4.3 Article

Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children

期刊

BIOCHEMIA MEDICA
卷 32, 期 3, 页码 -

出版社

CROATIAN SOC MEDICAL BIOCHEMISTRY & LABORATORY MEDICINE
DOI: 10.11613/BM.2022.030706

关键词

biomarker; brain -derived neurotrophic factor; child; nerve growth factor; overactive bladder

资金

  1. Croatian Science Foundation [UIP-2017-05-5379]

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This study did not demonstrate that urinary BDNF and NGF concentrations can be used as biomarkers for diagnosis and therapy monitoring of OAB in children.
Introduction: Overactive bladder (OAB) is the most common urinary disorder and the leading cause of functional daytime intermittent urinary incontinence in children. The aim of this study was to determine whether urinary brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) concentrations, normalized to urine creatinine, could be used as biomarkers for diagnosis and treatment monitoring of OAB in children.Materials and methods: Urine samples of 48 pediatric patients with OAB were collected at the start of anticholinergic therapy (baseline), at follow-up visits (3 and 6 months), and from 48 healthy controls. Urinary BDNF and NGF concentrations were determined by ELISA method (Merck, Darmstadt, Germany) and Luminex method (Thermo Fisher Scientific, Waltham, USA). Differences of frequency between quantifiable analyte con-centrations between subject groups were determined using Fisher's exact test.Results: There was no statistically significant difference between quantifiable analyte concentrations between patients at baseline and the control group for BDNF and NGF by either the ELISA or Luminex method (P = 1.000, P = 0.170, P = 1.000, and P = N/A, respectively). There was a statistically significant difference between quantifiable BDNF by the ELISA method between patients at baseline and complete success follow-up (P = 0.027), while BDNF by Luminex method and NGF by both methods were not statistically significant (P = 0.078, P = 0.519, and P = N/A, respectively).Conclusions: This study did not demonstrate that urinary BDNF and NGF concentrations, can be used as biomarkers for diagnosis and therapy mo-nitoring of OAB in children.

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