Anti-inflammatory activity of collagen peptide in vitro and its effect on improving ulcerative colitis
Xuan-Ying Xin,
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Jing Zhou,
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Gao-Ge Liu
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et al.
npj Science of Food,
Journal Year:
2025,
Volume and Issue:
9(1)
Published: Jan. 2, 2025
To
investigate
the
anti-inflammatory
effects
of
collagen
peptides,
peptides
from
cod
skin
were
prepared
to
assess
their
in
vitro
and
vivo
efficacy
against
ulcerative
colitis.
The
results
show
that
demonstrated
by
inhibiting
secretion
pro-inflammatory
cytokines
reducing
oxidative
stress
vitro.
In
vivo,
significantly
reduced
colonic
tissue
damage,
modulated
serum
cytokine
balance,
increased
expression
tight
junction
proteins
ZO-1,
Occludin,
Claudin-1
colon
tissue,
enhanced
abundance
beneficial
bacteria
while
harmful
bacteria,
restored
microbial
balance.
addition,
ameliorated
colitis
phosphorylation
NF-κB
p65,
IκBα
p38
MAPK
NF-κB/MAPK
signaling
pathway.
Based
on
these
findings,
could
serve
as
potential
therapeutic
agents
for
managing
Language: Английский
Anti-Aging Effects and Mechanisms of Cod Collagen Peptides (CCPs) in Caenorhabditis elegans
Jiale Wei,
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Junjie Zhang,
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Nan Ding
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et al.
Journal of Functional Biomaterials,
Journal Year:
2025,
Volume and Issue:
16(5), P. 150 - 150
Published: April 23, 2025
Given
the
growing
interest
in
natural
compounds
for
promoting
healthy
aging,
this
study
aimed
to
investigate
potential
of
cod
collagen
peptides
(CCPs),
a
readily
available
marine
resource,
extend
lifespan
and
improve
health.
Lifespan
assays
were
performed
on
C.
elegans
treated
with
different
concentrations
CCPs.
Furthermore,
various
stress
resistance
assays,
including
those
evaluating
oxidative
thermal
stress,
conducted.
To
elucidate
underlying
mechanisms,
gene
expression
analysis
key
aging-related
genes
was
performed.
The
results
demonstrated
that
treatment
25
mg/mL
CCPs
extended
by
13.2%,
increased
body
length
width
14.8%
20.6%,
respectively,
enhanced
head-swing
body-bending
frequencies
66.9%
80.4%.
Lipofuscin
content
apoptosis
reduced
45.9%
34.1%,
respectively.
also
showed
improved
resistance,
90.7%
increase
glutathione
peroxidase
(GPX)
activity,
147.4%
(GSH)
content.
Transcriptomic
anti-aging
activity
activating
MAPK
pathway
inhibiting
IIS
pathway,
which
associated
protein
aggregation.
It
lipid
synthesis
regulated
metabolism
through
fat-6
pathway.
indicated
could
be
employed
as
valuable
ingredient
food
pharmaceutical
fields.
Language: Английский