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Updated: Jan 30, 2026

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Tetrac Delayed the Onset of Ocular Melanoma in an Orthotopic Mouse Model

Osnat Ashur-Fabian1,2, Ofira Zloto3, Ina Fabian4

  • 1Department of Human Molecular Genetics and Biochemistry, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

Frontiers in Endocrinology
|January 24, 2019
PubMed

Insights

Researchers developed a new mouse model for ocular melanoma, the most common adult eye cancer. This model aids in testing new treatments for intraocular tumors, improving drug discovery for this rare cancer.

Area of Science:

  • Ophthalmology
  • Oncology
  • Translational Medicine

Background:

  • Ocular melanoma, the most common primary intraocular malignancy in adults, lacks adequate in vivo models for research.
  • Limited availability of effective in vivo models hinders the study of ocular melanoma progression and treatment.

Purpose of the Study:

  • To develop and optimize a reproducible mouse model for ocular melanoma.
  • To establish a platform for evaluating therapeutic interventions in ocular melanoma.

Main Methods:

  • Intraocular inoculation of B16F10 or B16LS9 melanoma cells into Balb/C albino mice.
  • Optimization of cell dosage (10^2 cells) for tumor growth with extended survival and reduced metastasis.
  • Administration of tetraiodothyroacetic acid (tetrac) to investigate therapeutic potential targeting the αvβ3 integrin pathway.

Main Results:

  • Optimized mouse model successfully developed intraocular tumors with extended survival and no metastasis.
  • Tetraiodothyroacetic acid (tetrac) demonstrated a delay in tumor onset in integrin-positive (B16F10) cells, but not in integrin-negative (B16LS9) cells.
  • The developed model provides an extended therapeutic window for drug evaluation.

Conclusions:

  • The optimized mouse ocular melanoma model is a valuable platform for preclinical research.
  • The model facilitates the investigation of therapeutic strategies targeting specific molecular pathways in ocular melanoma.
  • This research advances the development of new treatments for ocular melanoma.
Keywords:
melanomamousetetracthyroidαvβ3 integrin

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