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2018 ; 38
(3
): ä Nephropedia Template TP
gab.com Text
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English Wikipedia
Nobiletin alleviates endometriosis via down-regulating NF-?B activity in
endometriosis mouse model
#MMPMID29871974
Wei X
; Shao X
Biosci Rep
2018[Jun]; 38
(3
): ä PMID29871974
show ga
Nobiletin exhibits protective potential on inflammation and inhibits the
activation of transcription factors nuclear factor-?B (NF-?B). However, its
effects on the progression of endometriosis remain unsettled. The present study
aimed to explore the in vivo alleviation of nobiletin on endometriosis and its
mechanism of action. The mouse model of endometriosis was established and
administered with nobiletin. The ectopic lesion size was measured and the
hotplate test was performed to assess the amelioration of nobiletin on
endometriosis. The expression of proliferation and angiogenesis relevant genes
including proliferating cell nuclear antigen (PCNA), vascular endothelial growth
factor (VEGF), and E-cadherin was measured by immunostaining and the mRNA
expression of proinflammatory mediators including interleukin (IL)-6, IL-1?,
tumor necrosis factor (TNF)-?, matrix metalloproteinases (MMP)-1, and MMP-3 was
measured by RT-PCR. The change of NF-?B activity in endometriotic cells was
evaluated by Western blotting and confirmed by luciferase assay. Administration
of nobiletin significantly reduced lesions size and pain in endometriosis mice.
Nobiletin significantly altered the expression of PCNA, VEGF, and E-cadherin in
ectopic endometrium, as well as the levels of IL-6, IL-1?, TNF-?, MMP-1, and
MMP-3. Nobiletin also showed remarkably impairment on the activation of NF-?B in
promoting endometriotic cells, likely targeting on the activity of I?B kinases
(IKKs). The present study provides the first evidence that nobiletin exerts
protection on endometriosis via inhibition the activation of NF-?B, specifically
on the activity of I?B kinases.