Diagnostics,
Год журнала:
2024,
Номер
14(18), С. 2090 - 2090
Опубликована: Сен. 21, 2024
The
diagnosis
of
lung
carcinoma
(LC)
is
currently
performed
in
small
biopsies
and
according
to
the
WHO
classification
by
using
limited
stains
spare
tissue
for
molecular
testing.
This
procedure,
however,
often
causes
diagnostic
uncertainty
among
pathologists.
Cancers,
Год журнала:
2025,
Номер
17(7), С. 1110 - 1110
Опубликована: Март 26, 2025
Small-cell
lung
cancer
(SCLC)
is
a
highly
aggressive
malignancy
characterized
by
rapid
proliferation,
early
metastasis,
and
frequent
recurrence,
which
contribute
to
poor
prognosis.
SCLC
defined
the
near-universal
inactivation
of
key
tumor
suppressor
genes,
notably
TP53
RB1,
play
central
roles
in
its
pathogenesis
resistance
therapy.
The
p53
family
proteins,
including
p53,
p63,
p73,
essential
maintaining
cellular
homeostasis
suppression.
mutations
are
almost
ubiquitous
SCLC,
leading
dysregulated
apoptosis
cell
cycle
control.
Moreover,
p73
shows
potential
as
compensatory
mechanism
for
loss,
while
p63
has
minimal
role
this
type.
In
review,
we
explore
molecular
functional
interplay
emphasizing
members'
distinct
yet
interconnected
suppression,
immune
modulation,
therapy
resistance.
We
highlight
emerging
therapeutic
strategies
targeting
these
pathways,
reactivating
mutant
exploiting
synthetic
lethality,
addressing
evasion
mechanisms.
Furthermore,
review
underscores
urgent
need
novel,
isoform-specific
interventions
enhance
treatment
efficacy
improve
patient
outcomes
challenging
disease.
Environmental Toxicology,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 6, 2024
Cigarette
smoking
causes
multiple
cancers
by
directly
influencing
mutation
burden
of
driver
mutations.
However,
the
mechanism
between
somatic
caused
cigarette
and
bladder
tumorigenesis
remains
elusive.
Smoking-related
profile
cancer
was
characterized
The
Cancer
Genome
Atlas
cohort.
Integraticve
OncoGenomics
database
utilized
to
detect
smoking-related
genes,
its
biological
predictions
were
interpreted
based
on
bulk
transcriptome
single-cell
transcriptome,
as
well
cell
experiments.
associated
with
an
increased
tumor
mutational
under
65
years
old
(p
=
0.031),
generated
specific
signatures
in
smokers.
RB1
identified
a
differentially
mutated
gene
smokers
nonsmokers,
rate
twofold
after
0.008).
mutations
4-aminobiphenyl
interference
could
significantly
decrease
expression
level
thus
promote
proliferation,
invasion,
migration
ability
cells.
Enrichment
analysis
real-time
quantitative
PCR
(RT-qPCR)
data
showed
that
inhibited
cytochrome
P450
pathway
reducing
levels
UGT1A6
AKR1C2.
In
addition,
we
also
observed
component
immunological
cells
regulated
through
stronger
cell-to-cell
interactions
epithelial
scissor
Cancers,
Год журнала:
2024,
Номер
16(12), С. 2239 - 2239
Опубликована: Июнь 17, 2024
Mortalin,
a
member
of
the
Hsp70
family
proteins,
is
commonly
enriched
in
many
types
cancers.
It
promotes
carcinogenesis
and
metastasis
multiple
ways
which
inactivation
tumor
suppressor
activity
p53
has
been
firmly
established.
The
downregulation
mortalin
and/or
disruption
mortalin–p53
interactions
by
small
molecules
earlier
shown
to
activate
function
yielding
growth
arrest/apoptosis
cancer
cells.
Mortaparibs
(Mortaparib,
MortaparibPlus,
MortaparibMild)
are
chemical
inhibitors
isolated
cell-based
two-way
screening
involving
(i)
shift
staining
pattern
from
perinuclear
(characteristics
cells)
pancytoplasmic
normal
(ii)
nuclear
enrichment
p53.
They
have
similar
structures
also
cause
inhibition
PARP1
hence
were
named
Mortaparibs.
In
present
study,
we
report
anticancer
anti-metastasis
MortaparibMild
(4-[(4-amino-5-thiophen-2-yl-1,2,4-triazol-3-yl)sulfanylmethyl]-N-(4-methoxyphenyl)-1,3-thiazol-2-amine)
p53-null
By
extensive
molecular
analyses
cell
proliferation,
arrest,
apoptosis
pathways,
demonstrate
that
although
it
causes
relatively
weaker
cytotoxicity
compared
Mortaparib
its
lower
concentrations
equally
potent
inhibit
migration.
We
developed
combinations
(called
MortaparibMix-AP,
MortaparibMix-AM,
MortaparibMix-AS)
consisting
different
ratios
three
for
specifically
enhancing
their
anti-proliferation,
anti-migration,
antistress
activities,
respectively.
Based
on
control
treated
cells,
suggest
mixtures
may
be
considered
further
laboratory
clinical
studies
validating
use
treatment
as
well
prevention
relapse
metastasis.
Fundamental and Clinical Pharmacology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
Abstract
Background
Small
cell
lung
cancer
(SCLC)
is
a
highly
aggressive
type
of
for
which
platinum‐based
chemotherapy
the
standard
care.
Despite
an
initial
response
to
this
therapy,
patients
eventually
develop
resistance
chemotherapy.
Objectives
To
investigate
potential
capivasertib,
approved
drug
advanced
breast
cancer,
enhance
efficacy
cisplatin
in
preclinical
SCLC
models
and
explore
underlying
mechanisms.
Methods
lines
were
treated
with
capivasertib
cisplatin,
alone
or
combination,
assess
viability,
proliferation,
colony
formation,
apoptosis.
Next,
capivasertib's
effects,
combined
evaluated
mouse
model.
Mechanistic
studies
focused
on
Akt
MYC
signaling,
constitutively
active
overexpression
used
its
role.
Results
Capivasertib
against
panel
regardless
cellular
origin
genetic
profiling
IC50
at
clinically
achievable
range.
Particularly,
inhibits
proliferation
anchorage‐independent
formation
induces
apoptosis
cells.
It
significantly
augments
cisplatin's
inhibitory
effects
all
tested
lines.
Importantly,
non‐toxic
dose
effective
delaying
growth
mice
combination
achieves
nearly
complete
tumor
inhibition.
confirm
that
furthermore,
reversed
anti‐SCLC
activity
capivasertib.
Conclusion
Our
work
first
reveal
inhibition
can
augment
SCLC,
useful
addition
treatment
armamentarium
SCLC.