费布里病治疗对骨矿物质密度的影响
Tess Aitken1, Mark K Tiong1,2, Andrew S Talbot1
1Department of Nephrology, The Royal Melbourne Hospital, Parkville 3050, Australia.
Diseases (Basel, Switzerland)
|May 24, 2024
概括
随着时间的推移,法布里病 (FD) 疗法没有改善骨矿物质密度 (BMD),接受治疗的患者部和大腿部BMD Z-score 的下降. 这表明FD疗法可能无法完全解决骨健康问题,需要额外的BMD管理.
科学领域:
- 遗传学和遗传性疾病
- 代谢疾病 代谢疾病
- 骨健康和骨科 骨科
背景情况:
- 费布里病 (FD) 是一种X链 lysosomal 储存障碍,由α-galactosidase A 缺乏引起,导致球体基胺的积累.
- FD的多系统表现包括骨矿物质密度 (BMD) 降低,影响患者的生活质量.
- 虽然FD特异性疗法显示出希望,但它们对骨密度的影响仍未得到充分研究.
研究的目的:
- 研究法布里病特异性疗法对FD患者骨矿物密度 (BMD) 的纵向影响.
- 为了比较治疗和未治疗的FD患者队列之间的BMD变化.
主要方法:
- 追溯观察性研究分析了从遗传确认的FD患者的双能X射线吸收度 (DXA) 数据.
- 根据Fabry特定疗法 (酶替代疗法或陪伴疗法) 的使用情况,患者被分为受治疗和未受治疗组.
- 线性混合效应模型被用来分析群体之间的BMD Z-score的纵向变化.
主要成果:
- 在接受治疗和未接受治疗的组之间,在腰部脊柱的纵向BMDZ-score中没有观察到显著差异.
- 与未接受治疗的患者相比,接受治疗的患者每年在整个部 (β = -0.105,p < 0.001) 和大腿部 (β = -0.081,p = 0.001) 的Z-分数显著降低.
- 这些发现表明,接受治疗的患者可能患有更严重的潜在疾病,治疗可能无法完全逆转影响骨的所有疾病机制.
结论:
- 目前针对法布里病的特定疗法似乎无法逆转部和大腿部的骨矿物质密度损失.
- 在接受治疗的患者中观察到的BMDZ-score下降值得进一步调查潜在的潜在疾病严重程度.
- 对于患有法布里病的患者,即使使用特定疗法,也可能需要骨矿物质密度的额外管理策略.
相关概念视频
01:29Bone Disorders
3.5K
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...
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...
3.5K
01:40Bone Remodeling
38.3K
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.
38.3K
01:25Role of Vitamins in Maintaining Bone Health
3.3K
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...
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...
3.3K