HSDL2 and neoplasm: Transcripts such as Protein disulfide-isomerase (PDIA4), Ribosome biogenesis protein (NOP53), Golgi apparatus protein 1 (GSLG1), Hydroxysteroid dehydrogenase-like protein 2 (HSDL2), and Wiskott-Aldrich syndrome protein family member 2 (WASF2) (Fig. 1) are indeed associated with tumor cell proliferation, growth and metastasis [67–71].