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Type: Journal article
Title: Mixed effects of caffeic acid phenethyl ester (CAPE) on joint inflammation, bone loss and gastrointestinal inflammation in a murine model of collagen antibody-induced arthritis
Author: Williams, B.
Tsangari, E.
Stansborough, R.
Marino, V.
Cantley, M.
Dharmapatni, A.
Gibson, R.
Perilli, E.
Crotti, T.
Citation: Inflammopharmacology: experimental and clinical studies, 2017; 25(1):55-68
Publisher: Springer
Issue Date: 2017
ISSN: 0925-4692
Statement of
Bonnie Williams, Eleni Tsangari, Romany Stansborough, Victor Marino, Melissa Cantley, Anak Dharmapatni, Rachel Gibson, Egon Perilli, Tania Crotti
Abstract: Objective: To investigate the effect of caffeic acid phenethyl ester (CAPE) on local and systemic inflammation and bone loss in collagen antibody-induced arthritis (CAIA) mice. Methods: Four groups of mice (n = 8 per group) were allocated; control, CAPE (1 mg/kg), CAIA and CAIA + CAPE (1 mg/kg). Local inflammation and bone loss were evaluated using clinical paw scores, in vivo micro-computed tomography (micro-CT), histological assessment and tartrate-resistant acid phosphatase (TRAP) staining. Serum levels of C-reactive protein (CRP) and C-terminal telopeptide (CTX-1) were measured by ELISA. Jejunum and colon sections were evaluated histopathologically for damage and toxicity. Results: Greater paw scores and percentage change in paw volume were observed in CAIA + CAPE compared to the control groups (p < 0.05). Bone volume over time remained unchanged (p = 0.94) and the number of multinucleated TRAP-positive cells was greatest in CAIA + CAPE mice (p < 0.05). CRP and CTX-1 levels did not differ between groups. CAIA + CAPE mice exhibited lower colon toxicity scores and a reduced percentage of cavitated goblet cells in the colon crypts compared with CAIA mice (p = 0.026 and p = 0.003, respectively). Histopathology in the jejunum was not altered. Conclusion: CAPE did not reduce paw inflammation or bone loss in CAIA mice. CAPE reduced histopathological changes in the colon of CAIA mice.
Keywords: CAIA; CAPE; gastrointestinal tract, bone; Micro-CT; inflammatory arthritis
Rights: © Springer International Publishing 2017
DOI: 10.1007/s10787-016-0306-z
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Pharmacology publications

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