Cell Reports,
Год журнала:
2024,
Номер
43(8), С. 114607 - 114607
Опубликована: Авг. 1, 2024
Macrophage
metabolic
plasticity
is
central
to
inflammatory
programming,
yet
mechanisms
of
coordinating
and
programs
during
infection
are
poorly
defined.
Here,
we
show
that
type
I
interferon
(IFN)
temporally
guides
control
inflammation
methicillin-resistant
Staphylococcus
aureus
(MRSA)
infection.
We
find
staggered
Toll-like
receptor
IFN
signaling
in
macrophages
permit
a
transient
energetic
state
combined
oxidative
phosphorylation
(OXPHOS)
aerobic
glycolysis
followed
by
inducible
nitric
oxide
synthase
(iNOS)-mediated
OXPHOS
disruption.
This
disruption
promotes
IFN,
suppressing
other
pro-inflammatory
cytokines,
notably
interleukin-1β.
Upon
infection,
iNOS
expression
peaks
at
24
h,
lactate-driven
Nos2
repression
via
histone
lactylation.
Type
pre-conditioning
prolongs
infection-induced
expression,
amplifying
IFN.
Cutaneous
MRSA
mice
constitutively
expressing
epidermal
results
elevated
levels,
impaired
wound
healing,
vasculopathy,
lung
Thus,
kinetically
regulated
coordinates
immunometabolic
checkpoints
inflammation.
Protein
posttranslational
modifications
(PTMs)
refer
to
the
breaking
or
generation
of
covalent
bonds
on
backbones
amino
acid
side
chains
proteins
and
expand
diversity
proteins,
which
provides
basis
for
emergence
organismal
complexity.
To
date,
more
than
650
types
protein
modifications,
such
as
most
well-known
phosphorylation,
ubiquitination,
glycosylation,
methylation,
SUMOylation,
short-chain
long-chain
acylation
redox
irreversible
have
been
described,
inventory
is
still
increasing.
By
changing
conformation,
localization,
activity,
stability,
charges,
interactions
with
other
biomolecules,
PTMs
ultimately
alter
phenotypes
biological
processes
cells.
The
homeostasis
important
human
health.
Abnormal
may
cause
changes
in
properties
loss
functions,
are
closely
related
occurrence
development
various
diseases.
In
this
review,
we
systematically
introduce
characteristics,
regulatory
mechanisms,
functions
health
addition,
therapeutic
prospects
diseases
by
targeting
associated
enzymes
also
summarized.
This
work
will
deepen
understanding
promote
discovery
diagnostic
prognostic
markers
drug
targets
Cell Proliferation,
Год журнала:
2023,
Номер
56(10)
Опубликована: Апрель 14, 2023
Lactate
is
not
only
an
endpoint
of
glycolysis
but
gradually
being
discovered
to
play
the
role
a
universal
metabolic
fuel
for
energy
via
'lactate
shuttle'
moving
between
cells
and
transmitting
signals.
The
glycolytic-dependent
metabolism
found
in
tumours
fast-growing
has
made
lactate
pivotal
player
reprogramming,
which
enables
obtain
abundant
short
time.
Moreover,
can
provide
favourable
conditions
tumorigenesis
by
shaping
acidic
tumour
microenvironment,
recruiting
immune
cells,
etc.
recently
lactate-induced
lactylation
moves
even
further
on
pro-tumorigenesis
mechanisms
production,
circulation
utilization.
As
with
other
epigenetic
modifications,
modify
histone
proteins
alter
spatial
configuration
chromatin,
affect
DNA
accessibility
regulate
expression
corresponding
genes.
What's
more,
degree
inseparable
from
spatialized
concentration,
builds
bridge
epigenetics
reprogramming.
Here,
we
review
important
summarize
latest
finding
try
explore
therapeutic
strategies
oncotherapy
that
kill
two
birds
one
stone.
Journal of Hepatology,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 1, 2024
Intrahepatic
cholangiocarcinoma
(iCCA)
is
a
fatal
malignancy
of
the
biliary
system.
The
lack
detailed
understanding
oncogenic
signaling
or
global
gene
expression
alterations
has
impeded
clinical
iCCA
diagnosis
and
therapy.
role
protein
lactylation,
newly
unraveled
post-translational
modification
that
orchestrates
expression,
remains
largely
elusive
in
pathogenesis
iCCA.
Circulation Research,
Год журнала:
2024,
Номер
134(11), С. 1427 - 1447
Опубликована: Апрель 17, 2024
Medial
arterial
calcification
is
a
chronic
systemic
vascular
disorder
distinct
from
atherosclerosis
and
commonly
observed
in
patients
with
kidney
disease,
diabetes,
aging
individuals.
We
previously
showed
that
NR4A3
(nuclear
receptor
subfamily
4
group
A
member
3),
an
orphan
nuclear
receptor,
key
regulator
apo
(apolipoprotein)
A-IV-induced
progression;
however,
its
role
poorly
understood.
Neural Regeneration Research,
Год журнала:
2023,
Номер
19(1), С. 69 - 74
Опубликована: Апрель 13, 2023
Lactate,
a
byproduct
of
glycolysis,
was
thought
to
be
metabolic
waste
until
the
discovery
Warburg
effect.
Lactate
not
only
functions
as
substrate
provide
energy
but
can
also
function
signaling
molecule
modulate
cellular
under
pathophysiological
conditions.
The
Astrocyte-Neuron
Shuttle
has
clarified
that
lactate
plays
pivotal
role
in
central
nervous
system.
Moreover,
protein
lactylation
highlights
novel
regulating
transcription,
functions,
and
disease
development.
This
review
summarizes
recent
advances
metabolism
its
neurodegenerative
diseases,
thus
providing
optimal
perspectives
for
future
research.
Frontiers in Immunology,
Год журнала:
2023,
Номер
14
Опубликована: Окт. 27, 2023
As
a
major
product
of
glycolysis
and
vital
signaling
molecule,
many
studies
have
reported
the
key
role
lactate
in
tumor
progression
cell
fate
determination.
Lactylation
is
newly
discovered
post-translational
modification
induced
by
lactate.
On
one
hand,
lactylation
introduced
new
era
metabolism
microenvironment
(TME),
on
other
it
provided
breakthrough
point
for
elucidation
interaction
between
metabolic
reprogramming
epigenetic
modification.
Studies
shown
that
cells,
stem
cells
tumor-infiltrating
immune
TME
can
participate
development
cancer
through
downstream
transcriptional
regulation,
potential
promising
treatment
target.
This
review
summarized
discovery
effects
lactylation,
as
well
recent
research
histone
regulating
reshaping
TME.
We
also
focused
strategies
to
enhance
anti-tumor
via
targeting
lactylation.
Finally,
we
discussed
limitations
existing
proposed
perspectives
future
order
further
explore
targets.
It
may
provide
way
direction
improve
prognosis.
Abstract
As
“non‐cellular
organisms”,
viruses
need
to
infect
living
cells
survive
themselves.
The
virus
infection
must
alter
host's
metabolisms.
However,
the
influence
of
metabolites
from
altered
metabolisms
virus‐infected
host
on
virus‐host
interactions
remains
largely
unclear.
To
address
this
issue,
shrimp,
a
representative
species
crustaceans,
is
challenged
with
white
spot
syndrome
(WSSV)
in
study.
vivo
results
presented
that
WSSV
enhanced
shrimp
glycolysis,
leading
accumulation
lactate.
lactate
turn
promoted
site‐specific
histone
lactylation
(H3K18la
and
H4K12la)
p300/HDAC1/HDAC3‐dependent
manner.
H3K18la
H4K12la
are
enriched
promoters
75
target
genes,
which
modification
upregulated
expression
ribosomal
protein
S6
kinases
2
(
S6K2
)
hosts
promote
infection.
Further
data
revealed
virus‐encoded
miR‐N20
targeted
hypoxia
inducible
factor‐1α
HIF‐1α
inhibit
suppression
H4K12la.
Therefore,
findings
contributed
novel
insights
into
effects
underlying
mechanism
virus‐induced
interactions,
providing
new
targets
for
control
Heliyon,
Год журнала:
2024,
Номер
10(2), С. e24421 - e24421
Опубликована: Янв. 1, 2024
Extensive
research
has
confirmed
numerous
advantages
of
exercise
for
promoting
brain
health.
More
recent
studies
have
proposed
the
potential
benefits
lactate,
by-product
exercise,
in
various
aspects
function
and
disorders.
However,
there
remains
a
gap
understanding
effects
lactate
dosage
its
impact
on
aged
rodents.
The
present
study
first
examined
long-term
three
different
doses
intervention
(2000
mg/kg,
1000
500
mg/kg)
high-intensity
interval
training
(HIIT)
aging
mice
(20-22
months)
as
1st
experiment.
Subsequently,
2nd
experiment,
we
investigated
mg/kg
HIIT
neuroplasticity
(25-27
months).
results
experiment
demonstrated
that
both
(500
2000
positively
impacted
biomarker
VEGF
hippocampus
mice.
revealed
significantly
improved
performance
open-field,
novel
object
recognition,
passive
avoidance
tests.
did
not
affect
these
behavioral
Moreover,
compared
to
control
group,
influenced
angiogenesis
signaling
pathway
(p/t-AKT/ENOS/VEGF),
mitochondrial
(SDHA),
metabolic
protein
(p/t-CREB,
p/t-HSL,
LDH)
Notably,
only
elevated
BDNF
(PGC-1α,
SIRT1,
BDNF)
content
(lactate
pyruvate).
In
end,
failed
change
expression
p/t-MTOR,
iNOS,
nNOS,
HIF-1α,
SYNAPSIN,
SIRT3,
NAMPT,
CS,
FNDC5
Pan
Lactic
aid-Lysine
summary,
proved
treatment
positive
functions
mice,
suggesting
usage
therapeutic
strategy
neurodegenerative
diseases
elderly
population.
Heliyon,
Год журнала:
2024,
Номер
10(5), С. e27465 - e27465
Опубликована: Март 1, 2024
BackgroundLactylation
is
a
significant
post-translational
modification
bridging
the
gap
between
cancer
epigenetics
and
metabolic
reprogramming.
However,
association
lactylation
prognosis,
tumor
microenvironment
(TME),
response
to
drug
therapy
in
various
cancers
remains
unclear.MethodsFirst,
expression,
prognostic
value,
genetic
epigenetic
alterations
of
genes
were
systematically
explored
pan-cancer
manner.
Lactylation
scores
derived
for
each
using
single-sample
gene
set
enrichment
analysis
(ssGSEA)
algorithm.
The
correlation
with
clinical
features,
TME
was
assessed
by
integrating
multiple
computational
methods.
In
addition,
GSE135222
data
used
assess
efficacy
predicting
immunotherapy
outcomes.
expression
breast
gliomas
verified
RNA-sequencing.ResultsLactylation
significantly
upregulated
most
types.
CREBBP
EP300
exhibited
high
mutation
rates
analysis.
impact
score
varied
type,
protective
factor
KIRC,
ACC,
READ,
LGG,
UVM,
risk
CHOL,
DLBC,
LAML,
OV.
associated
cold
TME.
infiltration
levels
CD8+
T,
γδT,
natural
killer
T
cell
(NKT),
NK
cells
lower
tumors
higher
scores.
Finally,
worse
patients
than
other
types.ConclusionLactylation
are
involved
malignancy
formation.
serves
as
promising
biomarker
patient
prognosis
efficacy.