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- Title
Proteolytic enzymes in salivary extravasation mucoceles.
- Authors
Azuma, Masayuki; Tamatani, Tetsuya; Fukui, Kazuhiro; Yuki, Tokuyuki; Hoque, Mohammad Obaidul; Yoshida, Hideo; Sato, Mitsunobu; Azuma, M; Tamatani, T; Fukui, K; Yuki, T; Hoque, M O; Yoshida, H; Sato, M
- Abstract
We examined the content of type IV collagenases and plasminogen activators (PAs) in luminal fluid of four extravasation mucoceles by means of gelatin or casein zymography. Immunohistochemical staining for type IV collagenases and PAs was performed to identify the possible source of these enzymes. The luminal fluid examined by gelatin zymography showed a high level of type IV collagenases compared with saliva from Wharton's duct. PAs were detected in only one of the cases by casein zymography, and none was detected in the saliva. By immunohistochemical staining, type IV collagenases and PAs were detected in duct and myoepithelial cells of the adjacent salivary gland and in macrophages and fibroblasts of the cyst wall. The results suggest that proteolytic enzymes are involved in the pathogenesis of mucoceles.
- Subjects
PROTEOLYTIC enzymes; SALIVARY glands; BLOOD coagulation factors; ENZYMES; MACROPHAGES; CASEINS
- Publication
Journal of Oral Pathology & Medicine, 1995, Vol 24, Issue 7, p299
- ISSN
0904-2512
- Publication type
journal article
- DOI
10.1111/j.1600-0714.1995.tb01188.x