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Chatzivasileiou P, Armeni E, Chedraui P, Kontou L, Augoulea A, Palaiologou A, Kaparos G, Panoulis K, Alexandrou A, Vlachos N, Lambrinoudaki I. Postmenopausal women with higher TSH values within the normal range present improved handgrip strength: a pilot study. Gynecol Endocrinol 2024; 40:2333432. [PMID: 38567465 DOI: 10.1080/09513590.2024.2333432] [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: 11/06/2023] [Accepted: 03/14/2024] [Indexed: 04/04/2024] Open
Abstract
OBJECTIVE To evaluate the possible association between thyroid function within the euthyroid range and musculoskeletal parameters as well as body composition in a sample of postmenopausal women. METHODS This cross-sectional study included 96 postmenopausal women with serum thyroid-stimulating hormone (TSH) within the normal laboratory reference range. Fasting venous blood samples were obtained for biochemical/hormonal assessment. Bone status and body composition were measured using Dual Energy X-ray absorptiometry (DXA). Physical activity was quantified using the International Physical Activity Questionnaire (IPAQ) index. RESULTS Serum TSH correlated with handgrip strength (HGS, r-coefficient = 0.233, p = .025), and total body bone mineral density (BMD) T-score values (r-coefficient = 0.321, p = .003). HGS measures were associated with BMD (r-coefficient = 0.415, p < .001), with bone mineral content (BMC, r-coefficient = 0.427, p < .001), and lean mass (r-coefficient = 0.326, p = .003). Women with low muscle strength, defined as HGS < 16 kg, had lower TSH levels than women with normal muscle strength (low vs. normal muscle strength, ANCOVA 1.13 ± 0.49 mU/L vs. 1.60 ± 0.83 mU/L, p = 0.024) independently of age, BMD, percentage of body fat or absolute lean mass. Multivariable linear regression analysis showed that HGS values were associated with TSH measurements (β-coefficient = 0.246, p = .014) and BMD T-score values (β-coefficient = 0.306, p = .002). All models were adjusted for age, body mass index (BMI), vitamin D, low-density lipoprotein cholesterol, current smoking, physical activity, and homeostasis model assessment of insulin resistance. CONCLUSIONS In this sample of postmenopausal women, lower serum TSH values, within normal range, were associated with lower muscle strength compared to higher normal TSH values. Further research is needed to elucidate the significance of our preliminary findings.
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Affiliation(s)
- Panagiota Chatzivasileiou
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Eleni Armeni
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
- Royal Free Hospital, NHS Foundation Trust, University College London Medical School, London, UK
| | - Peter Chedraui
- Escuela de Posgrado en Salud, Universidad Espíritu Santo, Samborondón, Ecuador
| | - Loraina Kontou
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Areti Augoulea
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Anastasia Palaiologou
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - George Kaparos
- Biochemical Laboratory, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Konstantinos Panoulis
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Andreas Alexandrou
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Nikolaos Vlachos
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
| | - Irene Lambrinoudaki
- Second Department of Obstetrics and Gynecology, Menopause Clinic, Aretaieio Hospital, University of Athens, Athens, Greece
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Chen J, Hu L, Li N, Deng W, Xu X, Wang L, Zhao K, Lu S, Liu X, Cheng X, Jiang X. Association of serum thyroid-stimulating hormone and bone mineral density in Chinese adults with normal thyroid function. Nutr Metab (Lond) 2024; 21:62. [PMID: 39113084 PMCID: PMC11304615 DOI: 10.1186/s12986-024-00841-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 07/28/2024] [Indexed: 08/11/2024] Open
Abstract
PURPOSE This study aims to investigate the association of serum TSH with BMD in Chinese adults with normal thyroid function. METHODS These participants were divided into tertiles based on serum TSH levels. Linear regression model and multinomial logistic regression models were used to analyze the associations of continuous BMD and categorical BMD with serum TSH, respectively. RESULTS In women younger than 60 years, BMD decreased with the increase of TSH at normal level, while in women older than 60 years, BMD increased with the increase of TSH at normal level; besides, the BMD of women younger than 60 years old was significantly higher than that of women over 60 years old (156.05 ± 39.34 mg/cm3 vs. 86.95 ± 29.51 mg/cm3, P < 0.001). Linear regression results showed negative associations of BMD and normal TSH level in women with age younger than 60 years (β=-4.34, P < 0.001), but this inverse trend was observed in women over 60 years old (β = 2.04, P = 0.041). Both in men younger than 60 years and over 60 years old, BMD decreased with the increase of TSH at normal levels; besides, the BMD of men younger than 60 years was significantly higher than those over 60 years old (143.08 ± 32.76 mg/cm3 vs. 108.13 ± 31.99 mg/cm3, P < 0.001). CONCLUSIONS The results demonstrated an opposite trend in BMD at normal TSH levels in younger and elder females, that is, in females younger than 60 years, BMD decreased with the increase of TSH, which indicated that TSH might play a different role in younger and elder females. However, this trend was not significant in males.
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Affiliation(s)
- Jia Chen
- Department of Endocrinology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Lidong Hu
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Ning Li
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Wei Deng
- Department of Endocrinology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Xiaojie Xu
- Department of Endocrinology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Ling Wang
- Department of Radiology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Kaiping Zhao
- Department of Medical Record Management and Statistics, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Shuai Lu
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Xuejiao Liu
- Department of Medical Record Management and Statistics, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China
| | - Xiaoguang Cheng
- Department of Radiology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China.
| | - Xieyuan Jiang
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China.
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Kim SM, Sultana F, Korkmaz F, Rojekar S, Pallapati A, Ryu V, Lizneva D, Yuen T, Rosen CJ, Zaidi M. Neuroendocrinology of bone. Pituitary 2024:10.1007/s11102-024-01437-5. [PMID: 39096452 DOI: 10.1007/s11102-024-01437-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/26/2024] [Indexed: 08/05/2024]
Abstract
The past decade has witnessed significant advances in our understanding of skeletal homeostasis and the mechanisms that mediate the loss of bone in primary and secondary osteoporosis. Recent breakthroughs have primarily emerged from identifying disease-causing mutations and phenocopying human bone disease in rodents. Notably, using genetically-modified rodent models, disrupting the reciprocal relationship with tropic pituitary hormone and effector hormones, we have learned that pituitary hormones have independent roles in skeletal physiology, beyond their effects exerted through target endocrine glands. The rise of follicle-stimulating hormone (FSH) in the late perimenopause may account, at least in part, for the rapid bone loss when estrogen is normal, while low thyroid-stimulating hormone (TSH) levels may contribute to the bone loss in thyrotoxicosis. Admittedly speculative, suppressed levels of adrenocorticotropic hormone (ACTH) may directly exacerbate bone loss in the setting of glucocorticoid-induced osteoporosis. Furthermore, beyond their established roles in reproduction and lactation, oxytocin and prolactin may affect intergenerational calcium transfer and therefore fetal skeletal mineralization, whereas elevated vasopressin levels in chronic hyponatremic states may increase the risk of bone loss.. Here, we discuss the interaction of each pituitary hormone in relation to its role in bone physiology and pathophysiology.
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Affiliation(s)
- Se-Min Kim
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Farhath Sultana
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Funda Korkmaz
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Satish Rojekar
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Anusha Pallapati
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Vitaly Ryu
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Daria Lizneva
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Tony Yuen
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | | | - Mone Zaidi
- Mount Sinai Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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Abstract
Traditional textbook physiology has ascribed unitary functions to hormones from the anterior and posterior pituitary gland, mainly in the regulation of effector hormone secretion from endocrine organs. However, the evolutionary biology of pituitary hormones and their receptors provides evidence for a broad range of functions in vertebrate physiology. Over the past decade, we and others have discovered that thyroid-stimulating hormone, follicle-stimulating hormone, adrenocorticotropic hormone, prolactin, oxytocin and arginine vasopressin act directly on somatic organs, including bone, adipose tissue and liver. New evidence also indicates that pituitary hormone receptors are expressed in brain regions, nuclei and subnuclei. These studies have prompted us to attribute the pathophysiology of certain human diseases, including osteoporosis, obesity and neurodegeneration, at least in part, to changes in pituitary hormone levels. This new information has identified actionable therapeutic targets for drug discovery.
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Affiliation(s)
- Mone Zaidi
- Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Tony Yuen
- Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Se-Min Kim
- Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Zhao H, Shi D, Wang G, Ruan Y, Feng X, Jia C, Wang Q, Dong X. High-normal free thyroxine level is related with decreased bone mineral density in nonobese male patients with type 2 diabetes over 50 years old. Ther Adv Chronic Dis 2023; 14:20406223231195627. [PMID: 37664176 PMCID: PMC10472831 DOI: 10.1177/20406223231195627] [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: 10/07/2022] [Accepted: 07/21/2023] [Indexed: 09/05/2023] Open
Abstract
Background The prevalence of 'low bone mineral density (BMD)' in Type 2 diabetes (T2DM), especially stratified by body mass index, is seldom reported. The relation of the euthyroid range and low BMD in T2DM remains to be further elucidated. Objectives We aim to investigate the thyroid hormones' impact on BMD among euthyroid patients with T2DM. Design and methods A total of 1452 hospitalized T2DM patients with normal thyroid function (43.6% males aged over 50 and 56.4% postmenopausal females) were enrolled in this cross-sectional study. BMD was measured at lumbar spine by GE lunar dual-energy X-ray absorptiometry system, and 'low BMD' was defined as T-score <-1.0 SD. The prevalence of 'low BMD' was compared between obese and nonobese (body mass index < 25 kg/m2) groups for both sexes, and the relation of low BMD and free T4 quartiles was explored by multiple logistic regression. Results The general prevalence of 'low BMD' was 12.3% for male patients aged over 50 (15.5% in the nonobese group and 8.0% in the obese group) and 49.8% for postmenopausal females (56.7% in the nonobese group and 48.9% in the obese group). After adjustment in multiple linear regression, free T4 level remained significantly related to decreased BMD in nonobese male subgroup. Multiple logistic regression revealed that BMD of the highest free T4 quartile (1.12-1.48 ng/dL) decreased significantly than other three quartiles after adjusting for confounding factors including age, body mass index, serum calcium and creatinine level, fasting glucose, alkaline phosphatase, glycosylated hemoglobin, total cholesterol, and smoking history (OR = 2.724, 95% CI = 1.085-6.840, p = 0.033). No significant relation was found in obese male or postmenopausal female groups. Conclusion High-normal free T4 is a potential independent risk factor for 'low BMD' in nonobese male T2DM patients aged over 50. Close attention should be paid to thyroid function profile, even within normal range, in nonobese men with underlying higher fracture risks on diabetes status.
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Affiliation(s)
- Hanxin Zhao
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - Dike Shi
- Department of Gastrointestinal Surgery, Zhejiang University Second Affiliated Hospital, School of Medicine, Hangzhou, P.R. China
| | - Guoxing Wang
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - Yu Ruan
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - Xiaocheng Feng
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - ChengFang Jia
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - Qingqing Wang
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
| | - Xuehong Dong
- Department of Endocrinology and Metabolism, Zhejiang University Affiliated Sir Run Run Shaw Hospital, School of Medicine, Hangzhou, P.R. China
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Wu X, Zhai F, Chang A, Wei J, Guo Y, Zhang J. Association between sensitivity to thyroid hormone indices and osteoporosis in euthyroid patients with type 2 diabetes mellitus. Ther Adv Chronic Dis 2023; 14:20406223231189230. [PMID: 37538345 PMCID: PMC10395177 DOI: 10.1177/20406223231189230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 06/08/2023] [Indexed: 08/05/2023] Open
Abstract
Background Thyroid hormones are known to regulate bone metabolism and may influence bone mineral density (BMD), as well as the risk of osteoporosis (OP) and fractures in patients with type 2 diabetes mellitus (T2DM). Recently, sensitivity to thyroid hormone indices has been linked with T2DM and OP independently. However, the relationship between thyroid hormone sensitivity and OP in euthyroid T2DM patients has yet to be investigated. Objectives The aim of this study was to determine the association between sensitivity to thyroid hormone indices and the risk of OP in euthyroid patients with T2DM. Design This study employed a retrospective, cross-sectional design and utilized data acquired from the Cangzhou Central Hospital in China between 2019 and 2020. Methods We retrospectively analyzed the data of 433 patients with T2DM for anthropometric measurements, clinical laboratory test results, and BMD. The thyroid-stimulating hormone index, thyrotroph thyroxine resistance index, and thyroid feedback quantile-based index (TFQI) were calculated to determine thyroid hormone sensitivity. Finally, multivariable logistic regression, generalized additive models, and subgroup analysis were performed to detect the association between sensitivity to thyroid hormone indices and the risk of OP in these patients. Results We did not observe a statistically significant linear relationship between sensitivity to thyroid hormones indices and OP after covariate adjustment. However, a nonlinear relationship existed between TFQI and the prevalence of OP. The inflection point of the TFQI was at -0.29. The effect sizes (odds ratio) on the left and right of the inflection point were 0.07 [95% confidence interval (CI): 0.01-0.71; p = 0.024] and 2.78 (95% CI: 1.02-7.58; p = 0.046), respectively. This trend was consistent in older female patients with higher body mass index (BMI; 25-30 kg/m2). Conclusion An approximate U-shaped relationship was observed between sensitivity to thyroid hormone indices and OP risk in euthyroid patients with T2DM with variations in sex, age, and BMI. These findings provide a new perspective to elucidate the role of thyroid hormones in OP, specifically in patients with T2DM.
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Affiliation(s)
- Xuelun Wu
- Department of Endocrinology, Cangzhou Central Hospital, 16 Xinhua West Road, Cangzhou City 061000, Hebei Province, PR China
| | - Furui Zhai
- Gynecological clinic, Cangzhou Central Hospital, Cangzhou City, Hebei Province, PR China
| | - Ailing Chang
- Department of Endocrinology, Cangzhou Central Hospital, Cangzhou City, Hebei Province, PR China
| | - Jing Wei
- Department of Endocrinology, Cangzhou Central Hospital, Cangzhou City, Hebei Province, PR China
| | - Yanan Guo
- Department of Endocrinology, Cangzhou Central Hospital, Cangzhou City, Hebei Province, PR China
| | - Jincheng Zhang
- Department of Endocrinology, Cangzhou Central Hospital, Cangzhou City, Hebei Province, PR China
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Zhu X, Li M, Dong X, Liu F, Li S, Hu Y. A systematic review of the relationship between normal range of serum thyroid-stimulating hormone and bone mineral density in the postmenopausal women. BMC Womens Health 2023; 23:358. [PMID: 37407957 DOI: 10.1186/s12905-023-02488-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 06/17/2023] [Indexed: 07/07/2023] Open
Abstract
OBJECTIVE The aim of this study was adopts meta-analysis in evaluating the correlation between TSH and BMD, as well as osteoporosis in the postmenopausal women with normal thyroid function. METHODS Six databases were searched for articles concerning correlation between TSH and BMD in postmenopausal women. The retrieval time was set from the date of database establishment to November 30, 2020. Revman5.3 and Stata12.0 software were used for meta-analysis. RESULTS A total of 19 articles were incorporated. The Summary Fisher' Z of the correlation between TSH and BMD was 0.16, 95% CI (0.00, 0.32), and the correlation coefficient of Summary Fisher' Z conversion was 0.158. Study on the relationship between TSH and osteoporosis based on OR demonstrated that the combined OR was 1.76, 95% CI (1.27, 2.45), P < 0.05. The subgroup analyzing results displayed that the risk of osteoporosis of the subjects from community with low TSH was 1.89, 95% CI (1.43, 2.49). The risk of osteoporosis for subjects with low TSH and from hospitals was 1.36, 95% CI (0.46, 3.99); 1.84 for subjects with low TSH and anti-osteoporosis drugs, 95% CI (1.05, 3.22); and 1.74 for those with low TSH but not taking anti-osteoporosis drugs, 95% CI (1.08, 2.82). The dose-response relationship showed that the risk of osteoporosis tended to decrease when TSH was more than 2.5mIu/L. CONCLUSION The serum TSH is positively related with BMD in postmenopausal women, and high TSH (> 2.5 mIu/L) within the normal range is possibly helpful to decrease the risk of osteoporosis in postmenopausal women.
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Affiliation(s)
- Xiaoli Zhu
- Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, No. 10 You' anmenwai Xitoutiao, Fengtai District, Beijing, 100069, China
| | - Man Li
- Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, No. 10 You' anmenwai Xitoutiao, Fengtai District, Beijing, 100069, China
| | - Xinying Dong
- Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, No. 10 You' anmenwai Xitoutiao, Fengtai District, Beijing, 100069, China
| | - Fen Liu
- Health Service Department of the Guard Bureau of the Joint Staff Department, Beijing, China
| | - Shugang Li
- Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, No. 10 You' anmenwai Xitoutiao, Fengtai District, Beijing, 100069, China.
| | - Yifei Hu
- Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, No. 10 You' anmenwai Xitoutiao, Fengtai District, Beijing, 100069, China.
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Lee D, Ahn MB. A Causality between Thyroid Function and Bone Mineral Density in Childhood: Abnormal Thyrotropin May Be Another Pediatric Predictor of Bone Fragility. Metabolites 2023; 13:metabo13030372. [PMID: 36984812 PMCID: PMC10058985 DOI: 10.3390/metabo13030372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Low bone mass can occur in children and adolescents with numerous chronic conditions; however, the influence of abnormal thyroid hormone and thyroid-stimulating hormone (TSH) levels on low bone mineral density (BMD) in children and adolescents remains controversial. Investigating the effects of excessive or deficient thyroid hormone and TSH levels on the risk of childhood bone fragility may provide a better understanding of the role of thyroid function on bone density in the pediatric population. The triiodothyronine (T3), thyroxine (T4), and TSH levels and BMD of 619 children diagnosed with various underlying conditions and whose treatment was completed were simultaneously assessed. The T3, free thyroxine (FT4), and TSH levels were subcategorized based on the age-matched reference range, and the lumbar spine BMD (LSBMD) data were compared. The mean LSBMD z-score was 0.49 ± 1.28, while T3, FT4, and TSH levels were 1.25 ± 0.29 ng/mL, 1.28 ± 0.19 ng/dL, and 2.76 ± 1.87 µU/mL, respectively. Both lumbar and femoral BMD z-scores were lower in children with abnormal TSH levels. TSH abnormality was the strongest risk factor for decreased LSBMD z-scores, and thus could be an early indicator of low BMD in children and adolescents with various underlying conditions.
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Kim SM, Sultana F, Korkmaz F, Lizneva D, Yuen T, Zaidi M. Independent Skeletal Actions of Pituitary Hormones. Endocrinol Metab (Seoul) 2022; 37:719-731. [PMID: 36168775 PMCID: PMC9633224 DOI: 10.3803/enm.2022.1573] [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: 08/25/2022] [Accepted: 09/02/2022] [Indexed: 12/30/2022] Open
Abstract
Over the past years, pituitary hormones and their receptors have been shown to have non-traditional actions that allow them to bypass the hypothalamus-pituitary-effector glands axis. Bone cells-osteoblasts and osteoclasts-express receptors for growth hormone, follicle stimulating hormone (FSH), thyroid stimulating hormone (TSH), adrenocorticotrophic hormone (ACTH), prolactin, oxytocin, and vasopressin. Independent skeletal actions of pituitary hormones on bone have been studied using genetically modified mice with haploinsufficiency and by activating or inactivating the receptors pharmacologically, without altering systemic effector hormone levels. On another front, the discovery of a TSH variant (TSH-βv) in immune cells in the bone marrow and skeletal action of FSHβ through tumor necrosis factor α provides new insights underscoring the integrated physiology of bone-immune-endocrine axis. Here we discuss the interaction of each pituitary hormone with bone and the potential it holds in understanding bone physiology and as a therapeutic target.
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Affiliation(s)
- Se-Min Kim
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Corresponding authors: Se-Min Kim. The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, PO Box 1055, New York, NY 10029, USA Tel: +1-212-241-8797, Fax: +1-212-426-8312 E-mail:
| | - Farhath Sultana
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Funda Korkmaz
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Daria Lizneva
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tony Yuen
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Mone Zaidi
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mone Zaidi. The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, PO Box 1055, New York, NY 10029, USA Tel: +1-212-241-8797, Fax: +1-212-426-8312, E-mail:
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Fang LN, Zhong S, Ma D, Hao YM, Gao Y, Zhang L, Shen LW, Sun HP, Lu K, Li C. Association between thyroid hormones and skeletal muscle and bone in euthyroid type 2 diabetes patients. Ther Adv Chronic Dis 2022; 13:20406223221107848. [PMID: 35813190 PMCID: PMC9260573 DOI: 10.1177/20406223221107848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 06/01/2022] [Indexed: 11/25/2022] Open
Abstract
Background: The impact of thyroid hormones within their normal ranges on skeletal muscle
and bone in patients with type 2 diabetes mellitus (T2DM) remains unknown.
The purpose of this study was to investigate the relationships of thyroid
hormones with muscle and bone in euthyroid patients with T2DM. Methods: This cross-sectional study included 344 euthyroid T2DM patients. Muscle mass
and bone mineral density were measured by dual-energy X-ray absorptiometry.
The levels of thyroid-stimulating hormone (TSH), free triiodothyronine
(FT3), and free thyroxin (FT4) were measured by electrochemiluminescence
immunoassay. Results: The results revealed that FT3 was positively correlated with body mass index
(BMI) in male patients after age correction. In men, FT4 was negatively
correlated with body weight, BMI, total muscle mass, appendicular skeletal
muscle mass (ASM), and ASM index (ASMI), while FT3/FT4 was positively
correlated with body weight, BMI, total muscle mass, ASM, and ASMI after age
correction. In women, FT4 was negatively correlated with ASM and ASMI, while
FT3/FT4 was positively correlated with ASM and ASMI after age correction.
FT3/FT4 was significantly lower in men with low muscle mass than in those
with normal muscle mass. The age-adjusted odds for incident low muscle mass
comparing the lowest and highest FT3/FT4 increased in men. Conclusions: FT3/FT4 was positively correlated with ASM and ASMI in both men and women.
Therefore, FT3/FT4 may be a parameter indicative of low muscle mass in
euthyroid men with T2DM.
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Affiliation(s)
- Ling-Na Fang
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Shao Zhong
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Dan Ma
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Yan-Min Hao
- Department of Orthopaedics, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Yan Gao
- Department of Orthopaedics, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Li Zhang
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Li-Wen Shen
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - He-Ping Sun
- Department of Endocrinology and Metabolism, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Ke Lu
- Department of Orthopaedics, Kunshan Hospital Affiliated with Jiangsu University, Kunshan, China
| | - Chong Li
- Department of Orthopaedics, Kunshan Hospital Affiliated with Jiangsu University, Qianjin road 91#, Kunshan, Jiangsu, 215300, China(mainland)
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11
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Sheng N, Xing F, Wang J, Duan X, Xiang Z. T4 rather than TSH correlates with BMD among euthyroid adults. Front Endocrinol (Lausanne) 2022; 13:1039079. [PMID: 36699030 PMCID: PMC9868946 DOI: 10.3389/fendo.2022.1039079] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/30/2022] [Indexed: 01/12/2023] Open
Abstract
PURPOSE The objective of this study was to evaluate the association between thyroid hormone and bone mineral density (BMD) among euthyroid adults. METHODS This cross-sectional study researched the information from the National Health and Nutrition Examination Survey 2007-2010. We included 3,759 euthyroid participants finally. We used multivariate linear regression models to evaluate the linear relationship between the thyroid hormone profile and BMD. Subgroup analyses stratified by gender and age were further performed. Moreover, the nonlinear relationship was characterized by fitted smoothing curves and generalized additive models, and logistic regression models were used to determine the association of thyroid-stimulating hormone (TSH) and thyroxine (T4) with previous fractures. RESULTS The weighted multivariable linear regression models showed no association between TSH and BMD. Free thyroxine (FT4), T4, free triiodothyronine (FT3), and total triiodothyronine (T3) were negatively associated with the total femur BMD and the total spine BMD after adjusting for all covariates. Subgroup analyses demonstrated that all groups had a negative association between T4 and BMD, even in patients with osteopenia/osteoporosis. The nonlinear relationship characterized by smooth curve fittings and generalized additive models suggested that an obvious U-shaped, an inverted U -shaped, and an L - shaped curve was exhibited between thyroid hormone and BMD in the different subgroups. In addition, normal high-level T4 was associated with an increased prevalence of previous fractures than normal low-level T4. CONCLUSIONS In this sample of euthyroid adults, T4 exhibits a negative correlation with BMD, regardless of age and gender, in subjects with either normal or lowered BMD. Moreover, high-normal FT4 was associated with an increased prevalence of previous fractures. TSH was not associated with variations of BMD and the fracture risk.
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Affiliation(s)
| | | | | | - Xin Duan
- *Correspondence: Xin Duan, ; Zhou Xiang,
| | - Zhou Xiang
- *Correspondence: Xin Duan, ; Zhou Xiang,
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12
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Kim SM, Ryu V, Miyashita S, Korkmaz F, Lizneva D, Gera S, Latif R, Davies TF, Iqbal J, Yuen T, Zaidi M. Thyrotropin, Hyperthyroidism, and Bone Mass. J Clin Endocrinol Metab 2021; 106:e4809-e4821. [PMID: 34318885 PMCID: PMC8864741 DOI: 10.1210/clinem/dgab548] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Thyrotropin (TSH), traditionally seen as a pituitary hormone that regulates thyroid glands, has additional roles in physiology including skeletal remodeling. Population-based observations in people with euthyroidism or subclinical hyperthyroidism indicated a negative association between bone mass and low-normal TSH. The findings of correlative studies were supported by small intervention trials using recombinant human TSH (rhTSH) injection, and genetic and case-based evidence. Genetically modified mouse models, which disrupt the reciprocal relationship between TSH and thyroid hormone, have allowed us to examine an independent role of TSH. Since the first description of osteoporotic phenotype in haploinsufficient Tshr +/- mice with normal thyroid hormone levels, the antiosteoclastic effect of TSH has been documented in both in vitro and in vivo studies. Further studies showed that increased osteoclastogenesis in Tshr-deficient mice was mediated by tumor necrosis factor α. Low TSH not only increased osteoclastogenesis, but also decreased osteoblastogenesis in bone marrow-derived primary osteoblast cultures. However, later in vivo studies using small and intermittent doses of rhTSH showed a proanabolic effect, which suggests that its action might be dose and frequency dependent. TSHR was shown to interact with insulin-like growth factor 1 receptor, and vascular endothelial growth factor and Wnt pathway might play a role in TSH's effect on osteoblasts. The expression and direct skeletal effect of a biologically active splice variant of the TSHβ subunit (TSHβv) in bone marrow-derived macrophage and other immune cells suggest a local skeletal effect of TSHR. Further studies of how locally secreted TSHβv and systemic TSHβ interact in skeletal remodeling through the endocrine, immune, and skeletal systems will help us better understand the hyperthyroidism-induced bone disease.
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Affiliation(s)
- Se-Min Kim
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Vitaly Ryu
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Sari Miyashita
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Funda Korkmaz
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Daria Lizneva
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Sakshi Gera
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Rauf Latif
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Terry F Davies
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Jameel Iqbal
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Tony Yuen
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Mone Zaidi
- The Mount Sinai Bone Program, Departments of Pharmacological Sciences and of Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Correspondence: The Mount Sinai Bone Program, Departments of Pharmacological Sciences and Medicine, and Center of Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, 1428 Madison Avenue, 4th Floor, Box 1055, New York, NY 10029, USA.
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13
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Yang L, Wang H, Guo J, Zheng G, Wei D, Zhang T. Low Normal TSH Levels and Thyroid Autoimmunity are Associated with an Increased Risk of Osteoporosis in Euthyroid Postmenopausal Women. Endocr Metab Immune Disord Drug Targets 2021; 21:859-865. [PMID: 32778042 DOI: 10.2174/1871530320666200810144506] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/23/2020] [Accepted: 07/08/2020] [Indexed: 11/22/2022]
Abstract
Background and Objective:
Studies on the relationship of thyroid stimulating hormone
(TSH) within the reference range and thyroid autoimmunity with osteoporosis have produced conflicting
results. The objective of this study was to investigate the association of thyroid function and thyroid
autoimmune bodies (TPOAb and TgAb) with osteoporosis in euthyroid postmenopausal women.
Methods:
A total of 174 subjects were retrospectively included. Serum TSH, total T3, total T4,
TPOAb, TgAb, vitamin D, calcium and bone mineral density were measured. Correlation and logistic
multivariate regression analysis were performed.
Results:
Levels of TSH were lower in osteoporosis group (TSH: 2.03±1.08 vs 2.40±1.24 mIU/L,
p=0.040) while TT3 and TT4 levels were similar between the two groups. The positive percentage of
anti-TPO antibodies was higher in osteoporosis group (17.9% vs 6.7%, χ2= 5.13, p=0.024) while no
significant difference was observed for anti-Tg antibodies (17.9% vs 8.9%, χ2=3.05, p=0.081). The
Spearman correlation analysis showed that TSH levels were significantly correlated with lumbar spine
BMD (r= 0.161, P=0.035) and femoral neck BMD (r = 0.152, P= 0.045). Logistical regression analysis
revealed that low-normal TSH levels and positive TPOAb was an independent risk factor for osteoporosis
(OR: 0.698, 95% CI: 0.505-0.965, p=0.030; OR: 3.961, 95% CI: 1.176-13.345, p=0.026 respectively).
Conclusion:
The results showed that low-normal TSH levels and anti-TPO antibodies were independently
associated with the presence of osteoporosis in postmenopausal women.
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Affiliation(s)
- Libo Yang
- Department of Endocrinology, Taian City Central Hospital, Tai'an, Shandong Province, China
| | - Hongmei Wang
- Department of Endocrinology, Taian City Central Hospital, Tai'an, Shandong Province, China
| | - Jinying Guo
- Department of Endocrinology, Taian City Central Hospital, Tai'an, Shandong Province, China
| | - Guanlin Zheng
- Taishan Vocational College of Nursing, Tai'an, Shandong Province, China
| | - Dailin Wei
- Department of Endocrinology, Taian City Central Hospital, Tai'an, Shandong Province, China
| | - Tie Zhang
- Department of Endocrinology, Taian City Central Hospital, Tai'an, Shandong Province, China
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14
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Liu C, Pan J, Wen S, Nguyen T, Xu D, Wang C, Yuan X, Wen Z, Zhou L. Low TSH Levels Within Euthyroid Range Could Play a Negative Role on Bone Mineral Density in Postmenopausal Women with Type 2 Diabetes. Diabetes Metab Syndr Obes 2021; 14:2349-2355. [PMID: 34079313 PMCID: PMC8163625 DOI: 10.2147/dmso.s307633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/04/2021] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE We aimed to evaluate the relationship between thyroid-stimulating hormone (TSH) and bone mineral density (BMD) in euthyroid type 2 diabetes (T2D). METHODS This retrospective analysis enrolled 439 T2D patients with normal thyroid function, including 226 males and 213 females. All the female patients were postmenopausal. Serum glycosylated hemoglobin A1c (HbA1c), TSH, free triiodothyronine (FT3), and free thyroxine (FT4) concentrations were analyzed. BMD of the lumbar spine (L1-L4), femoral neck, and hip joint was determined using dual-energy X-ray absorptiometry. RESULTS The patients were grouped based on tri-sectional quantiles of the TSH levels: 0.55~1.70mIU/L (Group 1), 1.71~2.58mIU/L (Group 2), and 2.59~4.74mIU/L (Group 3). Our data showed that, in male patients, no difference in BMD was identified among groups. In postmenopausal women, unlike at the lumbar spine (P = 0.459), the mean BMD at the femoral neck (P = 0.014) and hip joint (P = 0.014) had a statistical difference among groups and increased with TSH level. In addition, our analysis demonstrated that TSH levels shown no correlation with BMD at all sites in males. However, in females, BMD at the femoral neck (r = 0.156, P = 0.023) and hip joint (r = 0.172, P = 0.012) had a positive correlation with TSH levels. After adjusting for age and BMI, multiple regression analysis showed that TSH levels influenced BMD at the femoral neck (β = 0.188, P = 0.001) and hip joint (β = 0.204, P = 0.001) in female patients. CONCLUSION In summary, our data demonstrates that low TSH levels are associated with decreased BMD at the femoral neck and hip joint in postmenopausal T2D women with euthyroidism.
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Affiliation(s)
- Congying Liu
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Junhong Pan
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Song Wen
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Thiquynhnga Nguyen
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Dongxiang Xu
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Chaoxun Wang
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Xinlu Yuan
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Zhongqiu Wen
- Department of Information Center, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
| | - Ligang Zhou
- Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People’s Republic of China
- Shanghai Key Laboratory of Vascular Lesions Regulation and Remodeling, Shanghai Pudong Hospital, Fudan University, Shanghai, 201399, People's Republic of China
- Correspondence: Ligang Zhou Department of Endocrinology, Shanghai Pudong Hospital, Fudan University, 2800 Gongwei Road, Huinan Town, Pudong New Area, Shanghai, 201399, People’s Republic of ChinaTel +8613611927616 Email
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15
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Xu N, Wang Y, Xu Y, Li L, Chen J, Mai X, Xu J, Zhang Z, Yang R, Sun J, Chen H, Chen R. Effect of subclinical hyperthyroidism on osteoporosis: A meta-analysis of cohort studies. Endocrine 2020; 69:39-48. [PMID: 32207036 DOI: 10.1007/s12020-020-02259-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 03/03/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The effect of subclinical hyperthyroidism (SH) on bone mineral density (BMD) remains unclear, as do the linking mechanisms. This review aims to investigate the relationship between SH and bone loss in terms of the gender-dependent effects of SH on BMD. METHODS The PUBMED, EMBASE, OVID, MEDLINE, SINOMED and COCHRANE LIBRARY databases (inception to August 12, 2019) were searched for cohort studies investigating the effects of SH on BMD. Eligible studies were subjected to qualitative and quantitative analysis using a random-effects model meta-analysis with the Cochrane systematic evaluation method. RESULTS Twelve cohort studies involving 275,086 participants who were followed for 3 months to 13 years were included based on predefined inclusion and exclusion criteria. The results indicated that SH did not affect lumbar spine BMD in females or males. However, a significant reduction in femoral neck BMD was observed in females, but not in males. Further, there was a significant increase in hip fractures events in both females and males with SH. CONCLUSIONS The present findings indicate that SH is significantly associated with hip fracture risk, and therefore, it is important to assess the risk of fractures in patients with SH. Future studies should focus on methods for accurately determining this risk in patients with SH and providing them with timely and efficient diagnosis and treatment.
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Affiliation(s)
- Ningning Xu
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yaxian Wang
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yuying Xu
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Lishan Li
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jiaqi Chen
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xudong Mai
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jie Xu
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Zhen Zhang
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Rui Yang
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jia Sun
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Hong Chen
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
| | - Rongping Chen
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
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16
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Zantut-Wittmann DE, Quintino-Moro A, dos Santos PNS, Melhado-Kimura V, Bahamondes L, Fernandes A. Lack of Influence of Thyroid Hormone on Bone Mineral Density and Body Composition in Healthy Euthyroid Women. Front Endocrinol (Lausanne) 2019; 10:890. [PMID: 31998231 PMCID: PMC6965015 DOI: 10.3389/fendo.2019.00890] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 12/05/2019] [Indexed: 11/17/2022] Open
Abstract
Objective: The objective of this study was to evaluate whether evolution of bone mineral density (BMD) is associated with the thyroid hormone profile in a cohort of euthyroid women with no other known diseases within 1 year. Methods: This was a prospective cohort study conducted at the University of Campinas, Brazil. We used a database with 52 women aged 20-39 who were followed for 1 year in a family planning outpatient clinic. The inclusion criteria were body mass index (BMI) <30 kg/m2, no known diseases/medication use, fasting glucose <100 mg/dl, and 2 h glucose after a 75 g oral glucose load <140 mg/dl. The women were divided into groups of normal weight (n = 30) and overweight (n = 22). The main outcomes were BMD measured by dual-energy x-ray absorptiometry (DXA) and thyroid hormone profile (thyrotropin TSH, free triiodothyronine FT3, free thyroxine FT4, and T3/T4 ratio); other variables were body composition (DXA), calcium metabolism markers, and life habits. We used a repeated measures analysis of variance (ANOVA) and multiple regression analyses to evaluate associations. Results: At the baseline data collection, overweight women showed a higher T3/T4 ratio, leptin, calcium, BMD in the lumbar spine and total femur, total mass, mass, and percentage of fat mass than normal weight women. At 12 months, both groups had increased FT4, calcium, ALP, femoral neck BMD, and total mass by time effect. The normal weight group presented a decrease of vitamin D when compared to the baseline. Increased BMD of the femoral neck was associated with moderate coffee intake, and as such, there were no associations found between this increase and the thyroid hormone profile. Leptin and ALP were associated with total mass variation, while leptin and PTH were associated with fat mass variation. The normal BMI was inversely associated with the variation of total mass, mass, and percentage of fat mass, and engaging in regular physical activity was inversely associated with fat mass variation. Conclusions: In this sample of euthyroid healthy women who were both normal weight and overweight, the thyroid hormone profile was not associated with variations in bone mineral density and body composition after a 1 year follow-up.
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Affiliation(s)
| | - Alessandra Quintino-Moro
- Family Planning Clinic of Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, São Paulo, Brazil
| | - Priscilla Nazaré Silva dos Santos
- Family Planning Clinic of Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, São Paulo, Brazil
| | - Vaneska Melhado-Kimura
- Family Planning Clinic of Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, São Paulo, Brazil
| | - Luís Bahamondes
- Family Planning Clinic of Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, São Paulo, Brazil
| | - Arlete Fernandes
- Family Planning Clinic of Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, São Paulo, Brazil
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17
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Mazziotti G, Frara S, Giustina A. Pituitary Diseases and Bone. Endocr Rev 2018; 39:440-488. [PMID: 29684108 DOI: 10.1210/er.2018-00005] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 04/16/2018] [Indexed: 12/12/2022]
Abstract
Neuroendocrinology of bone is a new area of research based on the evidence that pituitary hormones may directly modulate bone remodeling and metabolism. Skeletal fragility associated with high risk of fractures is a common complication of several pituitary diseases such as hypopituitarism, Cushing disease, acromegaly, and hyperprolactinemia. As in other forms of secondary osteoporosis, pituitary diseases generally affect bone quality more than bone quantity, and fractures may occur even in the presence of normal or low-normal bone mineral density as measured by dual-energy X-ray absorptiometry, making difficult the prediction of fractures in these clinical settings. Treatment of pituitary hormone excess and deficiency generally improves skeletal health, although some patients remain at high risk of fractures, and treatment with bone-active drugs may become mandatory. The aim of this review is to discuss the physiological, pathophysiological, and clinical insights of bone involvement in pituitary diseases.
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Affiliation(s)
| | - Stefano Frara
- Institute of Endocrinology, Università Vita-Salute San Raffaele, Milan, Italy
| | - Andrea Giustina
- Institute of Endocrinology, Università Vita-Salute San Raffaele, Milan, Italy
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18
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Zaidi M, New MI, Blair HC, Zallone A, Baliram R, Davies TF, Cardozo C, Iqbal J, Sun L, Rosen CJ, Yuen T. Actions of pituitary hormones beyond traditional targets. J Endocrinol 2018; 237:R83-R98. [PMID: 29555849 PMCID: PMC5924585 DOI: 10.1530/joe-17-0680] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 03/19/2018] [Indexed: 01/14/2023]
Abstract
Studies over the past decade have challenged the long-held belief that pituitary hormones have singular functions in regulating specific target tissues, including master hormone secretion. Our discovery of the action of thyroid-stimulating hormone (TSH) on bone provided the first glimpse into the non-traditional functions of pituitary hormones. Here we discuss evolving experimental and clinical evidence that growth hormone (GH), follicle-stimulating hormone (FSH), adrenocorticotrophic hormone (ACTH), prolactin, oxytocin and arginine vasopressin (AVP) regulate bone and other target tissues, such as fat. Notably, genetic and pharmacologic FSH suppression increases bone mass and reduces body fat, laying the framework for targeting the FSH axis for treating obesity and osteoporosis simultaneously with a single agent. Certain 'pituitary' hormones, such as TSH and oxytocin, are also expressed in bone cells, providing local paracrine and autocrine networks for the regulation of bone mass. Overall, the continuing identification of new roles for pituitary hormones in biology provides an entirely new layer of physiologic circuitry, while unmasking new therapeutic targets.
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Affiliation(s)
- Mone Zaidi
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Correspondence: Mone Zaidi, MD, PhD, The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1055, New York, NY 10029;
| | - Maria I. New
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Harry C. Blair
- The Pittsburgh VA Medical Center and Departments of Pathology and of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Alberta Zallone
- Department of Histology, University of Bari, 70121 Bari, Italy
| | - Ramkumarie Baliram
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Terry F. Davies
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Christopher Cardozo
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - James Iqbal
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Li Sun
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Tony Yuen
- The Mount Sinai Bone Program, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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19
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20
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Abstract
Thyroid hormones are essential for skeletal development and are important regulators of bone maintenance in adults. Childhood hypothyroidism causes delayed skeletal development, retarded linear growth and impaired bone mineral accrual. Epiphyseal dysgenesis is evidenced by classic features of stippled epiphyses on X-ray. In severe cases, post-natal growth arrest results in a complex skeletal dysplasia. Thyroid hormone replacement stimulates catch-up growth and bone maturation, but recovery may be incomplete dependent on the duration and severity of hypothyroidism prior to treatment. A severe phenotype characteristic of hypothyroidism occurs in children with resistance to thyroid hormone due to mutations affecting THRA encoding thyroid hormone receptor α (TRα). Discovery of this rare condition recapitulated animal studies demonstrating that TRα mediates thyroid hormone action in the skeleton. In adults, thyrotoxicosis is well known to cause severe osteoporosis and fracture, but cases are rare because of prompt diagnosis and treatment. Recent data, however, indicate that subclinical hyperthyroidism is associated with low bone mineral density (BMD) and an increased risk of fracture. Population studies have also shown that variation in thyroid status within the reference range in post-menopausal women is associated with altered BMD and fracture risk. Thus, thyroid status at the upper end of the euthyroid reference range is associated with low BMD and increased risk of osteoporotic fragility fracture. Overall, extensive data demonstrate that euthyroid status is required for normal post-natal growth and bone mineral accrual, and is fundamental for maintenance of adult bone structure and strength.
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Affiliation(s)
- G. R. Williams
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, 10N5 Commonwealth Building, London, W12 0NN UK
| | - J. H. D. Bassett
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, 10N6 Commonwealth Building, London, W12 0NN UK
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Laine CM, Landin-Wilhelmsen K. Case report: fast reversal of severe osteoporosis after correction of excessive levothyroxine treatment and long-term follow-up. Osteoporos Int 2017; 28:2247-2250. [PMID: 28324131 PMCID: PMC5486913 DOI: 10.1007/s00198-017-3981-8] [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: 10/17/2016] [Accepted: 02/22/2017] [Indexed: 11/08/2022]
Abstract
UNLABELLED This case report describes a 38-year-old woman, who presented with bilateral femoral stress fractures and osteoporosis after years of excessive levothyroxine treatment. Her bone health was restored rapidly and long-lasting with the reduction of levothyroxine dosage. No bone-active treatment was warranted. INTRODUCTION Hyperthyroidism is a known risk factor for osteoporosis and fractures. Recent studies on patients with serum thyrotropin-suppressive therapy have not, however, indicated adverse effects on bone during long-term follow-up. METHODS This case report describes long-term follow-up data of a clinically euthyreoid patient, who developed symptomatic osteoporosis due to excessive levothyroxine treatment. RESULTS After correction of levothyroxine dosage, her bone mineral density (BMD) and previously elevated serum osteocalcin levels normalized rapidly and she remained free from fractures during 23 years of follow-up over menopause. CONCLUSION Excessive TSH suppression contributed to the secondary osteoporosis in this patient; BMD normalized after dose reduction of levothyroxine and no fractures occurred during 23 years' follow-up. Some patients develop severe osteoporosis if they are over-substituted with levothyroxine, and decent follow-up of patients with levothyroxine supplementation is mandatory.
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Affiliation(s)
- C M Laine
- Section for Diabetology and Endocrinology, Department of Medicine, Sahlgrenska University Hospital, Institution of Medicine, Sahlgrenska Academy, University of Gothenburg, 41345, Gothenburg, Sweden.
| | - K Landin-Wilhelmsen
- Section for Diabetology and Endocrinology, Department of Medicine, Sahlgrenska University Hospital, Institution of Medicine, Sahlgrenska Academy, University of Gothenburg, 41345, Gothenburg, Sweden
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Zaidi M, Sun L, Liu P, Davies TF, New M, Zallone A, Yuen T. Pituitary-bone connection in skeletal regulation. Horm Mol Biol Clin Investig 2017; 28:85-94. [PMID: 27508964 DOI: 10.1515/hmbci-2016-0015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 07/11/2016] [Indexed: 11/15/2022]
Abstract
Pituitary hormones have traditionally been thought to exert specific, but limited function on target tissues. More recently, the discovery of these hormones and their receptors in organs such as the skeleton suggests that pituitary hormones have more ubiquitous functions. Here, we discuss the interaction of growth hormone (GH), follicle stimulating hormone (FSH), thyroid stimulating hormone (TSH), adrenocorticotrophic hormone (ACTH), prolactin, oxytocin and arginine vasopressin (AVP) with bone. The direct skeletal action of pituitary hormones therefore provides new insights and therapeutic opportunities for metabolic bone diseases, prominently osteoporosis.
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Abstract
The skeleton is an exquisitely sensitive and archetypal T3-target tissue that demonstrates the critical role for thyroid hormones during development, linear growth, and adult bone turnover and maintenance. Thyrotoxicosis is an established cause of secondary osteoporosis, and abnormal thyroid hormone signaling has recently been identified as a novel risk factor for osteoarthritis. Skeletal phenotypes in genetically modified mice have faithfully reproduced genetic disorders in humans, revealing the complex physiological relationship between centrally regulated thyroid status and the peripheral actions of thyroid hormones. Studies in mutant mice also established the paradigm that T3 exerts anabolic actions during growth and catabolic effects on adult bone. Thus, the skeleton represents an ideal physiological system in which to characterize thyroid hormone transport, metabolism, and action during development and adulthood and in response to injury. Future analysis of T3 action in individual skeletal cell lineages will provide new insights into cell-specific molecular mechanisms and may ultimately identify novel therapeutic targets for chronic degenerative diseases such as osteoporosis and osteoarthritis. This review provides a comprehensive analysis of the current state of the art.
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Affiliation(s)
- J H Duncan Bassett
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, London W12 0NN, United Kingdom
| | - Graham R Williams
- Molecular Endocrinology Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, London W12 0NN, United Kingdom
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