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Objective: Osteoprotegerin is a glycoprotein that plays a major role in the regulation of bone turnover. The influence of parathyroid hormone, an important regulator of bone remodeling, on osteoprotegerin production is controversial. The purpose of the study was to assess the influence of parathyroid hormone on the circulating level of osteoprotegerin in patients with primary hyperparathyroidism by comparing it with healthy controls.
Materials And Methods: Forty-four patients with biochemical verification of primary hyperparathyroidism scheduled for the surgical cure and 38 healthy subjects were included. Blood samples of the study group were taken before surgery. Levels of serum parathyroid hormone, osteoprotegerin, calcium, 25-hydroxyvitamin D [25(OH)D], and alkaline phosphatase were analyzed. Bone mineral density at the L1-L4 vertebrae and femoral neck was calculated by dual-energy X-ray absorptiometry.
Results: Osteoprotegerin levels and bone mineral density values were significantly lower in patients than in the healthy subjects (P=.002 and P > .0001, respectively). There was no correlation between osteoprotegerin and parathyroid hormone in the groups. Osteoprotegerin was weakly correlated with bone mineral density in patients. No correlation was noted between osteoprotegerin and bone mineral density in the control group. Furthermore, osteoprotegerin levels were not correlated with calcium, 25(OH)D, and alkaline phosphatase levels in each group.
Conclusion: The production of osteoprotegerin appears to be inhibited by parathyroid hormone in patients with primary hyperparathyroidism. A weak positive correlation found among osteoprotegerin and bone mineral density recommends that osteoprotegerin may be a molecule that impacts bone metabolism and finally bone mineral density.
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http://dx.doi.org/10.5152/eurasianjmed.2021.21197 | DOI Listing |
J Epilepsy Res
December 2024
Department of Pediatrics, Maulana Azad Medical College & Associated Lok Nayak Hospital, Delhi, India.
Background And Purpose: The timeline of alteration of vitamin D and calcium levels in those receiving anti-seizure medication (ASM) remains to be elucidated. To determine the changes in vitamin D levels over a period of 6 months among children receiving monotherapy with commonly used ASM.
Methods: The baseline serum levels of vitamin D, parathyroid hormone (PTH), calcium, alkaline phosphatase (ALP), phosphorus were measured in 32 children (median age 8 years) with newly diagnosed epilepsy.
Osteoporos Int
December 2024
Department of Orthopaedics, West Virginia University, PO Box 9196, Morgantown, WV, 26506, USA.
Atraumatic bilateral femoral neck fractures are rare, especially in younger patients and those without significant comorbidities. However, pregnant individuals appear to be at increased risk due to normal physiological changes in calcium balance, leading to transient osteoporosis of the hip. In these individuals, calcium and bone mineral density are generally decreased, reflecting the calcium demands of the developing fetus.
View Article and Find Full Text PDFChirurgie (Heidelb)
December 2024
Klinik für Visceral‑, Thorax- und Gefäßchirurgie, Philipps-Universität Marburg, Baldingerstraße, 35043, Marburg, Deutschland.
PeerJ
December 2024
Institute of Blood Transfusion, Chinese Academy of Medical Sciences & Peking Union Medical College, Chengdu, China.
Background: As a group of more than 3.67 million people, the bone health of Chinese plasmapheresis donors, which the main population is also a risk group of osteoporosis (OP), has raised concerns. Therefore, this article investigates the relationship between bone mineral density (BMD), bone metabolism indicators, and plasmapheresis donation behavior among some high-risk plasmapheresis donors for OP in China, and further explores the mediating factors through reasonable statistical methods.
View Article and Find Full Text PDFParathyroid adenoma is a common endocrine disorder, but its intrathyroid presentation is relatively rare. The traditional approach, such as thyroid blind lobectomy, is the most frequent modality of treatment due to the possible unclear localization of the adenoma in the preoperative workup. This increases the risk of unnecessary probability of hypothyroidism.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!