This process, called haematopoiesis, occurs in the red bone marrow at the core of most bones. Data presented at ASH 2018 demonstrated in vivo an increased production of fetal hemoglobin, which can be beneficial to patients with sickle cell disease or beta-thalassemia. The biggest Wall Street bull on EDIT is SunTrust. After ASH, their analyst Peter Lawson said the bank's biotech team was encouraged by Editas' systemic analysis for their hematological approach and important data flow in 2019. They reiterated a BUY rating and $45 PT on EDIT.