The identification of dual protective agents against cisplatin-induced oto- and nephrotoxicity using the zebrafish

Jaime N Wertman1,2, Nicole Melong2,3, Matthew R Stoyek4

  • 1Dalhousie University, Department of Microbiology and Immunology, Halifax, Canada.

Elife
|July 29, 2020
PubMed

Insights

Dopamine and L-mimosine protect against cisplatin

Area of Science:

  • Oncology
  • Toxicology
  • Pharmacology

Background:

  • Cisplatin is an effective chemotherapy agent but causes dose-limiting toxicities like ototoxicity and nephrotoxicity.
  • These toxicities lead to lifelong complications, especially in pediatric cancer survivors.

Purpose of the Study:

  • To identify compounds that protect against cisplatin-induced oto- and nephrotoxicity.
  • To evaluate the potential of dopamine and L-mimosine as protective agents during cisplatin treatment.

Main Methods:

  • A two-pronged drug screen using zebrafish lateral line for ototoxicity and kidney cell assays for nephrotoxicity.
  • Screened 1280 compounds to identify oto- and nephroprotective agents.
  • Investigated dopamine and L-mimosine for their protective mechanisms and efficacy.

Main Results:

  • Identified 22 compounds with both oto- and nephroprotective properties.
  • Dopamine and L-mimosine demonstrated protection of hair cells and preserved kidney function in zebrafish models.
  • These protective agents did not interfere with cisplatin's cytotoxic effects on cancer cells.

Conclusions:

  • Dopamine and L-mimosine show potential for mitigating cisplatin-induced toxicities.
  • Provides preclinical evidence for safer cisplatin administration, particularly benefiting pediatric cancer survivors.
  • Offers insights into the mechanisms of cisplatin-induced oto- and nephrotoxicity.

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