HMOX1 and hematologic disorder: Potential clinical translation of HO‐1 function in the HSC niche should take into consideration: (i) monitoring HO‐1 expression as a diagnostic for bone marrow age and niche dysfunction, (ii) screening for HO‐1 polymorphisms in hematological disorders, and (iii) targeting HO‐1 activity and expression by pharmacological induction.