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Applied Research

The University of Texas at San Antonio
Hai-Chao Han; Brendy Rincon Troconis

Transposable elements, known colloquially as ?jumping genes,? constitute approximately 45% of the humangenome. Cells utilize epigenetic defenses to limit transposable element jumping, including formation of silencingheterochromatin and generation of piwi-interacting RNAs (piRNAs), small RNAs that facilitate clearance oftransposable element transcripts. Transposable element activation has recently been identified as a keymediator of neuronal death in tauopathies, a group of neurodegenerative disorders that are pathologicallydefined by deposits of tau protein in the brain.

UT Health San Antonio
Frost, Susan Elizabeth