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Orally Administered Enoxaparin Ameliorates Acute Colitis by Reducing Macrophage-Associated Inflammatory Responses
Citation
Lean, QY and Eri, RD and Randall-Demllo, S and Sohal, SS and Stewart, N and Peterson, GM and Guven, N and Patel, RP, Orally Administered Enoxaparin Ameliorates Acute Colitis by Reducing Macrophage-Associated Inflammatory Responses, PLoS One, 10, (7) Article e0134259. ISSN 1932-6203 (2015) [Refereed Article]
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Copyright Statement
© 2015 Lean et al. Licenced under Creative Commons Attribution 4.0 International (CC BY 4.0) http://creativecommons.org/licenses/by/4.0/
DOI: doi:10.1371/journal.pone.0134259
Abstract
Inflammatory bowel diseases, such as ulcerative colitis, cause significant morbidity and
decreased quality of life. The currently available treatments are not effective in all patients,
can be expensive and have potential to cause severe side effects. This prompts the need for
new treatment modalities. Enoxaparin, a widely used antithrombotic agent, is reported to
possess anti-inflammatory properties and therefore we evaluated its therapeutic potential in
a mouse model of colitis. Acute colitis was induced in male C57BL/6 mice by administration
of dextran sulfate sodium (DSS). Mice were treated once daily with enoxaparin via oral or
intraperitoneal administration and monitored for colitis activities. On termination (day 8),
colons were collected for macroscopic evaluation and cytokine measurement, and processed
for histology and immunohistochemistry. Oral but not intraperitoneal administration
of enoxaparin significantly ameliorated DSS-induced colitis. Oral enoxaparin-treated mice
retained their body weight and displayed less diarrhea and fecal blood loss compared to the
untreated colitis group. Colon weight in enoxaparin-treated mice was significantly lower, indicating
reduced inflammation and edema. Histological examination of untreated colitis mice
showed a massive loss of crypt architecture and goblet cells, infiltration of immune cells and
the presence of edema, while all aspects of this pathology were alleviated by oral enoxaparin.
Reduced number of macrophages in the colon of oral enoxaparin-treated mice was
accompanied by decreased levels of pro-inflammatory cytokines. Oral enoxaparin significantly
reduces the inflammatory pathology associated with DSS-induced colitis in mice and
could therefore represent a novel therapeutic option for the management of ulcerative colitis.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | heparin, colitis, HPLC |
| Research Division: | Biomedical and Clinical Sciences |
| Research Group: | Pharmacology and pharmaceutical sciences |
| Research Field: | Pharmaceutical sciences |
| Objective Division: | Health |
| Objective Group: | Public health (excl. specific population health) |
| Objective Field: | Public health (excl. specific population health) not elsewhere classified |
| UTAS Author: | Lean, QY (Miss Qi Lean) |
| UTAS Author: | Eri, RD (Associate Professor Raj Eri) |
| UTAS Author: | Randall-Demllo, S (Mr Sarron Randall-Demllo) |
| UTAS Author: | Sohal, SS (Dr Sukhwinder Sohal) |
| UTAS Author: | Stewart, N (Dr Niall Stewart) |
| UTAS Author: | Peterson, GM (Professor Gregory Peterson) |
| UTAS Author: | Guven, N (Dr Nuri Guven) |
| UTAS Author: | Patel, RP (Dr Rahul Patel) |
| ID Code: | 102102 |
| Year Published: | 2015 |
| Web of Science® Times Cited: | 16 |
| Deposited By: | Pharmacy |
| Deposited On: | 2015-07-29 |
| Last Modified: | 2017-12-14 |
| Downloads: | 322 View Download Statistics |
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