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Small intestinal development in suckling rats after enteral obestatin administration.

A new interesting article has been published in PLoS One. 2018 Oct 19;13(10):e0205994. doi: 10.1371/journal.pone.0205994. eCollection 2018. and titled:

Small intestinal development in suckling rats after enteral obestatin administration.

Authors of this article are:

Słupecka-Ziemilska M, Grzesiak P, Jank M, Majewska A, Rak A, Kowalczyk P, Kato I, Kuwahara A, Woliński J.

A summary of the article is shown below:

This study investigated the effect of enteral administration of obestatin on the development of small intestine, as well as oxidative stress markers and trancriptomic profile of gastrointestinal genes. Suckling rats were assigned to 3 groups treated with: C-saline solution; OL-obestatin (125 nmol/kg BW); OH-obestatin (250 nmol/kg BW) administered twice daily, from the 14th to the 21st day of life. Enteral administration of obestatin in both studied doses had no effect neither on the body weight of animals nor the BMI calculated in the day of euthanasia. Compared to the control group (C), treatment with obestatin resulted in significant changes in the histometry of the small intestinal wall as well as intestinal epithelial cell remodeling. The observed changes and their possible implications for intestinal development were dependent on the dosage of peptide. The enteral administration of high dose (OH) of obestatin significantly decreased its expression in the stomach and increased markers of oxidative stress. The gene profile revealed MAPK3 (mitogen-activated protein kinase-3) as the key regulator gene for obestatin action in the gastrointestinal track. In conclusion, we have showed that enteral administration of obestatin influences the gut mucosa remodeling. It is also suggested that the administration of high dose (OH) has inhibitory effect on the intestinal maturation of suckling rats.

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