Structure–function relationship of the brown seaweed Undaria pinnatifida laminaran: Protein kinase C-mediated mucus secretion and gut barrier restoration
Carbohydrate Polymers,
Journal Year:
2025,
Volume and Issue:
unknown, P. 123525 - 123525
Published: March 1, 2025
Language: Английский
Temporal Transcriptomic Analysis of Periodontal Disease Progression and Its Molecular Links to Systemic Diseases
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(5), P. 1998 - 1998
Published: Feb. 25, 2025
Periodontal
disease,
a
prevalent
oral
inflammatory
condition,
is
implicated
in
exacerbating
systemic
diseases.
However,
the
molecular
mechanisms
underlying
this
association
remain
unclear.
In
study,
we
performed
RNA
sequencing
of
gingival
tissue
samples
collected
from
mouse
model
periodontal
disease
at
multiple
time
points
to
investigate
dynamic
transcriptomic
changes
during
progression.
Our
analysis
revealed
distinct
temporal
gene
expression
patterns
associated
with
key
and
immune
response
pathways.
These
findings
suggest
stepwise
progression
process,
potentially
contributing
inflammation
through
shared
signaling
networks.
We
further
identified
specific
genes
pathways
that
may
mediate
bidirectional
relationship
between
conditions
such
as
cardiovascular
diabetes.
By
elucidating
dynamics
study
provides
insights
into
pathogenesis
its
implications.
It
identifies
potential
biomarkers
therapeutic
targets
for
local
management.
Language: Английский
Structure, Function, and Regulation of LytA: The N-Acetylmuramoyl-l-alanine Amidase Driving the “Suicidal Tendencies” of Streptococcus pneumoniae—A Review
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(4), P. 827 - 827
Published: April 5, 2025
Streptococcus
pneumoniae
(pneumococcus)
is
a
significant
human
pathogen
responsible
for
range
of
diseases
from
mild
infections
to
invasive
pneumococcal
diseases,
particularly
affecting
children,
the
elderly,
and
immunocompromised
individuals.
Despite
conjugate
vaccines
having
reduced
disease
incidence,
challenges
persist
due
serotype
diversity,
vaccine
coverage
gaps,
antibiotic
resistance.
This
review
highlights
role
LytA,
key
autolysin
(N-acetylmuramoyl-l-alanine
amidase),
in
biology.
LytA
regulates
autolysis,
contributes
inflammation,
biofilm
formation,
impairs
bacterial
clearance.
It
also
modulates
complement
activation,
aiding
immune
evasion.
expression
influenced
by
environmental
signals
genetic
regulation
tied
competence
transformation,
which
an
important
virulence
trait,
meningitis.
With
increase
resistance,
has
emerged
as
potential
therapeutic
target.
Current
research
explores
its
use
bacteriolytic
therapies,
development,
synergistic
strategies.
Various
compounds,
including
synthetic
peptides,
plant
extracts,
small
molecules,
have
been
investigated
their
ability
trigger
LytA-mediated
lysis.
Future
directions
include
development
novel
anti-pneumococcal
interventions
leveraging
LytA’s
properties
while
overcoming
efficacy
resistance-related
challenges.
Human
challenge
models
animal
studies
continue
deepen
our
understanding
pathogenesis
treatment
Language: Английский
Construction and Influence of Induced Pluripotent Stem Cells on Early Embryo Development in Black Bone Sheep
Daqing Wang,
No information about this author
Yiyi Liu,
No information about this author
Li Lu
No information about this author
et al.
Biology,
Journal Year:
2025,
Volume and Issue:
14(5), P. 484 - 484
Published: April 28, 2025
The
piggyBac+TET-on
transposon
induction
system
has
a
high
efficiency
in
integrating
exogenous
genes
multiple
cell
types,
can
precisely
integrate
to
reduce
genomic
damage,
flexible
gene
expression
regulation,
and
strong
genetic
stability.
When
used
conjunction
with
somatic
nuclear
transfer
experiments,
it
effectively
reveal
the
intrinsic
mechanisms
of
early
biological
development.
This
study
successfully
reprogrammed
black-boned
sheep
fibroblasts
(SFs)
into
induced
pluripotent
stem
cells
(iPSCs)
using
investigated
their
impact
on
embryonic
Seven
reprogramming
factors
(bovine
OCT4,
SOX2,
KLF4,
cMyc,
porcine
NANOG,
Lin-28,
SV40
Large
T)
were
delivered
SFs,
inducing
iPSCs.
A
growth
performance
analysis
revealed
that
iPSC
clones
exhibited
raised
or
flat
morphology
clear
edges,
positive
alkaline
phosphatase
staining,
normal
karyotypes.
transcriptome
indicated
significant
enrichment
iPSCs
oxidative
phosphorylation
proliferation
pathways,
an
up-regulated
ATP5B,
SDHB,
Bcl-2,
CDK1,
Cyclin
D1
down-regulated
BAX
(p
<
0.05).
Somatic
experiments
demonstrated
cleavage
rate
(85%
±
2.12)
blastocyst
(52%
2.11)
significantly
higher
than
those
SFs
detection
trilineage
marker
confirmed
levels
endoderm
(DCN,
NANOS3,
FOXA2,
FOXD3,
SOX17),
mesoderm
(KDR,
CD34,
NFH),
ectoderm
(NEUROD)
markers
0.01).
findings
demonstrate
possess
pluripotency
potential
differentiate
all
three
germ
layers,
revealing
by
which
influence
development
providing
critical
foundation
for
research
cells.
Language: Английский
DNA methylation modification: Dawn of research on cornea-related diseases
Q. Pan,
No information about this author
Xiaoning Ge,
No information about this author
Di Wang
No information about this author
et al.
Life Sciences,
Journal Year:
2025,
Volume and Issue:
unknown, P. 123757 - 123757
Published: May 1, 2025
Language: Английский
A Framework for Autonomous AI-Driven Drug Discovery
Douglas W. Selinger,
No information about this author
Tom Wall,
No information about this author
Eleni Stylianou
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Abstract
The
exponential
increase
in
biomedical
data
offers
unprecedented
opportunities
for
drug
discovery,
yet
overwhelms
traditional
analysis
methods,
limiting
the
pace
of
new
development.
Here
we
introduce
a
framework
autonomous
artificial
intelligence
(AI)-driven
discovery
that
integrates
knowledge
graphs
with
large
language
models
(LLMs).
It
is
capable
planning
and
carrying
out
automated
programs
while
providing
details
its
research
strategy,
progress,
supporting
points,
enabling
thorough
assessment
methods
findings.
At
heart
this
lies
“focal
graph”
-
novel
construct
harnesses
centrality
algorithms
to
distill
vast,
noisy
datasets
into
concise,
transparent,
data-driven
hypotheses.
By
high-throughput
search
result
interpretation,
such
could
be
used
execute
massive
numbers
searches,
identify
patterns
across
complex,
diverse
datasets,
prioritize
actionable
hypotheses
at
scale
speed
unachievable
by
human
researchers
alone.
We
demonstrate
even
small-
applications
approach
can
yield
novel,
transparent
insights
relevant
multiple
stages
process
present
prototype
system
autonomously
executing
multi-step
target
workflow.
focal
graph
described
here,
automation
it
enables,
represents
promising
path
forward:
towards
deeper
understanding
mechanisms
underlying
disease
true
acceleration
development
therapeutics.
Graphical
Language: Английский