Diabetologia,
Journal Year:
2024,
Volume and Issue:
67(8), P. 1602 - 1615
Published: May 6, 2024
Abstract
Aims/hypotheses
Glucagon
and
glucagon-like
peptide-1
(GLP-1)
are
derived
from
the
same
precursor;
proglucagon,
dual
agonists
of
their
receptors
currently
being
explored
for
treatment
obesity
metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD).
Elevated
levels
endogenous
glucagon
(hyperglucagonaemia)
have
been
linked
with
hyperglycaemia
in
individuals
type
2
diabetes
but
also
observed
MASLD.
GLP-1
reported
to
be
largely
unaffected
or
even
reduced
similar
conditions.
We
investigated
potential
determinants
plasma
proglucagon
associations
receptor
signalling
diseases
based
on
data
UK
Biobank.
Methods
used
exome
sequencing
Biobank
~410,000
white
participants
identify
variants
grouped
them
known
predicted
signalling.
Data
estimated
using
Olink
technology
were
available
a
subset
cohort
(~40,000).
determined
BMI,
fat
(quantified
by
MRI)
performed
survival
analyses
investigate
if
elevated
predicts
development.
Results
Obesity,
MASLD
associated
independently
each
other.
Baseline
risk
development
over
14
year
follow-up
period
(HR
1.13;
95%
CI
1.09,
1.17;
n
=1562;
p
=1.3×10
−12
).
This
association
was
magnitude
across
strata
BMI.
Carriers
cAMP
had
(β
0.847;
0.04,
1.66;
=17;
=0.04),
carriers
frameshift
mutation
higher
compared
wild-type
reference
group
0.504;
0.03,
0.98;
=11;
=0.04).
Conclusions/interpretation
Our
findings
support
suggestion
that
is
involved
MASLD,
development,
influenced
genetic
variation
receptor,
obesity,
Determining
molecular
pathways
downstream
activation
may
guide
biased
GLP-1/glucagon
co-agonist
improved
benefits.
availability
All
coding
through
https://github.com/nicwin98/UK-Biobank-GCG
Graphical
Molecular Metabolism,
Journal Year:
2025,
Volume and Issue:
95, P. 102118 - 102118
Published: Feb. 28, 2025
Glucose-dependent
insulinotropic
polypeptide
(GIP)
was
the
first
incretin
identified
and
plays
an
essential
role
in
maintenance
of
glucose
tolerance
healthy
humans.
Until
recently
GIP
had
not
been
developed
as
a
therapeutic
thus
has
overshadowed
by
other
incretin,
glucagon-like
peptide
1
(GLP-1),
which
is
basis
for
several
successful
drugs
to
treat
diabetes
obesity.
However,
there
rekindling
interest
biology
recent
years,
great
part
due
pharmacology
demonstrating
that
both
GIPR
agonism
antagonism
may
be
beneficial
treating
obesity
diabetes.
This
apparent
paradox
reinvigorated
field,
led
new
lines
investigation,
deeper
understanding
GIP.
In
this
review,
we
provide
detailed
overview
on
multifaceted
nature
discuss
implications
signal
modification
various
diseases.
Following
its
classification
hormone,
emerged
pleiotropic
hormone
with
variety
metabolic
effects
outside
endocrine
pancreas.
The
numerous
render
interesting
candidate
development
pharmacotherapies
obesity,
diabetes,
drug-induced
nausea
bone
neurodegenerative
disorders.
Journal of Hepatology,
Journal Year:
2024,
Volume and Issue:
81(5), P. 837 - 846
Published: June 8, 2024
Survodutide
is
a
glucagon/glucagon-like
peptide-1
receptor
dual
agonist
in
development
for
the
treatment
of
metabolic
dysfunction-associated
steatohepatitis
(MASH).
We
investigated
pharmacokinetic
and
safety
profile
survodutide
people
with
cirrhosis.
Journal of Endocrinology,
Journal Year:
2024,
Volume and Issue:
261(3)
Published: April 3, 2024
Metabolic-associated
steatotic
liver
disease
(MASLD)
is
closely
associated
with
obesity.
MASLD
affects
over
1
billion
adults
globally
but
there
are
few
treatment
options
available.
Glucagon
a
key
metabolic
regulator,
and
its
actions
include
the
reduction
of
fat
through
direct
indirect
means.
Chronic
glucagon
signalling
deficiency
hyperaminoacidaemia,
hyperglucagonaemia
increased
circulating
levels
glucagon-like
peptide
(GLP-1)
fibroblast
growth
factor
21
(FGF-21).
Reduction
in
activity
decreases
hepatic
amino
acid
triglyceride
catabolism;
effects
improved
glucose
tolerance,
plasma
cholesterol
fat.
Conversely,
infusion
healthy
volunteers
leads
to
output,
decreased
acids
urea
production,
energy
expenditure.
Patients
share
many
hormonal
characteristics
models
deficiency,
suggesting
that
they
could
be
resistant
glucagon.
Although
studies
patients
obesity
and/or
MASLD,
some
evidence
expected
effect
on
catabolism
may
attenuated.
Taken
together,
this
supports
notion
resistance
exists
contribute
pathogenesis
MASLD.
Further
warranted
investigate
metabolism
Metabolites,
Journal Year:
2024,
Volume and Issue:
14(4), P. 218 - 218
Published: April 12, 2024
Metabolic-associated
fatty
liver
disease
(MAFLD),
characterized
primarily
by
hepatic
steatosis,
has
become
the
most
prevalent
worldwide,
affecting
approximately
two-fifths
of
global
population.
The
pathogenesis
MAFLD
is
extremely
complex,
and
to
date,
there
are
no
approved
therapeutic
drugs
for
clinical
use.
Considerable
evidence
indicates
that
various
metabolic
disorders
play
a
pivotal
role
in
progression
MAFLD,
including
lipids,
carbohydrates,
amino
acids,
micronutrients.
In
recent
years,
medicinal
properties
natural
products
have
attracted
widespread
attention,
numerous
studies
reported
their
efficacy
ameliorating
subsequently
alleviating
MAFLD.
This
review
aims
summarize
metabolic-associated
pathological
mechanisms
as
well
regulate
pathways
alleviate
BMC Endocrine Disorders,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: March 14, 2024
Abstract
Background
Glucagon
is
secreted
from
pancreatic
alpha
cells
in
response
to
low
blood
glucose
and
increases
hepatic
production.
Furthermore,
glucagon
enhances
protein
lipid
metabolism
during
a
mixed
meal.
Glucagon-like
peptide-1
(GLP-1)
glucose-dependent
insulinotropic
polypeptide
(GIP)
are
gut
endocrine
meals
control
homeostasis
by
potentiating
insulin
secretion
inhibiting
food
intake.
Both
intake
have
been
reported
be
affected
circadian
rhythms
vice
versa.
In
this
study,
we
investigated
whether
the
of
glucagon,
GLP-1
GIP
was
rhythms.
Methods
A
total
24
healthy
men
with
regular
sleep
schedules
were
examined
for
h
at
hospital
ward
15
wakefulness
9
sleep.
Food
standardized,
samples
obtained
every
third
hour.
Plasma
concentrations
measured,
data
analyzed
rhythmometric
statistical
methods.
Available
on
plasma
C-peptide
also
included.
Results
GLP-1,
GIP,
fluctuated
diurnal
24-h
rhythm,
highest
levels
day
lowest
night:
(
p
<
0.0001,
peak
time
18:26
h),
17:28
18:01
17.59
23:26
h).
As
expected,
found
significant
correlations
between
but
did
not
find
GIP.
Conclusions
Our
results
demonstrate
that
under
meal
conditions
similar
many
free-living
individuals,
observed
higher
daytime
evening
than
overnight.
These
findings
underpin
disturbed
rhythm
as
potential
risk
factor
diabetes
obesity.
Trial
registration
ClinicalTrials.gov
Identifier:
NCT06166368.
Registered
12
December
2023.
Endocrinology and Metabolism,
Journal Year:
2024,
Volume and Issue:
39(2), P. 206 - 221
Published: April 16, 2024
Obesity
is
a
significant
risk
factor
for
health
issues
like
type
2
diabetes
and
cardiovascular
disease.
It
often
proves
resistant
to
traditional
lifestyle
interventions,
prompting
need
more
precise
therapeutic
strategies.
This
has
led
focus
on
signaling
pathways
neuroendocrine
mechanisms
develop
targeted
obesity
treatments.
Recent
developments
in
management
have
been
revolutionized
by
introducing
novel
glucagon-like
peptide-1
(GLP-1)
based
drugs,
such
as
semaglutide
tirzepatide.
These
drugs
are
part
of
an
emerging
class
nutrient-stimulated
hormone-based
therapeutics,
acting
incretin
mimetics
target
G-protein–coupled
receptors
GLP-1,
glucose-dependent
insulinotropic
polypeptide
(GIP),
glucagon.
vital
regulating
body
fat
energy
balance.
The
development
multiagonists,
including
GLP-1–glucagon
GIP–GLP-1–glucagon
receptor
agonists,
especially
with
the
potential
glucagon
activation,
marks
advancement
field.
review
covers
clinical
efficacy
various
GLP-1-based
exploring
challenges
future
directions
management.