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Shih YH, Yang CY, Wang SJ, Lung CC. Menopausal hormone therapy decreases the likelihood of diabetes development in peri‑menopausal individuals with prediabetes. DIABETES & METABOLISM 2024; 50:101546. [PMID: 38843591 DOI: 10.1016/j.diabet.2024.101546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/22/2024] [Accepted: 05/27/2024] [Indexed: 07/09/2024]
Abstract
BACKGROUND The influence of menopausal hormone therapy (MHT) on the probability of developing diabetes mellitus in individuals with prediabetes remains uncertain. METHODS This retrospective cohort study, utilizing the TriNetX U.S. Collaborative Network, investigated cohorts, implemented propensity score matching, and analyzed outcomes associated with diabetes mellitus. The study focused on individuals aged 46-60 with prediabetes prior to menopause, categorizing them into MHT and non-MHT groups. Further stratified analyses, including variables such as age and race, were conducted to thoroughly examine potential variations in outcomes. RESULTS The study involved 6566 individuals (MHT and non-MHT), with propensity score matching ensuring balanced cohorts. Over a 20-year follow-up, the MHT group demonstrated a lower incidence of diabetes mellitus compared to the non- MHT group, with a Hazard Ratio of 0.693 (95 % CI: 0.577, 0.832). Stratified analyses revealed age-specific nuances, with significant protective effects in individuals aged 46-50 and 55-60. Additionally, ethnicity played a role, with MHT demonstrating significant benefits in White individuals but not in the Black or Asian populations. BMI analysis indicated a significant risk reduction with MHT in individuals with BMI less than or equal to 24.9 and 25-29.9 kg/m 2, but not in those with BMI greater than or equal to 30 kg/m 2. CONCLUSION In our study, we demonstrate a sustained 20-year decrease in the risk of diabetes among premenopausal individuals with prediabetes who undergo menopausal hormone therapy.
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Affiliation(s)
- Yu-Hsiang Shih
- Department of Obstetrics and Gynecology, Taichung Veterans General Hospital, Taichung City, Taiwan; Department of Public Health, Chung Shan Medical University, Taichung City, Taiwan
| | - Chiao-Yu Yang
- Department of Public Health, Chung Shan Medical University, Taichung City, Taiwan; Department of Occupational Health Nursing Center, Chung Shan Medical University Hospital, Taichung City, Taiwan
| | - Shao-Jing Wang
- Department of Obstetrics and Gynecology, Taichung Veterans General Hospital, Taichung City, Taiwan
| | - Chia-Chi Lung
- Department of Public Health, Chung Shan Medical University, Taichung City, Taiwan; Department of Health Policy and Management, Chung Shan Medical University, Taichung City, Taiwan; Department of Family and Community Medicine, Chung Shan Medical University Hospital, Taichung City, Taiwan.
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Lee E, Nissinen TA, Ylä-Outinen L, Jalkanen A, Karppinen JE, Vieira-Potter VJ, Lipponen A, Karvinen S. Estrogen deficiency reduces maximal running capacity and affects serotonin levels differently in the hippocampus and nucleus accumbens in response to acute exercise. Front Neurosci 2024; 18:1399229. [PMID: 38983274 PMCID: PMC11231437 DOI: 10.3389/fnins.2024.1399229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 06/07/2024] [Indexed: 07/11/2024] Open
Abstract
Introduction Estrogen deficiency is associated with unfavorable changes in body composition and metabolic health. While physical activity ameliorates several of the negative effects, loss of ovarian function is associated with decreased physical activity levels. It has been proposed that the changes in brain neurochemical levels and /or impaired skeletal muscle function may underlie this phenomenon. Methods We studied the effect of estrogen deficiency induced via ovariectomy (OVX) in female Wistar rats (n = 64). Rats underwent either sham or OVX surgery and were allocated thereafter into four groups matched for body mass and maximal running capacity: sham/control, sham/max, OVX/control, and OVX/max, of which the max groups had maximal running test before euthanasia to induce acute response to exercise. Metabolism, spontaneous activity, and maximal running capacity were measured before (PRE) and after (POST) the surgeries. Three months following the surgery, rats were euthanized, and blood and tissue samples harvested. Proteins were analyzed from gastrocnemius muscle and retroperitoneal adipose tissue via Western blot. Brain neurochemical markers were measured from nucleus accumbens (NA) and hippocampus (HC) using ultra-high performance liquid chromatography. Results OVX had lower basal energy expenditure and higher body mass and retroperitoneal adipose tissue mass compared with sham group (p ≤ 0.005). OVX reduced maximal running capacity by 17% (p = 0.005) with no changes in muscle mass or phosphorylated form of regulatory light chain (pRLC) in gastrocnemius muscle. OVX was associated with lower serotonin metabolite 5-hydroxyindoleacetic acid (5-HIAA) level in the NA compared with sham (p = 0.007). In response to acute exercise, OVX was associated with low serotonin level in the HC and high level in the NA (p ≤ 0.024). Discussion Our results highlight that OVX reduces maximal running capacity and affects the response of brain neurochemical levels to acute exercise in a brain region-specific manner. These results may offer mechanistic insight into why OVX reduces willingness to exercise.
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Affiliation(s)
- Earric Lee
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
- Montreal Heart Institute, Montréal, QC, Canada
- School of Kinesiology and Physical Activity Sciences, University of Montréal, Montréal, QC, Canada
| | - Tuuli A. Nissinen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Laura Ylä-Outinen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Aaro Jalkanen
- Faculty of Health Sciences, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Jari E. Karppinen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Victoria Jeanne Vieira-Potter
- Division of Foods, Nutrition and Exercise Sciences, Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - Arto Lipponen
- Department of Psychology, Faculty of Education and Psychology, University of Jyväskylä, Jyväskylä, Finland
| | - Sira Karvinen
- Gerontology Research Center and Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
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Jaiswal V, Lee MJ, Chun JL, Park M, Lee HJ. 1-Deoxynojirimycin containing Morus alba leaf-based food modulates the gut microbiome and expression of genes related to obesity. BMC Vet Res 2024; 20:133. [PMID: 38570815 PMCID: PMC10988916 DOI: 10.1186/s12917-024-03961-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 02/28/2024] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND Obesity is a serious disease with an alarmingly high incidence that can lead to other complications in both humans and dogs. Similar to humans, obesity can cause metabolic diseases such as diabetes in dogs. Natural products may be the preferred intervention for metabolic diseases such as obesity. The compound 1-deoxynojirimycin, present in Morus leaves and other sources has antiobesity effects. The possible antiobesity effect of 1-deoxynojirimycin containing Morus alba leaf-based food was studied in healthy companion dogs (n = 46) visiting the veterinary clinic without a history of diseases. Body weight, body condition score (BCS), blood-related parameters, and other vital parameters of the dogs were studied. Whole-transcriptome of blood and gut microbiome analysis was also carried out to investigate the possible mechanisms of action and role of changes in the gut microbiome due to treatment. RESULTS After 90 days of treatment, a significant antiobesity effect of the treatment food was observed through the reduction of weight, BCS, and blood-related parameters. A whole-transcriptome study revealed differentially expressed target genes important in obesity and diabetes-related pathways such as MLXIPL, CREB3L1, EGR1, ACTA2, SERPINE1, NOTCH3, and CXCL8. Gut microbiome analysis also revealed a significant difference in alpha and beta-diversity parameters in the treatment group. Similarly, the microbiota known for their health-promoting effects such as Lactobacillus ruminis, and Weissella hellenica were abundant (increased) in the treatment group. The predicted functional pathways related to obesity were also differentially abundant between groups. CONCLUSIONS 1-Deoxynojirimycin-containing treatment food have been shown to significantly improve obesity. The identified genes, pathways, and gut microbiome-related results may be pursued in further studies to develop 1-deoxynojirimycin-based products as candidates against obesity.
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Affiliation(s)
- Varun Jaiswal
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea
| | - Mi-Jin Lee
- Department of Companion Animal Industry, College of Health Sciences, Wonkwang University, Iksan, Jeollabuk-do, 54538, Republic of Korea
| | - Ju Lan Chun
- Animal Welfare Research Team, Rural Development Administration, National Institute of Animal Science, Wanju, Jeollabuk-do, 55365, Republic of Korea
| | - Miey Park
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea.
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea.
| | - Hae-Jeung Lee
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea.
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam, Gyeonggi-do, 13120, Republic of Korea.
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, 21999, Republic of Korea.
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Mohile AA, Hedaoo RP, Jadhav SJ, Ainapure AS, Patil MV, Khatwani NR. Unraveling the Link: A Comprehensive Literature Review of Type 2 Diabetes and Menopause Onset. Cureus 2023; 15:e50743. [PMID: 38234930 PMCID: PMC10794094 DOI: 10.7759/cureus.50743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2023] [Indexed: 01/19/2024] Open
Abstract
Women with diabetes mellitus (DM), a metabolic endocrine illness, may experience a variety of reproductive problems. The age at menopause onset has been extensively studied as a major predictor of women's health in the future; however, its relationship to diabetes in Indian women has received less attention. This literature review looked at the consequences of diabetes in women as well as the association between diabetes and the age at which menopause begins. The average age at menopause onset among women with type 2 diabetes mellitus (T2DM) has decreased globally. According to one Indian study, the average menopause age dropped to 45 years for 26% of women with T2DM. In the current review, 10 studies indicated that women with T2DM displayed an imbalanced hormonal profile resulting in an extended anovulatory period. Two investigations highlighted the significance of altered body composition of women with T2DM, thereby suggesting obesity as the primary risk factor of ovarian aging and early climacteric symptoms. T2DM may lower the average age at menopause onset; however, further research on Indian women is necessary. There is a need of studies on T2DM in premenopausal women are needed to demonstrate how the changes in body composition impact the age at which menopause begins. Delaying the onset of menopause in women with T2DM necessitates diet and lifestyle interventions to minimize ovarian aging and hormonal imbalance.
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Affiliation(s)
- Anuja A Mohile
- Nutrition and Dietetics, Symbiosis International (Deemed) University, Pune, IND
- School of Beauty, Wellness, Nutrition and Dietetics, Symbiosis Skills and Professional University, Pune, IND
| | - Radhika P Hedaoo
- Nutrition and Dietetics, Symbiosis Institute of Health Sciences, Symbiosis International (Deemed) University, Pune, IND
| | - Sammita J Jadhav
- Pathology, Symbiosis Institute of Health Sciences, Symbiosis International (Deemed) University, Pune, IND
| | - Archana S Ainapure
- School of Beauty, Wellness, Nutrition and Dietetics, Symbiosis Skills and Professional University, Pune, IND
| | | | - Nalini R Khatwani
- School of Beauty, Wellness, Nutrition and Dietetics, Symbiosis Skills and Professional University, Pune, IND
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Non-Alcoholic Fatty Liver Disease and the Risk of Diabetes Mellitus by Menopausal Status: A Nationwide Cohort Study. J Pers Med 2022; 12:jpm12040546. [PMID: 35455663 PMCID: PMC9027609 DOI: 10.3390/jpm12040546] [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: 02/11/2022] [Revised: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is regarded as a risk factor for type 2 diabetes mellitus (DM). Menopausal status also influences T2DM risk, where estrogen is presumed to play a protective role by decreasing insulin resistance. As such, we investigated the association between NAFLD and DM risk according to menopausal status. Objectives: We sought to examine the association between NAFLD and DM incidence in pre- and post-menopausal women. Methods: A total of 842,772 pre-menopausal and 1,074,767 post-menopausal women who underwent health examinations between 2009 and 2014 were included from the Korean National Health Insurance Service database. Multivariate Cox proportional hazard analyses were performed to evaluate the association between the risk of DM according to menopausal status and NAFLD, defined by a fatty liver index >60. Results: During the mean follow-up period (7.8 years), DM was diagnosed in 33,461 (4.0%) of pre-menopausal women and 121,102 (9.4%) post-menopausal women. A stronger association between NAFLD and the risk of DM was found in pre-menopausal women (multivariable-adjusted hazard ratio [aHR], 3.60; 95% confidence interval [CI], 3.48−3.71) than in post-menopausal women (aHR, 2.24; 95% CI, 2.21−2.28) (P-interaction < 0.01). Subgroup analyses among women aged 45 to 55 years also showed a stronger association in pre-menopausal (aHR, 3.35; 95% CI, 3.21−3.49) than in post-menopausal women (aHR, 2.83; 95% CI, 2.68−2.98) (P-interaction < 0.01). Conclusions: The association between NAFLD and DM was stronger in pre-menopausal women than in post-menopausal women. This might be due to the protective effect of estrogen, which is possibly in higher production in the peripheral fat tissue of post-menopausal women with NAFLD.
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