Postgraduate Medical Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 16, 2024
Abstract
Chronic
constipation
is
a
prevalent
clinical
condition.
Its
etiology
and
pathogenesis
have
not
yet
been
fully
understood.
In
recent
years,
mounting
evidence
suggests
close
association
between
chronic
intestinal
dysbiosis,
including
alterations
in
the
colony
structure
metabolites,
as
well
modulation
of
bowel
movements
via
brain–gut–microbiota
axis.
With
deepening
related
research,
probiotic-related
therapies
are
expected
to
become
potential
first-line
treatment
for
future.
this
review,
we
summarize
current
research
insights
into
intricate
relationships
gut
microbiota
briefly
discuss
several
different
approaches
treating
constipation.
The
findings
from
review
may
advance
our
understanding
pathological
mechanisms
underlying
and,
ultimately,
translate
them
improvements
patient
care.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(11), P. 2730 - 2730
Published: Nov. 8, 2023
A
wide
variety
and
large
number
of
bacterial
species
live
in
the
gut,
forming
gut
microbiota.
Gut
microbiota
not
only
coexist
harmoniously
with
their
hosts,
but
they
also
induce
significant
effects
on
each
other.
The
composition
can
be
changed
due
to
environmental
factors
such
as
diet
antibiotic
intake.
In
contrast,
alterations
have
been
reported
a
diseases,
including
intestinal,
allergic,
autoimmune
diseases
cancer.
metabolize
exogenous
dietary
components
ingested
from
outside
body
produce
short-chain
fatty
acids
(SCFAs)
amino
acid
metabolites.
Unlike
SCFAs
metabolites,
source
bile
(BAs)
produced
by
is
endogenous
BAs
liver.
generate
secondary
acids,
lithocholic
(LCA),
deoxycholic
(DCA),
derivatives,
which
recently
shown
play
important
roles
immune
cells.
This
review
focuses
current
knowledge
role
LCA,
DCA,
derivatives
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: July 26, 2024
Inflammatory
bowel
disease
(IBD)
is
an
idiopathic
and
persistent
inflammatory
illness
of
the
bowels,
leading
to
a
substantial
burden
on
both
society
patients
due
its
high
incidence
recurrence.
The
pathogenesis
IBD
multifaceted,
partly
attributed
imbalance
immune
responses
toward
gut
microbiota.
There
correlation
between
severity
in
oral
microbiota,
which
has
been
discovered
recent
research
highlighting
role
microbes
development
IBD.
In
addition,
various
conditions,
such
as
angular
cheilitis
periodontitis,
are
common
extraintestinal
manifestations
(EIMs)
associated
with
colonic
inflammation.
However,
it
still
unclear
exactly
how
microbiota
contributes
This
review
sheds
light
probable
causal
involvement
intestinal
inflammation
by
providing
overview
evidence,
developments,
future
directions
regarding
relationship
Changes
can
serve
markers
for
IBD,
aiding
early
diagnosis
predicting
progression.
Promising
advances
probiotic-mediated
microbiome
modification
antibiotic-targeted
eradication
specific
pathogens
hold
potential
prevent
Frontiers in Pharmacology,
Journal Year:
2023,
Volume and Issue:
13
Published: Jan. 4, 2023
Introduction:
Bear
bile
powder
(BBP)
is
widely
used
in
the
clinic
and
has
a
hypoglycemic
effect,
but
its
mechanism
not
clear.
Methods:
In
this
study,
type
2
diabetes
mellitus
(T2DM)
rats
induced
by
high-sugar
high-fat
diet
combined
with
streptozotocin
were
given
BBP,
biochemical
indexes,
pathological
sections,
metabonomics,
intestinal
microbiota
(IM)
short-chain
fatty
acids
(SCFAs)
determined.
Results:
The
results
showed
that
BBP
could
reduce
blood
glucose,
relieve
inflammation,
insulin
resistance,
lipid
metabolism
disorder,
alleviate
tissue
damage
of
liver,
spleen,
kidney,
pancreas
T2DM
rats.
It
worth
noting
can
reverse
changes
urine
metabolites
rats,
which
are
mainly
related
to
tryptophan
metabolism,
pentose
glucuronate
interconversions,
starch
sucrose
glycerophospholipid
metabolism.
addition,
restored
IM
disorder
decreased
abundance
Allobaculum
,
Blautia
Dubosiella
Anaerostipes
enriched
Lactobacillus
Romboutsia
UCG-005
norank_f__Eggerthellaceae
increased
concentration
SCFAs
contents.
Discussion:
These
findings
suggest
may
improve
regulating
multiple
metabolic
pathways,
composition,
levels.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(3), P. 1816 - 1816
Published: Jan. 17, 2023
Over
the
past
decades
potential
role
of
gut
microbiome
and
bile
acids
in
type
2
diabetes
mellitus
(T2DM)
has
been
revealed,
with
a
special
reference
to
low
bacterial
alpha
diversity.
Certain
acid
effects
on
bacteria
concern
cytotoxicity,
or
case
microbiome,
bacteriotoxicity.
Reciprocally,
plays
key
regulating
pool
by
influencing
conversion
(de)conjugation
primary
into
secondary
acids.
Three
main
groups
enzymes
responsible
for
are
salt
hydrolases
(BSHs),
hydroxysteroid
dehydrogenases
(HSDHs)
encoded
inducible
(Bai)
operon
genes.
Interventions
such
as
probiotics,
antibiotics
fecal
transplantation
can
impact
levels.
Further
evidence
reciprocal
interaction
between
microbiota
comes
from
multitude
nutritional
interventions
including
macronutrients,
fibers,
prebiotics,
specific
individual
products
diets.
Finally,
anatomical
changes
after
bariatric
surgery
important
because
their
metabolic
effects.
The
heterogeneity
studies,
diseases,
species
(epi)genetic
influences
nutrition
may
challenge
establishing
detailed
that
aim
tackle
Genes,
Journal Year:
2023,
Volume and Issue:
14(4), P. 825 - 825
Published: March 29, 2023
Bile
acids
(BAs)
are
amphiphilic
steroidal
molecules
generated
from
cholesterol
in
the
liver
and
facilitate
digestion
absorption
of
fat-soluble
substances
gut.
Some
BAs
intestine
modified
by
gut
microbiota.
Because
a
variety
ways
different
types
bacteria
present
microbiota,
changes
microbiota
can
affect
metabolism
host.
Although
most
absorbed
transferred
to
liver,
some
systemic
circulation.
Furthermore,
have
also
been
detected
brain
thought
migrate
into
through
known
physiological
functions
acting
as
ligands
for
various
nuclear
cell-surface
receptors,
found
act
on
mitochondria
autophagy
cell.
This
review
focuses
their
roles
intracellular
organelles
neurodegenerative
diseases.
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2024,
Volume and Issue:
14
Published: Feb. 9, 2024
Autoimmune
hepatitis
(AIH)
is
a
chronic
inflammatory
disease
of
the
liver
that
mediated
by
autoimmunity
and
has
complex
pathogenesis.
Its
prevalence
increased
globally.
Since
first
organ
to
be
exposed
harmful
substances,
such
as
gut-derived
intestinal
microbiota
its
metabolites,
gut
health
closely
related
health,
"liver-gut
axis"
allows
abnormalities
in
influence
development
liver-related
diseases
AIH.
Changes
composition
resultant
disruption
barrier
microbial
transport
are
involved
multiple
ways
immune
homeostasis
inflammation,
thereby
influencing
In
terms
mechanisms
immune,
or
which
decreased
secondary
bile
acids,
short-chain
fatty
acids
(SCFAs),
polyamines,
lipopolysaccharide
(LPS),
branched-chain
amino
(BCAA),
tryptophan
metabolite,
acid,
can
disrupt
activating
various
cells
immune-related
signaling
pathways,
resulting
aberrant
activation
system.
Clarifying
this
mechanism
significant
clinical
implications
for
treatment
AIH
with
drugs
target
pathways.
Therefore,
narrative
review
summarizes
progress
exploring
involvement
pathogenesis
AIH,
aim
helping
improve
precise
targeting
therapeutic
treatments
against
benefit
treatment.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 2, 2023
The
severe
and
chronic
inflammatory
bowel
diseases
(IBD),
Crohn
disease
ulcerative
colitis,
are
characterized
by
persistent
inflammation
gut
damage.
There
is
an
increasing
recognition
that
the
microbiota
plays
a
pivotal
role
in
IBD
development
progression.
However,
studies
of
complete
composition
(bacteria,
fungi,
viruses)
from
precise
locations
within
remain
limited.
In
particular,
have
focused
primarily
on
bacteriome,
with
available
methods
limiting
evaluation
mycobiome
(fungi)
virome
(virus).
Furthermore,
while
different
segments
small
large
intestine
display
functions
(
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(5), P. 1272 - 1272
Published: April 25, 2023
A
common
neuropsychiatric
complication
of
advanced
liver
disease,
hepatic
encephalopathy
(HE),
impacts
the
quality
life
and
length
hospital
stays.
There
is
new
evidence
that
gut
microbiota
plays
a
significant
role
in
brain
development
cerebral
homeostasis.
Microbiota
metabolites
are
providing
avenue
therapeutic
options
for
several
neurological-related
disorders.
For
instance,
composition
blood-brain
barrier
(BBB)
integrity
altered
HE
variety
clinical
experimental
studies.
Furthermore,
probiotics,
prebiotics,
antibiotics,
fecal
transplantation
have
been
shown
to
positively
affect
BBB
disease
models
potentially
extendable
by
targeting
microbiota.
However,
mechanisms
underlie
dysbiosis
its
effects
on
still
unclear
HE.
To
this
end,
aim
review
was
summarize
disruption
possible
mechanism.