From pain to meningitis: bacteria hijack nociceptors to promote meningitis
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 14, 2025
Bacterial
meningitis
is
a
severe
and
life-threatening
infection
of
the
central
nervous
system
(CNS),
primarily
caused
by
Streptococcus
pneumoniae
Neisseria
meningitidis.
This
condition
carries
high
risk
mortality
neurological
sequelae,
such
as
cognitive
impairment
epilepsy.
Pain,
feature
meningitis,
results
from
activation
nociceptor
sensory
neurons
inflammatory
mediators
or
bacterial
toxins.
These
nociceptors,
abundantly
present
in
meninges,
trigger
neuroimmune
signaling
pathways
that
influence
host
immune
response.
However,
mechanisms
which
bacteria
hijack
these
nociceptors
to
promote
CNS
invasion
exacerbate
disease
remain
poorly
understood.
review
examines
interactions
between
meningeal
focusing
on
their
direct
indirect
via
ion
channels,
transient
receptor
potential
vanilloid-1
(TRPV1)
ankyrin
1
(TRPA1),
through
release
neuropeptides
like
calcitonin
gene-related
peptide
(CGRP).
suppress
defenses
inhibiting
macrophage
activity
neutrophil
recruitment,
thus
facilitating
survival
CNS.
Understanding
this
axis
may
open
therapeutic
targets
for
treating
enhancing
mitigating
pain.
Further
research
using
advanced
methodologies
essential
clarify
role
nociceptor-mediated
modulation
disease.
Language: Английский
Sex Differences in the Regulation of Interleukins in Chronic Pain: A Widely Recognized but Difficult-to-Tackle Factor
Jie Liu,
No information about this author
Zheng Li,
No information about this author
Jie Ju
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(8), P. 3835 - 3835
Published: April 18, 2025
Chronic
pain
is
an
extremely
prevalent
healthcare
issue
that
has
a
profound
impact
on
individuals
and
society.
Sex
sex
hormones
regulate
the
threshold
differently
in
males
females
processing.
However,
regulatory
mechanisms
of
differences
response
to
painful
stimuli
are
still
unclear,
which
contributes
difficulty
analgesic
drug
development.
Interleukins
mediate
neuroinflammation
involved
development
chronic
pain.
Recent
studies
have
found
regulation
thresholds
by
interleukins.
Most
previous
used
male
animals
study
effects
treatments
due
complexity
estrogen.
This
review
summarizes
only
female
or
both
sexes
examine
interleukin-regulated
pain,
provide
theoretical
basis
for
more
targeted
precision
medicines
Language: Английский