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2017 ; 7
(1
): 14617
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EFHD2 promotes epithelial-to-mesenchymal transition and correlates with
postsurgical recurrence of stage I lung adenocarcinoma
#MMPMID29097801
Fan CC
; Cheng WC
; Huang YC
; Sher YP
; Liou NJ
; Chien YC
; Lin PS
; Lin PS
; Chen CH
; Chang WC
Sci Rep
2017[Nov]; 7
(1
): 14617
PMID29097801
show ga
Surgery is the only curative treatment for early-stage non-small cell lung cancer
(NSCLC) patients. However, approximately one-third of these patients develop
recurrence, which remains the main cause of mortality in the postsurgical
treatment of NSCLC. Many molecular markers have been proposed to predict
recurrence of early-stage disease, but no marker has demonstrated sufficient
reliability for clinical application. In the present study, the novel protein
EF-hand domain-containing protein D2 (EFHD2) was identified as expressed in
highly metastatic tumor cells. EFHD2 increased the formation of protrusive
invadopodia structures and cell migration and invasion abilities and promoted the
epithelial-to-mesenchymal transition (EMT) character of lung adenocarcinoma
cells. We demonstrated that the mechanism of EFHD2 in enhancing EMT occurs partly
through inhibition of caveolin-1 (CAV1) for cancer progression. The expression of
EFHD2 was significantly correlated with postsurgical recurrence of patients with
stage I lung adenocarcinoma in the Kaplan-Meier-plotter cancer database search
and our retrospective cohort study (HR, 6.14; 95% CI, 2.40-15.74; P?0.001).
Multivariate Cox regression analysis revealed that EFHD2 expression was an
independent clinical predictor for this disease. We conclude that EFHD2
expression is associated with increased metastasis and EMT and could serve as an
independent marker to predict postsurgical recurrence of patients with stage I
lung adenocarcinoma.
|Adenocarcinoma of Lung/*metabolism/pathology/surgery
[MESH]