ZBTB48 and cancer: To further investigate the in vivo binding of ZBTB48 to telomeres and to exclude that ZBTB48 telomere binding in cancer cells with short telomeres is masked in immunofluorescence due to a low abundance at telomeres and/or relatively strong signal of extratelomeric ZBTB48, we performed chromatin immunoprecipitation experiments combined with next‐generation sequencing (ChIPseq).