bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 23, 2023
The
detection
of
environmental
temperatures
is
critical
for
survival,
yet
inappropriate
responses
to
thermal
stimuli
can
have
a
negative
impact
on
overall
health.
physiological
effect
cold
distinct
among
somatosensory
modalities
in
that
it
soothing
and
analgesic,
but
also
agonizing
the
context
tissue
damage.
Inflammatory
mediators
produced
during
injury
activate
nociceptors
release
neuropeptides,
such
as
CGRP
substance
P,
inducing
neurogenic
inflammation
which
further
exasperates
pain.
Many
inflammatory
induce
sensitization
heat
mechanical
but,
conversely,
inhibit
responsiveness,
identity
molecules
pain
peripherally
enigmatic,
are
cellular
molecular
mechanisms
altering
sensitivity.
Here,
we
asked
if
via
nociceptive
ion
channels
TRPV1
TRPA1
lead
mice.
Specifically,
tested
sensitivity
mice
after
intraplantar
injection
lysophosphatidic
acid
(LPA)
or
4-hydroxy-2-nonenal
(4HNE),
finding
each
induces
dependent
cold-gated
channel
TRPM8.
Inhibition
either
CGRP,
toll-like
receptor
4
(TLR4)
signaling
attenuates
this
phenotype,
neuropeptide
produces
TRPM8-dependent
directly.
Further,
inhibition
TLR4
alleviates
allodynia
differentially
by
sex.
Lastly,
find
induced
neuropeptides
requires
neurotrophin
artemin
its
GFRα3.
These
results
demonstrate
damage
alters
inflammation,
likely
leading
localized
GFRα3
TRPM8.The
generate
complex
with
diverse
array
pain-producing
generated
act
sensitize
peripheral
sensory
neurons,
thereby
Here
identify
specific
neuroinflammatory
pathway
involving
TRPM8
leads
pain,
providing
select
targets
potential
therapies
modality.
The Journal of Headache and Pain,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: June 6, 2024
Abstract
Background
Migraine,
a
neurological
disorder
with
significant
female
predilection,
is
the
leading
cause
of
disability-adjusted
life
years
(DALYs)
in
women
childbearing
age
(WCBA).
There
currently
lack
comprehensive
literature
analysis
on
overall
global
burden
and
changing
trends
migraines
WCBA.
Methods
This
study
extracted
three
main
indicators,
including
prevalence,
incidence,
DALYs,
related
to
migraine
WCBA
from
Global
Burden
Disease(GBD)
database
1990
2021.
Our
presented
point
estimates
95%
uncertainty
intervals
(UIs).
It
evaluated
using
estimated
annual
percentage
change
(EAPC)
change.
Results
In
2021,
DALYs
cases
among
were
493.94
million,
33.33
18.25
respectively,
changes
48%,
43%,
47%
compared
1990.
Over
past
32
years,
prevalence
rates
globally
have
increased,
an
EAPC
0.03
(95%
UI:
0.02
0.05)
0.04
0.05),
while
incidence
decreased
-0.07
-0.08
-0.05).
Among
5
Socio-Demographic
Index
(SDI)
regions,
middle
SDI
region
recorded
highest
WCBA,
at
157.1
10.56
5.81
approximately
one-third
total.
terms
age,
for
group
15–19
5942.5
thousand,
rate
per
100,000
population
1957.02,
all
groups.
The
total
number
show
increasing
trend
particularly
45–49
group.
Conclusions
Overall,
has
significantly
increased
over
within
Research
findings
emphasize
importance
customized
interventions
aimed
addressing
issue
thus
contributing
attainment
Sustainable
Development
Goal
3
set
by
World
Health
Organization.
Cephalalgia,
Journal Year:
2024,
Volume and Issue:
44(3)
Published: March 1, 2024
Background
Women
show
increased
prevalence
and
severity
of
migraine
compared
to
men.
Whether
small
molecule
calcitonin
gene-related
peptide
receptor
(CGRP-R)
antagonists
(i.e.,
gepants)
monoclonal
antibodies
targeting
either
the
CGRP-R
or
CGRP
might
sexually
dimorphic
outcomes
for
acute
preventive
therapy
has
not
been
established.
Methods
We
conducted
a
subpopulation
analysis
available
published
data
from
FDA
reviews
evaluate
potential
sex
differences
in
response
rates
ubrogepant,
rimegepant
zavegepant
therapy.
Available
erenumab,
fremanezumab,
galcanezumab
eptinezumab,
approved
atogepant
were
examined
prevention
based
on
patient
sex.
Preventive
analyzed
separately
patients
with
episodic
chronic
migraine.
Results
In
women,
three
gepants
produced
statistically
significant
drug
effects
regardless
dose
tested
mandated
co-primary
endpoints,
proportion
achieving
two-hour
pain-freedom
free
their
most
bothersome
symptom
at
two
hours
post-dose.
average
placebo-subtracted
was
9.5%
(CI:
7.4
11.6)
numbers
needed
treat
11.
The
also
women.
gepant
drugs
did
reach
endpoint
men,
an
effect
2.8%
−2.5
8.2)
number
36.
For
freedom
post-dose
endpoint,
male
patients.
treatment
each
studies
always
numerically
greater
women
than
evaluation
using
change
specified
primary
(e.g.,
monthly
days),
observed
almost
favored
over
placebo
both
similar
men
treated
group.
Conclusion/Interpretation:
Small
are
effective
but
do
demonstrate
effectiveness
CGRP-targeting
therapies
female
possible
remain
uncertain.
patients,
CGRP/CGRP-R
similarly
effective.
highlight
differential
targeted
different
populations
need
understanding
neurobiology
The Journal of Headache and Pain,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: April 24, 2024
Sexual
dimorphism
has
been
revealed
for
many
neurological
disorders
including
chronic
pain.
Prelicinal
studies
and
post-mortem
analyses
from
male
female
human
donors
reveal
sexual
of
nociceptors
at
transcript,
protein
functional
levels
suggesting
different
mechanisms
that
may
promote
pain
in
men
women.
Migraine
is
a
common
female-prevalent
disorder
characterized
by
painful
debilitating
headache.
Prolactin
neurohormone
circulates
higher
females
implicated
clinically
migraine.
sensitizes
sensory
neurons
mice,
non-human
primates
humans
revealing
female-selective
mechanism
conserved
evolutionarily
likely
translationally
relevant.
produces
migraine-like
behaviors
rodents
enhances
the
release
calcitonin
gene-related
peptide
(CGRP),
neurotransmitter
causal
promoting
migraine
patients.
CGRP,
like
prolactin,
behaviors.
Consistent
with
these
observations,
publicly
available
clinical
data
indicate
small
molecule
CGRP-receptor
antagonists
are
preferentially
effective
treatment
acute
therapy
Collectively,
observations
support
conclusion
qualitative
sex
differences
providing
opportunity
to
tailor
therapies
based
on
patient
improved
outcomes.
Additionally,
should
be
considered
design
trials
as
well
reassessment
past
warranted.
The Journal of Headache and Pain,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: March 26, 2023
Abstract
Background
The
world
faces
severe
challenges
from
migraine
and
tension-type
headache
(TTH),
which
cause
grave
disability
to
patients
place
a
heavy
burden
on
their
caregivers.
However,
headaches
in
specific
individual
regions
have
rarely
been
investigated.
Therefore,
we
aimed
fully
analyse
describe
the
current
status
changing
trends
TTH
non-high-income
East
Southeast
Asia
provide
more
detailed
real-world
information
for
policy-making.
Methods
data
used
analysis
were
all
extracted
Global
Burden
of
Disease
(GBD)
database.
We
adopted
three
major
indicators
disease
burden,
including
prevalence,
incidence,
years
lived
with
(YLD),
two
metrics,
absolute
number
age-standardized
rate,
our
present
study
further
evaluation
by
age
sex.
results
are
presented
form
mean
values
95%
uncertainty
intervals
(UIs).
In
addition,
differences
between
other
regions,
as
well
potential
associations
socioeconomic
background,
explored.
Results
2019,
approximately
195,702,169
291,924,564
Asia,
113,401,792
179,938,449
Asia.
terms
countries
highest
YLD
rate
(ASYR)
was
Thailand
[645
(95%
UI:
64
1,554)].
ASYR
Indonesia
[54
15
197)].
Furthermore,
people
ages
40
44,
especially
females,
identified
main
population
that
suffered
TTH.
Unfortunately,
did
not
observe
significant
association
background.
Conclusions
To
date,
threats
still
serious
ongoing,
leading
prominently
negative
impacts
daily
life
work
local
residents.
full
attention
sound
guidelines
urgently
needed
obtain
greater
advantages
fighting
against
disorders
future.
The Journal of Headache and Pain,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: April 5, 2024
Abstract
Background
The
Global
Burden
of
Disease
(GBD)
study
is
increasingly
well
informed
with
regard
to
headache
disorders,
but
sub-Saharan
Africa
(SSA)
remains
one
the
large
regions
world
limited
data
directly
derived
from
population-based
studies.
Campaign
against
Headache
has
conducted
three
studies
in
this
region:
Ethiopia
east,
Zambia
south
and
Cameroon
Central
SSA.
Here
we
report
a
similar
Benin,
first
West
Methods
We
used
same
methods
questionnaire,
applying
cluster-randomized
sampling
country,
randomly
selecting
households
each
region,
visiting
these
unannounced
adult
member
(aged
18–65
years)
household.
HARDSHIP
structured
translated
into
African
French,
was
administered
face-to-face
by
trained
interviewers.
Demographic
enquiry
followed
diagnostic
questions
based
on
ICHD-3
criteria.
Results
From
2,550
eligible
members,
recruited
2,400
participants
(participating
proportion
94.1%).
ever
reported
almost
all
(95.2%),
being
lifetime
prevalence.
last
year
74.9%.
Age-,
gender-
habitation-adjusted
estimates
1-year
prevalence
were
72.9%
for
headache,
21.2%
migraine
(including
definite
probable),
43.1%
TTH
(also
including
4.5%
probable
medication-overuse
(pMOH)
3.1%
other
≥
15
days/month.
One-day
(point)
14.8%
according
day
preceding
interview.
Conclusions
Overall,
findings
are
evidence
that
disorders
very
common
low-income
country.
pMOH,
above
estimated
global
mean
1–2%,
poverty
not
bar
medication
overuse.
much
as
those
its
near
neighbour,
Cameroon.
With
migraine,
they
reasonably
accord
two
earlier
selected
Beninese
populations,
which
did
take
account
migraine.
This
adds
hitherto
knowledge
Journal of Neuroscience,
Journal Year:
2023,
Volume and Issue:
43(15), P. 2803 - 2814
Published: March 10, 2023
The
detection
of
environmental
temperatures
is
critical
for
survival,
yet
inappropriate
responses
to
thermal
stimuli
can
have
a
negative
impact
on
overall
health.
physiological
effect
cold
distinct
among
somatosensory
modalities
in
that
it
soothing
and
analgesic,
but
also
agonizing
the
context
tissue
damage.
Inflammatory
mediators
produced
during
injury
activate
nociceptors
release
neuropeptides,
such
as
calcitonin
gene-related
peptide
(CGRP)
substance
P,
inducing
neurogenic
inflammation,
which
further
exasperates
pain.
Many
inflammatory
induce
sensitization
heat
mechanical
but,
conversely,
inhibit
responsiveness,
identity
molecules
pain
peripherally
enigmatic,
are
cellular
molecular
mechanisms
altering
sensitivity.
Here,
we
asked
whether
inflammation
via
nociceptive
ion
channels
TRPV1
(vanilloid
subfamily
transient
receptor
potential
channel)
TRPA1
(transient
ankyrin
1)
lead
mice.
Specifically,
tested
sensitivity
mice
after
intraplantar
injection
lysophosphatidic
acid
or
4-hydroxy-2-nonenal,
finding
each
induces
dependent
cold-gated
channel
melastatin
8
(TRPM8).
Inhibition
CGRP,
toll-like
4
(TLR4)
signaling
attenuates
this
phenotype,
neuropeptide
produces
TRPM8-dependent
directly.
Further,
inhibition
CGRP
TLR4
alleviates
allodynia
differentially
by
sex.
Last,
induced
both
neuropeptides
requires
TRPM8,
well
neurotrophin
artemin
its
GDNF
α3
(GFRα3).
These
results
consistent
with
artemin-induced
requiring
demonstrating
alters
localized
GFRα3
TRPM8.SIGNIFICANCE
STATEMENT
generate
complex
diverse
array
pain-producing
generated
act
sensitize
peripheral
sensory
neurons,
thereby
Here
identify
specific
neuroinflammatory
pathway
involving
TRPM8
cation
M
member
8)
(GDNF
α3)
leads
pain,
providing
select
targets
therapies
modality.
Pain and Therapy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 11, 2024
Abstract
Introduction
Migraine
is
a
prevalent
neurological
disorder
causing
significant
disability
worldwide.
Despite
extensive
research
on
specific
populations,
comprehensive
analyses
of
global
trends
are
remains
limited.
Methods
We
extracted
incidence,
prevalence,
and
disability-adjusted
life
years
(DALYs)
data
for
migraine
from
the
Global
Burden
Disease
2021
database.
Trends
were
analyzed
across
regions,
age
groups,
sexes,
sociodemographic
index
(SDI)
using
estimated
annual
percentage
changes
(EAPC).
Predictive
models
(ARIMA)
used
to
forecast
2050.
Results
From
1990
2021,
burden
significantly
increased:
prevalence
increased
by
58.15%,
732.56
million
1.16
billion
cases,
incidence
42.06%.
The
DALYs
also
58.27%.
There
differences
between
sexes:
female
individuals
had
higher
absolute
rates
but
male
exhibited
four-
five-fold
more
rapid
increase
than
in
these
parameters.
Adolescents
(<
20
old)
have
fastest
growth
DALYs.
Regionally,
high
SDI
regions
having
highest
age-standardized
rate
(ASR)
low
lowest
ASR
East
Asia
Latin
America
most
increases
burden,
whereas
Southeast
pronounced
decrease.
analysis
suggests
will
continue
rise
until
2050,
particularly
among
adolescents.
Conclusions
has
escalated
with
bearing
greater
showing
faster
rate.
face
rapidly
rising
prevalence.
Disparities
countries,
sexes
emphasize
need
targeted
public
health
strategies.
Focused
interventions
required
mitigate
growing
impact
migraines
health,
The Journal of Headache and Pain,
Journal Year:
2025,
Volume and Issue:
26(1)
Published: Jan. 3, 2025
Migraine
is
a
common
primary
headache
disorder,
less
frequently
affecting
men
than
women,
and
often
regarded
as
predominantly
"women's
disease."
Despite
this,
migraine
in
presents
with
unique
characteristics
terms
of
symptoms,
treatment
responses,
comorbidities,
pain
perception.
Historically,
research
has
focused
more
on
overlooking
critical
male-specific
aspects.
This
review
delves
into
the
epidemiology,
clinical
presentation,
particular
challenges
diagnosing
managing
men.
It
addresses
sex-specific
triggers,
hormonal
influences,
comorbid
conditions
prevalence
severity
Additionally,
evaluates
current
therapeutic
strategies,
underscoring
necessity
for
individualized
approaches.
Men
exhibit
atypical
symptoms
compared
to
ICHD-3
criteria
are
likely
report
associated
symptoms.
They
also
tend
have
fewer
psychological
respond
favorably
pharmacological
treatments,
yet
seek
medical
support.
The
reasons
these
sex
disparities
complex,
involving
biological,
psychosocial,
cultural
factors,
such
brain
structural
differences,
differences
functional
responses
painful
stimuli,
effects,
behavioral
influences
like
adherence
masculine
norms
stigma.
underrepresented
research.
In
contrast,
preclinical
studies
focus
solely
male
animals
result
various
misconceptions.
disparity
necessitates
greater
aspects
enhance
diagnosis,
treatment,
Addressing
stigma,
increasing
healthcare
access,
ensuring
balanced
gender
representation
future
crucial
comprehensive
understanding
effective
management
all
patients.
Mersin Üniversitesi Tıp Fakültesi Lokman Hekim Tıp Tarihi ve Folklorik Tıp Dergisi,
Journal Year:
2025,
Volume and Issue:
15(1), P. 323 - 329
Published: Jan. 29, 2025
Aim:
The
purpose
of
this
study
was
to
determine
the
prevalence
Celiac
disease
in
pediatric
patients
presenting
with
headache.
However,
little
is
known
about
co-morbidity
and
To
our
knowledge,
first
prospective
that
systematically
reviews
topic.
Method:
Two
hundred
forty
four
referred
Pediatric
neurology
clinic
Adıyaman
University
Training
Research
Hospital
between
January
2021
November
2022
were
examined.
Gender,
age,
type
headache,
serology,
other
laboratory
parameters
cases
meeting
inclusion
criteria
recorded.
Upper
gastrointestinal
endoscopy
performed
on
positive
serology.
Patients
whose
results
compatible
placed
a
gluten-free
diet.
Results:
group
consisted
202
patients,
123
girls
(60.9%).
patients’
mean
age
12.67±3.524
years.
Tension-type
headache
determined
121
(59.9%)
patient
group,
migraine
81
(40.1%).
detected
5.4%.
Vitamin
B12
211±79.1
pg/ml,
ferritin
19.5±13.9
ng/mL,
vitamin
D
17.6±9.86
ng/ml
(n=193).
Interestingly,
all
who
diagnosed
reported
complaints
decreased
diet,
no
statistically
significant
correlation
found
any
finding
type.
Conclusion:
Although
it
still
controversial
whether
common
children
celiac
disease,
showed
neurological
symptoms
improved
after
diet
disease.
should
be
investigated
persistent
despite
pharmacological
treatment.