Single-stranded DNA generated by high temperature accepts protons and builds up mutagenic and carcinogenic strong acids

Mol Biol Rep. 2021 Nov;48(11):7633-7635. doi: 10.1007/s11033-021-06804-0. Epub 2021 Oct 13.

Abstract

Malignancies are caused by genetic or environmental factors. Esophageal carcinoma can be triggered by consumption of hot food and beverages. Here we propose that high temperature is one of the culprits and it leads to DNA denaturation. Subsequently the exposed hydrogen bonding acceptors in single stranded DNA attract protons which enhance the formation of mutagenic and carcinogenic strong acids such as HCl. Faster mutation of single-stranded DNA viruses than that of double-stranded DNA viruses lends support to this theory.

Keywords: DNA denaturation; Environmental factors; Esophageal carcinoma; High temperature; Hydrogen bonding.

MeSH terms

  • Carcinogenesis / metabolism*
  • Carcinogens / metabolism*
  • DNA, Single-Stranded / metabolism*
  • Esophageal Neoplasms / metabolism*
  • Hot Temperature / adverse effects*
  • Humans
  • Nucleic Acid Denaturation*

Substances

  • Carcinogens
  • DNA, Single-Stranded