Gut-to-brain regulation of Drosophila aging through neuropeptide F, insulin, and juvenile hormone
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(43)
Published: Oct. 16, 2024
Dietary
restriction
(DR)
slows
aging
in
many
animals,
while
some
cases,
the
sensory
signals
from
diet
alone
are
sufficient
to
retard
or
accelerate
lifespan.
The
digestive
tract
is
a
candidate
location
sense
nutrients,
where
neuropeptides
secreted
by
enteroendocrine
cells
(EEC)
produce
systemic
response
food.
Here,
we
measure
how
Drosophila
neuropeptide
F
(NPF)
into
adult
circulation
EEC
and
find
that
specific
differentially
respond
dietary
sugar
yeast.
Female
lifespan
increased
when
gut
NPF
genetically
depleted,
this
manipulation
blunt
longevity
benefit
conferred
DR.
Depletion
of
receptors
at
insulin-producing
neurons
brain
also
increases
female
lifespan,
consistent
with
observations
loss
decreases
neuronal
insulin
secretion.
repressing
reversed
treating
adults
juvenile
hormone
(JH)
analog.
JH
produced
corpora
allata,
inhibition
receptor
tissue
titer
extends
both
males
females,
restored
wild
type
Overall,
modulate
through
interorgan
communication
mediated
gut–brain–corpora
allata
axis,
impacts
its
control
titer.
These
data
suggest
consider
human
incretins
their
analogs,
which
used
treat
obesity
diabetes,
may
impact
aging.
Language: Английский
The role of gut–islet axis in pancreatic islet function and glucose homeostasis
Qi Chen,
No information about this author
Yuanyuan Gao,
No information about this author
Fangyu Li
No information about this author
et al.
Diabetes Obesity and Metabolism,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
The
gastrointestinal
tract
plays
a
vital
role
in
the
occurrence
and
treatment
of
metabolic
diseases.
Recent
studies
have
convincingly
demonstrated
bidirectional
axis
communication
between
gut
islets,
enabling
to
influence
glucose
metabolism
energy
homeostasis
animals
strongly.
‘gut–islet
axis’
is
an
essential
endocrine
signal
that
regulates
islet
function
through
dialogue
intestinal
microecology
metabolism.
discovery
glucagon‐like
peptide‐1
(GLP‐1),
gastric
inhibitory
peptide
(GIP)
other
hormones
has
initially
set
up
bridge
cells.
However,
factors
remains
largely
unknown,
such
as
microbiota
integrity
barrier.
Although
primarily
resides
affect
function,
they
also
extra‐intestinal
organs
by
absorbing
transferring
metabolites
derived
from
microorganisms.
As
result
this
transfer,
islets
may
be
continuously
exposed
gut‐derived
components.
Changes
composition
can
damage
barrier
varying
degrees,
resulting
increased
permeability
bacteria
their
derivatives.
All
these
changes
contribute
severe
disturbance
critical
pathways
peripheral
tissues
organs.
In
review,
we
outlined
different
gut–islet
signalling
mechanisms
associated
with
summarized
latest
progress
complex
molecules
microbiota.
addition,
will
discuss
impact
renin–angiotensin
system
(RAS)
on
various
components
regulate
homeostasis.
This
work
indicates
therapeutic
approaches
aiming
restore
microbial
homeostasis,
probiotics
faecal
transplantation
(FMT),
shown
great
potential
improving
outcomes,
enhancing
patient
prognosis
slowing
down
disease
progression.
Future
research
should
further
uncover
molecular
links
explore
individualized
strategies,
which
provide
innovative
perspective
approach
for
diagnosis
Language: Английский
From sensory organs to internal pathways: A comprehensive review of amino acid sensing in Drosophila
Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 111828 - 111828
Published: Feb. 1, 2025
Language: Английский
A gut hormone governing protein appetite and longevity
Nature Metabolism,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Language: Английский
A high-protein diet-responsive gut hormone regulates behavioral and metabolic optimization in Drosophila melanogaster
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Dec. 30, 2024
Protein
is
essential
for
all
living
organisms;
however,
excessive
protein
intake
can
have
adverse
effects,
such
as
hyperammonemia.
Although
mechanisms
responding
to
deficiency
are
well-studied,
there
a
significant
gap
in
our
understanding
of
how
organisms
adaptively
suppress
intake.
In
the
present
study,
utilizing
fruit
fly,
Drosophila
melanogaster,
we
discover
that
peptide
hormone
CCHamide1
(CCHa1),
secreted
by
enteroendocrine
cells
response
high-protein
diet
(HPD),
vital
suppressing
overconsumption
protein.
Gut-derived
CCHa1
received
small
subset
enteric
neurons
produce
short
neuropeptide
F,
thereby
modulating
protein-specific
satiety.
Importantly,
impairment
CCHa1-mediated
gut-enteric
neuronal
axis
results
ammonia
accumulation
and
shortened
lifespan
under
HPD
conditions.
Collectively,
findings
unravel
crosstalk
gut
pathways
orchestrate
physiological
responses
prevent
adapt
dietary
overload.
Language: Английский
Gut-to-brain regulation ofDrosophilaaging through neuropeptide F, insulin and juvenile hormone
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 30, 2024
Dietary
restriction
slows
aging
in
many
animals,
while
some
cases
the
sensory
signals
from
diet
alone
are
sufficient
to
retard
or
accelerate
lifespan.
The
digestive
tract
is
a
candidate
location
sense
nutrients,
where
neuropeptides
secreted
by
enteroendocrine
cells
(EEC)
produce
systemic
response
food.
Here
we
measure
how
Language: Английский
mGluR7: the new player protecting the central nervous system
Li Pan,
No information about this author
Wangrui Lei,
No information about this author
Yushu Dong
No information about this author
et al.
Ageing Research Reviews,
Journal Year:
2024,
Volume and Issue:
102, P. 102554 - 102554
Published: Oct. 24, 2024
Language: Английский
The transcription factor Chronophage/BCL11A/B promotes intestinal stem cell proliferation and endocrine differentiation in theDrosophilaintestine
E. KING,
No information about this author
Eleanor Jacobsen,
No information about this author
Nicholas Woolner
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 6, 2024
Abstract
Tissue-resident
Adult
Stem
Cells
(ASCs)
need
to
continuously
adapt
their
rate
of
division
and
differentiation
based
on
tissue
environment.
However,
the
gene
regulatory
networks
that
govern
these
decisions
in
ASCs
how
they
respond
challenges
such
as
infection
are
often
not
fully
understood.
We
identify
a
novel
role
for
transcription
factor
(TF)
Chronophage
(Cph)
ISC
proliferation
entero-endocrine
(EE)
cell
differentiation.
Cph
is
Z2H2
zinc
TF
orthologous
mammalian
BCL11A/B
involved
regulating
adult
stem
fate
various
contexts.
show
here
expressed
ISCs
EEs
Drosophila
intestine.
Increased
levels
correlates
with
increased
EE
cph
loss-of-function
leads
impaired
proliferation.
elevated
during
tumourigenesis
well
ageing
conditions.
Knockdown
Notch-mutant
tumour
model
reduces
size
incidence
extends
lifespan.
Mechanistically,
overexpression
an
increase
enteroendocrine
cells
DamID
DNA-binding
qRT-PCR
analysis
reveals
directly
regulates
key
genes
Prospero
(
pros
)
Phyllopod
phyl
).
In
addition,
core
cycle
regulators
E2F1
Nerfin-1
controls
maintenance.
Together,
data
support
finetuning
balance
between
Language: Английский
Context-dependent impact of the dietary non-essential amino acid tyrosine on Drosophila physiology and longevity
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(35)
Published: Aug. 30, 2024
Dietary
protein
intake
modulates
growth,
reproduction,
and
longevity
by
stimulating
amino
acid
(AA)-sensing
pathways.
Essential
AAs
are
often
considered
as
limiting
nutrients
during
scarcity,
the
role
of
dietary
non-essential
(NEAAs)
is
less
explored.
Although
tyrosine
has
been
reported
to
be
crucial
for
sensing
restriction
in
Language: Английский
Transcriptional Regulation of Neuropeptide Receptors Decodes Complexity of Peptidergic Modulation of Behavior and Physiology.
SeungHeui Ryu,
No information about this author
Yanan Wei,
No information about this author
Zekun Wu
No information about this author
et al.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 23, 2024
ABSTRACT
The
modulation
of
complex
behaviors
in
response
to
environmental
and
physiological
contexts
is
a
fundamental
aspect
animal
biology,
with
neuropeptides
(NPs)
playing
crucial
role
this
process.
This
study
investigates
the
transcriptional
regulation
neuropeptide
receptors
(NPRs)
as
mechanism
for
context-dependent
neuropeptidergic
physiology
behavior.
We
hypothesize
that
control
NPR
genes,
rather
than
NPs
themselves,
critical
determinant
behavior
physiology.
Using
multi-faceted
approach,
including
comparative
genomics,
transcription
factor
network
analysis,
empirical
validation
model
organisms
such
Drosophila
melanogaster
,
we
reveal
regulatory
landscape
where
expression
tightly
controlled.
Our
findings
demonstrate
genes
exhibit
higher
number
enhancers,
CTCF-binding
sites,
open
chromatin
regions
compared
NP
suggesting
greater
susceptibility
modulation.
architecture
allows
precise
over
signaling,
enabling
dynamic
context-specific
behavioral
responses.
results
highlight
importance
NPR-expressing
cells
by
mediating
effects
on
show
conserved
across
species,
indicating
an
evolutionarily
significant
fine-tuning
signaling.
Furthermore,
our
provides
insights
into
distinct
mechanisms
underlying
multifunctionality
their
receptors,
offering
novel
perspective
behaviors.
In
conclusion,
advances
understanding
signaling
focusing
NPRs.
have
broad
implications
development
therapeutic
strategies
targeting
systems
various
neurological
disorders.
Language: Английский