP), São Paulo, Brazil.,Post-Graduation Program in Health Sciences, Santo Amaro University (UNISA), São Paulo, Brazil
| | - Vilma A Sardão
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.,Faculty of Sport Science and Physical Education, University of Coimbra, Coimbra, Portugal
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Choi HG, Koh YS, Lee SW. Increased risk of coronary heart disease with hysterectomy in young women: A longitudinal follow-up study using a national health screening cohort. Maturitas 2022; 157:49-56. [DOI: 10.1016/j.maturitas.2021.10.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/03/2021] [Accepted: 10/21/2021] [Indexed: 01/08/2023]
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126
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Dumolt JH, Patel MS, Rideout TC. Gestational hypercholesterolemia programs hepatic steatosis in a sex-specific manner in ApoE-deficient mice. J Nutr Biochem 2022; 101:108945. [PMID: 35016999 DOI: 10.1016/j.jnutbio.2022.108945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 10/23/2021] [Accepted: 12/07/2021] [Indexed: 02/07/2023]
Abstract
Maternal hypercholesterolemia (MHC), a pathological condition characterized by an exaggerated rise in maternal serum cholesterol during pregnancy, may influence offspring hepatic lipid metabolism and increase the risk of nonalcoholic fatty liver disease (NAFLD). As NAFLD is characterized by a sexual dimorphic response, we assessed whether early-life exposure to excessive cholesterol influences the development of NAFLD in offspring and whether this occurs in a sex-specific manner. Female apoE-/- mice were randomly assigned to a control (CON) or a high cholesterol (CH; 0.15%) diet prior to breeding. At parturition, a cross-fostering approach was used to establish three groups: (1) normal cholesterol exposure throughout gestation and lactation (CON-CON); (2) excessive cholesterol exposure throughout gestation and lactation (CH-CH); and (3) excessive cholesterol exposure in the gestation period only (CH-CON). Adult male offspring (PND 84) exposed to excessive cholesterol during gestation only (CH-CON) demonstrated hepatic triglyceride (TG) accumulation and reduced lipogenic gene expression. However, male mice with a prolonged cholesterol exposure throughout gestation and lactation (CH-CH) had a similar, but not exacerbated hepatic response. Further, with the exception of higher serum TG in adult CH-CH females, evidence for a programming effect in female offspring was largely absent in comparison with males. These results indicate a sexual dimorphic response with respect to the effect of MHC on later life hepatic steatosis and highlight the gestation period as the most influential malprogramming window for hepatic lipid dysfunction in males.
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Affiliation(s)
- Jerad H Dumolt
- Department of Exercise and Nutrition Sciences, School of Public Health and Health Professions, University of Buffalo, Buffalo, NY, USA; Division of Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Mulchand S Patel
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, University of Buffalo, Buffalo, NY, USA
| | - Todd C Rideout
- Department of Exercise and Nutrition Sciences, School of Public Health and Health Professions, University of Buffalo, Buffalo, NY, USA.
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127
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Martin-Grau M, Marrachelli VG, Monleon D. Rodent models and metabolomics in non-alcoholic fatty liver disease: What can we learn? World J Hepatol 2022; 14:304-318. [PMID: 35317178 PMCID: PMC8891675 DOI: 10.4254/wjh.v14.i2.304] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/13/2021] [Accepted: 01/29/2022] [Indexed: 02/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) prevalence has increased drastically in recent decades, affecting up to 25% of the world’s population. NAFLD is a spectrum of different diseases that starts with asymptomatic steatosis and continues with development of an inflammatory response called steatohepatitis, which can progress to fibrosis. Several molecular and metabolic changes are required for the hepatocyte to finally vary its function; hence a “multiple hit” hypothesis seems a more accurate proposal. Previous studies and current knowledge suggest that in most cases, NAFLD initiates and progresses through most of nine hallmarks of the disease, although the triggers and mechanisms for these can vary widely. The use of animal models remains crucial for understanding the disease and for developing tools based on biological knowledge. Among certain requirements to be met, a good model must imitate certain aspects of the human NAFLD disorder, be reliable and reproducible, have low mortality, and be compatible with a simple and feasible method. Metabolism studies in these models provides a direct reflection of the workings of the cell and may be a useful approach to better understand the initiation and progression of the disease. Metabolomics seems a valid tool for studying metabolic pathways and crosstalk between organs affected in animal models of NAFLD and for the discovery and validation of relevant biomarkers with biological understanding. In this review, we provide a brief introduction to NAFLD hallmarks, the five groups of animal models available for studying NAFLD and the potential role of metabolomics in the study of experimental NAFLD.
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Affiliation(s)
- Maria Martin-Grau
- Department of Pathology, University of Valencia, Valencia 46010, Spain
| | - Vannina G Marrachelli
- Department of Physiology, University of Valencia, Valencia 46010, Spain
- Health Research Institute INCLIVA, Valencia 46010, Spain
| | - Daniel Monleon
- Department of Pathology, University of Valencia, Valencia 46010, Spain
- Health Research Institute INCLIVA, Valencia 46010, Spain
- CIBER de Fragilidad y Envejecimiento Saludable (CIBERfes), Madrid 28029, Spain
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128
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Chen XY, Wang C, Huang YZ, Zhang LL. Nonalcoholic fatty liver disease shows significant sex dimorphism. World J Clin Cases 2022; 10:1457-1472. [PMID: 35211584 PMCID: PMC8855265 DOI: 10.12998/wjcc.v10.i5.1457] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/02/2021] [Accepted: 12/31/2021] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD), which has been renamed metabolic dysfunction-associated fatty liver disease, is a growing global medical problem. The incidence of NAFLD and its associated end-stage liver disease is increasing each year, and many research advancements have been achieved to date. This review focuses on the current knowledge of the sex differences in NAFLD and does not elaborate on areas without differences. Studies have revealed significant sex differences in the prevalence, influencing factors, pathophysiology, complications and therapies of NAFLD. Men have a higher incidence than women. Compared with women, men exhibit increased visceral fat deposition, are more susceptible to leptin resistance, lack estrogen receptors, and tend to synthesize fatty acids into fat storage. Male patients will experience more severe hepatic fibrosis and a higher incidence of liver cancer. However, once NAFLD occurs, women show a faster progression of liver fibrosis, higher levels of liver cell damage and inflammation and are less likely to undergo liver transplantation than men. In general, men have more risk factors and more severe pathophysiological reactions than women, whereas the development of NAFLD is faster in women, and the treatments for women are more limited than those for men. Thus, whether sex differences should be considered in the individualized prevention and treatment of NAFLD in the future is worth considering.
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Affiliation(s)
- Xing-Yu Chen
- The Second Affiliated Hospital, Chongqing Medical University, Chongqing 404100, China
| | - Cong Wang
- The Second Affiliated Hospital, Chongqing Medical University, Chongqing 404100, China
| | - Yi-Zhou Huang
- The Second Affiliated Hospital, Chongqing Medical University, Chongqing 404100, China
| | - Li-Li Zhang
- The Second Affiliated Hospital, Chongqing Medical University, Chongqing 404100, China
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129
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Vidimce J, Pillay J, Ronda O, Boon A, Pennell E, Ashton KJ, Dijk TH, Wagner K, Verkade HJ, Bulmer AC. Sexual Dimorphism: increased sterol excretion leads to hypocholesterolaemia in female hyperbilirubinaemic Gunn rats. J Physiol 2022; 600:1889-1911. [PMID: 35156712 PMCID: PMC9310728 DOI: 10.1113/jp282395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 02/02/2022] [Indexed: 11/08/2022] Open
Abstract
Abstract Circulating bilirubin is associated with reduced serum cholesterol concentrations in humans and in hyperbilirubinaemic Gunn rats. However, mechanisms contributing to hypocholesterolaemia remain unknown. Therefore, this study aimed to investigate cholesterol synthesis, transport and excretion in mutant Gunn rats. Adult Gunn and control rats were assessed for daily faecal sterol excretion using metabolic cages, and water was supplemented with [1‐13C]‐acetate to determine cholesterol synthesis. Bile was collected to measure biliary lipid secretion. Serum and liver were collected for biochemical analysis and for gene/protein expression using RT‐qPCR and western blot, respectively. Additionally, serum was collected and analysed from juvenile rats. A significant interaction of sex, age and phenotype on circulating lipids was found with adult female Gunn rats reporting significantly lower cholesterol and phospholipids. Female Gunn rats also demonstrated elevated cholesterol synthesis, greater biliary lipid secretion and increased total faecal cholesterol and bile acid excretion. Furthermore, they possessed increased hepatic low‐density lipoprotein (LDL) receptor and SREBP2 expression. In contrast, there were no changes to sterol metabolism in adult male Gunn rats. This is the first study to demonstrate elevated faecal sterol excretion in female hyperbilirubinaemic Gunn rats. Increased sterol excretion creates a negative intestinal sterol balance that is compensated for by increased cholesterol synthesis and LDL receptor expression. Therefore, reduced circulating cholesterol is potentially caused by increased hepatic uptake via the LDL receptor. Future studies are required to further evaluate the sexual dimorphism of this response and whether similar findings occur in females with benign unconjugated hyperbilirubinaemia (Gilbert's syndrome). Key points Female adult hyperbilirubinaemic (Gunn) rats demonstrated lower circulating cholesterol, corroborating human studies that report a negative association between bilirubin and cholesterol concentrations. Furthermore, female Gunn rats had elevated sterol excretion creating a negative intestinal sterol balance that was compensated for by elevated cholesterol synthesis and increased hepatic low‐density lipoprotein (LDL) receptor expression. Therefore, elevated LDL receptor expression potentially leads to reduced circulating cholesterol levels in female Gunn rats providing an explanation for the hypocholesterolaemia observed in humans with elevated bilirubin levels. This study also reports a novel interaction of sex with the hyperbilirubinaemic phenotype on sterol metabolism because changes were only reported in females and not in male Gunn rats. Future studies are required to further evaluate the sexual dimorphism of this response and whether similar findings occur in females with benign unconjugated hyperbilirubinaemia (Gilbert's syndrome).
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Affiliation(s)
- Josif Vidimce
- School of Pharmacy and Medical Sciences Griffith University Gold Coast Queensland Australia
| | - Johara Pillay
- School of Pharmacy and Medical Sciences Griffith University Gold Coast Queensland Australia
| | - Onne Ronda
- Pediatric Gastroenterology/Hepatology Dept. Pediatrics University of Groningen, University Medical Center Groningen Groningen The Netherlands
| | - Ai‐Ching Boon
- School of Pharmacy and Medical Sciences Griffith University Gold Coast Queensland Australia
| | - Evan Pennell
- School of Pharmacy and Medical Sciences Griffith University Gold Coast Queensland Australia
| | - Kevin J. Ashton
- Faculty of Health Science and Medicine Bond University Gold Coast Australia
| | - Theo H. Dijk
- University of Groningen, University Medical Center Groningen Department of Laboratory Medicine Groningen The Netherlands
| | - Karl‐Heinz Wagner
- Department of Nutritional Sciences and Research Platform Active Ageing University of Vienna Vienna Austria
| | - Henkjan J. Verkade
- Pediatric Gastroenterology/Hepatology Dept. Pediatrics University of Groningen, University Medical Center Groningen Groningen The Netherlands
| | - Andrew C. Bulmer
- School of Pharmacy and Medical Sciences Griffith University Gold Coast Queensland Australia
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Tindall AM, Stallings VA. Sex differences in cardiovascular risk may be related to sex differences in diet patterns: a narrative review. Ann Hum Biol 2022; 48:517-524. [PMID: 35105204 DOI: 10.1080/03014460.2021.1998621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
CONTEXT Cardiovascular disease (CVD) is the leading cause of death in the United States and globally. The social and biological differences in diet patterns among men and women may play a role in their differential cardiovascular risk. OBJECTIVE To describe the dietary patterns associated with CVD risk and investigate the differences in diet patterns between men and women, if these differences affect cardiovascular risk, and to explore potential mechanisms of action. METHODS Diet patterns associated with CVD risk were described based on epidemiological and experimental trials. Observational and experimental studies together with systematic and non-systematic reviews were synthesised to examine sex differences in diet and cardiovascular risk factors. RESULTS Differences in vasculature and body composition between sexes may be mediated by dissimilarities in adherence to diet patterns and nutrient metabolism. Salt sensitivity and breakdown and storage of lipids may account for some differences in CVD risk between men and women. Sex differences in social norms, cognitive processing, and odour perception may be affected by biological differences and contribute to differences in cardiovascular risk and dietary patterns. CONCLUSION The relation between diet patterns and cardiovascular risk is well-established and sex differences in diet patterns likely differentially affect CVD risk between men and women.
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Affiliation(s)
- A M Tindall
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - V A Stallings
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
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131
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Modelling Female Physiology from Head to Toe: Impact of Sex Hormones, Menstrual Cycle, and Pregnancy. J Theor Biol 2022; 540:111074. [DOI: 10.1016/j.jtbi.2022.111074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 12/14/2022]
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132
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Zhu L, An J, Chinnarasu S, Luu T, Pettway YD, Fahey K, Litts B, Kim HYH, Flynn CR, Linton MF, Stafford JM. Expressing the Human Cholesteryl Ester Transfer Protein Minigene Improves Diet-Induced Fatty Liver and Insulin Resistance in Female Mice. Front Physiol 2022; 12:799096. [PMID: 35082691 PMCID: PMC8784660 DOI: 10.3389/fphys.2021.799096] [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: 10/22/2021] [Accepted: 12/16/2021] [Indexed: 01/22/2023] Open
Abstract
Mounting evidence has shown that CETP has important physiological roles in adapting to chronic nutrient excess, specifically, to protect against diet-induced insulin resistance. However, the underlying mechanisms for the protective roles of CETP in metabolism are not yet clear. Mice naturally lack CETP expression. We used transgenic mice with a human CETP minigene (huCETP) controlled by its natural flanking region to further understand CETP-related physiology in response to obesity. Female huCETP mice and their wild-type littermates were fed a high-fat diet for 6 months. Blood lipid profile and liver lipid metabolism were studied. Insulin sensitivity was analyzed with euglycemic-hyperinsulinemic clamp studies combined with 3H-glucose tracer techniques. While high-fat diet feeding induced obesity for huCETP mice and their wild-type littermates lacking CETP expression, insulin sensitivity was higher for female huCETP mice than for their wild-type littermates. There was no difference in insulin sensitivity for male huCETP mice vs. littermates. The increased insulin sensitivity in females was largely caused by the better insulin-mediated suppression of hepatic glucose production. In huCETP females, CETP in the circulation decreased HDL-cholesterol content and increased liver cholesterol uptake and liver cholesterol and oxysterol contents, which was associated with the upregulation of LXR target genes in long-chain polyunsaturated fatty acid biosynthesis and PPARα target genes in fatty acid β-oxidation in the liver. The upregulated fatty acid β-oxidation may account for the improved fatty liver and liver insulin action in female huCETP mice. This study provides further evidence that CETP has beneficial physiological roles in the metabolic adaptation to nutrient excess by promoting liver fatty acid oxidation and hepatic insulin sensitivity, particularly for females.
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Affiliation(s)
- Lin Zhu
- VA Tennessee Valley Healthcare System, Nashville, TN, United States.,Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Julia An
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Sivaprakasam Chinnarasu
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Thao Luu
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Yasminye D Pettway
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Kelly Fahey
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Bridget Litts
- Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Hye-Young H Kim
- Department of Chemistry, Vanderbilt University, Nashville, TN, United States
| | - Charles R Flynn
- Section of Surgical Sciences, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - MacRae F Linton
- Atherosclerosis Research Unit, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - John M Stafford
- VA Tennessee Valley Healthcare System, Nashville, TN, United States.,Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University School of Medicine, Nashville, TN, United States.,Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, United States
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Liu Z, Li Y, Li X, Cheng F, Zhao Y, Hu H. Cross-sectional analysis of gonadal hormone expression and relevant factors in female centenarians in Hainan, China. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2022; 47:45-51. [PMID: 35545362 PMCID: PMC10930479 DOI: 10.11817/j.issn.1672-7347.2022.210079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Gonadal hormone is essential for the health of postmenopausal women, however, few studies have focused on the epidemiological distribution of gonadal hormones in postmenopausal women in very late postmenopausal women. This study aims to investigate and analyze the differences of serum gonadal hormone content and its influential factors among female centenarians in Hainan, China. METHODS The questionnaire and physical examination data of 741 female centenarians and 401 elderly females in Hainan Province were collected, and venous blood samples were taken to detect the indexes of lipid metabolism, bone metabolism, and gonadal hormone. The differences of gonadal hormones and relavant factors in female centenarians were analyzed and compared. RESULTS The serum levels of estradiol and progesterone of female centenarians were significantly higher than those of the elderly females (both P<0.001). The serum levels of estradiol and testosterone of ethnic minority centenarians were higher than those in Han nationality (P<0.001), and the serum estradiol and testosterone concentrations were relatively higher when the daily activities were more than 10 min (both P<0.05). Serum estradiol concentration was negatively correlated with apolipoprotein A-I, high density lipoprotein, triglyceride and bone formation markers such as calcium, inorganic phosphorus and vitamin D3, and was positively correlated with the special sequence of β-collagen (markers of bone resorption) (all P<0.01). CONCLUSIONS For the extremely late postmenopausal women (such as centenarians), there may be characteristic expressions of gonadal hormones, especially estradiol. There is an unprotective correlation of serum estradiol with lipid metabolism index and bone metabolism index in female centenarians, so it is necessary to evaluate the estrogen content and the use of estrogen therapy in postmenopausal women.
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Affiliation(s)
- Zhaoyu Liu
- Clinical Laboratory, Hainan Branch of PLA General Hospital, Sanya Hainan 572013.
| | - Yan Li
- Department of Blood Transfusion, Hainan Branch of PLA General Hospital, Sanya Hainan 572013
| | - Xuewu Li
- Clinical Laboratory, Hainan Branch of PLA General Hospital, Sanya Hainan 572013
| | - Fei Cheng
- Clinical Laboratory, Hainan Branch of PLA General Hospital, Sanya Hainan 572013
| | - Yali Zhao
- Central Laboratory, Hainan Branch of PLA General Hospital, Sanya Hainan 572013, China.
| | - Hongyan Hu
- Clinical Laboratory, Hainan Branch of PLA General Hospital, Sanya Hainan 572013
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Zhao H, Wang Q, Hu L, Xing S, Gong H, Liu Z, Qin P, Xu J, Du J, Ai W, Peng S, Li Y. Dynamic Alteration of the Gut Microbiota Associated with Obesity and Intestinal Inflammation in Ovariectomy C57BL/6 Mice. Int J Endocrinol 2022; 2022:6600158. [PMID: 35103060 PMCID: PMC8800624 DOI: 10.1155/2022/6600158] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 01/04/2022] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Estrogen is a critical hormone that is mainly produced by the ovary in females. Estrogen deficiency leads to various syndromes and diseases, partly due to gut microbiota alterations. Previous studies have shown that estrogen deficiency affects the gut microbiota at 6-8 weeks after ovariectomy, but the immediate effect of estrogen deficiency on the gut microbiota remains poorly understood. METHODS To investigate the short time and dynamic effects of decreased estrogen levels on the gut microbiota and their potential impact on estrogen deficiency-related diseases, we performed metagenomic sequencing of 260 fecal samples from 50 ovariectomy (OVX) and 15 control C57BL/6 female mice at four time points after surgery. RESULTS We found that seven gut microbiota species, including E. coli, Parabacteroides unclassified, Lachnospiraceae bacterium 8_1_57FAA, Bacteroides uniformis, Veillonella unclassified, Bacteroides xylanisolvens, and Firmicutes bacterium M10_2, were abundant in OVX mice. The abundance of these species increased with time after OVX surgery. The relative abundance of the opportunistic pathogen E. coli and the Crohn's disease-related Veillonella spp. was significantly correlated with mouse weight gain in the OVX group. Butyrate production and the Entner-Doudoroff pathway were significantly enriched in the control mouse group, while the degradation of glutamic acid and aspartic acid was enriched in the OVX mouse group. As the time after OVX surgery increased, the bacterial species and metabolic pathways significantly changed and tended to suggest an inflammatory environment, indicating a subhealthy state of the gut microbiota in the OVX mouse group. CONCLUSIONS Taken together, our results show that the dynamic gut microbiota profile alteration caused by estrogen deficiency is related to obesity and inflammation, which may lead to immune and metabolic disorders. This study provides new clues for the treatment of estrogen deficiency-related diseases.
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Affiliation(s)
- Hui Zhao
- Department of Clinical Laboratory, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
| | - Qi Wang
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou 730010, Gansu, China
| | - Liqiu Hu
- Department of Spine Surgery, Shenzhen People's Hospital, Jinan University Second College of Medicine, Shenzhen 518020, China
| | - Shaojun Xing
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathogen Biology, Shenzhen University Health Science Center, Shenzhen 518060, China
| | - Hui Gong
- Department of Clinical Laboratory, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
| | - Zhe Liu
- Department of Computer Sciences, City University of Hong Kong, Hong Kong 999077, China
| | - Panpan Qin
- Qingdao-Europe Advanced Institute for Life Sciences, BGI-Shenzhen, Qingdao 266555, China
- Shenzhen Key Laboratory of Human Commensal Microorganisms and Health Research, BGI-Shenzhen, Shenzhen 518083, Guangdong, China
| | - Jie Xu
- Cuiying Biomedical Research Center, Lanzhou University Second Hospital, Lanzhou 730010, Gansu, China
| | - Jihui Du
- Department of Clinical Laboratory, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
| | - Wen Ai
- Medical Research Center of Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518102, China
| | - Songlin Peng
- Department of Spine Surgery, Shenzhen People's Hospital, Jinan University Second College of Medicine, Shenzhen 518020, China
| | - Yifan Li
- Department of Clinical Laboratory, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China
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Ibata T, Lyu J, Imachi H, Fukunaga K, Sato S, Kobayashi T, Saheki T, Yoshimura T, Murao K. Effects of 2-Methoxyestradiol, a Main Metabolite of Estradiol on Hepatic ABCA1 Expression in HepG2 Cells. Nutrients 2022; 14:nu14020288. [PMID: 35057469 PMCID: PMC8779252 DOI: 10.3390/nu14020288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 02/04/2023] Open
Abstract
ATP-binding cassette transporter A1 (ABCA1) is a key regulator of lipid efflux, and the absence of ABCA1 induces hepatic lipid accumulation, which is one of the major causes of fatty liver. 2-Methoxyestradiol (2-ME2) has been demonstrated to protect against fatty liver. In this study, we investigated the effects of 2-ME2 on the hepatic lipid content and ABCA1 expression. We found that 2-ME2 dose-dependently increased ABCA1 expression, and therefore, the lipid content was significantly decreased in HepG2 cells. 2-ME2 enhanced the ABCA1 promoter activity; however, this effect was reduced after the inhibition of the PI3K pathway. The overexpression of Akt or p110 induced ABCA1 promoter activity, while dominant-negative Akt diminished the ability of 2-ME2 on ABCA1 promoter activity. Further, 2-ME2 stimulated the rapid phosphorylation of Akt and FoxO1 and reduced the nuclear accumulation of FoxO1. Chromatin immunoprecipitation confirmed that FoxO1 bonded to the ABCA1 promoter region. The binding was reduced by 2-ME2, which facilitated ABCA1 gene transcription. Furthermore, mutating FoxO1-binding sites in the ABCA1 promoter region or treatment with FoxO1-specific siRNA disrupted the effect of 2-ME2 on ABCA1 expression. All of our results demonstrated that 2-ME2 might upregulate ABCA1 expression via the PI3K/Akt/FoxO1 pathway, which thus reduces the lipid content in hepatocytes.
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Affiliation(s)
- Tomohiro Ibata
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Jingya Lyu
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
- Department of Physiology, School of Medicine, Jinan University, 601 Huangpu Avenue West, Tianhe District, Guangzhou 510632, China
| | - Hitomi Imachi
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Kensaku Fukunaga
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Seisuke Sato
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Toshihiro Kobayashi
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Takanobu Saheki
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Takafumi Yoshimura
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
| | - Koji Murao
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho 761-0793, Kagawa, Japan; (T.I.); (J.L.); (H.I.); (K.F.); (S.S.); (T.K.); (T.S.); (T.Y.)
- Correspondence:
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Meng Q, Ma M, Zhang W, Bi Y, Cheng P, Yu X, Fu Y, Chao Y, Ji T, Li J, Chen Q, Zhang Q, Li Y, Shan J, Bian H. The gut microbiota during the progression of atherosclerosis in the perimenopausal period shows specific compositional changes and significant correlations with circulating lipid metabolites. Gut Microbes 2022; 13:1-27. [PMID: 33691599 PMCID: PMC7954427 DOI: 10.1080/19490976.2021.1880220] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Atherosclerosis (AS) is exacerbated in the perimenopausal period, which significantly increases the incidence rate of cardiovascular disease. The disruption of the gut microbiota has been associated with AS or menopause, but the specific changes of AS-associated gut microbiota in the perimenopausal period remain largely unknown. As lipid abnormalities are mainly responsible for AS, the relationship between lipid metabolism abnormalities and gut microbiota disruptions during menopause is rarely reported hitherto. In the present study, ApoE-/- mice fed with a high-fat diet (HFD) were subjected to ovariectomy and supplemented with estrogen. The ovariectomized HFD-fed ApoE-/- mice underwent significant AS damage, hepatic lipid damage, hyperlipidemia, and changes of lipid metabolism- and transport-related enzymes. There was significantly higher abundance of some lipid metabolites in the plasma of ovariectomized HFD-fed ApoE-/- mice than in non-ovariectomized ones, including cholesterol esters, triglycerides, phospholipids, and other types of lipids (free fatty acids, acylcarnitine, sphingomyelins, and ceramides). The administration of estrogen significantly reduced the contents of most lipid metabolites. The diversity and composition of gut microbiota evidently changed in ovariectomized HFD-fed ApoE-/- mice, compared to HFD-fed ApoE-/- mice without ovariectomy. In contrast, with estrogen supplementation, the diversity and composition of gut microbiota were restored to approach that of non-ovariectomized HFD-fed ApoE-/- mice, and the relative abundances of some bacteria were even like those of C57BL/6 mice fed with a normal diet. On the other hand, the transplantation of feces from C57BL/6 mice fed with normal diet to ovariectomized HFD-fed ApoE-/- mice was sufficient to correct the hyperlipidemia and AS damage, and to reverse the characteristics changing of lipid metabolomics in ovariectomized HFD-fed ApoE-/- mice. These phenomena were also been observed after transplantation of feces from estrogen-treated ovariectomized HFD-fed ApoE-/- mice to ovariectomized HFD-fed ApoE-/- mice. Moreover, the gut microbiota and lipid metabolites were significantly correlated, demonstrating that the changes of serum lipids may be associated with the gut microbiota disruptions in the perimenopausal period. In conclusion, the gut microbiota during the progression of AS in the perimenopausal period showed specific compositional changes and significant correlations with circulating lipid metabolites. Estrogen supplementation may exert beneficial effects on gut bacteria and lipid metabolism.
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Affiliation(s)
- Qinghai Meng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Menghua Ma
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Weiwei Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yunhui Bi
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Peng Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xichao Yu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yu Fu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ying Chao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Tingting Ji
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jun Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qi Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qichun Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China,Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yu Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China,School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jinjun Shan
- First School of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huimin Bian
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China,Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China,CONTACT Huimin Bian School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing320561, China; Jinjun Shan First School of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023 China
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Chronic exposure to nonylphenol induces oxidative stress and liver damage in male zebrafish (Danio rerio): Mechanistic insight into cellular energy sensors, lipid accumulation and immune modulation. Chem Biol Interact 2022; 351:109762. [PMID: 34843692 DOI: 10.1016/j.cbi.2021.109762] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/06/2021] [Accepted: 11/25/2021] [Indexed: 02/07/2023]
Abstract
Nonylphenol (NP), an environmentally persistent and toxic endocrine-disrupting chemical with estrogenic properties, has severe implications on humans and wildlife. Accumulating evidence demonstrates the toxic response of NP on the developmental process, nervous system, and reproductive parameters. Although NP exposure has been implicated in chronic liver injury, the underlying events associated with hepatic pathophysiology remain less investigated. Using male zebrafish (Danio rerio) as the model, the present study investigates the impact of environmentally relevant concentrations of NP (50 and 100 μg/L, 21 days) on hepatic redox homeostasis vis-à-vis cellular energy sensors, inflammatory response, and cell death involving a mechanistic insight into estrogen receptor (ER) modulation. Our results demonstrate that congruent with significant alteration in transcript abundance of antioxidant enzymes (SOD1, SOD2, Catalase, GPx1a, GSTα1), chronic exposure to NP promotes ROS synthesis, more specifically superoxide anions and H2O2 levels, and lipid peroxidation potentially through elevated NOX4 expression. Importantly, NP perturbation of markers associated with fatty acid biosynthesis (srebf1/fasn) and cellular energy-sensing network (sirt1/ampkα/pgc1α) indicates dysregulated energy homeostasis, metabolic disruption, and macrovesicular steatosis, albeit with differential sensitivity at the dose level tested. Besides, elevated p38-MAPK phosphorylation (activation) together with loss of ER homeostasis at both mRNA (esr1, esr2a, esr2b) and protein (ERα, ERβ) levels suggest that NP modulation of ER abundance may have a significant influence on hepatic events. Elevated expression of inflammatory markers (TLR4, p-NF-κB, TNF-α, IL-6, IL-1β, and NOS2) and pro-apoptotic and necrotic regulators, e.g., Bax, caspase- 8, -9 and cleaved PARP1 (50 kDa), indicate chronic inflammation and hepatotoxicity in NP-exposed males. Collectively, elevated oxidative stress, metabolic dysregulation and immune modulation may lead to chronic liver injury in organisms exposed to metabolic disrupting chemicals.
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Ahmed E, Elmaghraby D, Salem F. Persea americana attenuates inflammatory response associated with hyperlipidemia in ovariectomized and irradiated rats by regulating MMP-3/TIMP-1 levels. Asian Pac J Trop Biomed 2022. [DOI: 10.4103/2221-1691.354428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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139
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Wang Y, Wang Y. Accelerated Ovarian Aging Among Type 2 Diabetes Patients and Its Association With Adverse Lipid Profile. Front Endocrinol (Lausanne) 2022; 13:780979. [PMID: 35432199 PMCID: PMC9005646 DOI: 10.3389/fendo.2022.780979] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 02/24/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The impact of diabetes on reproductive function is still not clearly defined. This study aimed to evaluate accelerated ovarian aging in women with type 2 diabetes mellitus (T2DM) and its association with adverse lipid profile. METHODS Female patients with T2DM (n=964) and non-T2DM controls (n=263) aging from 18-80 years were included. Levels of circulating sex hormones were measured at the follicular phase in menstruating women. We analyzed the age-specific trends in the levels of sex hormones between T2DM and controls. The correlations of sex hormones with the lipid profile, including low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), total cholesterol (TC) and triglycerides (TG) were also evaluated. RESULTS In the temporal trends analysis, LH and FSH both started to increase obviously approximately from the age of 45 years among patients with T2DM, and displayed peaks of LH and FSH among patients with T2DM aged between 61 and 65, both of which were obviously earlier than that in non-T2DM controls and proved the accelerated ovarian aging among patients with T2DM. E2 of patients with T2DM was continuous lower than that of non-T2DM controls from approximately 45 years old, and LH and FSH of patients with T2DM were higher than those of non-T2DM controls between the age of 55 to 65 years. Multiple linear regression analyses revealed that LH was positively correlated with LDL-C (Coefficient=0.156, P=0.001) and TC (Coefficient=0.134, P=0.025), and was negatively correlated with HDL-C (Coefficient =-0.065, P=0.001) in patients with T2DM aged between 51 and 60, which was independent of age, T2DM duration, body mass index (BMI), glycosylated hemoglobin (HbA1c), FSH, E2 and other potential confounders. Higher E2 level was significantly and independently correlated with lower LDL-C (Coefficient= -0.064, P=0.033) in patients with T2DM aged between 51 and 60. CONCLUSIONS This study suggests that patients with T2DM have accelerated ovarian aging, and it is correlated with the occurrence of disturbed lipid profile in patients with T2DM. With an ever increasing number of female patients with T2DM diagnosed at younger ages, the accelerated ovarian aging and its adverse impacts in T2DM need to be carefully managed.
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Affiliation(s)
- Yahao Wang
- Affiliated Hospital of Qingdao University, Qingdao, China
- Huashan Hospital, Fudan University, Shanghai, China
| | - Yangang Wang
- Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Yangang Wang,
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140
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Pool KR, Chazal F, Smith JT, Blache D. Estrogenic Pastures: A Source of Endocrine Disruption in Sheep Reproduction. Front Endocrinol (Lausanne) 2022; 13:880861. [PMID: 35574027 PMCID: PMC9097266 DOI: 10.3389/fendo.2022.880861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/25/2022] [Indexed: 11/13/2022] Open
Abstract
Phytoestrogens can impact on reproductive health due to their structural similarity to estradiol. Initially identified in sheep consuming estrogenic pasture, phytoestrogens are known to influence reproductive capacity in numerous species. Estrogenic pastures continue to persist in sheep production systems, yet there has been little headway in our understanding of the underlying mechanisms that link phytoestrogens with compromised reproduction in sheep. Here we review the known and postulated actions of phytoestrogens on reproduction, with particular focus on competitive binding with nuclear and non-nuclear estrogen receptors, modifications to the epigenome, and the downstream impacts on normal physiological function. The review examines the evidence that phytoestrogens cause reproductive dysfunction in both the sexes, and that outcomes depend on the developmental period when an individual is exposed to phytoestrogen.
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Association between long working hours and liver enzymes: evidence from the Korea National Health and Nutrition Examination Survey, 2007–2017. Ann Occup Environ Med 2022; 34:e9. [PMID: 35801225 PMCID: PMC9209099 DOI: 10.35371/aoem.2022.34.e9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/20/2022] Open
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142
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Zhang S, Huang YP, Li J, Wang WH, Zhang MY, Wang XC, Lin JN, Li CJ. The Visceral-Fat-Area-to-Hip-Circumference Ratio as a Predictor for Insulin Resistance in a Chinese Population with Type 2 Diabetes. Obes Facts 2022; 15:621-628. [PMID: 35724630 PMCID: PMC9421683 DOI: 10.1159/000525545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 03/03/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Adipose tissue deposited on the viscera is the main culprit in the development of insulin resistance (IR) and cardiometabolic diseases, whereas subcutaneous adipose tissue may have a protective role. This study aimed to propose a new predictive index - the visceral-fat area (VFA)-to-hip-circumference ratio (VHR) and explore its efficacy for prediction of IR in a Chinese population with type 2 diabetes mellitus. METHODS A total of 643 patients with newly diagnosed diabetes were enrolled in this study. Body composition, anthropometrical, and biochemical measurements were performed. IR was defined as homeostatic model assessment of IR (HOMA-IR) > 2.69. The association between VHR and IR was analyzed. RESULTS Regardless of gender, subjects in the IR group had higher VHR, body mass index (BMI), VFA, body fat percentage, systolic blood pressure, diastolic blood pressure (DBP), fasting blood glucose, fasting insulin, triglyceride (TG), uric acid (UA), homocysteine, and aminotransferases than those in the non-IR group. The other concomitant metabolic disorders were more common in the IR group. Further analysis showed that with the increase of VHR, the levels of HOMA-IR, BMI, VFA, DBP, TG, UA and the prevalence of nonalcoholic fatty-liver disease, hypertension, and hyperuricemia increased continuously (p trend <0.01). The linear trend test showed that VHR and IR remained closely correlated after adjusting for possible confounders (p trend <0.05). The receiver operating characteristic curve analysis showed that the area under the curve was 0.69, and the optimal cutoff of VHR was 0.89 (sensitivity 79.3%, specificity 61.5%). CONCLUSION VHR was positively associated with IR regardless of gender, and it might be a reliable predictor for IR.
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Affiliation(s)
- Shi Zhang
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China,
| | - Ya-Ping Huang
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
- Tianjin Medical University, Tianjin, China
| | - Jing Li
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
| | - Wen-Hong Wang
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
| | | | - Xin-Cheng Wang
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
| | - Jing-Na Lin
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
| | - Chun-Jun Li
- Department of Endocrinology, Health Management Center, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Tianjin, China
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Ma Y, Chen G, Yi J, Li Q, Tan Z, Fan W, Luo X, He Z, Si Z, Li J. IRX3 plays an important role in the pathogenesis of metabolic-associated fatty liver disease by regulating hepatic lipid metabolism. Front Endocrinol (Lausanne) 2022; 13:895593. [PMID: 35957832 PMCID: PMC9360787 DOI: 10.3389/fendo.2022.895593] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 07/01/2022] [Indexed: 12/13/2022] Open
Abstract
Metabolic-associated fatty liver disease (MAFLD) affects approximately a quarter of the global population. Identification of the key genes and pathways involved in hepatic lipid metabolism is of the utmost importance for the diagnosis, treatment, and prevention of MAFLD. In this study, differentially expressed genes were identified through whole-genome transcriptional analysis of liver tissue from MAFLD patients and healthy controls, and a series of lipid metabolism-related molecules and pathways were obtained through pathway analysis. Subsequently, we focused on Iroquois homeobox protein 3 (IRX3), one of 13 transcription factors that were screened from the 331 differentially expressed genes. The transcription factor IRX3 was significantly decreased in the liver tissue of patients with MAFLD when compared with healthy controls. Pearson's correlation analysis showed that the expression levels of IRX3 in liver tissue were negatively correlated with serum total cholesterol, triglycerides, low-density lipoprotein cholesterol, and uric acid levels. The overexpression and interference of IRX3 induced the increased and decreased lipid droplet accumulation in vitro, respectively. Moreover, interference of IRX3 expression increased mitochondrial fragmentation and reduced the activity of the mitochondrial respiratory chain complex IV. In summary, the study demonstrated that IRX3 regulated hepatic lipid metabolism of MAFLD, and also revealed the effect of IRX3 on mitochondria might be an important mechanism by which IRX3 regulated hepatic lipid metabolism of MAFLD.
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Affiliation(s)
- Yongqiang Ma
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Guangshun Chen
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
- Transplant Medical Research Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Junfang Yi
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Qiang Li
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
- Transplant Medical Research Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhi Tan
- Department of Gastroenterology, The First Hospital of Changsha, Changsha, China
| | - Wenling Fan
- Department of Gastroenterology, The First Hospital of Changsha, Changsha, China
| | - Xiaohua Luo
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhiyong He
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhongzhou Si
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
- Transplant Medical Research Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jiequn Li
- Department of Liver Transplant, The Second Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital of Central South University, Changsha, China
- Transplant Medical Research Center, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Jiequn Li,
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Ito T, Yamamoto Y, Yamagishi N, Kanai Y. Stomach secretes estrogen in response to the blood triglyceride levels. Commun Biol 2021; 4:1364. [PMID: 34876651 PMCID: PMC8651635 DOI: 10.1038/s42003-021-02901-9] [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] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 11/23/2021] [Indexed: 11/29/2022] Open
Abstract
Mammals receive body energy information to maintain energy homeostasis. Ghrelin, insulin, leptin and vagal afferents transmit the status of fasting, blood glucose, body fat, and food intake, respectively. Estrogen also inhibits feeding behavior and lipogenesis, but increases body fat mass. However, how blood triglyceride levels are monitored and the physiological roles of estrogen from the perspective of lipid homeostasis remain unsettled. Here, we show that stomach secretes estrogen in response to the blood triglyceride levels. Estrogen-secreting gastric parietal cells predominantly use fatty acids as an energy source. Blood estrogen levels increase as blood triglyceride levels rise in a stomach-dependent manner. Estrogen levels in stomach tissues increase as blood triglyceride levels rise, and isolated gastric gland epithelium produces estrogen in a fatty acid-dependent manner. We therefore propose that stomach monitors and controls blood triglyceride levels using estrogen, which inhibits feeding behavior and lipogenesis, and promotes triglyceride uptake by adipocytes.
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Affiliation(s)
- Takao Ito
- Cell Biology and Anatomy, Graduate School of Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yuta Yamamoto
- Cell Biology and Anatomy, Graduate School of Medicine, Wakayama Medical University, Wakayama, Japan
| | - Naoko Yamagishi
- Cell Biology and Anatomy, Graduate School of Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yoshimitsu Kanai
- Cell Biology and Anatomy, Graduate School of Medicine, Wakayama Medical University, Wakayama, Japan.
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145
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Sheng S, Chen J, Zhang Y, Qin Q, Li W, Yan S, Wang Y, Li T, Gao X, Tang L, Li A, Ding S. Structural and Functional Alterations of Gut Microbiota in Males With Hyperuricemia and High Levels of Liver Enzymes. Front Med (Lausanne) 2021; 8:779994. [PMID: 34869502 PMCID: PMC8640097 DOI: 10.3389/fmed.2021.779994] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/15/2021] [Indexed: 02/04/2023] Open
Abstract
Objective: To investigate the correlation between the structure and function alterations of gut microbiota and biochemical indicators in males with hyperuricemia (HUA) and high levels of liver enzymes, in order to provide new evidences and therapeutic targets for the clinical diagnosis and treatment of HUA. Methods: A total of 69 patients with HUA (HUA group) and 118 healthy controls were enrolled in this study. Their age, height, waist circumference, weight, and pressure were measured. The clinical parameters such as fasting plasma glucose (FBG), aspartate aminotransferase (AST), alanine aminotransferase (ALT), serum uric acid (SUA), serum creatinine (Scr), total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), high-density lipoprotein (HDL), white blood cell (WBC), platelet (PLT), and absolute value of neutrophils (NEUT) were examined. We used whole-genome shotgun sequencing technology and HUMAnN2 MetaCyc pathway database to detect the composition and pathways of the gut microbiota. The main statistical methods were student's t test, chi-square tests, and Wilcoxon rank sum test. The correlations among bacterial diversity, microbial pathways, and biochemical indicators were evaluated by the R function "cor.test" with spearman method. Results: The gut bacterial diversity in HUA group reduced significantly and the community of the microbiota was of significant difference between the two groups. The pathways that can produce 5-aminoimidazole ribonucleotide (PWY-6122, PWY-6277, and PWY-6121), aromatic amino acids, and chorismate (COMPLETE-ARO-PWY, ARO-PWY, and PWY-6163) were enriched in the HUA group; while the pathways that can produce short-chain fatty acids (SCFAs, such as CENTFERM-PWY and PWY-6590) and the gut microbiotas that can produce SCFAs (Roseburia hominis, Odoribacter splanchnicus, Ruminococcus callidus, Lachnospiraceae bacterium 3_1_46FAA, Bacteroides uniformis, Butyricimonas synergistica) and equol (Adlercreutzia equolifaciens) were enriched in healthy controls. Conclusion: The structure and function of the gut microbiota in males with HUA and high levels of liver enzymes have altered apparently. In-depth study of related mechanisms may provide new ideas for the treatment of HUA.
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Affiliation(s)
- Shifeng Sheng
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jingfeng Chen
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yuheng Zhang
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qian Qin
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Weikang Li
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Su Yan
- College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Youxiang Wang
- College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Tiantian Li
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xinxin Gao
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lin Tang
- Department of Nephropathy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ang Li
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Gene Hospital of Henan Province, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Suying Ding
- Health Management Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Ceccarelli I, Bioletti L, Peparini S, Solomita E, Ricci C, Casini I, Miceli E, Aloisi AM. Estrogens and phytoestrogens in body functions. Neurosci Biobehav Rev 2021; 132:648-663. [PMID: 34890602 DOI: 10.1016/j.neubiorev.2021.12.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/23/2022]
Abstract
Estrogens are the hormones of reproduction in women as well as of many other important functions in the male and female body. They undergo significant changes in the different phases of life, e.g. during puberty, pregnancy or at menopause/andropause. Phytoestrogens are natural non-steroidal phenolic plant compounds that can mimic the activity of estrogens and their beneficial effects in women and in men. This narrative review summarizes the literature on the physiological role of estrogens and the several potential health benefits of phytoestrogens, with particular attention given to the possible role of phytoestrogens in aging.
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Affiliation(s)
- Ilaria Ceccarelli
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Lucia Bioletti
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Sofia Peparini
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Erminia Solomita
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Comasia Ricci
- Department Life Sciences, University of Siena, Siena, Italy
| | - Ilenia Casini
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Elisangela Miceli
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Anna Maria Aloisi
- Department Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy.
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147
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Della Torre S, Benedusi V, Pepe G, Meda C, Rizzi N, Uhlenhaut NH, Maggi A. Dietary essential amino acids restore liver metabolism in ovariectomized mice via hepatic estrogen receptor α. Nat Commun 2021; 12:6883. [PMID: 34824281 PMCID: PMC8617046 DOI: 10.1038/s41467-021-27272-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/09/2021] [Indexed: 12/22/2022] Open
Abstract
In female mammals, the cessation of ovarian functions is associated with significant metabolic alterations, weight gain, and increased susceptibility to a number of pathologies associated with ageing. The molecular mechanisms triggering these systemic events are unknown because most tissues are responsive to lowered circulating sex steroids. As it has been demonstrated that isoform alpha of the estrogen receptor (ERα) may be activated by both estrogens and amino acids, we test the metabolic effects of a diet enriched in specific amino acids in ovariectomized (OVX) mice. This diet is able to block the OVX-induced weight gain and fat deposition in the liver. The use of liver-specific ERα KO mice demonstrates that the hepatic ERα, through the control of liver lipid metabolism, has a key role in the systemic response to OVX. The study suggests that the liver ERα might be a valuable target for dietary treatments for the post-menopause.
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Affiliation(s)
- Sara Della Torre
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy.
- Center of Excellence on Neurodegenerative Diseases, University of Milan, Milan, Italy.
| | - Valeria Benedusi
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
- Center of Excellence on Neurodegenerative Diseases, University of Milan, Milan, Italy
| | - Giovanna Pepe
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
- Center of Excellence on Neurodegenerative Diseases, University of Milan, Milan, Italy
| | - Clara Meda
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Nicoletta Rizzi
- Research Services Management Office, University of Milan, Milan, Italy
| | - Nina Henriette Uhlenhaut
- Molecular Endocrinology, Institute for Diabetes and Cancer (IDC), Helmholz Zentrum Munich, Helmholtz Diabetes Center (HMGU), Munich, Germany
- Metabolic Programming, TUM School of Life Sciences Weihenstephan, Munich, Freising, Germany
| | - Adriana Maggi
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy.
- Center of Excellence on Neurodegenerative Diseases, University of Milan, Milan, Italy.
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148
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Robinson GA, Peng J, Peckham H, Radziszewska A, Butler G, Pineda-Torra I, Jury EC, Ciurtin C. Sex hormones drive changes in lipoprotein metabolism. iScience 2021; 24:103257. [PMID: 34761181 PMCID: PMC8567005 DOI: 10.1016/j.isci.2021.103257] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/08/2021] [Accepted: 10/07/2021] [Indexed: 02/06/2023] Open
Abstract
Women have a reduced cardiovascular disease (CVD) risk compared with men, which could be partially driven by sex hormones influencing lipid levels post puberty. The interrelationship between sex hormones and lipids was explored in pre-pubertal children, young post-pubertal cis-men/women, and transgender individuals on cross-sex-hormone treatment (trans-men/women) using serum metabolomics assessing 149 lipids. High-density lipoproteins (HDL, typically atheroprotective) were significantly increased and very-low- and low-density lipoproteins (typically atherogenic) were significantly decreased in post-pubertal cis-women compared with cis-men. These differences were not observed pre-puberty and were induced appropriately by cross-sex-hormone treatment in transgender individuals, supporting that sex hormones regulate lipid metabolism in vivo. Only atheroprotective apolipoprotein (Apo)A1 expressing lipoproteins (HDL) were differentially expressed between all hormonally unique comparisons. Thus, estradiol drives a typically atheroprotective lipid profile through upregulation of HDL/ApoA1, which could contribute to the sexual dimorphism observed in CVD risk post puberty. Together, this could inform sex-specific therapeutic strategies for CVD management.
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Affiliation(s)
- George A. Robinson
- Centre for Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
- Centre for Adolescent Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
| | - Junjie Peng
- Centre for Adolescent Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
| | - Hannah Peckham
- Centre for Adolescent Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
| | - Anna Radziszewska
- Centre for Adolescent Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
| | - Gary Butler
- Department of Paediatric and Adolescent Endocrinology, UCLH and Great Ormond Street Institute of Child Health, University College London, London, UK
- Gender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, UK
| | - Ines Pineda-Torra
- Centre for Cardiometabolic and Vascular Science, Department of Medicine, University College London, London WC1E 6JF, UK
| | - Elizabeth C. Jury
- Centre for Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
| | - Coziana Ciurtin
- Centre for Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
- Centre for Adolescent Rheumatology Research, Division of Medicine, University College London, Rayne Building, London WC1E 6JF, UK
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149
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Circulating oestradiol determines liver lipid deposition in rats fed standard diets partially unbalanced with higher lipid or protein proportions. Br J Nutr 2021; 128:1499-1508. [PMID: 34776031 PMCID: PMC9557166 DOI: 10.1017/s0007114521004505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The ingestion of excess lipids often produces the accumulation of liver fat. The modulation of diet energy partition affects this process and other metabolic responses, and oestrogens and androgens are implied in this process. Ten-week-old male and female rats were fed with either standard rat chow (SD), SD enriched with coconut oil (high-fat diet, HF), SD enriched with protein (high-protein diet, HP) or a ‘cafeteria’ diet (CAF) for 1 month. HF and CAF diets provided the same lipid-derived percentage of energy (40 %), HP diet protein energy derived was twice (40 %) that of the SD. Animals were killed under anaesthesia and samples of blood and liver were obtained. Hepatic lipid content showed sex-related differences: TAG accumulation tended to increase in HF and CAF fed males. Cholesterol content was higher only in the CAF males. Plasma oestradiol in HF and HP males was higher than in CAF. Circulating cholesterol was inversely correlated with plasma oestradiol. These changes agreed with the differences in the expression of some enzymes related to lipid and energy metabolism, such as fatty acid synthetase or phosphoglycolate phosphatase. Oestrogen protective effects extend to males with ‘normal’ diets, that is, not unbalanced by either lipid or protein, but this protection was not enough against the CAF diet. Oestradiol seems to actively modulate the liver core of 2C-3C partition of energy substrates, regulating cholesterol deposition and lactate production.
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150
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Nagl V, Grenier B, Pinton P, Ruczizka U, Dippel M, Bünger M, Oswald IP, Soler L. Exposure to Zearalenone Leads to Metabolic Disruption and Changes in Circulating Adipokines Concentrations in Pigs. Toxins (Basel) 2021; 13:toxins13110790. [PMID: 34822574 PMCID: PMC8618343 DOI: 10.3390/toxins13110790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 10/26/2021] [Accepted: 11/04/2021] [Indexed: 11/16/2022] Open
Abstract
Zearalenone (ZEN) is a mycotoxin classified as an endocrine disruptor. Many endocrine disruptors are also metabolic disruptors able to modulate energy balance and inflammatory processes in a process often involving a family of protein hormones known as adipokines. The aim of our study was to elucidate the role of ZEN as metabolic disruptor in pigs by investigating the changes in energy balance and adipokines levels in response to different treatment diets. To this end, weaned piglets (n = 10/group) were exposed to either basal feed or feed contaminated with 680 and 1620 µg/kg ZEN for 28 days. Serum samples collected at days 7 and 21 were subjected to biochemistry analysis, followed by determination of adipokine levels using a combined approach of protein array and ELISA. Results indicate that ZEN has an impact on lipid and glucose metabolism that was different depending on the dose and time of exposure. In agreement with these changes, ZEN altered circulating adipokines concentrations, inducing significant changes in adiponectin, resistin, and fetuin B. Our results suggest that ZEN may function as a natural metabolism-disrupting chemical.
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Affiliation(s)
- Veronika Nagl
- BIOMIN Research Center, BIOMIN Holding GmbH, Technopark 1, 3430 Tulln, Austria; (V.N.); (B.G.)
| | - Bertrand Grenier
- BIOMIN Research Center, BIOMIN Holding GmbH, Technopark 1, 3430 Tulln, Austria; (V.N.); (B.G.)
| | - Philippe Pinton
- Toxalim (Research Centre in Food Toxicology), INRAE, ENVT, INP-Purpan, University of Toulouse, UPS, 31027 Toulouse, France; (P.P.); (I.P.O.)
| | - Ursula Ruczizka
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (U.R.); (M.D.); (M.B.)
| | - Maximiliane Dippel
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (U.R.); (M.D.); (M.B.)
| | - Moritz Bünger
- University Clinic for Swine, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (U.R.); (M.D.); (M.B.)
| | - Isabelle P. Oswald
- Toxalim (Research Centre in Food Toxicology), INRAE, ENVT, INP-Purpan, University of Toulouse, UPS, 31027 Toulouse, France; (P.P.); (I.P.O.)
| | - Laura Soler
- Toxalim (Research Centre in Food Toxicology), INRAE, ENVT, INP-Purpan, University of Toulouse, UPS, 31027 Toulouse, France; (P.P.); (I.P.O.)
- Correspondence: ; Tel.: +33-582-066-403
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