Abstract
Background: The survival of premature newborns increased in the last decades due to advances in neonatal care. The physiology of this group is still under investigation, once the incomplete organogenesis entails functional particularities that are not yet clarified by current clinical knowledge. The immature kidneys are especially susceptible to acute injury with potential long-term impacts. Current diagnostic parameters of acute kidney injury are limited among the preterm population. The commonly used serum creatinine protein constitutes a poor biomarker to predict early lesions as it is susceptible to several factors, including muscle mass and gestational age.
Objective: The present review explores the evidence on nephrogenesis, renal function, and acute kidney injury in neonatology, as well as studies on renal function biomarkers and their potential application for diagnosis, follow-up, and prognosis in preterm newborns.
Results: Premature newborns reach full-term gestational age with reduced number and quality of nephrons. Consequently, the glomerular filtration rate and tubular function become impaired and are proportional to the gestational age. Despite having a high incidence among the pediatric population, acute kidney injury is still underdiagnosed and poorly managed due to the absence of proper, sensible, and non-invasive biomarkers. Although cystatin C, NGAL, and KIM-1, are promising urinary markers, current literature remains inconsistent.
Conclusion: Further research is needed to properly identify and standardize sensible and specific urinary biomarkers to better assess kidney function in preterm newborns.
Keywords: Preterm newborns, renal function, urinary biomarkers, nephrogenesis, acute kidney injury, low gestational age.
Current Medicinal Chemistry
Title:Nephrogenesis, Renal Function, and Biomarkers in Preterm Newborns
Volume: 29 Issue: 23
Author(s): Luísa Petri Corrêa, Felipe Rodrigues Gatto, Guilherme Yanq Sen Bressani, Katharina Lanza and Ana Cristina Simões e Silva*
Affiliation:
- Laboratory of Medical Investigation, Department of Pediatrics, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
Keywords: Preterm newborns, renal function, urinary biomarkers, nephrogenesis, acute kidney injury, low gestational age.
Abstract:
Background: The survival of premature newborns increased in the last decades due to advances in neonatal care. The physiology of this group is still under investigation, once the incomplete organogenesis entails functional particularities that are not yet clarified by current clinical knowledge. The immature kidneys are especially susceptible to acute injury with potential long-term impacts. Current diagnostic parameters of acute kidney injury are limited among the preterm population. The commonly used serum creatinine protein constitutes a poor biomarker to predict early lesions as it is susceptible to several factors, including muscle mass and gestational age.
Objective: The present review explores the evidence on nephrogenesis, renal function, and acute kidney injury in neonatology, as well as studies on renal function biomarkers and their potential application for diagnosis, follow-up, and prognosis in preterm newborns.
Results: Premature newborns reach full-term gestational age with reduced number and quality of nephrons. Consequently, the glomerular filtration rate and tubular function become impaired and are proportional to the gestational age. Despite having a high incidence among the pediatric population, acute kidney injury is still underdiagnosed and poorly managed due to the absence of proper, sensible, and non-invasive biomarkers. Although cystatin C, NGAL, and KIM-1, are promising urinary markers, current literature remains inconsistent.
Conclusion: Further research is needed to properly identify and standardize sensible and specific urinary biomarkers to better assess kidney function in preterm newborns.
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Cite this article as:
Corrêa Petri Luísa , Gatto Rodrigues Felipe , Bressani Yanq Sen Guilherme, Lanza Katharina and Simões e Silva Cristina Ana *, Nephrogenesis, Renal Function, and Biomarkers in Preterm Newborns, Current Medicinal Chemistry 2022; 29 (23) . https://dx.doi.org/10.2174/0929867328666211101102227
DOI https://dx.doi.org/10.2174/0929867328666211101102227 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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