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. 2020 Sep 7;21(18):6541. doi: 10.3390/ijms21186541

Table 1.

The Effects of Morusin on Subtypes of Cancer.

Organ Cell Type Effects on Cellular Processes System Reference
Liver LO2
HepG2 Hep3B
Apoptosis induction & angiogenesis inhibition
  • increases the expression of caspase-3 and the Bax/Bcl-2 expression ratio

  • inhibits tube formation of HUVECs in vitro and suppresses constitutive as well as IL-6-induced STAT3 phosphorylation

in vitro
in vivo
[47]
Liver SK-Hep1 Anti-tumor progression through suppressing STAT3 and NF-kB
  • suppresses cell-matrix adhesion, cell motility and cell invasion at non-cytotoxic concentration

  • increases the expression of E-cadherin and decreases the expression of vimentin and α2-, α6-, β1-integrin

in vitro
in vivo
[34]
Lung A549 Apoptosis induction & cell migration suppression
  • induces apoptosis by loss of mitochondrial function and increases the antioxidant activities by up-regulation of SOD

  • inhibits the invasion and migration by down-regulation of COX2 and VEGF at the transcription level

in vitro [52]
Lung H1299
H460
H292
Apoptosis induction by suppression of EGFR/STAT3 activation
  • inhibits phosphorylation of EGFR and STAT3 and shows potential to treat advanced NSCLC with acquired resistance to EGFR tyrosine kinase inhibitor

  • The docking analysis: morusin directly binds to the tyrosine kinase domain of EGFR

in vitro [14]
Breast MCF-10A
4T1
MCF-7
Suppression of cancer cell growth through C/EBPβ- and PPARγ-mediated lipoapoptosis
  • inhibits human breast cancer cell proliferation and increases the expression of C/EBPβ, PPARγ, adipsin D and perilipin

  • induces adipogenic differentiation, apoptosis and lipoapoptosis of cancer cells

in vitro
in vivo
[65]
Breast MCF-10A MCF-7
MDA-MB231
Apoptosis induction
  • The apoptosis marker proteins, cleaved caspase-3 and caspase-9 were consistently upregulated

  • suppresses the expression of the anti-apoptotic Survivin and induces pro-apoptotic Bax expression

in vitro [51]
Brain U87
GI-1
HCN-1A
Morusin-loaded nanoparticles for targeted glioblastoma therapy
  • Morusin was loaded in chlorotoxin-modified PLGA nanoparticles which target chloride channels and MMP-2 in glioma tumor cells

  • Morusin-loaded nanoparticles inhibit growth of U87 and GI-1 glioma cells by ROS generation, enhanced caspase activity, cytoskeletal destabilization and inhibition of MMP activity

in vitro [89]
Brain WJ1
WJ2
Inhibition of glioblastoma stem cell growth through stemness attenuation, adipocyte transdifferentiation
  • increases adipogenic markers, such as PPARγ, adipsin D, aP2 and perilipin and induces apoptosis

  • reduces stemness of GSCs by inhibition of the expression of stemness markers (CD133, nestin, Sox2 and Oct4)

in vitro
in vivo
[39]
Brain U251MG
LN18
U87MG
TRAIL sensitization by regulating EGFR and DR5 in human glioblastoma cells
  • Combinatorial treatment of TRAIL with morusin synergistically decreased cell viability and increased apoptosis

  • induces the expression of DR5 and decreases anti-apoptotic survivin and XIAP by reduced expression of EGFR and pSTAT3

in vitro [38]
Skin JB6 P+ Blocking TPA-induced malignant transformation of mouse epidermal cells
  • reduces the TPA-induced ROS production, AP1 and NF-κB in JB6 P+ cells at non-cytotoxic concentration

  • decreases TPA-upregulation of COX-2, N-cadherin and Vimentin

in vitro [45]
Stomach MKN45
SGC7901
Inhibition of cell proliferation and tumor growth by down-regulating c-Myc
  • suppresses tumor growth and down-regulates CDKs and cyclins, such as CDK2, CDK4, cyclin D1 and cyclin E1.

  • reduces the expression of c-Myc and c-Myc protein binding at the E-Box regions

in vitro
in vivo
[90]
Pancreas AsPC-1
BxPC-3
MIAPaCa-2
PANC-1
Apoptosis induction and inhibition of invasion by blockage of STAT3 signaling pathway
  • inhibits STAT3 activation and suppresses activation of upstream JAK1, JAK2 and c-Src kinases.

  • arrest cell cycle at G1/G0 or G2/M phase and causes induction of apoptosis and loss of mitochondrial membrane potential

in vitro [48]
Bone U2OS
HOS
Inhibition of human osteosarcoma via PI3K-AKT signaling pathway
  • promotes apoptosis and reduces the migration and invasion of osteosarcoma

  • inhibits the PI3K/AKT signaling pathway and induces the expression of caspase-3 and caspase-8

in vitro [55]
Ovary A2780
SKOV-3
HO-8910
Paraptosis-like cell death induction through mitochondrial calcium overload and dysfunction
  • causes mitochondrial Ca2+ influx and induces paraptosis-like cell death via mitochondrial Ca2+ overload

  • increases ROS and decreases mitochondrial membrane potential and inhibits the growth of SKOV-3 xenograft in nude mice

in vitro
in vivo
[37]
Prostate DU145
PC-3
LNCaP
RWPE-1
Cell death induction through inactivating STAT3 signaling
  • reduces STAT3 activity by suppressing kinase activities of JAK2 and Src and increases SHP1 phosphatase activity

  • down-regulates the expression of STAT3 target genes encoding Bcl-xL, Bcl-2, Survivin, c-Myc and cyclin D1

in vitro [36]
Cervix HeLa Apoptosis induction & inhibition of human cervical cancer stem cell growth and migration through attenuation of NF-κB activity
  • decreases the proliferation, tumor sphere formation and migration of human cervical CSCs and increases apoptosis

  • decreases the expression levels of NF-κB/p65 and Bcl-2, while increases expression levels of Bax and caspase-3

in vitro [40]
Kidney 769-P
786-O
OSRC-2
Anti-cancer activity by disturbing MAPK signaling pathways
  • inhibits cell growth and migration, induces cell apoptosis and induces the cell cycle arrest in the G1 phase

  • up-regulates P-p38 and P-JNK levels, while the down-regulates P-ERK level

in vitro
in vivo
[54]
Liver
Spleen
H22 Inhibition of transplanted H22 hepatocarcinoma
  • inhibits the tumor growth of transplanted H22 hepatocarcinoma in mice by reducing the expression of NF-κB

  • increases the expression of p53, Survivin, cyclin B1 and caspase-3

in vitro
in vivo
[46]
Colon
Liver
Breast
HT-29
Hep3B
MCF-7
Apoptosis induction & suppression of NF-κB activity
  • inhibits the phosphorylation of IKK-α, IKK-β and IκB-α and suppresses NF-κB nuclear localization and its DNA binding

  • causes activation of caspase-8, change of mitochondrial membrane potential, release of Cytochrome c and Smac/DIABLO and activation of caspase-9 and caspase-3

in vitro [35]
Cervix
Breast
Bone
HeLa
U2OS
ZR75B
Attenuation of RACK1-mediated apoptotic cell death by stress granule (SG) formation
  • induces activation of PKR and subsequent eIF2α phosphorylation for SG formation

  • sequestration of RACK1 within the SGs contributes to protection of cells from cell death

in vitro [74]
Cervix
Breast
Bone
Colon
HeLa
MCF-7
U2OS HCT116
Autophagy induction inhibits cell death
  • induces AMPK activation and inhibits mTOR activity, resulting in LC3-II accumulation and ULK1 activation for autophagy

  • autophagy induction is an impediment for morusin-induced apoptosis

in vitro [68]