International Journal of Molecular Sciences,
Journal Year:
2016,
Volume and Issue:
17(8), P. 1320 - 1320
Published: Aug. 12, 2016
Despite
the
fact
that
G
protein-coupled
receptors
(GPCRs)
are
largest
signal-conveying
receptor
family
and
mediate
many
physiological
processes,
their
role
in
tumor
biology
is
underappreciated.
Numerous
lines
of
evidence
now
associate
GPCRs
downstream
signaling
targets
cancer
growth
development.
Indeed,
control
features
tumorigenesis,
including
immune
cell-mediated
functions,
proliferation,
invasion
survival
at
secondary
site.
Technological
advances
have
further
substantiated
GPCR
modifications
human
tumors.
Among
these
point
mutations,
gene
overexpression,
silencing
by
promoter
methylation
number
copies.
At
this
point,
it
imperative
to
elucidate
specific
pathways
"cancer
driver"
GPCRs.
Emerging
data
on
functional
selectivity
"biased
agonism";
hence,
there
a
diminishing
enthusiasm
for
concept
"one
drug
per
target"
increasing
interest
identification
several
options.
Therefore,
determining
appropriate
context-dependent
conformation
as
well
contribution
alterations
development
remain
significant
challenges
discovery
dominant
genes
targeted
therapeutics.
Pharmacological Reviews,
Journal Year:
2010,
Volume and Issue:
62(4), P. 588 - 631
Published: Nov. 15, 2010
There
are
at
least
two
types
of
cannabinoid
receptors
(CB1
and
CB2).
Ligands
activating
these
G
protein-coupled
(GPCRs)
include
the
phytocannabinoid
Δ9-tetrahydrocannabinol,
numerous
synthetic
compounds,
endogenous
compounds
known
as
endocannabinoids.
Cannabinoid
receptor
antagonists
have
also
been
developed.
Some
ligands
activate
or
block
one
type
more
potently
than
other
type.
This
review
summarizes
current
data
indicating
extent
to
which
undergo
orthosteric
allosteric
interactions
with
non-CB1,
non-CB2
established
GPCRs,
deorphanized
such
GPR55,
ligand-gated
ion
channels,
transient
potential
(TRP)
channels
peroxisome
proliferator-activated
nuclear
receptors.
From
data,
it
is
clear
that
some
interact
similarly
CB1
and/or
CB2
likely
display
significantly
different
pharmacological
profiles.
The
lists
criteria
any
novel
“CB3”
channel
should
fulfil
concludes
not
currently
met
by
channel.
However,
does
identify
certain
targets
be
investigated
further
CB3
channels.
These
TRP
vanilloid
1,
possibly
functions
an
ionotropic
under
physiological
pathological
conditions,
GPCRs.
Also
discussed
1)
ability
form
heteromeric
complexes
2)
phylogenetic
relationships
exist
between
CB1/CB2
3)
evidence
for
existence
several
as-yet-uncharacterized
receptors;
4)
nomenclature.
The Annual Review of Pharmacology and Toxicology,
Journal Year:
2010,
Volume and Issue:
50(1), P. 157 - 186
Published: Jan. 8, 2010
Lysophosphatidic
acid
(LPA)
is
a
small,
ubiquitous
phospholipid
that
acts
as
an
extracellular
signaling
molecule
by
binding
to
and
activating
at
least
five
known
G
protein-coupled
receptors
(GPCRs):
LPA(1)-LPA(5).
They
are
encoded
distinct
genes
named
LPAR1-LPAR5
in
humans
Lpar1-Lpar5
mice.
The
biological
roles
of
LPA
diverse
include
developmental,
physiological,
pathophysiological
effects.
This
diversity
mediated
broad
overlapping
expression
patterns
multiple
downstream
pathways
activated
cognate
receptors.
Studies
using
cloned
genetic
knockout
mice
have
been
instrumental
uncovering
the
significance
this
system,
notably
involving
basic
cellular
processes
well
organ
systems
such
nervous
system.
has
further
provided
valuable
proof-of-concept
data
support
metabolic
enzymes
targets
for
treatment
medically
important
diseases
neuropsychiatric
disorders,
neuropathic
pain,
infertility,
cardiovascular
disease,
inflammation,
fibrosis,
cancer.
British Journal of Pharmacology,
Journal Year:
2013,
Volume and Issue:
170(8), P. 1459 - 1581
Published: Dec. 1, 2013
Abstract
The
Concise
Guide
to
PHARMACOLOGY
2013/14
provides
concise
overviews
of
the
key
properties
over
2000
human
drug
targets
with
their
pharmacology,
plus
links
an
open
access
knowledgebase
and
ligands
(
www.guidetopharmacology.org
),
which
more
detailed
views
target
ligand
properties.
full
contents
can
be
found
at
http://onlinelibrary.wiley.com/doi/10.1111/bph.12444/full
.
G
protein‐coupled
receptors
are
one
seven
major
pharmacological
into
is
divided,
others
being
receptors,
ligand‐gated
ion
channels,
catalytic
nuclear
hormone
transporters
enzymes.
These
presented
nomenclature
guidance
summary
information
on
best
available
tools,
alongside
references
suggestions
for
further
reading.
A
new
landscape
format
has
easy
use
tables
comparing
related
targets.
It
a
condensed
version
material
contemporary
late
2013,
in
greater
detail
constantly
updated
website
,
superseding
data
previous
Guides
Receptors
Channels.
produced
conjunction
NC
‐
IUPHAR
official
classification
targets,
where
appropriate.
consolidates
previously
curated
displayed
separately
DB
Channels,
providing
permanent,
citable,
point‐in‐time
record
that
will
survive
database
updates.
The Annual Review of Pharmacology and Toxicology,
Journal Year:
2008,
Volume and Issue:
49(1), P. 123 - 150
Published: Oct. 3, 2008
Prostaglandins,
leukotrienes,
platelet-activating
factor,
lysophosphatidic
acid,
sphingosine
1-phosphate,
and
endocannabinoids,
collectively
referred
to
as
lipid
mediators,
play
pivotal
roles
in
immune
regulation
self-defense,
the
maintenance
of
homeostasis
living
systems.
They
are
produced
by
multistep
enzymatic
pathways,
which
initiated
de-esterification
membrane
phospholipids
phospholipase
A2s
or
sphingo-myelinase.
Lipid
mediators
exert
their
biological
effects
binding
cognate
receptors,
members
G
protein–coupled
receptor
superfamily.
The
synthesis
subsequent
induction
activity
is
tightly
regulated
under
normal
physiological
conditions,
enzyme
and/or
dysfunction
can
lead
a
variety
disease
conditions.
Thus,
manipulation
mediator
signaling,
through
either
inhibitors
antagonists
agonists,
has
great
potential
therapeutic
approach
disease.
In
this
review,
I
summarize
our
current
state
knowledge
function
discuss
genetic
pharmacological
ablation
on
various
pathophysiological
processes.
Journal of Biological Chemistry,
Journal Year:
2006,
Volume and Issue:
281(35), P. 25822 - 25830
Published: July 8, 2006
Autotaxin
(ATX)
is
a
cancer-associated
motogen
that
has
multiple
biological
activities
in
vitro
through
the
production
of
bioactive
small
lipids,
lysophosphatidic
acid
(LPA).
ATX
and
LPA
are
abundantly
present
circulating
blood.
However,
their
roles
circulation
remain
to
be
solved.
To
uncover
physiological
role
we
analyzed
knock-out
mice.
In
ATX-null
embryos,
early
blood
vessels
appeared
form
properly,
but
they
failed
develop
into
mature
vessels.
As
result
mice
lethal
around
embryonic
day
10.5.
The
phenotype
much
more
severe
than
those
receptor
reported
so
far.
cultured
allantois
explants,
neither
nor
was
angiogenic.
both
them
helped
maintain
preformed
by
preventing
disassembly
not
antagonized
Ki16425,
an
antagonist.
serum
from
heterozygous
lysophospholipase
D
activity
level
were
about
half
wild-type
mice,
showing
responsible
for
bulk
serum.
study
revealed
previously
unassigned
stabilizing
novel
signaling
pathways.
British Journal of Pharmacology,
Journal Year:
2007,
Volume and Issue:
152(5), P. 567 - 575
Published: Oct. 1, 2007
Cannabinoids
have
numerous
physiological
effects.
In
the
years
since
molecular
identification
of
G
protein-coupled
receptors
CB1
and
CB2,
ion
channel
TRPV1,
their
corresponding
endogenous
ligand
systems,
many
cannabinoid-evoked
actions
been
shown
conclusively
to
be
mediated
by
one
these
specific
receptor
targets.
However,
there
remain
several
examples
where
classical
cannabinoid
do
not
explain
observed
pharmacology.
Studies
using
mice
genetically
deleted
for
known
confirmed
existence
additional
targets,
which
come
collectively
as
non-CB1/CB2
receptors.
Despite
intense
research
efforts,
identity
remains
most
part
unclear.
Two
orphan
recently
implicated
novel
receptors;
are
GPR119,
has
proposed
a
oleoylethanolamide,
GPR55
activated
multiple
different
ligands.
this
review
I
will
present
an
introduction
pharmacology,
summarize
information
on
GPR119
currently
available,
consider
phylogenetic
origin
what
aspects
if
any,
they
help
explain.