A study in Science Advances has shown that ancient viral DNA fragments can promote cancer cell growth. The LTR10 gene, from a retrovirus embedded in human DNA 30 million years ago, is active in multiple cancers. Silencing these sequences might offer new avenues for cancer therapy. A study in Science Advances has shown that ancient viral DNA fragments can promote cancer cell growth. The LTR10 gene, from a retrovirus embedded in human DNA 30 million years ago, is active in multiple cancers. Silencing these sequences might offer new avenues for cancer therapy. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle