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Table 2 Comparison of endogenous and exogenous stem/progenitor cells in the lung regeneration/repair

From: Stem/progenitor cells in endogenous repairing responses: new toolbox for the treatment of acute lung injury

Cell type Isolation Purification Culture Risk of contamination Ability of self-renewal Ability of differentiation Adverse reaction
Exogenous stem progenitor cells + + + ± + + ±
Endogenous stem progenitor cells + +