Targeting Microglia in Neuroinflammation: H3 Receptor Antagonists as a Novel Therapeutic Approach for Alzheimer’s Disease, Parkinson’s Disease, and Autism Spectrum Disorder
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(7), P. 831 - 831
Published: June 25, 2024
Histamine
performs
dual
roles
as
an
immune
regulator
and
a
neurotransmitter
in
the
mammalian
brain.
The
histaminergic
system
plays
vital
role
regulation
of
wakefulness,
cognition,
neuroinflammation,
neurogenesis
that
are
substantially
disrupted
various
neurodegenerative
neurodevelopmental
disorders.
H3
receptor
(H3R)
antagonists
inverse
agonists
potentiate
endogenous
release
brain
histamine
have
been
shown
to
enhance
cognitive
abilities
animal
models
several
Microglial
activation
subsequent
neuroinflammation
implicated
impacting
embryonic
adult
neurogenesis,
contributing
development
Alzheimer's
disease
(AD),
Parkinson's
(PD),
autism
spectrum
disorder
(ASD).
Acknowledging
importance
microglia
both
neurodevelopment,
well
their
by
histamine,
offers
intriguing
therapeutic
target
for
these
inhibition
H3Rs
has
found
facilitate
shift
from
proinflammatory
M1
state
anti-inflammatory
M2
state,
leading
reduction
activity
microglial
cells.
Also,
pharmacological
studies
demonstrated
H3R
showed
positive
effects
reducing
biomarkers,
suggesting
potential
simultaneously
modulating
crucial
neurotransmissions
signaling
cascades
such
PI3K/AKT/GSK-3β
pathway.
In
this
review,
we
highlight
addressing
pathology
decline
disorders,
e.g.,
AD,
PD,
ASD,
with
inflammatory
component.
Language: Английский
Epidemiology of Alzheimer Disease and Related Dementia Among Medicare and Medicaid Enrolled Autistic Adults, 2011–2019
Autism Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
ABSTRACT
Alzheimer's
disease
and
related
dementias
(ADRD)
are
burdensome
lethal
conditions
that
have
been
hypothesized
to
be
autism
through
shared
genetic
etiologies
environmental
risk
factors.
Our
objective
was
use
longitudinal
Medicaid
Medicare
data
describe
the
epidemiology
of
ADRD
in
publicly
insured
autistic
adults.
We
used
all
claims
encounters
from
2011
2019
identify
ADRD.
calculated
prevalence,
incidence,
age
at
onset,
created
survival
curves.
There
were
90,229
adults
≥
30
years
enrolled
for
least
1
year
and/or
267
cases.
Prevalence
2.09%
(95%
CI:
1.99%,
2.20%)
8.11%
7.92%,
8.30%)
2019.
Mean
onset
59.3
(SD:
14.2).
among
men
58.3
13.8)
61.0
females.
Incidence
higher
with
intellectual
disability
no
difference
by
sex.
is
a
prevalent
condition
middle‐
older‐aged
identified
system.
Understanding
diagnostic
process
phenotype
will
important
improve
identification
treatment.
Language: Английский