Epigenetic remodeling by sex hormone receptors and implications for gender affirming hormone therapy
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: May 8, 2025
Sex
differences
in
immune
system
development
and
response
to
pathogens
has
been
well
documented,
with
females
exhibiting
more
favorable
outcomes
for
certain
infections
but
a
higher
incidence
of
autoimmune
disease
compared
males.
At
least
some
these
sex
are
mediated
by
hormones,
which
signal
through
hormone
receptors
remodel
the
regulatory
chromatin
landscape
cells.
Here,
we
summarize
current
knowledge
how
structure
epigenetic
marks
different
contexts
humans.
As
epigenome
is
fundamental
specifying
cell
identity
function,
reflects
past
exposures,
variation
can
influence
cellular
responses
future
stimuli.
This
implications
susceptibility
infection
complex
inflammatory
range
therapy
settings,
including
gender-affirming
transgender
people.
Therefore,
profiling
context
an
important
unexplored
field
research.
Language: Английский
17β-Estradiol (E2) Upregulates the ERα/SIRT1/PGC-1α Signaling Pathway and Protects Mitochondrial Function to Prevent Bilateral Oophorectomy (OVX)-Induced Nonalcoholic Fatty Liver Disease (NAFLD)
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(12), P. 2100 - 2100
Published: Dec. 12, 2023
Premature
menopause
is
associated
with
an
increased
prevalence
of
nonalcoholic
fatty
liver
disease
(NAFLD).
Menopausal
hormone
therapy
(MHT)
has
been
widely
used
in
clinical
practice
and
the
potential
to
protect
mitochondrial
function
alleviate
NAFLD.
After
bilateral
oophorectomy
(OVX),
female
rats
without
17β-estradiol
(E2)
intervention
developed
NAFLD,
whereas
E2
supplementation
was
effective
preventing
NAFLD
rats.
The
altered
pathways
cellular
events
from
both
comparison
pairs,
namely,
OVX
vs.
sham
group
group,
were
assessed
using
transcriptomic
analysis.
KEGG
enriched
by
metabolomic
analyses
strongly
suggest
that
oxidative
phosphorylation
a
vital
pathway
changes
during
development
remains
unchanged
when
applied.
Liver
tissue
OVX-induced
exhibited
lipid
peroxidation,
impaired
mitochondria,
downregulated
ERα/SIRT1/PGC-1α
expression.
An
vitro
study
indicated
protective
effect
treatment
on
hepatic
steatosis
could
be
abolished
ERα
or
SIRT1
selectively
inhibited.
This
damage
accompanied
reduced
complex
activity
peroxidation.
current
research
indicates
upregulates
signaling
protects
prevent
Language: Английский
Exploring the active ingredients and mechanisms of Liujunzi decoction in treating hepatitis B: a study based on network pharmacology, molecular docking, and molecular dynamics simulations
Qing Ma,
No information about this author
Wenjun Li,
No information about this author
Wenying Wu
No information about this author
et al.
Computer Methods in Biomechanics & Biomedical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 25
Published: Nov. 13, 2024
Liujunzi
decoction
(LJZD)
is
commonly
used
to
treat
hepatitis
B
virus
(HBV),
though
its
active
ingredients
and
mechanisms
are
not
fully
known.
This
study
identified
core
targets
components
of
LJZD
for
treating
(HB)
through
network
pharmacology,
molecular
docking,
dynamics
simulation.
Screening
from
databases
yielded
533
components,
2619
LJZD,
2910
HB,
with
891
intersecting
targets.
STRING
CytoHubba
analyses
AR
VDR
as
targets,
key
pathways
including
PI3K-Akt
MAPK.
The
findings
clarify
LJZD's
multicomponent,
multitarget
mechanisms,
supporting
clinical
application
HB
treatment.
Language: Английский
HLA-DR genetic polymorphisms and hepatitis B virus mutations affect the risk of hepatocellular carcinoma in Han Chinese population
Virology Journal,
Journal Year:
2023,
Volume and Issue:
20(1)
Published: Nov. 30, 2023
Abstract
Background
Human
leucocyte
antigen
(
HLA
)
-DR
plays
a
crucial
role
in
the
immune
response
against
hepatitis
B
virus
(HBV).
We
aimed
to
investigate
associations
of
HLA-DR
single
nucleotide
polymorphisms
(SNPs)
with
generation
hepatocellular
carcinoma
(HCC)-related
HBV
mutations.
The
effects
SNPs
and
their
interactions
mutations
on
HCC
risks
were
also
determined.
Methods
Five
(rs3135363,
rs9268644,
rs35445101,
rs24755213,
rs984778)
genotyped
792
healthy
controls,
586
chronic
(CHB)
patients,
536
liver
cirrhosis
(LC)
1500
patients
using
quantitative
PCR.
Sanger
sequencing
was
used
identify
Logistic
regression
model
performed
evaluate
association
risk
frequencies
HCC-related
Results
variant
genotypes
at
rs3135363,
rs984778
associated
decreased
risks.
In
genotype
C
HBV-infected
subjects,
these
such
as
C1653T,
T1674C/G,
G1719T,
T1753A/C,
A1762T/G1764A,
A1846T,
G1896A,
G1899A,
preS
deletion.
AG
CA
rs24755213
reduced
T1753A/C
G1896A
respectively.
addition,
HCC.
Conclusions
genetic
might
predispose
host
immunoselection
affect
possibly
through
interacting
Language: Английский
Machine Learning and Experimental Validation Identified Ferroptosis Signature and Innovative Biomarkers (ESR1 and GSTZ1) in Liver Fibrosis
Wen Luo,
No information about this author
Hong-Wen Wu,
No information about this author
Zhijie Yang
No information about this author
et al.
Journal of Inflammation Research,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 10313 - 10332
Published: Dec. 1, 2024
Background:
Targeting
ferroptosis
is
an
effective
approach
to
mitigate
hepatic
fibrosis,
yet
no
reports
exist
on
the
signature
in
liver
fibrosis.
This
study
aimed
explore
characteristics
this
disease.
Methods:
RNAseq
data
from
GSE6764,
GSE188604
and
Cancer
Genome
Atlas
Liver
Hepatocellular
Carcinoma
(TCGA-LIHC)
were
downloaded.
Multiple
machine
learning
methods,
including
Weighted
Gene
Co-expression
Network
Analysis
(WGCNA),
Random
Forest
(RF)
Support
Vector
Machine
(SVM),
used
identify
core
genes
fibrosis
ferroptosis.
WGCNA
can
pinpoint
modules
linked
clinical
traits,
aiding
discovering
diagnostic
progression
molecules
complex
diseases.
RF
SVM
are
often
utilized
for
validation
boost
result
accuracy.
Carbon
tetrachloride
(CCl4)
was
establish
a
mouse
model
validate
gene
expression,
which
also
assessed
test
GEO
datasets.
Finally,
role
of
hepatocellular
carcinoma
(HCC)
investigated
using
ROC
analysis.
Results:
methods
screened
nine
genes,
IL1B,
GSTZ1,
LIFR,
SLC25A37,
PTGS2,
MT1G,
HSPB1,
ESR1,
PHGDH.
In
vivo
experimental
validation,
RT-PCR
showed
ESR1
GSTZ1
significantly
under-expressed
group
compared
normal
group.
Simultaneously,
GSE6764
GSE188604,
identified
as
protective
More
in-depth
research
found
that
exhibited
good
performance
both
HCC,
suggesting
persistent
decrease
patients
might
signal
HCC.
Conclusion:
The
present
first
report
identifies
two
novel
biomarkers,
providing
new
insights
diagnosis
treatment
future.
Keywords:
ferroptosis,
biomarker
Language: Английский