Scientia Sinica Vitae,
Journal Year:
2023,
Volume and Issue:
53(11), P. 1502 - 1526
Published: Aug. 10, 2023
Post-transcriptional
chemical
modifications
are
prevalent
in
various
RNA
molecules
and
play
a
profound
role
biological
functions,
including
the
regulation
of
splicing,
translation,
transport,
localization,
stability.
Recent
advancements
high-throughput
sequencing
modification
detection
technologies
have
facilitated
significant
breakthroughs
accurately
identifying
localizing
different
modifications,
such
as
m6A,
m5C,
m1A.
As
novel
category
epigenetic
transcriptional
biomarkers,
garnered
considerable
attention
diagnosis
treatment
numerous
diseases,
tumors,
neurological
diseases
immunological
diseases.
This
review
aims
to
provide
comprehensive
overview
roles
editing,
underlying
molecular
mechanisms
regulating
protein
expression
further
highlight
progress
application
disease
treatment.
The
widely
prescribed
oral
anti‐diabetic
drug
metformin
is
eliminated
unchanged
in
the
urine
primarily
through
active
tubular
secretion.
This
process
mediated
by
organic
cation
transporter
2
(OCT2),
an
uptake
expressed
on
basolateral
membrane
of
renal
proximal
tubule
cells.
Metformin
into
liver,
site
action,
1
(OCT1),
which
sinusoidal
hepatocytes.
Sixteen
healthy
adults
participated
a
clinical
pharmacokinetic
drug–drug
interaction
study
they
were
orally
administered
(50
mg)
as
dual
OCT1/2
substrate
alone
(baseline)
and
with
cimetidine
(400
OCT
inhibitor.
Relative
to
baseline,
systemic
plasma
exposure
increased
24%
(
p
<
0.05)
presence
cimetidine,
was
accompanied
disproportional
decrease
(8%)
clearance
=
0.005).
Genetic
variants
OCT1
OCT2
moderately
impacted
significance
magnitude
interaction.
Collectively,
we
hypothesized
that
cimetidine–metformin
involves
inhibition
hepatic
well
OCT2.
We
tested
this
hypothesis
developing
physiologically
based
(PBPK)
model
assessing
potential
biomarkers
gain
mechanistic
insight
transporters
involved
PBPK
predicted
inhibits
and,
lesser
extent,
following
supports
minimal
role
for
Frontiers in Molecular Neuroscience,
Journal Year:
2024,
Volume and Issue:
17
Published: April 25, 2024
Alzheimer’s
disease
(AD)
is
a
complex
neurodegenerative
disorder
and
the
most
common
form
of
dementia.
There
are
two
main
types
AD:
familial
sporadic.
Familial
AD
linked
to
mutations
in
amyloid
precursor
protein
(APP),
presenilin-1
(PSEN1),
presenilin-2
(PSEN2).
On
other
hand,
sporadic
more
has
genetic,
epigenetic,
environmental
components
that
influence
onset
progression.
Investigating
epigenetic
mechanisms
associated
with
essential
for
increasing
understanding
pathology
identifying
biomarkers
diagnosis
treatment.
Chemical
covalent
modifications
on
DNA
RNA
can
epigenetically
regulate
gene
expression
at
transcriptional
post-transcriptional
levels
play
protective
or
pathological
roles
diseases.
Molecular Plant,
Journal Year:
2024,
Volume and Issue:
17(4), P. 531 - 551
Published: Feb. 27, 2024
RNA-binding
proteins
(RBPs)
accompany
RNA
from
synthesis
to
decay,
mediating
every
aspect
of
metabolism
and
impacting
diverse
cellular
developmental
processes
in
eukaryotes.
Many
RBPs
undergo
phase
separation
along
with
their
bound
form
function
dynamic
membraneless
biomolecular
condensates
for
spatiotemporal
coordination
or
regulation
metabolism.
Increasing
evidence
suggests
that
phase-separating
domains
intrinsically
disordered
regions
play
important
roles
plant
development
stress
adaptation.
Here,
we
summarize
the
current
knowledge
about
how
partitioning
into
controls
enables
sensing
experimental
changes
confer
growth
plasticity
under
conditions,
a
focus
on
dynamics
functional
mechanisms
RBP-rich
nuclear
cytoplasmic
granules
We
also
discuss
multiple
factors,
such
as
environmental
signals,
protein
modifications,
N
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(3), P. 492 - 492
Published: Feb. 22, 2025
Freund’s
adjuvants
have
been
used
in
vaccine
and
autoimmune
settings,
their
effects
can
be
overlapping
or
unique
to
each.
While
both
incomplete
(IFA)
complete
(CFA)
influence
antibody
T
cell
responses,
the
robust
helper
1
cytokines
induced
by
mycobacterial
components
make
CFA
powerful
immunostimulating
adjuvant.
In
these
studies,
adjuvant
are
investigated
a
select
population
of
cells,
changes,
if
any,
with
metabolic
alterations
systemic
compartment
unclear.
We
whether
IFA
influenced
shifts
mice
immunized
saline,
IFA,
using
Mycobacterium
tuberculosis
var.
bovis
Bacillus
Calmette–Guérin
(BCG)
as
positive
control.
After
seven
days
immunization,
we
analyzed
serum
metabolite
profiles
liquid
chromatography
coupled
high-resolution
mass
spectrometry
multivariate
statistical
analysis
identify
features
between
groups.
The
data
revealed
that,
scores
space,
BCG
groups
were
more
closely
aligned
compared
saline
group,
while
group
displayed
an
intermediate
profile.
Furthermore,
comparisons
showed
significant
perturbations
lipid
amino
acid
metabolism,
particularly
involving
glycerophospholipids,
cysteine,
aromatic
acids.
contrast,
indicated
pronounced
disruption
central
energy
metabolism
pathways,
such
citric
cycle
pyruvate
metabolism.
Together,
suggest
that
response
might
play
role
modulating
immune
responses.
Current Issues in Molecular Biology,
Journal Year:
2025,
Volume and Issue:
47(4), P. 266 - 266
Published: April 9, 2025
Current
research
discusses
the
putative
importance
of
RNA
modification
in
tumor
diseases.
These
modifications
include
predominantly
pseudouridinylation,
ortho-methylations
on
ribose
residues,
as
well
methylations
organic
bases.
Such
chemical
directly
influence
fundamental
properties
such
transcript
stability,
alternative
splicing,
and
translation
efficiency,
all
which
are
basic
requirements
for
(tumor)
cell
proliferation,
metabolism,
migration,
apoptosis
resistance,
etc.
In
this
comparative
study,
two
RNA-modifying
factors,
pseudouridine
synthase
7
(PUS7,
pseudouridinylation)
WT1-associated
protein
(WTAP,
m6A
methylation),
were
identified
using
data
from
human
renal
carcinoma
(RCC)
tumors.
PUS7
WTAP
showed
a
statistically
significant
correlation
with
relevant
proliferation
prognosis
markers
CXCR4,
TP53,
PTEN,
NRAS,
immune
checkpoints
HLA-G
LGALS9
associated
effect
overall
survival.
Furthermore,
analyses
also
further
target
mRNAs
biology
WTAP.
particular,
components
direct
relevance
mitosis,
cycle,
division,
WNT
pathway,
identified.
Essays in Biochemistry,
Journal Year:
2025,
Volume and Issue:
69(02)
Published: May 1, 2025
Vaccination
remains
a
cornerstone
in
preventing
infectious
diseases
and
managing
outbreaks.
The
COVID-19
pandemic
has
underscored
the
revolutionary
impact
of
mRNA
vaccine
technology,
which
utilizes
pathogenderived
genomic
sequences
to
generate
specific
antigens.
This
process
involves
vitro
transcription
mRNA,
encoding
target
antigens
that
are
subsequently
encapsulated
within
lipid
nanoparticles
(LNPs)
for
efficient
delivery
into
host
cells.
Once
internalized,
enables
antigen
expression,
triggering
robust
immune
response.
platform
dramatically
accelerates
development
timelines
offers
unparalleled
adaptability,
making
vaccines
particularly
advantageous
addressing
emerging
diseases.
clinical
success
BNT162b2
(Pfizer-BioNTech)
mRNA-1273
(Moderna)
fueled
broader
applications,
including
influenza,
respiratory
syncytial
virus
(RSV),
Zika,
HIV.
Notably,
mRNA-1345
became
first
FDA-approved
RSV
vaccine,
while
self-amplifying
RNA
multivalent
advancing
trials.
However,
CureVac’s
CVnCoV
failed
due
lack
nucleoside
modifications,
mRNA-1325
(Zika)
showed
poor
immunogenicity.
Additionally,
mRNA-1365
(RSV)
faced
an
FDA
hold
safety
concerns.
These
cases
highlight
need
continued
optimization
sequence
design,
delivery,
assessment.
Despite
advancements,
key
hurdle
persists,
instability,
ultra-low
storage
requirements,
LNP
liver
accumulation.
Innovations
such
as
lyophilization
selective
organ
targeting
technology
being
explored
improve
stability
extrahepatic
delivery.
review
examines
strategies,
progress,
challenges,
providing
insights
future
developments
this
evolving
field.
ChemBioChem,
Journal Year:
2024,
Volume and Issue:
25(15)
Published: May 14, 2024
Nucleic
acids
are
genetic
information-carrying
molecules
inside
cells.
Apart
from
basic
nucleotide
building
blocks,
there
exist
various
naturally
occurring
chemical
modifications
on
nucleobase
and
ribose
moieties,
which
greatly
increase
the
encoding
complexity
of
nuclei
acids,
contribute
to
alteration
nucleic
acid
structures,
play
versatile
regulation
roles
in
gene
expression.
To
study
functions
certain
biological
contexts,
robust
tools
specifically
label
identify
these
macromolecules
their
modifications,
illuminate
structures
highly
necessary.
In
this
review,
we
summarize
recent
technique
advances
using
enzyme-mediated
reactions
structures.
By
highlighting
principles
techniques,
aim
present
a
perspective
advancement
field
as
well
offer
insights
into
developing
specific
precise
enzyme
catalysis
utilized
for
modifications.
Clinical and Translational Medicine,
Journal Year:
2024,
Volume and Issue:
14(6)
Published: June 1, 2024
Dysregulated
RNA
modifications,
stemming
from
the
aberrant
expression
and/or
malfunction
of
modification
regulators
operating
through
various
pathways,
play
pivotal
roles
in
driving
progression
haematological
malignancies.
Among
N