Table 2. . Evaluation of different parameters observed when the cells are cultured from young and older aged donor tissue.

Parameter	Young donor	Old donor	Ref.
Proliferative capacity	47%	23%	[40]
Cell senescence	Late	Early
Endothelial cell density	3000 cell/mm2	2700 cell/mm2	[41]
Availability	Low	High
Passage capacity	Maintain cell morphology at passage 4	Loss cell morphology at passage 4	[42]