Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies

The nephron is the basic structural and functional unit of the vertebrate kidney. To ensure kidney functions, the nephrons possess a highly segmental organization where each segment is specialized for the secretion and reabsorption of particular solutes. During embryogenesis, nephron progenitors und...

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Main Authors: Audrey Desgrange, Silvia Cereghini
Format: Article
Language:English
Published: MDPI AG 2015-09-01
Series:Cells
Subjects:
Online Access:http://www.mdpi.com/2073-4409/4/3/483
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author Audrey Desgrange
Silvia Cereghini
author_facet Audrey Desgrange
Silvia Cereghini
author_sort Audrey Desgrange
collection DOAJ
description The nephron is the basic structural and functional unit of the vertebrate kidney. To ensure kidney functions, the nephrons possess a highly segmental organization where each segment is specialized for the secretion and reabsorption of particular solutes. During embryogenesis, nephron progenitors undergo a mesenchymal-to-epithelial transition (MET) and acquire different segment-specific cell fates along the proximo-distal axis of the nephron. Even if the morphological changes occurring during nephrogenesis are characterized, the regulatory networks driving nephron segmentation are still poorly understood. Interestingly, several studies have shown that the pronephric nephrons in Xenopus and zebrafish are segmented in a similar fashion as the mouse metanephric nephrons. Here we review functional and molecular aspects of nephron segmentation with a particular interest on the signaling molecules and transcription factors recently implicated in kidney development in these three different vertebrate model organisms. A complete understanding of the mechanisms underlying nephrogenesis in different model organisms will provide novel insights on the etiology of several human renal diseases.
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spelling doaj.art-57ff8bf3467542e680262debfa465a242023-09-03T04:08:30ZengMDPI AGCells2073-44092015-09-014348349910.3390/cells4030483cells4030483Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse StudiesAudrey Desgrange0Silvia Cereghini1Sorbonne Universités, UPMC Université Paris 06, IBPS–UMR7622, Paris F-75005, FranceSorbonne Universités, UPMC Université Paris 06, IBPS–UMR7622, Paris F-75005, FranceThe nephron is the basic structural and functional unit of the vertebrate kidney. To ensure kidney functions, the nephrons possess a highly segmental organization where each segment is specialized for the secretion and reabsorption of particular solutes. During embryogenesis, nephron progenitors undergo a mesenchymal-to-epithelial transition (MET) and acquire different segment-specific cell fates along the proximo-distal axis of the nephron. Even if the morphological changes occurring during nephrogenesis are characterized, the regulatory networks driving nephron segmentation are still poorly understood. Interestingly, several studies have shown that the pronephric nephrons in Xenopus and zebrafish are segmented in a similar fashion as the mouse metanephric nephrons. Here we review functional and molecular aspects of nephron segmentation with a particular interest on the signaling molecules and transcription factors recently implicated in kidney development in these three different vertebrate model organisms. A complete understanding of the mechanisms underlying nephrogenesis in different model organisms will provide novel insights on the etiology of several human renal diseases.http://www.mdpi.com/2073-4409/4/3/483pronephrosmetanephrosnephron segmentationregulatory networksvertebrates
spellingShingle Audrey Desgrange
Silvia Cereghini
Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
Cells
pronephros
metanephros
nephron segmentation
regulatory networks
vertebrates
title Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
title_full Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
title_fullStr Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
title_full_unstemmed Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
title_short Nephron Patterning: Lessons from Xenopus, Zebrafish, and Mouse Studies
title_sort nephron patterning lessons from xenopus zebrafish and mouse studies
topic pronephros
metanephros
nephron segmentation
regulatory networks
vertebrates
url http://www.mdpi.com/2073-4409/4/3/483
work_keys_str_mv AT audreydesgrange nephronpatterninglessonsfromxenopuszebrafishandmousestudies
AT silviacereghini nephronpatterninglessonsfromxenopuszebrafishandmousestudies