Australasian Journal of Dermatology,
Journal Year:
2024,
Volume and Issue:
65(4), P. 319 - 327
Published: Feb. 28, 2024
Abstract
Background
Numerous
inflammatory
skin
diseases
are
associated
with
the
gut
microbiota.
Studies
of
association
between
microbiota
and
have
yielded
conflicting
results
owing
to
confounding
factors,
causal
relationship
them
remains
undetermined.
Methods
Two‐sample
Mendelian
randomization
(MR)
was
used
examine
four
common
diseases:
acne,
psoriasis,
urticaria
atopic
dermatitis.
The
summary
statistics
from
largest
available
genome‐wide
study
meta‐analysis
(
n
=
13,266)
conducted
by
MiBioGen
consortium
along
were
obtained
FinnGen
consortium.
Causal
relationships
assessed
using
inverse
variance
weighted
(IVW),
median,
MR‐Egger
maximum
likelihood
methods,
several
sensitivity
analyses
performed
ensure
accuracy
results.
Finally,
reverse
multivariable
MR
verify
robustness
Results
We
found
associations
Bacteroidaceae
[odds
ratio
(OR),
2.25;
95%
confidence
interval
(CI),
1.48–3.42;
p
ivw
0.0001],
Allisonella
(OR,
1.42;
CI,
1.18–1.70;
0.0002)
Bacteroides
0.0001)
Eubacterium
fissicatena
group
psoriasis
1.22;
1.10–1.35;
Intestinibacter
1.28;
1.13–1.45;
0.0001).
These
corrected
for
a
false
discovery
rate.
Sensitivity
validate
confirmed
that
not
influenced
effect.
Conclusion
Our
revealed
some
risk
factors
diseases,
providing
new
information
on
potential
therapeutic
targets.
Additionally,
possible
gut–skin
axis
confirmed.
Further
research
is
required
elucidate
mechanisms
underlying
these
relationships.
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(9), P. 3901 - 3915
Published: June 8, 2024
The
intestinal
mucus
barrier
is
an
important
line
of
defense
against
gut
pathogens.
Damage
to
this
brings
bacteria
into
close
contact
with
the
epithelium,
leading
inflammation.
Therefore,
its
restoration
a
promising
strategy
for
alleviating
This
study
showed
that
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(17), P. 9867 - 9879
Published: April 11, 2024
Dysbiosis
of
gut
microbiota
is
believed
to
be
associated
with
inflammatory
bowel
disease
(IBD).
Ginsenoside
compound
K
(CK),
the
main
metabolite
Panax
ginseng
ginsenoside,
has
proven
effective
as
an
anti-inflammatory
agent
in
IBD.
However,
mechanisms
by
which
CK
modulates
ameliorate
IBD
remain
poorly
understood.
Herein,
demonstrated
potential
suppress
release
proinflammatory
cytokines
modulation.
Notably,
supplementation
promoted
restoration
a
harmonious
balance
microbiota,
primarily
enhancing
populations
Lactobacillus
and
Akkermansia.
Furthermore,
considerably
elevated
concentrations
tryptophan
metabolites
derived
from
that
could
activate
aryl
hydrocarbon
receptor.
Overall,
promising
alleviative
efficacy
stemmed
promotion
growth
production
metabolites,
suggesting
should
regarded
prospective
prebiotic
for
future.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 10, 2024
Postbiotics
are
preparations
of
inanimate
microorganisms
and/or
their
components
that
beneficial
to
host
health.
Compared
with
probiotics,
the
postbiotic
dose
required
for
exerting
obvious
protective
effects
is
unknown.
Thus,
we
conducted
a
dose-dependent
intervention
study
in
dextran
sulfate
sodium
(DSS)-induced
colitis
rats.
The
trial
included
five
rat
groups,
including:
control
without
DSS/postbiotic
treatment,
group
C;
7-day
DSS
D;
14-day
low,
medium,
and
high
probiotic
doses
(0.1,
0.2,
0.4
g/kg;
groups
L,
M,
H,
respectively)
after
induction.
We
found
effectively
mitigated
symptoms
inflammation
rats,
evidenced
by
improved
spleen
index,
less
severe
colon
tissue
damage,
changes
serum
cytokine
levels
(decreases
tumor
necrosis
factor-α
interleukin-1β;
increase
interleukin-10)
compared
D.
Moreover,
therapeutic
effect
was
dose-dependent.
Fecal
metabolomics
analysis
revealed
recipients
had
more
anti-inflammatory
metabolites,
namely,
salicyloyl
phytophingosine,
podophylloxin,
securinine,
baicalein,
diosmetin.
metagenomics
microbes
pro-inflammatory
bacteria.
This
confirmed
postbiotics
effective
alleviating
manner.
Our
findings
interest
food
scientists,
clinicians,
health
industry.
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(8), P. 1053 - 1053
Published: Aug. 9, 2024
Kokusaginine
is
a
bioactive
ingredient
extracted
from
Ruta
graveolens
L.,
which
has
range
of
biological
activities.
Its
pharmacokinetic
(PK)
properties
are
particularly
important
for
clinical
applications;
however,
they
have
not
been
fully
elucidated.
In
addition,
the
effect
sex
differences
on
drug
metabolism
increasingly
being
recognized,
but
most
studies
ignored
this
factor.
This
study
aims
to
fill
knowledge
gap
by
taking
an
in-depth
look
at
PK
kokusaginine
and
how
gender
affects
its
distribution
in
body.
It
also
lays
foundation
development.
study,
sensitive
ultra-high-performance
liquid
chromatography
(UPLC)
method
was
developed
validated
quantifying
Sprague
Dawley
(SD)
rat
plasma
tissue
homogenates.
Metabolic
stability
evaluated
vitro
using
gender-specific
liver
microsomes.
Innovatively,
we
incorporated
as
variable
into
both
vivo
SD
rats,
analyzing
key
parameters
with
Phoenix
8.3.5
software.
The
UPLC
demonstrated
high
sensitivity
precision,
essential
analysis.
Notably,
revealed
pronounced
sex-dependent
metabolic
variability
(p
<
0.05).
vivo,
significantly
affected
Area
Under
Moment
Curve
(AUMC)(0-∞)
parameter
0.05)
AUMC(0-t)
brain
0.0001),
underscoring
necessity
sex-specific
assessments.
calculated
absolute
bioavailability
71.13
±
12.75%
confirmed
favorable
oral
absorption
kokusaginine.
Additionally,
our
innovative
tissue-plasma
partition
coefficient
(Kp)
analysis
highlighted
rapid
uniform
pattern.
presents
sex-inclusive
evaluation
kokusaginine,
offering
novel
insights
profile
distribution.
These
findings
instrumental
informing
medication
practices,
dosage
optimization,
nuanced
understanding
efficacy
safety
context.
MedComm,
Journal Year:
2025,
Volume and Issue:
6(2)
Published: Feb. 1, 2025
Abstract
Bone
marrow
serves
as
the
residence
of
hematopoietic
stem
cells
and
is
recognized
one
most
radiosensitive
tissues.
Exposure
to
acute
radiation
leads
severe
damage
bone
hematopoiesis
which
can
be
fatal,
while
few
clinically
applicable
medication
or
specific
therapeutic
targets
have
been
discovered.
In
this
study,
we
found
that
administration
cannabidiol
significantly
enhanced
individual
survival
restored
reconstitution
capacity
within
14
days
after
irradiation.
Single‐cell
RNA
sequencing
analysis
demonstrated
expression
levels
genes
associated
with
stemness
along
Wnt
BMP
signaling
pathways
were
by
treatment
through
upregulation
Atf2
,
a
transcription
factor
possessing
multifunctional
properties.
induced
potentially
upregulated
Lrp6
improve
cells.
Further
functional
experiments
validated
crucial
role
in
regulating
multilineage
differentiation
potential
progenitor
Overall,
our
findings
provide
evidence
for
promising
radioprotective
function
candidate
target
radiation‐induced
injury,
thereby
paving
way
future
research
field.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Oct. 23, 2023
Background
The
gut
microbiota
has
emerged
as
an
intriguing
and
potentially
influential
factor
in
regulating
bone
health.
However,
the
causal
effect
of
on
mineral
density
(BMD)
appears
to
differ
throughout
various
life
stages.
Methods
We
conducted
a
Mendelian
randomization
(MR)
analysis
investigate
potential
relationship
between
BMD
five
distinct
age
groups:
0–15,
15–30,
30–45,
45–60,
60
years
older.
employed
three
different
methods,
namely
MR-Egger,
weighted
median,
Inverse-variance
weighting,
ensure
robustness
our
findings,
series
sensitivity
analyses
were
also
conducted,
such
horizontal
pleiotropy
tests,
heterogeneity
leave-one-out
tests.
Results
In
group
0–15
years,
Eubacterium_fissicatena
_group
Eubacterium_hallii
identified
risk
factors
for
BMD.
During
15–30
group,
Phascolarctobacterium
,
Roseburia
Ruminococcaceae
_UCG_003
found
be
protective
30–45
Lachnospira
genus
demonstrated
BMD,
while
Barnesiella
Lactococcus
Moving
45–60
Eubacterium_ventriosum
_group,
Lachnospiraceae
_UCG_004,
Subdoligranulum
observed
Eubacterium_coprostanoligenes
Fusicatenibacter
associated
with
increased
individuals
aged
older,
_UCG_002
noted
Conversely,
Eubacterium_ruminantium
Ruminococcus_gauvreauii
Alistipes
Coprococcus
_3
whereas
Sellimonas
Conclusion
A
robust
exists
all
stages
life,
Firmicutes
phylum
being
primary
across
groups.
Gut
linked
primarily
belong
diversity
phyla
depicts
relatively
stable
patterns
during
ages
0–45
years.
45
above,
there
is
increase
number
species
by
trend
toward
Bacteroidetes
categories
proposed.
Journal of Inflammation Research,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 3307 - 3334
Published: May 1, 2024
Abstract:
Inflammatory
bowel
disease
(IBD)
is
a
chronic
inflammatory
of
the
gastrointestinal
tract,
which
has
high
recurrence
rate
and
incurable
due
to
lack
effective
treatment.
Mesenchymal
stromal
cells
(MSCs)
are
class
pluripotent
stem
that
have
recently
received
lot
attention
their
strong
self-renewal
ability
immunomodulatory
effects,
large
number
experimental
clinical
models
confirmed
positive
therapeutic
effect
MSCs
on
IBD.
In
preclinical
studies,
MSC
treatment
for
IBD
relies
paracrine
cell-to-cell
contact,
its
mediated
mitochondrial
transfer
immune
regulation.
It
also
plays
role
in
restoring
intestinal
mucosal
barrier
through
homing
effect,
regulation
microbiome,
repair
epithelial
cells.
latest
trials,
safety
efficacy
been
by
transfusion
autologous
or
allogeneic
bone
marrow,
umbilical
cord,
adipose
MSCs,
as
well
derived
extracellular
vesicles.
However,
regarding
stable
use
several
concerns
emerge,
including
cell
sources,
management
(dose,
route
frequency
administration,
pretreatment
MSCs)
adverse
reactions.
This
article
comprehensively
summarizes
effects
mechanisms
advantages
over
conventional
drugs,
trial
progress
The
current
challenges
future
directions
discussed.
review
would
add
knowledge
into
understanding
applying
MSCs.
Keywords:
mesenchymal
cells,
immunomodulation,
disease,
ulcerative
colitis,
Crohn's
therapy