Abstract:
:Vanadium-binding protein (VBP) was separated from the blood of the fresh sea urchin Halocynthia roretzi through (NH4)2SO4 precipitation, Diethylaminoethyl Sepharose fast-flow ion-exchange chromatography, and Sephacryl S-200 high-resolution size-exclusion chromatography. The protein size and purification yield of VBP were 27 kDa and 5.5%, respectively. VBP exerted anti-inflammatory effects in lipopolysaccharide-stimulated RAW264.7 macrophages by downregulating iNOS expression and inhibiting nitric oxide production. VBP also suppressed the expression of pro-inflammatory mediators such as COX-2, IL-1β, IL-6, and TNF-α. The anti-inflammatory activity of VBP was further demonstrated in the NF-κB and MAPK inflammation pathways, in which VBP inhibited phosphorylation of signaling proteins such as p65, JNK, ERK1/2, and p38. Therefore, VBP from H. roretzi has anti-inflammatory effects and could potentially be used to treat inflammation.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Kim AT,Kim DOdoi
10.1016/j.ijbiomac.2019.04.106subject
Has Abstractpub_date
2019-07-15 00:00:00pages
732-738eissn
0141-8130issn
1879-0003pii
S0141-8130(19)30322-8journal_volume
133pub_type
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