Nature Communications,
Journal Year:
2018,
Volume and Issue:
9(1)
Published: April 17, 2018
Glucagon-like
peptide-1
receptor
(GLP-1R)
activation
promotes
insulin
secretion
from
pancreatic
beta
cells,
causes
weight
loss,
and
is
an
important
pharmacological
target
in
type
2
diabetes
(T2D).
Like
other
G
protein-coupled
receptors,
the
GLP-1R
undergoes
agonist-mediated
endocytosis,
but
functional
therapeutic
consequences
of
modulating
endocytic
trafficking
have
not
been
clearly
defined.
Here,
we
investigate
a
series
biased
agonists
with
variable
propensities
for
internalization
recycling.
Compared
to
panel
FDA-approved
GLP-1
mimetics,
compounds
that
retain
at
plasma
membrane
produce
greater
long-term
release,
which
dependent
on
reduction
β-arrestin
recruitment
faster
agonist
dissociation
rates.
Such
molecules
elicit
glycemic
benefits
mice
without
concomitant
increases
signs
nausea,
common
side
effect
therapies.
Our
study
identifies
set
agents
specific
profiles
potential
efficacy
tolerability
as
T2D
treatments.
JACC Basic to Translational Science,
Journal Year:
2018,
Volume and Issue:
3(6), P. 844 - 857
Published: Nov. 21, 2018
The
glucagon-like
peptide-1
receptor
agonists
(GLP-1RAs)
liraglutide
and
semaglutide
reduce
cardiovascular
risk
in
type
2
diabetes
patients.
mode
of
action
is
suggested
to
occur
through
modified
atherosclerotic
progression.
In
this
study,
both
the
compounds
significantly
attenuated
plaque
lesion
development
apolipoprotein
E-deficient
(ApoE-/-)
mice
low-density
lipoprotein
receptor-deficient
(LDLr-/-)
mice.
This
attenuation
was
partly
independent
weight
cholesterol
lowering.
aortic
tissue,
exposure
a
Western
diet
alters
expression
genes
pathways
relevant
pathogenesis
atherosclerosis,
including
leukocyte
recruitment,
rolling,
adhesion/extravasation,
metabolism,
lipid-mediated
signaling,
extracellular
matrix
protein
turnover,
hemorrhage.
Treatment
with
reversed
these
changes.
These
data
suggest
GLP-1RAs
affect
atherosclerosis
an
anti-inflammatory
mechanism.
Pharmacological Reviews,
Journal Year:
2016,
Volume and Issue:
68(4), P. 954 - 1013
Published: Sept. 14, 2016
The
glucagon-like
peptide
(GLP)-1
receptor
(GLP-1R)
is
a
class
B
G
protein–coupled
(GPCR)
that
mediates
the
action
of
GLP-1,
hormone
secreted
from
three
major
tissues
in
humans,
enteroendocrine
L
cells
distal
intestine,
α
pancreas,
and
central
nervous
system,
which
exerts
important
actions
useful
management
type
2
diabetes
mellitus
obesity,
including
glucose
homeostasis
regulation
gastric
motility
food
intake.
Peptidic
analogs
GLP-1
have
been
successfully
developed
with
enhanced
bioavailability
pharmacological
activity.
Physiologic
biochemical
studies
truncated,
chimeric,
mutated
peptides
GLP-1R
variants,
together
ligand-bound
crystal
structures
extracellular
domain
first
three-dimensional
7-helical
transmembrane
GPCRs,
provided
basis
for
two-domain–binding
mechanism
its
cognate
receptor.
Although
efforts
discovering
therapeutically
viable
nonpeptidic
agonists
hampered,
small-molecule
modulators
offer
complementary
chemical
tools
to
investigate
ligand-directed
biased
cellular
signaling
GLP-1R.
integrated
structural
information
different
homologous
receptors
give
new
insights
into
molecular
determinants
ligand
selectivity
functional
activity,
thereby
providing
novel
opportunities
design
development
more
efficacious
agents
treat
metabolic
disorders.
Circulation Research,
Journal Year:
2014,
Volume and Issue:
114(11), P. 1788 - 1803
Published: May 22, 2014
Glucagon-like
peptide-1
receptor
(GLP-1R)
agonists
and
dipeptidyl
peptidase-4
(DPP-4)
inhibitors
represent
2
distinct
classes
of
incretin-based
therapies
used
for
the
treatment
type
diabetes
mellitus.
Activation
GLP-1R
signaling
or
inhibition
DPP-4
activity
produces
a
broad
range
overlapping
unique
cardiovascular
actions.
Native
GLP-1
regulates
biology
via
activation
classical
GLP-1R,
through
GLP-1(9-36),
cardioactive
metabolite
generated
by
DPP-4-mediated
cleavage.
In
contrast,
clinically
approved
are
not
cleaved
to
GLP-1(9-36)
produce
majority
their
actions
GLP-1R.
The
mechanisms
engaged
more
complex,
encompassing
increased
levels
intact
GLP-1,
reduced
changes
in
numerous
peptides.
Herein
we
review
recent
experimental
clinical
advances
that
reveal
how
affect
normal
diabetic
heart
coronary
vasculature,
often
independent
blood
glucose.
Improved
understanding
complex
science
is
required
optimize
selection
these
therapeutic
agents
patients
with
disease.
Cardiovascular Research,
Journal Year:
2017,
Volume and Issue:
113(6), P. 564 - 585
Published: March 15, 2017
Ischaemic
heart
disease
and
the
failure
that
often
results,
remain
leading
causes
of
death
disability
in
Europe
worldwide.
As
such,
order
to
prevent
improve
clinical
outcomes
patients
presenting
with
an
acute
ST-segment
elevation
myocardial
infarction
undergoing
coronary
artery
bypass
graft
surgery,
novel
therapies
are
required
protect
against
detrimental
effects
ischaemia/reperfusion
injury
(IRI).
During
last
three
decades,
a
wide
variety
ischaemic
conditioning
strategies
pharmacological
treatments
have
been
tested
clinic—however,
their
translation
from
experimental
studies
for
improving
patient
has
both
challenging
disappointing.
Therefore,
this
Position
Paper
European
Society
Cardiology
Working
Group
on
Cellular
Biology
Heart,
we
critically
analyse
current
state
settings,
provide
recommendations
its
into
setting,
highlight
therapeutic
targets
new
treatment
reducing
IRI.
Diabetes Obesity and Metabolism,
Journal Year:
2015,
Volume and Issue:
18(4), P. 317 - 332
Published: Oct. 29, 2015
Currently,
six
glucagon-like
peptide-1
receptor
agonists
(GLP-1RAs)
are
approved
for
treating
type
2
diabetes.
These
fall
into
two
classes
based
on
their
activation:
short-acting
exenatide
twice
daily
and
lixisenatide
once
daily;
longer-acting
liraglutide
daily,
weekly,
albiglutide
weekly
dulaglutide
weekly.
The
phase
III
trial
of
a
seventh
GLP-1RA,
taspoglutide
was
stopped
because
unacceptable
adverse
events
(AEs).
Nine
head-to-head
trials
one
large
II
study
have
compared
the
efficacy
safety
these
seven
GLP-1RAs.
All
were
associated
with
notable
reductions
in
glycated
haemoglobin
(HbA1c)
levels,
although
led
to
greater
decreases
than
formulations
albiglutide,
HbA1c
did
not
differ
between
dulaglutide.
As
GLP-1RAs
delay
gastric
emptying,
they
effects
postprandial
glucose
levels
agents,
whereas
compounds
reduced
plasma
throughout
24-h
period
studied.
Liraglutide
weight
similar
those
but
most
frequently
observed
AEs
gastrointestinal
disorders,
particularly
nausea,
vomiting
diarrhoea.
Nauseaoccurred
less
frequently,
however,
liraglutide.
Both
may
be
higher
incidences
injection-site
reactions
GLP-1RA
use
clinical
practice
should
customized
individual
patients,
profile
patient
preference.
Ongoing
assessments
novel
delivery
methods
further
expand
future
treatment
options.
Frontiers in Endocrinology,
Journal Year:
2021,
Volume and Issue:
12
Published: Aug. 23, 2021
Glucagon
like
peptide-1
(GLP-1)
is
an
incretin
secretory
molecule.
GLP-1
receptor
agonists
(GLP-1RAs)
are
widely
used
in
the
treatment
of
type
2
diabetes
(T2DM)
due
to
their
attributes
such
as
body
weight
loss,
protection
islet
β
cells,
promotion
cell
proliferation
and
minimal
side
effects.
Studies
have
found
that
GLP-1R
distributed
on
pancreatic
other
tissues
has
multiple
biological
effects,
reducing
neuroinflammation,
promoting
nerve
growth,
improving
heart
function,
suppressing
appetite,
delaying
gastric
emptying,
regulating
blood
lipid
metabolism
fat
deposition.
Moreover,
GLP-1RAs
neuroprotective,
anti-infectious,
cardiovascular
protective,
metabolic
regulatory
exhibiting
good
application
prospects.
Growing
attention
been
paid
relationship
between
tumorigenesis,
development
prognosis
patient
with
T2DM.
Here,
we
reviewed
therapeutic
effects
possible
mechanisms
action
nervous,
cardiovascular,
endocrine
systems
correlation
metabolism,
tumours
diseases.
European Heart Journal,
Journal Year:
2015,
Volume and Issue:
36(34), P. 2288 - 2296
Published: June 10, 2015
Type
2
diabetes
mellitus
(T2DM)
is
characterized
by
multiple
pathophysiologic
abnormalities.
With
time,
glucose-lowering
medications
are
commonly
required
to
reduce
and
maintain
plasma
glucose
concentrations
within
the
normal
range.
individuals
also
at
a
very
high
risk
for
microvascular
complications
incidence
of
heart
attack
stroke
increased
two-
three-fold
compared
with
non-diabetic
individuals.
Therefore,
when
selecting
normalize
levels
in
T2DM
patients,
it
important
that
agent
not
aggravate,
ideally
even
improve,
cardiovascular
factors
(CVRFs)
morbidity
mortality.
In
this
review,
we
examine
effect
oral
(metformin,
sulfonylureas,
meglitinides,
thiazolidinediones,
DPP4
inhibitors,
SGLT2
α-glucosidase
inhibitors)
injectable
(glucagon-like
peptide-1
receptor
agonists
insulin)
drugs
on
established
CVRFs
long-term
studies
outcomes.
Firm
evidence
disease
can
be
reversed
or
prevented
improving
glycaemic
control
still
incomplete
must
await
large,
clinical
trials
patients
low
using
modern
treatment
strategies,
i.e.
drug
combinations
designed
maximize
HbA1c
reduction
while
minimizing
hypoglycaemia
excessive
weight
gain.
Frontiers in Endocrinology,
Journal Year:
2018,
Volume and Issue:
9
Published: Nov. 23, 2018
The
incretin
hormone
Glucagon-Like
Peptide-1
(GLP-1)
is
best
known
for
its
'incretin
effect'
in
restoring
glucose
homeostasis
diabetics,
however,
it
now
apparent
that
has
a
broader
range
of
physiological
effects
the
body.
Both
vitro
and
vivo
studies
have
demonstrated
GLP-1
mimetics
alleviate
endoplasmic
reticulum
stress,
regulate
autophagy,
promote
metabolic
reprogramming,
stimulate
anti-inflammatory
signaling,
alter
gene
expression
influence
neuroprotective
pathways.
A
substantial
body
evidence
accumulated
with
respect
to
how
analogues
act
restore
maintain
normal
cellular
functions.
These
findings
prompted
several
clinical
trials
which
reported
improve
cardiac
function,
lung
function
reduce
mortality
patients
obstructive
disease,
blood
pressure
lipid
storage,
even
prevent
synaptic
loss
neurodegeneration.
Mechanistically,
elicits
via
acute
elevation
cAMP
levels,
subsequent
protein
kinase(s)
activation,
pathways
well
defined
pancreatic
β-cells
insulin
secretion
conjunction
elevated
Ca2+
ATP.
More
recently,
new
shed
light
on
additional
downstream
stimulated
by
chronic
exposure,
direct
relevance
our
understanding
potential
therapeutic
longer
lasting
recently
developed
use.
In
this
review,
we
provide
comprehensive
description
diverse
roles
across
multiple
tissues,
describe
discuss
novel
pleiotropic
applications
treatment
human
disease.