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Related Concept Videos

Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...
Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
IP3/DAG Signaling Pathway01:11

IP3/DAG Signaling Pathway

Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and produces two-second...
Phosphoinositides and PIPs01:42

Phosphoinositides and PIPs

Phosphoinositides are a group of phospholipids containing a glycerol backbone with two fatty acid chains and a phosphate attached to a myoinositol sugar ring. The inositol head group extends into the cytoplasm, where it is modified by adding phosphate groups to form phosphatidylinositol phosphates or PIPs.
Different phosphoinositides are synthesized and recruited on the cytosolic face of the plasma membrane. The localization of specific phosphoinositides concentrated in separate membrane...

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Related Experiment Video

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Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
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Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway

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Phospholipid derived mediators and glomerulonephritis.

E N Wardle1

  • 121 Common Road North Leigh Oxon OX8 6RD UK.

Mediators of Inflammation
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

Eicosanoids like PAF, HETEs, and lipoxins play a role in glomerulonephritis. Clinical trials of antagonists for PAF, leukotriene, and thromboxane are suggested, with combined approaches showing promise.

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Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins
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Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins

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Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
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Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins
09:12

Isolation of Glomeruli and In Vivo Labeling of Glomerular Cell Surface Proteins

Published on: January 18, 2019

Area of Science:

  • Biomedical Science
  • Renal Medicine
  • Inflammation Research

Background:

  • Glomerulonephritis involves complex inflammatory pathways.
  • Eicosanoids, including platelet-activating factor (PAF), hydroxyeicosatetraenoic acids (HETEs), and lipoxins, are implicated in renal inflammation.
  • Understanding the specific roles of these lipid mediators is crucial for developing targeted therapies.

Purpose of the Study:

  • To review the contributions of various eicosanoids to the pathophysiology of glomerulonephritis.
  • To evaluate the potential of pharmacological interventions targeting eicosanoid pathways.
  • To identify the most promising therapeutic strategies for managing glomerulonephritis.

Main Methods:

  • Literature review of studies investigating eicosanoids in glomerulonephritis.
  • Analysis of the pathophysiological roles of platelet-activating factor (PAF), HETEs, and lipoxins.
  • Evaluation of existing and potential therapeutic targets, including antagonists and combined inhibition strategies.

Main Results:

  • Eicosanoids significantly contribute to the inflammatory processes in glomerulonephritis.
  • Platelet-activating factor (PAF), leukotrienes, and thromboxanes are key mediators.
  • Evidence supports the potential efficacy of PAF, leukotriene, and thromboxane antagonists.

Conclusions:

  • Targeting eicosanoid pathways offers a promising therapeutic avenue for glomerulonephritis.
  • Clinical trials investigating PAF, leukotriene, and thromboxane antagonists are warranted.
  • Combined inhibition of thromboxane synthesis and receptor blockade may represent a highly effective strategy for diverse glomerulonephritis entities.