Mutations
in
genes
involved
DNA
damage
repair
(DDR)
often
lead
to
premature
aging
syndromes.
While
recent
evidence
suggests
that
inflammation,
alongside
mutation
accumulation
and
cell
death,
may
drive
disease
phenotypes,
its
precise
contribution
ABSTRACT
During
aging,
animals
experience
a
decline
in
proteostasis
activity,
including
loss
of
stress-response
activation,
culminating
the
accumulation
misfolded
proteins
and
toxic
aggregates,
which
are
causal
onset
some
chronic
diseases.
Finding
genetic
pharmaceutical
treatments
that
can
increase
organismal
lengthen
life
is
an
ongoing
goal
current
research.
The
regulation
stress
responses
by
cell
non-autonomous
mechanisms
appears
to
be
potent
way
impact
healthspan.
In
this
Review,
we
cover
recent
findings
intersection
with
special
focus
on
articles
preprints
published
between
November
2021
October
2022.
A
significant
number
papers
during
time
increased
our
understanding
how
cells
communicate
each
other
proteotoxic
stress.
Finally,
also
draw
attention
emerging
datasets
explored
generate
new
hypotheses
explain
age-related
collapse.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
122(1)
Опубликована: Дек. 30, 2024
C-Terminal
cyclic
imides
are
posttranslational
modifications
that
can
arise
from
spontaneous
intramolecular
cleavage
of
asparagine
or
glutamine
residues
resulting
in
a
form
irreversible
protein
damage.
These
damage
events
recognized
and
removed
by
the
E3
ligase
substrate
adapter
cereblon
(CRBN),
indicating
these
aging-related
may
require
cellular
quality
control
mechanisms
to
prevent
deleterious
effects.
However,
factors
determine
peptide
susceptibility
C-terminal
imide
formation
their
effect
on
stability
have
not
been
explored
detail.
Here,
we
characterize
primary
secondary
structures
peptides
proteins
promote
intrinsic
comparison
deamidation,
related
Extrinsic
effects
solution
properties
stressors
proteome
additionally
like
glutathione
synthetase
susceptible
aggregation
if
products
CRBN.
This
systematic
investigation
provides
insight
into
regions
prone
unexpectedly
frequent
modifications,
this
stability,
biological
role
ACTA HISTOCHEMICA ET CYTOCHEMICA,
Год журнала:
2024,
Номер
57(4), С. 137 - 147
Опубликована: Авг. 22, 2024
While
the
rapid
decrease
in
estrogen
is
well
known
as
main
cause
of
postmenopausal
osteoporosis
women,
precise
pathogenesis
senile
elderly
regardless
gender
largely
unknown.
The
age-related
epigenetic
regulation
receptor
activator
NF-κB
(RANK)
gene
expression
was
investigated
with
use
a
high-passaged
mouse
osteoclast
progenitor
cell
line,
RAW264.7,
an
Journal of Cachexia Sarcopenia and Muscle,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 16, 2024
ABSTRACT
Skeletal
muscle
is
a
highly
adaptable
tissue,
finely
tuned
by
various
physiological
and
pathological
factors.
Whilst
the
pivotal
role
of
skeletal
in
overall
health
widely
acknowledged,
unravelling
underlying
molecular
mechanisms
poses
ongoing
challenges.
Protein
ubiquitylation,
crucial
post‐translational
modification,
involved
regulating
most
biological
processes.
This
widespread
impact
achieved
through
diverse
set
enzymes
capable
generating
structurally
functionally
distinct
ubiquitin
modifications
on
proteins.
The
complexity
protein
ubiquitylation
has
presented
significant
challenges
not
only
identifying
ubiquitylated
proteins
but
also
characterising
their
functional
significance.
Mass
spectrometry
enables
in‐depth
analysis
modification
status,
offering
powerful
tool
for
studying
its
diversity:
an
approach
termed
ubiquitylomics.
Ubiquitylomics
been
employed
to
tackle
different
perspectives
including
limited
global
quantification
substrates
linkages,
site
recognition
crosstalk
with
other
modifications.
As
field
mass
continues
evolve,
usage
ubiquitylomics
unravelled
novel
insights
into
regulatory
governing
biology.
However,
research
predominantly
conducted
cellular
models,
limiting
our
understanding
signalling
events
driving
By
integrating
intricate
landscape
dynamic
shifts
physiology,
promises
deepen
biology
lay
foundation
developing
transformative
muscle‐related
therapeutics.
review
aims
articulate
how
can
be
utilised
researchers
address
aspects
muscle.
We
explore
methods
used
experiments,
highlight
relevant
literature
employing
context
outline
considerations
experimental
design.
Ageing Research Reviews,
Год журнала:
2024,
Номер
104, С. 102616 - 102616
Опубликована: Дек. 5, 2024
Since
the
first
description
of
a
set
characteristics
aging
as
so-called
hallmarks
or
pillars
in
2013/2014,
these
have
served
guideposts
for
research
biology.
They
been
examined
range
contexts,
across
tissues,
response
to
disease
conditions
environmental
factors,
and
benchmark
various
anti-aging
interventions.
While
were
intended
capture
generalizable
aging,
they
are
derived
mostly
from
studies
rodents
humans.
Comparative
including
species
animal
tree
life
great
promise
reveal
new
insights
into
mechanistic
foundations
there
is
diversity
lifespan
age-associated
physiological
changes.
However,
it
unclear
how
well
defined
apply
diverse
species.
Here,
we
review
each
twelve
by
Lopez-Otin
2023
with
respect
availability
data
We
evaluate
current
methods
used
assess
their
potential
be
adapted
comparative
studies.
Not
unexpectedly,
find
that
supporting
described
restricted
humans
few
model
systems
no
available
many
clades.
Similarly,
not
all
can
easily
assessed
at
least
half
hallmarks,
today
employed
fill
this
gap
knowledge,
suggesting
prioritized
while
developed
study
remaining
hallmarks.
Mutations
in
genes
involved
DNA
damage
repair
(DDR)
often
lead
to
premature
aging
syndromes.
While
recent
evidence
suggests
that
inflammation,
alongside
mutation
accumulation
and
cell
death,
may
drive
disease
phenotypes,
its
precise
contribution