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LINE-1

·August 30, 2025·5 min read

“Junk DNA” Plays Key Role in Brain Development and Disease

A new study shows that repetitive DNA, once dismissed as “junk,” plays a critical role in shaping the human brain. Scientists found that LINE-1 transposons, a type of mobile DNA element, are active in stem cells and regulate key genes during early brain development.

This shows a person made out of a DNA strand.

Neuroscience

·December 15, 2023·4 min read

Unveiling the Dark Genome: LINE-1’s Role in Disease

A new study illuminated a part of the "dark genome," specifically focusing on LINE-1, a genetic element linked to various diseases and aging. Researchers have provided the first high-resolution images and structural details of LINE-1, an "ancient genetic parasite" with about 100 active copies in each person.