WNT5A and Fanconi anemia: Analysis of whole bone marrow revealed gene expression of Wnt2a, 2b, 3a, 5a and 10b [72,73,74,75,76,77], but this included cells forming the microenvironment, which might be responsible for the largest portion of the signal, as they are more prevalent—in fact, mesenchymal stem cells are described to be an important source of environmental Wnt5a [78] and a possible target for Fanconi Anemia treatment, exactly by its Wnt5a production [79].