Ageing Research Reviews,
Год журнала:
2021,
Номер
70, С. 101410 - 101410
Опубликована: Июль 17, 2021
Human
aging
is
a
multifactorial
phenomenon
that
affects
numerous
organ
systems
and
cellular
processes,
with
the
immune
system
being
one
of
most
dysregulated.
Immunosenescence,
gradual
deterioration
system,
inflammaging,
chronic
inflammatory
state
persists
in
elderly,
are
among
plethora
changes
occur
during
aging.
Almost
all
populations
cells
change
age
terms
numbers
and/or
activity.
These
alterations
general
highly
detrimental,
resulting
an
increased
susceptibility
to
infections,
reduced
healing
abilities,
altered
homeostasis
promote
emergence
age-associated
diseases
such
as
cancer,
diabetes,
other
associated
inflammation.
Thanks
recent
developments,
several
strategies
have
been
proposed
target
central
immunological
processes
or
specific
subpopulations
affected
by
therapeutic
approaches
could
soon
be
applied
clinic
slow
down
even
reverse
age-induced
order
rejuvenate
prevent
reduce
impact
various
diseases.
Due
its
systemic
nature
interconnection
body,
attractive
for
intervention
because
relatively
targeted
modifications
small
set
potential
improve
health
multiple
systems.
Therefore,
anti-aging
targeting
therapies
represent
potent
approach
improving
healthspan.
Here,
we
review
major
components
summarize
current
immune-targeting
context
discuss
future
directions
field
rejuvenation.
Physiological Reviews,
Год журнала:
2020,
Номер
101(1), С. 147 - 176
Опубликована: Май 29, 2020
Efforts
to
develop
anti-cancer
therapies
have
largely
focused
on
targeting
the
epithelial
compartment,
despite
presence
of
non-neoplastic
stromal
components
that
substantially
contribute
progression
tumor.
Indeed,
cancer
cell
survival,
growth,
migration,
and
even
dormancy
are
influenced
by
surrounding
tumor
microenvironment
(TME).
Within
TME,
cancer-associated
fibroblasts
(CAFs)
been
shown
play
several
roles
in
development
a
They
secrete
growth
factors,
inflammatory
ligands,
extracellular
matrix
proteins
promote
proliferation,
therapy
resistance,
immune
exclusion.
However,
recent
work
indicates
CAFs
may
also
restrain
some
circumstances.
In
this
review,
we
summarize
body
CAFs,
with
particular
focus
most
discoveries
about
fibroblast
heterogeneity,
plasticity,
functions.
We
highlight
commonalities
present
across
different
types,
normal
states.
Finally,
latest
advances
regarding
therapeutic
strategies
undergoing
preclinical
clinical
evaluation.
Signal Transduction and Targeted Therapy,
Год журнала:
2023,
Номер
8(1)
Опубликована: Фев. 17, 2023
Abstract
Having
a
hypoxic
microenvironment
is
common
and
salient
feature
of
most
solid
tumors.
Hypoxia
has
profound
effect
on
the
biological
behavior
malignant
phenotype
cancer
cells,
mediates
effects
chemotherapy,
radiotherapy,
immunotherapy
through
complex
mechanisms,
closely
associated
with
poor
prognosis
in
various
patients.
Accumulating
studies
have
demonstrated
that
normalization
tumor
vasculature,
nanoparticle
carriers
biocarriers
can
effectively
increase
oxygen
concentration
microenvironment,
improve
drug
delivery
efficacy
radiotherapy.
They
also
infiltration
innate
adaptive
anti-tumor
immune
cells
to
enhance
immunotherapy.
Furthermore,
drugs
targeting
key
genes
hypoxia,
including
hypoxia
tracers,
hypoxia-activated
prodrugs,
hypoxia-inducible
factors
downstream
targets,
be
used
for
visualization
quantitative
analysis
antitumor
activity.
However,
relationship
between
an
area
research
requires
further
exploration.
Here,
we
investigated
potential
development
cancer,
changes
signaling
pathways
occur
adapt
environments,
mechanisms
hypoxia-induced
tolerance,
chemotherapeutic
enhanced
radiation
as
well
insights
applications
therapy.
Journal of Hematology & Oncology,
Год журнала:
2020,
Номер
13(1)
Опубликована: Ноя. 10, 2020
Immunosenescence
is
a
process
of
immune
dysfunction
that
occurs
with
age
and
includes
remodeling
lymphoid
organs,
leading
to
changes
in
the
function
elderly,
which
closely
related
development
infections,
autoimmune
diseases,
malignant
tumors.
T
cell-output
decline
an
important
feature
immunosenescence
as
well
production
senescence-associated
secretory
phenotype,
increased
glycolysis,
reactive
oxygen
species.
Senescent
cells
exhibit
abnormal
phenotypes,
including
downregulation
CD27,
CD28,
upregulation
CD57,
killer
cell
lectin-like
receptor
subfamily
G,
Tim-3,
Tight,
cytotoxic
T-lymphocyte-associated
protein
4,
are
tightly
The
role
tumors
sophisticated:
many
factors
involved
include
cAMP,
glucose
competition,
oncogenic
stress
tumor
microenvironment,
can
induce
senescence
cells,
macrophages,
natural
dendritic
cells.
Accordingly,
these
senescent
could
also
affect
progression.
In
addition,
effect
on
response
checkpoint
blocking
antibody
therapy
so
far
ambiguous
due
low
participation
elderly
cancer
patients
clinical
trials.
Furthermore,
other
senescence-related
interventions
be
possible
genetic
pharmacological
methods,
mTOR
inhibition,
interleukin-7
recombination,
NAD+
activation.
Overall,
this
review
aims
highlight
characteristics
its
impact
immunotherapy,
especially
future
directions
treatment
through
senescence-focused
strategies.
Signal Transduction and Targeted Therapy,
Год журнала:
2023,
Номер
8(1)
Опубликована: Май 13, 2023
Abstract
Infection
susceptibility,
poor
vaccination
efficacy,
age-related
disease
onset,
and
neoplasms
are
linked
to
innate
adaptive
immune
dysfunction
that
accompanies
aging
(known
as
immunosenescence).
During
aging,
organisms
tend
develop
a
characteristic
inflammatory
state
expresses
high
levels
of
pro-inflammatory
markers,
termed
inflammaging.
This
chronic
inflammation
is
typical
phenomenon
immunosenescence
it
considered
the
major
risk
factor
for
diseases.
Thymic
involution,
naïve/memory
cell
ratio
imbalance,
dysregulated
metabolism,
epigenetic
alterations
striking
features
immunosenescence.
Disturbed
T-cell
pools
antigen
stimulation
mediate
premature
senescence
cells,
senescent
cells
proinflammatory
senescence-associated
secretory
phenotype
exacerbates
Although
underlying
molecular
mechanisms
remain
be
addressed,
well
documented
T
inflammaging
might
driving
forces
in
Potential
counteractive
measures
will
discussed,
including
intervention
cellular
metabolic-epigenetic
axes
mitigate
In
recent
years,
has
attracted
increasing
attention
its
role
tumor
development.
As
result
limited
participation
elderly
patients,
impact
on
cancer
immunotherapy
unclear.
Despite
some
surprising
results
from
clinical
trials
drugs,
necessary
investigate
other
Abstract
The
past
decades
have
witnessed
great
progress
in
cancer
immunotherapy,
which
has
profoundly
revolutionized
oncology,
whereas
low
patient
response
rates
and
potential
immune‐related
adverse
events
remain
major
clinical
challenges.
With
the
advantages
of
controlled
delivery
modular
flexibility,
nanomedicine
offered
opportunities
to
strengthen
antitumor
immune
responses
sensitize
tumor
immunotherapy.
Furthermore,
tumor‐microenvironment
(TME)‐responsive
been
demonstrated
achieve
specific
localized
amplification
tissue
a
safe
effective
manner,
increasing
immunotherapy
reducing
side
effects
simultaneously.
Here,
recent
TME‐responsive
for
is
summarized,
responds
signals
TME,
such
as
weak
acidity,
reductive
environment,
high‐level
reactive
oxygen
species,
hypoxia,
overexpressed
enzymes,
adenosine
triphosphate.
Moreover,
combine
nanomedicine‐based
therapy
immunotherapeutic
strategies
overcome
each
step
cancer‐immunity
cycle
enhance
discussed.
Finally,
existing
challenges
further
perspectives
this
rising
field
with
hope
improved
development
applications
are