Peripheral blood immune cells from individuals with Parkinson's disease or inflammatory bowel disease share deficits in iron storage and transport that are modulated by non-steroidal anti-inflammatory drugs
Neurobiology of Disease,
Год журнала:
2025,
Номер
unknown, С. 106794 - 106794
Опубликована: Янв. 1, 2025
Parkinson's
Disease
(PD)
is
a
multisystem
disorder
in
which
dysregulated
neuroimmune
crosstalk
and
inflammatory
relay
via
the
gut-blood-brain
axis
have
been
implicated
PD
pathogenesis.
Although
alterations
circulating
cytokines
reactive
oxygen
species
(ROS)
associated
with
PD,
no
biomarkers
identified
that
predict
clinical
progression
or
disease
outcome.
Gastrointestinal
(GI)
dysfunction,
involves
perturbation
of
underlying
immune
system,
an
early
often-overlooked
symptom
affects
up
to
80
%
individuals
living
PD.
Interestingly,
50-70
bowel
(IBD),
GI
condition
has
epidemiologically
linked
display
chronic
illness-induced
anemia
-
drives
toxic
accumulation
iron
gut.
Ferroptotic
(or
loaded)
cells
small
dysmorphic
mitochondria-suggesting
mitochondrial
dysfunction
consequence
accumulation.
In
pro-inflammatory
environments,
accumulates
cells,
suggesting
possible
connection
and/or
synergy
between
dysregulation
cell
dysfunction.
Peripheral
blood
mononuclear
(PBMCs)
recapitulate
certain
PD-associated
neuropathological
signatures
can
act
as
communicating
messengers
gut-brain
axis.
Additionally,
this
communication
be
modulated
by
several
environmental
factors;
specifically,
our
data
further
support
existing
literature
demonstrating
role
for
non-steroidal
anti-inflammatory
drugs
(NSAIDs)
modulating
transcriptional
states
inflamed
individuals.
A
mechanism
linking
gut
inflammation
function
within
peripheral
yet
conferring
risk
To
end,
we
isolated
PBMCs
simultaneously
evaluated
their
directed
transcriptome
bioenergetic
status,
investigate
if
sensitization
are
IBD
because
remittent
activation.
We
shared
features
immunometabolism
may
contribute
epidemiological
association
reported
Язык: Английский
Calcium-iron crosstalk in epileptogenesis: Unraveling mechanisms and therapeutic opportunities
Neurobiology of Disease,
Год журнала:
2025,
Номер
unknown, С. 106989 - 106989
Опубликована: Июнь 1, 2025
Epilepsy,
a
chronic
neurological
disorder
affecting
millions
globally,
remains
poorly
understood
in
its
etiology
and
therapeutic
management.
Emerging
evidence
highlights
the
intricate
interplay
between
calcium
(Ca2+)
iron
(Fe2+/Fe3+)
ions
modulating
neuronal
excitability,
oxidative
stress,
synaptic
plasticity-key
processes
implicated
epileptogenesis.
This
review
synthesizes
current
knowledge
on
dual
roles
of
Ca2+
Fe2+/Fe3+
epilepsy,
emphasizing
their
bidirectional
regulatory
mechanisms
pathological
synergism.
Calcium
dysregulation,
mediated
through
voltage-gated
channels
(e.g.,
Cav1.2,
Cav3.2),
store-operated
entry
(SOCE),
mitochondrial
uniporters
(MCU),
exacerbates
hyperexcitability
seizure
propagation.
Concurrently,
overload
drives
ferroptosis
via
lipid
peroxidation
glutathione
depletion,
while
deficiency
impairs
neurodevelopmental
processes.
Crucially,
Ca2+-Fe2+
crosstalk
intersects
at
multiple
nodes:
TRP
TRPC6,
TRPML1)
facilitate
ion
transport;
dysfunction
links
with
Fe2+-dependent
ROS
generation;
inflammatory
cascades
disrupt
both
homeostasis.
Clinically,
antiepileptic
drugs
targeting
ethosuximide,
zonisamide)
emerging
inhibitors
deferoxamine,
RTA
408)
underscore
potential
these
pathways.
However,
drug
resistance
incomplete
control
necessitate
novel
strategies
leveraging
interaction
networks.
We
propose
that
combinatorial
approaches
signaling
hubs-such
as
MCU-TRPML1
axes
or
redox-sensitive
RyR
channels-may
offer
synergistic
benefits.
Future
research
must
prioritize
cross-model
validation,
advanced
neuroimaging
biomarkers,
multidisciplinary
frameworks
to
translate
mechanistic
insights
into
precision
therapies.
comprehensive
analysis
positions
pivotal
frontier
epilepsy
research,
bridging
molecular
pathophysiology
innovative
treatment
paradigms.
Язык: Английский
IL-6 and diabetic kidney disease
Frontiers in Immunology,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 19, 2024
Diabetic
kidney
disease
(DKD)
is
a
severe
microvascular
complication
of
diabetes
associated
with
high
mortality
and
disability
rates.
Inflammation
has
emerged
as
key
pathological
mechanism
in
DKD,
prompting
interest
novel
therapeutic
approaches
targeting
inflammatory
pathways.
Interleukin-6
(IL-6),
well-established
cytokine
known
for
mediating
various
responses,
attracted
great
attention
the
DKD
field.
Although
multiple
Язык: Английский
Peripheral Blood Immune Cells from Individuals with Parkinson's Disease or Inflammatory Bowel Disease Share Deficits in Iron Storage and Transport that are Modulated by Non-Steroidal Anti-Inflammatory Drugs
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 19, 2024
ABSTRACT
Parkinson’s
Disease
(PD)
is
a
multisystem
disorder
in
which
dysregulated
neuroimmune
crosstalk
and
inflammatory
relay
via
the
gut-blood-brain
axis
have
been
implicated
PD
pathogenesis.
Although
alterations
circulating
cytokines
reactive
oxygen
species
(ROS)
associated
with
PD,
no
biomarkers
identified
that
predict
clinical
progression
or
disease
outcome.
Gastrointestinal
(GI)
dysfunction,
involves
perturbation
of
underlying
immune
system,
an
early
often-overlooked
symptom
affects
up
to
80%
individuals
living
PD.
Interestingly,
50-70%
bowel
(IBD),
GI
condition
has
epidemiologically
linked
display
chronic
illness-induced
anemia
—
drives
toxic
accumulation
iron
gut.
Ferroptotic
(or
loaded)
cells
small
dysmorphic
mitochondria—suggesting
mitochondrial
dysfunction
consequence
accumulation.
In
pro-inflammatory
environments,
accumulates
cells,
suggesting
possible
connection
and/or
synergy
between
dysregulation
cell
dysfunction.
Peripheral
blood
mononuclear
(PBMCs)
recapitulate
certain
PD-associated
neuropathological
signatures
can
act
as
communicating
messengers
gut-brain
axis.
Additionally,
this
communication
be
modulated
by
several
environmental
factors;
specifically,
our
data
further
support
existing
literature
demonstrating
role
for
non-steroidal
anti-inflammatory
drugs
(NSAIDs)
modulating
transcriptional
states
inflamed
individuals.
A
mechanism
linking
gut
inflammation
function
within
peripheral
yet
conferring
risk
To
end,
we
isolated
PBMCs
simultaneously
evaluated
their
directed
transcriptome
bioenergetic
status,
investigate
if
sensitization
are
IBD
because
remittent
activation.
We
shared
features
immunometabolism
may
contribute
epidemiological
association
reported
Язык: Английский