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Nauchno-prakticheskii zhurnal «Patogenez»
Article . 2018 . Peer-reviewed
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VEGF as a biomarker for hypoxia in kidney injury of different origins

VEGF - маркёр гипоксии при повреждении почек различного генеза
Authors: O. L. Morozova; L. D. Maltseva; V. D. Makarova;

VEGF as a biomarker for hypoxia in kidney injury of different origins

Abstract

Актуальность. Васкулоэндотелиальный фактор роста (VEGF) относится к группе цитокинов, преимущественно регулирующих рост и развитие эндотелия сосудов, но VEGF также стимулирует миграцию моноцитов/макрофагов, оказывает влияние на нейроны, клетки раковых опухолей, почечные эпителиальные клетки. Основным индуктором образования VEGF является фактор транскрипции, индуцирующийся гипоксией (HIF). Он синтезируется также и в условиях локальной гипоксии. Источником образования VEGF в почках служат подоциты. Цель. Целью настоящего исследования явилось проведение анализа изменений содержания VEGF в моче у детей с повреждением почек различного генеза: при остром повреждении почек (синдроме интраабдоминальной гипертензии (СИАГ)); хроническом воспалении в почках (хроническом пиелонефрите (ХП) у детей с врожденными пороками развития мочевыделительной системы) и нефросклерозе, развивающемся при пузырно-мочеточниковом рефлюксе. Методы. Было обследовано 221 пациент с повреждением почек различного генеза, в том числе 27 новорожденных с СИАГ, 54 ребенка с ХП в стадии обострения, 140 детей с пузырно-мочеточниковым рефлюксом. Определение уровня VEGF в моче проводилось методом иммуноферментного анализа (ELISA) в динамике заболевания. Результаты. Результаты исследования уровня VEGF в моче показали его высокую чувствительность и специфичность для определения степени повреждения паренхимы почек у детей в ходе развития патологии, ведущим звеном патогенеза которой являлась гипоксия почечной паренхимы различного генеза. Заключение. Мониторинг уровня мочевого VEGF - эффективный способ повышения точности ранней диагностики, выбора тактики лечения и профилактики гипоксического повреждения почек. Background. Vascular endothelial growth factor (VEGF) is one of cytokine-knot growth factors. VEGF stimulates primarily angiogenesis (growth of vascular endothelium) and monocyte/macrophage migration, influences neural cells, malignant tumor cells, and renal epithelial cells. The hypoxia-inducible factor (HIF) is the major transcription factor inducing the VEGF production; it is rapidly expressed also in local hypoxia. Podocytes are the primary source of VEGF in kidneys. Aim. The aim of this study was to determine and analyze changes in urinary concentrations of VEGF in children with kidney injury of different origins, including abdominal compartment syndrome (ACS), chronic pyelonephritis (CP), and hypertensive kidney disease associated with vesicoureteral reflux. Methods. 299 children with kidney injury were examined; 27 of them were newborns with ACS, 54 children had CP in the acute phase, and 140 children had vesicoureteral reflux. Urinary concentrations of VEGF were measured using enzyme-linked immunosorbent assay (ELISA) in dynamics. Results. Urinary concentration of VEGF appeared a highly specific and sensitive marker for severity of renal parenchyma injury in children caused by renal hypoxia of different origins. Conclusion. Monitoring of urinary VEGF levels is a promising means for early diagnostics, prediction, and prevention of hypoxic kidney injury.

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Keywords

chronic pyelonephritis, хронический пиелонефрит, anorectal malformations, острое повреждение почек, kidney fibrosis, vesicoureteral reflux, пузырно-мочеточниковый рефлюкс (ПМР), дети, синдром интраабдоминальной гипертензии, vascular endothelial growth factor (VEGF), abdominal compartment syndrome, аноректальные мальформации (АРМ), acute kidney injury, children, васкулоэндотелиальный фактор роста (VEGF), фиброз почек

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
bronze