Frontiers in Pharmacology,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 8, 2025
Micropeptides,
these
small
proteins
derived
from
non-coding
RNA,
typically
consist
of
no
more
than
100
amino
acids
in
length.
Despite
the
challenges
analysis
and
identification,
their
various
critical
functions
within
organisms
cannot
be
overlooked.
They
play
a
significant
role
maintaining
energy
metabolism
balance,
regulating
immune
system,
influencing
development
tumors,
which
also
gives
them
decisive
impact
on
occurrence
diseases.
This
review
aims
to
outline
potential
value
micropeptides,
introducing
tissue
classification
distribution,
biological
functions,
mechanisms,
with
focus
as
diagnostic
markers
therapeutic
drugs.
Nucleic Acids Research,
Год журнала:
2022,
Номер
51(D1), С. D186 - D191
Опубликована: Окт. 19, 2022
LncBook,
a
comprehensive
resource
of
human
long
non-coding
RNAs
(lncRNAs),
has
been
used
in
wide
range
lncRNA
studies
across
various
biological
contexts.
Here,
we
present
LncBook
2.0
(https://ngdc.cncb.ac.cn/lncbook),
with
significant
updates
and
enhancements
as
follows:
(i)
incorporation
119
722
new
transcripts,
9632
genes,
gene
structure
update
21
305
lncRNAs;
(ii)
characterization
conservation
features
genes
40
vertebrates;
(iii)
integration
lncRNA-encoded
small
proteins;
(iv)
enrichment
expression
DNA
methylation
profiles
more
contexts
(v)
identification
lncRNA-protein
interactions
improved
prediction
lncRNA-miRNA
interactions.
Collectively,
accommodates
high-quality
collection
95
243
323
950
transcripts
incorporates
their
abundant
annotations
at
different
omics
levels,
thereby
enabling
users
to
decipher
functional
significance
lncRNAs
Frontiers in Pharmacology,
Год журнала:
2023,
Номер
14
Опубликована: Фев. 23, 2023
Poly
(ADP-ribose)
polymerase
1
(PARP1)
is
a
key
DNA
damage
sensor
that
recruited
to
damaged
sites
after
strand
breaks
initiate
repair.
This
achieved
by
catalyzing
attachment
of
ADP-ribose
moieties,
which
are
donated
from
NAD
+
,
on
the
amino
acid
residues
itself
or
other
acceptor
proteins.
PARP
inhibitors
(PARPi)
inhibit
catalytic
activity
and
induce
trapping
commonly
used
for
treating
BRCA1/2
-deficient
breast
ovarian
cancers
through
synergistic
lethality.
Unfortunately,
resistance
PARPi
frequently
occurs.
In
this
review,
we
present
novel
substrates
regulators
PARP1-catalyzed
poly
(ADP-ribosyl)ation
(PARylatison)
have
been
identified
in
last
3
years.
The
overall
aim
presentation
protein
interactions
potential
therapeutic
intervention
overcoming
PARPi.
Translational Oncology,
Год журнала:
2024,
Номер
41, С. 101893 - 101893
Опубликована: Янв. 29, 2024
Triple-negative
breast
cancer
(TNBC)
is
a
subtype
of
with
poor
prognosis.
The
number
cases
increased
by
2.26
million
in
2020,
making
it
the
most
commonly
diagnosed
type
world.
TNBCs
lack
hormone
receptor
(HR)
and
human
epidermal
growth
factor
2
(HER2),
which
limits
treatment
options.
Currently,
paclitaxel-based
drugs
combined
other
chemotherapeutics
remain
main
for
TNBC.
There
currently
no
consensus
on
best
therapeutic
regimen
However,
there
have
been
successful
clinical
trials
exploring
large-molecule
monoclonal
antibodies,
small-molecule
targeted
drugs,
novel
antibody-drug
conjugate
(ADC).
Although
antibodies
produced
success,
their
large
molecular
weight
can
limit
benefits.
It
worth
noting
that
past
30
years,
FDA
has
approved
small
molecule
HER2-positive
cancers.
effective
targets
occurrence
drug
resistance
pose
significant
challenges
To
improve
prognosis
TNBC,
crucial
to
search
overcome
resistance.
This
review
examines
efficacy,
adverse
effects,
mechanisms,
potential
solutions
both
monotherapies
combination
therapies.
New
targets,
including
nuclear
export
protein
1
(XPO1)
hedgehog
(Hh),
are
emerging
as
options
researchers
become
integrated
into
Additionally,
growing
interest
degradation
chimeras
(PROTACs),
degraders
rogue
proteins,
future
therapy
direction.
provides
potentially
valuable
insights
implications.
Genes & Development,
Год журнала:
2024,
Номер
38(7-8), С. 294 - 307
Опубликована: Апрель 1, 2024
Synaptic
function
in
neurons
is
modulated
by
local
translation
of
mRNAs
that
are
transported
to
distal
portions
axons
and
dendrites.
The
metastasis‐associated
lung
adenocarcinoma
transcript
1
(
MALAT1
)
broadly
expressed
across
cell
types,
almost
exclusively
as
a
nuclear
long
noncoding
RNA.
We
found
differentiating
neurons,
portion
Malat1
RNA
redistributes
the
cytoplasm.
Depletion
using
antisense
oligonucleotides
(ASOs)
stimulates
expression
particular
pre-
postsynaptic
proteins,
implicating
their
regulation.
Neuronal
localized
puncta
both
dendrites
costain
with
Staufen1
protein,
similar
neuronal
granules
formed
locally
translated
mRNAs.
Ribosome
profiling
cultured
mouse
cortical
identified
ribosome
footprints
within
5′
region
containing
short
open
reading
frames.
upstream-most
frame
(M1)
locus
was
linked
GFP-coding
sequence
embryonic
stem
cells.
When
these
gene-edited
cells
were
differentiated
into
glutamatergic
M1-GFP
fusion
protein
expressed.
Antibody
staining
for
M1
peptide
confirmed
its
presence
wild-type
showed
enhanced
synaptic
stimulation
KCl.
Our
results
indicate
serves
cytoplasmic
coding
brain
modulates
function.
Cancer Cell International,
Год журнала:
2024,
Номер
24(1)
Опубликована: Июль 19, 2024
Abstract
Dysregulated
gene
expression
and
imbalance
of
transcriptional
regulation
are
typical
features
cancer.
RNA
always
plays
a
key
role
in
these
processes.
Human
transcripts
contain
many
RNAs
without
long
open
reading
frames
(ORF,
>
100
aa)
that
more
than
200
bp
length.
They
usually
regarded
as
non-coding
(lncRNA)
which
play
an
important
cancer
regulation,
including
chromatin
remodeling,
translational
miRNA
sponges.
With
the
advancement
ribosome
profiling
sequencing
technologies,
increasing
research
evidence
revealed
some
ORFs
lncRNA
can
also
encode
peptides
participate
multiple
organ
tumors,
undoubtedly
opens
new
chapter
field
oncology
research.
In
this
review,
we
discuss
biological
function
current
methods
to
evaluate
their
coding
potential
functional
small
encoded
by
cancers.
Investigating
understanding
regulatory
mechanisms
may
contribute
deeper
development
targeted
anticancer
therapies.
Kernel
dehydration
rate
(KDR)
is
a
crucial
production
trait
that
affects
mechanized
harvesting
and
kernel
quality
in
maize;
however,
the
underlying
mechanisms
remain
unclear.
Here,
we
identified
quantitative
locus
(QTL),
qKDR1,
as
non-coding
sequence
regulates
expression
of
qKDR1
REGULATED
PEPTIDE
GENE
(RPG).
RPG
encodes
31
amino
acid
micropeptide,
microRPG1,
which
controls
KDR
by
precisely
modulating
two
genes,
ZmETHYLENE-INSENSITIVE3-like
1
3,
ethylene
signaling
pathway
kernels
after
filling.
microRPG1
Zea
genus-specific
micropeptide
originated
de
novo
from
sequence.
Knockouts
result
faster
maize.
By
contrast,
overexpression
or
exogenous
application
shows
opposite
effect
both
maize
Arabidopsis.
Our
findings
reveal
molecular
mechanism
provide
an
important
tool
for
future
crop
breeding.
Cancer Cell International,
Год журнала:
2024,
Номер
24(1)
Опубликована: Апрель 15, 2024
Abstract
Some
noncoding
RNAs
(ncRNAs)
carry
open
reading
frames
(ORFs)
that
can
be
translated
into
micropeptides,
although
have
been
previously
assumed
to
constitute
a
class
of
RNA
transcripts
without
coding
capacity.
Furthermore,
recent
studies
revealed
ncRNA-derived
micropeptides
exhibit
regulatory
functions
in
the
development
many
tumours.
Although
some
these
inhibit
tumour
growth,
others
promote
it.
Understanding
role
ncRNA-encoded
cancer
poses
new
challenges
for
research,
but
also
offers
promising
prospects
therapy.
In
this
review,
we
summarize
types
ncRNAs
encode
highlighting
technical
developments
made
it
easier
research
such
as
ribosome
analysis,
mass
spectrometry,
bioinformatics
methods,
and
CRISPR/Cas9.
based
on
distribution
different
subcellular
locations,
explain
biological
human
cancers
discuss
their
underestimated
potential
diagnostic
biomarkers
anticancer
therapeutic
targets
clinical
applications,
information
may
contribute
discovery
micropeptide-based
tools
early
diagnosis
drug
development.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(13), С. 10562 - 10562
Опубликована: Июнь 23, 2023
Small
open
reading
frames
(sORFs)
are
often
overlooked
features
in
genomes.
In
the
past,
they
were
labeled
as
noncoding
or
“transcriptional
noise”.
However,
accumulating
evidence
from
recent
years
suggests
that
sORFs
may
be
transcribed
and
translated
to
produce
sORF-encoded
polypeptides
(SEPs)
with
less
than
100
amino
acids.
The
vigorous
development
of
computational
algorithms,
ribosome
profiling,
peptidome
has
facilitated
prediction
identification
many
new
SEPs.
These
SEPs
revealed
involved
a
wide
range
basic
biological
processes,
such
gene
expression
regulation,
embryonic
development,
cellular
metabolism,
inflammation,
even
carcinogenesis.
To
effectively
understand
potential
functions
SEPs,
we
discuss
history
newly
emerging
research
on
particular,
review
recently
discovered
bioinformatics
tools
for
identifying,
predicting,
validating
well
variety
biochemical
experiments
characterizing
SEP
functions.
Lastly,
this
underlines
challenges
future
directions
identifying
their
encoded
micropeptides,
providing
significant
reference
upcoming
peptides.