Table 1.

Description of Primary Antibodies Used for Indirect Immunostaining

Antibody	Initial concentration	Origin	Epitope recognition	Final concentration (dilution in PBS)
TGF-β1	200 μg/ml	Rabbit polyclonal IgG	Extreme carboxy terminus of TGF-β1 (region of mature peptide)	0.002 μg/μl (1:100)
TGF-β2	200 μg/ml	Rabbit polyclonal IgG	Extreme carboxy terminus of TGF-β2 (region of mature peptide)	0.002 μg/μl (1:100)
TGF-β3	200 μg/ml	Rabbit polyclonal IgG	Extreme carboxy terminus of TGF-β3 (region of mature peptide)	0.0027 μg/μl (1:75)
TGF-β RI (R-20)	200 μg/ml	Rabbit polyclonal IgG	Carboxy terminus of TGF-β RI (region of mature peptide)	0.002 μg/μl (1:100)
TGF-β RII (L-21)	200 μg/ml	Rabbit polyclonal IgG	Amino terminus of TGF-β RII (region of signal and mature peptide)	0.002 μg/μl (1:100)
TGF-β RII (H-567)	200 μg/ml	Rabbit polyclonal IgG	Full length TGF-β RII (entire peptide)	0.002 μg/μl (1:100)
TGF-β RIII (C-20)	200 μg/ml	Goat polyclonal IgG	Carboxy terminus of TGF-β RIII (region of mature peptide)	0.002 μg/μl (1:100)