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Related Experiment Videos

How does whisky lower serum urate level?

Yang Lu1, Takeo Nakanishi, Miki Fukazawa

  • 1Department of Membrane Transport and Biopharmaceutics, Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.

Phytotherapy Research : PTR
|September 12, 2013
PubMed
Summary
This summary is machine-generated.

Moderate whisky consumption lowers serum urate levels by inhibiting the urate transporter 1 (URAT1). This study investigated the effects of whisky congeners on urate transporters, revealing URAT1 as the primary target.

Keywords:
URAT1URATv1transporteruratewhisky congener

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Area of Science:

  • Biochemistry
  • Nephrology
  • Pharmacology

Background:

  • Clinical studies indicate moderate whisky intake reduces serum urate levels and increases urinary excretion.
  • The precise mechanism behind whisky's effect on serum urate remains unclear.
  • Renal reabsorption significantly impacts serum urate concentration.

Purpose of the Study:

  • To investigate the effects of whisky congeners on key urate transporters.
  • To elucidate the molecular mechanism by which whisky influences serum urate levels.

Main Methods:

  • Examined the impact of whisky congeners on urate transporter 1 (URAT1) and voltage-driven urate transporter (URATv1).
  • Utilized Xenopus oocytes expressing these transporters to measure urate uptake inhibition.
  • Determined half-maximal inhibitory concentration (IC50) values for whisky congeners on URAT1 and URATv1.

Main Results:

  • Whisky congeners significantly inhibited urate uptake by URAT1.
  • IC50 values for 12- and 18-year-old whisky congeners on URAT1 were 0.08 ± 0.01 and 0.04 ± 0.01 mg/mL, respectively.
  • Inhibition of URATv1 by whisky congeners occurred only at a higher concentration (1 mg/mL).

Conclusions:

  • The primary mechanism for decreased serum urate levels after whisky consumption is likely the inhibition of URAT1 by whisky congeners.
  • URAT1 is a key target for whisky's uricosuric effect.
  • Further research may explore therapeutic potential for managing hyperuricemia.