... arrows). (C–E) Staining of sPLA2-V in three active RA tissues. In all cases, intense staining of the granulation tissue in the sublining interstitium was evident. Staining of the granulation ... staining of sPLA2-IIE was observed in two inactive RA sections (Fig. 4A), it was intense in VSMC in three distinct active RA sections (Fig. 4Ba–c). In contrast, staining of synovial lining cells ... sporadicand weak staining in individual cells (Fig. 4Ca,b), anda few interstitial cells provided intense staining in onesample (Fig. 4Cb). In two active RA sections, scatteredstaining of sPLA2-IIF...