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相关概念视频

Glomerular Filtration01:15

Glomerular Filtration

1.4K
The filtration membrane in the renal system is a highly specialized structure essential for filtering blood. It consists of glomerular capillaries and podocytes, forming a selective barrier that permits the passage of water and small solutes while restricting most plasma proteins and blood cells.
Components of the Filtration Membrane
The filtration process involves three key layers: the glomerular endothelial cells, the basement membrane, and the podocyte-formed filtration slits.
1.4K
Renal Corpuscle01:20

Renal Corpuscle

2.0K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
2.0K
Glomerular Filtration Rate and its Regulation01:28

Glomerular Filtration Rate and its Regulation

2.7K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
2.7K
Dialysis01:27

Dialysis

307
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
307
G-protein Coupled Receptors01:21

G-protein Coupled Receptors

118.6K
G-protein coupled receptors are ligand binding receptors that indirectly affect changes in the cell. The actual receptor is a single polypeptide that transverses the cell membrane seven times creating intracellular and extracellular loops. The extracellular loops create a ligand specific pocket which binds to neurotransmitters or hormones. The intracellular loops holds onto the G-protein.
118.6K
Glomerular Filtration: Net Filtration Pressure01:26

Glomerular Filtration: Net Filtration Pressure

2.3K
Glomerular filtration, a key process in the kidneys, is regulated by three main pressures: Glomerular blood hydrostatic pressure (GBHP), Capsular hydrostatic pressure (CHP), and Blood colloid osmotic pressure (BCOP).
GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal...
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相关实验视频

Updated: Jun 29, 2025

Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection
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Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection

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炎症性抑郁症与选择性淋巴细胞低过有关.

Gustav Söderberg Veibäck1, Linnea Malmgren2, Marie Asp3

  • 1Unit for Biological and Precision Psychiatry, Department of Clinical Sciences Lund, Lund University, Sweden; Department of Gastroenterology and Nutrition, Department of Clinical Sciences Skåne University Hospital, Malmö, Sweden.

Journal of affective disorders
|April 4, 2024
PubMed
概括

选择性淋巴细胞过综合征 (SGHS) 在难以治疗的抑郁症患者中更常见. 这表明SGHS可能是炎症抑郁症的一个机制,可能提供新的治疗点.

关键词:
囊素 C 是一种囊素.抑郁症 抑郁症 抑郁症淋巴细胞的过率是什么炎症 炎症是一种炎症.

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Transdermal Measurement of Glomerular Filtration Rate in Mice
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Transdermal Measurement of Glomerular Filtration Rate in Mice

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Highly Sensitive Measurement of Glomerular Permeability in Mice with Fluorescein Isothiocyanate-polysucrose 70
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Highly Sensitive Measurement of Glomerular Permeability in Mice with Fluorescein Isothiocyanate-polysucrose 70

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相关实验视频

Last Updated: Jun 29, 2025

Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection
10:25

Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection

Published on: November 10, 2021

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Transdermal Measurement of Glomerular Filtration Rate in Mice
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Transdermal Measurement of Glomerular Filtration Rate in Mice

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Highly Sensitive Measurement of Glomerular Permeability in Mice with Fluorescein Isothiocyanate-polysucrose 70
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科学领域:

  • 腎臟病學 (nephrology) 是一種醫學專業.
  • 精神病学是一个精神病学.
  • 免疫学 免疫学 免疫学

背景情况:

  • 系统性低度炎症与抑郁症的一个亚型有关.
  • 选择性淋巴细胞低过综合征 (SGHS) 涉及基于囊素C (cysC) 的估计淋巴细胞过率 (eGFR) 与基于肌素 (crea) 的eGFR相对降低.
  • SGHS与高水平的促炎标志物有关,但未在抑郁症中进行研究.

研究的目的:

  • 调查SGHS作为炎症抑郁症的潜在机制.
  • 为了比较难以治疗的抑郁症患者与对照者的SGHS患病率.
  • 探索SGHS,炎症和抑郁症严重程度之间的关系.

主要方法:

  • 在313名抑郁患者和73名对照患者中比较了SGHS患病率,使用各种eGFRcysC/eGFRcrea比率.
  • 在276名抑郁患者中评估了血炎症标志物 (TNF-α,IFN-γ,IL-6,IL-8,IL-10).
  • 研究了SGHS-抑郁症联系的IL-6调解.

主要成果:

  • 抑郁症患者的SGHS患病率较高 (33.2%对比20.5%的比率<0.9;15.7%对比5.5%的比率<0.8).
  • 较低的eGFRcysC/eGFRcrea比率与抑郁症患者炎症标志物增加相关.
  • 互白素-6 (IL-6) 部分调解了SGHS和抑郁症之间的关联.

结论:

  • 这项研究首先将SGHS与炎症性抑郁症联系起来.
  • 在某些抑郁病例中,SGHS可能代表了相关的病理生理机制.
  • 在独立的队列中进行进一步的研究可以验证SGHS作为抑郁症的治疗点.