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Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle
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Serum BTP concentrations are not affected by hepatic dysfunction.

Debarati Chakraborty1, Ayub Akbari2,3,4, Greg A Knoll2,3,4

  • 1Division of Nephrology, Department of Medicine, Queen's University, Etherington Hall, 94 Stuart Street, Kingston, ON, K7L 2N6, Canada.

BMC Nephrology
|April 15, 2018
PubMed
Summary
This summary is machine-generated.

Serum Beta Trace Protein (BTP) levels are not affected by cirrhosis, indicating the liver does not significantly impact BTP metabolism. This supports BTP

Keywords:
Beta trace proteinCirrhosisCreatinineCystatin CGlomerular filtration rate

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Area of Science:

  • Biochemistry
  • Nephrology
  • Hepatology

Background:

  • Beta Trace Protein (BTP) is a potential biomarker for Glomerular Filtration Rate (GFR).
  • The metabolism and production of BTP, particularly by the liver, are not well understood.
  • Hepatic dysfunction might alter serum BTP levels independently of GFR, affecting GFR estimation accuracy.

Purpose of the Study:

  • To investigate the impact of cirrhosis on serum BTP concentrations.
  • To assess if hepatic dysfunction influences BTP levels relevant to GFR estimation.

Main Methods:

  • Serum BTP, cystatin C (cysC), and creatinine (Cr) were measured in 99 cirrhotic patients and controls.
  • Ratios of BTP/cysC and Cr/cysC were compared between groups.
  • Analyses were stratified by Child Pugh classification to assess severity of cirrhosis.

Main Results:

  • No significant difference in BTP/cysC ratios was observed between cirrhotic patients and controls across all Child Pugh categories.
  • A significant difference in BTP/Cr ratios was found between cases (1.09) and controls (0.73).
  • The BTP/Cr ratio increased with cirrhosis severity, unlike the stable BTP/cysC ratio.

Conclusions:

  • Hepatic dysfunction does not appear to significantly influence serum BTP levels.
  • These findings suggest a limited role for the liver in BTP metabolism.
  • Further validation in larger cohorts with advanced cirrhosis is recommended.