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iScience. 2019 May 14;16:12-21. doi: 10.1016/j.isci.2019.05.012. [Epub ahead of print]

Neuroimmune Responses Mediate Depression-Related Behaviors following Acute Colitis.

Author information

1
Department of Physiology and Pharmacology, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada. Electronic address: vgadotti@ucalgary.ca.
2
Department of Physiology and Pharmacology, Snyder Institute for Chronic Disease, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
3
Department of Physiology and Pharmacology, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
4
Department of Physiology and Pharmacology, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Snyder Institute for Chronic Disease, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
5
Department of Physiology and Pharmacology, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada. Electronic address: zamponi@ucalgary.ca.

Abstract

Many patients with visceral inflammation develop pain and psychiatric comorbidities such as major depressive disorder, worsening the quality of life and increasing the risk of suicide. Here we show that neuroimmune activation in mice with dextran sodium sulfate-induced colitis is accompanied by the development of pain and depressive behaviors. Importantly, treatment with the flavonoid luteolin prevented both neuroimmune responses and behavioral abnormalities, suggesting a new potential therapeutic approach for patients with inflammatory bowel diseases.

KEYWORDS:

Behavioral Neuroscience; Cellular Neuroscience; Immunity; Pathophysiology

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