Table 1.

Experimental studies using cell therapy in silicosis.

Model	Cell type	Route	Number of cells	Follow-up	Reference
C57BL/6	BMDC	i.t.	2 × 106	30 and 60 days	[96]
C57BL/6	BMMC	i.v.	2 × 106	15 days	[97]
Nude mice	HUES-3	i.t.	2.5 × 106	15 days	[98]
Sprague-Dawley	BMSC	i.t.	3 × 106	14 days	[99]
C57BL/6	BMDC	i.t.	2 doses of 2 × 106	60 days	[36]
C57BL/6	BMSC	i.v.	2 × 105	15 and 30 days	[100]
C57BL/6	BMMC	i.v.	1 × 106	70 days	[16]

BMDC: bone marrow-derived cells; BMMC: bone marrow mononuclear cells; BMSC: bone marrow-mesenchymal stromal cells; HUES: human embryonic stem cells; i.t.: intratracheal; i.v.: intravenous.