Home CONTACT Neoplasma 2017 Neoplasma Vol.64, No.3, p.421-429, 2017

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Neoplasma Vol.64, No.3, p.421-429, 2017

Title: Enterohormonal disturbances in colorectal cancer patients
Author: A. L. Zygulska, A. Furgala, K. Krzemieniecki, J. Kaszuba-ZwoiNska, P. Thor


Gastrointestinal (GI) hormonal peptides play a role in the development of gastrointestinal malignancies, and their abnormal levels may contribute to dysmotility. The aim of this study was to analyze plasma concentrations of enterohormones (motilin, ghrelin, gastrin and pancreatic polypeptide) and to verify if their abnormal levels may contribute to the severity of dyspeptic symptoms in colorectal cancer patients. The study included 60 patients with colorectal malignancies (22 men and 38 women), among them 30 individuals with colon cancers (group A) and 30 subjects with rectal tumors (group B). Fasting plasma levels of pancreatic polypeptide (PP), motilin, gastrin and ghrelin were determined by means of ELISA. The results were compared with the respective parameters of healthy volunteers. Colon cancer patients presented with significantly lower concentrations of ghrelin than the subjects with rectal tumors and healthy controls (156.8±86.7 vs. 260.2±87.6 vs. 258.4±94.2 pg/ml, p=0.02), as well as with significantly higher levels of PP (265.5±66.3 vs. 154.1±54.6 vs. 148.3±64.3 pg/ml, p=0.005). Also the levels of motilin turned out to be lower in colon cancer patients than in the subjects with rectal malignancies and healthy controls. No statistically significant intergroups differences were found in plasma levels of gastrin (388.2±98.6 vs. 475.6±88.7 vs. 428.2±91.2 pg/ml, p>0.05).

Epigastric bloating was the most frequent dyspeptic symptom, reported by 63.3% and 40% of patients with colon and rectal tumors, respectively. Our findings imply that colon cancer patients may present with abnormal plasma levels of enterohormones significantly more often than individuals with rectal malignancies. Dysmotility observed in colon cancer patients may result not only from anticancer surgery, but also from abnormal release of enterohormones, induced either by neoplastic process or by changes within the autonomic nervous system.

Keywords: motilin, ghrelin, gastrin, pancreatic polypeptide, colorectal cancer
Published online: 12-May-2017
Year: 2017, Volume: 64, Issue: 3 Page From: 421, Page To: 429

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