Vitamin B12 in Cell Plasticity and Repair.

Cellular plasticity, which refers to the capacity of cells to alter their identity or potency in response to a variety of stimuli, is emerging as an essential component in tissue repair. Despite the fact that stem cells have historically been considered to be the major agents of plasticity, new research has demonstrated that even differentiated cells in organs including the stomach, pancreas, and lungs are capable of displaying plasticity under specific physiological conditions, such as during injury and repair. One element essential for many physiological processes is vitamin B12 (VB12). Beyond its well-known roles in red blood cell production and nervous system maintenance, VB12 is critical for one-carbon metabolism and DNA synthesis and repair, processes indispensable for cellular health and tissue integrity. With its wide spectrum of actions, VB12 may have the potential to significantly influence tissue plasticity and repair, paving the way for new therapeutic interventions. Investigating fundamental processes and considering consequences for illness and aging, this perspective contemplates the junction of VB12, cell plasticity, and tissue repair.