AKAP13 and idiopathic pulmonary fibrosis: A previous study of 119 patients with IPF and 50 donor lung controls from the Lung Tissue Resource Consortium reported a small decrease of AKAP13 expression in patients with IPF compared with controls using gene expression data from the Affymetrix Gene ST1·0 array;52 whereas our data using RT-PCR showed a moderate increase of AKAP13 expression in patients with IPF compared with controls.