Prostaglandin-endoperoxide synthase 2 (PTGS2), also known as cyclooxygenase 2 (COX-2), plays a critical role in many normal physiological functions and modulates a variety of pathological conditions.
Additional file 4. A retroviral shRNA library used to screen for genes involved in the maintenance of X inactivation. The genes targeted and the numbers of hairpins against each are shown. Dnmt1 [66,6
