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Revista Española de Enfermedades Digestivas
Print version ISSN 1130-0108
Abstract
WIWANITKIT, V.. Interaction between leptin and leptin receptor in gastric carcinoma: Gene ontology analysis. Rev. esp. enferm. dig. [online]. 2007, vol.99, n.4, pp.201-205. ISSN 1130-0108.
Gastric carcinoma is a rare but important malignancy. The link between leptin, a cytokine that is elevated in obese individuals, and cancer development has been proposed. It is noted that leptin and its receptor may play a positive role in the progression in gastric cancer. However, the exact mechanism resulting form the interaction between leptin and leptin receptor has never been clarified. Here, the author used a new gene ontology technology to predict the molecular function and biological process due to the interaction between leptin and leptin receptor. Comparing to leptin and leptin receptor, the leptin-leptin receptor poses the same function and biological process as leptin receptor. This can confirm that leptin receptor has a significant suppressive effect on the expression of leptin. Loss of hormone activity and disturbance of normal cell signaling pathway of leptin can be seen. Blocking of receptor might be rational therapeutic strategy.
Keywords : Leptin; Receptor; Gastric carcinoma.