Table 2

Monoclonal antibodies used in the study

Antibody	Specificity and reactivity	Reference	Source	Working dilution
HHF-35	Muscle actin	Gown et al ⁸	Dako	1:50
CGA-7	Smooth muscle cell actin	Gown et al 8 9	Enzo	1:20
Anti- vimentin	Smooth muscle cells, fibroblasts, macrophages, endothelial cells		Dako	1:100
HAM-56	Macrophages, some endothelial cells	Gownet al ⁸	Dako	1:70
PGM-1	Macrophages		Dako	1:100
Anti-vWf	Endothelial cells		Dako	1:50
UCHL-1	T lymphocytes		Dako	1:150
L-26	B lymphocytes		Dako	1:250
Anti-PCNA	Proliferating cells		Dako	1:50

Antibodies were obtained from: Dako, Dako Laboratory, Glostrup Denmark; Enzo, Enzo Biochemicals, New York, USA.