Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: Jan. 24, 2019
Abstract
Activation
of
endoplasmic
reticulum
(ER)
stress/the
unfolded
protein
response
(UPR)
has
been
linked
to
cancer,
but
the
molecular
mechanisms
are
poorly
understood
and
there
is
a
paucity
reagents
translate
this
for
cancer
therapy.
Here,
we
report
that
an
IRE1α
RNase-specific
inhibitor,
MKC8866,
strongly
inhibits
prostate
(PCa)
tumor
growth
as
monotherapy
in
multiple
preclinical
models
mice
shows
synergistic
antitumor
effects
with
current
PCa
drugs.
Interestingly,
global
transcriptomic
analysis
reveal
IRE1α-XBP1s
pathway
activity
required
c-MYC
signaling,
one
most
highly
activated
oncogenic
pathways
PCa.
XBP1s
necessary
optimal
mRNA
expression,
establishing,
first
time,
direct
link
between
UPR
oncogene
activation.
In
addition,
XBP1-specific
gene
expression
signature
associated
prognosis.
Our
data
establish
signaling
central
indicate
its
targeting
may
offer
novel
treatment
strategies.
Nucleic Acids Research,
Journal Year:
2019,
Volume and Issue:
unknown
Published: Oct. 12, 2019
Knowledge
of
therapeutic
targets
and
early
drug
candidates
is
useful
for
improved
discovery.
In
particular,
information
about
target
regulators
the
patented
agents
facilitates
research
regarding
druggability,
systems
pharmacology,
new
trends,
molecular
landscapes,
development
discovery
tools.
To
complement
other
databases,
we
constructed
Therapeutic
Target
Database
(TTD)
with
expanded
(i)
target-regulating
microRNAs
transcription
factors,
(ii)
target-interacting
proteins,
(iii)
their
(structures
experimental
activity
values
if
available),
which
can
be
conveniently
retrieved
further
enriched
regulatory
mechanisms
or
biochemical
classes.
We
also
updated
TTD
recently
released
International
Classification
Diseases
ICD-11
codes
additional
sets
successful,
clinical
trial,
literature-reported
that
emerged
since
last
update.
accessible
at
http://bidd.nus.edu.sg/group/ttd/ttd.asp.
case
possible
web
connectivity
issues,
two
mirror
sites
are
(http://db.idrblab.org/ttd/
http://db.idrblab.net/ttd/).
Signal Transduction and Targeted Therapy,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: Nov. 15, 2021
Abstract
Cancer
is
the
leading
cause
of
death
worldwide,
and
its
treatment
outcomes
have
been
dramatically
revolutionised
by
targeted
therapies.
As
most
frequently
mutated
oncogene,
Kirsten
rat
sarcoma
viral
oncogene
homologue
(KRAS)
has
attracted
substantial
attention.
The
understanding
KRAS
constantly
being
updated
numerous
studies
on
in
initiation
progression
cancer
diseases.
However,
deemed
a
challenging
therapeutic
target,
even
“undruggable”,
after
drug-targeting
efforts
over
past
four
decades.
Recently,
there
surprising
advances
directly
drugs
for
KRAS,
especially
(G12C)
inhibitors,
such
as
AMG510
(sotorasib)
MRTX849
(adagrasib),
which
obtained
encouraging
results
clinical
trials.
Excitingly,
was
first
to
be
approved
use
this
year.
This
review
summarises
recent
fundamental
aspects
relationship
between
mutations
tumour
immune
evasion,
new
progress
targeting
particularly
(G12C).
Moreover,
possible
mechanisms
resistance
inhibitors
combination
therapies
are
summarised,
with
view
providing
best
regimen
individualised
achieving
truly
precise
treatment.
Signal Transduction and Targeted Therapy,
Journal Year:
2020,
Volume and Issue:
5(1)
Published: Feb. 29, 2020
Ubiquitination,
an
important
type
of
protein
posttranslational
modification
(PTM),
plays
a
crucial
role
in
controlling
substrate
degradation
and
subsequently
mediates
the
"quantity"
"quality"
various
proteins,
serving
to
ensure
cell
homeostasis
guarantee
life
activities.
The
regulation
ubiquitination
is
multifaceted
works
not
only
at
transcriptional
levels
(phosphorylation,
acetylation,
methylation,
etc.)
but
also
level
(activators
or
repressors).
When
regulatory
mechanisms
are
aberrant,
altered
biological
processes
may
induce
serious
human
diseases,
especially
types
cancer.
In
tumorigenesis,
involve
tumor
metabolism,
immunological
microenvironment
(TME),
cancer
stem
(CSC)
stemness
so
on.
With
regard
some
key
proteins
such
as
RagA,
mTOR,
PTEN,
AKT,
c-Myc
P53
significantly
regulates
activity
mTORC1,
AMPK
PTEN-AKT
signaling
pathways.
addition,
TLR,
RLR
STING-dependent
pathways
modulates
TME.
Moreover,
core
regulator
triplets
(Nanog,
Oct4
Sox2)
members
Wnt
Hippo-YAP
participates
maintenance
CSC
stemness.
Based
on
components,
including
proteasome,
E3
ligases,
E1,
E2
deubiquitinases
(DUBs),
many
molecular
targeted
drugs
have
been
developed
combat
Among
them,
small
molecule
inhibitors
targeting
bortezomib,
carfilzomib,
oprozomib
ixazomib,
achieved
tangible
success.
MLN7243
MLN4924
(targeting
E1
enzyme),
Leucettamol
A
CC0651
nutlin
MI-219
compounds
G5
F6
DUB
activity)
shown
potential
preclinical
treatment.
this
review,
we
summarize
latest
progress
understanding
substrates
for
their
special
functions
metabolism
regulation,
TME
modulation
maintenance.
therapeutic
targets
reviewed,
effects
drugs.
Science,
Journal Year:
2018,
Volume and Issue:
362(6414)
Published: Nov. 1, 2018
Thalidomide-targeted
degradation
Thalidomide
and
its
analogs
improve
the
survival
of
patients
with
multiple
myeloma
other
blood
cancers.
Previous
work
showed
that
drugs
bind
to
E3
ubiquitin
ligase
Cereblon,
which
then
targets
for
two
specific
zinc
finger
(ZF)
transcription
factors
a
role
in
cancer
development.
Sievers
et
al.
found
more
ZF
proteins
than
anticipated
are
destabilized
by
thalidomide
analogs.
A
proof-of-concept
experiment
revealed
chemical
modifications
can
lead
selective
proteins.
The
detailed
information
provided
structural,
biochemical,
computational
analyses
could
guide
development
target
implicated
human
disease.
Science
,
this
issue
p.
eaat0572
Molecular Cancer,
Journal Year:
2021,
Volume and Issue:
20(1)
Published: Jan. 4, 2021
c-Myc
is
a
transcription
factor
that
constitutively
and
aberrantly
expressed
in
over
70%
of
human
cancers.
Its
direct
inhibition
has
been
shown
to
trigger
rapid
tumor
regression
mice
with
only
mild
fully
reversible
side
effects,
suggesting
this
be
viable
therapeutic
strategy.
Here
we
reassess
the
challenges
directly
targeting
c-Myc,
evaluate
lessons
learned
from
current
inhibitors,
explore
how
future
strategies
such
as
miniaturisation
Omomyc
E-box
binding
could
facilitate
translation
inhibitors
into
clinic.
Bioconjugate Chemistry,
Journal Year:
2018,
Volume and Issue:
30(2), P. 273 - 283
Published: Dec. 10, 2018
Intracellular
delivery
of
biological
agents
such
as
peptides,
proteins,
and
nucleic
acids
generally
rely
on
the
endocytic
pathway
major
uptake
mechanism,
resulting
in
their
entrapment
inside
endosome
lysosome.
The
recent
discovery
cell-penetrating
molecules
exceptionally
high
endosomal
escape
cytosolic
efficiencies
elucidation
mechanism
action
represent
breakthroughs
this
field.
In
Topical
Review,
we
provide
an
overview
progress
understanding
enhancing
process
new
opportunities
opened
up
by
these
findings.