Progress
in
detecting
and
understanding
endometrial
conditions
women
of
fertile
age,
such
as
endometriosis,
has
been
hampered
by
the
invasiveness
sample
collection
procedure.
Menstrual
fluid
(MF)
can
be
sampled
non-invasively
could
provide
a
unique
opportunity
to
study
physiological
state
tissues
reproductive
system.
Despite
this
potential,
use
MF
for
diagnostics
research
limited.
Here
we
establish
protocols
assess
feasibility
collecting
processing
an
outpatient
setting.
We
characterize
cellular
contents
from
15
healthy
using
flow
cytometry
single-cell
RNA-sequencing,
demonstrate
ability
recover
millions
live
cells
different
fractions
interest
(epithelial,
stromal,
endothelial,
perivascular
blood).
Through
computational
integration
with
samples
show
that
sampling
is
good
surrogate
biopsy.
In
proof-of-principle
case-control
study,
collect
further
7
diagnosis
endometriosis
11
controls.
RNA
sequencing
93
these
highlight
important
differences
between
ex
vivo
cultured
cells,
identify
impaired
decidualisation,
low
apoptosis,
high
proliferation,
both
higher
lower
inflammatory
activity
subsets
immune
distinguishing
features
patients.
Finally,
potential
novel
pan-cell-type
biomarkers
neglected
condition.
Trends in Molecular Medicine,
Journal Year:
2024,
Volume and Issue:
30(9), P. 875 - 889
Published: July 10, 2024
Endometriosis
is
a
common
disorder
associated
with
pain,
gastrointestinal
and
urinary
symptoms,
infertility,
fatigue.
It
defined
by
the
presence
of
endometrial-like
lesions
found
predominantly
in
pelvis.
Mechanisms
that
contribute
to
disease
aetiology
include
changes
hormonal,
inflammatory,
pain
pathways.
In
this
article,
we
focus
on
recent
developments
imaging
technologies,
our
improved
understanding
mechanisms
contributing
drug
therapies
are
clinical
trials,
insights
from
studies
gut
offer
potential
support
self-management
strategies.
We
postulate
improvements
quality
life
patients
will
be
accelerated
reframing
endometriosis
as
multi-system
learning
treatments
targeting
symptoms
shared
between
endometriosis,
neuroinflammatory,
disorders.
Frontiers in Endocrinology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 10, 2025
Endometriosis,
the
most
prevalent
cause
of
infertility,
is
associated
with
anatomical
distortion
leading
to
adhesions
and
fibrosis,
as
well
endocrine
abnormalities
immune
disorders.
This
review
discusses
mechanisms
underlying
endometriosis-related
infertility.
Firstly,
alterations
in
hypothalamic-pituitary-ovarian
axis
lead
secretion
gonadotropins
steroid
hormones,
adverse
effects
on
ovulation
implantation,
fertility
decline.
Secondly,
dysregulation
hypothalamic-pituitary-adrenal
induces
elevated
serum
cortisol
prolactin
levels
patients
endometriosis,
accounting
for
its
regulation
stress,
depression,
anxiety.
Abnormal
interactions
between
endometrial
cells
system
change
local
microenvironment,
resulting
epithelial-mesenchymal
transition
inflammation.
Activated
epithelial
cells,
stromal
immunocytes
produce
various
chemokines,
cytokines,
or
autoantibodies,
creating
an
unfavorable
environment
embryo
implantation.
These
findings
suggest
that
spectrum
play
a
crucial
role
Thirdly,
oxidative
stress
has
ovarian
reserve
subsequent
embryonic
development,
predicting
another
promising
strategy
An
unbalanced
redox
state,
including
impaired
mitochondrial
function,
dysregulated
lipid
metabolism,
iron-induced
generates
pro-oxidative
which
negatively
impacts
oocyte
quality
sperm
viability.
Thus,
updated
understanding
involved
this
disease
will
help
develop
effective
strategies
manage
Reproduction and Fertility,
Journal Year:
2024,
Volume and Issue:
5(2)
Published: April 1, 2024
Graphical
abstract
Abstract
Endometriosis
is
a
chronic
inflammatory
condition
affecting
one
in
ten
women
and
those
assigned
female
at
birth,
defined
by
the
presence
of
endometrial-like
tissue
outside
uterus.
It
commonly
associated
with
pain,
infertility,
mood
disorders,
often
comorbid
other
pain
conditions,
such
as
irritable
bowel
syndrome.
Recent
research
has
identified
key
role
for
microbiota–gut–brain
axis
health
range
neurological
prompting
an
exploration
its
potential
mechanistic
endometriosis.
Increased
awareness
impact
gut
microbiota
within
patient
community,
combined
often-detrimental
side
effects
current
therapies,
motivated
many
to
utilise
self-management
strategies,
dietary
modification
supplements,
despite
lack
robust
clinical
evidence.
Current
characterised
endometriosis
patients
animal
models.
However,
small
cohorts
differing
methodology
have
resulted
little
consensus
on
data.
In
this
narrative
review,
we
summarise
studies
that
investigated
their
metabolic
products
development
progression
lesions,
before
summarising
insights
from
into
co-morbid
conditions
discussing
reported
strategies
symptoms
Finally,
suggest
ways
which
promising
field
could
be
expanded
explore
specific
bacteria,
improve
access
‘microbial’
phenotyping,
develop
personalised
advice
reduction
bloating.
Lay
Summary
tissue,
similar
womb
lining,
growing
womb.
Symptoms
include
pelvic
period
during
sex
when
going
toilet,
digestive
disturbance
bloating,
depression,
anxiety.
Standard
treatments,
including
surgery
hormone-altering
drugs,
negative
effects.
Many
use
control
symptoms,
changing
diet
or
taking
supplements.
Although
some
reports
are
helpful,
there
limited
high-quality
evidence
support
use.
Here,
discuss
how
adaptations
impacting
endometriosis-associated
via
changes
bacteria
gut.
Gut
communicate
brain
influence
inflammation
throughout
body.
Therefore,
altering
through
can
potentially
benefit
variety
symptoms.
mSystems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
ABSTRACT
Endometriosis
(EM)
and
adenomyosis
(AM)
are
interrelated
gynecological
disorders
characterized
by
the
aberrant
presence
of
endometrial
tissue
frequently
linked
with
chronic
pelvic
pain
infertility,
yet
their
pathogenetic
mechanisms
remain
largely
unclear.
In
this
cross-sectional
study,
we
analyzed
samples
from
244
participants,
split
into
91
EM
patients,
56
AM
97
healthy
controls
(HC).
We
conducted
untargeted
liquid
chromatography-mass
spectrometry
(LC-MS)
5R
16S
rRNA
sequencing
to
examine
metabolome
microbiome
profiles.
Additionally,
integrated
transcriptomic
analysis
using
nine
data
sets
investigate
biological
basis
these
conditions.
Metabolomic
profiling
revealed
distinct
metabolic
microbial
signatures.
Specific
pathways,
including
linoleic
acid
glycerophospholipid
metabolism,
show
significant
alterations
in
both
Notably,
four
metabolites,
phosphatidylcholine
40:8
[PC(40:8)],
exhibited
marked
changes
AM,
suggesting
shared
pathological
features.
Furthermore,
taxonomic
identified
unique
bacterial
species
associated
each
condition,
particularly
those
belonging
phylum
Proteobacteria,
which
correlated
altered
Machine
learning
models
demonstrated
high
predictive
accuracy
for
differentiating
between
EM,
HC
based
on
Integrative
highlighted
pathways
related
immune
response
signaling
transduction
condition.
Our
study
provides
fresh
insights
pathogenesis
through
a
multi-omic
approach,
potential
inconsistencies
underlying
mechanisms.
IMPORTANCE
Existing
research
connection
endometriosis
(AM),
underscoring
overlapping
symptoms
pathophysiological
Although
role
microbiota
inflammatory
conditions
has
been
acknowledged,
comprehensive
investigations
cases
have
limited.
Previous
studies
communities
conditions;
however,
they
were
constrained
small
sample
sizes
lack
analyses
metabolomics.
ongoing
debate
over
whether
should
be
classified
as
separate
diseases
or
phenotypes
emphasizes
necessity
further
exploration
molecular
interactions.
uncovers
signatures
revealing
that
may
contribute
pathogenesis.
integration
offers
valuable
complex
interactions
disorders.
American Journal of Reproductive Immunology,
Journal Year:
2025,
Volume and Issue:
93(4)
Published: April 1, 2025
ABSTRACT
Problem
Immunological
abnormalities
are
well
recognized
in
the
pathogenesis
of
endometriosis
and
co‐existence
with
inflammatory
bowel
disease
(IBD)
celiac
(CD),
along
other
systemic
immune
disorders,
is
clinically
relevant.
Recent
genetic
studies
revealed
some
shared
traits
associated
co‐occurrence
different
gastrointestinal
or
autoimmune
highlighting
common
biological
pathways.
Since
class
II
human
leukocyte
antigen
(HLA)
genes,
HLA‐DQ2
‐DQ8,
show
strongest
best‐characterized
susceptibility
for
CD,
present
study
aims
to
explore
presence
these
haplotypes
non‐celiac
patients
endometriosis.
Method
Study
A
group
(
n
=
126)
participated
were
compared
healthy
women
379),
as
controls.
Subjects
who
diagnosed
CD
tested
positive
antibodies
excluded.
All
controls
genotyped
HLA
predisposing
(DQ2,
DQ8).
In
DQ2
and/or
DQ8,
symptoms
also
investigated.
Results
At
least
one
‐DQ8
genotypes
was
detected
43.3%
(OR:
1.82,
95%
CI:
1.11–2.81),
whereas
29.5%
p
<
0.01)
presented
CD.
patients,
no
significant
difference
shown
between
negative
terms
phenotype,
gynecological,
non‐gynecological
symptoms.
Conclusions
Our
data
a
significantly
greater
prevalence
endometriosisthan
subjects,
suggesting
that
background
may
explain
BMC Medicine,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Dec. 5, 2023
Abstract
Background
Endometriosis
affects
1
in
9
women,
yet
it
is
poorly
understood
with
long
diagnostic
delays,
invasive
diagnoses,
and
poor
treatment
outcomes.
Characterised
by
the
presence
of
endometrial-like
tissue
outside
uterus,
its
main
symptoms
are
pain
infertility.
often
co-occurs
other
conditions,
which
may
provide
insights
into
origins
endometriosis.
Methods
Here
a
polygenic
risk
score
phenome-wide
association
study
endometriosis
was
conducted
UK
Biobank
to
investigate
pleiotropic
effects
genetic
liability
The
relationship
between
for
health
blood
urine
biomarkers
reproductive
factors
were
investigated
separately
females,
males
females
without
an
diagnosis.
further
using
correlation
Mendelian
randomisation
approaches
identify
causal
relationships.
Results
Multiple
associated
each
group,
indicating
many
comorbidities
not
dependent
on
physical
manifestation
Differences
traits
highlighted
importance
sex-specific
pathways
overlap
traits.
Notably,
lower
testosterone
levels
identified.
Follow-up
analysis
utilising
suggested
be
both
clear
cell
ovarian
cancer.
Conclusions
This
highlights
diversity
irrespective
diagnosis
A
key
finding
identification
effect
randomisation.
Vestnik ohrany materinstva i mladenčestva.,
Journal Year:
2025,
Volume and Issue:
1(3), P. 10 - 24
Published: Jan. 13, 2025
Summary.
Endometriosis
is
a
chronic
multifactorial
disease
that
affects
more
than
170
million
women
of
reproductive
age
worldwide,
causing
pelvic
pain
syndrome,
dyspareunia,
and
symptoms
gastrointestinal
dyspepsia,
thereby
having
negative
impact
on
the
psycho-emotional
state
patients.
Despite
wide
range
medical
surgical
treatments,
relapse
rate
reaches
50%,
which
global
economic
social
problem.
The
purpose
study.
to
evaluate
mutual
influence
clinical
manifestations
intestinal
disorders
microbiota
in
patients
with
deep
endometriosis.
Materials
methods.
study
included
83
who
underwent
treatment
common
forms
external
genital
first
group
consisted
32
repeated
due
infiltrative
endometriosis,
second
—
51
without
one
year
after
primary
operation,
third
30
age.
not
suffering
from
An
analysis
somatic
anamnesis
was
carried
out,
as
well
questionnaire
data
visual
analogue
scale
(VAS)
functional
bowel
infiltrating
depending
status
disease.
composition
assessed
by
quantitative
real-time
PCR
using
test
system
for
determining
DNA
intestinal-associated
microorganisms.
Results
discussion.
results
demonstrate
bidirectional
relationships
between
microbiological
parameters
recurrent
course
Patients
main
significantly
often
suffered
diseases
tract,
spectrum
represented
gastritis
irritable
syndrome.
Correlation
indicators
Bacillota
domain
anamnestic
pathology,
values
scales
endometriosis
moderate
positive
weight
number
Lachnospiraceae
(r
=
0.63299),
bloating
Streptococcus
spp
(r=0.67402).
Bacteroidota
corresponding
strong
amount
E.Coli
level
VAS
1
0.62366)
3
months
0.
72598)
surgery.
Moderate
correlations
were
revealed
Enterobacterales
(r=0.58169)
(r=0.57706)
Conclusions.
accompanied
disorders,
persist
treatment,
mediated
changes
microbiota.
In
decrease
species
taxonomic
diversity
found,
an
increase
Bacillota/Bacteroidota
ratio,
pathobionts,
commensal
bacteria
genus
Bifidobacterium
spp.
These
parallels
need
harmonize
comprehensive
prevention
relapse.
The FASEB Journal,
Journal Year:
2025,
Volume and Issue:
39(5)
Published: March 1, 2025
Abstract
Endometriosis,
characterized
by
the
growth
of
uterine‐like
tissue
outside
uterus,
causes
chronic
pain
and
infertility.
Current
diagnostic
therapeutic
strategies
have
notable
limitations,
including
delayed
diagnosis
adverse
effects.
The
transcription
factor
forkhead
box
A2
(FOXA2),
which
is
exclusively
expressed
in
uterine
glandular
epithelium,
regulates
key
genes
involved
endometrial
proliferation,
differentiation,
fertility,
hormone
response.
While
FOXA2
expression
reduced
women
with
endometriosis,
its
pathophysiological
role
disease
not
well
understood.
In
this
study,
we
report
that
endometriosis
significantly
eutopic
endometrium
mice
compared
to
sham
controls,
accompanied
decreased
downstream
gene,
CXCL15.
To
evaluate
effect
loss
surgically
induced
transplanting
control
Rosa26
mTmG/+
or
Pgr
cre/+
Foxa2
f/f
(
d/d
)
into
peritoneal
cavity
mice.
number
weight
ectopic
lesions
were
increased
controls.
Furthermore,
progesterone
receptor
was
epithelium
from
lesions.
Importantly,
treatment
leukemia
inhibitory
(LIF),
a
cytokine
regulated
FOXA2,
lesion
formation
vehicle‐treated
This
study
demonstrates
results
an
increase
incidence
LIF
offers
novel
promising
approach
for
endometriosis.
Meditsinskiy sovet = Medical Council,
Journal Year:
2025,
Volume and Issue:
5, P. 126 - 135
Published: May 4, 2025
Introduction.
Genital
endometriosis
makes
the
“top
three”
gynecologic
disorders
and
is
of
high
social
significance.
According
to
various
authors,
from
30
50%
patients
with
suffer
infertility.
As
today,
there
are
many
theories
describing
occurrence
endometriosis-associated
infertility,
however,
no
direct
evidence
infertility
due
endometriosis.
Aim.
To
carry
out
a
detailed
analysis
medical-biological
clinical-anamnestic
features
genital
depending
on
presence
or
absence
Materials
methods.
This
study
included
395
(132
women
concomitant
263
–
without
infertility).
The
diagnosis
was
established
based
results
morphological
examination
after
surgical
treatment.
Results.
It
found
that
among
early
reproductive
age
(from
20
35
years
old,
56.06%)
body
weight
deficiency
prevailed.
group
characterized
by
higher
incidence
acute
pelvic
pain
(1.9
times),
premenstrual
syndrome
(1.8
constipation
(1.3
earlier
sexual
debut
(14
18
years).
A
single
abortion
more
often
recorded;
an
artificially
performed
abortions
years,
revealed;
sexually
transmitted
diseases
(STDs)
were
registered
(2.7
times)
than
in
Surgical
interventions
ovaries
individuals
3.2
times
frequent,
ectopic
pregnancies
4
frequent.
Conclusion.
conducted
allowed
revealing
significant
differences
biomedical
characteristics
which
should
be
taken
into
account
clinical
management
patients.