Nature Cell Biology,
Год журнала:
2024,
Номер
26(9), С. 1571 - 1584
Опубликована: Авг. 8, 2024
Abstract
Caloric
restriction
and
intermittent
fasting
prolong
the
lifespan
healthspan
of
model
organisms
improve
human
health.
The
natural
polyamine
spermidine
has
been
similarly
linked
to
autophagy
enhancement,
geroprotection
reduced
incidence
cardiovascular
neurodegenerative
diseases
across
species
borders.
Here,
we
asked
whether
cellular
physiological
consequences
caloric
depend
on
metabolism.
We
report
that
levels
increased
upon
distinct
regimens
or
in
yeast,
flies,
mice
volunteers.
Genetic
pharmacological
blockade
endogenous
synthesis
fasting-induced
nematodes
cells.
Furthermore,
perturbing
pathway
vivo
abrogated
lifespan-
healthspan-extending
effects,
as
well
cardioprotective
anti-arthritic
fasting.
Mechanistically,
mediated
these
effects
via
induction
hypusination
translation
regulator
eIF5A.
In
summary,
polyamine–hypusination
axis
emerges
a
phylogenetically
conserved
metabolic
control
hub
for
fasting-mediated
enhancement
longevity.
Signal Transduction and Targeted Therapy,
Год журнала:
2022,
Номер
7(1)
Опубликована: Июль 23, 2022
Nutriments
have
been
deemed
to
impact
all
physiopathologic
processes.
Recent
evidences
in
molecular
medicine
and
clinical
trials
demonstrated
that
adequate
nutrition
treatments
are
the
golden
criterion
for
extending
healthspan
delaying
ageing
various
species
such
as
yeast,
drosophila,
rodent,
primate
human.
It
emerges
develop
precision-nutrition
therapeutics
slow
age-related
biological
processes
treat
diverse
diseases.
However,
nutritive
advantages
frequently
diversify
among
individuals
well
organs
tissues,
which
brings
challenges
this
field.
In
review,
we
summarize
different
forms
of
dietary
interventions
extensively
prescribed
improvement
disease
treatment
pre-clinical
or
clinical.
We
discuss
nutrient-mediated
mechanisms
including
metabolic
regulators,
metabolism
pathways,
epigenetic
circadian
clocks.
Comparably,
describe
diet-responsive
effectors
by
influence
endocrinic,
immunological,
microbial
neural
states
responsible
improving
health
preventing
multiple
diseases
humans.
Furthermore,
expatiate
patterns
dietotheroapies,
fasting,
calorie-restricted
diet,
ketogenic
high-fibre
plants-based
protein
restriction
diet
with
specific
reduction
amino
acids
microelements,
potentially
affecting
morbid
states.
Altogether,
emphasize
profound
nutritional
therapy,
highlight
crosstalk
explored
critical
factors
individualized
therapeutic
approaches
predictors.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Март 11, 2024
Abstract
Diet,
serving
as
a
vital
source
of
nutrients,
exerts
profound
influence
on
human
health
and
disease
progression.
Recently,
dietary
interventions
have
emerged
promising
adjunctive
treatment
strategies
not
only
for
cancer
but
also
neurodegenerative
diseases,
autoimmune
cardiovascular
metabolic
disorders.
These
demonstrated
substantial
potential
in
modulating
metabolism,
trajectory,
therapeutic
responses.
Metabolic
reprogramming
is
hallmark
malignant
progression,
deeper
understanding
this
phenomenon
tumors
its
effects
immune
regulation
significant
challenge
that
impedes
eradication.
Dietary
intake,
key
environmental
factor,
can
tumor
metabolism.
Emerging
evidence
indicates
might
affect
the
nutrient
availability
tumors,
thereby
increasing
efficacy
treatments.
However,
intricate
interplay
between
pathogenesis
other
diseases
complex.
Despite
encouraging
results,
mechanisms
underlying
diet-based
remain
largely
unexplored,
often
resulting
underutilization
management.
In
review,
we
aim
to
illuminate
various
interventions,
including
calorie
restriction,
fasting-mimicking
diet,
ketogenic
protein
restriction
high-salt
high-fat
high-fiber
aforementioned
diseases.
We
explore
multifaceted
impacts
these
encompassing
their
immunomodulatory
effects,
biological
impacts,
molecular
mechanisms.
This
review
offers
valuable
insights
into
application
therapies
Nature Cell Biology,
Год журнала:
2024,
Номер
26(9), С. 1571 - 1584
Опубликована: Авг. 8, 2024
Abstract
Caloric
restriction
and
intermittent
fasting
prolong
the
lifespan
healthspan
of
model
organisms
improve
human
health.
The
natural
polyamine
spermidine
has
been
similarly
linked
to
autophagy
enhancement,
geroprotection
reduced
incidence
cardiovascular
neurodegenerative
diseases
across
species
borders.
Here,
we
asked
whether
cellular
physiological
consequences
caloric
depend
on
metabolism.
We
report
that
levels
increased
upon
distinct
regimens
or
in
yeast,
flies,
mice
volunteers.
Genetic
pharmacological
blockade
endogenous
synthesis
fasting-induced
nematodes
cells.
Furthermore,
perturbing
pathway
vivo
abrogated
lifespan-
healthspan-extending
effects,
as
well
cardioprotective
anti-arthritic
fasting.
Mechanistically,
mediated
these
effects
via
induction
hypusination
translation
regulator
eIF5A.
In
summary,
polyamine–hypusination
axis
emerges
a
phylogenetically
conserved
metabolic
control
hub
for
fasting-mediated
enhancement
longevity.
