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The activity of selected glycosidases in salivary gland tumors.

Abstract
The monitoring of the patients after salivary gland tumors surgery is an important clinical issue. Still imperfect diagnostic procedures also remain a challenge for searching new sensitive and specific biomarkers of neoplastic processes in salivary glands. The aim of the presented study was an the assessment of the activity of HEX, with its isoforms HEX-A and HEX-B, GLU, GAL, MAN and FUC in salivary gland tumor tissues in comparison to a healthy salivary gland tissues taken during autopsy. A group of 42 patients with benign and malignant salivary gland tumors, aged 25-65 were examined. Fragments of salivary gland tumor tissue, fragments of healthy tissue removed during autopsy, blood serum and saliva were collected from patients with salivary gland tumors and healthy volunteers. In salivary gland tumor tissue the activity of HEX, HEX-A, HEX-B, GAL, FUC was considerably higher than in comparison to healthy salivary gland tissue and ascending trend of activity of GLU, MAN was also noticed. The activity of all lysosomal exoglycosidases in blood serum in patients with salivary gland tumors was considerably higher in comparison to healthy volunteers blood serum. The considerably higher activity of HEX, HEX-A, GLU, GAL, MAN, FUC and descending trend of activity of HEX-B were noticed in saliva of patients with salivary gland tumors in comparison to healthy volunteers. The assessment of HEX in blood serum and saliva of patients with salivary gland tumor can be possibly used in diagnostics and monitoring of salivary glands tumors.
AuthorsMarcin Bierc, Lukasz Minarowski, Lukasz Woźniak, Sylwia Chojnowska, Malgorzata Knas, Slawomir Szajda, Krzysztof Zwierz
JournalFolia histochemica et cytobiologica / Polish Academy of Sciences, Polish Histochemical and Cytochemical Society (Folia Histochem Cytobiol) Vol. 48 Issue 3 Pg. 471-4 (Sep 30 2010) ISSN: 1897-5631 [Electronic] Poland
PMID21071355 (Publication Type: Comparative Study, Journal Article)
Chemical References
  • Biomarkers, Tumor
  • Isoenzymes
  • Glycoside Hydrolases
  • Hexosaminidase A
  • Hexosaminidase B
Topics
  • Adult
  • Aged
  • Biomarkers, Tumor (blood)
  • Case-Control Studies
  • Female
  • Glycoside Hydrolases (metabolism)
  • Hexosaminidase A (blood, metabolism)
  • Hexosaminidase B (blood, metabolism)
  • Humans
  • Isoenzymes (blood, metabolism)
  • Lysosomes (enzymology)
  • Male
  • Middle Aged
  • Salivary Gland Neoplasms (enzymology, metabolism, pathology)
  • Salivary Glands (enzymology)
  • Sensitivity and Specificity
  • Serum (enzymology)

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