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Teliti M, Fanfulla F, Croce L, Coperchini F, Rotondi M. The interplay between subclinical hypothyroidism and poor sleep quality: A systematic review. Eur J Intern Med 2024; 126:49-55. [PMID: 38548514 DOI: 10.1016/j.ejim.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 02/22/2024] [Accepted: 03/11/2024] [Indexed: 08/04/2024]
Abstract
BACKGROUND The relationship between subclinical hypothyroidism (SHYPO) and sleep disturbances is still poorly investigated. This systematic review aims to critically appraise the existing literature to provide more insights in understanding whether SHYPO favors sleep disturbances or it is the sleep disturbance per se that affects the hypothalamus-pituitary-thyroid axis regulation. METHODS Original studies on sleep quality and duration in patients with SHYPO were searched in the PubMed/MEDLINE, Embase, Web of Science and Scopus databases. Two reviewers independently screened articles for inclusion, extracted data, and assessed the quality of included studies. RESULTS Eight studies, including 2916 patients with SHYPO and 18,574 healthy controls, were retrieved. An overall agreement (7 out of 8 studies), about a positive correlation between decreased sleep quality and/or duration and SHYPO was observed. Five studies investigated sleep quality through self-reported surveys; only two studies explored both subjective and objective assessment of sleep quality with actigraphy (n = 1) or polysomnography (n = 1); finally, one study assessed subjective evaluation of sleep quality through a single question regarding the number of sleeping hours. A high level of heterogeneity among studies was manifest due to differences in population source, sleep measure assessment and criteria for diagnosing SHYPO. DISCUSSION Overall, the existing literature data suggest a link between SHYPO and sleep disturbances, but further studies on larger populations of patients with homogeneous study designs and outcomes are warranted.
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Affiliation(s)
- Marsida Teliti
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Italy; Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Istituti Clinici Scientifici Maugeri IRCCS, Via S. Maugeri 4, Pavia 27100, Italy
| | - Francesco Fanfulla
- Unit of Respiratory Function and Sleep Medicine, Istituti Clinici Scientifici Maugeri IRCCS, Pavia 27100, Italy
| | - Laura Croce
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Italy; Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Istituti Clinici Scientifici Maugeri IRCCS, Via S. Maugeri 4, Pavia 27100, Italy
| | - Francesca Coperchini
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Italy
| | - Mario Rotondi
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Italy; Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Istituti Clinici Scientifici Maugeri IRCCS, Via S. Maugeri 4, Pavia 27100, Italy.
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Li X, Li H, Hong T, Li Z, Wang Z. Assessing the causal relationship between obesity and hypothyroidism using Mendelian randomization. J Investig Med 2024:10815589241257214. [PMID: 38785311 DOI: 10.1177/10815589241257214] [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: 05/25/2024]
Abstract
To explore the causal relationship between obesity and hypothyroidism and identify risk factors and the predictive value of subclinical hypothyroidism (SCH) in obese patients using Mendelian randomization, this study employed five Mendelian randomization methods (MR Egger, Weighted Median, Inverse Variance Weighted, Simple Mode, and Weighted Mode) to analyze clinical data from 308 obese patients at the People's Hospital of Xinjiang Uygur Autonomous Region, from January 2015 to June 2023. Patients were divided based on thyroid function tests into normal (n = 173) and SCH groups (n = 56). Comparative analyses, along with univariate and multivariate logistic regression, were conducted to identify risk factors for SCH in obese patients. A significant association between obesity and hypothyroidism was established, especially highlighted by the inverse variance weighted method. SCH patients showed higher ages, thyroid-stimulating hormone levels, and thyroid autoantibody positivity rates, with lower T4 and FT4 levels. Age, FT4, thyroid autoantibodies, TPO-Ab, and Tg-Ab were confirmed as risk factors. The predictive value of FT4 levels for SCH in obesity was significant, with an Area Under the Curve (AUC) of 0.632. The study supports a potential causal link between obesity and hypothyroidism, identifying specific risk factors for SCH in obese patients. FT4 level stands out as an independent predictive factor, suggesting its utility in early diagnosis and preventive strategies for SCH.
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Affiliation(s)
- Xin Li
- Department of Minimally Invasive, Hernia and Abdominal Surgery, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China
| | - Huilin Li
- Department of Minimally Invasive, Hernia and Abdominal Surgery, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China
| | - Tao Hong
- Graduate School, Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region, China
| | - Zanlin Li
- Department of Minimally Invasive, Hernia and Abdominal Surgery, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China
| | - Zhi Wang
- Department of Comprehensive Surgery, People's Hospital of Xinjiang Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China
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Guo X, Tang S, Li Y, Mu C, Zhang H, Jiang Q, Jiang M, Han W, Zheng Y, Piao J. Mechanism underlying the role of integrin α3β1 in adhesive dysfunction between thyroid cells induced by diesel engine exhaust particles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174535. [PMID: 38972403 DOI: 10.1016/j.scitotenv.2024.174535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 06/30/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
The role and mechanisms of DEP exposure on thyroid injury are not yet clear. This study explores thyroid damage induced by in vivo DEP exposure using a mouse model. This study has observed alterations in thyroid follicular architecture, including rupture, colloid overflow, and the formation of voids. Additionally, there was a significant decrease in the expression levels of proteins involved in thyroid hormone synthesis, such as thyroid peroxidase and thyroglobulin, their trend of change is consistent with the damage to the thyroid structure. Serum levels of triiodothyronine and tetraiodothyronine were raise. However, the decrease in TSH expression suggests that the function of the HPT axis is unaffected. To delve deeper into the intrinsic mechanisms of thyroid injury, we performed KEGG pathway enrichment analysis, which revealed notable alterations in the cell adhesion signaling pathway. Our immunofluorescence results show that DEP exposure impairs thyroid adhesion, and integrin α3β1 plays an important role. CD151 binds to α3β1, promoting multimolecular complex formation and activating adhesion-dependent small GTPases. Our in vitro model has confirmed the pivotal role of integrin α3β1 in thyroid cell adhesion, which may be mediated by the CD151/α3β1/Rac1 pathway. In summary, exposure to DEP disrupts the structure and function of the thyroid, a process that likely involves the regulation of cell adhesion through the CD151/α3β1/Rac1 pathway, leading to glandular damage.
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Affiliation(s)
- Xiaoyin Guo
- School of Public Health, Qingdao University, Qingdao, China
| | - Siying Tang
- Chengyang City Centre for Disease Control and Prevention, Qingdao, China
| | - Yanting Li
- School of Public Health, Qingdao University, Qingdao, China
| | - Chaohui Mu
- Department of Respiratory and Critical Care Medicine, Qingdao Municipal Hospital, Qingdao, China
| | - Hongna Zhang
- School of Public Health, Qingdao University, Qingdao, China
| | - Qixiao Jiang
- School of Public Health, Qingdao University, Qingdao, China
| | - Menghui Jiang
- School of Public Health, Qingdao University, Qingdao, China
| | - Wei Han
- Department of Respiratory and Critical Care Medicine, Qingdao Municipal Hospital, Qingdao, China
| | - Yuxin Zheng
- School of Public Health, Qingdao University, Qingdao, China.
| | - Jinmei Piao
- School of Public Health, Qingdao University, Qingdao, China.
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Sohouli MH, Eslamian G, Ardehali SH, Raeissadat SA, Shimi G, Pourvali K, Zand H. Effects of N-acetylcysteine on the expressions of UCP1 and factors related to thyroid function in visceral adipose tissue of obese adults: a randomized, double-blind clinical trial. GENES & NUTRITION 2024; 19:8. [PMID: 38702594 PMCID: PMC11069202 DOI: 10.1186/s12263-024-00744-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
BACKGROUND Evidences have shown that obesity is influenced by various factors, including various hormones such as thyroid hormones and the body's metabolism rate. It seems that practical solutions such as weight loss diets and common drugs can affect these potential disorders. In this study, we investigate one of these common drugs, N-Acetylcysteine (NAC), on expressions of UCP1 and factors related to thyroid function in adults with obesity. METHODS AND ANALYSIS The current investigation was carried out as a randomized clinical trial (RCT) including 43 adults with obesity who were potential candidates for bariatric surgery. These individuals were randomly divided into two groups: 600 mg of NAC (n = 22) or placebo (n = 21) for a duration of 8 weeks. Visceral adipose tissue was utilized in the context of bariatric surgery to investigate the gene expression of UCP1 and thyroid function. Polymerase chain reaction (PCR) was performed in duplicate for UCP1, DIO2, DIO3, THRα and β, and 18s RNA (as an internal control) using the provided instructions to investigate the expression of the respective genes. RESULTS Our findings revealed that after 8 weeks compared to placebo, NAC caused a significant decrease in the expression of the DIO3 gene as one of the genes related to thyroid function and metabolism. However, regarding other related genes, no statistically significant was found (despite the increase in UCP1, DIO2, and THRα expression and decrease in THRβ expression). In addition, after adjustment of possible confounders, no significant effect was observed on anthropometric factors and serum levels of thyroid hormones. CONCLUSION The results of this study indicate that, following an 8-week period, NAC effectively decreases the expression of the DIO3 gene in the visceral fat tissue, in comparison to the placebo.
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Affiliation(s)
- Mohammad Hassan Sohouli
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ghazaleh Eslamian
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Hossein Ardehali
- Department of Anesthesiology, School of Medicine, Shohada-e-Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Ahmad Raeissadat
- Physical Medicine and Rehabilitation Research Center Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ghazaleh Shimi
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Katayoun Pourvali
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Zand
- Department of Cellular and Molecular Nutrition, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Jing M, Shao S, Ma S, Gao L, Wang Q, Zhou M. Exploring the link between obesity and hypothyroidism in autoimmune thyroid diseases: a metabolic perspective. Front Mol Biosci 2024; 11:1379124. [PMID: 38712344 PMCID: PMC11070466 DOI: 10.3389/fmolb.2024.1379124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/12/2024] [Indexed: 05/08/2024] Open
Abstract
Background: The management of primary hypothyroidism demands a comprehensive approach that encompasses both the implications of autoimmune thyroid disease and the distinct effects posed by obesity and metabolic irregularities. Despite its clinical importance, the interplay between obesity and hypothyroidism, especially in the context of metabolic perspectives, is insufficiently explored in existing research. This study endeavors to classify hypothyroidism by considering the presence of autoimmune thyroid disease and to examine its correlation with various metabolic obesity phenotypes. Method: This research was conducted by analyzing data from 1,170 individuals enrolled in the Thyroid Disease Database of Shandong Provincial Hospital. We assessed four distinct metabolic health statuses among the participants: Metabolically Healthy No Obese Metabolically Healthy Obese Metabolically Unhealthy No Obese and Metabolically Unhealthy Obese Utilizing logistic regression, we investigated the association between various metabolic obesity phenotypes and hypothyroidism. Results: The study revealed a significant correlation between the Metabolically Unhealthy Obese (MUO) phenotype and hypothyroidism, particularly among women who do not have thyroid autoimmunity. Notably, the Metabolically Unhealthy No Obese (MUNO) phenotype showed a significant association with hypothyroidism in individuals with thyroid autoimmunity, with a pronounced prevalence in women. Furthermore, elevated levels of triglycerides and blood glucose were found to be significantly associated with hypothyroidism in men with thyroid autoimmunity and in women without thyroid autoimmunity. Conclusion: Effective treatment of hypothyroidism requires a thorough understanding of the process of thyroid autoimmune development. In patients without concurrent thyroid autoimmunity, there is a notable correlation between obesity and metabolic issues with reduced thyroid function. Conversely, for patients with thyroid autoimmunity, a focused approach on managing metabolic abnormalities, especially triglyceride levels, is crucial.
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Affiliation(s)
- Mengzhe Jing
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, China
- Shandong Institute of Endocrine and Metabolic Disease, Jinan, Shandong, China
| | - Shanshan Shao
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, China
- Shandong Institute of Endocrine and Metabolic Disease, Jinan, Shandong, China
| | - Shizhan Ma
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, China
- Shandong Institute of Endocrine and Metabolic Disease, Jinan, Shandong, China
| | - Ling Gao
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, China
- Shandong Institute of Endocrine and Metabolic Disease, Jinan, Shandong, China
| | - Qian Wang
- Department of Ultrasound, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Meng Zhou
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, China
- Shandong Institute of Endocrine and Metabolic Disease, Jinan, Shandong, China
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6
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Liu H, Wang J, Tao L, Hao Y. Association between DCP levels and kidney stone prevalence in US female adults based on NHANES data. Sci Rep 2024; 14:6457. [PMID: 38499640 PMCID: PMC10948765 DOI: 10.1038/s41598-024-56832-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 03/12/2024] [Indexed: 03/20/2024] Open
Abstract
Our study aimed to evaluate the correlation between levels of 2,4-DCP(2,4-Dichlorophenol) and 2,5-DCP(2,5-Dichlorophenol) and the prevalence of kidney stones in US female adults. Participants were chosen from the National Health and Nutrition Examination Survey database, spanning the years 2007-2016. Dose-response curves were analyzed using logistic regression, subgroup analyses, and other statistical methods to evaluate the relationship between 2,4-DCP and 2,5-DCP levels and the prevalence of kidney stones. The final study included 3220 participants aged over 20 years, with 252 females reporting a history of kidney stones. After accounting for all interfering variables, we found that every 0.1 ug/ml increase in 2.4-DCP correlated with a 1% rise in kidney stone prevalence (OR = 1.01, 95% CI 1.00, 1.01), whereas the same increase in 2.5-DCP was linked to a 27% growth in prevalence (OR = 1.27, 95% CI 1.01, 1.61). Sensitivity analysis was performed by triangulating 2,4-DCP and 2,5-DCP levels. The dose-response curves demonstrated a linear positive relationship between 2,4-DCP and 2,5-DCP levels and the risk of stone development. Our findings indicate a positive correlation between 2,4-DCP and 2,5-DCP levels and the prevalence of kidney stones in US female adults. This association is of clinical significance; however, a direct causal relationship cannot be definitively established.
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Affiliation(s)
- Heqian Liu
- Department of Urology, The Second People's Hospital of Wuhu City (Affiliated Wuhu Hospital of East China Normal University), Wuhu, 241000, China
| | - Jiawei Wang
- Department of Urology, The Second People's Hospital of Wuhu City (Affiliated Wuhu Hospital of East China Normal University), Wuhu, 241000, China
| | - Lingsong Tao
- Department of Urology, The Second People's Hospital of Wuhu City (Affiliated Wuhu Hospital of East China Normal University), Wuhu, 241000, China
| | - Yunwu Hao
- Department of Urology, Lu'an Hospital Affiliated of Anhui Medical University, Lu'an, 237000, Anhui, China.
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Huang K, Su S, Wang X, Hu M, Zhao R, Gao S, Zhang E, Liu J, Xie S, Luan Y, Sun Y, Zhang Y, Yue W, Liu R, Yin C. Association Between Maternal Thyroid Function in Early Pregnancy and Gestational Diabetes: A Prospective Cohort Study. J Clin Endocrinol Metab 2024; 109:e780-e787. [PMID: 37647889 PMCID: PMC10795920 DOI: 10.1210/clinem/dgad518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/17/2023] [Accepted: 08/28/2023] [Indexed: 09/01/2023]
Abstract
CONTEXT Previous studies on the relationship between thyroid gland function and the development of gestational diabetes mellitus (GDM) have reported different results, leading to the need for a cohort study design with a large sample size. OBJECTIVE We aimed to investigate the relationship between thyroid function in early pregnancy and GDM. METHODS This was a prospective cohort study based on the China Birth Cohort Study (CBCS), from February 2018 to December 2020. The study took place at a tertiary maternal and child health hospital. A total of 36 256 pregnant women were successfully recruited based on the CBCS. The main outcome measure was GDM. RESULTS This study consisted of 26 742 pregnant women who met the inclusion criteria, of whom 3985 (14.90%) were diagnosed with GDM, and the women with GDM were older than their healthy counterparts (33.26 ± 4.01 vs 31.51 ± 3.76 years, P < .001). After removing potential influencing variables, we found that increased thyroid-stimulating hormone (TSH) (adjusted odds ratio [aOR] 1.030, 95% CI 1.007, 1.054, P = .012) and subclinical hypothyroidism (aOR 1.211, 95% CI 1.010, 1.451, P = .039), but not free thyroxine or thyroid peroxidase antibody, were associated with the occurrence of GDM. Further analysis indicated a nonlinear relationship between TSH and GDM (P < .05): when TSH ≤ 1.24 mIU/L, the occurrence of GDM was elevated with increasing TSH, but when TSH > 1.24 mIU/L, this trend was not obvious. CONCLUSION High TSH might be associated with increased risk of GDM.
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Affiliation(s)
- Kaikun Huang
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Shaofei Su
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Xueran Wang
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Minhui Hu
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Rong Zhao
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Shen Gao
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Enjie Zhang
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Jianhui Liu
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Shuanghua Xie
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Yingyi Luan
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Yongqing Sun
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Yue Zhang
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Wentao Yue
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Ruixia Liu
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
| | - Chenghong Yin
- Department of Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100026, China
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Biondi B. Subclinical Hypothyroidism in Patients with Obesity and Metabolic Syndrome: A Narrative Review. Nutrients 2023; 16:87. [PMID: 38201918 PMCID: PMC10780356 DOI: 10.3390/nu16010087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
The literature on the connection between obesity, metabolic syndrome, and subclinical hypothyroidism is critically analyzed in this narrative review. These conditions are frequently observed among adult populations and various studies and meta-analyses have assessed their association. The prevalence of subclinical hypothyroidism in obese individuals is higher than in non-obese subjects and this trend is more pronounced in unhealthy obesity phenotypes. However, the diagnosis and treatment of subclinical hypothyroidism can be difficult in obese patients. Exaggerated body fat is linked to thyroid hypoechogenicity as evident through ultrasonography and euthyroid obese people have greater TSH, FT3, and FT3/FT4 ratios than non-obese individuals in a euthyroid condition. Moreover, a reduced expression of the TSH receptor and altered function of deiodinases has been found in the adipose tissue of obese patients. Current data do not support the necessity of a pharmacological correction of the isolated hyperthyrotropinemia in euthyroid obese patients because treatment with thyroid hormone does not significantly improve weight loss and the increase in serum TSH can be reversible after hypocaloric diet or bariatric surgery. On the other hand, obesity is linked to elevated leptin levels. Inflammation can raise the risk of Hashimoto thyroiditis, which increases the likelihood that obese patients will experience overt or subclinical hypothyroidism. Both metabolic syndrome and subclinical hypothyroidism are associated with atherosclerosis, liver and kidney disease. Hence, the association of these two illnesses may potentiate the adverse effects noted in each of them. Subclinical hypothyroidism should be identified in patients with obesity and treated with appropriate doses of L-thyroxine according to the lean body mass and body weight. Randomized controlled trials are necessary to verify whether treatment of thyroid deficiency could counteract the expected risks.
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Affiliation(s)
- Bernadette Biondi
- Division of Internal Medicine and Cardiovascular Endocrinology, Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
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9
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Fang T, Deng X, Wang J, Han F, Liu X, Liu Y, Sun B, Chen L. The effect of hypothyroidism on the risk of diabetes and its microvascular complications: a Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1288284. [PMID: 38116309 PMCID: PMC10728873 DOI: 10.3389/fendo.2023.1288284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/13/2023] [Indexed: 12/21/2023] Open
Abstract
Context Several observational studies have found that hypothyroidism is associated with diabetes and its microvascular complications. However, the cause and effect have not been clarified. Objective The aim of the study was to examine the causality of such associations by a Mendelian randomization study. Methods Two-sample Mendelian randomization analysis was conducted to investigate the associations. Summary statistics for hypothyroidism were from the UK Biobank, and diabetes and its microvascular complications were from the largest available genome-wide association studies. MR-Egger, weighted median, inverse variance weighted, simple mode and weighted mode were used to examine the causal associations, and several sensitivity analyses were used to assess pleiotropy. Results Inverse variance weighted estimates suggested that hypothyroidism was associated with type 1 diabetes and type 1 diabetes with renal complications (β= 9.059926, se= 1.762903, P = 2.76E-07 and β= 10.18375, se= 2.021879, P = 4.73E-07, respectively) but not type 2 diabetes and type 2 diabetes with renal complications. In addition, hypothyroidism was positively associated with severe nonproliferative diabetic retinopathy and proliferative diabetic retinopathy (β= 8.427943, se= 2.142493, P = 8.36E-05 and β= 3.100939, se= 0.74956, P=3.52E-05, respectively). Conclusions The study identified the causal roles of hypothyroidism in diabetes and its microvascular complications. Hypothyroidism can lead to type 1 diabetes, type 1 diabetes with renal complications, severe nonproliferative diabetic retinopathy and proliferative diabetic retinopathy.
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Affiliation(s)
- Ting Fang
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Xiaoqing Deng
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Jingyi Wang
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Fei Han
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Xiangyang Liu
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Yajin Liu
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Bei Sun
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Liming Chen
- NHC Key Laboratory of Hormones and Development, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
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10
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Smith ENL, Chandanathil M, Millis RM. Epigenetic Mechanisms in Obesity: Broadening Our Understanding of the Disease. Cureus 2023; 15:e47875. [PMID: 37899888 PMCID: PMC10612994 DOI: 10.7759/cureus.47875] [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: 10/28/2023] [Indexed: 10/31/2023] Open
Abstract
Now recognized as more than just the result of overeating or the consumption of poor-quality foods, obesity is understood to be a multifactorial disease, strongly correlated with a variety of environment-gene interactions. In addressing the complex public health issue of obesity, medical practitioners, along with their allied healthcare counterparts, face the challenge of reducing its prevalence by utilizing and sharing with patients the current, yet incomplete, scientific knowledge concerning the disease. While continued research is required to strengthen direct cause-effect relationships, substantial evidence links post-translational modifications such as DNA methylation and histone modifications of several candidate "obesity" genes to the predilection for obesity. Additional evidence supports the influence of maternal diet during the gestational period, individual diet, and other lifestyle and genetic factors in obesity. The purpose of this review is to synthesize the current information concerning epigenetic modifications that appear to support, or result from, the development of obesity. Such mechanisms may serve as therapeutic targets for developing novel prevention and/or treatment strategies for obesity or as epigenetic biomarkers for monitoring recovery.
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Affiliation(s)
- Erin N L Smith
- Graduate Studies, American University of Antigua, St. Johns, ATG
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11
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Calcaterra V, Magenes VC, Siccardo F, Hruby C, Basso M, Conte V, Maggioni G, Fabiano V, Russo S, Veggiotti P, Zuccotti G. Thyroid dysfunction in children and adolescents affected by undernourished and overnourished eating disorders. Front Nutr 2023; 10:1205331. [PMID: 37841407 PMCID: PMC10576529 DOI: 10.3389/fnut.2023.1205331] [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: 04/13/2023] [Accepted: 09/06/2023] [Indexed: 10/17/2023] Open
Abstract
Eating disorders (ED) are one of the most prevalent chronic disorders in adolescents and young adults, with a significantly increasing prevalence in younger children, particularly in girls. Even if obesity in essence is not framed as an eating disorder and has always been considered a separate pathology, ED and obesity could be considered part of a continuum. It has become evident that one condition can lead to another, such as binge eating disorder (BED) and bulimia nervosa, and that they share the same repercussions in terms of psychosocial, metabolic, and nutritional health. This narrative review aims to investigate the hypothalamic-pituitary-thyroid axis in undernourished and overnourished patients with ED, including obesity, in order to highlight the relationship between weight control and thyroid function and its effects and to consider therapeutic and preventive strategies in children and adolescents. Literature data report that thyroid alterations occur in patients with ED, both underweight and overweight, and represent a continuum of changes depending on the severity and time course of the disease involving the endocrine system. Considering the relevant role thyroid hormones (TH) play not only in energy expenditure (EE) but also in metabolic control and cardiovascular risks related to dysmetabolism and mood regulation, continuous monitoring of thyroid homeostasis in patients with ED is mandatory to prevent severe complications and to start early treatment when necessary.
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Affiliation(s)
- Valeria Calcaterra
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
- Department of Pediatric, Buzzi Children's Hospital, Milan, Italy
| | | | | | - Chiara Hruby
- Department of Pediatric, Buzzi Children's Hospital, Milan, Italy
| | - Martina Basso
- Child and Adolescent Neuropsychiatry Unit (UONPIA), ASST-Fatebenefratelli-Sacco, Milan, Italy
| | - Veronica Conte
- Child and Adolescent Neuropsychiatry Unit (UONPIA), ASST-Fatebenefratelli-Sacco, Milan, Italy
| | - Giulia Maggioni
- Child and Adolescent Neuropsychiatry Unit (UONPIA), ASST-Fatebenefratelli-Sacco, Milan, Italy
| | - Valentina Fabiano
- Department of Pediatric, Buzzi Children's Hospital, Milan, Italy
- Department of Biomedical and Clinical Science, University of Milano, Milan, Italy
| | - Susanna Russo
- Child and Adolescent Neuropsychiatry Unit (UONPIA), ASST-Fatebenefratelli-Sacco, Milan, Italy
| | - Pierangelo Veggiotti
- Department of Biomedical and Clinical Science, University of Milano, Milan, Italy
- Pediatric Neurology Unit, Buzzi Children's Hospital, Milan, Italy
| | - Gianvincenzo Zuccotti
- Department of Pediatric, Buzzi Children's Hospital, Milan, Italy
- Department of Biomedical and Clinical Science, University of Milano, Milan, Italy
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12
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Nikanorova AA, Barashkov NA, Pshennikova VG, Teryutin FM, Nakhodkin SS, Solovyev AV, Romanov GP, Burtseva TE, Fedorova SA. A Systematic Review and Meta-Analysis of Free Triiodothyronine (FT3) Levels in Humans Depending on Seasonal Air Temperature Changes: Is the Variation in FT3 Levels Related to Nonshivering Thermogenesis? Int J Mol Sci 2023; 24:14052. [PMID: 37762355 PMCID: PMC10531421 DOI: 10.3390/ijms241814052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Thyroid hormones play a crucial role in regulating normal development, growth, and metabolic function. However, the controversy surrounding seasonal changes in free triiodothyronine (FT3) levels remains unresolved. Therefore, the aim of this study was to conduct a systematic review and meta-analysis of variations in FT3 levels in relation to seasonal air temperatures in the context of current knowledge about its role in nonshivering thermogenesis. Ten eligible articles with a total of 336,755 participants were included in the meta-analysis. The studies were categorized into two groups based on the air temperature: "Cold winter", where the winter temperature fell below 0 °C, and "Warm winter", where the winter temperature was above 0 °C. The analysis revealed that in cold regions, FT3 levels decreased in winter compared to summer (I2 = 57%, p < 0.001), whereas in warm regions, FT3 levels increased during winter (I2 = 28%, p < 0.001). These findings suggest that seasonal variations in FT3 levels are likely to be influenced by the winter temperature. Considering the important role of the FT3 in the nonshivering thermogenesis process, we assume that this observed pattern is probably related to the differences in use of thyroid hormones in the brown adipose tissue during adaptive thermogenesis, which may depend on intensity of cold exposure.
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Affiliation(s)
- Alena A. Nikanorova
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
| | - Nikolay A. Barashkov
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
| | - Vera G. Pshennikova
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
| | - Fedor M. Teryutin
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
| | - Sergey S. Nakhodkin
- M.K. Ammosov North-Eastern Federal University, Kulakovskogo 46, 677013 Yakutsk, Russia; (S.S.N.); (A.V.S.); (G.P.R.)
| | - Aisen V. Solovyev
- M.K. Ammosov North-Eastern Federal University, Kulakovskogo 46, 677013 Yakutsk, Russia; (S.S.N.); (A.V.S.); (G.P.R.)
| | - Georgii P. Romanov
- M.K. Ammosov North-Eastern Federal University, Kulakovskogo 46, 677013 Yakutsk, Russia; (S.S.N.); (A.V.S.); (G.P.R.)
| | - Tatiana E. Burtseva
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
- M.K. Ammosov North-Eastern Federal University, Kulakovskogo 46, 677013 Yakutsk, Russia; (S.S.N.); (A.V.S.); (G.P.R.)
| | - Sardana A. Fedorova
- Yakut Science Centre of Complex Medical Problems, Yaroslavskogo 6/3, 677000 Yakutsk, Russia; (A.A.N.); (V.G.P.); (F.M.T.); (T.E.B.); (S.A.F.)
- M.K. Ammosov North-Eastern Federal University, Kulakovskogo 46, 677013 Yakutsk, Russia; (S.S.N.); (A.V.S.); (G.P.R.)
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13
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Lee F, Gallo MV, Schell LM, Jennings J, Lawrence DA, On The Environment ATF. Exposure of Akwesasne Mohawk women to polychlorinated biphenyls and hexachlorobenzene is associated with increased serum levels of thyroid peroxidase autoantibodies. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:597-613. [PMID: 37335069 DOI: 10.1080/15287394.2023.2226685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Persistent organic pollutants (POPs) including polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB), and dichlorodiphenyltrichloroethane (p,p'-DDT) were reported to influence immunological activity. As endocrine-disrupting chemicals (EDC), these pollutants may disrupt normal thyroid function and act as catalysts for development of autoimmune thyroid disease by directly and indirectly affecting levels of thyroid peroxidase antibodies (TPOAbs). Native American communities are disproportionately exposed to harmful toxicants and are at an increased risk of developing an autoimmune disease. The aim of this study was to determine the association between POPs and TPOAbs in serum obtained from Native American women. This assessment was used to measure whether increased risk of autoimmune thyroid disease occurred as a result of exposure to POPs. Data were collected from 183 Akwesasne Mohawk women, 21-38 years of age, between 2009 and 2013. Multivariate analyses were conducted to determine the association between toxicant exposure and levels of TPOAbs. In multiple logistic regression analyses, exposure to PCB congener 33 was related to elevated risk of individuals possessing above normal levels of TPOAbs. Further, HCB was associated with more than 2-fold higher risk of possessing above normal levels of TPOAbs compared to women with normal levels of TPOAbs. p,p'-DDE was not associated with TPOAb levels within this study. Exposure to PCB congener 33 and HCB was correlated with above normal levels of TPOAbs, a marker of autoimmune thyroid disease. Additional investigations are needed to establish the causes and factors surrounding autoimmune thyroid disease which are multiple and complex.
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Affiliation(s)
- Florence Lee
- Department of Anthropology, University at Albany, Albany, NY, USA
| | - Mia V Gallo
- Department of Anthropology, University at Albany, Albany, NY, USA
- Center for the Elimination of Minority Health Disparities, University at Albany, Albany, NY, USA
| | - Lawrence M Schell
- Department of Anthropology, University at Albany, Albany, NY, USA
- Center for the Elimination of Minority Health Disparities, University at Albany, Albany, NY, USA
- Department of Epidemiology and Biostatistics, University at Albany, Albany, NY, USA
| | - Julia Jennings
- Department of Anthropology, University at Albany, Albany, NY, USA
| | - David A Lawrence
- Wadsworth Center/New York State Department of Health, Albany, NY, USA
- Biomedical Sciences and Environmental Health Sciences, University at Albany, Albany, NY, USA
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14
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Bodor M, Mezősi E. Editorial: Thyroid function and its interaction with metabolic molecules. Front Endocrinol (Lausanne) 2023; 14:1249218. [PMID: 37621653 PMCID: PMC10446895 DOI: 10.3389/fendo.2023.1249218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 07/31/2023] [Indexed: 08/26/2023] Open
Affiliation(s)
- Miklós Bodor
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Clinical Basics, Faculty of Pharmacy, University of Debrecen, Debrecen, Hungary
| | - Emese Mezősi
- 1 Department of Internal Medicine, Clinical Center, Medical School, University of Pécs, Pécs, Hungary
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15
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Park HK, Ahima RS. Endocrine disorders associated with obesity. Best Pract Res Clin Obstet Gynaecol 2023; 90:102394. [PMID: 37523934 DOI: 10.1016/j.bpobgyn.2023.102394] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/05/2023] [Accepted: 07/12/2023] [Indexed: 08/02/2023]
Abstract
Several endocrine disorders, including diabetes, insulinoma, Cushing syndrome, hypothyroidism, polycystic ovarian syndrome, and growth hormone deficiency, are associated with obesity. The mechanisms underlying the development of obesity vary according to the abnormalities of endocrine function. The primary actions of insulin, glucocorticoids (GCs), thyroid hormone, and growth hormone are associated with energy metabolism in the liver, muscle, adipose tissue, and other tissues. This chapter describes the pathogenesis of obesity and metabolic dysfunction associated with excess insulin or GCs and the deficiency of thyroid hormone or growth hormone.
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Affiliation(s)
- Hyeong-Kyu Park
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, South Korea
| | - Rexford S Ahima
- Division of Endocrinology, Diabetes and Metabolism, Professor of Medicine, Public Health, and Nursing, Bloomberg Distinguished Professor of Diabetes, Johns Hopkins University, Baltimore, USA.
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16
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Csiha S, Molnár I, Halmi S, Hutkai D, Lőrincz H, Somodi S, Katkó M, Harangi M, Paragh G, Nagy EV, Berta E, Bodor M. Advanced glycation end products and their soluble receptor (sRAGE) in patients with Hashimoto's thyroiditis on levothyroxine substitution. Front Endocrinol (Lausanne) 2023; 14:1187725. [PMID: 37305044 PMCID: PMC10250717 DOI: 10.3389/fendo.2023.1187725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/09/2023] [Indexed: 06/13/2023] Open
Abstract
Background Advanced glycation end products (AGEs) are heterogenous group of irreversible chemical moieties originated from non-enzymatic glycation and oxidation of proteins, nucleic acids, and lipids. The engagement of AGEs with their chief cellular receptor (RAGE) activates a myriad of signaling pathways contributing to the progression of chronic diseases like autoimmune thyroiditis, type 2 diabetes mellitus and its complications. Soluble RAGE (sRAGE) prevents AGE-RAGE interaction in a competitive manner. Objective We investigated the association between serum AGE, sRAGE and thyroid function in 73 Hashimoto thyroiditis patients (HT) on levothyroxine substitution, and in 83 age, BMI and gender-matched healthy controls. Methods The serum AGEs levels were determined by autofluorescence on a multi-mode microplate reader, and the serum sRAGE levels by ELISA method. Results Mean AGE level was lower (10.71 vs 11.45 AU/µg protein; p=0.046), while mean sRAGE level was higher (923 vs 755 pg/mL; p<0.0005) in the serum of HT patients than the controls. AGE correlated with age, while sRAGE correlated negatively with BMI in both groups. We found negative correlation between AGE and fT3 levels (r=-0.32; p=0.006) and sRAGE and TSH levels (r=-0.27; p=0.022) in HT patients, while we failed to find association between AGE, sRAGE and parameters of thyroid function in the control group. Median AGE/sRAGE ratio was lower in HT patients than in controls (2.4, IQR 1.9 - 3.1 vs 3.3, IQR 2.3 - 4.1 AU/pg; p < 0.001). In HT patients, the AGE/sRAGE ratio correlated positively with BMI and correlated negatively with fT3. Conclusion According to our results in HT patients lower TSH and higher fT3 levels within the reference range is accompanied by a favorable AGE/RAGE balance. Further investigations are needed to confirm these results.
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Affiliation(s)
- Sára Csiha
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Clinical Basics, Faculty of Pharmacy, University of Debrecen, Debrecen, Hungary
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - István Molnár
- Department of Clinical Basics, Faculty of Pharmacy, University of Debrecen, Debrecen, Hungary
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Sándor Halmi
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - Dávid Hutkai
- Division of Nephrology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Kálmán Laki Doctoral School, University of Debrecen, Debrecen, Hungary
| | - Hajnalka Lőrincz
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Sándor Somodi
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Emergency Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Mónika Katkó
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Mariann Harangi
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Institute of Health Studies, Faculty of Health Sciences, University of Debrecen, Debrecen, Hungary
| | - György Paragh
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Endre V. Nagy
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Eszter Berta
- Department of Clinical Basics, Faculty of Pharmacy, University of Debrecen, Debrecen, Hungary
- Division of Metabolism, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Miklós Bodor
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Clinical Basics, Faculty of Pharmacy, University of Debrecen, Debrecen, Hungary
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17
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Le Moli R, Malandrino P, Russo M, Tumino D, Piticchio T, Naselli A, Rapicavoli V, Belfiore A, Frasca F. Levothyroxine therapy, calculated deiodinases activity and basal metabolic rate in obese or nonobese patients after total thyroidectomy for differentiated thyroid cancer, results of a retrospective observational study. Endocrinol Diabetes Metab 2023; 6:e406. [PMID: 36722311 PMCID: PMC10000637 DOI: 10.1002/edm2.406] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/26/2022] [Accepted: 01/02/2023] [Indexed: 02/02/2023] Open
Abstract
INTRODUCTION Therapy for hypothyroid obese patients is still under definition since the thyrotropin-stimulating hormone (TSH) level is a less reliable marker of euthyroidism than nonobese patients. Indeed, TSH levels positively correlate with body mass index (BMI), and this increase may be a compensatory mechanism aimed at increasing energy expenditure in obese people. In contrast, the correlation of BMI with thyroid hormone levels is not completely clear, and conflicting results have been obtained by several studies. The L-T4 replacement dose is more variable in obese hypothyroid patients than in nonobese patients, and a recent study indicated that the L-T4 replacement dose is related to lean body mass in obese thyroidectomized patients. We aimed to study the correlations of L-T4-administered dose, thyroid hormone levels and TSH secretion with basal metabolic rate (BMR) and total calculated deiodinase activity (GD) in obese and nonobese athyreotic patients. We also looked for individualized L-T4 replacement dose set points to be used in clinical practice. METHODS We studied retrospectively 160 athyreotic patients, 120 nonobese and 40 obese. GD was calculated by SPINA Thyr 4.2, the responsiveness of the hypothalamic/pituitary thyrotrope by Jostel's thyrotropin (TSH) index and BMR by the Mifflin-St. Jeor formula, the interplay of GD and BMR with L-T4, thyroid hormones and TSH index (TSHI) was also evaluated. RESULTS In our study, the L-T4 dose was an independent predictor of GD, and approximately 30% of athyreotic patients under L-T4 therapy had a reduced GD; FT4 levels were higher and negatively modulated by BMR in obese athyreotic patients respect to nonobese, in these patients a T4 to T3 shunt, in terms of TSHI suppression is observed suggesting a defective hypothalamic pituitary T4 to T3 conversion and a resistance to L-T4 replacement therapy. CONCLUSIONS L-t4 dose is the most important predictor of GD, BMR modulates T4 levels in obese athyreotic patients that are resistant to L-T4 replacement therapy.
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Affiliation(s)
- Rosario Le Moli
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Pasqualino Malandrino
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Marco Russo
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Dario Tumino
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Tommaso Piticchio
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Adriano Naselli
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Valentina Rapicavoli
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Antonino Belfiore
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
| | - Francesco Frasca
- Endocrinology Unit, Department of Clinical and Experimental MedicineUniversity of Catania, Garibaldi Nesima HospitalCataniaItaly
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18
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Roth L, Johann K, Hönes GS, Oelkrug R, Wagner L, Hoffmann A, Krohn K, Moeller LC, Weiner J, Heiker JT, Klöting N, Tönjes A, Stumvoll M, Blüher M, Mittag J, Krause K. Thyroid hormones regulate Zfp423 expression in regionally distinct adipose depots through direct and cell-autonomous action. Cell Rep 2023; 42:112088. [PMID: 36753417 DOI: 10.1016/j.celrep.2023.112088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 12/05/2022] [Accepted: 01/24/2023] [Indexed: 02/09/2023] Open
Abstract
The hypothalamic pituitary thyroid axis is a major regulator of many differentiation processes, including adipose tissue. However, it remains unclear whether and how thyroid hormone (TH) signaling contributes to preadipocyte commitment and differentiation into mature adipocytes. Here, we show a cell-autonomous effect of TH on the transcriptional regulation of zinc finger protein 423 (Zfp423), an early adipogenic determination factor, in murine adipose depots. Mechanistically, binding of the unliganded TH receptor to a negative TH responsive element within the Zfp423 promoter activates transcriptional activity that is reversed upon TH binding. Zfp423 upregulation is associated with increased GFP+ preadipocyte recruitment in stromal vascular fraction isolated from white fat of hypothyroid Zfp423GFP reporter mice. RNA sequencing identified Zfp423-driven gene programs that are modulated in response to TH during adipogenic differentiation. Collectively, we identified Zfp423 as a key molecule that integrates TH signaling into the regulation of adipose tissue plasticity.
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Affiliation(s)
- Lisa Roth
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Kornelia Johann
- Institute for Endocrinology and Diabetes/Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Georg Sebastian Hönes
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, 45122 Essen, Germany
| | - Rebecca Oelkrug
- Institute for Endocrinology and Diabetes/Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Leonie Wagner
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Anne Hoffmann
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, 04103 Leipzig, Germany
| | - Knut Krohn
- DNA Core Unit Leipzig, University of Leipzig, 04103 Leipzig, Germany
| | - Lars C Moeller
- Department of Endocrinology, Diabetes and Metabolism, University Hospital Essen, University of Duisburg-Essen, 45122 Essen, Germany
| | - Juliane Weiner
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - John T Heiker
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, 04103 Leipzig, Germany
| | - Nora Klöting
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, 04103 Leipzig, Germany
| | - Anke Tönjes
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany
| | - Michael Stumvoll
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany; Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, 04103 Leipzig, Germany
| | - Matthias Blüher
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany; Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, 04103 Leipzig, Germany
| | - Jens Mittag
- Institute for Endocrinology and Diabetes/Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Kerstin Krause
- Department of Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, 04103 Leipzig, Germany; Deutsches Zentrum für Diabetesforschung e.V., 85764 Neuherberg, Germany.
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Li J, Li Y, Shi X, Teng D, Teng X, Teng W, Shan Z. Prevalence and risk factors of hypothyroidism after universal salt iodisation: a large cross-sectional study from 31 provinces of China. BMJ Open 2023; 13:e064613. [PMID: 36854590 PMCID: PMC9980360 DOI: 10.1136/bmjopen-2022-064613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
Abstract
OBJECTIVES To investigate the prevalence and risk factors of hypothyroidism after universal salt iodisation for 20 years in mainland China. DESIGN Nationwide, cross-sectional survey. SETTING AND PARTICIPANTS The Thyroid Disorders, Iodine Status and Diabetes epidemiological study included adults from 31 provinces of China. Data included demographic, physical characteristics, urine, serum thyroid-stimulating hormone (TSH), thyroid-peroxidase antibody (TPOAb), thyroglobulin antibody (TgAb) and thyroid ultrasonography. Subclinical hypothyroidism (SCH) was classified into severe SCH (TSH >10 mU/L) and mild SCH (TSH 4.2-9.9 mU/L). A total of 78 470 (38 182 men and 40 288 women) participants were included in the final analysis. RESULTS The prevalence of hypothyroidism was 13.95%. The prevalence rates of overt hypothyroidism (OH) and SCH were 1.02% and 13.93%, which mild SCH was significantly higher than severe SCH (12.18% vs 0.75%). Prevalence was higher in women than in men, and this gender difference was noted among all age groups. The prevalence of mild SCH, severe SCH and OH increases by 1.16%, 1.40% and 1.29% for every 10 years older. TPOAb or/and TgAb positive were significantly associated with OH and severe SCH (OR 15.9, p<0.001). However, SCH was positively correlated with increased urine iodine concentration, but this correlation was only in antibody-negative female patients. In non-autoimmune and male populations, there was a U-shaped relationship between severe SCH and OH and urine iodine concentration. CONCLUSIONS Mild SCH is the most common form of hypothyroidism, which is related to iodine intake. Severe SCH is more similar to OH which autoimmune is the main cause. The various effects of iodine on hypothyroidism depend on thyroid autoimmune and gender.
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Affiliation(s)
- Jiashu Li
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yongze Li
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaoguang Shi
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Di Teng
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaochun Teng
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Weiping Teng
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhongyan Shan
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Hospital of China Medical University, Shenyang, Liaoning, China
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Tropeano A, Corica D, Curatola S, Li Pomi A, Casto C, Alibrandi A, Pepe G, Aversa T, Wasniewska M. The effect of obesity-related allostatic changes on cardio-metabolic risk in euthyroid children. J Endocrinol Invest 2023; 46:285-295. [PMID: 35986868 DOI: 10.1007/s40618-022-01899-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 08/09/2022] [Indexed: 01/25/2023]
Abstract
PURPOSE The hormonal thyroid changes related to obesity, even when in the euthyroid state, may contribute to the unfavorable cardio-metabolic profile of obese patients. In this retrospective study, we aim to investigate the biochemical thyroid changes and the association between serum TSH, FT4, FT3 and cardio-metabolic risk factors in euthyroid obese youths. METHODS Four hundred ninety-one Caucasian euthyroid obese children and adolescents aged 9.93 ± 2.90 years were recruited. Each patient underwent clinical and auxological examination and laboratory workup including an OGTT and the measurement of thyroid function and lipid profile. Homeostasis model assessment of insulin resistance (HOMA-IR), triglyceride to high-density lipoprotein cholesterol ratio, total cholesterol to HDL ratio, atherogenic index of plasma, insulinogenic index, area under the glucose and insulin curves were calculated. RESULTS We found that TSH was positively correlated with BMI-SDS values and significantly associated with hypercholesterolemia and hyperinsulinemia; FT4 resulted negatively correlated with BMI-SDS; FT3 was positively correlated with BMI-SDS and the area under the curve of insulin and negatively correlated with HDL. FT3 and FT4 resulted significantly associated with severe obesity. In addition, children with high-normal TSH values showed higher triglyceride to high-density lipoprotein cholesterol ratio values than those with normal TSH levels. CONCLUSIONS Our data showed that thyroid hormones could influence obesity, lipid and glycemic parameters in euthyroid youths. These findings could carry implications regarding optimal TSH levels in obese children and confirm the importance of evaluating the thyroid function as possible adjunctive cardio-metabolic risk factor related to obesity.
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Affiliation(s)
- A Tropeano
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - D Corica
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - S Curatola
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - A Li Pomi
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - C Casto
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - A Alibrandi
- Department of Economics, University of Messina, 98122, Messina, Italy
| | - G Pepe
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - T Aversa
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy
| | - M Wasniewska
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", Unit of Pediatrics, University of Messina, via Consolare Valeria, 98124, Messina, Italy.
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Tabandeh MR, Taha AS, Addai Ali H, Razijalali M, Mohammadtaghvaei N. Type 2 Diabetes Mellitus Coincident with Clinical and Subclinical Thyroid Dysfunctions Results in Dysregulation of Circulating Chemerin, Resistin and Visfatin. Biomedicines 2023; 11:biomedicines11020346. [PMID: 36830883 PMCID: PMC9952980 DOI: 10.3390/biomedicines11020346] [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: 08/05/2022] [Revised: 12/17/2022] [Accepted: 12/28/2022] [Indexed: 01/27/2023] Open
Abstract
The alterations of circulating adipocytokines have been reported in thyroid diseases or type 2 diabetes mellitus (T2DM), but such data in T2DM coincident with clinical and subclinical thyroid-dysfunctions are limited, and remain to be investigated. We studied the changes in serum chemerin, resisitin and visfatin in T2DM patients with thyroid dysfunctions, and their association with inflammatory and insulin resistance-markers. A total of 272 female and male Iranian participants were selected and divided into six groups: the euthyroid group, T2DM, T2DM coincident with clinical and sub clinical hypothyroidism (SC-HO, and C-HO), and T2DM coincident with clinical and sub clinical hyperthyroidism (SC-HR, C-HR).Demographic characteristics, serum levels of adipocytokines, thyroid hormones, inflammatory factors (IL1-β, IL-6 and CRP) and insulin resistance-markers were determined in all participants. T2DM patients with clinical thyroid dysfunctions showed higher levels of circulating resistin, visfatin, chemerin and inflammatory factors, compared with the T2DM group and T2DM coexisted with subclinical thyroid diseases. No significant differences were observed in circulating adipocytokines and inflammatory markers between T2DM coexisting with subclinical thyroid diseases and those without thyroid dysfunctions. Our results revealed that clinical thyroid dysfunction in T2DM patients was associated with elevated levels of circulating resistin, chemerin, visfatin and inflammatory factors, while no such alteration was detected in T2DM coincident with subclinical thyroid dysfunction.
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Affiliation(s)
- Mohammad Reza Tabandeh
- Department of Basic Sciences, Division of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz 6135783151, Iran
- Correspondence: ; Tel.: +98-61-33226601
| | - Amal Sattar Taha
- Department of Basic Sciences, Division of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz 6135783151, Iran
| | - Hanaa Addai Ali
- Department of Chemistry, Faculty of Science, University of Kufa, Najaf 54001, Iraq
| | - Mohammad Razijalali
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz 6135783151, Iran
| | - Narges Mohammadtaghvaei
- Department of Laboratory Sciences, School of Paramedical Sciences, Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 6135783151, Iran
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22
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Hu Y, Zhou F, Lei F, Lin L, Huang X, Sun T, Liu W, Zhang X, Cai J, She ZG, Li H. The nonlinear relationship between thyroid function parameters and metabolic dysfunction-associated fatty liver disease. Front Endocrinol (Lausanne) 2023; 14:1115354. [PMID: 36909326 PMCID: PMC9992977 DOI: 10.3389/fendo.2023.1115354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
BACKGROUND The relationship between thyroid function parameters and metabolic dysfunction-associated fatty liver disease (MAFLD) remains controversial. Additionally, little is known about the relationship between thyroid function parameters and MAFLD in the Chinese population. METHODS We conducted a retrospective cross-sectional study involving 177,540 individuals with thyroid function tests and MAFLD diagnosis from 2010-2018. The association between thyroid function parameters and MAFLD was evaluated on a continuous scale with restricted cubic spline (RCS) models and by the prior-defined centile categories with multivariable-adjusted logistic regression models. Thyroid function parameters included free triiodothyronine (FT3), free tetra-iodothyronine (FT4), and thyroid stimulating hormone (TSH). Additionally, fully adjusted RCS models stratified by sex, age, and location were studied. RESULTS In the RCS models, the risk of MAFLD increased with higher levels of FT3 when FT3 <5.58pmol/L, while the risk of MAFLD decreased with higher levels of FT3 when FT3 ≥5.58pmol/L (P nonlinearity <0.05). While RCS analysis suggested that the FT4 levels had a negative association with MAFLD (P nonlinearity <0.05), indicating an increase in FT4 levels was associated with a decreased risk of MAFLD. RCS analysis suggested an overall positive association between the concentration of TSH and MAFLD risk (P nonlinearity <0.05). The rising slope was sharper when the TSH concentration was less than 1.79uIU/mL, which indicated the association between TSH and MAFLD risk was tightly interrelated within this range. The multivariable logistic regression showed that populations in the 81st-95th centile had the highest risk of MAFLD among all centiles of FT3/TSH, with the 1st-5th centile as the reference category. CONCLUSIONS Our study suggested nonlinear relationships between thyroid function parameters and MAFLD. Thyroid function parameters could be additional modifiable risk factors apart from the proven risk factors to steer new avenues regarding MAFLD prevention and treatment.
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Affiliation(s)
- Yingying Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Fan Zhou
- Department of Gastroenterology, Huanggang Central Hospital of Yangtze University, Huanggang, China
- Huanggang Institute of Translational Medicine, Huanggang, China
| | - Fang Lei
- Institute of Model Animal, Wuhan University, Wuhan, China
- School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Lijin Lin
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Xuewei Huang
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Tao Sun
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Weifang Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
| | - Xingyuan Zhang
- Institute of Model Animal, Wuhan University, Wuhan, China
- School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Jingjing Cai
- Institute of Model Animal, Wuhan University, Wuhan, China
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhi-Gang She
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
- *Correspondence: Hongliang Li, ; Zhi-Gang She,
| | - Hongliang Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal, Wuhan University, Wuhan, China
- *Correspondence: Hongliang Li, ; Zhi-Gang She,
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Abiri B, Ahmadi AR, Mahdavi M, Hosseinpanah F, Amouzegar A, Valizadeh M. Association between different metabolic phenotypes and the development of hypothyroidism: 9 years follow-up of Tehran thyroid study. Front Endocrinol (Lausanne) 2023; 14:1134983. [PMID: 36967773 PMCID: PMC10036795 DOI: 10.3389/fendo.2023.1134983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/24/2023] [Indexed: 03/12/2023] Open
Abstract
PURPOSE The association between metabolic phenotypes and thyroid function has not yet been established; therefore, this study examined whether different metabolic phenotypes are associated with the development of hypothyroidism. METHODS Study participants were selected from the Tehran Thyroid Study (TTS). A total of 3338 euthyroid adults were included and categorized into four obesity phenotype groups: metabolically healthy normal weight (MHNW), metabolically healthy obese (MHO), metabolically unhealthy normal weight (MUNW), and metabolically unhealthy obese (MUO). The participants were assessed at baseline and during three follow-up studies at three-year intervals. Multiple logistic regression analysis was used to examine the relationship between metabolic phenotypes and the development of hypothyroidism. RESULTS In the total population, the chi-square test was only significant (P=0.008) in 3rd year with a higher prevalence of hypothyroidism in the MUNW phenotype, followed by MHO, MUO, and MHNW. Moreover, in the 3rd and 9th years of follow-up, hypothyroidism was more prevalent in MUO only in male subjects (P=0.002 and 0.035, respectively). In the unadjusted model, the MHO phenotype increased the odds of hypothyroidism compared with the MHNW phenotype (OR=1.51; 95% CI=1.04, 2.18; P-value=0.031). After adjusting for confounding factors, the odds of hypothyroidism were higher in the MUNW (OR=1.86; 95% CI=1.17, 2.96; P-value=0.008), MHO (OR=1.71; 95% CI=1.09, 2.67; P-value=0.018), and MUO (OR=1.64; 95% CI=1.03, 2.62; P-value=0.036) phenotypes than in the MHNW group. The MUNW phenotype increased the risk of hypothyroidism compared to MHNW, only in males. However, in females, the MHO phenotype increased the risk of hypothyroidism compared to MHNW. CONCLUSION Both obesity and metabolic abnormalities are associated with hyperthyroidism. Healthy metabolic and weight maintenance were associated with a lower risk of hypothyroidism in males and females.
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Affiliation(s)
- Behnaz Abiri
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Maryam Mahdavi
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farhad Hosseinpanah
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atieh Amouzegar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Valizadeh
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Majid Valizadeh,
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Song B, Lu C, Teng D, Shan Z, Teng W. Association between different metabolic phenotypes of obesity and thyroid disorders among Chinese adults: a nationwide cross-sectional study. Front Endocrinol (Lausanne) 2023; 14:1158013. [PMID: 37152970 PMCID: PMC10162017 DOI: 10.3389/fendo.2023.1158013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/05/2023] [Indexed: 05/09/2023] Open
Abstract
Background Increased body mass index (BMI) and metabolic abnormalities both have potential associations with thyroid disease. The aim of this study was to investigate the correlation between different metabolic phenotypes of obesity and thyroid disorders using nationwide data from China. Methods Data were collected from a cross-sectional survey called the Thyroid Disorders, Iodine Status, and Diabetes Epidemiological Survey conducted between 2015 and 2017 in China. A total of 69007 subjects aged 18 years or older were defined and divided into six groups on the basis of BMI and metabolic health status: metabolically healthy normal weight (MHNW), metabolically unhealthy normal weight (MUNW), metabolically healthy overweight (MHOW), metabolically unhealthy overweight (MUOW), metabolically healthy obesity (MHO), and metabolically unhealthy obesity (MUO). We estimated the odds ratios (ORs) and confidence intervals [CIs] for different thyroid disorders according to metabolic phenotypes using multivariate logistic regression models. Results In our study, we found that the prevalence of subclinical hypothyroidism was almost as high in the MUNW group as in the MUO group, the prevalence of overt hyperthyroidism was highest in the MUNW group and Graves' disease was highest in the MHO group. Our results also suggested that the prevalence of goiter and thyroid nodules increased with increased BMI values and that the MUO group had the highest incidence. Multivariate logistic regression analysis indicated that subjects with unhealthy metabolic phenotypes (MUNW, MUOW, and MUO) all had an increased risk of subclinical hypothyroidism, regardless of their BMI. MUNW subjects had an approximately 1.6-fold higher risk of overt hyperthyroidism and a 1.8-fold higher risk of Graves' disease than their metabolically healthy counterparts (MHNW). The present study also demonstrated that the MUO group had the highest risk of goiter and thyroid nodules among the metabolic phenotypes of obesity. Conclusion Based on our study, we found that metabolic abnormalities and obesity play different roles in various thyroid diseases. Metabolically unhealthy individuals, both with and without obesity, have a higher risk of thyroid disorders than metabolically healthy individuals without obesity.
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Corica D, Licenziati MR, Calcaterra V, Currò M, Di Mento C, Curatola S, Zuccotti G, Alibrandi A, Ientile R, Aversa T, Wasniewska M. Central and peripheral sensitivity to thyroid hormones and glucose metabolism in prepubertal children with obesity: pilot multicenter evaluation. Endocrine 2022; 80:308-311. [PMID: 36484935 DOI: 10.1007/s12020-022-03276-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE An alteration of central and peripheral sensitivity to thyroid hormones (THs) seems to be associated with an increased risk of prediabetes in adulthood. Aims of this study was to evaluate the relationship between the sensitivity to THs, the severity of overweight and the glyco-metabolic alterations in prepubertal euthyroid children with obesity. METHODS Prepubertal subjects with simple obesity and matched controls were recruited from three Italian pediatric endocrinology centers and underwent clinical and biochemical evaluations. HOMA-IR, HOMA-β, insulinogenic index, Matsuda index were evaluated in children with obesity. Indexes of peripheral sensitivity (FT3/FT4 ratio) and central sensitivity (TSH index, TSHI; TSH T4 resistance index, TT4RI; Thyroid Feedback Quantile-based Index, TFQI; Parametric TFQI, PTFQI) to thyroid hormones were calculated in both groups. RESULTS Eighty prepubertal children with obesity (Group 1; mean age 7.60 ± 1.51 years) and 28 healthy normal-weight controls (Group 2) were recruited. BMI and leptin were higher in group 1 than in group 2. The FT3/FT4 ratio correlated negatively with HOMA-β (r = -0.29; p = 0.01) and was significantly positively associated with BMI (p = 0.03), IR (p = 0.03) and fasting blood glucose (p = 0.04) in group 1. TT4RI, TSHI, PTFQI, TFQI, were significantly negatively associated with Matsuda-index, IGI and BMI in group 1. CONCLUSION Central and peripheral sensitivity to thyroid hormones is significantly affected by the severity of overweight and the presence of IR. Altered tissue sensitivity to THs in the prepubertal children with obesity could be implicated in the pathogenesis of glucose metabolism impairment.
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Affiliation(s)
- Domenico Corica
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy.
| | - Maria Rosaria Licenziati
- Neuroendocrine Diseases-Obesity Centre Unit, Department of Neurosciences, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Valeria Calcaterra
- Department of Internal Medicine, University of Pavia, Pavia, Italy
- Pediatric Department, "V. Buzzi" Children's Hospital, Milan, Italy
| | - Monica Currò
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, Italy
| | - Claudia Di Mento
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Selenia Curatola
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Gianvincenzo Zuccotti
- Pediatric Department, "V. Buzzi" Children's Hospital, Milan, Italy
- Department of Biomedical and Clinical Science, University of Milan, 20157, Milan, Italy
| | | | - Riccardo Ientile
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, Italy
| | - Tommaso Aversa
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
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Fierabracci P, Basolo A, Scartabelli G, Bechi Genzano S, Salvetti G, Sotgia G, Rotondi M, Chiovato L, Ceccarini G, Santini F. Possible added value of thyroglobulin antibody (TgAb) testing in the evaluation of thyroidal status of subjects with overweight or obesity. J Endocrinol Invest 2022; 45:2077-2084. [PMID: 35781791 PMCID: PMC9525400 DOI: 10.1007/s40618-022-01839-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/08/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE An increase in serum TSH concentrations in the absence of thyroid disease, named isolated hyperthyrotropinemia, is frequently observed in subjects with obesity. It is directly associated with body mass index, and it is reversible following weight loss. Autoimmune hypothyroidism is frequently associated with obesity, it is usually progressive and needs replacement treatment with L-thyroxine. The aim of this study was to investigate the role of thyroglobulin antibodies (TgAb) to define the thyroidal status in subjects with overweight or obesity. METHODS This is a retrospective study including 749 consecutive adult patients with overweight or obesity. Of those, 76 were excluded from the analysis due to hyperthyroidism, previous thyroidectomy or radioiodine therapy for hyperthyroidism, hemiagenesis or drug-induced hypothyroidism. Serum thyrotropin (TSH), free thyroxine (FT4), free 3,5,3'-triiodothyronine (FT3), TgAb and thyroperoxidase antibodies (TPOAb) were measured in all patients. RESULTS Out of 673 patients, 408 did not have thyroid disease. Among patients with thyroid disease (n = 265), 130 had nodular disease with no humoral signs of thyroid autoimmunity and 135 (20%) had autoimmune thyroiditis, defined by the presence of TPOAb and/or TgAb. The prevalence of hyperthyrotropinemia, either directly measured or presumed based on L-thyroxine treatment at the time of data collection, was 63.9% in patients with both TgAb and TPOAb, 47.1% in those with isolated positivity of TPOAb, 42.8% in patients with isolated positivity of TgAb, and 14.5% in those with no detectable TgAb or TPOAb. CONCLUSIONS Our results confirm a high prevalence of autoimmune thyroiditis (20%) in patients with obesity. TgAb may be associated with hypothyroidism in the absence of TPOAb. TgAb measurement may turn helpful to unravel a proportion of subjects that may have or may develop primary hypothyroidism requiring specific substitutive treatment.
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Affiliation(s)
- P. Fierabracci
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - A. Basolo
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - G. Scartabelli
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - S. Bechi Genzano
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - G. Salvetti
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - G. Sotgia
- Consorzio Metis, University Hospital of Pisa, 56124 Pisa, PI Italy
| | - M. Rotondi
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, PV Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, Via S. Maugeri 4, 27100 Pavia, PV Italy
| | - L. Chiovato
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Istituti Clinici Scientifici Maugeri IRCCS, 27100 Pavia, PV Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, Via S. Maugeri 4, 27100 Pavia, PV Italy
| | - G. Ceccarini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - F. Santini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Via Paradisa 2, 56124 Pisa, Italy
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Matrone A, Basolo A, Santini F, Elisei R. Understanding the effect of obesity on papillary thyroid cancer: is there a need for tailored diagnostic and therapeutic management? Expert Rev Endocrinol Metab 2022; 17:475-484. [PMID: 36203362 DOI: 10.1080/17446651.2022.2131529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 09/29/2022] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Several studies have focused on the relationship between obesity and differentiated thyroid carcinoma (DTC), particularly papillary histotype (PTC). However, the association of obesity with both incidence and aggressiveness of PTC is still incompletely understood. AREAS COVERED We reviewed the mechanisms underlying the cross talk between obesity and thyroid carcinomas and described the most recent evidence evaluating the effect of obesity on the development of PTC, as well as the impact of excessive body weight on the clinicopathologic features and outcome of this type of cancer. EXPERT OPINION Available evidence suggests that excessive body weight is linked with a higher risk of getting PTC, while its impact on the aggressiveness of the disease, if present, is still not clear. Therefore, while attention should be paid to discover thyroid cancer in patients with obesity earlier, once diagnosed it should be managed following a conventional workup as in normal weight patients, based on the clinical presentation of the disease and including active surveillance if appropriate, as recommended by referral guidelines.
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Affiliation(s)
- Antonio Matrone
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Alessio Basolo
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Ferruccio Santini
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Rossella Elisei
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
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Velluzzi F, Pisanu S, Galletta M, Fosci M, Secci G, Deledda A, Boi F, Rodia R, Fanciulli G, Delitala AP, Sainas G, Loviselli A. Association between High Normal TSH Levels and Obesity in Women with Anti-Thyroid Autoantibodies (ATAs). J Clin Med 2022; 11:jcm11175125. [PMID: 36079055 PMCID: PMC9457091 DOI: 10.3390/jcm11175125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/06/2022] [Accepted: 08/27/2022] [Indexed: 11/16/2022] Open
Abstract
A positive correlation between Thyroid-Stimulating Hormone (TSH) and Body Mass Index (BMI) has been reported in many studies, but data on this topic remain controversial, especially when TSH values are in the normal range. Moreover, few studies have evaluated the co-existence of thyroid autoimmunity. This study investigated the role of thyroid autoimmunity in the interconnection between TSH, BMI, and waist circumference (WC) in euthyroid patients with overweight or obesity. We enrolled 902 patients (213 males; mean age ± SD: 45 ± 14 years; mean BMI ± SD: 35.8 ± 6.5 kg/m2), with normal serum TSH concentration; anti-thyroid autoantibodies (ATAs) were evaluated in 752 patients (186 males). Patients were divided into four BMI classes, based on WHO criteria, and the relationship between BMI, WC, and TSH was evaluated in the whole sample and compared to ATAs positivity, observed in 235 patients (44 males). No significant difference was found between TSH levels in the BMI classes. A statistically significant correlation between TSH and BMI was found only in ATAs-positive females (N = 191, Spearman rho: 0.149; p-value: 0.040). However, this finding was not confirmed when considering the WC. Our study shows a positive correlation only between TSH and BMI in obese women with positive ATAs, suggesting that in these patients, the high normal levels of TSH could be attributed to a mild thyroid failure with a possible worsening obesity-related effect, and both need a careful evaluation.
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Affiliation(s)
- Fernanda Velluzzi
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Silvia Pisanu
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Maura Galletta
- Hygiene Section, Department of Medical Sciences and Public Health, University of Cagliari, 09042 Cagliari, Italy
| | - Michele Fosci
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
- Correspondence:
| | - Gianni Secci
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Andrea Deledda
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Francesco Boi
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Rossella Rodia
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Giuseppe Fanciulli
- Department of Surgical, Medical and Experimental Sciences, University of Sassari-Endocrine Unit, AOU Sassari, 07100 Sassari, Italy
| | - Alessandro Palmerio Delitala
- Department of Surgical, Medical and Experimental Sciences, University of Sassari-Endocrine Unit, AOU Sassari, 07100 Sassari, Italy
| | - Gianmarco Sainas
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
| | - Andrea Loviselli
- Endocrinology, and Obesity Unit, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy
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Halada S, Casado-Medrano V, Baran JA, Lee J, Chinmay P, Bauer AJ, Franco AT. Hormonal Crosstalk Between Thyroid and Breast Cancer. Endocrinology 2022; 163:6588704. [PMID: 35587175 PMCID: PMC9653009 DOI: 10.1210/endocr/bqac075] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Indexed: 12/09/2022]
Abstract
Differentiated thyroid cancer and breast cancer account for a significant portion of endocrine-related malignancies and predominately affect women. As hormonally responsive tissues, the breast and thyroid share endocrine signaling. Breast cells are responsive to thyroid hormone signaling and are affected by altered thyroid hormone levels. Thyroid cells are responsive to sex hormones, particularly estrogen, and undergo protumorigenic processes upon estrogen stimulation. Thyroid and sex hormones also display significant transcriptional crosstalk that influences oncogenesis and treatment sensitivity. Obesity-related adipocyte alterations-adipocyte estrogen production, inflammation, feeding hormone dysregulation, and metabolic syndromes-promote hormonal alterations in breast and thyroid tissues. Environmental toxicants disrupt endocrine systems, including breast and thyroid homeostasis, and influence pathologic processes in both organs through hormone mimetic action. In this brief review, we discuss the hormonal connections between the breast and thyroid and perspectives on hormonal therapies for breast and thyroid cancer. Future research efforts should acknowledge and further explore the hormonal crosstalk of these tissues in an effort to further understand the prevalence of thyroid and breast cancer in women and to identify potential therapeutic options.
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Affiliation(s)
- Stephen Halada
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Victoria Casado-Medrano
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Julia A Baran
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Joshua Lee
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Poojita Chinmay
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Andrew J Bauer
- Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Aime T Franco
- Correspondence: Aime T. Franco, Ph.D., Pediatric Thyroid Center Translational Laboratory, The University of Pennsylvania and Children’s Hospital of Philadelphia, 3615 Civic Center Blvd, Philadelphia, PA 19104, USA.
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Koçak FÖK, Savas S, Saraç ZF. Predictability Of Metabolic Syndrome Diagnosed By Body Mass Index For Cardiovascular Risk In Older Patients Treated With Levothyroxine. Ann Geriatr Med Res 2022; 26:148-155. [PMID: 35728931 PMCID: PMC9271402 DOI: 10.4235/agmr.22.0019] [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: 03/04/2022] [Accepted: 05/12/2022] [Indexed: 11/26/2022] Open
Abstract
Background We investigated the prevalence and metabolic features of two definitions of metabolic syndrome (MS) between older patients with chronic thyroiditis treated with levothyroxine (LT4) and controls. We also assessed the ability of both criteria to predict cardiovascular (CV) risk. Methods This cross-sectional, retrospective study included individuals aged ≥60 years who attended a geriatric outpatient clinic between January 2015 and December 2018. The LT4 treatment group was classified as having high or low CV risk based on the Framingham score. Results This study enrolled 111 patients with chronic thyroiditis treated with LT4 and 131 patients without thyroid disease as the control group. The prevalence of MS according to the World Health Organization (WHO) criteria and American Association of Clinical (AACE) criteria was similar in the LT4 treatment (21.6% and 26.1%, respectively) and the control (30.5% and 34.4%, respectively) groups (p>0.05). While the prevalence of MS and CV risk did not differ significantly between the control and LT4 treatment groups, the prevalence of MS with both definitions was higher among individuals with high CV risk in the LT4 treatment group (p<0.05). For the prediction of CV risk, the sensitivity and specificity of the AACE criteria were higher than those of the WHO criteria in the LT4 treatment group. Conclusions The prevalence of MS in euthyroid patients treated with LT4 was similar to that of patients without thyroid disease. When the LT4 treatment group was classified based on CV risk, MS was more common in those with a high CV risk.
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Affiliation(s)
- Fatma Özge Kayhan Koçak
- Division of Geriatrics, Department of Internal Medicine, Faculty of Medicine, Ege University, Izmir, Turkey
- Corresponding Author: Fatma Ozge Kayhan Kocak, MD Division of Geriatrics, Department of Internal Medicine, Faculty of Medicine, Ege University, Rektörlüğü Gençlik Caddesi No: 12, Bornova 35040, Izmir, Turkey E-mail:
| | - Sumru Savas
- Division of Geriatrics, Department of Internal Medicine, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Zeliha Fulden Saraç
- Division of Geriatrics, Department of Internal Medicine, Faculty of Medicine, Ege University, Izmir, Turkey
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Mityukova ТA, Chudilovskaya EN, Basalai AA. Reactivity of the Thyroid System to Short-Term Stress in Wistar Rats with Visceral Obesity and Restricted Social Activity. J EVOL BIOCHEM PHYS+ 2022; 58:465-475. [PMID: 35599640 PMCID: PMC9109671 DOI: 10.1134/s0022093022020156] [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: 12/16/2021] [Revised: 01/21/2022] [Accepted: 01/22/2022] [Indexed: 11/23/2022]
Abstract
The obesity problem requires a study of its pathophysiological
consequences affecting hormonal regulation and organism’s reactivity
to extreme exposures. The study was aimed first to examine the effect
of a high-calorie diet and social isolation, as well as their combination
for 4 months, on the development of obesity, its metabolic and behavioral
sequelae, features of the thyroid status, while at the second stage,
to assess the reaction of hormonal indices of the thyroid status
to short-term stress in rats. The experiments were carried out on
male Wistar rats and at the first stage focused on the effects of
a high-calorie diet and social isolation, as well as their combinations
for 4 months. At the end of the experiment, behavioral reactions,
metabolic syndrome indices, thyroid status, and cortisol levels
were evaluated. At the second stage, the animals were exposed to
short-term acute stress, and the shifts in the hormonal indices
were recorded one hour later versus the initial background. A high-calorie
diet led to the development of metabolic syndrome, signs of depression,
increased thyroid-stimulating hormone (TSH), thyroxine and triiodothyronine
serum levels, as well as iodothyronine deiodinase type 1 (D1) activity,
in the rat liver. At the same time, there was a decrease in thyroperoxidase
activity and an increase in thyroid levels of triglycerides and malondialdehyde.
The physiological response to stress in the control rat group included
an increase in cortisol and TSH serum levels, however, against the
background of a high-calorie diet, no cortisol release into the
bloodstream was recorded. Social isolation did not alter normal
reactivity of the adrenal cortex, but reduced TSH release in response
to acute stress, since the initial level of this hormone was slightly
elevated against the background of chronic social isolation stress.
Thus, excessive nutrition and the deficit of social activities in
male Wistar rats led to significant changes in the organism’s reactivity
to acute stress.
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Affiliation(s)
- Т. A. Mityukova
- Institute of Physiology, National
Academy of Sciences of Belarus, Minsk, Belarus
| | - E. N. Chudilovskaya
- Institute of Physiology, National
Academy of Sciences of Belarus, Minsk, Belarus
| | - A. A. Basalai
- Institute of Physiology, National
Academy of Sciences of Belarus, Minsk, Belarus
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Zavros A, Giannaki CD, Aphamis G, Roupa Z, Andreou E. The Effects of Zinc and Selenium Supplementation on Body Composition and Thyroid Function in Individuals with Overweight or Obesity: A Systematic Review. J Diet Suppl 2022:1-29. [PMID: 35532055 DOI: 10.1080/19390211.2022.2072044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
People with obesity have been found to have lower zinc (Zn) and selenium (Se) circulatory levels and abnormal thyroid function than people with normal weight. Studies about the effects of Zn and Se supplementation on body composition and thyroid function of overweight-obese people showed inconsistent results. A systematic review of randomized controlled trials was conducted to determine the effects of Ζn supplementation, Se supplementation, and their combination on body composition and thyroid function of individuals with overweight or obesity. Databases of PubMed, ScienceDirect, and Cochrane, were searched from inception to February 27, 2022, to identify relevant articles. For the assessment of the methodological quality of the studies, the Jadad scale was used. After screening the articles, thirteen studies were finally included and were analyzed using the strength of the evidence approach. Regarding the effectiveness of Zn supplementation on body composition, moderate evidence was found, while the effects of Se were found to be mixed. Zn supplementation was found to affect the thyroid function of people with overweight or obesity by increasing their free triiodothyronine (FT3) levels. However, this result is based only on one study among hypothyroid patients. At this point, the effectiveness of Zn, Se, and their combination, on the body composition and the thyroid function of people with overweight or obesity cannot safely be determined because of the controversial results, small number, and the limitations of the identified studies. The results of this systematic review must be interpreted with caution due to the limitations detected.
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Affiliation(s)
- Antonis Zavros
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | | | - George Aphamis
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | - Zoe Roupa
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | - Eleni Andreou
- Department of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
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Franco CN, Noe MM, Albrecht LV. Metabolism and Endocrine Disorders: What Wnt Wrong? Front Endocrinol (Lausanne) 2022; 13:887037. [PMID: 35600583 PMCID: PMC9120667 DOI: 10.3389/fendo.2022.887037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/07/2022] [Indexed: 12/12/2022] Open
Abstract
A fundamental question in cell biology underlies how nutrients are regenerated to maintain and renew tissues. Physiologically, the canonical Wnt signaling is a vital pathway for cell growth, tissue remodeling, and organ formation; pathologically, Wnt signaling contributes to the development of myriad human diseases such as cancer. Despite being the focus of intense research, how Wnt intersects with the metabolic networks to promote tissue growth and remodeling has remained mysterious. Our understanding of metabolism has been revolutionized by technological advances in the fields of chemical biology, metabolomics, and live microscopy that have now made it possible to visualize and manipulate metabolism in living cells and tissues. The application of these toolsets to innovative model systems have propelled the Wnt field into new realms at the forefront answering the most pressing paradigms of cell metabolism in health and disease states. Elucidating the basis of Wnt signaling and metabolism in a cell-type and tissue-specific manner will provide a powerful base of knowledge for both basic biomedical fields and clinician scientists, and has the promise to generate new, transformative therapies in disease and even processes of aging.
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Affiliation(s)
- Carolina N. Franco
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA, United States
| | - May M. Noe
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA, United States
| | - Lauren V. Albrecht
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA, United States
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA, United States
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Selected Organ and Endocrine Complications According to BMI and the Metabolic Category of Obesity: A Single Endocrine Center Study. Nutrients 2022; 14:nu14061307. [PMID: 35334964 PMCID: PMC8954480 DOI: 10.3390/nu14061307] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/01/2023] Open
Abstract
Obesity is a chronic and complex disease associated with metabolic, organ and endocrine complications. In the study, we analyzed a group of 105 patients suffering from obesity without any other previously recognized serious disorders who had been referred to a single endocrine center. The study aimed to assess the prevalence of selected organ and endocrine complications by subdividing the group, firstly according to body mass index (BMI) and secondly with regard to metabolic syndrome (MetS), pre-MetS and the metabolically healthy obesity (MHO) category. We have observed that in our groups, the prevalence of hyperlipidemia, hypertension, asthma, obstructive sleep apnea (OSA) depended on BMI category, whereas the incidence of hyperlipidemia, hypertension, OSA, hypothyroidism, non-alcoholic fatty liver disease, prediabetes, and type 2 diabetes was related to the metabolic category. We concluded that the distribution of particular organ and endocrine complications change significantly with increased BMI and with the shift from MHO to pre-MetS and MetS. Thus, to determine the risk of organ and endocrine complications more effectively, BMI and metabolic status should be assessed during the examination of patients with obesity.
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Yang H, Xia Q, Shen Y, Chen TL, Wang J, Lu YY. Gender-Specific Impact of Metabolic Obesity Phenotypes on the Risk of Hashimoto’s Thyroiditis: A Retrospective Data Analysis Using a Health Check-Up Database. J Inflamm Res 2022; 15:827-837. [PMID: 35173456 PMCID: PMC8835981 DOI: 10.2147/jir.s353384] [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: 12/10/2021] [Accepted: 01/28/2022] [Indexed: 11/23/2022] Open
Abstract
Background Hashimoto’s thyroiditis (HT) is recognized as the most common autoimmune thyroid disease, often accompanied by the diffuse enlargement of thyroid with abundant blood flow and elevated level of thyroid autoantibodies. As obesity had a positive association with the risk of HT. Thus, this retrospective study was established to further explore the gender relationship between metabolic obesity phenotypes and the risk of Hashimoto’s thyroiditis (HT). Materials and Methods Data for 3697 subjects aged ≥18 years were randomly collected from a Health check-up database from April to December 2019. Obesity was defined by general obesity (GO; body mass index [BMI] ≥28 kg/m2) and abdominal obesity (AO; waist circumstance, male ≥90 cm, female ≥85 cm). Metabolic unhealthy was defined as having at least one metabolic syndrome component and a homeostasis model assessment of insulin resistance ≥2.5. Obesity phenotypes were divided into three groups: GO, AO, compound obesity (GO+AO). After adjustment for potential confounding factors, multivariate logistic regression was used to assess the association between metabolic obesity phenotypes and risk of HT by sex and explore the correlation between different obesity patterns and HT risk by metabolic health status. Results The incidence of HT was 23.5% and significantly higher among females than males with different metabolic phenotypes (26.2% vs 20.5%, p<0.05), except metabolically healthy AO. Compared with non-obese subjects, different metabolic obesity phenotypes were independent risk factors among males (p<0.05). Among females, unhealthy metabolic status with GO (adjusted odds ratio [OR]=2.62) or AO (adjusted OR=2.87) and metabolically healthy non-GO (adjusted OR=2.05) were risk factors of HT (p<0.05). Increasing BMI categories and waist circumstance quartiles were positively correlated with HT risk (p for trend <0.05). Subgroup analyses indicated that GO+AO (adjusted OR=2.52) or only AO (adjusted OR=2.41) were risk factors for HT for those with unhealthy metabolic status. Moreover, GO+AO (adjusted OR=2.37) was an independent risk factor for HT under healthy metabolic status. Conclusion GO+AO was associated with an increased risk of HT, identifying higher BMI/WC as a significant risk factor for HT. Males with unhealthy metabolic state or obesity and metabolically unhealthy females with obesity are high-risk group for HT. Additionally, only AO and GO+AO conferred increased risk of HT for individuals with metabolic abnormalities.
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Affiliation(s)
- Hao Yang
- Department of Stomatology, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
| | - Qing Xia
- Health Examination Center, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
| | - Yan Shen
- Health Examination Center, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
| | - Ting-Li Chen
- Department of Ophthalmology, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
| | - Jing Wang
- Department of Ophthalmology, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
| | - Ya-Yun Lu
- Health Examination Center, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China
- Correspondence: Ya-Yun Lu, Health Examination Center, Huadong Sanatorium, Wuxi, 214065, People’s Republic of China, Tel +86 13763384379, Email
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Basolo A, Poma AM, Giannini R, Ceccarini G, Pelosini C, Fierabracci P, Castany MU, Bechi Genzano S, Ambrosini CE, Materazzi G, Chiovato L, Basolo F, Santini F, Torregrossa L. Histological pattern and gene expression profiling of thyroid tissue in subjects with obesity. J Endocrinol Invest 2022; 45:413-423. [PMID: 34392500 DOI: 10.1007/s40618-021-01662-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/10/2021] [Indexed: 01/19/2023]
Abstract
PURPOSE Subjects with obesity may exhibit an increase in serum TSH concentrations. Several mechanisms have been proposed to explain this association, including the presence of a compensatory mechanism to counterbalance an accelerated turnover of thyroid hormones in subjects with obesity. This study aimed at evaluating whether the thyroids of subjects with obesity differs from those of normal-weight individuals regarding histology and gene expression profiling. METHODS Ninety-eight patients were selected among those scheduled for thyroidectomy. At histology, thyroid tissue samples were investigated for the presence of adipocytes and/or lymphocyte infiltration. In a subset of patients, the expression at mRNA level of several genes involved in metabolic pathways and immune cell-related mechanisms was quantified by NanoString Technology. RESULTS The presence of adipose cells was documented in thyroid specimens from 40% normal weight, 52.9% overweight and 73.5% patients with obesity. The number of infiltrating adipocytes was greater in specimens of patients with overweight or obesity compared to normal weight. The lymphocytes common antigen (CD45) and mast cell (MC) scores, and the number of CD3+ and CD8+ lymphocytes were higher in patients with overweight and obesity than in normal-weight subjects. Several genes involved in metabolic pathways were differently expressed in patients with overweight or obesity compared to normal weight, with upregulation of Leptin receptor and downregulation of Fatty Acid-Binding Protein 5. CONCLUSIONS Increased BMI is associated with adipocyte and lymphocyte infiltration of the thyroid, not related to an autoimmune process, which might affect thyroid function in subjects with obesity. A differential gene expression profiling of metabolic and immune pathways in thyroid tissues of patients with obesity was also observed.
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Affiliation(s)
- A Basolo
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy.
- Department of Clinical and Experimental Medicine, University Hospital of Pisa, Via Paradisa 2, 56124, Pisa, Italy.
| | - A M Poma
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - R Giannini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - G Ceccarini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - C Pelosini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
- Chemistry and Endocrinology Laboratory, University Hospital of Pisa, Pisa, Italy
| | - P Fierabracci
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - M U Castany
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - S Bechi Genzano
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - C E Ambrosini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - G Materazzi
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - L Chiovato
- Laboratory for Endocrine Disruptors, Unit of Internal Medicine and Endocrinology, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, 27100, Pavia, Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, Via S. Maugeri 4, 27100, Pavia, PV, Italy
| | - F Basolo
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - F Santini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - L Torregrossa
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
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Staníková D, Krajčovičová L, Demková L, Forišek-Paulová P, Slobodová L, Vitariušová E, Tichá L, Ukropcová B, Staník J, Ukropec J. Food preferences and thyroid hormones in children and adolescents with obesity. Front Psychiatry 2022; 13:962949. [PMID: 35935441 PMCID: PMC9354398 DOI: 10.3389/fpsyt.2022.962949] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/27/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Thyroid hormones profoundly affect energy metabolism but their interrelation with food preference, which might contribute to childhood obesity development, are much less understood. In this study, we investigated if thyroid hormone levels are associated with specific modulation of food preference and potentially linked to the level of obesity in children and adolescents. METHODS Interrelations between food preference and peripheral thyroid activity were examined in a population of 99 non-obese and 101 obese children and adolescents (12.8 ± 3.6 years of age, 111/89 F/M) randomly selected from the patients of the Obesity and Metabolic Disease Out-patient Research Unit at National Institute for Children's Diseases in Bratislava in a period between December 2017 and March 2020. RESULTS Children and adolescents with obesity had a lower preference for food rich in high sucrose and high-complex carbohydrates, while the preference for protein and fat-containing food and that for dietary fibers did not differ between obese and nonobese. In adolescents with obesity, free thyroxine (FT4) correlated positively with the preference for a high protein and high fat-rich diet, irrespective of the fatty acid unsaturation level. Moreover, FT4 correlated negatively with the preference for dietary fibers, which has been also exclusively found in obese adolescents. Individuals with obesity with higher FT4 levels had higher systemic levels of AST and ALT than the population with lower FT4. Multiple regression analysis with age, sex, BMI-SDS, and FT4 as covariates revealed that FT4 and male gender are the major predictors of variability in the preference for a diet high in protein, fat, and monounsaturated fatty acids. FT4 was the sole predictor of the preference for a diet containing saturated and polyunsaturated fatty acids as well as for a diet low in fiber. CONCLUSION The link between free thyroxin levels and dietary preference for food rich in fat and protein is present exclusively in individuals with obesity. Higher serum FT4 was linked with elevated AST and ALT in children and adolescents with obesity, and FT4 was the best predictor for preference for food rich in fat and low in fiber. This may indicate that FT4 could contribute to the development of childhood obesity and its complications by modulating food preference.
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Affiliation(s)
- Daniela Staníková
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia
| | - Lea Krajčovičová
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia
| | - Linda Demková
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia
| | - Petronela Forišek-Paulová
- Department of Metabolic Disease Research, Biomedical Research Center, Institute of Experimental Endocrinology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Lucia Slobodová
- Department of Metabolic Disease Research, Biomedical Research Center, Institute of Experimental Endocrinology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Eva Vitariušová
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia
| | - Lubica Tichá
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia
| | - Barbara Ukropcová
- Department of Metabolic Disease Research, Biomedical Research Center, Institute of Experimental Endocrinology, Slovak Academy of Sciences, Bratislava, Slovakia.,Medical Faculty of Comenius University, Institute of Pathophysiology, Bratislava, Slovakia
| | - Juraj Staník
- Department of Pediatrics, Medical Faculty of Comenius University, National Institute for Children's Diseases, Bratislava, Slovakia.,Department of Metabolic Disease Research, Biomedical Research Center, Institute of Experimental Endocrinology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Jozef Ukropec
- Department of Metabolic Disease Research, Biomedical Research Center, Institute of Experimental Endocrinology, Slovak Academy of Sciences, Bratislava, Slovakia
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Le Moli R, Vella V, Tumino D, Piticchio T, Naselli A, Belfiore A, Frasca F. Inflammasome activation as a link between obesity and thyroid disorders: Implications for an integrated clinical management. Front Endocrinol (Lausanne) 2022; 13:959276. [PMID: 36060941 PMCID: PMC9437482 DOI: 10.3389/fendo.2022.959276] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/03/2022] [Indexed: 11/25/2022] Open
Abstract
Obesity is strongly associated with chronic low-grade inflammation. Obese patients have an increased risk to develop thyroid autoimmunity and to became hypothyroid, suggesting a pathogenetic link between obesity, inflammation and autoimmunity. Moreover, type 2 diabetes and dyslipidemia, also characterized by low-grade inflammation, were recently associated with more aggressive forms of Graves' ophthalmopathy. The association between obesity and autoimmune thyroid disorders may also go in the opposite direction, as treating autoimmune hyper and hypothyroidism can lead to weight gain. In addition, restoration of euthyroidism by L-T4 replacement therapy is more challenging in obese athyreotic patients, as it is difficult to maintain thyrotropin stimulation hormone (TSH) values within the normal range. Intriguingly, pro-inflammatory cytokines decrease in obese patients after bariatric surgery along with TSH levels. Moreover, the risk of thyroid cancer is increased in patients with thyroid autoimmune disorders, and is also related to the degree of obesity and inflammation. Molecular studies have shown a relationship between the low-grade inflammation of obesity and the activity of intracellular multiprotein complexes typical of immune cells (inflammasomes). We will now highlight some clinical implications of inflammasome activation in the relationship between obesity and thyroid disease.
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Tapia-Martínez JA, Franco-Colín M, Blas-Valdivia V, Cano-Europa E. The joint effect of congenital hypothyroidism and hypercaloric diet consumption as triggers of type 2 diabetes mellitus. Eur Thyroid J 2022; 11:e210050. [PMID: 34981743 PMCID: PMC9142805 DOI: 10.1530/etj-21-0050] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 11/18/2021] [Indexed: 12/02/2022] Open
Abstract
Introduction Congenital hypothyroidism affects metabolic and thyroid programming, having a deleterious effect on bodyweight regulation promoting metabolic diseases. This work aimed to demonstrate the development of type 2 diabetes mellitus (T2D) in animals with congenital hypothyroidism, only by the consumption of a mild hypercaloric diet in the extrauterine stage. Methods Two groups of female Wistar rats (n = 9): euthyroid and hypothyroid were used. Hypothyroidism was induced by a thyroidectomy with parathyroid reimplantation. Male offsprings post-weaning were divided into four groups (n = 10): euthyroid, hypothyroid, euthyroid + hypercaloric diet, and hypothyroid + hypercaloric diet. The hypercaloric diet consisted of ground commercial feed plus 20% lard and was administered until postnatal week 40. Bodyweight and energy intake were monitored weekly. Also, metabolic and hormonal markers related to cardiovascular risk, insulin resistance, and glucose tolerance were analyzed at week 40. Then, animals were sacrificed to perform the morphometric analysis of the pancreas and adipose tissue. Results T2D was developed in animals fed a hypercaloric diet denoted by the presence of central obesity, hyperphagia, hyperglycemia, dyslipidemia, glucose tolerance, insulin resistance and hypertension, as well as changes in the cytoarchitecture of the pancreas and adipose tissue related to T2D. The results show that congenital hypothyroid animals had an increase in metabolic markers and an elevated cardiovascular risk. Conclusions Congenital hypothyroid animals develop T2D, having the highest metabolic disturbances and a worsened clinical prognosis than euthyroid animals.
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Affiliation(s)
- Jorge Alberto Tapia-Martínez
- Laboratorio de Metabolismo I, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Colonia Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Ciudad de México, México
- Laboratorio 6, Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados-Instituto Politécnico Nacional, Delegación Tlalpan, Ciudad de México, México
| | - Margarita Franco-Colín
- Laboratorio de Metabolismo I, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Colonia Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Ciudad de México, México
| | - Vanessa Blas-Valdivia
- Laboratorio de Neurobiología, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Colonia Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Ciudad de México, México
| | - Edgar Cano-Europa
- Laboratorio de Metabolismo I, Departamento de Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Colonia Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Ciudad de México, México
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Benabdelkamel H, Rafiullah M, Masood A, Alsaif A, Musambil M, Alfadda AA. Proteomic profiling of thyroid tissue in patients with obesity and benign diffuse goiter. Front Endocrinol (Lausanne) 2022; 13:923465. [PMID: 35966064 PMCID: PMC9365950 DOI: 10.3389/fendo.2022.923465] [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: 04/19/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
Goiter is a term to describe the enlargement of the thyroid gland. The pathophysiology and molecular changes behind development of diffuse benign goiter remains unclear. The present study targeted to identify and describe the alterations in the thyroid tissue proteome from patients (obese euthyroid) with benign diffuse goiter (BDG) using proteomics approach. Thyroid tissue samples, from 7 age and sex matched, patients with BDG and 7 controls were obtained at the time of surgery. An untargeted proteomic analysis of the thyroid tissue was performed out utilizing two-dimensional difference (2D-DIGE) in gel electrophoresis followed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) for identification of the proteins. Progenesis software was used to identify changes in expression of tissue proteins and found statistically significant differences in abundance in a total of 90 proteins, 46 up and 44 down (1.5-fold change, ANOVA, p ≤ 0.05) in BDG compared to the control group. Bioinformatic analysis using Ingenuity Pathway Analysis (IPA) identified dysregulation of signalling pathways linked to ERK1/2, Glutathione peroxidase and NADPH oxidase associated to organismal injury and abnormalities, endocrine system disorders and cancer. The thyroid tissue proteome in patients with BDG revealed a significant decrease in thyroglobulin along with dysregulation of glycolysis and an increase in prooxidant peroxidase enzymes. Dysregulation of metabolic pathways related to glycolysis, redox proteins, and the proteins associated with maintaining the cytoskeletal structure of the thyrocytes was also identified.
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Affiliation(s)
- Hicham Benabdelkamel
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed Rafiullah
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Afshan Masood
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Abdulaziz Alsaif
- Division of Endocrine and Breast Surgery, Department of Surgery, College of Medicine and King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
| | - Mohthash Musambil
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Assim A. Alfadda
- Proteomics Resource Unit, Obesity Research Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Department of Medicine, College of Medicine and King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
- *Correspondence: Assim A. Alfadda,
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Mele C, Mai S, Cena T, Pagano L, Scacchi M, Biondi B, Aimaretti G, Marzullo P. The pattern of TSH and fT4 levels across different BMI ranges in a large cohort of euthyroid patients with obesity. Front Endocrinol (Lausanne) 2022; 13:1029376. [PMID: 36313780 PMCID: PMC9606412 DOI: 10.3389/fendo.2022.1029376] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 09/26/2022] [Indexed: 11/13/2022] Open
Abstract
PURPOSE A multifold association relates the hypothalamo-pituitary-thyroid axis to body weight. The potential underlying mechanisms are incompletely understood. Further, the mild severity of obesity and the small proportion of individuals with obesity in so far published cohort studies provide little insights on metabolic correlates of thyroid function in obesity. METHODS We retrospectively enrolled 5009 adults with obesity (F/M, 3448/1561; age range, 18-87 years; BMI range, 30.0-82.7 kg/m2), without known thyroid disease in a study on TSH and fT4 levels, lipid profile, glucose homeostasis and insulin resistance, anthropometric parameters including BIA-derived fat mass (%FM) and fat-free mass (FFM). RESULTS The overall reference interval for TSH in our obese cohort was 0.58-5.07 mIU/L. As subgroups, females and non-smokers showed higher TSH levels as compared to their counterparts (p<0.0001 for both), while fT4 values were comparable between groups. There was a significant upward trend for TSH levels across incremental BMI classes in females, while the opposite trend was seen for fT4 levels in males (p<0.0001 for both). Expectedly, TSH was associated with %FM and FFM (p<0,0001 for both). TSH and fT4 showed correlations with several metabolic variables, and both declined with aging (TSH, p<0.0001; fT4, p<0.01). In a subgroup undergoing leptin measurement, leptin levels were positively associated with TSH levels (p<0.01). At the multivariable regression analysis, in the group as a whole, smoking habit emerged as the main independent predictor of TSH (β=-0.24, p<0.0001) and fT4 (β=-0.25, p<0.0001) levels. In non-smokers, %FM (β=0.08, p<0.0001) and age (β=-0.05, p<0.001) were the main significant predictors of TSH levels. In the subset of nonsmokers having leptin measured, leptin emerged as the strongest predictor of TSH levels (β=0.17, p<0.01). CONCLUSIONS Our study provides evidence of a gender- and smoking-dependent regulation of TSH levels in obesity.
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Affiliation(s)
- Chiara Mele
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
- *Correspondence: Chiara Mele,
| | - Stefania Mai
- Istituto Auxologico Italiano, IRCCS, Laboratory of Metabolic Research, S. Giuseppe Hospital, Piancavallo, Italy
| | - Tiziana Cena
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - Loredana Pagano
- Division of Endocrinology, Diabetology and Metabolism, Department of Medical Sciences, University of Turin, Turin, Italy
| | - Massimo Scacchi
- Istituto Auxologico Italiano, IRCCS, Division of General Medicine, S. Giuseppe Hospital, Piancavallo, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Bernadette Biondi
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Gianluca Aimaretti
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - Paolo Marzullo
- Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
- Istituto Auxologico Italiano, IRCCS, Laboratory of Metabolic Research, S. Giuseppe Hospital, Piancavallo, Italy
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Chang X, Wang Y, Fu S, Tang X, Liu J, Zhao N, Jing G, Niu Q, Ma L, Teng W, Shan Z. The Detection of Thyroid Nodules in Prediabetes Population and Analysis of Related Factors. Risk Manag Healthc Policy 2021; 14:4875-4882. [PMID: 34908885 PMCID: PMC8665774 DOI: 10.2147/rmhp.s337526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/20/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose To explore the detection of thyroid nodules (TN) and related influencing factors in the population of prediabetes (PreDM) in northwest China’s Gansu Province. Materials and Methods A multi-stage stratified cluster random sampling method was used to select adult Han residents in Gansu Province for investigation, and recorded the clinical data of the subjects. The χ2 test was used to analyze the difference in TN detection rate of the PreDM population. Logistic regression analyzed the risk factors of TN in the PreDM population. Results This study included 2659 people with normal glucose tolerance (NGT) and PreDM, of which 440 people were detected with TN. Among the PreDM population, the TN detection rate was higher than in the NGT population (24.48% vs 15.00%; P<0.05). The detection rate of TN in the impaired fasting glucose (IFG), impaired glucose tolerance (IGT) and IFG+IGT group was also significantly higher than that in the NGT population (X2=4.117, X2=13.187, X2=13.016, all P<0.05), and of which, the IFG+IGT group was the highest (32.20%). The general trend of TN in the IFG, IGT and PreDM population all increased with age. General data showed that BMI, waist-to-height ratio, waist circumference, TG, TC, LDL-C, FPG, 2h PG, HbA1c and TSH indicators in the TN group were higher than those in the Non-TN group (P<0.05). The logistic regression suggested that the risk factors for TN in the PreDM population were female, age increase, high SP, high TSH, high FPG, high LDL-C, hypertension and family history of diabetes (all P<0.05). Conclusion The detection rate of TN in the PreDM population is high, especially in the IFG+IGT population. Middle-aged and elderly people with hypertension and abnormal glucose and lipid metabolism should be treated reasonably and regularly, and their TN should be screened and followed up.
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Affiliation(s)
- Xingyu Chang
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Yaqi Wang
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Songbo Fu
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Xulei Tang
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Jingfang Liu
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Nan Zhao
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Gaojing Jing
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Qianglong Niu
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Lihua Ma
- Department of Endocrinology, First Hospital of Lanzhou University, Lanzhou, Gansu, 730000, People's Republic of China.,Gansu Provincial Endocrine Disease Clinical Medicine Research Center, Gansu, 730000, People's Republic of China
| | - Weiping Teng
- Department of Endocrinology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, 101100, People's Republic of China
| | - Zhongyan Shan
- Department of Endocrinology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, 101100, People's Republic of China
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Dietary conjugated linoleic acid and medium-chain triglycerides for obesity management. J Biosci 2021. [DOI: 10.1007/s12038-020-00133-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Li H, Huang Y, Zang X, Zhu Z, Yang M, Lang XE, Wu K, Wu F, Zhang XY. The relationship between overweight and thyroid function in first-episode, untreated Chinese patients with major depressive disorder with different ages of onset. J Affect Disord 2021; 294:932-938. [PMID: 34375221 DOI: 10.1016/j.jad.2021.07.110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 07/20/2021] [Accepted: 07/29/2021] [Indexed: 01/11/2023]
Abstract
BACKGROUND Major depressive disorder (MDD) and obesity are common. There are many differences in many aspects of MDD patients at different ages of onset (AOO); however, there are currently no studies on differences in obesity or overweight. This study aims to evaluate whether thyroid function changes with body weight, and to explore the related factors of overweight in MDD patients with different AOOs. METHODS A total of 1716 first-episode, untreated Chinese Han outpatients with MDD were recruited from a general hospital. Hamilton Anxiety Scale (HAMA), Hamilton Depression Scale (HAMD) and Positive Symptom subscale of the Positive and Negative Syndrome Scale (PANSS) were used to evaluate anxiety, depression and psychotic symptoms, respectively. The participants were divided into two groups: early adulthood onset (EAO, <45 years old) and mid-adulthood onset (MAO, >=45 years old). RESULTS Compared with EAO patients, MAO patients scored higher on the HAMD, HAMA, CGI-S and PANSS positive symptoms subscale, and they also had higher systolic and diastolic blood pressure (BP), higher serum levels of thyroid stimulating hormone (TSH), FBG, cholesterol (TC) and low-density lipoprotein, but they had lower serum levels of free triiodothyronine 3 and high-density lipoprotein. TSH, anti-thyroglobulin (TgAb), TC and systolic BP were correlated with overweight in MAO patients, while TSH and FBG were correlated with overweight of EAO patients. CONCLUSIONS The results indicate that TSH is related to overweight in both AOO subgroups, and the influencing factors of overweight related to thyroid function may be different in different AOOs.
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Affiliation(s)
- Hehua Li
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuanyuan Huang
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaocui Zang
- Qingdao Mental Health Center, Qingdao University, Qingdao, China
| | - Zhimin Zhu
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mingzhe Yang
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiao E Lang
- Department of Psychiatry, The First Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Kai Wu
- Department of Biomedical engineering, school of Materials science and engineering, south, China University of Technology (scUT), Guangzhou, China
| | - Fengchun Wu
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
| | - Xiang Yang Zhang
- Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China; CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.
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Sgarbi JA, Ward LS. A practical contemporary approach to decision-making on subclinical hypothyroidism. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2021; 65:32-39. [PMID: 33320453 PMCID: PMC10528698 DOI: 10.20945/2359-3997000000317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/02/2020] [Indexed: 11/23/2022]
Abstract
Subclinical hypothyroidism (Shypo) is an increasingly frequent condition in common medical practice. Its diagnosis continues to pose a challenge since a series of non-thyroidal and temporary conditions can elevate serum TSH levels. In addition, the consequences of Shypo are still up for debate. Although detrimental cardiovascular effects have been consistently demonstrated in the young, they are less evident in older adults (65-79 years), and even more so in the oldest old (≥80 years). In the absence of evidence of any benefits of treating Shypo in patients' clinical manifestations and unfavorable outcomes, the most effective decision-making approach should include a thorough investigation of the patient's condition integrating all relevant clinical data, such as TSH levels, age, quality of life, comorbidities, cardiovascular risk, safety, and personal preferences. The decision-making process needs to take into account the risk of levothyroxine overtreatment and the resulting adverse consequences, such as reduction of bone mineral density, heart failure, and atrial fibrillation. Hence, current evidence suggests that individuals with TSH > 10 mU/L, who test positive for TPO Ab or are symptomatic may benefit from levothyroxine treatment. However, a more cautious and conservative approach is required in older (≥65 years of age), and oldest-old (≥80 years) patients, particularly those with frailty, in which the risk of treatment can outweigh potential benefits. The latter may benefit from a wait-and-see approach.
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Affiliation(s)
- José Augusto Sgarbi
- Unidade de Tireoide, Divisão de Endocrinologia e Metabolismo, Faculdade de Medicina de Marília (Famema), Marília, SP, Brasil,
| | - Laura Sterian Ward
- Laboratório de Genética Molecular do Câncer, Faculdade de Ciências Médicas (FCM), Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brasil
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Chen X, Wang JJ, Yu L, Wang HY, Sun H. The association between BMI, smoking, drinking and thyroid disease: a cross-sectional study in Wuhan, China. BMC Endocr Disord 2021; 21:184. [PMID: 34517857 PMCID: PMC8436425 DOI: 10.1186/s12902-021-00852-0] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 08/31/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND There is no clear conclusion on the relationship between thyroid disease and obesity and lifestyle factors such as smoking and drinking. In this study, we analysed the association of body mass index (BMI), smoking and drinking with subclinical hypothyroidism (SHO) and thyroid nodules (TNs) with the results of a cross-sectional survey of urban residents in central China and discussed the potential mechanism linking these predictive factors and the two diseases. METHODS This study included 1279 participants who were recruited from a Chinese community in 2011 and 2012. A questionnaire, laboratory examination and ultrasound diagnosis were conducted on these participants. Binary logistic regression analysis was used to analyse these factors. RESULTS Overweight (BMI ≥ 25 kg/m2) was closely related to SHO and TNs in univariate and multivariate logistic regression analyses. Smoking had a protective effect on SHO and TNs, while drinking had a protective effect on TNs in univariate logistic regression and multivariate logistic regression with some covariates, but there was no significant difference between smoking and drinking and the two kinds of thyroid diseases in multivariate logistic regression analysis with all the covariates. In subgroup analysis, BMI ≥ 25 kg/m2 was significantly associated with SHO in people with positive thyroid antibodies (odds ratio (OR) = 2.221, 95 % confidence interval (CI): 1.168-4.184, P = 0.015) and smokers (OR = 2.179, 95 % CI: 1.041-4.561, P = 0.039). BMI ≥ 25 kg/m2 was significantly associated with TNs in people over 60 years old (OR = 2.069, 95 % CI: 1.149-3.724, P = 0.015) and drinkers (OR = 3.065, 95 % CI: 1.413-6.648, P = 0.005). Drinking alcohol had a protective effect on TNs in smokers (OR = 0.456, 95 % CI: 0.240-0.865, P = 0.016) and people with BMI ≥ 25 kg/m2 (OR = 0.467, 95 % CI: 0.236-0.925, P = 0.029). No significant association was found between smoking and the two thyroid diseases in different subgroups. CONCLUSIONS Obesity is a risk factor for both TNs and SHO, especially in elderly individuals and people with positive thyroid autoantibodies. Obesity and metabolic syndrome may be more associated with TNs than SHO. Smoking may have a protective effect on thyroid disease, while drinking may have a protective effect only on TNs.
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Affiliation(s)
- Xiao Chen
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 JieFang Avenue, 430022, Wuhan, Hubei, China
| | - Juan-Juan Wang
- Department of Endocrinology, The Central Hospital of Wuhan, 430022, Wuhan, China
| | - Li Yu
- Department of Emergency, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Han-Yu Wang
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 JieFang Avenue, 430022, Wuhan, Hubei, China
| | - Hui Sun
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 JieFang Avenue, 430022, Wuhan, Hubei, China.
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Walczak K, Sieminska L. Obesity and Thyroid Axis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189434. [PMID: 34574358 PMCID: PMC8467528 DOI: 10.3390/ijerph18189434] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/28/2021] [Accepted: 09/03/2021] [Indexed: 12/19/2022]
Abstract
Development of obesity is primarily the result of imbalance between energy intake and energy expenditure. Thyroid hormones influence energy expenditure by regulating cellular respiration and thermogenesis and by determining resting metabolic rate. Triiodothyronine influences lipid turnover in adipocytes and impacts appetite regulation through the central nervous system, mainly the hypothalamus. Thyroid-stimulating hormone may also influence thermogenesis, suppress appetite and regulate lipid storage through lipolysis and lipogenesis control. Subclinical hypothyroidism may induce changes in basal metabolic rate with subsequent increase in BMI, but obesity can also affect thyroid function via several mechanisms such as lipotoxicity and changes in adipokines and inflammatory cytokine secretion. The present study investigated the complex and mutual relationships between the thyroid axis and adiposity.
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Affiliation(s)
- Krzysztof Walczak
- Department of Thoracic Surgery, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 41-800 Zabrze, Poland;
| | - Lucyna Sieminska
- Department of Pathophysiology and Endocrinology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 41-800 Zabrze, Poland
- Correspondence:
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Wang L, Guo M, Feng G, Wang P, Xu J, Yu J. Effects of chronic exposure to nonylphenol at environmental concentration on thyroid function and thyroid hyperplasia disease in male rats. Toxicology 2021; 461:152918. [PMID: 34464681 DOI: 10.1016/j.tox.2021.152918] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/21/2021] [Accepted: 08/25/2021] [Indexed: 10/20/2022]
Abstract
The aim of this work was to determine whether chronic exposure to nonylphenol (NP), a representative substance of environmental endocrine disruptors (EEDs), at environmental concentration would have toxic effects on thyroid function and thyroid hyperplasia disease. Two hundred SPF Sprague-Dawley rats were divided into five groups (n = 40 per group): blank control group (corn oil), low-dose NP exposure group (0.4 mg/kg/d), medium-dose NP exposure group (4 mg/kg/d), high-dose NP exposure group (40 mg/kg/d), and estradiol control group (E2: 30 μg/kg/d). The rats were treated by gavage for 34 weeks, which were sampled twice (17 weeks and 34 weeks respectively). NP accumulation in the thyroid tissue (F = 52.93, P < 0.001) and serum (F = 5.54, P = 0.00) continuously increased in a significant dose-effect relationship. After NP exposure, the serum FT3 levels exhibited a dose-dependent increasing trend (F = 4.68, P = 0.01), while the serum FT4 level showed an opposite trend (F = 3.93, P= 0.01). Compared with the control group, hyperechoic areas (i.e., calcification points) were observed in the high-dose group. Follicular epithelial stratification was extremely severe, the monolayer cubic epithelial cells became flat, and the area of single follicles was even smaller in the high-dose group. In the high-dose NP group, there were numerous mitochondria that were severely swollen. The rough endoplasmic reticulum was abundant, with obvious expansion and vesiculation. The relative expression of ERα (F = 5.29, P = 0.00), ERβ (F = 10.17, P = 0.00), TRα (F = 7.71, P = 0.00), TRβ (F = 3.52.17, P = 0.02) and HMGB1 (F = 10.16, P = 0.01) proteins in the thyroid tissue in each NP exposure group was increased compared with the control group, and the relative expression of proteins increased if the exposure time was prolonged under the same exposure dose. Chronic exposure to NP at environmental concentration could have toxic effects on thyroid function, and induce thyroid hyperplasia disease in male rats.
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Affiliation(s)
- Lin Wang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, 563000, PR China; Division of Infectious Disease Prevention and Control, Laiyang Center for Disease Control and Prevention, Laiyang, Shandong, 265200, PR China
| | - Mei Guo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, 563000, PR China
| | - Guoli Feng
- Department of Thyroid & Breast Surgery, Affiliated Hospital Of Zunyi Medical University, Zunyi, Guizhou, 563000, PR China
| | - Pan Wang
- Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, 563000, PR China
| | - Jie Xu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, 563000, PR China.
| | - Jie Yu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, 563000, PR China.
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Croce L, Pallavicini C, Crotti S, Coperchini F, Minnelli L, Magri F, Chiovato L, Rotondi M. Basal and longitudinal changes in serum levels of TSH in morbid obese patients experiencing failure or success of dietary treatment. Eat Weight Disord 2021; 26:1949-1955. [PMID: 33068274 PMCID: PMC8292288 DOI: 10.1007/s40519-020-01043-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/30/2020] [Indexed: 11/28/2022] Open
Abstract
PURPOSE The relationship between thyroid function and obesity is a widely investigated one. The impact of thyroid hormones in determining the outcome of dietary/lifestyle interventions remains to be fully elucidated. The aim of this study was to compare basal and post dietary-intervention circulating thyroid-function parameters, lipid profile and fasting-glucose in euthyroid obese patients according to a success or failure of a dietary intervention program. METHODS In a retrospective longitudinal case-control study we enrolled 50 euthyroid obese patients who experienced a success in dietary intervention, as defined by a BMI reduction of at least 5% from baseline (Success Group) and 50 sex and age-matched euthyroid obese patients who experienced failure in dietary intervention as defined by either stable or increased body weight throughout the follow-up (Failure Group). Serum thyroid function parameters and metabolic profile at baseline and at the end of follow-up were collected. RESULTS At baseline, the two groups showed similar BMI, total-cholesterol, HDL-cholesterol and fasting-blood-glucose, but patients in Success Group had a significantly higher TSH as compared with Failure Group (2.20 ± 0.97 vs 1.66 ± 0.73, respectively, p < 0.001). Throughout a mean follow-up of 21.4 months TSH significantly decreased in Success Group (2.20 ± 0.97 vs 2.06 ± 0.98; p = 0.029) and increased in Failure Group (1.63 ± 0.72 vs 2.01 ± 0.99; p < 0.001). Multiple regression analysis showed that the outcome of the dietary intervention was significantly and independently related to baseline BMI (0.925; 0.861-0.993), age (0.957; 0.922-0.993), TSH (0.531; 0.290-0.973) and TSH-changes (1.011; 1.000-1.022) during follow-up. CONCLUSIONS Baseline serum TSH level is related to the final outcome of a dietary intervention program in obese patients. LEVEL OF EVIDENCE III Evidence obtained from a retrospective cohort or case-control analytic studies.
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Affiliation(s)
- Laura Croce
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy.,Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Pavia, Italy.,PhD Course in Experimental Medicine, University of Pavia, 27100, Pavia, Italy
| | - Cristina Pallavicini
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy
| | - Silvia Crotti
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy
| | - Francesca Coperchini
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy
| | - Linda Minnelli
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Pavia, Italy
| | - Flavia Magri
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy.,Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Pavia, Italy
| | - Luca Chiovato
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy. .,Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Pavia, Italy.
| | - Mario Rotondi
- Unit of Internal Medicine and Endocrinology, Laboratory for Endocrine Disruptors, Department of Internal Medicine and Therapeutics, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, Via S. Maugeri 4, 27100, Pavia, Italy.,Department of Internal Medicine and Therapeutics, University of Pavia, 27100, Pavia, Italy
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Appropriate dose of levothyroxine replacement therapy for hypothyroid obese patients. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY 2021; 25:100264. [PMID: 34401353 PMCID: PMC8350177 DOI: 10.1016/j.jcte.2021.100264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/19/2021] [Accepted: 07/26/2021] [Indexed: 11/23/2022]
Abstract
Background Athyreotic patients require a daily levothyroxine (LT4) doses of 1.6-1.8 mcg/kg of actual body weight (BW) to achieve normal thyroid stimulating hormone (TSH) levels. Lean body mass (LBM) calculation may be a more accurate determination of LT4 dose in obese patients. Previous studies were mainly investigated in Caucasians and LBM is markedly different between various ethnic groups. We aim to identify the optimal dose of LT4 replacement therapy in hypothyroid Thai patients including obese subjects. Methods We retrospectively reviewed the medical records of Thai adults with hypothyroidism at the thyroid clinic. Patients had been received LT4 (Brand: Euthyrox) at a stable dose ≥ 75 mcg/day for at least 1 year. Patients with thyroid cancer, pregnant, and lactating women were excluded. LBM was calculated by the Hume formula. Results Two hundred patients (80% females) with a mean age of 48.6 ± 14.8 years and a body mass index (BMI) of 24.5 ± 4.6 kg/m2 were included. Daily LT4 dose/kg of actual BW according to BMI 18.5-24.9, 25-29.9, and ≥ 30 kg/m2 were 1.67 ± 0.27, 1.51 ± 0.28 and 1.39 ± 0.34 mcg/kg, respectively. In contrast, LT4 dose/kg of LBM were 2.31 ± 0.39, 2.35 ± 0.45 and 2.36 ± 0.51 mcg/kg, respectively. Conclusions LBM is considered a better indicator for calculating an appropriate LT4 replacement dose than actual BW in hypothyroid obese Thai patients. The recommended daily dose of LT4 is 2.3 mcg/kg of LBM that could be applied for all ranges of BMI.
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