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Modeling LSD1-Mediated Tumor Stagnation.

Jesse Milzman1, Wanqiang Sheng2, Doron Levy3

  • 1Department of Mathematics and Center for Scientific Computation and Mathematical Modeling (CSCAMM), University of Maryland, College Park, MD, 20742, USA. jmilzman@umd.edu.

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Summary
This summary is machine-generated.

Lysine-specific demethylase 1 (LSD1) inhibition boosts anti-tumor T cell activity. Mathematical modeling reveals accelerated cytotoxicity but suggests it doesn't fully explain slower tumor growth in combination immunotherapies.

Keywords:
Adaptive immune responseLSD1 inhibitionMathematical oncologyTumor growthTumor-immune modeling

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Area of Science:

  • Immunology
  • Computational Biology
  • Oncology

Background:

  • Lysine-specific demethylase 1 (LSD1) is recognized as a cancer biomarker and therapeutic target.
  • LSD1 inhibition shows promise in reducing tumor growth and enhancing T cell infiltration.
  • LSD1 inhibition may synergize with PD1/PDL1 checkpoint inhibitors in cancer immunotherapy.

Purpose of the Study:

  • To elucidate the immunogenic effects of LSD1 inhibition on tumor growth and adaptive immune response.
  • To investigate the anti-tumor cytotoxicity mediated by LSD1 inhibition and T cell dynamics.
  • To understand the synergistic potential of LSD1 inhibition in combination immunotherapies.

Main Methods:

  • Development of a non-spatial delay differential equation mathematical model.
  • Modeling of tumor growth influenced by the adaptive immune response.
  • Fitting the model to data from the B16 mouse model (Sheng et al., 2018).

Main Results:

  • LSD1 inhibition accelerates anti-tumor cytotoxicity.
  • Cytotoxicity alone does not fully account for the observed slower tumor growth under LSD1 inhibition.
  • Evidence suggests immune mediation of the slower tumor growth effect.

Conclusions:

  • LSD1 inhibition enhances the immune system's ability to fight cancer.
  • Further research is needed to reconcile the accelerated cytotoxicity with the slower tumor growth.
  • Mathematical modeling provides insights into the complex interplay between LSD1 inhibition and anti-tumor immunity.