Journal of Neuroinflammation,
Год журнала:
2021,
Номер
18(1)
Опубликована: Ноя. 27, 2021
Microglia
are
integral
mediators
of
innate
immunity
within
the
mammalian
central
nervous
system.
Typical
microglial
responses
transient,
intending
to
restore
homeostasis
by
orchestrating
removal
pathogens
and
debris
regeneration
damaged
neurons.
However,
prolonged
persistent
activation
can
drive
chronic
neuroinflammation
is
associated
with
neurodegenerative
disease.
Recent
evidence
has
revealed
that
abnormalities
in
signaling
pathways
involving
phosphatidylinositol
3-kinase
(PI3K)
protein
kinase
B
(AKT)
may
contribute
altered
activity
exacerbated
neuroimmune
responses.
In
this
scoping
review,
known
suspected
roles
PI3K-AKT
microglia,
both
during
health
pathological
states,
will
be
examined,
key
receptors
induce
microglia
described.
Since
aberrant
correlated
disease
onset,
relationship
between
maladapted
development
also
explored.
Finally,
studies
which
been
modulated
highlighted,
as
prove
a
promising
therapeutic
approach
for
future
treatment
range
neuroinflammatory
conditions.
Abstract
The
PI3K/AKT/mTOR
(PAM)
signaling
pathway
is
a
highly
conserved
signal
transduction
network
in
eukaryotic
cells
that
promotes
cell
survival,
growth,
and
cycle
progression.
Growth
factor
signalling
to
transcription
factors
the
PAM
axis
regulated
by
multiple
cross-interactions
with
several
other
pathways,
dysregulation
of
can
predispose
cancer
development.
most
frequently
activated
human
often
implicated
resistance
anticancer
therapies.
Dysfunction
components
this
such
as
hyperactivity
PI3K,
loss
function
PTEN,
gain-of-function
AKT,
are
notorious
drivers
treatment
disease
progression
cancer.
In
review
we
highlight
major
dysregulations
cancer,
discuss
results
AKT
mTOR
inhibitors
monotherapy
co-administation
antineoplastic
agents
clinical
trials
strategy
for
overcoming
resistance.
Finally,
mechanisms
targeted
therapies,
including
immunology
immunotherapies
also
discussed.
Oxidative Medicine and Cellular Longevity,
Год журнала:
2021,
Номер
2021(1)
Опубликована: Янв. 1, 2021
Oxidative
stress,
a
term
that
describes
the
imbalance
between
oxidants
and
antioxidants,
leads
to
disruption
of
redox
signals
causes
molecular
damage.
Increased
oxidative
stress
from
diverse
sources
has
been
implicated
in
most
senescence‐related
diseases
aging
itself.
The
Kelch‐like
ECH‐associated
protein
1‐
(Keap1‐)
nuclear
factor‐erythroid
2‐related
factor
2
(Nrf2)
system
can
be
used
monitor
stress;
Keap1‐Nrf2
is
closely
associated
with
controls
transcription
multiple
antioxidant
enzymes.
Simultaneously,
signaling
also
modulated
by
more
complex
regulatory
network,
including
phosphoinositide
3‐kinase
(PI3K)/protein
kinase
B
(Akt),
C,
mitogen‐activated
kinase.
This
review
presents
information
on
aging‐related
mechanisms
involving
Keap1‐Nrf2.
Furthermore,
we
highlight
several
major
involved
Nrf2
unbinding
Keap1,
cysteine
modification
Keap1
phosphorylation
Nrf2,
PI3K/Akt/glycogen
synthase
3
β
,
sequestosome
1,
Bach1
c
‐
Myc
.
Additionally,
discuss
direct
interaction
mammalian
target
rapamycin
pathway.
In
summary,
focus
recent
progress
research
aging,
providing
an
empirical
basis
for
development
antiaging
drugs.
Cancers,
Год журнала:
2021,
Номер
13(16), С. 3949 - 3949
Опубликована: Авг. 5, 2021
The
PI3K/AKT
pathway
is
one
of
the
most
frequently
over-activated
intracellular
pathways
in
several
human
cancers.
This
pathway,
acting
on
different
downstream
target
proteins,
contributes
to
carcinogenesis,
proliferation,
invasion,
and
metastasis
tumour
cells.
A
multi-level
impairment,
involving
mutation
genetic
alteration,
aberrant
regulation
miRNAs
sequences,
abnormal
phosphorylation
cascade
factors,
has
been
found
multiple
cancer
types.
deregulation
this
counteracts
common
therapeutic
strategies
multidrug
resistance.
In
review,
we
underline
involvement
patho-physiological
cell
survival
mechanisms,
emphasizing
its
key
role
development
drug
We
also
provide
an
overview
potential
inhibition
currently
available.
International Journal of Molecular Sciences,
Год журнала:
2021,
Номер
22(13), С. 6923 - 6923
Опубликована: Июнь 28, 2021
Cell
cycle
regulation
is
orchestrated
by
a
complex
network
of
interactions
between
proteins,
enzymes,
cytokines,
and
cell
signaling
pathways,
vital
for
proliferation,
growth,
repair.
The
occurrence,
development,
metastasis
tumors
are
closely
related
to
the
cycle.
can
be
synergistic
with
chemotherapy
in
two
aspects:
inhibition
or
promotion.
sensitivity
tumor
cells
chemotherapeutic
drugs
improved
cooperation
strategies.
This
review
presented
mechanism
commonly
used
effect
on
tumorigenesis
interaction
cancer
treatment
was
briefly
introduced.
current
collaborative
strategies
discussed
detail.
Finally,
we
outline
challenges
perspectives
about
improvement
combination
therapy.
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(3), С. 1353 - 1353
Опубликована: Янв. 25, 2022
Glioblastoma
(GBM)
is
a
devastating
type
of
brain
tumor,
and
current
therapeutic
treatments,
including
surgery,
chemotherapy,
radiation,
are
palliative
at
best.
The
design
effective
targeted
chemotherapeutic
strategies
for
the
treatment
GBM
require
thorough
analysis
specific
signaling
pathways
to
identify
those
serving
as
drivers
progression
invasion.
Wnt/β-catenin
PI3K/Akt/mTOR
(PAM)
key
regulators
important
biological
functions
that
include
cell
proliferation,
epithelial–mesenchymal
transition
(EMT),
metabolism,
angiogenesis.
Targeting
regulatory
components
PAM
has
potential
disrupt
critical
tumor
achieve
advancements
in
alternative
enhance
survival
rate
patients.
In
this
review,
we
emphasize
importance
invasion
into
tissue
explore
their
targets.
Molecular Metabolism,
Год журнала:
2021,
Номер
52, С. 101304 - 101304
Опубликована: Июль 15, 2021
The
discovery
of
insulin
100
years
ago
and
its
application
to
the
treatment
human
disease
in
since
have
marked
a
major
turning
point
history
medicine.
availability
purified
allowed
for
establishment
physiological
role
regulation
blood
glucose
ketones,
determination
amino
acid
sequence,
solving
structure.
Over
last
50
years,
function
has
been
applied
into
receptor
signaling
cascade
reveal
impaired
signaling—or
resistance—in
progression
type
2
diabetes.
It
also
become
clear
that
can
impact
not
only
classical
insulin-sensitive
tissues,
but
all
tissues
body,
many
these
regulates
unexpected
functions.
Despite
remarkable
advances,
much
remains
be
learned
about
both
how
use
this
molecular
knowledge
advance
diabetes
other
insulin-resistant
states.
Autophagy,
Год журнала:
2021,
Номер
18(3), С. 473 - 495
Опубликована: Июль 9, 2021
Macroautophagy/autophagy
is
an
evolutionarily
conserved
pathway
responsible
for
clearing
cytosolic
aggregated
proteins,
damaged
organelles
or
invading
microorganisms.
Dysfunctional
autophagy
leads
to
pathological
accumulation
of
the
cargo,
which
has
been
linked
a
range
human
diseases,
including
neurodegenerative
infectious
and
autoimmune
diseases
various
forms
cancer.
Cumulative
work
in
animal
models,
application
genetic
tools
pharmacologically
active
compounds,
suggested
potential
therapeutic
value
modulation
disease,
as
diverse
Huntington,
Salmonella
infection,
pancreatic
Autophagy
activation
versus
inhibition
strategies
are
being
explored,
while
role
pathophysiology
studied
parallel.
However,
progress
preclinical
clinical
development
modulators
greatly
hampered
by
paucity
selective
pharmacological
agents
biomarkers
dissect
their
precise
impact
on
cellular
responses.
Here,
we
summarize
established
new
autophagy-related
drug
discovery
indicate
path
toward
establishing
more
efficient
autophagy-selective
agents.
With
this
knowledge
at
hand,
modern
concepts
exploitation
might
become
plausible.Abbreviations:
ALS:
amyotrophic
lateral
sclerosis;
AMPK:
AMP-activated
protein
kinase;
ATG:
gene;
AUTAC:
autophagy-targeting
chimera;
CNS:
central
nervous
system;
CQ:
chloroquine;
GABARAP:
gamma-aminobutyric
acid
type
A
receptor-associated
protein;
HCQ:
hydroxychloroquine;
LYTAC:
lysosome
targeting
MAP1LC3/LC3:
microtubule
associated
1
light
chain
3;
MTOR:
mechanistic
target
rapamycin
NDD:
disease;
PDAC:
ductal
adenocarcinoma;
PE:
phosphatidylethanolamine;
PIK3C3/VPS34:
phosphatidylinositol
3-kinase
catalytic
subunit
PtdIns3K:
class
III
3-kinase;
PtdIns3P:
3-phosphate;
PROTAC:
proteolysis-targeting
SARS-CoV-2:
severe
acute
respiratory
syndrome
coronavirus
2;
SQSTM1/p62:
sequestosome
1;
ULK1:
unc-51
like
activating
kinase
1.
Cell Stress and Chaperones,
Год журнала:
2021,
Номер
26(6), С. 871 - 887
Опубликована: Авг. 13, 2021
Among
the
long
list
of
age-related
complications,
Alzheimer's
disease
(AD)
has
most
dreadful
impact
on
quality
life
due
to
its
devastating
effects
memory
and
cognitive
abilities.
Although
a
plausible
correlation
between
phosphatidylinositol
3-kinase
(PI3K)
signaling
different
processes
involved
in
neurodegeneration
been
evidenced,
few
articles
reviewed
task.
The
current
review
aims
unravel
mechanisms
by
which
PI3K
pathway
plays
pro-survival
roles
normal
conditions,
also
discuss
original
data
obtained
from
international
research
laboratories
this
topic.
Responses
questions
how
alterations
PI3K/Akt
affect
Tau
phosphorylation
amyloid
cascade
are
given.
In
addition,
we
provide
general
overview
association
oxidative
stress,
neuroinflammation,
insulin
signaling,
altered
autophagy
with
aberrant
activation
axis
AD
brain.
last
section
provides
special
focus
therapeutic
possibility
PI3K/Akt/mTOR
modulators,
either
categorized
as
chemicals
or
herbals,
AD.
conclusion,
determining
correct
timing
for
administration
drugs
seems
be
one
important
factors
success
these
agents.
Also,
role
progression
repression
widely
depends
context
cells;
generally
speaking,
while
neurons
neural
stem
cells
is
favorable,
microglia
may
harmful.