Regulation of pyroptosis by natural products in ulcerative colitis: mechanisms and therapeutic potential
Xiaobei Lu,
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Yapeng Sun,
No information about this author
Zhaoyi Zhang
No information about this author
et al.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 9, 2025
Ulcerative
colitis
(UC),
a
chronic
inflammatory
bowel
disease,
is
driven
by
dysregulated
immune
responses
and
persistent
intestinal
inflammation.
Pyroptosis,
caspase/gasdermin-mediated
cell
death
that
exacerbates
mucosal
damage
through
excessive
cytokine
release
epithelial
barrier
disruption.
Although
pyroptosis
considered
to
be
key
mechanism
in
the
pathogenesis
of
UC,
systematic
assessment
role
natural
products
targeting
pathway
remains
critical
research
gap.
The
purpose
this
review
investigate
regulatory
effects
on
UC
elucidate
mechanisms
action
potential
therapeutic
effects.
Key
findings
highlight
polyphenols
(e.g.,
resveratrol),
flavonoids
Quercetin),
terpenoids
as
promising
agents
inhibit
NLRP3
inflammasome
activation,
suppress
gasdermin
D
cleavage,
restore
integrity,
thereby
reducing
pro-inflammatory
preclinical
models.
Current
evidence
shows
enhanced
efficacy
safety
when
these
compounds
are
combined
with
standard
therapies,
but
clinical
translation
requires
overcoming
three
barriers:
limited
human
trial
data,
uncharacterized
polypharmacology,
suboptimal
pharmacokinetics
needing
formulation
refinement.
Future
should
prioritize
standardized
animal-to-human
translational
models,
mechanistic
studies
synergistic
pathways,
rigorous
validation
harness
full
pyroptosis-targeted
therapies.
Language: Английский
Mengding Yellow Bud Polyphenols Protect Against CCl4‐induced Hepatotoxicity in Mice Via Inhibiting Oxidative Stress and Inflammation
Ranran Wang,
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Fei She,
No information about this author
Ruokun Yi
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et al.
Journal of Food Science,
Journal Year:
2025,
Volume and Issue:
90(5)
Published: May 1, 2025
ABSTRACT
Mengding
yellow
bud
polyphenols
(MYBPs),
as
a
plant
active
ingredient
that
may
protect
the
liver,
have
not
yet
been
elucidated
for
potential
molecular
mechanism
in
preventing
carbon
tetrachloride
(CCl
4
)
induced
acute
liver
injury
(ALI)
mice.
The
MYBPs
monomers
compounds
were
explored
by
high‐performance
liquid
chromatography
(HPLC).
Mice
administered
silymarin
(100
mg/kg
b.w.)
or
(50
and
100
2
weeks
prior
to
CCl
‐induced
ALI.
function
indexes,
histopathological
observation,
biochemical
mRNA
protein
expressions
determine.
effectively
reduced
mice
weights,
pathological
injury,
serum
levels
of
alanine
aminotransferase
(ALT),
aspartate
(AST),
triglycerides
(TG),
total
cholesterol
(TC).
Similarly,
decreased
interleukin
(IL)‐6,
IL‐12,
tumor
necrosis
factor‐α
(TNF‐α),
interferon
(IFN)‐γ
levels,
tissues
myeloperoxidase
(MPO)
malondialdehyde
(MDA)
elevated
superoxide
dismutase
(SOD)
glutathione
(GSH)
levels.
cuprozinc‐superoxide
(Cu/Zn‐SOD),
manganese‐superoxide
(Mn‐SOD),
catalase
(CAT),
B‐cells
inhibitor‐α
(IκB‐α)
markedly
increased.
Additionally,
significantly
nuclear
factor
(NF)‐κB,
TNF‐α,
IL‐1
beta,
inducible
NOS
(iNOS),
cyclooxygenase
(COX)‐2
expressions.
HPLC
showed
contained
gallic
acid
(GA),
(−)‐epigallocatechin
(EGC),
epigallocatechin
gallate
(EGCG),
(−)‐epicatechin
(ECG).
Briefly,
prevented
ALI
inhibiting
oxidative
stress
inflammatory
pathways,
its
preventive
effect
was
dose‐dependent
with
concentration.
This
study
provided
scientific
basis
development
into
functional
food
well
new
idea
clinical
prevention
treatment
human
Practical
Application
:
can
alleviate
Hepatotoxicity
raising
antioxidant
antiinflammatory
status
upregulating
antiinflammatory‐related
genes
protein.
Language: Английский