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Gastric Epithelium Proliferation in Early Hp + and Hp- Gastritis : a Flow Cytometry Study (CROSBI ID 95854)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Melato, Mauro ; Sidari, Laura ; Rizzaldi, Clara ; Kovač, Dražen ; Štimac, Davor ; Baxa, Pietro ; Jonjić, Nives Gastric Epithelium Proliferation in Early Hp + and Hp- Gastritis : a Flow Cytometry Study // Anticancer Research, 21 (2001), 1347-1354

Podaci o odgovornosti

Melato, Mauro ; Sidari, Laura ; Rizzaldi, Clara ; Kovač, Dražen ; Štimac, Davor ; Baxa, Pietro ; Jonjić, Nives

engleski

Gastric Epithelium Proliferation in Early Hp + and Hp- Gastritis : a Flow Cytometry Study

Helicobacter pylory increases cellular turn-over causing hyperproliferation and possible assumption of neoplastic characteristics by the gastric epithelial cells. To verify whether patients at risk of cancer can be identified at the very first stages of gastric disease, we studied a sample of patients affected by early Hp+ and Hp- gastritis by jlow cytometry and assessed the methods commonly adopted to study gastric cell proliferation. 48 fresh biopsies taken from the gastric antrum and body of 24 patients who had undergone endoscopy for dyspepsia, and 48 paraffin-embedded antrum and body biopsies taken from the files of our Department were studied by flow-cytomet~y. The following markers and parameters were considered: S phase, proliferation index, PCNA and ploidy. No correlation was found between Hp+ or Hp- gastritis and gastric cell proliferation and no cases of aneuploidy were observed. Gastric proliferation was found to vary depending on the methods, markers and type of biopsy employed. Furthermore, proliferation expressed by PCNA was significantly different in antrum and body. The commonly studied proliferation markers do not allow the early detection of patients at risk of gastric cancer by flow cytometry. Proliferation differences between body and antrum must be taken into account in the investigation of gastric diseases.

flow-cytometry; gastric epithelium; gastritis; Helicobacter pylori; proliferation markers

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Podaci o izdanju

21

2001.

1347-1354

objavljeno

0250-7005

Povezanost rada

Temeljne medicinske znanosti

Indeksiranost