International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(19), P. 10781 - 10781
Published: Oct. 7, 2024
Triple-negative
breast
cancer
(TNBC)
is
a
challenging
subtype
of
characterized
by
the
absence
estrogen
and
progesterone
receptors
HER2
expression,
leading
to
limited
treatment
options
poorer
prognosis.
TNBC
particularly
prevalent
in
premenopausal
African-descent
women
associated
with
aggressive
tumor
behavior
higher
metastatic
potential.
Tumor-associated
macrophages
(TAMs)
are
abundantly
present
within
microenvironment
play
pivotal
roles
promoting
growth,
progression,
metastasis
through
various
mechanisms,
including
immune
suppression
enhancement
angiogenesis.
This
review
provides
an
in-depth
overview
TNBC,
focusing
on
its
epidemiology,
molecular
characteristics,
critical
influence
TAMs.
It
discusses
pathological
aspects
that
define
TNBC’s
nature
reviews
current
emerging
therapeutic
strategies
aimed
at
targeting
these
dynamics.
Special
attention
given
role
TAMs,
exploring
their
potential
as
targets
due
significant
impact
patient
outcomes.
aims
highlight
complexities
landscape
innovative
approaches
currently
being
pursued
improve
efficacy
survival.
Cancers,
Journal Year:
2025,
Volume and Issue:
17(2), P. 228 - 228
Published: Jan. 12, 2025
Triple-negative
breast
cancer
(TNBC)
is
one
of
the
most
difficult
subtypes
to
treat
due
its
distinct
clinical
and
molecular
characteristics.
Patients
with
TNBC
face
a
high
recurrence
rate,
an
increased
risk
metastasis,
lower
overall
survival
compared
other
subtypes.
Despite
advancements
in
targeted
therapies,
traditional
chemotherapy
(primarily
using
platinum
compounds
taxanes)
continues
be
standard
treatment
for
TNBC,
often
limited
long-term
efficacy.
tumors
are
heterogeneous,
displaying
diverse
mutation
profile
considerable
chromosomal
instability,
which
complicates
therapeutic
interventions.
The
development
chemoresistance
frequently
associated
process
epithelial–mesenchymal
transition
(EMT),
during
epithelial
tumor
cells
acquire
mesenchymal-like
phenotype.
This
shift
enhances
metastatic
potential,
while
simultaneously
reducing
effectiveness
chemotherapeutics.
It
has
also
been
suggested
that
EMT
plays
central
role
stem
cells.
Hence,
there
growing
interest
exploring
small-molecule
inhibitors
target
as
future
strategy
overcoming
resistance
improving
outcomes
patients
TNBC.
review
focuses
on
progression
drug
emphasis
these
processes.
We
present
TNBC-specific
EMT-related
features,
key
protein
markers,
various
signaling
pathways
involved.
discuss
important
mechanisms
factors
related
within
context
EMT,
highlighting
improve
patients’
outcomes.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(24), P. 13518 - 13518
Published: Dec. 17, 2024
Triple-negative
breast
cancer
(TNBC)
represents
roughly
one-sixth
of
all
patients,
but
accounts
for
30–40%
deaths.
Due
to
the
lack
typical
biomarkers
exploited
clinically
cancer,
it
remains
very
difficult
treat.
Moreover,
its
intrinsic
high
heterogeneity
and
proneness
become
resistant
drugs
administered
makes
treatment
management
challenging
oncologists.
Herein,
we
outline
different
therapies
used
currently
TNBC
list
ongoing
clinical
trials
provide
an
overview
most
recent
therapeutic
landscape.
In
addition,
highlight
emerging
in
preclinical
stage
that
hold
promise,
such
as
epigenetic
modulators,
CRISPR,
miniproteins,
radioconjugates,
vaccines,
PROTACs.
navigate
through
existing
limitations
challenges
which
hamper
development
new
more
effective
treatments
TNBC.
Lastly,
point
directions
may
revolutionize
future
therapy
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(2), P. 207 - 207
Published: Feb. 3, 2025
Breast
cancer
is
the
most
common
malignancy
affecting
women,
manifesting
as
a
heterogeneous
disease
with
diverse
molecular
characteristics
and
clinical
presentations.
Recent
studies
have
elucidated
role
of
epigenetic
modifications
in
pathogenesis
breast
cancer,
including
drug
resistance
efflux
characteristics,
offering
potential
new
diagnostic
prognostic
markers,
treatment
efficacy
predictors,
therapeutic
agents.
Key
include
DNA
cytosine
methylation
covalent
modification
histone
proteins.
Unlike
genetic
mutations,
reprogramming
landscape
epigenome
promising
targeted
therapy
for
reversal
resistance.
Epidrugs,
which
target
modifications,
can
provide
novel
options
by
reversing
acquired
to
treatment.
Currently,
approach
involves
combination
therapies
consisting
epidrugs
immune
checkpoint
inhibitors.
This
review
examines
aberrant
regulation
initiation
progression,
focusing
on
related
estrogen
signaling,
resistance,
epithelial–mesenchymal
transition
(EMT).
It
existing
drugs
treating
agents
that
modify
DNA,
inhibitors
acetyltransferases,
deacetylases,
methyltransferases,
demethyltransferases.
also
delves
into
ongoing
combining
other
addresses
upcoming
obstacles
this
field.
Cuadernos de Educación y Desarrollo,
Journal Year:
2025,
Volume and Issue:
17(2), P. e7468 - e7468
Published: Feb. 6, 2025
O
câncer
de
mama
é
a
neoplasia
maligna
mais
prevalente
entre
as
mulheres
globalmente,
representando
um
desafio
significativo
à
saúde
pública.
Este
estudo
investiga
crescente
incidência
em
jovens
no
Brasil
2014
e
2023,
com
ênfase
na
faixa
etária
40
49
anos,
historicamente
excluída
das
diretrizes
nacionais
rastreamento.
A
análise
dos
dados
do
Sistema
Informação
Câncer
(SISCAN)
evidencia
aumento
substancial
número
mamografias
realizadas,
particularmente
após
2020,
uma
recuperação
observada
período
pós-pandêmico.
Entretanto,
alta
proporção
exames
inconclusivos
(BI-RADS
0)
revela
necessidade
aprimoramentos
técnicos
da
capacitação
profissionais
saúde.
Os
também
mostram
detecção
carcinomas
ductal
in
situ
invasivos,
além
redução
nos
diagnósticos
estágios
avançados,
o
que
sugere
possível
contribuição
rastreamento
ampliado
para
precoce.
No
entanto,
crescimento
tumores
triplo-negativos,
variante
agressiva
doença,
ressalta
urgência
desenvolvimento
estratégias
terapêuticas
eficazes.
geral
casos
mama,
associado
às
variações
estadiamento,
indica
reformular
os
programas
precoce
Brasil.
intensificação
campanhas
conscientização,
ampliação
acesso
preventivos
aprimoramento
sistema
registro
oncológico
são
fundamentais
oferecer
compreensão
detalhada
cenário
país.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 26, 2025
Triple-negative
breast
cancer
(TNBC)
is
a
highly
malignant
tumor
in
women,
characterized
by
high
morbidity,
mortality,
and
recurrence
rates.
Although
surgical
treatment,
radiotherapy,
chemotherapy
are
the
mainstays
of
current
treatment
methods,
heterogeneity
TNBC
results
unsatisfactory
outcomes
with
low
5-year
survival
Rapid
advancements
omics
technology
have
propelled
understanding
molecular
biology.
The
emergence
single-cell
RNA
sequencing
(scRNA-seq)
spatial
transcriptomics
(ST)
has
significantly
enhanced
knowledge
distribution,
functionality,
intercellular
interactions
various
cell
types
within
microenvironment,
including
cells,
T
B
macrophages,
fibroblasts.
present
study
provides
an
overview
technical
characteristics
scRNA-seq
ST,
highlighting
their
applications
exploring
heterogeneity,
distribution
patterns,
interactions.
This
review
aims
to
enhance
comprehension
at
cellular
level
for
development
effective
therapeutic
targets.
Pharmacological Research,
Journal Year:
2025,
Volume and Issue:
215, P. 107726 - 107726
Published: April 4, 2025
Triple-negative
breast
cancer
(TNBC)
is
an
aggressive
subtype
of
with
limited
treatment
options
and
poor
prognosis.
The
gut
microbiota,
a
diverse
community
microorganisms
in
the
gastrointestinal
tract,
plays
crucial
role
regulating
immune
responses
through
gut-immune
axis.
Recent
studies
have
highlighted
its
significant
impact
on
TNBC
progression
efficacy
immunotherapies.
This
review
examines
interactions
between
microbiota
system
TNBC,
focusing
key
cells
pathways
involved
tumor
immunity.
It
also
explores
modulation
strategies,
including
probiotics,
prebiotics,
dietary
interventions,
fecal
transplantation,
as
potential
methods
to
enhance
immunotherapeutic
outcomes.
Understanding
these
mechanisms
offers
promising
avenues
for
improving
patient
prognosis
TNBC.
Cancer Genomics & Proteomics,
Journal Year:
2024,
Volume and Issue:
21(5), P. 502 - 510
Published: Aug. 27, 2024
Matrix
metalloproteinase-2
(MMP-2)
has
been
implicated
in
the
pathogenesis
of
breast
cancer
(BC).
However,
there
is
limited
research
on
role
MMP-2
genotypes
BC
risk.
This
study
aimed
to
investigate
associations
between
two
promoter
polymorphisms,
rs243865
and
rs2285053,
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(15), P. 8432 - 8432
Published: Aug. 2, 2024
Breast
cancer
is
the
most
diagnosed
type
of
worldwide
and
second
cause
death
in
women.
Triple-negative
breast
(TNBC)
aggressive,
due
to
lack
specific
targets,
it
considered
challenging
subtype
treat
with
worst
prognosis.
The
present
study
aims
determine
antitumor
effect
beta-D-glucose-reduced
silver
nanoparticles
(AgNPs-G)
a
murine
model
TNBC,
as
well
its
on
tumor
microenvironment.
In
an
airbag
4T1
cell
implantation,
administration
AgNPs-G
or
doxorubicin
showed
antitumoral
activity.
Using
immunohistochemistry
was
demonstrated
that
treatment
decreased
expression
PCNA,
IDO,
GAL-3
increased
Caspase-3.
microenvironment,
percentage
memory
T
cells
innate
effector
CD4+
regulatory
cells.
There
also
increase
levels
TNF-α,
IFN-γ,
IL-6,
while
TNF-α
serum.
conclusion,
we
suggest
has
by
ability
remodel
microenvironment
mice
TNBC.