Fig. 3
From: New insight into the role of lipid metabolism-related proteins in rheumatic heart valve disease
Immunohistochemical staining of ABCA1 and ACAC1. The expression of ABCA1 was not found in the ischemic mitral valve (A, × 40). ABCA1 expression and rheumatoid nodules in the rheumatic mitral valve (B, × 40). The expression of ACAT1 was weakly positive in the ischemic mitral valve (C × 40. Increased expression of ACAT1 was found in the rheumatic mitral valve (D, × 40)