There are multiple definitions:

1. untranslated region(English)

   • e.g. 5'UTR
   • mRNA, STIM1, GATA, ANGPTL3, APOC3, LDLR, MCP-1, ncRNA, NF-kB, ox-LDL, PCSK-9, pre-miRNA, CSF, HFMD, MEF2, MS, PIV, pri-miR, RISC, SAFV, TMEV, SMC, VCAM-1, VHEV, VLDL-C
   • Genetics, Atherosclerosis /atherogenic
   • https://doi.org…science.1132292
   • https://doi.org…042/BSR20212355
   • https://doi.org/10.1002/rmv.1908

2. untwisting rate(English)

   • indicator of ventricular relaxation
   • Cardiology, Biophysics