Species Cell Type
- Humans * Fibroblasts * Cord blood cells
- Mice * Keratinocytes * Neural stem cells
- Rats * Melanocytes * Adipose stromal cells
- Pigs * Hepatocytes * Gastric epithelial cells
- Rabbits * Thymocytes * Lymphocytes:
- Marmosets * Amniotic fluid ** B - cell type
- Rhesus Monkeys * Peripheral blood cells ** T - cell type
Germ Layer
(1)Ectoderm: ** Fibroblasts** Neural stem cells
** Keratinocytes** Meningiocytes
** Melanocytes** Dermal papilla cells
** Other cell sources
(2) Mesoderm:
- Synoviocytes - Granulocyte-colony stimulating factor (G-CSF) mobilized human CD34+ peripheral blood cells
- Adipose stem cells - Mesenchymal-like cells from umbilical cord matrix
- Periosteal cells - Amniotic membrane mesenchymal cells.
- Bone marrow progenitor cells - Peripheral mononuclear blood cells [T-and B- lymphocytes]
- CD 133 + cord blood cells - Other cell sources
(3) Endoderm:
** Liver cells; hepatocytes ** Nasal epithelial cells
** Stomach cells, gastric cells ** Urine - derived cells
** Pancreatic β- cells ** Other cells
** Dental pulp cells  
Table 3: Sources of iPSCs classified according to species, cell type and germ layer.