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相关概念视频

Dialysis01:15

Dialysis

653
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
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Filtration and Urine Formation01:32

Filtration and Urine Formation

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The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys.
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Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

370
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
370
Tumor Immunotherapy01:27

Tumor Immunotherapy

522
Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

422
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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Drug Elimination by Renal Route: Tubular Secretion01:15

Drug Elimination by Renal Route: Tubular Secretion

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Once the process of glomerular filtration is completed, blood carrying unfiltered drug molecules traverses through efferent arterioles and makes its way into the peritubular capillaries in the proximal tubule. A variety of carriers play a pivotal role in actively secreting drugs from these peritubular capillaries into the tubular fluid. The organic anion transporter transfers acidic drugs, against an electrochemical gradient, from the peritubular capillaries into the renal tubule cells and...
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相关实验视频

Updated: Jun 28, 2025

Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation
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Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation

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通过Theranova过器驱动的免疫调节在单个高清会议期间.

Carlotta Caprara1,2, Grazia Maria Virzì1,2, Katia Chieregato3,4

  • 1IRRIV-International Renal Research Institute Vicenza Foundation, 36100 Vicenza, Italy.

Journal of clinical medicine
|April 13, 2024
PubMed
概括
此摘要是机器生成的。

使用Theranova过器进行血液透析 (HD) 改变了末期病 (ESKD) 患者的免疫细胞概况. 虽然红斑症保持稳定,但关键的免疫标记物,如HLA-DR和Treg细胞在治疗后显著下降.

关键词:
在 HLA-DR 组合下,这就是Theranova的过器.在Treg细胞中.

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相关实验视频

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科学领域:

  • 免疫学 免疫学 免疫学
  • 腎臟病學 (nephrology) 是一種醫學專業.

背景情况:

  • 末期病 (ESKD) 患者表现出复杂的免疫失调,其特点是免疫缺陷和免疫激活.
  • 血液透析 (HD) 是对ESKD的关键治疗方法,但它对免疫功能的影响需要进一步阐明.

研究的目的:

  • 为了研究同一个患者在单次血液透析期间由中等切断Theranova波器诱导的免疫类型变化.
  • 评估血液透析对红色素的影响,HLA-DR对单细胞的表达,以及调节性T (Treg) 细胞.

主要方法:

  • 试点观察性研究涉及11名ESKD患者进行标准的4小时血液透析.
  • 在HD前后收集的血液样本使用流式细胞计进行了免疫类型定型的分析.
  • 评估了淋巴细胞和单细胞中的红细胞,以及单细胞和Treg细胞上的HLA-DR表达.

主要成果:

  • 淋巴细胞 (CD3+),T辅助细胞 (CD4+) 和单细胞 (CD14+) 的红细胞百分比在HD前后没有显著变化.
  • 在HD治疗后,单细胞上HLA-DR表达的显著减少和Treg细胞数量的减少被观察到.
  • 这些发现强调了使用Theranova波器进行血液透析的免疫调节作用.

结论:

  • 使用Theranova过器进行血液透析治疗会在ESKD患者中诱导特定的免疫调节变化.
  • 该研究提供了HD后减少HLA-DR表达和Treg细胞数量的初步证据,表明对免疫调节的潜在影响.
  • 需要对更大的队列进行进一步的研究,以证实这些发现并探索它们的临床影响.