Might want to look into zinc for these stuck stem cells:

Zinc Promotes Adipose-Derived Mesenchymal Stem Cell Proliferation and Differentiation towards a Neuronal Fate https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5932442/

Quercetin/Zinc complex and stem cells: A new drug therapy to ameliorate glycometabolic control and pulmonary dysfunction in diabetes mellitus: Structural characterization and genetic studies https://journals.plos.org/plosone/article?id=10.1371/journal...