Characterisation of urinary monocyte chemoattractant protein 1: Potential biomarker for patients with overactive bladder

Bilal Farhan, Huiyi Chang, Ahmed Ahmed, Frank Zaldivair, Gamal Ghoniem

Research output: Contribution to journalArticle

Abstract

Objective: To investigate urinary monocyte chemoattractant protein 1 (MCP-1) as a potential marker for idiopathic overactive bladder (OAB). This is a quantitative measurement of urinary MCP-1 to establish baseline normal values that could help in future index studies. Normalised urinary MCP-1 levels are measured in female patients with OAB and aged-matched controls. Severity of OAB symptoms is correlated to normalised urinary MCP-1 levels. Patients and methods: Urinary MCP-1 levels were measured in 29 female patients with OAB and 10 normal female controls. The patients with OAB were either newly diagnosed or off any OAB oral therapy for at least 2 weeks. OAB symptoms were assessed using validated OAB questionnaires. Urinary MCP-1 levels were measured using enzyme-linked immunosorbent assay and normalised by urinary creatinine (Cr) levels. Results: The baseline urinary MCP-1 levels in female patients with OAB were significantly higher than those of the controls, at a mean of 210.25 vs 48.02 pg/mg Cr (P < 0.001). Patients who had severe OAB bother symptoms had higher levels of urinary MCP-1 (r = 0.03), also patients with OAB-wet had higher levels of urinary MCP-1, at a mean (SEM) of 209.25 (30.5) vs OAB-dry 185.25 (10) pg/mg Cr (P < 0.001). Conclusion: Urinary MCP-1 levels were higher in female patients with idiopathic OAB. The close association of urinary MCP-1 and OAB bother severity symptoms and OAB-wet suggest that inflammation plays a major role in the pathophysiological mechanisms underlying the sensitisation of bladder afferent nerves. Establishing urinary MCP-1 levels in patients with OAB hopefully will help future studies to confirm the correlation as a baseline and changes with treatments. Abbreviations: BMI: body mass index; Cr: creatinine; MCP-1: monocyte chemoattractant protein 1; OAB: overactive bladder; OAB-q: Overactive Bladder Questionnaire; PPBC: Patient Perception of Bladder Condition; UI: urinary incontinence.

Original languageEnglish (US)
Pages (from-to)58-60
Number of pages3
JournalArab Journal of Urology
Volume17
Issue number1
DOIs
StatePublished - Jan 2 2019
Externally publishedYes

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Overactive Urinary Bladder
Chemokine CCL2
Biomarkers
Creatinine
Urinary Bladder

Keywords

  • Monocyte chemoattractant protein 1
  • overactive bladder
  • urinary cytokines

ASJC Scopus subject areas

  • Urology

Cite this

Characterisation of urinary monocyte chemoattractant protein 1 : Potential biomarker for patients with overactive bladder. / Farhan, Bilal; Chang, Huiyi; Ahmed, Ahmed; Zaldivair, Frank; Ghoniem, Gamal.

In: Arab Journal of Urology, Vol. 17, No. 1, 02.01.2019, p. 58-60.

Research output: Contribution to journalArticle

Farhan, Bilal ; Chang, Huiyi ; Ahmed, Ahmed ; Zaldivair, Frank ; Ghoniem, Gamal. / Characterisation of urinary monocyte chemoattractant protein 1 : Potential biomarker for patients with overactive bladder. In: Arab Journal of Urology. 2019 ; Vol. 17, No. 1. pp. 58-60.
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N2 - Objective: To investigate urinary monocyte chemoattractant protein 1 (MCP-1) as a potential marker for idiopathic overactive bladder (OAB). This is a quantitative measurement of urinary MCP-1 to establish baseline normal values that could help in future index studies. Normalised urinary MCP-1 levels are measured in female patients with OAB and aged-matched controls. Severity of OAB symptoms is correlated to normalised urinary MCP-1 levels. Patients and methods: Urinary MCP-1 levels were measured in 29 female patients with OAB and 10 normal female controls. The patients with OAB were either newly diagnosed or off any OAB oral therapy for at least 2 weeks. OAB symptoms were assessed using validated OAB questionnaires. Urinary MCP-1 levels were measured using enzyme-linked immunosorbent assay and normalised by urinary creatinine (Cr) levels. Results: The baseline urinary MCP-1 levels in female patients with OAB were significantly higher than those of the controls, at a mean of 210.25 vs 48.02 pg/mg Cr (P < 0.001). Patients who had severe OAB bother symptoms had higher levels of urinary MCP-1 (r = 0.03), also patients with OAB-wet had higher levels of urinary MCP-1, at a mean (SEM) of 209.25 (30.5) vs OAB-dry 185.25 (10) pg/mg Cr (P < 0.001). Conclusion: Urinary MCP-1 levels were higher in female patients with idiopathic OAB. The close association of urinary MCP-1 and OAB bother severity symptoms and OAB-wet suggest that inflammation plays a major role in the pathophysiological mechanisms underlying the sensitisation of bladder afferent nerves. Establishing urinary MCP-1 levels in patients with OAB hopefully will help future studies to confirm the correlation as a baseline and changes with treatments. Abbreviations: BMI: body mass index; Cr: creatinine; MCP-1: monocyte chemoattractant protein 1; OAB: overactive bladder; OAB-q: Overactive Bladder Questionnaire; PPBC: Patient Perception of Bladder Condition; UI: urinary incontinence.

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