Frontiers in Cell and Developmental Biology,
Journal Year:
2022,
Volume and Issue:
10
Published: Sept. 13, 2022
Background:
Lung
adenocarcinoma
(LUAD)
is
the
most
common
type
of
lung
cancer
with
a
complex
tumor
microenvironment.
Neddylation,
as
post-translational
modification,
plays
vital
role
in
development
LUAD.
To
date,
no
study
has
explored
potential
neddylation-associated
genes
for
LUAD
classification,
prognosis
prediction,
and
treatment
response
evaluation.
Methods:
Seventy-six
prognostic
were
identified
by
Univariate
Cox
analysis.
Patients
classified
into
two
patterns
based
on
unsupervised
consensus
clustering
In
addition,
10-gene
signature
was
constructed
using
LASSO-Cox
multivariate
stepwise
regression
approach.
Results:
Substantial
differences
observed
between
terms
prognosis.
Compared
neddylation
cluster2,
cluster1
exhibited
low
levels
immune
infiltration
that
promote
progression.
Additionally,
neddylation-related
risk
score
correlated
clinical
parameters
it
can
be
good
predictor
patient
outcomes,
gene
mutation
levels,
chemotherapeutic
responses.
Conclusion:
Neddylation
distinguish
microenvironment
patients
Prognostic
signatures
predict
outcomes
guide
personalized
treatment.
Cells,
Journal Year:
2023,
Volume and Issue:
13(1), P. 29 - 29
Published: Dec. 22, 2023
Ubiquitination
is
a
reversible
post-translational
modification
based
on
the
chemical
addition
of
ubiquitin
to
proteins
with
regulatory
effects
various
signaling
pathways.
can
alter
molecular
functions
tagged
substrates
respect
protein
turnover,
biological
activity,
subcellular
localization
or
protein–protein
interaction.
As
result,
wide
variety
cellular
processes
are
under
ubiquitination-mediated
control,
contributing
maintenance
homeostasis.
It
follows
that
dysregulation
ubiquitination
reactions
plays
relevant
role
in
pathogenic
states
human
diseases
such
as
neurodegenerative
diseases,
immune-related
pathologies
and
cancer.
In
recent
decades,
enzymes
ubiquitin–proteasome
system
(UPS),
including
E3
ligases
deubiquitinases
(DUBs),
have
attracted
attention
novel
druggable
targets
for
development
new
anticancer
therapeutic
approaches.
This
perspective
article
summarizes
peculiarities
shared
by
involved
reaction
which,
when
deregulated,
lead
tumorigenesis.
Accordingly,
an
overview
main
pharmacological
interventions
targeting
UPS
clinical
use
still
trials
provided,
also
highlighting
limitations
efficacy
these
Therefore,
attempts
circumvent
drug
resistance
side
well
UPS-related
emerging
technologies
therapeutics
discussed.
Biomarker Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Jan. 8, 2024
Abstract
Neddylation
is
a
post-translational
modification
process,
similar
to
ubiquitination,
that
controls
several
biological
processes.
Notably,
it
often
aberrantly
activated
in
neoplasms
and
plays
critical
role
the
intricate
dynamics
of
tumor
microenvironment
(TME).
This
regulatory
influence
neddylation
permeates
extensively
profoundly
within
TME,
affecting
behavior
cells,
immune
angiogenesis,
extracellular
matrix.
Usually,
promotes
progression
towards
increased
malignancy.
In
this
review,
we
highlight
latest
understanding
molecular
mechanisms
target
modulate
TME
by
various
signaling
pathways.
There
emerging
evidence
targeted
disruption
specifically
inhibition
cullin-RING
ligases
(CRLs)
functionality,
presents
promising
avenue
for
therapy.
MLN4924,
small-molecule
inhibitor
pathway,
precisely
targets
neural
precursor
cell-expressed
developmentally
downregulated
protein
8
activating
enzyme
(NAE).
recent
years,
significant
advancements
have
been
made
field
therapy,
particularly
integration
MLN4924
with
chemotherapy
or
combined
approach
has
demonstrated
notable
success
treatment
variety
hematological
solid
tumors.
Here,
investigated
inhibitory
effects
on
summarized
current
therapeutic
outcomes
against
conclusion,
review
provides
comprehensive,
up-to-date,
thorough
overview
modifications,
offers
insight
into
importance
cellular
process
tumorigenesis.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
173, P. 116323 - 116323
Published: Feb. 23, 2024
Deubiquitination,
a
post-translational
modification
regulated
by
deubiquitinases,
is
essential
for
cancer
initiation
and
progression.
Ubiquitin-specific
proteases
(USPs)
are
elements
of
the
deubiquitinase
family,
overexpressed
in
gastric
(GC).
Through
regulation
several
signaling
pathways,
such
as
Wnt/β-Catenin
nuclear
factor-κB
signaling,
promotion
expression
deubiquitination-
stabilization-associated
proteins,
USPs
promote
proliferation,
metastasis,
invasion,
epithelial-mesenchymal
transition
GC.
In
addition,
closely
related
to
clinicopathological
features,
patient
prognosis,
chemotherapy
resistance.
therefore
could
be
used
prognostic
biomarkers.
USP
targeting
small
molecule
inhibitors
have
demonstrated
strong
anticancer
activity.
However,
they
not
yet
been
tested
clinic.
This
article
provides
an
overview
latest
fundamental
research
on
GC,
aiming
enhance
understanding
how
contribute
GC
progression,
identifying
possible
targets
treatment
improve
survival.
Molecular Cancer Research,
Journal Year:
2024,
Volume and Issue:
22(6), P. 524 - 537
Published: March 5, 2024
Aberrant
long
noncoding
RNAs
just
proximal
to
Xist
(lncRNA
JPX)
expression
levels
have
been
detected
in
multiple
tumors.
However,
whether
JPX
is
involved
melanoma
progression
remains
unclear.
Our
study
showed
that
significantly
increased
tissues
and
cell
lines.
To
clarify
the
effect
of
on
cutaneous
melanoma,
we
successfully
generated
JPX-overexpressing
or
JPX-knockdown
A375
A2058
cells.
CCK-8,
colony
formation
EdU,
Transwell,
cell-cycle
phase
assays
were
performed,
subcutaneously
implanted
tumor
models
used
determine
function
melanoma.
The
results
knockdown
reduced
proliferation
migration
malignant
cells
both
vitro
vivo.
further
elucidate
molecular
mechanism
JPX-induced
deterioration,
performed
RNA
pull-down,
immunoprecipitation,
coimmunoprecipitation,
Western
blot,
RNA-sequence
analyses.
can
directly
interact
with
YTHDF2
impede
protection
from
ubiquitin-specific
protease
10
(USP10),
which
promotes
its
deubiquitination.
Thus,
decreases
protein
stability
degradation
YTHDF2,
thereby
stabilizing
BMP2
mRNA
activating
AKT
phosphorylation.
Overall,
our
revealed
a
novel
ubiquitination,
suggesting
possibility
blocking
JPX/USP10/YTHDF2/BMP2
axis
as
prospective
therapeutic
approach
for
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: April 2, 2024
Abstract
Background
The
protein
annexin
A6
(AnxA6)
is
involved
in
numerous
membrane-related
biological
processes
including
cell
migration
and
invasion
by
interacting
with
other
proteins.
dysfunction
of
AnxA6,
expression
abundance
change
imbalance
post-translational
modification,
tightly
related
to
multiple
cancers.
Herein
we
focus
on
the
function
AnxA6
SUMOylation
hepatocellular
carcinoma
(HCC)
progression.
Methods
modification
sites
were
identified
LC-MS/MS
amino
acid
site
mutation.
was
assessed
immunohistochemistry
immunofluorescence.
HCC
cells
induced
into
epithelial-mesenchymal
transition
(EMT)-featured
100
ng/mL
12-O-tetradecanoylphorbol-13-acetate
exposure.
ability
evaluated
under
overexpression
transwell
assay.
SUMO1
modified
proteins
enriched
from
total
cellular
immunoprecipitation
anti-SUMO1
antibody,
then
SUMOylated
detected
Western
blot
using
anti-AnxA6
antibody.
nude
mouse
xenograft
orthotopic
hepatoma
models
established
determine
growth
tumorigenicity
vivo.
patient’s
overall
survival
versus
level
Kaplan–Meier
method.
Results
Lys579
a
major
cells,
protects
degradation
via
ubiquitin-proteasome
pathway.
Compared
wild-type
its
SUMO
mutant
K579R
leads
disassociation
binding
RHOU,
subsequently
RHOU-mediated
p-AKT1
ser473
upregulated
facilitate
EMT
progression
HCC.
Moreover,
SENP1
deSUMOylates
negatively
correlated
tissues,
high
gene
ratio
ANXA6/SENP1
indicates
poor
patients.
Conclusions
deSUMOylation
contributes
phenotype,
combination
better
tumor
biomarker
for
diagnosis
grade
malignancy
prognosis.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 18, 2025
The
ubiquitin-proteasome
system
(UPS)
is
essential
for
cellular
homeostasis,
regulating
the
degradation
of
proteins
involved
in
key
processes
such
as
cell
cycle,
apoptosis,
and
DNA
repair.
Dysregulation
UPS
implicated
hepatocellular
carcinoma
(HCC),
contributing
to
tumor
progression
therapeutic
resistance.
cereblon
(CRBN)
E3
ubiquitin
ligase
complex
a
crucial
component
UPS,
particularly
modulating
protein
response
small-molecule
modulators
like
thalidomide.
However,
endogenous
substrates
CRBN
solid
tumors
HCC
remain
poorly
characterized.
Here,
we
identify
MORF4L1,
member
MRG
family
chromatin
remodeling
damage
response,
substrate
CRBN.
Using
proteomic
analysis,
co-immunoprecipitation,
structural
modeling,
demonstrate
that
promotes
MORF4L1
under
physiological
conditions,
which
further
enhanced
by
modulator
CC-885.
Importantly,
upregulated
multiple
cancers,
including
HCC,
suggesting
broader
role
tumorigenesis.
Our
findings
reveal
highlight
potential
targeting
cancer.
Journal of Cellular and Molecular Medicine,
Journal Year:
2025,
Volume and Issue:
29(2)
Published: Jan. 1, 2025
ABSTRACT
Human
L35a
ribosomal
protein
(RPL35A)
has
been
reported
to
confer
higher
drug
resistance
and
viability
triple‐negative
breast
cancer
(TNBC)
cells,
but
the
mechanism
related
its
promotion
of
TNBC
malignant
progression
is
still
unclear.
Here,
we
found
that
silencing
RPL35A
could
inhibit
proliferation
cells
by
suppressing
G1/S
phase
transition.
Furthermore,
SMAD‐specific
E3
ubiquitin
ligase
2
(Smurf2)
was
be
a
potential
upstream
RPL35A.
Smurf2
interact
with
promote
degradation
K63‐linked
polyubiquitination,
thereby
transition
cells.
In
addition,
roles
were
confirmed
in
xenograft
mouse
model.
Finally,
negative
correlation
between
levels
human
tissues.
summary,
inhibits
blocking
cell
cycle
process,
which
associated
regulating