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Silva BC, Bilezikian JP. Skeletal abnormalities in Hypoparathyroidism and in Primary Hyperparathyroidism. Rev Endocr Metab Disord 2021; 22:789-802. [PMID: 33200346 DOI: 10.1007/s11154-020-09614-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/11/2020] [Indexed: 12/22/2022]
Abstract
Both hypoparathyroidism (HypoPT), as well as its pathological counterpart, primary hyperparathyroidism (PHPT), can lead to skeletal abnormalities. Chronic deficiency of PTH in patients with HypoPT is associated with a profound reduction in bone remodeling, with consequent increases in bone density, and abnormalities in microarchitecture and bone strength. It is still not clear whether there is an increase in fracture risk in HypoPT. While standard therapy with calcium supplements and active vitamin D does not restore bone homeostasis, treatment of HypoPT with PTH appears to correct some of those abnormalities. In PHPT, the continuous exposure to high levels of PTH causes an increase in bone remodeling, in which bone resorption prevails. In the symptomatic form of PHPT, patients can present with fragility fractures, and/or the classical radiological features of osteitis fibrosa cystica. However, even in mild PHPT, catabolic skeletal actions of PTH are evident through reduced BMD, deterioration of bone microarchitecture and increased risk of fragility fractures. Successful parathyroidectomy improves skeletal abnormalities. Medical treatment, such as bisphosphonates and denosumab, can also increase bone density in patients with PHPT who do not undergo surgery. This article reviews skeletal involvement in HypoPT and in PHPT, as assessed by bone remodeling, DXA, trabecular bone score, and quantitative computed tomography, as well as data on bone strength and fracture risk. The effects of PTH replacement on the skeleton in subjects with HypoPT, and the outcome of parathyroidectomy in patients with PHPT, are also reviewed here.
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Affiliation(s)
- Barbara C Silva
- Department of Medicine, Centro Universitario de Belo Horizonte - UNI BH, Belo Horizonte, Brazil
- Endocrinology Unit, Felicio Rocho Hospital, Belo Horizonte, Brazil
- Endocrinology Unit, Santa Casa Hospital, Belo Horizonte, Brazil
| | - John P Bilezikian
- Metabolic Bone Diseases Unit, Division of Endocrinology, Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, 630 W. 168th Street, PH 8E: 105G, New York, NY, 10032, USA.
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Lee S, Hong N, Kim Y, Park S, Kim KJ, Jeong J, Jung HI, Rhee Y. Circulating miR-122-5p and miR-375 as Potential Biomarkers for Bone Mass Recovery after Parathyroidectomy in Patients with Primary Hyperparathyroidism: A Proof-of-Concept Study. Diagnostics (Basel) 2021; 11:1704. [PMID: 34574045 PMCID: PMC8472510 DOI: 10.3390/diagnostics11091704] [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] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/16/2021] [Accepted: 09/16/2021] [Indexed: 12/11/2022] Open
Abstract
Primary hyperparathyroidism (PHPT) is the leading cause of secondary osteoporosis. Although bone mineral density (BMD) tends to recover after parathyroidectomy in PHPT patients, the degree of recovery varies. Circulating microRNAs (miRNAs) profiles are known to be correlated with osteoporosis and fracture. We aimed to investigate whether osteoporotic fracture-related miRNAs are associated with postoperative BMD recovery in PHPT. Here, 16 previously identified osteoporotic fracture-related miRNAs were selected. We analyzed the association between the preoperative level of each miRNA and total hip (TH) BMD change. All 12 patients (among the 18 patients enrolled) were cured of PHPT after parathyroidectomy as parathyroid hormone (PTH) and calcium levels were restored to the normal range. Preoperative miR-19b-3p, miR-122-5p, and miR-375 showed a negative association with the percent changes in TH BMD from baseline. The association remained robust for miR-122-5p and miR-375 even after adjusting for sex, age, PTH, and procollagen type 1 N-terminal propeptide levels in a multivariable model. In conclusion, preoperative circulating miR-122-5p and miR-375 levels were negatively associated with TH BMD changes after parathyroidectomy in PHPT patients. miRNAs have the potential to serve as predictive biomarkers of treatment response in PHPT patients, which merits further investigation.
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Affiliation(s)
- Seunghyun Lee
- Department of Internal Medicine, Severance Hospital, Endocrine Research Institute, Yonsei University College of Medicine, Seoul 03722, Korea; (S.L.); (N.H.)
| | - Namki Hong
- Department of Internal Medicine, Severance Hospital, Endocrine Research Institute, Yonsei University College of Medicine, Seoul 03722, Korea; (S.L.); (N.H.)
| | - Yongnyun Kim
- Yonsei University Health System, Seoul 03722, Korea;
| | - Sunyoung Park
- Department of Mechanical Engineering, Yonsei University, Seodaemun-gu, Seoul 03722, Korea; (S.P.); (H.-I.J.)
| | - Kyoung-Jin Kim
- Department of Internal Medicine, Korea University College of Medicine, Seoul 02841, Korea;
| | - Jongju Jeong
- Department of Surgery, Thyroid Cancer Clinic, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea;
| | - Hyo-Il Jung
- Department of Mechanical Engineering, Yonsei University, Seodaemun-gu, Seoul 03722, Korea; (S.P.); (H.-I.J.)
| | - Yumie Rhee
- Department of Internal Medicine, Severance Hospital, Endocrine Research Institute, Yonsei University College of Medicine, Seoul 03722, Korea; (S.L.); (N.H.)
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Szulc P. Biochemical bone turnover markers in hormonal disorders in adults: a narrative review. J Endocrinol Invest 2020; 43:1409-1427. [PMID: 32335857 DOI: 10.1007/s40618-020-01269-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 04/18/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND Hormonal disorders are often associated with abnormal levels of bone turnover markers (BTMs). N-terminal propeptide of type I procollagen (PINP) and serum C-terminal cross-linking telopeptide of type I collagen (CTX-I) are the reference markers of bone formation and bone resorption, respectively. METHODS A comprehensive literature search within the MEDLINE and Web of Science databases was performed. RESULTS Acromegaly is associated with higher BTM levels, which decrease during the remission after treatment. Adult-onset growth hormone deficiency is often associated with decreased BTM levels. Growth hormone replacement therapy stimulates bone turnover and increases BTM levels. Hypothyroidism is characterized by general slowing of bone metabolism which is reflected by lower BTM levels. The replacement thyroid hormone therapy increases the bone turnover rate and BTM levels increase. Patients with thyroid cancer receive a suppressive dose of thyroid hormones and may have slightly elevated BTM levels. Patients with overt hyperthyroidism had higher BTM levels and anti-thyroid therapy induces a rapid decrease in the BTM levels. Patients with overt primary hyperparathyroidism have higher BTM levels, whereas those with asymptomatic and normocalcemic hyperparathyroidism usually have normal BTM levels. Hypoparathyroidism is characterized by slightly decreased BTM levels. Cushing's syndrome is characterized consistently by markedly decreased osteocalcin concentration, whereas data on other BTMs are discordant. CONCLUSIONS BTMs help us to better understand mechanisms of the impact of hormonal disorders and their treatment on bone metabolism. However, it is unknown whether BTMs may be used to monitor the effect of their treatments on bone in the clinical practice.
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Affiliation(s)
- P Szulc
- INSERM UMR 1033, University of Lyon, Hôpital Edouard Herriot, Pavillon F, Place d'Arsonval, 69437, Lyon, France.
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Cusano NE, Rubin MR, Silva BC, Tay YKD, Williams JM, Agarwal S, Omeragic B, Guo XE, Bilezikian JP. Skeletal Microstructure and Estimated Bone Strength Improve Following Parathyroidectomy in Primary Hyperparathyroidism. J Clin Endocrinol Metab 2018; 103:196-205. [PMID: 29069380 PMCID: PMC5761496 DOI: 10.1210/jc.2017-01932] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/17/2017] [Indexed: 11/19/2022]
Abstract
Context High-resolution peripheral quantitative computed tomography (HRpQCT) is a noninvasive imaging technology that can provide insight into skeletal microstructure and strength. In asymptomatic primary hyperparathyroidism (PHPT), HRpQCT imaging has demonstrated both decreased cortical and trabecular indices, consistent with evidence for increased fracture risk. There are limited data regarding changes in HRpQCT parameters postparathyroidectomy. Objective To evaluate changes in skeletal microstructure by HRpQCT in subjects with PHPT after parathyroidectomy. Design We studied 29 subjects with PHPT (21 women, 8 men) with HRpQCT at baseline and 6, 12, 18, and 24 months postparathyroidectomy. Main Outcome Measures Volumetric bone mineral density, microarchitectural indices, and finite element analysis at the distal radius and tibia. Results At both the radius and tibia, there were significant improvements in total, cortical, and trabecular volumetric bone density as early as 6 months postparathyroidectomy (24-month values for total volumetric bone density, radius: +2.8 ± 4%, tibia: +4.4 ± 4%; P < 0.0001 for both), cortical thickness (radius: +1.1 ± 2%, tibia: +2.0 ± 3%; P < 0.01 for both), and trabecular bone volume (radius: +3.8 ± 5%, tibia: +3.2 ± 4%; P < 0.0001 for both). At both sites, by finite element analysis, stiffness and failure load were improved starting at 6 months postparathyroidectomy (24-month values for failure load, radius: +6.2 ± 6%, tibia: +4.8 ± 7%; P < 0.0001 for both). Conclusions These results provide information about skeletal microarchitecture in subjects with PHPT followed through 2 years after parathyroidectomy. Estimated bone strength is improved, consistent with data showing decreased fracture risk postparathyroidectomy.
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Affiliation(s)
- Natalie E. Cusano
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
| | - Mishaela R. Rubin
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
| | - Barbara C. Silva
- Department of Medicine, University Center of Belo Horizonte, Belo Horizonte, MG, 31110-320, Brazil
- Department of Medicine, Santa Casa Hospital, Uberaba, MG, 30180-010, Brazil
| | - Yu-Kwang Donovan Tay
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
- Department of Medicine, Sengkang Health, Singapore 159964
- Osteoporosis and Bone Metabolism Unit, Department of Endocrinology, Singapore General Hospital, Singapore 169608
| | - John M. Williams
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
| | - Sanchita Agarwal
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
| | - Beatriz Omeragic
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
| | - X. Edward Guo
- Bone Bioengineering Laboratory, Department of Biomedical Engineering, Columbia University, New York, New York 10027
| | - John P. Bilezikian
- Department of Medicine, Division of Endocrinology, College of Physicians & Surgeons, Columbia University, New York, New York 10032
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Fisher A, Fisher L, Srikusalanukul W, Smith PN. Bone Turnover Status: Classification Model and Clinical Implications. Int J Med Sci 2018; 15:323-338. [PMID: 29511368 PMCID: PMC5835703 DOI: 10.7150/ijms.22747] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 11/23/2017] [Indexed: 12/18/2022] Open
Abstract
Aim: To develop a practical model for classification bone turnover status and evaluate its clinical usefulness. Methods: Our classification of bone turnover status is based on internationally recommended biomarkers of both bone formation (N-terminal propeptide of type1 procollagen, P1NP) and bone resorption (beta C-terminal cross-linked telopeptide of type I collagen, bCTX), using the cutoffs proposed as therapeutic targets. The relationships between turnover subtypes and clinical characteristic were assessed in1223 hospitalised orthogeriatric patients (846 women, 377 men; mean age 78.1±9.50 years): 451(36.9%) subjects with hip fracture (HF), 396(32.4%) with other non-vertebral (non-HF) fractures (HF) and 376 (30.7%) patients without fractures. Resalts: Six subtypes of bone turnover status were identified: 1 - normal turnover (P1NP>32 μg/L, bCTX≤0.250 μg/L and P1NP/bCTX>100.0[(median value]); 2- low bone formation (P1NP ≤32 μg/L), normal bone resorption (bCTX≤0.250 μg/L) and P1NP/bCTX>100.0 (subtype2A) or P1NP/bCTX<100.0 (subtype 2B); 3- low bone formation, high bone resorption (bCTX>0.250 μg/L) and P1NP/bCTX<100.0; 4- high bone turnover (both markers elevated ) and P1NP/bCTX>100.0 (subtype 4A) or P1NP/bCTX<100.0 (subtype 4B). Compared to subtypes 1 and 2A, subtype 2B was strongly associated with nonvertebral fractures (odds ratio [OR] 2.0), especially HF (OR 3.2), age>75 years and hyperparathyroidism. Hypoalbuminaemia and not using osteoporotic therapy were two independent indicators common for subtypes 3, 4A and 4B; these three subtypes were associated with in-hospital mortality. Subtype 3 was associated with fractures (OR 1.7, for HF OR 2.4), age>75 years, chronic heart failure (CHF), anaemia, and history of malignancy, and predicted post-operative myocardial injury, high inflammatory response and length of hospital stay (LOS) above10 days. Subtype 4A was associated with chronic kidney disease (CKD), anaemia, history of malignancy and walking aids use and predicted LOS>20 days, but was not discriminative for fractures. Subtype 4B was associated with fractures (OR 2.1, for HF OR 2.5), age>75 years, CKD and indicated risks of myocardial injury, high inflammatory response and LOS>10 days. Conclusions: We proposed a classification model of bone turnover status and demonstrated that in orthogeriatric patients altered subtypes are closely related to presence of nonvertebral fractures, comorbidities and poorer in-hospital outcomes. However, further research is needed to establish optimal cut points of various biomarkers and improve the classification model.
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Affiliation(s)
- Alexander Fisher
- Department of Geriatric Medicine, The Canberra Hospital, Canberra, ACT Health, Canberra, Australia.,Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT Health, Canberra, Australia.,Australian National University Medical School, Canberra, ACT, Australia
| | - Leon Fisher
- Frankston Hospital, Peninsula Health, Melbourne, Australia
| | - Wichat Srikusalanukul
- Department of Geriatric Medicine, The Canberra Hospital, Canberra, ACT Health, Canberra, Australia
| | - Paul N Smith
- Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT Health, Canberra, Australia.,Australian National University Medical School, Canberra, ACT, Australia
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Abstract
Over the past several generations, primary hyperparathyroidism (PHTP) has undergone a change in its clinical presentation in many countries from a symptomatic disease to an asymptomatic one. The reasons for this change in clinical presentation are related to the widespread use of biochemical screening tests, to the measurement of PTH more routinely in the evaluation of metabolic bone disease and to the status of vitamin D sufficiency in the population. Along with recognition of a broader clinical spectrum of disease, including a more recently recognized normocalcemic variant, has come an appreciation that the evaluation of classic target organs that can be affected in PHPT, such as the skeleton and the kidneys, require more advanced imaging technology for complete evaluation. It is clear that even in asymptomatic patients, evidence for microstructural disease in the skeleton and calcifications in the kidneys can be demonstrated often. Potential non-classical manifestations of PHPT related to neurocognition and the cardiovascular system continue to be of interest. As a result of these advances, revised guidelines for the management of asymptomatic PHPT have been recently published to help the clinician determine whether surgery is appropriate or whether a more conservative approach is acceptable.
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Affiliation(s)
- Leonardo Bandeira
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - John Bilezikian
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
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Li M, Li Y, Deng W, Zhang Z, Deng Z, Hu Y, Xia W, Xu L. Chinese bone turnover marker study: reference ranges for C-terminal telopeptide of type I collagen and procollagen I N-terminal peptide by age and gender. PLoS One 2014; 9:e103841. [PMID: 25117452 PMCID: PMC4130521 DOI: 10.1371/journal.pone.0103841] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 07/02/2014] [Indexed: 01/15/2023] Open
Abstract
Background Bone formation marker procollagen I N-terminal peptide (PINP) and resorption marker C-terminal telopeptide of type I collagen (β-CTX) are useful biomarkers for differential diagnosis and therapeutic evaluation of osteoporosis, but reference values are required. Methods The multi-center, cross-sectional Chinese Bone Turnover Marker Study included 3800 healthy volunteers in 5 Chinese cities. Serum PINP, β-CTX, parathyroid hormone (PTH) and 25OHD levels were measured by chemiluminescence assay. Lumbar spine and proximal femur BMD were measured by dual-energy X-ray absorptiometry. Serum PINP and β-CTX levels were assessed by age, gender, weight, recruitment latitude, levels of PTH and 25OHD. Results Subjects (n = 1436, M∶F, 500∶936; mean age 50.6±19.6 years) exhibited non-normally distributed PINP and β-CTX peaking between 15–19 years, gradually declining throughout adulthood, elevating within 10 years of postmenopause, and then declining by age 70. In women between the age of 30 and menopause, median PINP and β-CTX levels were 40.42 (95% CI: 17.10–102.15) and 0.26 (95% CI: 0.08–0.72) ng/mL, respectively. β-CTX and PINP were positively linearly correlated (r = 0.599, P<0.001). β-CTX correlated positively (r = 0.054 and 0.093) and PINP correlated negatively (r = −0.012 and −0.053) with 25OHD and PTH (P<0.05). Conclusions We established Chinese reference ranges for PINP and CTX. Chinese individuals exhibited high serum PINP and β-CTX levels between 15 and 19 years of age and at menopause, which gradually declined after 70 years of age.
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Affiliation(s)
- Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Li
- Department of Laboratory, People's Hospital, Hubei Province, Wuhan, China
| | - Weimin Deng
- Department of Geriatrics, General Hospital of Guangzhou Military Command, Guangzhou, China
| | - Zhenlin Zhang
- Department of Osteoporosis, Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Zhongliang Deng
- Department of Orthopedics, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yingying Hu
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Weibo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- * E-mail: (WX); (LX)
| | - Ling Xu
- Department of Obstetrics and Gynecology, Chinese Academy of Medical Sciences, Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China
- * E-mail: (WX); (LX)
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Abstract
Primary hyperparathyroidism is an endocrine disorder characterized by elevated or inappropriate normal levels of parathyroid hormone in a setting of hypercalcemia. The inclusion of calcium on the basic metabolic bone panel has allowed this disorder to be diagnosed even in the absence of symptoms. Nevertheless, the skeleton can be a target of excess parathyroid hormone activity even during its asymptomatic presentation. Bone turnover markers a surrogate index of the process of the remodeling process at the level of bone, and thus can be useful to monitor skeleton involvement in primary hyperparathyroidism.
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Affiliation(s)
- Aline G. Costa
- Department of Medicine, Division of Endocrinology, Metabolic Bone Diseases Unit, College of Physicians and Surgeons, Columbia University. New York, NY
- Department of Medicine, Division of Endocrinology, São Paulo Federal University. São Paulo, Brazil
| | - John P. Bilezikian
- Department of Medicine, Division of Endocrinology, Metabolic Bone Diseases Unit, College of Physicians and Surgeons, Columbia University. New York, NY
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