BCL2 and B-cell non-Hodgkin lymphoma: In another study by Wang et al., the authors observed that PGC-1α also regulates the expression of B-cell lymphoma/leukemia-2 (Bcl-2) and stimulates the survival of mesenchymal stem cells via PGC-1α–ERRα interaction without the influence of serum, hypoxia, and high glucose conditions [15].