bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 15, 2024
Abstract
Virus-human
protein-protein
interactions
(VHPPI)
are
key
to
understanding
how
viruses
manipulate
host
cellular
functions.
This
study
constructed
a
retroviral-human
PPI
network
by
integrating
multiple
public
databases,
resulting
in
1,387
between
29
retroviral
and
1,026
human
genes.
Using
minimal
sequence
similarity,
we
generated
pseudo-negative
dataset
for
model
reliability.
Five
machine
learning
models—Logistic
Regression
(LR),
Support
Vector
Machine
(SVM),
Naive
Bayes
(NB),
Decision
Tree
(DT),
Random
Forest
(RF)—were
evaluated
using
accuracy,
sensitivity,
specificity,
PPV,
NPV.
LR
KNN
models
demonstrated
the
strongest
predictive
performance,
with
sensitivities
up
77%
specificities
of
52%.
Feature
importance
analysis
identified
GC
content
semantic
similarity
as
influential
predictors.
Models
trained
on
selected
features
showed
enhanced
accuracy
reduced
complexity.
Our
approach
highlights
potential
computational
VHPPI
predictions,
offering
valuable
insights
into
viral-host
interaction
networks
guiding
therapeutic
target
identification.
Significance
addresses
crucial
gap
antiviral
research
focusing
prediction
virus-host
retroviruses,
which
linked
serious
diseases,
including
certain
cancers
autoimmune
disorders.
By
leveraging
models,
essential
host-pathogen
that
underlie
survival
pathogenesis.
These
were
optimized
predict
accurately,
complex
mechanisms
retroviruses
use
processes.
viral
proteins,
such
ENV_HV1H2
CD4,
play
pivotal
roles
infection
persistence.
Targeting
these
specific
can
potentially
disrupt
lifecycle
while
minimizing
toxicity
cells.
thus
opens
avenues
development
selective
strategies,
contributing
more
effective
targeted
interventions
fewer
side
effects,
marking
significant
step
forward
virology
drug
discovery.
Redox Biology,
Journal Year:
2024,
Volume and Issue:
73, P. 103208 - 103208
Published: May 24, 2024
Recently,
numerous
studies
have
reported
the
interaction
between
senescence
and
oxidative
stress
in
cancer.
However,
there
is
a
lack
of
comprehensive
understanding
precise
mechanisms
involved.
Cancer Medicine,
Journal Year:
2024,
Volume and Issue:
13(8)
Published: April 1, 2024
Abstract
Background
Thyroid
cancer
(TC)
is
the
predominant
malignancy
within
endocrine
system.
However,
standard
method
for
TC
diagnosis
lacks
capability
to
identify
pathological
condition
of
all
thyroid
lesions.
The
metabolomics
approach
has
potential
manage
this
problem
by
identifying
differential
metabolites.
Aims
This
study
conducted
a
systematic
review
and
meta‐analysis
NMR‐based
studies
in
order
significant
altered
metabolites
associated
with
TC.
Methods
A
search
published
literature
any
language
three
databases
including
Embase,
PubMed,
Scopus
was
conducted.
Out
353
primary
articles,
12
met
criteria
inclusion
review.
Among
these,
five
reports
belonging
articles
were
eligible
meta‐analysis.
correlation
coefficient
orthogonal
partial
least
squares
discriminant
analysis,
popular
model
multivariate
statistical
analysis
metabolomic
data,
chosen
based
on
fact
that
they
had
been
found
at
studies.
Results
In
total,
49
compounds
identified,
40
which
increased
lesions
compared
normal
samples
included
lactate,
taurine,
alanine,
glutamic
acid,
glutamine,
leucine,
lysine,
phenylalanine,
serine,
tyrosine,
valine,
choline,
glycine,
isoleucine.
Lipids
decreased
Lactate
alanine
malignant
versus
benign
lesions,
while,
myo‐inositol,
scyllo‐inositol,
citrate,
phosphocholine
be
decreased.
yielded
results
citrate
specimens.
Discussion
study,
we
provided
concise
summary
studies,
making
it
easier
future
researchers
compare
their
prior
findings.
Conclusion
It
appears
field
will
experience
notable
advancement,
leading
discovery
trustworthy
diagnostic
prognostic
biomarkers.
Cancer Letters,
Journal Year:
2024,
Volume and Issue:
600, P. 217157 - 217157
Published: Aug. 8, 2024
Deregulation
of
E3
ubiquitin
ligases
drives
the
proliferation
and
metastasis
various
cancers;
however,
underlying
mechanisms
remain
unknown.
This
study
aimed
to
investigate
role
tripartite
motif-containing
22
(TRIM22),
a
poorly
investigated
ligase
in
TRIM
family,
as
tumor
suppressor
breast
cancer.
High
expression
TRIM22
cancer
correlated
with
better
prognosis.
Functional
experiments
demonstrated
that
significantly
inhibited
invasion
cells.
Label-free
proteomics
biochemical
analyses
revealed
copper
chaperone
for
superoxide
dismutase
(CCS),
an
oncoprotein
is
upregulated
promotes
growth
cells,
was
target
degradation
via
K27-linked
ubiquitination.
Notably,
ability
coiled-coil
domain-defective
mutants
induce
CCS
ubiquitination
diminished,
lysine
76
serving
site.
Moreover,
TRIM22-mediated
inhibition
cells
restored
by
ectopic
expression.
RNA-sequencing
using
Gene
Set
Enrichment
Analysis
involved
JAK-STAT
signaling
pathway.
overexpression
also
improved
reactive
oxygen
species
levels
STAT3
phosphorylation,
which
or
N-acetyl-l-cysteine
treatment.
Chromatin
immunoprecipitation-quantitative
polymerase
chain
reaction
results
showed
decreased
enrichment
phosphorylated
FN1,
VIM
JARID2
promoters.
Clinically,
low
high
survival
rates
patients
upregulation
associated
prognosis
who
received
classical
therapy.
downregulated
many
types,
including
colon,
kidney,
lung,
prostate
cancers.
To
best
our
knowledge,
first
reported
inhibits
through
degradation.
potential
prognostic
biomarker
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 9659 - 9688
Published: Sept. 1, 2024
Reactive
oxygen
species
(ROS)
encompass
a
diverse
group
of
chemically
reactive
molecules
or
ions
distinguished
by
their
substantial
oxidative
potential.
Empirical
studies
have
shown
that
the
targeted
administration
high
toxic
concentrations
ROS
can
effectively
induce
tumor
cell
death
in
various
types.
Numerous
bioactive
ingredients
derived
from
traditional
Chinese
medicine
(TCM),
recognized
for
ROS-inducing
properties,
demonstrated
significant
anti-tumor
activity.
Nonetheless,
clinical
application
has
been
hindered
challenges
such
as
low
solubility,
limited
bioavailability,
and
poor
selectivity.
Multifunctional
nanoformulations
possess
potential
to
overcome
these
enhance
anticancer
efficacy
active
compounds.
Through
extensive
searches
academic
databases
thorough
review
screening
relevant
literature,
this
study
aims
systematically
summarize
generalize
multiple
TCM
generation,
along
with
multifunctional
nanoformulations,
perspectives.
The
objective
is
provide
new
insights
references
fundamental
cancer
research
treatments.
Furthermore,
we
acknowledge
although
numerous
potentials,
potentially
offering
novel
strategies
therapy,
underlying
mechanisms
require
further
comprehensive
investigation.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11478 - 11478
Published: Oct. 25, 2024
Cell
death
is
a
critical
biological
process
necessary
for
development,
tissue
maintenance,
and
defense
against
diseases.
To
date,
more
than
20
forms
of
cell
have
been
identified,
each
defined
by
unique
molecular
pathways.
Understanding
these
different
essential
investigating
the
pathogenesis
diseases
such
as
cancer,
neurodegenerative
disorders,
autoimmune
conditions
developing
appropriate
therapies.
Paraptosis
distinct
form
regulated
characterized
cytoplasmic
vacuolation
dilatation
cellular
organelles
like
mitochondria
endoplasmic
reticulum
(ER).
It
several
signaling
pathways,
instance,
those
associated
with
ER
stress,
calcium
overload,
oxidative
specific
cascades
insulin-like
growth
factor
I
receptor
(IGF-IR)
its
downstream
pathways
comprising
mitogen-activated
protein
kinases
(MAPKs)
Jun
N-terminal
kinase
(JNK).
has
observed
in
diverse
contexts,
including
development
stress
responses
neuronal,
retinal,
endothelial,
muscle
cells.
The
induction
paraptosis
increasingly
important
anticancer
therapy,
it
targets
non-apoptotic
tumor
cells,
which
can
be
utilized
to
induce
death.
This
approach
enhances
treatment
efficacy
addresses
drug
resistance,
particularly
cases
where
cancer
cells
are
resistant
apoptosis.
Combining
paraptosis-inducing
agents
traditional
therapies
holds
promise
enhancing
overcoming
suggesting
valuable
strategy
therapy.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: July 29, 2024
Soloxolone
amides
are
semisynthetic
triterpenoids
that
can
cross
the
blood-brain
barrier
and
inhibit
glioblastoma
growth
both
in
vitro
vivo
.
Here
we
investigate
impact
of
these
compounds
on
processes
associated
with
invasiveness
therapy
resistance.
Screening
soloxolone
against
cells
revealed
ability
compound
7
(soloxolone
para
-methylanilide)
to
transforming
factor-beta
1
(TGF-β1)-induced
glial-mesenchymal
transition
Compound
inhibited
morphological
changes,
wound
healing,
transwell
migration,
expression
mesenchymal
markers
(N-cadherin,
fibronectin,
Slug)
TGF-β1-induced
U87
U118
cells,
while
restoring
their
adhesiveness.
Confocal
microscopy
molecular
docking
showed
reduced
SMAD2/3
nuclear
translocation
probably
by
direct
interaction
TGF-β
type
I
II
receptors
(TβRI/II).
In
addition,
suppressed
stemness
as
evidenced
inhibition
colony
forming
ability,
spheroid
growth,
aldehyde
dehydrogenase
(ALDH)
activity.
Furthermore,
exhibited
a
synergistic
effect
temozolomide
(TMZ)
cell
viability.
Using
N-acetyl-L-cysteine
(NAC)
flow
cytometry
analysis
Annexin
V-FITC-,
propidium
iodide-,
DCFDA-stained
was
found
synergize
cytotoxicity
TMZ
inducing
ROS-dependent
apoptosis.
Further
studies
,
alone
or
combination
TMZ,
effectively
xenograft
tumors
mice.
Thus,
demonstrated
promising
potential
component
for
glioblastoma,
reducing
its
increasing
sensitivity
chemotherapy.
Deleted Journal,
Journal Year:
2023,
Volume and Issue:
In Press(In Press)
Published: Oct. 14, 2023
Background:
Froriepia
subpinnata
(F.
subpinnata)
is
one
of
the
plants
used
in
diet
Iranian
people.
Previous
studies
have
investigated
antioxidant
and
antibacterial
effects
this
plant
extract,
but
no
study
has
been
conducted
on
its
anticancer
properties.
Objectives:
In
study,
we
effect
F.
extract
MCF-7
breast
cancer
cells.
Methods:
The
inhibitory
leaf
was
determined
growth
cells
by
MTT
test.
ROS
(reactive
oxygen
species)
test
to
investigate
impact
intracellular
oxidative
stress.
Flow
cytometry
real-time
PCR
tests
were
apoptosis-related
molecular
processes.
GC-MS
analysis
performed
determine
most
abundant
components.
Results:
showed
that
phytol,
mono-ethylhexyl
phthalate
(MEHP),
cinnamaldehyde,
neophytadiene
constituted
60%
extracted
content.
assay
demonstrated
caused
50%
lethality
at
a
400
μg/mL
dose
MCF7
low
doses
decreased
level
for
24
hours
MCF-7,
increasing
concentration,
levels
increased.
At
IC50
(inhibitory
concentration
(IC)
associated
with
impact),
increased
3.5
times
compared
control
group.
Examining
N-acetyl
cysteine
(NAC)
agent
could
prevent
lethal
eliminate
increase
results
specifically
induced
apoptosis
through
internal
pathway
cell
line.
Conclusions:
can
be
considered
further
studies.