TRANSFORMING GROWTH-FACTOR-BETA-2 IN LABIAL SALIVARY-GLANDS IN SJOGRENS-SYNDROME
TRANSFORMING GROWTH-FACTOR-BETA-2 IN LABIAL SALIVARY-GLANDS IN SJOGRENS-SYNDROME
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DOI:
10.1136/ard.54.9.744
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发表时间:
1995-09-01
影响因子:
27.4
通讯作者:
MALMSTROM, M
中科院分区:
文献类型:
--
作者:
KOSKI, H;KONTTINEN, YT;MALMSTROM, M
Objective-To compare the distribution and the amount of transforming growth factor beta (TGF beta) in labial salivary glands (LSG) in patients with Sjogren'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 (mu m(2)/mm(2) 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.