Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Sept. 27, 2022
Abstract
Background
.
Depression
is
a
debilitating
and
difficult-to-treat
condition
in
people
with
HIV
(PWH)
despite
viral
suppression
on
antiretroviral
therapy
(ART).
associated
activation
of
the
PKR-like
ER
kinase
(PERK)
pathway,
which
regulates
protein
synthesis
response
to
metabolic
stress.
We
evaluated
common
PERK
haplotypes
that
influence
expression
relation
depressed
mood
PWH.
Methods
PWH
from
6
research
centers
were
enrolled
study.
Genotyping
was
conducted
using
targeted
sequencing
TaqMan.
The
major
A,
B,
D
identified.
Depressive
symptom
severity
assessed
Beck
Inventory-II
(BDI-II).
Covariates
including
genetically-defined
ancestry,
demographics,
disease/treatment
parameters
antidepressant
treatments
assessed.
Data
analyzed
multivariable
regression
models.
Results
A
total
287
mean
(SD)
age
57.1±7.8
years
enrolled.
Although
largest
ethnic
group
non-Hispanic
white
(n=129,
45.3%),
African-American
(n=124,
43.5%)
Hispanic
(n=30,
10.5%)
made
up
over
half
sample.
20.3%
female
96.5%
virally
suppressed.
Mean
BDI-II
9.6±9.5,
28.9%
scored
above
cutoff
for
mild
depression
(BDI-II>13).
haplotype
frequencies
AA
57.8%,
AB
25.8%,
AD
10.1%,
BB
4.88%.
differentially
represented
according
genetic
ancestry
(p=
6.84e-6).
scores
significantly
higher
participants
(F=4.45,
p=0.0007).
This
finding
robust
consideration
potential
confounds.
Conclusions
Consequently,
pharmacological
targeting
PERK-related
pathways
might
ameliorate
Pharmacological Reviews,
Journal Year:
2022,
Volume and Issue:
75(1), P. 62 - 158
Published: Dec. 8, 2022
The
neurotransmitter
dopamine
is
a
key
factor
in
central
nervous
system
(CNS)
function,
regulating
many
processes
including
reward,
movement,
and
cognition.
Dopamine
also
regulates
critical
functions
peripheral
organs,
such
as
blood
pressure,
renal
activity,
intestinal
motility.
Beyond
these
functions,
growing
body
of
evidence
indicates
that
an
important
immunoregulatory
factor.
Most
types
immune
cells
express
receptors
other
dopaminergic
proteins,
take
up,
produce,
store,
and/or
release
dopamine,
suggesting
immunomodulation
for
function.
Targeting
pathways
could
be
promising
avenue
the
treatment
inflammation
disease,
but
despite
increasing
research
this
area,
data
on
specific
effects
disease
remain
inconsistent
poorly
understood.
Therefore,
review
integrates
current
knowledge
role
cell
function
inflammatory
signaling
across
systems.
We
discuss
understanding
regulation
CNS
tissues,
highlighting
diseases
Parkinson’s
several
neuropsychiatric
conditions,
neurologic
human
immunodeficiency
virus,
bowel
rheumatoid
arthritis,
others.
Careful
consideration
given
to
influence
experimental
design
results,
we
note
number
areas
need
further
research.
Overall,
our
immunology
at
cellular,
tissue,
level
prompts
development
therapeutics
strategies
targeted
toward
ameliorating
through
immunity.
Significance
Statement
Canonically,
recognized
involved
cognition,
reward.
However,
acts
modulator
periphery.
This
comprehensively
assesses
pathogenesis
cellular
tissue
level.
will
provide
broad
access
information
fields,
identify
investigation,
drive
therapeutic
strategies.
Journal of Clinical Medicine,
Journal Year:
2025,
Volume and Issue:
14(6), P. 1886 - 1886
Published: March 11, 2025
Remdesivir
(RDV)
and
nirmatrelvir/ritonavir
(NMVr)
are
among
the
most
widely
used
antivirals
in
treatment
of
COVID-19,
aiming
to
reduce
disease
severity
progression.
Adverse
neuropsychiatric
effects,
such
as
anxiety,
sleep
disturbances,
movement
disorders,
have
emerged
significant
concerns
associated
with
these
treatments.
To
better
understand
safety
profiles
RDV
NMVr,
this
study
performs
a
pharmacovigilance
analysis
individual
case
reports
(ICSRs)
from
EudraVigilance
(EV)
database.
Objectives:
This
evaluates
risk
adverse
events
NMVr.
Comparisons
other
antiviral
drugs,
including
darunavir,
sofosbuvir,
ribavirin,
tenofovir,
ritonavir,
sotrovimab,
also
performed
develop
comprehensive
understanding
profiles.
Methods:
A
retrospective
ICSRs
submitted
EV
until
7
July
2024,
data
extraction
on
12
was
conducted.
Demographic
characteristics
(age,
sex,
geographic
region,
reporter
type)
were
included
descriptive
analysis.
Disproportionality
using
reporting
odds
ratio
(ROR)
95%
confidence
intervals
(CI)
compare
drug
reaction
(ADRs)
frequencies
across
27
system
organ
classes
(SOCs),
emphasis
“Nervous
disorders”
“Psychiatric
disorders.
Results:
The
total
number
significantly
higher
for
NMVr
(n
=
8078)
compared
3934).
Nervous
disorders
accounted
3.07%
17.31%
reports,
while
psychiatric
represented
0.92%
ADRs
reported
60)
3.61%
672).
On
hand,
showed
lower
frequency
headache
(ROR:
0.1057;
CI:
0.0676–0.1653).
Conclusions:
presents
than
RDV,
underscoring
need
enhanced
monitoring,
particularly
patients
preexisting
central
nervous
(CNS)
conditions.
These
findings
contribute
optimizing
informing
clinical
decision
making.
Molecular Psychiatry,
Journal Year:
2019,
Volume and Issue:
25(6), P. 1286 - 1300
Published: April 24, 2019
Systemic
inflammation
may
influence
trajectories
of
depressive
symptoms
over
time,
perhaps
differentially
by
sex
and
race.
Inflammatory
markers
the
Center
for
Epidemiologic
Studies-Depression
scale
[total
score:
CES-Dtotal
four
distinctive
domains:
somatic
complaints,
depressed
affect,
positive
affect
interpersonal
problems]
were
examined
among
African-American
(AA)
White
urban
adults
participating
in
Healthy
Aging
Neighborhoods
Diversity
across
Life
Span
(HANDLS)
study
[2004-2013,
Agebase:30-64
y,
mean
±
SD
follow-up
time:
4.64
0.93
N
=
150
(with
cytokine
data)
to
1,767
other
inflammatory
markers)].
Findings
suggest
that
serum
concentrations
high-sensitivity
C-reactive
protein
(hsCRP),
z-inflammation
composite
score
[ICS,
combining
elevated
hsCRP
ESR
with
low
albumin
iron],
interleukin
(IL)
1β
positively
associated
ΔCES-Dtotal
(Δ:
annual
rate
increase)
Whites
only.
IL-12
was
directly
related
men
AA.
The
race-specific
associations
hsCRP,
ICS,
IL-1β
sex-specific
association
replicated
"depressed
affect"
domain.
Similarly,
men,
lower
higher
ICS
linked
baseline
"somatic
complaints".
IL-10
AA
inversely
Δ"positive
affect",
while
"interpersonal
problems"
cross-sectionally
IL-6
Whites.
Finally,
incident
"elevated
symptoms"
(EDS:
≥
16)
(HR
1.28,
95%
CI:
1.04-1.56,
P
0.017).
Overall,
systemic
increased
time
at
baseline,
race
groups.
More
longitudinal
research
is
needed
replicate
our
findings.
Brain Behavior & Immunity - Health,
Journal Year:
2019,
Volume and Issue:
2, P. 100030 - 100030
Published: Dec. 31, 2019
Induction
of
innate
immune
genes
in
the
brain
is
thought
to
be
a
major
factor
development
addiction
substances
abuse.
As
component
system
brain,
aberrant
activation
myeloid
cells
such
as
macrophages
and
microglia
due
substance
use
may
mediate
neuroinflammation
contribute
addiction.
All
addictive
drugs
modulate
dopaminergic
our
previous
studies
have
identified
dopamine
pro-inflammatory
modulator
macrophage
function.
However,
mechanism
that
mediates
this
effect
currently
unknown.
Inflammatory
induction
cytokine
production
often
mediated
by
transcription
NF-κB,
prior
shown
can
NF-κB
activity
T-cells
other
non-immune
cell
lines.
Here
we
demonstrated
activate
primary
human
macrophages,
resulting
its
downstream
targets
including
NLRP3
inflammasome
inflammatory
IL-1β.
These
data
also
indicate
primes
but
does
not
macrophages.
Activation
was
required
for
dopamine-mediated
increases
IL-1β,
an
inhibitor
able
abrogate
effects
on
these
cytokines.
Connecting
increase
extracellular
inflammation
suggests
specific
intracellular
could
used
ameliorate
impact
neuroinflammatory
conditions
associated
with
Retrovirology,
Journal Year:
2021,
Volume and Issue:
18(1)
Published: Aug. 24, 2021
Abstract
The
HIV
co-receptors,
CCR5
and
CXCR4,
are
necessary
for
entry
into
target
cells,
interacting
with
the
envelope
protein,
gp120,
to
initiate
several
signaling
cascades
thought
be
important
process.
Co-receptor
may
also
promote
development
of
neuroHIV
by
contributing
both
persistent
neuroinflammation
indirect
neurotoxicity.
But
despite
critical
importance
CXCR4
pathogenesis,
there
is
only
one
therapeutic
(the
inhibitor
Maraviroc)
that
targets
these
receptors.
Moreover,
our
understanding
co-receptor
in
specific
context
relatively
poor.
Research
has
largely
stalled
past
decade,
possibly
owing
complexity
functions
mediated
Examining
many
pathways
triggered
activation
been
challenging
due
lack
molecular
tools
targeting
proteins
involved
wide
array
model
systems
used
across
experiments.
Studies
examining
impact
on
neuropathogenesis
often
show
multiple
overlapping
similar
stimuli,
leading
contradictory
data
effects
activation.
To
address
this,
we
will
broadly
review
infection
neuropathogenesis,
examine
different
functions,
then
discuss
differences
between
induced
cognate
ligands.
We
assess
focusing
neuroinflammation.
explore
how
use
substances
abuse,
which
highly
prevalent
people
living
HIV,
can
exacerbate
neuropathogenic
signaling.
Finally,
current
state
therapeutics
highlighting
challenges
field
faced
areas
research
would
yield
most
benefit
infection.
This
discussion
provide
a
comprehensive
overview
what
known
remains
explored
regard
infection,
emphasize
potential
value
co-receptors
as
future
development.
Journal of Neuroinflammation,
Journal Year:
2025,
Volume and Issue:
22(1)
Published: March 23, 2025
The
catecholamine
neurotransmitter
dopamine
is
classically
known
for
regulation
of
central
nervous
system
(CNS)
functions
such
as
reward,
movement,
and
cognition.
Increasing
evidence
also
indicates
that
regulates
critical
in
peripheral
organs
an
important
immunoregulatory
factor.
We
have
previously
shown
increases
NF-κB
activity,
inflammasome
activation,
the
production
inflammatory
cytokines
IL-1β
human
macrophages.
As
myeloid
lineage
cells
are
to
initiation
resolution
acute
responses,
dopamine-mediated
dysregulation
these
could
both
impair
innate
immune
response
exacerbate
chronic
inflammation.
However,
exact
pathways
by
which
drives
inflammation
not
well
defined,
studies
rodent
systems
indicate
can
impact
mediators
through
D1-like
receptors
(DRD1,
DRD5)
D2-like
(DRD2,
DRD3,
DRD4).
Therefore,
we
hypothesized
regulated
ratio
different
activated.
Our
data
primary
monocyte-derived
macrophages
(hMDM)
DRD1
expression
necessary
IL-1β,
changes
DRD2
other
alter
magnitude
increase
IL-1β.
Mature
hMDM
a
high
receptor
ratio,
relative
monocytes
blood
mononuclear
(PBMCs).
further
confirm
microglia
cell
lines
promotes
dopamine-induced
gene
protein
using
pharmacological
inhibition
or
overexpression
receptors.
RNA-sequencing
dopamine-treated
shows
genes
encoding
signaling
pathways,
neurotransmission
increased
with
treatment.
Finally,
HIV
example
disease
substantively
worsened
comorbid
substance
use
disorders
(SUDs)
dopaminergic
signaling,
show
effects
on
activation
presence
microglia.
These
suggest
addictive
substances
dopamine-modulating
therapeutics
dysregulate
neuroimmunological
conditions
like
HIV.
Thus,
detailed
understanding
inflammation,
particular
regulating
will
be
effectively
tailor
medication
regimens.