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Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
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淋巴系统和肥胖症:一个扩散电张器成像ALPS研究

Kang Min Park1, Jin-Hong Wi2, Bong Soo Park3

  • 1Department of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Republic of Korea.

Biomedicines
|November 27, 2025
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概括

肥胖与淋巴系统功能的减少有关,通过沿周血管空间 (DTI-ALPS) 指数的下扩散张力图像分析表明,即使在神经健康的成年人中也是如此. 保持健康的体重对于大脑的废物清除至关重要,并且可以预防早期的神经退行.

关键词:
身体质量指数 (BMI) 是指身体质量指数.淋巴系统 淋巴系统肥胖 肥胖 肥胖 肥胖 肥胖 肥胖 肥胖 肥胖

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科学领域:

  • 神经科学是一个神经科学.
  • 放射学 放射学是一门学科.
  • 公共卫生 公共卫生

背景情况:

  • 肥胖是神经退行性疾病的一个已知的危险因素.
  • 缺陷的淋巴系统功能可能是肥胖和大脑功能障碍之间的联系的基础.
  • 在神经健康的肥胖个体中,淋巴细胞的功能尚不清楚.

研究的目的:

  • 为了研究神经健康的成年人不同肥胖状况的淋巴系统功能.
  • 为了确定沿周脉空间 (DTI-ALPS) 的扩散张力图像分析指数是否在肥胖和非肥胖个体之间有所不同.

主要方法:

  • 对62名神经健康参与者的脑扩散张力成像 (DTI) 数据的回顾性分析.
  • 根据世卫组织亚太地区的BMI标准,参与者分为体重不足,体重正常,超重和肥胖群体.
  • 使用曼·惠特尼U测试和ANCOVA检查的DTI-ALPS指数中的组差异,调整年龄.

主要成果:

  • 与正常体重和超重体重组相比,肥胖参与者表现出明显较低的DTI-ALPS指数值 (p < 0.05).
  • 在调整年龄后,肥胖症的DTI-ALPS指数下降仍然存在.
  • 肥胖与DTI-ALPS指数显著降低相关,与BMI<25 kg/m2组相比 (p = 0.015).

结论:

  • 这项研究提供了第一个证据,将肥胖与神经健康成年人的淋巴系统功能下降联系起来.
  • 在肥胖个体中较低的DTI-ALPS指数表明大脑废物清理受损.
  • 保持健康的体重对于保持淋巴功能和潜在地减轻早期神经退行变化至关重要.