Article Text

Download PDFPDF
Transforming growth factor beta 2 in labial salivary glands in Sjögren's syndrome.
  1. H Koski,
  2. Y T Konttinen,
  3. X H Gu,
  4. J Hietanen,
  5. M Malmström
  1. Department of Anatomy, University of Helsinki, Finland.


    OBJECTIVE--To compare the distribution and the amount of transforming growth factor beta (TGF beta) in labial salivary glands (LSG) in patients with Sjögren's syndrome (SS) and healthy controls. METHODS--LSG from SS patients (n = 10) and healthy controls (n = 6) were labelled with peroxidase-antiperoxidase staining for TGF beta 2, which was quantitated in image analysis using Video Interactive Display System software. RESULTS--In all LSGs in SS and healthy controls, TGF beta 2 was found in endothelial cells of the capillaries and in the capsular and stromal fibroblasts. In LSGs in SS, TGF beta 2 was also found in some lymphocytes in the inflammatory cell foci and in fibroblasts in fibrotic areas. The TGF beta 2 staining index (microns 2/mm2 tissue) was greater in SS than in control LSGs (3670 (SEM 430) v 2061 (176); p < 0.01), with no difference between the primary and secondary forms of SS (p > 0.05). CONCLUSION--The localisation and the level of expression of TGF beta 2 indicate its involvement in local tissue fibrosis, and may reflect attempts at immunosuppression.

    Statistics from

    Request Permissions

    If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.