International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 12774 - 12774
Опубликована: Ноя. 28, 2024
4-aminopyridine
(4-AP)
is
a
non-selective
blocker
of
voltage-dependent
K+
channels
used
to
improve
walking
in
multiple
sclerosis
patients,
and
it
may
be
useful
the
treatment
cerebellar
diseases.
In
animal
models,
4-AP
as
convulsant
agent.
When
administered
intrahippocampally,
induces
acute
local
glucose
hypermetabolism
significant
brain
damage,
while
i.p.
administration
causes
less
neuronal
damage.
This
study
aimed
investigate
effects
single
on
metabolism
well
viability
signs
neuroinflammation
3
days
after
insult.
Brain
was
evaluated
by
[18F]FDG
PET
neuroimaging.
uptake
analyzed
based
volumes
interest
(VOIs)
voxel-based
(SPM)
analyses.
The
results
showed
that
independently
type
data
analysis
(VOIs
or
SPM),
induced
generalized
hypometabolism,
except
cerebellum.
Furthermore,
SPM
normalized
whole
revealed
hypermetabolism.
neurohistochemical
assays
hippocampal
astrocyte
reactivity
insult,
without
inducing
changes
integrity
microglia-mediated
neuroinflammation.
Thus,
metabolic
neuroinflammatory
profiles
response
clearly
differed
from
reported
for
intrahippocampal
administration.
Finally,
suggest
cerebellum
might
more
resilient
4-AP-induced
hypometabolism.
Pharmaceuticals,
Год журнала:
2024,
Номер
17(1), С. 126 - 126
Опубликована: Янв. 18, 2024
Resveratrol
is
a
polyphenolic
compound
that
has
gained
considerable
attention
in
the
past
decade
due
to
its
multifaceted
therapeutic
potential,
including
anti-inflammatory
and
anticancer
properties.
However,
efficacy
impeded
by
low
water
solubility,
dose-limiting
toxicity,
bioavailability,
rapid
hepatic
metabolism.
To
overcome
these
hurdles,
various
nanoparticles
such
as
organic
inorganic
nanoparticles,
liposomes,
polymeric
dendrimers,
solid
lipid
gold
zinc
oxide
zeolitic
imidazolate
frameworks,
carbon
nanotubes,
bioactive
glass
mesoporous
were
employed
deliver
resveratrol,
enhancing
against
types
of
cancer.
Resveratrol-loaded
nanoparticle
or
resveratrol-conjugated
administration
exhibits
excellent
potency
compared
free
resveratrol.
This
review
highlights
latest
developments
nanoparticle-based
delivery
systems
for
focusing
on
potential
limitations
associated
with
compound’s
bioavailability
effectiveness.
Cancers,
Год журнала:
2024,
Номер
16(19), С. 3323 - 3323
Опубликована: Сен. 28, 2024
Gastric
cancer
(GC)
is
the
second
most
common
cause
of
cancer-related
death
worldwide
and
a
serious
public
health
concern.
This
high
rate
mostly
caused
by
late-stage
diagnoses,
which
lead
to
poor
treatment
outcomes.
Radiation
immunotherapy
targeted
therapies
are
becoming
increasingly
popular
in
GC
treatment,
addition
surgery
systemic
chemotherapy.
In
this
review,
we
have
focused
on
both
vitro
vivo
research,
presents
summary
recent
developments
for
gastric
cancer.
We
explore
therapy
approaches,
including
integrin
receptors,
HER2,
Claudin
18,
glutathione-responsive
systems.
For
instance,
targeting
receptors
such
as
αvβ3
αvβ5
integrins
shown
promise
enhancing
diagnostic
precision
efficacy.
Furthermore,
nanotechnology
provides
novel
approaches
drug
delivery
imaging.
These
include
nanoplatforms
cyclic
RGD
peptide-conjugated
nanoparticles.
strategies
seek
reduce
toxicity
while
increasing
specificity
To
sum
up,
review
addresses
significance
personalized
medicine
advancements
cancer-targeted
therapies.
It
explores
potential
methods
prognosis
future.
Journal of Imaging,
Год журнала:
2025,
Номер
11(2), С. 59 - 59
Опубликована: Фев. 15, 2025
Artificial
intelligence
(AI)
transforms
image
data
analysis
across
many
biomedical
fields,
such
as
cell
biology,
radiology,
pathology,
cancer
and
immunology,
with
object
detection,
feature
extraction,
classification,
segmentation
applications.
Advancements
in
deep
learning
(DL)
research
have
been
a
critical
factor
advancing
computer
techniques
for
mining.
A
significant
improvement
the
accuracy
of
detection
algorithms
has
achieved
result
emergence
open-source
software
innovative
neural
network
architectures.
Automated
now
enables
extraction
quantifiable
cellular
spatial
features
from
microscope
images
cells
tissues,
providing
insights
into
organization
various
diseases.
This
review
aims
to
examine
latest
AI
DL
mining
microscopy
images,
aid
biologists
who
less
background
knowledge
machine
(ML),
incorporate
ML
models
focus
images.
Diagnostics,
Год журнала:
2023,
Номер
13(7), С. 1210 - 1210
Опубликована: Март 23, 2023
Radionuclides
are
unstable
isotopes
that
mainly
emit
alpha
(α),
beta
(β)
or
gamma
(γ)
radiation
through
decay.
Therefore,
they
used
in
the
biomedical
field
to
label
biomolecules
drugs
for
diagnostic
imaging
applications,
such
as
positron
emission
tomography
(PET)
and/or
single-photon
computed
(SPECT).
A
growing
of
research
is
development
new
radiopharmaceuticals
use
cancer
treatments.
Preclinical
studies
gold
standard
translational
research.
Specifically,
vitro
radiopharmaceutical
based
on
directly
cells.
To
date,
radiometric
β-
and
γ-counters
only
tools
able
assess
a
preclinical
assay
with
aim
estimating
uptake,
retention,
release
parameters,
including
time-
dose-dependent
cytotoxicity
kinetic
parameters.
This
review
has
been
designed
researchers,
biologists
biotechnologists,
who
would
like
approach
radiobiology
conduct
assays
cellular
radioactivity
evaluations
using
counters.
demonstrate
importance
counters
view
radiogenomics,
many
64Cu-,
68Ga-,
125I-,
99mTc-labeled
have
revised
summarized
this
manuscript.
Communications Biology,
Год журнала:
2023,
Номер
6(1)
Опубликована: Апрель 8, 2023
Abstract
Despite
aggressive
therapeutic
regimens,
glioblastoma
(GBM)
represents
a
deadly
brain
tumor
with
significant
aggressiveness,
radioresistance
and
chemoresistance,
leading
to
dismal
prognosis.
Hypoxic
microenvironment,
which
characterizes
GBM,
is
associated
reduced
effectiveness.
Moreover,
current
irradiation
approaches
are
limited
by
uncertain
delineation
severe
side
effects
that
comprehensively
lead
unsuccessful
treatment
worsening
of
the
quality
life
GBM
patients.
Proton
beam
offers
opportunity
depth-dose
profile,
which,
unfortunately,
coupled
low
relative
biological
effectiveness
(RBE).
The
use
radiosensitizing
agents,
such
as
boron-containing
molecules,
enhances
proton
RBE
increases
on
beam-hit
targets.
We
report
first
preclinical
evaluation
boron
capture
therapy
(PBCT)
in
model
analyzed
via
μ-positron
emission
tomography/computed
tomography
(μPET-CT)
assisted
live
imaging,
finding
increased
PBCT
versus
an
cell
death
mitophagy.
Our
work
supports
agents
scalable
strategy
treat
exploiting
ballistic
advances
increasing
Life,
Год журнала:
2023,
Номер
13(7), С. 1441 - 1441
Опубликована: Июнь 26, 2023
The
purpose
of
this
investigation
was
to
evaluate
the
diagnostic
performance
two
convolutional
neural
networks
(CNNs),
namely
ResNet-152
and
VGG-19,
in
analyzing,
on
panoramic
images,
rapport
that
exists
between
lower
third
molar
(MM3)
mandibular
canal
(MC),
compare
with
an
inexperienced
observer
(a
sixth
year
dental
student).
Utilizing
k-fold
cross-validation
technique,
142
MM3
cropped
from
83
were
split
into
80%
as
training
validation
data
20%
test
data.
They
subsequently
labeled
by
experienced
radiologist
gold
standard.
In
order
capabilities
CNN
algorithms
observer,
accuracy,
sensitivity,
specificity,
positive
predictive
value
(PPV)
determined.
achieved
a
mean
PPV,
84.09%,
94.11%,
92.11%,
88.86%,
respectively.
VGG-19
71.82%,
93.33%,
92.26%,
85.28%
regarding
aforementioned
characteristics.
student’s
respectively
69.60%,
53.00%,
64.85%,
62.53%.
This
work
demonstrated
potential
use
deep
architecture
for
identification
evaluation
contact
MC
pictures.
addition,
CNNs
could
be
useful
tool
assist
observers
more
accurately
identifying
relationships
images.
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Окт. 6, 2022
Abstract
Radiomics
in
neuroimaging
uses
fully
automatic
segmentation
to
delineate
the
anatomical
areas
for
which
radiomic
features
are
computed.
However,
differences
among
these
methods
affect
an
unknown
extent.
A
scan-rescan
dataset
(n
=
46)
of
T1-weighted
and
diffusion
tensor
images
was
used.
Subjects
were
split
into
a
sleep-deprivation
control
group.
Scans
segmented
using
four
from
First,
we
measured
agreement
Dice-coefficient.
Second,
robustness
reproducibility
intraclass
correlation
coefficient
(ICC).
Last,
difference
predictive
power
assessed
Friedman-test
on
performance
radiomics-based
sleep
deprivation
classification
application.
Segmentation
generally
high
(interquartile
range
0.77–0.90)
median
feature
method
variation
higher
(ICC
>
0.7)
than
0.3–0.8).
differed
significantly
(p
<
0.001)
ranging
77
84%.
Accuracy
more
recent
deep
learning-based
methods.
Despite
methods,
subtle
affected
their
power.
Consequently,
effect
should
be
taken
account
when
designing
evaluating
research
Applied Sciences,
Год журнала:
2025,
Номер
15(6), С. 3295 - 3295
Опубликована: Март 18, 2025
This
review
evaluates
the
application
of
artificial
intelligence
(AI),
particularly
neural
networks,
in
diagnosing
and
staging
periodontal
diseases
through
radiographic
analysis.
Using
a
systematic
22
studies
published
between
2017
2024,
it
examines
various
AI
models,
including
convolutional
networks
(CNNs),
hybrid
generative
adversarial
(GANs),
transformer
networks.
The
analyzed
diverse
datasets
from
panoramic,
periapical,
imaging
techniques,
assessing
diagnostic
accuracy,
sensitivity,
specificity,
interpretability.
CNN
models
like
Deetal-Perio
YOLOv5
achieved
high
accuracy
detecting
alveolar
bone
loss
(ABL),
with
F1
scores
up
to
0.894.
Hybrid
demonstrate
strength
handling
complex
cases,
such
as
molars
vertical
loss.
Despite
these
advancements,
challenges
persist,
reduced
performance
severe
limited
for
loss,
need
3D
integration.
AI-driven
tools
offer
transformative
potential
periodontology
by
rivaling
clinician
performance,
improving
consistency,
streamlining
workflows.
Addressing
current
limitations
large,
advanced
techniques
will
further
optimize
their
clinical
utility.
stands
poised
revolutionize
care,
enabling
early
diagnosis,
personalized
treatment
planning,
better
patient
outcomes.
Animals,
Год журнала:
2025,
Номер
15(7), С. 921 - 921
Опубликована: Март 23, 2025
The
aim
of
this
study
was
to
determine
the
influence
limb
positioning
on
computed
tomographic
(CT)
measurement
radio-ulnar
incongruity
(RUI)
in
canines.
sample
population
comprised
twenty
thoracic
limbs
harvested
from
ten
adult
canine
cadaveric
specimens
medium-size
breeds
without
concurrent
orthopedic
disease.
CT
scans
each
elbow
were
performed
using
two
different
flexion
angles
(90°
and
135°)
combination
with
five
supination
pronation
(-35°,
-15°,
0°,
15°
35°).
aligned
a
custom-made
fixation
device.
For
scan,
RUI
measured
at
apex
(AMC)
base
(BMC)
ulnar
medial
coronoid
process
compared
joint
study.
As
values
followed
normal
distribution
one-factorial
analysis
variance
produced
significant
result,
Dunnett
post
hoc
test
compare
individual
conditions
pairwise
for
differences.
results
show
no
differences
between
90°
135°
flexion.
AMC
showed
maximum
deviations
(p
<
0.001)
18.14%
-15°
31.31%
-35°
35°.
Measurement
BMC
pronation;
resulted
small
5.51%
0.001).
Angulation
35°
average
11.51%
Supination
greater
changes
than
pronation.
This
concludes
that
affect
congruity
space,
most
evident
These
findings
should
be
considered
during
forelimbs
diagnostic
purposes.