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Type: Journal article
Title: Intestinal homeostasis is restored in mice following a period of intestinal growth induced by orally administered Emu Oil
Author: Mashtoub, S.
Cheah, K.
Lymn, K.
Howarth, G.
Citation: Experimental Biology and Medicine, 2018; 243(11):945-952
Publisher: SAGE
Issue Date: 2018
ISSN: 1535-3702
Statement of
Suzanne Mashtoub, Ker Y Cheah, Kerry A Lymn and Gordon S Howarth
Abstract: Previously, we reported that orally administered Emu Oil (EO) increases mucosal thickness in the small intestine and colon in rodent models of chemotherapy-induced mucositis and colitis. However, it remains unclear whether mucosal thickening (crypt and villus lengthening) represents a process of normal or aberrant growth. We sought to determine if villus height (VH) and crypt depth (CD) measurements returned to normal in EO-treated rats following withdrawal of EO therapy. Dark agouti rats (n = 8/group) were gavaged daily for 10 days with water, olive oil (OO), or EO (0.5 mL or 1 mL). Groups of rats were euthanized on days 10 and 17. Intestinal weights, lengths, VH, and CD were quantified. P < 0.05 was considered significant. On day 10, jejuno–ileum weight was increased by OO (26%) and EO (0.5 mL: 15%; 1 mL: 29%) compared to water controls (P < 0.01), which was normalized by day 17. On days 10 and 17, jejuno-ileum length was greater in OO- (12%) and EO-treated rats (0.5 mL: 8%; 1 mL: 12%; P < 0.05), relative to water controls. On day 10, OO and EO increased ileal VH (OO: 32%; 0.5 EO: 22%; EO: 35%; P < 0.01) and CD (OO: 17%; 0.5 EO: 13%; EO: 22%) compared to water controls. Importantly, however, after withdrawal of all oils, VH and CD measurements returned to normal control values. Moreover, the VH:CD ratio (potential indicator of dysplasia) remained unchanged in all experimental groups on days 10 and 17. The restoration of normal intestinal architecture following cessation of Emu Oil therapy supports its safety for application in intestinal disorders.
Keywords: Emu Oil; intestinal mucosa; dark agouti rats
Rights: © 2018 by the Society for Experimental Biology and Medicine
RMID: 0030094954
DOI: 10.1177/1535370218787457
Appears in Collections:Medicine publications

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