Cell preparations were fixed in PFA without pre-extraction (scale bar 5 m). suggests that defects in RNP biogenesis pathways contribute to the pathology of HHS. INTRODUCTION Regulator of Telomere ELongation helicase 1 (RTEL1) was first identified in as being responsible for the maintenance of long telomeres in embryonic stem (ES) cells (1). Mouse Rtel1 is […]