{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T05:36:26Z","timestamp":1777700186898,"version":"3.51.4"},"reference-count":29,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2004,10,28]],"date-time":"2004-10-28T00:00:00Z","timestamp":1098921600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cell Biochemistry &amp;amp; Function"],"published-print":{"date-parts":[[2005,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Sialic acids occupy terminal positions on gastric mucus glycoprotein where they contribute to the high viscosity of mucin. Desialylation of mucus may lead to degradation of the mucus and eventually to the breakdown of the gastric mucus barrier. The effect of a variety of damaging agents (0.1\u2009<jats:sc>M<\/jats:sc> HCl, 2\u2009mg\u2009ml<jats:sup>\u22121<\/jats:sup> pepsin and 2\u2009<jats:sc>M<\/jats:sc> NaCl) on sialic acid profile was determined in pylorus\u2010ligated rats. The relationship between sialic acid, galactose, pyruvate and the extent of gastric mucosal damage were studied. Instillation of pepsin significantly increased total sialic acid, galactose and macroscopic mucosal lesions in the stomach. Instillation of 0.1\u2009<jats:sc>M<\/jats:sc> HCl reduced the total sialic acid but this decrease was not significant. Acidity led to a significant increase in the amount of free sialic acid in the gastric instillates and the macroscopic lesions induced by acid was not significantly different from the control animals (0.15\u2009<jats:sc>M<\/jats:sc> NaCl). 2\u2009<jats:sc>M<\/jats:sc> NaCl induced the macroscopic lesions in the stomach and also free sialic acid in the instillates. Pepsin potentiates the action of 2\u2009<jats:sc>M<\/jats:sc> NaCl. In all the agents examined with the exception of acid, it was observed that an increase in free sialic acid and galactose was accompanied by gastric mucosal erosion and elevation of pyruvate concentration. It is concluded that gastric acidity alone is not inherently damaging and that resistance of gastric mucosa to destructive agents may be dependent on the integrity of the sialic acids. Copyright \u00a9 2004 John Wiley &amp; Sons, Ltd.<\/jats:p>","DOI":"10.1002\/cbf.1156","type":"journal-article","created":{"date-parts":[[2005,8,22]],"date-time":"2005-08-22T04:00:16Z","timestamp":1124683216000},"page":"339-345","source":"Crossref","is-referenced-by-count":13,"title":["Correlation of gastric mucosal damage with sialic acid profile in rats: effect of hydrochloric acid, pepsin and hypertonic saline"],"prefix":"10.1002","volume":"23","author":[{"given":"Sadiq","family":"Yusuf","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew J.","family":"Nok","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Danladi A.","family":"Ameh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander B.","family":"Adelaiye","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emmanuel 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