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Mercadante S, Bellastella A. Chrono-Endocrinology in Clinical Practice: A Journey from Pathophysiological to Therapeutic Aspects. Life (Basel) 2024; 14:546. [PMID: 38792568 PMCID: PMC11121809 DOI: 10.3390/life14050546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/26/2024] Open
Abstract
This review was aimed at collecting the knowledge on the pathophysiological and clinical aspects of endocrine rhythms and their implications in clinical practice, derived from the published literature and from some personal experiences on this topic. We chose to review, according to the PRISMA guidelines, the results of original and observational studies, reviews, meta-analyses and case reports published up to March 2024. Thus, after summarizing the general aspects of biological rhythms, we will describe the characteristics of several endocrine rhythms and the consequences of their disruption, paying particular attention to the implications in clinical practice. Rhythmic endocrine secretions, like other physiological rhythms, are genetically determined and regulated by a central hypothalamic CLOCK located in the suprachiasmatic nucleus, which links the timing of the rhythms to independent clocks, in a hierarchical organization for the regulation of physiology and behavior. However, some environmental factors, such as daily cycles of light/darkness, sleep/wake, and timing of food intake, may influence the rhythm characteristics. Endocrine rhythms are involved in important physiological processes and their disruption may cause several disorders and also cancer. Thus, it is very important to prevent disruptions of endocrine rhythms and to restore a previously altered rhythm by an early corrective chronotherapy.
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Affiliation(s)
| | - Antonio Bellastella
- Department of Cardiothoracic and Respiratory Sciences, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy;
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Soylu H, Ersoy R, Keske PB, Tunçay ME, Ateş C, Çakır B, Yalçın B. The diurnal change of thyroid-stimulating hormone and the effect of this change on thyroid functions in patients with chronic kidney disease. Endocrine 2023; 82:580-585. [PMID: 37490264 DOI: 10.1007/s12020-023-03446-z] [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: 01/22/2023] [Accepted: 07/01/2023] [Indexed: 07/26/2023]
Abstract
PURPOSE Thyroid-stimulating hormone (TSH) has a pulsatile and circadian rhythm in healthy individuals. We aimed to evaluate the diurnal changes of free thyroid hormones and serum TSH levels in patients with end-stage renal failure (ESRF) whose thyroidal functions are at normal ranges. METHODS Thirty hemodialysis patients with chronic renal failure and without a known thyroidal disease who are over 18 and 35 healthy individuals were included. The serum TSH, free T3, and free T4 levels were examined among the patient and control group which were taken at 8:00 a.m., 4:00 p.m., and 0:00 a.m. RESULTS Twenty-two (73.3%) patients were male, and the mean age of the patient group was 64 (sd = 14.45 years). Seventeen (48.6%) of the control group were female, and the mean age was 31.9 (sd = 6.4 years). Serum free T3 levels, measured at three different time points (8:00 a.m., 4:00 p.m., and 0:00 a.m.), were significantly lower in the patient group than in the control group and serum free T4 levels were measured at three different time points (8:00 am, 4:00 p.m., and 0:00 a.m.) were significantly higher in the patient group than in the control group. Serum TSH levels were higher in the patient group than in the control group at 08:00, and were lower at 24:00 (p < 0.001). The nocturnal increase of serum TSH level under 0.525 suggested diurnal rhythm disruption with 83% sensitivity and 87% specificity. CONCLUSION The nocturnal serum TSH increase is not seen in ESRF patients who did not have a thyroid disease. We think that not observing a nocturnal TSH increase could be an early indication of the sick euthyroid syndrome.
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Affiliation(s)
- Hüseyin Soylu
- Batman Training and Research Hospital, Batman, Turkey.
| | - Reyhan Ersoy
- Ankara Yıldırım Beyazıt University, Medicine Faculty, Ankara, Turkey
| | - Pelin Bal Keske
- Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Education Research Hospital, Department of Intensive Care, Istanbul, Turkey
| | | | - Can Ateş
- Aksaray University, Medicine Faculty Department of Biostatistics, Aksaray, Turkey
| | - Bekir Çakır
- Ankara Yıldırım Beyazıt University, Medicine Faculty, Ankara, Turkey
| | - Bülent Yalçın
- Ankara Yıldırım Beyazıt University, Medicine Faculty, Ankara, Turkey
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Rong F, Dai H, Wu Y, Li J, Liu G, Chen H, Zhang X. Association between thyroid dysfunction and type 2 diabetes: a meta-analysis of prospective observational studies. BMC Med 2021; 19:257. [PMID: 34670571 PMCID: PMC8529738 DOI: 10.1186/s12916-021-02121-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Diabetes mellitus and thyroid disease are two areas of broad interest in the field of endocrinology and metabolism. Variation of thyroid hormone concentration, even within the normal range, may portend the onset of type 2 diabetes mellitus (T2DM), especially among those with prediabetes. However, current evidence is mixed. METHODS Prospective studies which assessed diabetes incidence were identified using a database search of MEDLINE and Embase through May 1, 2021. The Sidik-Jonkman random-effects model and cubic spline model were used to evaluate the associations and dose-response relationships between thyroid function/hormone levels and risk of T2DM and cardiovascular disease (CVD) risk among T2DM patients. RESULTS A total of 12 prospective studies were included. We found that high baseline TSH levels were related to a 17% higher risk of T2DM (RR 1.17, 95% CI 1.01, 1.36; I2=78%, P<0.01), compared with normal TSH levels. Low FT3 (RR 1.40, 95% CI 1.09, 1.80; I2=59%, P=0.03) and low FT4 (RR 1.33, 95% CI 1.04, 1.71; I2=62%, P=0.02) levels were significantly associated with risk of T2DM. The cubic spline model indicated a J-shaped relationship with TSH, but inverted-J-shaped relationships with FT3 and FT4. CVD events and all-cause deaths were prospectively evaluated in four studies, but were not associated with abnormal thyroid function. CONCLUSIONS Our meta-analysis determined that abnormal thyroid hormone level is associated with an increased risk of T2DM, showing a J-shaped relationship with TSH and inverted-J-shaped relationships with FT3 and FT4. TRIAL REGISTRATION Registered number in PROSPERO: CRD42021225695 .
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Affiliation(s)
- Fen Rong
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongji Dai
- Department of Epidemiology and Biostatistics, National Clinical Research Center for Cancer, Key Laboratory of Molecular Cancer Epidemiology of Tianjin, Tianjin Medical University Cancer Institute and Hospital, Tianjin Medical University, Tianjin, China
| | - Yuwan Wu
- Department of Pediatrics, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jibin Li
- Department of Clinical Research, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Guoping Liu
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203, Shanghai, China.
| | - Hanbei Chen
- Department of Endocrinology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665 Kongjiang Road, Shanghai, 200092, China.
| | - Xi Zhang
- Clinical Research Unit, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, No. 1665 Kongjiang Road, Shanghai, 200092, China.
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The effect of food groups and nutrients on thyroid hormone levels in healthy individuals. Nutrition 2021; 91-92:111394. [PMID: 34303955 DOI: 10.1016/j.nut.2021.111394] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/26/2022]
Abstract
OBJECTIVES The aim of the study was to analyze the association of dietary groups (groups of food items) with thyroid hormone levels in healthy individuals. METHODS This cross-sectional study enrolled 4585 healthy individuals from the Dalmatian region of south Croatia with measurements of plasma free triiodothyronine (fT3), free thyroxine (fT4), and thyroid-stimulating hormone (TSH) levels. Dietary intake was assessed according to data of the completed food frequency questionnaire, containing 58 food items. Principal component analysis was performed to reduce food items into dietary groups, followed by linear regression analyses to test the association between dietary groups and fT3, fT4, and TSH levels. RESULTS Among the 4585 healthy individuals, we observed lower plasma fT3 and fT4 levels and higher TSH levels in women than in men. Smokers were found to have significantly lower TSH levels than non-smokers and ex-smokers, and participants with higher fasting glucose levels had higher fT4 levels. Different dietary groups (factors) showed association with fT3, fT4, and TSH levels. It was observed that dietary factors (with frequent consumption of fruit juices, Cedevita vitamin drink, and non-alcoholic drinks) that negatively affected TSH levels simultaneously had a positive effect on fT4, satisfying the expected pattern of effects. CONCLUSIONS In our study, frequent consumption of foods with a high glycemic index showed a positive association with fT3 and fT4 levels and a negative association with TSH levels, whereas foods rich in saturated fatty acids and with a high protein concentration showed a negative association with fT3 and fT4 levels.
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Bellastella G, Maiorino MI, Scappaticcio L, De Bellis A, Mercadante S, Esposito K, Bellastella A. Chronothyroidology: Chronobiological Aspects in Thyroid Function and Diseases. Life (Basel) 2021; 11:life11050426. [PMID: 34068480 PMCID: PMC8151474 DOI: 10.3390/life11050426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 12/15/2022] Open
Abstract
Chronobiology is the scientific discipline which considers biological phenomena in relation to time, which assumes itself biological identity. Many physiological processes are cyclically regulated by intrinsic clocks and many pathological events show a circadian time-related occurrence. Even the pituitary–thyroid axis is under the control of a central clock, and the hormones of the pituitary–thyroid axis exhibit circadian, ultradian and circannual rhythmicity. This review, after describing briefly the essential principles of chronobiology, will be focused on the results of personal experiences and of other studies on this issue, paying particular attention to those regarding the thyroid implications, appearing in the literature as reviews, metanalyses, original and observational studies until 28 February 2021 and acquired from two databases (Scopus and PubMed). The first input to biological rhythms is given by a central clock located in the suprachiasmatic nucleus (SCN), which dictates the timing from its hypothalamic site to satellite clocks that contribute in a hierarchical way to regulate the physiological rhythmicity. Disruption of the rhythmic organization can favor the onset of important disorders, including thyroid diseases. Several studies on the interrelationship between thyroid function and circadian rhythmicity demonstrated that thyroid dysfunctions may affect negatively circadian organization, disrupting TSH rhythm. Conversely, alterations of clock machinery may cause important perturbations at the cellular level, which may favor thyroid dysfunctions and also cancer.
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Affiliation(s)
- Giuseppe Bellastella
- Unit of Endocrinology and Metabolic Diseases, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (G.B.); (M.I.M.); (L.S.); (A.D.B.)
| | - Maria Ida Maiorino
- Unit of Endocrinology and Metabolic Diseases, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (G.B.); (M.I.M.); (L.S.); (A.D.B.)
| | - Lorenzo Scappaticcio
- Unit of Endocrinology and Metabolic Diseases, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (G.B.); (M.I.M.); (L.S.); (A.D.B.)
| | - Annamaria De Bellis
- Unit of Endocrinology and Metabolic Diseases, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (G.B.); (M.I.M.); (L.S.); (A.D.B.)
| | - Silvia Mercadante
- Diabetes Unit, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (K.E.)
| | - Katherine Esposito
- Diabetes Unit, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (S.M.); (K.E.)
| | - Antonio Bellastella
- Department of Cardiothoracic and Respiratory Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Correspondence:
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Tromba V, Silvestri F, Costantino F. Type 1 diabetes mellitus and thyroid diseases: relationship between glycometabolism and thyroid function. MINERVA ENDOCRINOL 2019; 45:70-71. [PMID: 31286754 DOI: 10.23736/s0391-1977.19.02996-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Valeria Tromba
- Section of Diabetology, Department of Pediatrics, Sapienza University, Rome, Italy -
| | - Francesca Silvestri
- Section of Diabetology, Department of Pediatrics, Sapienza University, Rome, Italy
| | - Francesco Costantino
- Section of Diabetology, Department of Pediatrics, Sapienza University, Rome, Italy
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Ren R, Ma Y, Deng F, Li T, Wang H, Wei J, Jiang X, He M, Tian M, Liu D, Chen B, Deng W. Association between serum TSH levels and metabolic components in euthyroid subjects: a nationwide population-based study. Diabetes Metab Syndr Obes 2019; 12:1563-1569. [PMID: 31686877 PMCID: PMC6709806 DOI: 10.2147/dmso.s202769] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Whether a relationship exists between various metabolic factors and thyroid-stimulating hormone (TSH) levels in euthyroid persons remains unknown. This study aims to explore the relationship between TSH levels and metabolic factors in euthyroid individuals. METHODS A total of 2,663 subjects were enrolled from a nationwide population-based cross-sectional survey of iodine nutrition, thyroid disease and diabetes in China (2014-2017). Euthyroid individuals were divided into four groups according to quartiles of TSH levels: group A (n=305, 0.3-1.3 mIU/L), group B (n=829, 1.3-2.2 mIU/L), group C (n=673, 2.2-3.2 mIU/L) and group D (n=349, 3.2-4.2 mIU/L). Anthropometric parameters, biochemical indicators and TSH levels were determined. RESULTS A total of 2,156 euthyroid subjects with serum TSH levels within the normal range accounted for 86.8% of the sample. The systolic blood pressure (SBP) in group D was significantly higher than that in the other three groups. Group C displayed significantly lower thyroid peroxidase antibody (TPOAb) levels than the other three groups. Group C also had lower anti-thyroglobulin antibody (TgAb) levels than groups A and D, whereas the TgAb levels in group B were only lower than those in group A. Spearman's or Pearson's linear regression analysis showed that SBP (r=0.054; P=0.013) was positively correlated with TSH, but cholesterol (TC) (r=-0.043, P=0.047) was negatively correlated with TSH. Multiple stepwise regression analysis revealed that SBP, the urinary iodine concentration (UIC), waist circumference (WC), body mass index (BMI), TC, triglycerides (TGs) and low-density lipoprotein cholesterol (LDL-C) were independent predictors of serum TSH levels. CONCLUSION This large population-based study demonstrates a significant interaction between metabolic factors and TSH levels. An adverse weight status, high blood pressure levels, blood lipid metabolism disorder and excessive iodine intake may be early manifestations of thyroid disease in euthyroid subjects.
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Affiliation(s)
- Rui Ren
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
- Department of Endocrinology, Southwest Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Yu Ma
- Department of Endocrinology, Southwest Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Fang Deng
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
| | - Tao Li
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
| | - Hongyan Wang
- Department of Endocrinology, Southwest Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Jing Wei
- Department of Endocrinology, General Hospital of Xinjiang Military Region, PLA, Urumqi, People’s Republic of China
| | - Xiaoyan Jiang
- Department of Endocrinology, Southwest Hospital, Army Medical University, Chongqing, People’s Republic of China
| | - Min He
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
| | - Mingyuan Tian
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, People’s Republic of China
| | - Dongfang Liu
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, People’s Republic of China
| | - Bing Chen
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
| | - Wuquan Deng
- Department of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing, People’s Republic of China
- Department of Endocrinology, Southwest Hospital, Army Medical University, Chongqing, People’s Republic of China
- Correspondence: Wuquan DengDepartment of Endocrinology and Nephrology, Chongqing University Central Hospital, Chongqing Emergency Medical Center, No. 1 Jiankang Road, Yuzhong District, Chongqing, People’s Republic of ChinaTel +86 236 369 2185Email
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Su JB, Zhao LH, Zhang XL, Cai HL, Huang HY, Xu F, Chen T, Wang XQ. High-normal serum thyrotropin levels and increased glycemic variability in type 2 diabetic patients. Endocrine 2018; 61:68-75. [PMID: 29651629 DOI: 10.1007/s12020-018-1591-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 03/31/2018] [Indexed: 02/07/2023]
Abstract
PURPOSE High-normal thyrotropin (TSH) is related to reduced insulin sensitivity and may contribute to glycemic disorders in diabetes. We investigated the relationship between normal serum TSH levels and glycemic variability in euthyroid type 2 diabetic patients. METHODS A total of 432 newly diagnosed type 2 diabetic patients with euthyroid function and normal serum TSH levels were recruited between March 2013 and February 2017. Insulin sensitivity was evaluated by the Matsuda index (ISIMatsuda) following a 75-g oral glucose tolerance test. Multiple glycemic variability indices, including the mean amplitude of glycemic excursions (MAGE), mean of daily differences (MODD), and standard deviation of glucose (SD), were calculated from glucose data obtained with a continuous glucose monitoring system. Average glucose accessed by 24-h mean glucose (24-h MG) was also calculated. RESULTS A normal serum TSH level was positively correlated with MAGE, MODD, SD, and 24-h MG (r = 0.206, 0.178, 0.186, and 0.132, respectively, p < 0.01). After adjusting for somatometric parameters, lipid profiles, ISIMatsuda, and HbA1c via multiple linear regression analysis, mean differences [B(95% CI)] in MAGE, MODD, SD, and 24-h MG between the patients in the lowest and highest quartiles of TSH levels were 0.128(0.031, 0.226), 0.085(0.022, 0.148), 0.039(0.001, 0.078), and 0.002(-0.264, 0.267) mmol/L, respectively. High-normal TSH was independently associated with MAGE, MODD, and SD, but not 24-h MG. CONCLUSIONS High-normal serum TSH is a significant additional risk factor for increased glycemic variability in type 2 diabetic patients.
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Affiliation(s)
- Jian-Bin Su
- Department of Endocrinology, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China.
| | - Li-Hua Zhao
- Department of Endocrinology, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Xiu-Lin Zhang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Hong-Li Cai
- Department of Geriatrics, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Hai-Yan Huang
- Department of Endocrinology, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Feng Xu
- Department of Endocrinology, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Tong Chen
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China
| | - Xue-Qin Wang
- Department of Endocrinology, The Second Affiliated Hospital of Nantong University, and First People's Hospital of Nantong City, No. 6, Hai-er-xiang North Road, 226001, Nantong, China.
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