TY - JOUR
T1 - Maclurin suppresses migration and invasion of human non-small-cell lung cancer cells via anti-oxidative activity and inhibition of the Src/FAK–ERK–β-catenin pathway
AU - Ku, Min Jung
AU - Kim, Ji Hyun
AU - Lee, Jongsung
AU - Cho, Jae Youl
AU - Chun, Taehoon
AU - Lee, Sang Yeol
N1 - Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology of Korea (2010-0023292) and the Gachon University research fund of 2014 (GCU-2014-0197).
Publisher Copyright:
© 2015, Springer Science+Business Media New York.
PY - 2015/2/10
Y1 - 2015/2/10
N2 - Recent reports indicated that ROS is closely related with cancer metastasis. ROS targets major signaling molecules which are known to be involved in migration and invasion of cancer cells. Here we report that maclurin, a major phenolic component of ethanol extracted mulberry twigs, exerts anti-metastatic effect in A549 human non-small-cell lung cancer cells. Maclurin suppresses intracellular ROS level in A549 human non-small-cell lung cancer cells. Also, maclurin down-regulates Src and ERK, which are well known to be regulated with redox state. Suppressed Src/FAK and ERK signalings activate GSK3-β, thus inhibiting nuclear accumulation of β-catenin. As a result, transcriptional expressions of two major gelatinases (MMP-2 and MMP-9) were significantly down-regulated. Consequently, migration and invasion of A549 human non-small-cell lung cancer cells were attenuated. Anti-metastatic effect of maclurin on A549 human non-small-cell lung cancer cells were diminished by the treatment of hydrogen peroxide, thus further implicating that the effect of maclurin may be strongly related with its anti-oxidative activity. Thus, our data indicate that the anti-metastatic effect of maclurin is exerted by anti-oxidative activity and inhibition of Src/FAK–ERK–β-catenin signaling pathway.
AB - Recent reports indicated that ROS is closely related with cancer metastasis. ROS targets major signaling molecules which are known to be involved in migration and invasion of cancer cells. Here we report that maclurin, a major phenolic component of ethanol extracted mulberry twigs, exerts anti-metastatic effect in A549 human non-small-cell lung cancer cells. Maclurin suppresses intracellular ROS level in A549 human non-small-cell lung cancer cells. Also, maclurin down-regulates Src and ERK, which are well known to be regulated with redox state. Suppressed Src/FAK and ERK signalings activate GSK3-β, thus inhibiting nuclear accumulation of β-catenin. As a result, transcriptional expressions of two major gelatinases (MMP-2 and MMP-9) were significantly down-regulated. Consequently, migration and invasion of A549 human non-small-cell lung cancer cells were attenuated. Anti-metastatic effect of maclurin on A549 human non-small-cell lung cancer cells were diminished by the treatment of hydrogen peroxide, thus further implicating that the effect of maclurin may be strongly related with its anti-oxidative activity. Thus, our data indicate that the anti-metastatic effect of maclurin is exerted by anti-oxidative activity and inhibition of Src/FAK–ERK–β-catenin signaling pathway.
KW - Maclurin
KW - Matrix metalloproteinases
KW - Metastasis
KW - Non-small-cell lung cancer
KW - Reactive oxygen species
UR - http://www.scopus.com/inward/record.url?scp=84925536270&partnerID=8YFLogxK
U2 - 10.1007/s11010-015-2331-4
DO - 10.1007/s11010-015-2331-4
M3 - Article
C2 - 25630491
AN - SCOPUS:84925536270
SN - 0300-8177
VL - 402
SP - 243
EP - 252
JO - Molecular and Cellular Biochemistry
JF - Molecular and Cellular Biochemistry
IS - 1-2
ER -