MFG-E8 inhibits Aβ-induced microglial production of cathelicidin-related antimicrobial peptide: A suitable target against Alzheimer's disease.

Abstract:

:Neuroinflammation plays a pivotal role in the incidence and progression of Alzheimer's disease (AD). Cathelicidin-related antimicrobial peptide (CRAMP) is critically involved in the innate neuronal responses of chronic neuroinflammation in AD and thus plays a key role in the disease. Here, we show that Aβ42 induced microglial production of CRAMP, which was effectively inhibited by milk-fat globule-epidermal growth factor 8 (MFG-E8). Production of CRAMP was associated with activation of ERK1/2, p38 and phospho-P65-NF-kB upregulation. Additionally, the phosphorylation of these signaling proteins was also reversed by MFG-E8. Pre-incubation with signaling inhibitors confirmed that MFG-E8 has a regulatory role on CRAMP through MAPK and NF-kB signaling pathways. MFG-E8 treatment may thus be a potential pharmacotherapy for chronic inflammation in AD.

journal_name

Cell Immunol

journal_title

Cellular immunology

authors

Xu X,Cai X,Zhu Y,He W,Wu Q,Shi X,Fang Y,Pei Z

doi

10.1016/j.cellimm.2018.05.008

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

59-66

eissn

0008-8749

issn

1090-2163

pii

S0008-8749(18)30219-3

journal_volume

331

pub_type

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