Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(5), P. 620 - 620
Published: May 10, 2024
Histone
deacetylases
(HDACs)
are
crucial
in
gene
transcription,
removing
acetyl
groups
from
histones.
They
also
influence
the
deacetylation
of
non-histone
proteins,
contributing
to
regulation
various
biological
processes.
Thus,
HDACs
play
pivotal
roles
diseases,
including
cancer,
neurodegenerative
disorders,
and
inflammatory
conditions,
highlighting
their
potential
as
therapeutic
targets.
This
paper
reviews
structure
function
four
classes
human
HDACs.
While
HDAC
inhibitors
currently
available
for
treating
hematological
malignancies,
numerous
others
undergoing
clinical
trials.
However,
non-selective
toxicity
necessitates
ongoing
research
into
safer
more
efficient
class-selective
or
isoform-selective
inhibitors.
Computational
methods
have
aided
discovery
with
desired
potency
and/or
selectivity.
These
include
ligand-based
approaches,
such
scaffold
hopping,
pharmacophore
modeling,
three-dimensional
quantitative
structure–activity
relationships,
structure-based
virtual
screening
(molecular
docking).
Moreover,
recent
developments
field
molecular
dynamics
simulations,
combined
Poisson–Boltzmann/molecular
mechanics
generalized
Born
surface
area
techniques,
improved
prediction
ligand
binding
affinity.
In
this
review,
we
delve
ways
which
these
contributed
designing
identifying
Cell Research,
Journal Year:
2023,
Volume and Issue:
33(9), P. 679 - 698
Published: July 13, 2023
The
sarcomeric
interaction
of
α-myosin
heavy
chain
(α-MHC)
with
Titin
is
vital
for
cardiac
structure
and
contraction.
However,
the
mechanism
regulating
this
in
normal
failing
hearts
remains
unknown.
Lactate
a
crucial
energy
substrate
heart.
Here,
we
identify
that
α-MHC
undergoes
lactylation
on
lysine
1897
to
regulate
Titin.
We
observed
reduction
K1897
mice
patients
heart
failure.
Loss
K1897R
knock-in
reduces
α-MHC-Titin
leads
impaired
function.
Furthermore,
identified
p300
Sirtuin
1
act
as
acyltransferase
delactylase
α-MHC,
respectively.
Decreasing
lactate
production
by
chemical
or
genetic
manipulation
lactylation,
impairs
worsens
By
contrast,
upregulation
concentration
administering
sodium
inhibiting
pivotal
transporter
cardiomyocytes
can
promote
interaction,
thereby
alleviating
In
conclusion,
dynamically
regulated
an
important
determinant
overall
Excessive
efflux
consumption
may
decrease
intracellular
level,
which
main
cause
reduced
during
myocardial
injury.
Our
study
reveals
metabolism
directly
modulates
function
through
lactate-dependent
modification
α-MHC.
Biomolecules,
Journal Year:
2023,
Volume and Issue:
13(4), P. 686 - 686
Published: April 18, 2023
Closely
associated
with
aging
and
age-related
disorders,
cellular
senescence
(CS)
is
the
inability
of
cells
to
proliferate
due
accumulated
unrepaired
damage
irreversible
cell
cycle
arrest.
Senescent
are
characterized
by
their
senescence-associated
secretory
phenotype
that
overproduces
inflammatory
catabolic
factors
hamper
normal
tissue
homeostasis.
Chronic
accumulation
senescent
thought
be
intervertebral
disc
degeneration
(IDD)
in
an
population.
This
IDD
one
largest
age-dependent
chronic
often
neurological
dysfunctions
such
as,
low
back
pain,
radiculopathy,
myelopathy.
(SnCs)
increase
number
aged,
degenerated
discs,
have
a
causative
role
driving
IDD.
review
summarizes
current
evidence
supporting
CS
on
onset
progression
The
discussion
includes
molecular
pathways
involved
as
p53-p21CIP1,
p16INK4a,
NF-κB,
MAPK,
potential
therapeutic
value
targeting
these
pathways.
We
propose
several
mechanisms
including
mechanical
stress,
oxidative
genotoxic
nutritional
deprivation,
stress.
There
still
large
knowledge
gaps
research,
understanding
which
will
provide
opportunities
develop
interventions
treat
Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease,
Journal Year:
2023,
Volume and Issue:
1869(7), P. 166815 - 166815
Published: July 26, 2023
Aging
is
characterized
by
progressive
functional
deterioration
with
increased
risk
of
mortality.
It
a
complex
biological
process
driven
multitude
intertwined
mechanisms
such
as
DNA
damage,
chronic
inflammation,
and
metabolic
dysfunction.
Sirtuins
(SIRTs)
are
family
NAD+-dependent
enzymes
that
regulate
fundamental
functions
from
genomic
stability
lifespan
to
energy
metabolism
tumorigenesis.
Of
the
seven
mammalian
SIRT
isotypes
(SIRT1-7),
SIRT1
SIRT6
well-recognized
for
regulating
signaling
pathways
related
aging.
Herein,
we
review
protective
role
in
aging-related
diseases
at
molecular,
cellular,
tissue,
whole-organism
levels.
We
also
discuss
therapeutic
potential
modulators
treatment
these
challenges
thereof.
Nutrients,
Journal Year:
2023,
Volume and Issue:
15(16), P. 3578 - 3578
Published: Aug. 14, 2023
Sirtuins
are
a
family
of
proteins
with
enzymatic
activity.
There
seven
mammalian
sirtuins
(SIRT1-SIRT7)
that
found
in
different
cellular
compartments.
They
part
crucial
pathways
and
regulated
by
many
factors,
such
as
chemicals,
environmental
stress,
phytochemicals.
Several
vitro
vivo
studies
have
presented
their
involvement
anti-inflammatory,
antioxidant,
antiapoptotic
processes.
Recent
findings
imply
phytochemicals
resveratrol,
curcumin,
quercetin,
fisetin,
berberine,
kaempferol
may
regulate
the
activity
sirtuins.
Resveratrol
mainly
activates
SIRT1
indirectly
AMPK.
Curcumin
influences
SIRT3,
but
its
is
broad,
cells
affected.
Quercetin
modulates
SIRT1,
which
triggers
antioxidant
responses.
Fisetin,
through
regulation,
modifies
lipid
metabolism
anti-inflammatory
Berberine
has
wide
spectrum
effects
significant
impact
on
signaling
pathways.
Finally,
induction.
This
review
aims
to
summarize
recent
properties
modulation
sirtuin
activity,
particular
focus
biochemical
aspects.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Nov. 26, 2024
Epigenetics
governs
a
chromatin
state
regulatory
system
through
five
key
mechanisms:
DNA
modification,
histone
RNA
remodeling,
and
non-coding
regulation.
These
mechanisms
their
associated
enzymes
convey
genetic
information
independently
of
base
sequences,
playing
essential
roles
in
organismal
development
homeostasis.
Conversely,
disruptions
epigenetic
landscapes
critically
influence
the
pathogenesis
various
human
diseases.
This
understanding
has
laid
robust
theoretical
groundwork
for
developing
drugs
that
target
epigenetics-modifying
pathological
conditions.
Over
past
two
decades,
growing
array
small
molecule
targeting
such
as
methyltransferase,
deacetylase,
isocitrate
dehydrogenase,
enhancer
zeste
homolog
2,
have
been
thoroughly
investigated
implemented
therapeutic
options,
particularly
oncology.
Additionally,
numerous
epigenetics-targeted
are
undergoing
clinical
trials,
offering
promising
prospects
benefits.
review
delineates
epigenetics
physiological
contexts
underscores
pioneering
studies
on
discovery
implementation
drugs.
include
inhibitors,
agonists,
degraders,
multitarget
agents,
aiming
to
identify
practical
challenges
avenues
future
research.
Ultimately,
this
aims
deepen
epigenetics-oriented
strategies
further
application
settings.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
174, P. 116481 - 116481
Published: March 24, 2024
Sirtuins
(SIRTs)
represent
a
class
of
nicotinamide
adenine
dinucleotide
(NAD+)-dependent
protein
deacetylases
that
exert
crucial
role
in
cellular
signal
transduction
and
various
biological
processes.
The
mammalian
sirtuins
family
encompasses
SIRT1
to
SIRT7,
exhibiting
therapeutic
potential
counteracting
aging,
modulating
metabolism,
responding
oxidative
stress,
inhibiting
tumors,
improving
microenvironment.
These
enzymes
are
intricately
linked
the
occurrence
treatment
diverse
pathological
conditions,
including
cancer,
autoimmune
diseases,
cardiovascular
disorders.
Given
significance
histone
modification
gene
expression
chromatin
structure,
maintaining
equilibrium
is
imperative
for
disease
prevention
health
restoration.
Mounting
evidence
suggests
modulators
SIRTs
play
treating
diseases
physiological
balance.
This
review
delves
into
molecular
structure
regulatory
functions
family,
reviews
classification
historical
evolution
modulators,
offers
systematic
overview
existing
modulation
strategies,
elucidates
mechanisms
(agonists
inhibitors)
their
clinical
applications.
article
concludes
by
summarizing
challenges
encountered
modulator
research
offering
insights
future
directions.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Sept. 16, 2024
Abstract
Histone
post-translational
modifications
(HPTMs),
as
one
of
the
core
mechanisms
epigenetic
regulation,
are
garnering
increasing
attention
due
to
their
close
association
with
onset
and
progression
diseases
potential
targeted
therapeutic
agents.
Advances
in
high-throughput
molecular
tools
abundance
bioinformatics
data
have
led
discovery
novel
HPTMs
which
similarly
affect
gene
expression,
metabolism,
chromatin
structure.
Furthermore,
a
growing
body
research
has
demonstrated
that
histone
also
play
crucial
roles
development
various
diseases,
including
cancers,
cardiovascular
infectious
psychiatric
disorders,
reproductive
system
diseases.
This
review
defines
nine
modifications:
lactylation,
citrullination,
crotonylation,
succinylation,
SUMOylation,
propionylation,
butyrylation,
2-hydroxyisobutyrylation,
2-hydroxybutyrylation.
It
comprehensively
introduces
modification
processes
these
HPTMs,
transcription,
replication,
DNA
repair
recombination,
structure,
well
involvement
promoting
occurrence
clinical
applications
targets
biomarkers.
Moreover,
this
provides
detailed
overview
HPTM
inhibitors
targeting
emerging
strategies
treatment
multiple
while
offering
insights
into
future
prospects
challenges.
Additionally,
we
briefly
introduce
techniques
field
research.