Abstract
The present study was designed to evaluate the role of postprandial hyperglycemia (PHG) on oesophageal epithelial barrier (OEB) integrity via evaluation expression of fucosylated glycans by PFA and LABA labeling and mechanism in formation PHG induced pre-ulcer lesions through the NO/NOS activity in OEB and therapeutic potential and mechamism of L-Tryptophan influence on OEB lesions. Fucosaylated glycans are contributed in OEB integrity. NO/NOS activity seem to play a critical role in OEB ulcerogenesis because blocking its activity aggravates experimental OEB lesions, most likely through the inflammation, vascular and perivascular changes.
References
1. Becker DJ, Lowe JB.: Fucose: biosynthesis and biological function in mammals. Glycobiology 13 (7), 2003.
2. Chen L., Magliano D.J., Zimmet P. Z.: The worldwide epidemiology of type 2 diabetes mellitus - present and future perspectives. Nat. Rev. Endocrinol, 8, 2012.
3. De Boer S.Y.et al.: Relationships of upper gastrointestinal motor and sensory function with glycemic control. Diabetes Care, 24(2), 1992.
4. Filaretova LP, Takeuchi K., editors (2012). Frontiers in Gastrointestinal Research. Zayachkivska O.: Physiopathology of esophageal inflammation, ulcerogenesis and repair by studying the profile of glycoconjugate. Cell/Tissue Injury and Cytoprotection /Organoprotection in the Gastrointestinal Tract: Mechanisms, Prevention and Treatment/ - Basel, Karger, 30, P.148–160.
5. Green L.C., David A.W., Clodowski J.: Analysis of nitrite, nitrite and ISN nitrate in biological fluids. Anal Biochem, 126, 1992.
6. Ishikawa H.O. et al.: Notch deficiency implicated in the pathogenesis of congenital disorder of glycosylation IIc. Proc Natl Acad Sci USA, 20;102 (51), 2005.
7. Konturek S.J. et al.: Protective influence of melatonin against acute esophageal lesions involves prostaglandins, nitric oxide and sensory nerves. J Physiol Pharmacol 58(2), 2007.
8. Kozar V.V. et al. Stan Humoralnoj lanky imynitetu za umov metabolichnoho syndromy na tli hypoesterogenij ta joho farmakolohichna korekciya. Buk. Med. Vistnyk. 13(4), 2009. 141-144 [Ukrainian].
9. Lühn K., Wild M.K.: Human deficiencies of fucosylation and sialylation affecting selectin ligands. Semin Immunopathol, 34(3), 2012.
10. Nolan C.J. Damm P., Prentki M.: Type 2 diabetes across generations: from pathophysiology to prevention and management. Lancet 378, 2011.
11. Rayner C.K. et al.: Effect of acute hyperglycemia on esophageal motility and lower esophageal sphincter pressure in humans. Gastroenterology, 103(3): 1992.
12. Sumbajev V.V., Jasinskaja I.M.: Vliyanije DDT na aktivnost sintazy oksida azota v pecheni, legkih i golovnom mozge. Sovr probl toksikologii, 3, 2000..
13. Zaiachkivs'ka O.S. et al.: Modelni doslidjennya vplyvy oksydy azotu, prostanojdiv ta glukokonugativ epitelialnoho barjery stravohodu v procesi esofagoprotekcij. Lik Sprava 7: 35-41, 2006.
14. Zayachkivska O. et al. Effects of nitrosative stress and reactive oxygen-scavenging systems in esophageal physiopathy under streptozotocin-induced experimental hyperglycemia. J Physiol Pharmacol 59 (2), 2008.
15. Zayachkivska O. et al.: Мodification of glycoconjugates signaling pathway during esophageal barrier injury induced by experimental hypergastrinemia. Annales Universitatis Mariae Curie-Skłodowska XXII, 3 (8), 2009.

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