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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Bone Remodeling01:40

Bone Remodeling

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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相关实验视频

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Author Spotlight: Integrating Traditional Chinese Medicine with Modern Pharmacology and Genomics for Assessing Postmenopausal Osteoporosis in Mice
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相关性研究:绝经后患者的骨密度和循环炎症标志物.

Xingyu Jin1, Ye Wang1, Huazheng Wang1

  • 1Department of Orthopedics, Suzhou BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Suzhou, China.

Immunity, inflammation and disease
|August 2, 2024
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概括
此摘要是机器生成的。

炎症标志物,如白细胞计数和全身免疫炎症指数,显示了绝经后骨质疏松症 (PMOP) 的预测价值. 常规血液检查可以帮助评估女性的这种骨状况.

关键词:
血液常规的血液常规炎症指数是指炎症指数.绝经后的骨质疏松症系统性免疫炎症指数

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科学领域:

  • 内分泌学和骨代谢 骨质代谢
  • 免疫学和炎症 免疫学和炎症
  • 老年医学 老年医学

背景情况:

  • 绝经后骨质疏松症 (PMOP) 是老年妇女的一个重大健康问题.
  • 炎症越来越被认为是导致骨密度下降的一个因素.
  • 识别可靠的标志物用于早期检测和预测PMOP至关重要.

研究的目的:

  • 调查绝经后妇女骨矿物质密度 (BMD) 变化与循环炎症标志物之间的相关性.
  • 评估特定炎症标志物和PMOP的全身免疫炎症指数 (SII) 的预测值.

主要方法:

  • 接受苏州本克医疗中心治疗的绝经后妇女的回顾性研究 (2022年6月 - 2023年12月).
  • 收集了有关骨密度测量和常规血液检测的数据,包括白细胞计数 (WBC),C反应蛋白,IN-6 (IL-6) 和PCT.
  • 计算了全身免疫炎症指数 (SII) 并进行统计分析 (主要成分分析,相关性分析,ANOVA,ROC曲线).

主要成果:

  • 主要组件分析确定了WBC,SII和PMOP作为重要的特征.
  • 相关性分析显示,WBC,IL-6,SII和PMOP之间存在显著的关联.
  • 在骨质疏松症,骨质疏松症和正常的BMD组中,ANOVA显示了IL-6,SII和PCT的显著差异. ROC分析表明,SII对PMOP具有预测价值 (AUC=0.716).

结论:

  • 循环炎症标志物,特别是WBC和SII,与绝经后妇女的骨质量减少相关.
  • 系统性免疫炎症指数 (SII) 证明了绝经后骨质疏松症的预测价值.
  • 评估炎症标志物的常规血液测试为评估PMOP风险提供了一个潜在的工具.