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Does hyaluronic acid stimulate tumor growth after endoscopic mucosal resection?

Cited 6 time in Web of Science Cited 7 time in Scopus

Sohn, Dae Kyung; Chang, Hee Jin; Choi, Hyo Seong; Jeong, Seung-Yong; Kook, Myeong-Cherl; Kim, Chan Gyoo; Choi, Il Ju

Issue Date
J Gastroenterol Hepatol. 2008 Aug;23(8 Pt 1):1204-7.
Adjuvants, Immunologic/*adverse effectsAdultAgedFemaleGastric Mucosa/surgeryHumansHyaluronic Acid/*adverse effectsIntestinal Mucosa/surgeryMaleMiddle AgedNeoplasms/etiology/*surgeryEndoscopy, Digestive System
BACKGROUND AND AIM: A submucosal injection of sodium hyaluronate is widely used for mucosal elevation in endoscopic mucosal resection (EMR) or endoscopic submucosal dissection procedures; however, the oncologic safety of sodium hyaluronate remains unknown. Hyaluronate is the main ligand for CD44 and this interaction was reported to promote tumor progression in in vitro or animal studies. This study aimed to evaluate the effects of sodium hyaluronate on tumor growth after EMR for gastrointestinal cancers. METHODS: The study included 18 consecutive patients who underwent surgery for locally-recurrent or remnant gastrointestinal cancers after EMR from January 2001 to December 2006. The immunohistochemical expression levels of Ki-67, CD44, ErbB2, and epidermal growth factor receptor (EGFR) were evaluated in the primary tumor tissue and the recurrent tumor. The protein expression in recurrent or remnant lesions was also compared between the sodium hyaluronate group and non-sodium hyaluronate group. RESULTS: Sodium hyaluronate was used in nine of 14 cases with EMR for gastric cancers and in one of four cases for colon cancers. The time to operation after EMR was 133 days (5-687 days). An analysis of the immunohistochemical expression levels between primary and recurrent or remnant tumors showed no significant differences in the expression levels of Ki-67, CD44, ErbB2, and EGFR with or without sodium hyaluronate. CONCLUSIONS: We found no evidence that sodium hyaluronate stimulates the growth of remnant tumors after EMR.
1440-1746 (Electronic)
0815-9319 (Print)
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