Science in the South of Russia,
Год журнала:
2023,
Номер
4, С. 109 - 116
Опубликована: Янв. 1, 2023
Рак
предстательной
железы
является
наиболее
часто
диагностируемым
видом
рака
и
второй
по
значимости
причиной
смертности
от
среди
мужчин.
В
развитии
прогрессировании
участвуют
сложные
генетические
эпигенетические
механизмы.
последние
годы
накапливаются
данные,
свидетельствующие
о
том,
что
аберрантная
экспрессия
микроРНК
способствует
развитию
гормонорезистентности
радиорезистентности
при
раке
железы.
МикроРНК
это
короткие
некодирующие
РНК,
участвующие
в
процессе
посттранскрипционной
регуляции
работы
генов.
Многочисленные
исследования
продемонстрировали,
нацелены
на
критические
гены,
агрессивности
железы,
регулируют
их.
Однако
молекулярные
механизмы,
лежащие
основе
вовлечения
резистентный
к
лечению
рак
остаются
неясными.
Цель
обзора
проанализировать
роль
молекулярных
механизмах
развития
клинически
агрессивных
форм
Широкий
спектр
генов-мишеней
существенное
изменение
профилей
экспрессии
переходе
злокачественных
клеток
радиорезистентное
гормонорезистентное
состояние
делает
перспективными
кандидатами
для
поиска
прогностических
маркеров
определения
мишеней
таргетной
терапии.
Анализ
ключевых
микроРНК,
участвующих
показал,
с
помощью
которых
опосредуют
развитие
включают
апоптоз,
рост
пролиферацию
клеток,
раковые
стволовые
клетки,
аутофагию,
регуляцию
эпителиально-мезенхимального
перехода,
а
также
клеточную
миграцию
инвазию.
Frontiers in Bioengineering and Biotechnology,
Год журнала:
2023,
Номер
11
Опубликована: Июль 27, 2023
MicroRNAs
(miRNAs)
are
short
(18-25
nt),
non-coding,
widely
conserved
RNA
molecules
responsible
for
regulating
gene
expression
via
sequence-specific
post-transcriptional
mechanisms.
Since
the
human
miRNA
transcriptome
regulates
of
a
number
tumor
suppressors
and
oncogenes,
its
dysregulation
is
associated
with
clinical
onset
different
types
cancer.
Despite
fact
that
numerous
therapeutic
approaches
have
been
designed
in
recent
years
to
treat
cancer,
complexity
disease
manifested
by
each
patient
has
prevented
development
highly
effective
management
strategy.
However,
over
past
decade,
artificial
miRNAs
(i.e.,
anti-miRNAs
mimics)
shown
promising
results
against
various
cancer
types;
nevertheless,
their
targeted
delivery
could
be
challenging.
Notably,
reports
nanotechnology-based
can
greatly
contribute
hindering
initiation
processes,
representing
an
innovative
disease-modifying
strategy
Hence,
this
review,
we
evaluate
recently
developed
drug
systems
therapeutics
discuss
potential
challenges
future
directions,
such
as
use
plant-made
nanoparticles,
phytochemical-mediated
modulation
miRNAs,
nanozymes.
Journal of Functional Biomaterials,
Год журнала:
2025,
Номер
16(3), С. 98 - 98
Опубликована: Март 12, 2025
Abnormal
expression
of
miRNAs
is
associated
with
the
occurrence
and
progression
cancer
other
diseases,
making
essential
biomarkers
for
disease
diagnosis
prognosis.
However,
intrinsic
properties
miRNAs,
such
as
short
length,
low
abundance,
high
sequence
homology,
represent
great
challenges
fast
accurate
miRNA
detection
in
clinics.
Herein,
we
developed
a
novel
hybridization
chain
reaction
(HCR)-based
electrochemical
chip
(e-miRchip),
featured
gold
nanostructured
electrodes
(GNEs)
silver
nanoparticle
reporters
(AgNRs),
sensitive
multiplexed
detection.
AgNRs
were
synthesized
applied
on
e-miRchip
to
generate
strong
redox
signals
presence
miRNA.
The
stem–loop
capture
probe
was
covalently
immobilized
GNEs,
opened
upon
consequently
trigger
HCR
signal
amplification.
multiple
long-repeated
DNA
helix
generated
by
provides
binding
sites
AgNRs,
contributing
amplification
hybridization.
To
optimize
sensitivity,
GNEs
three
distinct
structures
electroplated,
which
flower-like
found
be
best
electrode
morphology
analysis.
Under
optimal
conditions,
HCR-based
showed
an
excellent
performance
LOD
0.9
fM
linear
range
from
1
10
pM.
Moreover,
this
platform
able
effectively
distinguish
one-
or
two-base
mismatches.
This
holds
potential
highly
efficient
promising
prognosis
diseases
future.
Frontiers in Cell and Developmental Biology,
Год журнала:
2025,
Номер
13
Опубликована: Март 25, 2025
This
study
examines
the
critical
role
of
non-coding
RNAs
(ncRNAs)
in
regulating
epithelial-mesenchymal
transition
(EMT)
breast
cancer,
a
prevalent
malignancy
with
significant
metastatic
potential.
EMT,
wherein
cancer
cells
acquire
mesenchymal
traits,
is
fundamental
to
metastasis.
ncRNAs—such
as
microRNAs
(miRNAs),
long
(lncRNAs),
and
circular
(circRNAs)—modulate
EMT
by
influencing
gene
expression
signaling
pathways,
affecting
cell
migration
invasion.
review
consolidates
recent
findings
on
ncRNA-mediated
regulation
explores
their
diagnostic
therapeutic
Specifically,
miRNAs
inhibit
EMT-related
transcription
factors,
while
lncRNAs
circRNAs
regulate
through
interactions
miRNAs,
impacting
progression.
Given
influence
ncRNAs
metastasis
resistance,
advancing
ncRNA-based
biomarkers
treatments
holds
promise
for
improving
outcomes.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(11), С. 9160 - 9160
Опубликована: Май 23, 2023
MicroRNAs
(miRNAs)
are
small,
non-coding
RNAs
that
play
an
important
role
in
regulating
gene
expression.
Dysregulation
of
miRNA
expression
is
commonly
observed
cancer,
and
it
can
contribute
to
malignant
cell
growth.
Melanoma
the
most
fatal
type
skin
neoplasia.
Some
microRNAs
be
prospective
biomarkers
for
melanoma
stage
IV
(advanced)
at
higher
risk
relapses
require
validation
diagnostic
purposes.
This
work
aimed
(1)
determine
significant
microRNA
biomarker
candidates
using
content
analysis
scientific
literature,
(2)
show
candidates’
efficacy
between
patients
healthy
control
groups
a
small-scale
preliminary
study
by
blood
plasma
PCR
analysis,
(3)
markers
MelCher
human
line,
which
also
detected
with
melanoma,
used
as
drug
anti-melanoma
activity,
(4)
test
activity
humic
substances
chitosan
their
ability
reduce
level
marker
microRNAs.
The
literature
showed
hsa-miR-149-3p,
hsa-miR-150-5p,
hsa-miR-193a-3p,
hsa-miR-21-5p,
hsa-miR-155-5p
promising
diagnosing
melanoma.
Estimating
samples
hsa-miR-150-5p
may
have
value
(advanced).
When
comparing
ΔCt
levels
donors,
statistically
differences
were
found
(p
=
0.001
p
respectively).
Rates
significantly
among
(medians
concerning
reference
miR-320a
1.63
(1.435;
2.975)
6.345
(4.45;
6.98),
Therefore,
they
persist
only
from
group
but
not
donors
group.
In
wild-type
(MelCher)
culture,
presence
supernatant
was
detected.
substance
fractions
tested
on
cultures,
associated
activity.
It
hymatomelanic
acid
(HMA)
fraction
its
subfraction
UPLC-HMA
reduced
miR-150-5p
miR-155-5p
≤
0.05).
For
(HA)
fraction,
this
determined
Ability
cultures
molecular
weight
10
kDa,
120
or
500
kDa.
Anti-melanoma
MTT
explored
substances.
median
toxic
concentration
(TC50)
HA,
HMA
(39.3,
39.7
52.0
μg/mL,
kDa
TC50
much
compared
(508.9,
6615.9,
11352.3
Thus,
our
pilot
identified
testing
vitro
drugs
diagnostics
patients.
Using
gives
opportunities
new
culture
has
profile
similar
unlike,
example,
murine
cultures.
necessary
conduct
further
studies
large
number
volunteers,
will
make
possible
correlate
individual
specific
patient
data,
including
correlation
Frontiers in Immunology,
Год журнала:
2023,
Номер
14
Опубликована: Авг. 31, 2023
Triple-negative
breast
cancer
(TNBC)
is
a
very
aggressive
form
of
that
grows
and
spreads
fast
generally
relapses.
Therapeutic
options
TNBC
are
limited
still
need
to
be
explored
completely.
Gold
nanoparticles
conjugated
with
citrate
(citrate-AuNPs)
reported
have
anticancer
potential;
however,
their
role
in
regulating
microRNAs
(miRNAs)
has
never
been
investigated.
This
study
investigated
the
potential
citrate-AuNPs
against
tumorigenic
inflammation
via
modulation
miRNAs
cells.Gold
were
chemically
synthesized
using
trisodium-citrate
method
characterized
by
UV-Vis
spectrophotometry
dynamic
light
scattering
studies.
Targetscan
bioinformatics
was
used
analyze
miRNA
target
genes.
Levels
mRNA
quantified
TaqMan
assays.
The
pairing
3'untranslated
region
(3'UTR)
validated
luciferase
reporter
clone,
containing
entire
3'UTR
mRNA,
findings
further
re-validated
transfection
inhibitors.Newly
highly
stable,
mean
size
28.3
nm.
data
determined
hsa-miR155-5p
direct
regulator
SOCS1
(suppressor-of-cytokine-signaling)
expression
inhibits
mRNA/protein
modulating
expression.
Transfection
MDA-MB-231
cells
anti-miR155-5p
markedly
increased
(p<0.001),
while
treatment
significantly
inhibited
transfection-induced
(p<0.05).
These
IFN-γ-stimulated
cells.
Moreover,
also
inhibit
IFN-γ-induced
NF-κB
p65/p50
activation
transfected
anti-hsa-miR155-5p.Newly
generated
stable
non-toxic
Citrate-AuNPs
deactivate
p65/50
activity
negative
regulation
hsa-miR155-5p.
novel
pharmacological
actions
on
provide
insights
AuNPs
IFN-γ
induced
microRNAs.
International Journal of Nanomedicine,
Год журнала:
2024,
Номер
Volume 19, С. 8641 - 8660
Опубликована: Авг. 1, 2024
Osteosarcoma
is
the
predominant
primary
malignant
bone
tumor
that
poses
a
significant
global
health
challenge.
MicroRNAs
(miRNAs)
regulate
gene
expression
are
associated
with
osteosarcoma
pathogenesis.
Thus,
miRNAs
potential
therapeutic
targets
for
osteosarcoma.
Nanoparticles,
widely
used
targeted
drug
delivery,
facilitate
miRNA-based
treatment.
Numerous
studies
have
focused
on
miRNA
delivery
using
nanoparticles
to
inhibit
progress
of
Polymer-based,
lipid-based,
inorganic-based
and
extracellular
vesicles
were
deliver
treatment
They
can
be
modified
enhance
loading
capabilities.
Also,
was
combined
traditional
therapies,
example
chemotherapy,
treat
Consequently,
offers
promising
avenues
osteosarcoma,
providing
renewed
hope
patients.
This
review
emphasizes
utilizing
in
treatment,
then
introduced
summarized
detail.
And
it
also
discusses
prospects
clinical
applications.