Science Immunology,
Journal Year:
2023,
Volume and Issue:
8(83)
Published: May 19, 2023
Despite
the
clinical
success
of
immune
checkpoint
blockade
(ICB),
in
certain
cancer
types,
most
patients
with
do
not
respond
well.
Furthermore,
for
whom
ICB
is
initially
successful,
this
often
short-lived
because
development
resistance
to
ICB.
The
mechanisms
underlying
primary
or
secondary
are
incompletely
understood.
Here,
we
identified
preferential
activation
and
enhanced
suppressive
capacity
regulatory
T
cells
(Treg
cells)
αPD-L1
therapy-resistant
solid
tumor-bearing
mice.
Treg
cell
depletion
reversed
concomitant
expansion
effector
cells.
Moreover,
found
that
tumor-infiltrating
human
skin
cancer,
non-small
lung
up-regulated
a
transcriptional
gene
program
after
treatment,
which
correlated
lack
treatment
response.
αPD-1/PD-L1-induced
PD-1+
was
also
seen
peripheral
blood
mesothelioma,
especially
nonresponders.
Together,
these
data
reveal
αPD-1
unleashes
immunosuppressive
role
cells,
resulting
therapy
resistance,
suggesting
targeting
an
important
adjunct
strategy
enhance
therapeutic
efficacy.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: March 20, 2023
Metabolic
abnormalities
lead
to
the
dysfunction
of
metabolic
pathways
and
metabolite
accumulation
or
deficiency
which
is
well-recognized
hallmarks
diseases.
Metabolite
signatures
that
have
close
proximity
subject's
phenotypic
informative
dimension,
are
useful
for
predicting
diagnosis
prognosis
diseases
as
well
monitoring
treatments.
The
lack
early
biomarkers
could
poor
serious
outcomes.
Therefore,
noninvasive
methods
with
high
specificity
selectivity
desperately
needed.
Small
molecule
metabolites-based
metabolomics
has
become
a
specialized
tool
biomarker
pathway
analysis,
revealing
possible
mechanisms
human
various
deciphering
therapeutic
potentials.
It
help
identify
functional
related
variation
delineate
biochemical
changes
indicators
pathological
damage
prior
disease
development.
Recently,
scientists
established
large
number
profiles
reveal
underlying
networks
target
exploration
in
biomedicine.
This
review
summarized
analysis
on
potential
value
small-molecule
candidate
metabolites
clinical
events,
may
better
diagnosis,
prognosis,
drug
screening
treatment.
We
also
discuss
challenges
need
be
addressed
fuel
next
wave
breakthroughs.
Journal for ImmunoTherapy of Cancer,
Journal Year:
2021,
Volume and Issue:
9(7), P. e002591 - e002591
Published: July 1, 2021
With
the
broad
application
of
cancer
immunotherapies
such
as
immune
checkpoint
inhibitors
in
multiple
types,
immunological
landscape
tumor
microenvironment
(TME)
has
become
enormously
important
for
determining
optimal
treatment.
Tumors
can
be
immunologically
divided
into
two
categories:
inflamed
and
non-inflamed
based
on
extent
cell
infiltration
their
activation
status.
In
general,
are
preferable
tumors
than
tumors.
Regulatory
T
cells
(Tregs),
an
immunosuppressive
subset
CD4
+
cells,
play
essential
role
maintaining
self-tolerance
homeostasis.
immunity,
Tregs
compromise
surveillance
against
healthy
individuals
impair
antitumor
response
tumor-bearing
hosts.
Tregs,
therefore,
accelerate
evasion
by
leading
to
development
progression
various
types
cancer.
Therefore,
considered
a
crucial
therapeutic
target
immunotherapy.
Abundant
observed
TME
many
cancer,
both
Diverse
mechanisms
Treg
accumulation,
activation,
survival
have
been
uncovered
different
indicating
importance
understanding
mechanism
each
patient
when
selecting
Treg-targeted
therapy.
Here,
we
review
recent
advances
abundance
optimize
Furthermore,
addition
conventional
strategies
targeting
surface
molecules
predominantly
expressed
reagents
signaling
pathways
specifically
employed
infiltration,
type
illustrated
novel
therapies.
The
effectiveness
precision
therapy
depends
conditions
patient.
Immunity,
Journal Year:
2022,
Volume and Issue:
55(1), P. 14 - 30
Published: Jan. 1, 2022
Adaptive
immune
responses
mediated
by
T
cells
and
B
are
crucial
for
protective
immunity
against
pathogens
tumors.
Differentiation
function
of
require
dynamic
reprogramming
cellular
metabolism.
Metabolic
inputs,
pathways,
enzymes
display
remarkable
flexibility
heterogeneity,
especially
in
vivo.
How
metabolic
plasticity
adaptation
dictate
functional
specialization
is
fundamental
to
our
understanding
therapeutic
modulation
the
system.
Extensive
progress
has
been
made
characterizing
effects
networks
on
cell
fate
discrete
microenvironments
or
immunological
contexts.
In
this
review,
we
summarize
how
rewiring
metabolism
determines
outcome
adaptive
vivo,
with
a
focus
metabolites,
nutrients,
driver
genes
immunometabolism
instruct
programming
during
infection,
inflammation,
cancer
mice
humans.
Understanding
context-dependent
remodeling
will
manifest
legitimate
opportunities
intervention
human
disease.
Redox Biology,
Journal Year:
2021,
Volume and Issue:
43, P. 102006 - 102006
Published: May 14, 2021
Tumor
recurrence
is
a
major
clinical
issue
that
represents
the
principal
cause
of
cancer-related
deaths,
with
few
targetable
common
pathways.
Mechanisms
by
which
residual
tumors
persist
and
progress
under
continuous
shift
between
hypoxia-reoxygenation
after
neoadjuvent-therapy
are
unknown.
In
this
study,
we
investigated
role
lipid
metabolism
tumor
redox
balance
in
recurrence.
Lipidomics,
proteomics
mass
spectrometry
imaging
approaches
where
applied
to
mouse
models
Genetic
pharmacological
inhibitions
mediators
were
used
vivo
functional
assays
vitro.
We
found
stearoyl-CoA
desaturase-1
(SCD1)
expressed
cancer
cells
fatty
acid
binding
protein-4
(FABP4)
produced
endothelial
(TECs)
adipocytes
microenvironment
(TME)
essential
for
relapse
response
tyrosine
kinase
inhibitors
(TKI)
chemotherapy.
SCD1
FABP4
also
upregulated
recurrent
human
breast
samples
correlated
worse
prognosis
patients
different
types
tumors.
Mechanistically,
leads
(FA)
desaturation
derived
from
TEM
enhances
droplet
(LD)
cells,
cooperatively
protect
oxidative
stress-induced
ferroptosis.
revealed
mobilization
elicit
intrinsic
antioxidant
anti-ferroptotic
resources
survival
regrowth
harsh
TME.
Inhibition
transport
TME
inhibitor
reduced
genetic
—
or
targeting
vivo,
was
abolished
completely.
This
finding
unveils
it
worth
taking
advantage
addiction,
as
vulnerability
design
novel
treatment
strategy
prevent