Journals / Türk Nefroloji Diyaliz ve Transplantasyon Dergisi / 2011 / Cilt: 20 - Sayı: 3

New insight into treatment of diseases of glomerular endothelium

Glomerüler endotel hastalıklarının tedavisinde yeni ufuklar

Pages
220–226
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In the near future, the use of experimental methods will further expand understanding of the pathology of the glomerular filtration barrier, and perhaps reveal novel target molecules for the therapy of proteinuric kidney diseases.

📌 3 Key Takeaways

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Objective & Hypothesis:The capillary wall of the glomerulus, which is composed of glomerular endothelial cells (GECs), the glomerular basement membrane (GBM), and podocytes, is responsible for the ultrafiltration of plasma in the kidney.
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Key Findings & Data:The function of the fenestrated endothelium in filtration is poorly understood.
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Conclusion & Impact:In the near future, the use of experimental methods will further expand understanding of the pathology of the glomerular filtration barrier, and perhaps reveal novel target molecules for the therapy of proteinuric kidney diseases.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The capillary wall of the glomerulus, which is composed of glomerular endothelial cells (GECs), the glomerular basement membrane (GBM), and podocytes, is responsible for the ultrafiltration of plasma in the kidney. The function of the fenestrated endothelium in filtration is poorly understood. On the other hand, the presence of a significant glomerular endothelial glycocalyx implies that the glomerular endothelium significantly contributes to the barrier to macromolecules. Vascular endothelial growth factor (VEGF) is the most important and tightly regulated angiogenic cytokine in the kidney. Studies of fenestration formation have relied on overexpression of VEGF in in vivo models or on in vitro systems where VEGF or pharmacological agents are added exogenously. A greater understanding of the glomerular endothelial cells relevance of in glomerular physiology and pathology naturally raises the question of whether it will be possible to manipulate them therapeutically. For example, promotion of fenestration formation would be desirable in severe preeclampsia to avoid renal failure and may increase GFR in a number of other conditions, including diabetic nephropathy. In the near future, the use of experimental methods will further expand understanding of the pathology of the glomerular filtration barrier, and perhaps reveal novel target molecules for the therapy of proteinuric kidney diseases.

Özet

Böbrekten plazmanın ultrafiltrasyonu, glomerüler endotelyal hücreler, glomerüler bazal membrane ve podositlerden oluşan glomerüler kapiller duvar üzerinden gerçekleşir. Glomerüler endotel hücreleri, sitoplazmaları çok sayıda fenestralarla kaplanmış ve glomerüler filtrasyon bariyerinin ileri düzeyde özelleşmiş bir parçasıdır. Bu filtrasyon fonksiyonunda fenestraların rolü çok iyi anlaşılamamıştır. Öte yandan glomerüler endotelin bir parçası olan glomerüler endotelyal glikokaliksin varlığı makromoleküllerin bariyerine anlamlı ölçüde katkı sağlamaktadır. Vasküler endotelyal büyüme faktörü (VEGF) oldukça önemli bir büyüme faktörüdür ve böbrekteki anjiyogenik sitokinleri düzenler. Yapılan çalışmalarda; in vivo modellerde VEGF'ün aşırı ekspresyonunun, in vitro sistemlerde de farmakolojik ajanların dışarıdan verilmesinin fenestraların oluşumları ile yakın birlikteliği gösterilmiştir. Glomerüler endotel hücrelerin, glomerüler fizyoloji ve patolojisi ile olan beraberliklerinin büyük ölçüde anlaşılması, doğal olarak tedavide muhtemel gelişmelerin olabilirliği sorularını artırmıştır. Örneğin, şiddetli preeklampside böbrek yetmezliği gelişimini önleyeceğinden fenestra formasyonunun artırılması arzu edilir ve yine aynı yolla diyabetik nefropati gibi pek çok tabloda glomerüler filtrasyon hızının artırılması sağlanabilir. Yakın gelecekte, glomerüler filtrasyon bariyerindeki patolojinin daha iyi anlaşılması için geliştirilen deneysel metodların kullanımı ile birlikte proteinürik böbrek hastalıklarının tedavisinde hedefe yönelik yeni moleküllerin bulunması da söz konusu olacaktır.

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Cite This Article

DURANAY, M., DENİZLİ, N., DEMİRCİ, R., YILMAZ, B. (2022). New insight into treatment of diseases of glomerular endothelium. Türk Nefroloji Diyaliz ve Transplantasyon Dergisi, Cilt: 20 - Sayı: 3, 220–226. https://ajindex.com/articles/636423

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References (1)

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