A Wen, Not Gilian Anderson

She studied florensic medicine and physics. Threw herself into her work, pushing herself to accomplish more and more. At first she is often mock towards moulder and his ideas. But while the scepticism remains, she doesn't lose that. Her attitude around it kind of shifts. She might be immortal. And i totally forgot about that. The plot lines are related. O this immortality thing and an infertility story line as well. On top of that, she has extra terrestrial dana that she uses to make a vexine to save humankind. Back in season too, shed unknowingly mothered a daughter named emily, who was adopted to another family, where she died soon after