Small intestine remodeling in male Goto–Kakizaki rats

Autor: Joice Naiara Bertaglia Pereira, Gilson Masahiro Murata, Fabio Takeo Sato, Aline Rosa Marosti, Carla Roberta de Oliveira Carvalho, Rui Curi
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Physiological Reports, Vol 9, Iss 3, Pp n/a-n/a (2021)
Druh dokumentu: article
ISSN: 2051-817X
DOI: 10.14814/phy2.14755
Popis: Abstract Background Obesity is associated with the development of insulin resistance (IR) and type‐2 diabetes mellitus (T2DM); however, not all patients with T2DM are obese. The Goto–Kakizaki (GK) rat is an experimental model of spontaneous and non‐obese T2DM. There is evidence that the intestine contributes to IR development in GK animals. This information prompted us to investigate small intestine remodeling in this animal model. Methods Four‐month‐old male Wistar (control) and GK rats were utilized for the present study. After removing the small intestine, the duodenum, proximal jejunum, and distal ileum were separated. We then measured villi and muscular and mucosa layer histomorphometry, goblet cells abundance, total myenteric and submucosal neuron populations, and inflammatory marker expression in the small intestinal segments and intestinal transit of both groups of animals. Key Results We found that the GK rats exhibited decreased intestinal area (p
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