European Radiology Experimental,
Год журнала:
2024,
Номер
8(1)
Опубликована: Дек. 2, 2024
Abstract
Background
To
investigate
the
accuracy
of
quantitative
blood
oxygen
level-dependent
(qBOLD)
magnetic
resonance
imaging
(MRI)
in
identifying
hypoxia
within
glioblastoma
and
explore
dynamic
changes
oxygenation
status
with
without
metformin
administration.
Methods
Three
healthy
seven
C6-bearing
rats
underwent
7-T
qBOLD
MRI.
Oxygen
extraction
fraction
(OEF)
cerebral
metabolism
rate
O
2
(CMRO
)
were
calculated
from
data.
Tumor
tissues
stained
using
hypoxia-inducible
factor-1
$$\alpha$$
α
(HIF-1
pimonidazole.
The
correlation
between
markers
corresponding
qBOLD-based
parameters
was
analyzed.
Six
divided
into
metformin-treated
control
groups
for
a
longitudinal
study
changes,
scans
conducted
on
12th,
15th,
18th
day
post-tumor
implantation.
Results
In
rats,
gray
matter
showed
higher
values
than
white
T2,
T2*,
volume
(CBV),
flow
(CBF),
whereas
OEF
lower.
Glioblastoma
exhibited
elevated
CBV,
CBF
but
decreased
CMRO
relative
to
normal-appearing
matter.
No
significant
found
staining
scores
HIF-1
T2*
T2
negatively
correlated
pimonidazole
tumor
regions.
As
progressed,
increased
intra-tissue
variations,
decreased.
Metformin
delayed
reduction
values,
differences
compared
controls
18.
Conclusion
significantly
associated
glioma.
could
potentially
mitigate
progression
glioblastoma,
which
can
be
tracked
by
parameters.
Relevance
statement
This
demonstrates
potential
assessing
glioma
efficacy
as
an
anti-hypoxic
agent,
providing
insights
improving
treatment
strategies.
Key
Points
investigated
imaging’s
glioblastoma.
effectively
assesses
its
evolution
assist
suitable
patient
demographic
treatment.
Graphical
Molecular Biomedicine,
Год журнала:
2024,
Номер
5(1)
Опубликована: Сен. 28, 2024
Abstract
Drug
repurposing
in
cancer
taps
into
the
capabilities
of
existing
drugs,
initially
designed
for
other
ailments,
as
potential
treatments.
It
offers
several
advantages
over
traditional
drug
discovery,
including
reduced
costs,
development
timelines,
and
a
lower
risk
adverse
effects.
However,
not
all
classes
align
seamlessly
with
patient's
condition
or
long-term
usage.
Hence,
chronically
used
drugs
presents
more
attractive
option.
On
hand,
metabolic
reprogramming
being
an
important
hallmark
paves
regulators
possible
therapeutics.
This
review
emphasizes
importance
current
insights
antidiabetic
metformin,
sulfonylureas,
sodium-glucose
cotransporter
2
(SGLT2)
inhibitors,
dipeptidyl
peptidase
4
(DPP-4)
glucagon-like
peptide-1
receptor
agonists
(GLP-1RAs),
thiazolidinediones
(TZD),
α-glucosidase
against
various
types
cancers.
Antidiabetic
regulating
pathways
have
gained
considerable
attention
research.
The
literature
reveals
complex
relationship
between
risk.
Among
metformin
may
possess
anti-cancer
properties,
potentially
reducing
cell
proliferation,
inducing
apoptosis,
enhancing
sensitivity
to
chemotherapy.
revealed
heterogeneous
responses.
Sulfonylureas
TZDs
demonstrated
consistent
activity,
while
SGLT2
inhibitors
DPP-4
shown
some
benefits.
GLP-1RAs
raised
concerns
due
associations
increased
certain
highlights
that
further
research
is
warranted
elucidate
mechanisms
underlying
effects
these
establish
their
efficacy
safety
clinical
settings.
Nutrients,
Год журнала:
2025,
Номер
17(3), С. 503 - 503
Опубликована: Янв. 29, 2025
Worldwide,
almost
10
million
cancer
deaths
occurred
in
2022,
a
number
that
is
expected
to
rise
16.3
by
2040.
Primary
prevention
has
long
been
acknowledged
as
crucial
approach
reducing
incidence.
In
fact,
between
30
and
50
percent
of
all
tumors
are
known
be
preventable
eating
healthy
diet,
staying
active,
avoiding
alcohol,
smoking,
being
overweight.
Accordingly,
many
international
organizations
have
created
tumor
guidelines,
which
underlie
the
importance
following
diet
emphasizes
plant-based
foods
while
minimizing
consumption
red/processed
meat,
sugars,
processed
foods,
alcohol.
However,
further
research
needed
define
relationship
effect
specific
diets
or
nutritional
components
on
prevention.
Interestingly,
reductions
food
intake
dietetic
restrictions
can
extend
lifespan
yeast,
nematodes,
flies,
rodents.
Despite
controversial
results
humans,
those
approaches
potential
ameliorate
health
via
direct
indirect
effects
signaling
pathways
involved
onset.
Here,
we
describe
latest
knowledge
cancer-preventive
dietary
biochemical
processes
involved.
Molecular,
preclinical,
clinical
studies
evaluating
different
fasting
strategies
will
also
reviewed.
Stem Cell Research & Therapy,
Год журнала:
2025,
Номер
16(1)
Опубликована: Фев. 4, 2025
Despite
the
existence
of
promising
outcomes
from
standard
2D
culture
systems,
these
data
are
not
completely
akin
to
in
vivo
tumor
parenchyma.
Therefore,
development
and
fabrication
various
3D
systems
can
part
mimic
intricate
cell-to-cell
interaction
within
real
mass.
Here,
we
aimed
evaluate
tumoricidal
impacts
metformin
(MTF)
on
colorectal
cancer
(CRC)
tumoroids
an
vitro
system
via
modulation
autophagy.
CRC
were
developed
using
human
umbilical
vein
endothelial
cells
(HUVECs),
adenocarcinoma
HT29
cells,
fibroblasts
(HFFF2)
a
ratio
1:
2:
1
2.5%
methylcellulose.
Tumoroids
exposed
different
concentrations
MTF,
ranging
20
1000
mM,
for
72
h.
The
survival
rate
was
detected
LDH
release
assay.
expression
protein
levels
autophagy-related
factors
measured
PCR
array
western
blotting,
respectively.
Using
H
&
E,
immunofluorescence
staining
(Ki-67),
integrity
proliferation
examined.
current
protocol
yielded
typical
compact
with
dark
central
region.
slight
changes
released
contents,
no
statistically
significant
differences
achieved
terms
cell
toxicity
MTF-exposed
groups
compared
control
tumoroids,
indicating
insufficiency
MTF
induction
death
(p
>
0.05).
Western
blotting
indicated
that
LC3II/I
reduced
120
mM
<
These
coincided
reduction
intracellular
p62
content
mM-treated
40
analysis
confirmed
up-regulation,
down-regulation
several
genes
related
signaling
transduction
pathways
associated
autophagy
machinery
shared
effectors
between
apoptosis
non-treated
group
more
prominent
incubated
MTF.
Histological
examination
loosening
MTF-treated
groups,
especially
increase
(chromatin
marginalization)
necrotic
(pyknotic
nuclei)
changes.
In
group,
spindle-shaped
remnants
fibrillar
matrix
detected.
Data
proliferating
Ki-67+
by
increasing
concentration
mM.
Different
autophagy/apoptosis
modulated
after
treatment
coinciding
both
apoptotic
tumoroid
structure.
inhibit
dose-dependent
manner.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(3), С. 1341 - 1341
Опубликована: Фев. 5, 2025
Prostate
cancer
(PCa)
is
the
tumour
pathology
with
second
highest
incidence
among
men
worldwide.
PCa
strongly
influenced
by
obesity
(OB),
which
increases
its
aggressiveness.
Hence,
some
metabolic
drugs
like
metformin
have
emerged
as
potential
anti-tumour
agents
against
several
endocrine-related
cancers.
Likewise,
a
high
adherence
to
Mediterranean
diet
has
been
associated
lower
rates
of
OB
and
reduction
in
aggressiveness
since
this
contains
phenolic
bioactive
compounds
such
hydroxytyrosol
(HT)
that
mainly
present
extra
virgin
olive
oil.
Thus,
we
decided
analyse
therapeutic
combination
HT
+
different
cell
models.
Specifically,
combinations
doses
were
evaluated
analysing
proliferation
rate
LNCaP,
22Rv1,
DU-145,
PC−3
cells
using
SynergicFinder
method.
The
results
revealed
synergistic
effect
significantly
reducing
proliferation,
especially
LNCaP
cells.
This
was
also
confirmed
migration
tumoursphere
formation
assays
LNCaP.
effects
on
cycle
apoptosis
assessed
flow-cytometry,
arrest
G1
phase
an
increase
late
observed
metformin.
phosphorylation
levels
critical
components
oncogenic
pathways
measured
reduced
activity
multiple
MAPK,
AKT,
TGF-β
pathways.
Overall,
might
represent
new
avenue
for
management
patients,
observation
certainly
warrants
further
investigation
through
well-designed
clinical
trial.
Journal of Applied Oral Science,
Год журнала:
2025,
Номер
33
Опубликована: Янв. 1, 2025
Abstract
Objective
This
study
evaluated
whether
hypoglycemic
drug
metformin
enhances
the
anti-cancer
effects
of
cisplatin
in
YD-9
cells.
Methodology
cells,
derived
from
oral
mucosal
squamous
cell
carcinoma
mucosa,
were
used
to
assess
combined
and
by
means
MTT
assay,
live
dead
staining,
colony
formation
assays
evaluate
viability
proliferation.
Reactive
oxygen
species
level
was
measured
using
a
Muse
analyzer.
Apoptosis,
epithelial-mesenchymal
transition,
related
molecular
pathways
analyzed
western
blot.
Wound
healing
Transwell
migration
examined
migration,
whereas
monophosphate-activated
protein
kinase
inhibitor
Compound
C,
utilized
investigate
AMPK
pathway.
Results
Sequential
treatment
cells
with
resulted
decreased
proliferation,
increased
ROS
levels,
elevated
apoptosis
compared
individual
drugs.
Moreover,
inhibited
EMT,
wound
healing,
migration.
These
results
correlated
phosphorylation,
key
regulator
cellular
energy
homeostasis.
Introduction
C
pre-treatment
upregulated
N-cadherin
α-smooth
muscle
actin
along
enhanced
Conclusion
found
synergism
between
cisplatin.
Additionally,
introduction
confirmed
that
EMT
inhibition
is
dependent.
findings
indicate
potential
use
as
an
adjunct
treatments,
warranting
further
investigation.
Biomolecules,
Год журнала:
2024,
Номер
14(11), С. 1479 - 1479
Опубликована: Ноя. 20, 2024
Diabetes
mellitus
(DM)
is
a
significant
risk
factor
for
various
cancers,
with
the
impact
of
anti-diabetic
therapies
on
cancer
progression
differing
across
malignancies.
Among
these
therapies,
metformin
has
gained
attention
its
potential
anti-cancer
effects,
primarily
through
modulation
AMP-activated
protein
kinase/mammalian
target
rapamycin
(AMPK/mTOR)
pathway
and
induction
autophagy.
Beyond
metformin,
other
conventional
treatments,
such
as
insulin,
sulfonylureas
(SUs),
pioglitazone,
dipeptidyl
peptidase-4
(DPP-4)
inhibitors,
have
also
been
examined
their
roles
in
biology,
though
findings
are
often
inconclusive.
More
recently,
novel
medications,
like
glucagon-like
peptide-1
(GLP-1)
receptor
agonists,
dual
GLP-1/glucose-dependent
insulinotropic
polypeptide
(GIP)
sodium-glucose
co-transporter-2
(SGLT-2)
revolutionized
DM
management
by
not
only
improving
glycemic
control
but
delivering
substantial
cardiovascular
renal
benefits.
Given
diverse
metabolic
including
anti-obesogenic
properties,
agents
now
under
meticulous
investigation
influence
tumorigenesis
advancement.
This
review
aims
to
offer
comprehensive
exploration
evolving
landscape
glucose-lowering
treatments
implications
biology.
It
critically
evaluates
experimental
evidence
surrounding
molecular
mechanisms
which
medications
may
modulate
oncogenic
signaling
pathways
reshape
tumor
microenvironment
(TME).
Furthermore,
it
assesses
translational
research
clinical
trials
gauge
practical
relevance
real-world
settings.
Finally,
explores
adjuncts
treatment,
particularly
enhancing
efficacy
chemotherapy,
minimizing
toxicity,
addressing
resistance
within
framework
immunotherapy.
Anti-Cancer Drugs,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
The
human
papillomavirus
(HPV)
is
implicated
in
multiple
lethal
cancers,
although
it
more
sensitive
to
certain
therapies
than
HPV-negative
cancers.
Therefore,
the
development
of
targeted
therapeutic
strategies
imperative.
HPV
oncogenes
E6/E7
are
ideal
targets
for
HPV-positive
cancer,
but
there
no
clinical
that
have
been
proven
effectively
target
E6/E7.
Notably,
metformin
significantly
inhibits
expression;
however,
underlying
mechanism
and
potential
remain
unclear,
limiting
its
translation.
Cell
Counting
Kit-8,
ethynyl-2′-deoxyuridine,
terminal-deoxynucleotidyl
transferase-mediated
Nick
end
labeling
assays
were
conducted
evaluate
effects
on
cell
viability,
proliferation,
apoptosis.
Quantitative
real-time
PCR,
western
blotting,
immunofluorescence
performed
determine
changes
p53
expression
levels
following
treatment.
Patient-derived
organoids
in-vivo
xenograft
models
constructed
anticancer
activity
against
cancer.
Our
research
demonstrated
enhanced
sensitivity
cancer
cells
metformin.
Mechanistic
studies
revealed
exerts
by
inhibiting
expression,
which
associated
with
reactivation.
Furthermore,
we
substantiated
patient-derived
tumor
models.
study
focused
responsiveness
metformin,
highlighting
as
a
strategy
Sodium-glucose-linked
transporter
2
inhibitors
(SGLT2i)
may
have
antitumor
effects.
Previous
studies
analyzing
their
role
in
mortality
and
progression
did
not
account
for
potential
confounders,
including
cancer
treatment,
performance
status,
inflammatory
markers,
nutritional
status.
This
study
aims
to
evaluate
the
impact
of
SGLT2i
treatment
on
while
considering
these
confounders.
A
retrospective
cohort
was
conducted.
total
526
patients
with
(302
women,
mean
age
64
years,
range
40-79
years)
were
divided
into
two
cohorts
based
whether
they
taking
at
time
diagnosis
followed
1
year
or
until
death.
All
drugs
standard
clinical
doses.
Additional
data
collected
included
basic
demographic
variables,
metabolic
lifestyle
characteristics,
received,
The
primary
endpoints
progression.
Patients
(n
=
41)
more
likely
type
diabetes,
be
male,
ever-smokers,
older
than
SGLT2i.
In
univariate
analyses,
associated
Instead,
positively
a
T2D,
male
sex,
age,
heavy
alcohol
drinking,
ever-smoker
poor
increased
inflammation,
malnutrition,
tumor
site,
stage,
lack
treatment.
After
adjusting
significantly
Our
results
suggest
that
outcomes
is
limited
under
dosing
conditions.