TERF1 and idiopathic pulmonary fibrosis: To investigate the importance of the ‘HATABD’ sequence of RHAMM on TERT mRNA expression, a mouse model with idiopathic pulmonary fibrosis (IPF) was chosen as IPF is characterized by TRF1 deletion or Tert deficiency, especially following a bleomycin (BLM) challenge (Povedano et al., 2015).