Cytotoxicity and antineoplastic activities of alkylamines and their borane derivatives

I H Hall1, E Y Tse, R A Muhammad

  • 1Division of Medicinal Chemistry and Natural Products School of Pharmacy University of North Carolina Chapel Hill NC 27599-7360 USA.

Metal-Based Drugs
|January 1, 1996
PubMed

Insights

Alkylamine compounds show potent anti-cancer effects by inhibiting DNA and protein synthesis in tumor cells. These agents disrupt purine synthesis and reduce nucleotide pools, leading to cell death.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Alkylamines and boron derivatives exhibit significant cytotoxicity.
  • Cytotoxic action is not solely dependent on the boron atom for certain tumor types.

Purpose of the Study:

  • To investigate the cytotoxic mechanisms of alkylamines and related boron derivatives.
  • To understand how these agents inhibit tumor cell growth.

Main Methods:

  • Assessing cytotoxicity in murine and human tissue cultured cells.
  • Measuring inhibition of DNA and protein synthesis.
  • Analyzing effects on IMP dehydrogenase, ribonucleotide reductase, and nucleoside kinase activities.

Main Results:

  • Alkylamines inhibit DNA and protein synthesis.
  • Purine synthesis is blocked at IMP dehydrogenase.
  • Reduced ribonucleotide reductase and nucleoside kinase activities lead to decreased d[NTP] pools.
  • Some agents cause DNA fragmentation and reduced DNA viscosity.

Conclusions:

  • Alkylamines suppress tumor cell growth through multifaceted inhibition of DNA and protein synthesis.
  • Potential mechanisms include blocking purine synthesis, depleting nucleotide pools, and direct DNA interaction.
  • These molecular effects contribute to the observed cell death.

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