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Article type: Research Article
Authors: Chen, Hongyana; b | Tang, Yinglib | Wang, Hanyanb | Chen, Weibingb | Jiang, Honga; *
Affiliations: [a] Department of Pediatric, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China | [b] Department of Pediatric, People’s Hospital of Rizhao City, Rizhao, Shandong, China
Correspondence: [*] Corresponding author: Hong Jiang, Department of Pediatric, The Affiliated Hospital of Qingdao University, Qingdao 266003, Shandong, China. Tel./Fax: +86 158 6333 8726; E-mail: [email protected].
Abstract: Background/Objective:Curcumin exerts multiple functions including antioxidant and anti-inflammation, and has been shown protective potential on neurological disorders. Maternal or intrauterine infection/inflammation is one of the major factors underlying perinatal brain damage. This study aimed to determine whether maternal administration of curcumin has attenuation on neuroinflammation in fetal brain caused by lipopolysaccharide (LPS) administration. Methods:LPS was used to establish mouse fetal brain injury model, and we investigated the effects of curcumin (40 mg/kg) on the fetal mouse brain by evaluating the morphological change of the neuronal cells and the expression of different pro-inflammatory cytokines and chemokines at protein and mRNA levels in the fetal brains, the maternal serum and amniotic fluid. Results:Our results demonstrated that maternal administration of curcumin has attenuation on neuroinflammation in the fetal brain induced by LPS. Pretreatment of curcumin in the LPS-induced mice effectively reestablished the neuronal cell morphology, attenuated the expression of soluble intercellular adhesion molecule-1, sE-Selectin, macrophage chemoattractant protein-1 and cytokine-induced neutrophil chemoattractant-1 in the maternal serum, decreased the expression of cyclooxygenase-2, interleukin-1 beta and chemokine (C-C motif) ligand 2 in the brain, and suppressed interleukin-6 (IL-6) mRNA transcription in the amniotic fluid. In addition, curcumin suppressed the LPS-induced microglia activation. Conclusions:Our study in animal models indicates that maternal administration of curcumin alleviates neuroinflammation in the fetal brain caused by LPS. Long-term consumption of curcumin might improve the neurological outcomes of premature neonates delivered from dams suffering from infection/ inflammation.
Keywords: Curcumin, premature brain injury, anti-inflammation, lipopolysaccharide, neuroprotection, infection
DOI: 10.3233/RNN-180834
Journal: Restorative Neurology and Neuroscience, vol. 36, no. 5, pp. 583-592, 2018
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