Visnik Nacional noi academii nauk Ukrai ni,
Год журнала:
2024,
Номер
12, С. 3 - 16
Опубликована: Дек. 19, 2024
Нобелівську
премію
з
фізіології
або
медицини
у
2024
р.
присуджено
двом
американським
вченим:
професору
медичної
школи
Массачусетського
університету
Вустері
Віктору
Амбросу
(Victor
Ambros)
і
молекулярному
біологу
Массачусетської
лікарні,
генетики
в
Гарвардській
медичній
школі
Бостоні
Гері
Равкану
(Gary
Ruvkun)
«за
відкриття
мікроРНК
та
її
ролі
посттранскрипційній
регуляції
генів».
Як
зазначено
пресрелізі
Нобелівського
комітету,
їхнє
новаторське
виявило
абсолютно
новий,
життєво
важливий
регуляторний
механізм,
який
використовується
клітинах
для
контролю
активності
генів.
МікроРНК
виявилися
фундаментально
важливими
розвитку
функціонування
багатоклітинних
організмів,
зокрема
й
організму
людини
—
на
сьогодні
відомо,
що
геном
кодує
понад
тисячу
мікроРНК.
Роботи
цьогорічних
нобелівських
лауреатів
відкрили
новий
вимір
нашого
розуміння
Biosensors,
Год журнала:
2025,
Номер
15(1), С. 58 - 58
Опубликована: Янв. 17, 2025
MicroRNA122
(miR-122)
is
a
microRNA
that
highly
expressed
in
hepatocytes
and
has
been
identified
as
prospective
therapeutic
target
biomarker
for
liver
injury.
An
expanding
body
of
research
demonstrated
miR-122
critical
regulator
both
the
initiation
progression
wide
range
diseases.
Traditional
methods
detecting
mainly
include
Northern
blotting
qRT-PCR,
but
they
are
technically
complex
cumbersome,
requiring
expensive
instruments
high
technical
requirements.
In
this
paper,
we
present
novel
rapid
testing
method
utilizing
lateral
flow
nucleic
acid
biosensor
(LFNAB)
sensitive
time-efficient
detection
miR-122.
This
approach
offers
several
advantages,
including
specificity
miR-122,
ability
to
detect
low
concentrations
molecule,
significantly
reduced
time
compared
conventional
methods.
study,
thiol-modified
single-stranded
DNA
probe
(Det-DNA),
biotinylated
capture
(Cap-DNA),
control
(Con-DNA)
used
construct
LFNAB.
A
gold
nanoparticle
(AuNP)
colored
tag,
which
label
Det-DNA
probe.
The
principle
based
on
dual
DNA-miRNA
hybridization
reactions
LFNAB
form
sandwich-type
AuNP-Det-DNA-miR-122-Cap-DNA
complexes,
captured
test
area
visualization
quantification.
After
systematic
optimization
conditions
experiment,
response
was
linear
within
scope
0
pM-100
pM
limit
15
min
3.90
pM.
use
serum
fingertip
blood
yielded
satisfactory
results.
successful
application
indicates
effectiveness
samples,
showcasing
its
potential
utility
clinical
settings
assessing
levels
different
biological
samples.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(3), С. 1278 - 1278
Опубликована: Фев. 1, 2025
Acute
cardiogenic
pulmonary
edema
(ACPE)
is
a
common
and
serious
manifestation
of
heart
failure
(HF),
representing
10-20%
all
acute
HF
admissions.
It
associated
with
elevated
in-hospital
mortality
high
rates
re-hospitalization.
MicroRs,
like
miR-30d,
are
particular
interest
in
due
to
their
regulatory
role
gene
expression
potential
as
biomarkers
for
diagnosing
predicting
patient
outcomes,
especially
high-risk
cases
such
ACPE.
We
conducted
cohort
study
on
patients
diagnosed
ACPE
the
Emergency
Department
(ED).
The
circulating
levels
miR-30d
were
analyzed
at
time
hospital
admission
one-month
follow-up
along
other
biomarkers.
enrolled
24
10
control
subjects.
Median
age
was
80.8
years
(interquartile
range,
IQR,
8.2)
cases,
78.5
(IQR
9.8)
controls
male/female
ratio
2
0.66,
respectively.
In
patients,
median
cardiac
ejection
fraction
42.5%,
creatinine
1.63
mg/dL
1.24),
troponin
63.5
ng/dL
(58),
NT-proBNP
4243.5
pg/mL
5846)
ED
evaluation.
concentration
miR30d
0.81
controls,
3.67
7.28
enrollment
one
month
later,
Re-hospitalization
occurred
7
following
3
months,
9
during
year.
had
significant
predictive
value
assessing
risk
re-hospitalization
both
months
1
year
initial
diagnosis
ACPE,
while
it
did
not
death
When
compared
biomarkers,
none
them
showed
better
accuracy
than
miR-30d.
Our
findings
suggest
that
an
increased
rate
readmission
after
discharge.
Larger,
multicenter
studies
will
be
needed
confirm
validity
biomarker
useful
prediction
its
utility
improving
individualized
care.
The
significant
role
of
microRNAs
(miRNAs)
in
the
regulation
pathological
ocular
neovascularization
makes
them
both
biomarkers
and
therapeutic
targets
vascular
eye
diseases.
However,
their
acute
sensitive
detection
continue
to
be
a
challenge.
An
integrative
DNA
probe
(detection
probe)
was
developed
enable
single-step
miRNAs
with
high
sensitivity
specificity.
This
combines
functions
specific
target
recognition,
DNAzyme
unit-based
signal
reaction,
polymerase/endonuclease-assisted
cycle.
In
particular,
single-stranded
sequence
that
engages
unit
s2
can
identify
miRNA
liberate
facilitate
reaction
help
metal
ions.
addition,
recycling
process
cycle
were
initiated
by
chain
extension
displacement
process,
resulting
low
limit
4.56
fM.
method
demonstrated
level
septicity
for
capable
distinguishing
interfering
one-base
mismatch.
Our
research
has
shown
nanomachine
is
promising
biosensor
single
step.
It
anticipated
this
technology
will
used
early
diagnosis
therapy
Breast Cancer Research and Treatment,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 9, 2025
Abstract
Purpose
Estrogen
receptor
(ER)-positive
breast
cancer
is
the
most
common
subtype,
accounting
for
approximately
80%
of
cases,
with
endocrine
therapy
as
standard
postoperative
treatment.
However,
despite
risk-reducing
therapies,
risk
recurrence
remains
substantial.
Studies,
including
POETIC
trial,
have
demonstrated
that
low
Ki67
levels
following
short-term
neoadjuvant
(sNAET)
are
associated
a
favorable
prognosis.
The
objective
this
study
to
identify
genes
suppression
cell
cycle
progression
by
sNAET
in
postmenopausal
patients
ER-positive/human
epidermal
growth
factor
2-negative
cancer.
Methods
Ninety-seven
tissue
samples
were
collected
and
classified
into
groups
based
on
expression
before
after
RNA
sequencing
real-time
quantitative
reverse
transcription
PCR
performed
analyze
gene
tumor
from
stratified
High–High
(H–H)
or
High–Low
(H–L)
sNAET.
Results
Among
differentially
expressed
identified,
CXCL9
ABCA12
significantly
upregulated
H–H
group
poor
response
therapy.
Conversely,
NPY1R
was
H–L
group,
suggesting
greater
responsiveness.
In
multivariate
logistic
regression
analysis,
(OR:
0.65,
p
=
0.024)
1.61,
0.048)
significant
predictors
reduction.
Conclusion
These
findings
suggest
could
serve
predictive
biomarkers
response.
Identifying
these
may
facilitate
personalized
treatment
strategies,
addition
therapies
such
chemotherapy
resistant
cases.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 12883 - 12883
Опубликована: Ноя. 29, 2024
MicroRNAs
(miRNAs)
maintain
cellular
homeostasis
by
blocking
mRNAs
binding
with
them
to
fine-tune
the
expression
of
genes
across
numerous
biological
pathways.
The
2024
Nobel
Prize
in
Medicine
and
Physiology
for
discovering
miRNAs
was
long
overdue.
We
anticipate
a
deluge
research
work
involving
repeat
history
prizes
awarded
on
other
RNAs.
Although
miRNA
therapies
are
included
several
complex
diseases,
realization
that
regulate
their
roles
addressing
hundreds
diseases
expected;
but
advancement
drug
discovery
tools,
we
even
faster
entry
new
drugs.
To
promote
this,
provide
details
current
science,
logic,
intellectual
property,
formulations,
regulatory
process
anticipation
many
more
researchers
will
introduce
novel
based
discussion
advice
provided
this
paper.