Scope
Cachexia,
which
is
often
marked
by
skeletal
muscular
atrophy,
one
of
the
leading
causes
death
in
cancer
patients.
Astaxanthin,
a
carotenoid
obtained
from
marine
organisms
that
can
aid
prevention
and
treatment
variety
disorders.
In
this
study,
to
assess
whether
astaxanthin
ameliorates
weight
loss
muscle
atrophy
sorafenib‐treated
hepatocellular
carcinoma
mice
aimed.
Methods
results
H22
are
treated
with
30
mg
kg
−1
day
sorafenib
60
gavage
lasted
for
18
days.
Sorafenib
does
not
delay
loss,
although
it
reduce
tumor
burden.
Astaxanthin
dramatically
delays
sorafenib‐treating
mice,
without
affecting
food
intake.
inhibits
glycolysis,
slows
down
gluconeogenesis,
improves
insulin
resistance
tumor‐bearing
mice.
increases
glucose
competition
targeting
PI3K/Akt/GLUT4
signaling
pathway,
enhances
utilization
efficiency
muscle,
thereby
slowing
atrophy.
Conclusion
The
findings
show
significant
potential
as
nutritional
supplements
patients,
well
notion
interventions
should
be
implemented
at
initiation
treatment,
instead
waiting
until
cachexia
sets
in.
The Journal of Physiological Sciences,
Journal Year:
2020,
Volume and Issue:
70(1)
Published: Sept. 16, 2020
Abstract
Skeletal
muscle
is
one
of
the
most
abundant
and
highly
plastic
tissues.
The
ubiquitin–proteasome
system
(UPS)
recognised
as
a
major
intracellular
protein
degradation
system,
its
function
important
for
homeostasis
health.
Although
UPS
plays
an
essential
role
in
during
atrophy,
leading
to
loss
mass
strength,
deficit
negatively
impacts
leads
occurrence
several
pathological
phenotypes.
A
growing
number
studies
have
linked
impairment
not
only
matured
fibre
degeneration
weakness,
but
also
stem
cells
deficiency
regeneration.
Emerging
evidence
suggests
possible
links
between
abnormal
regulation
types
diseases.
Therefore,
understanding
skeletal
may
provide
novel
therapeutic
insights
counteract
wasting,
various
In
this
review,
we
focussed
on
proteasomes
regeneration,
including
brief
explanation
structure
proteasomes.
addition,
summarised
recent
findings
diseases
elaborated
how
related
their
states.
Molecules,
Journal Year:
2021,
Volume and Issue:
26(2), P. 407 - 407
Published: Jan. 14, 2021
Skeletal
muscle
loss
is
a
detrimental
side-effect
of
numerous
chronic
diseases
that
dramatically
increases
mortality
and
morbidity.
The
alteration
protein
homeostasis
generally
due
to
increased
breakdown
while,
synthesis
may
also
be
down-regulated.
ubiquitin
proteasome
system
(UPS)
master
regulator
skeletal
impacts
contractile
properties
metabolism
through
multiple
levers
like
signaling
pathways,
apparatus
degradation,
etc.
Among
the
different
actors
UPS,
E3
ligases
specifically
target
key
proteins
for
either
degradation
or
activity
modulation,
thus
controlling
both
pro-anabolic
pro-catabolic
factors.
atrogenes
MuRF1/TRIM63
MAFbx/Atrogin-1
encode
respectively.
However,
several
other
are
involved
upstream
in
atrophy
program,
from
signal
transduction
control
modulation
energy
balance.
Controlling
tempting
approach
preserving
mass.
While
indirect
prove
beneficial
some
situations
atrophy,
drugs
directly
inhibiting
their
have
started
appear.
This
review
summarizes
main
pathways
implicated,
but
molecules
potentially
usable
future
therapies.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(3), P. 905 - 905
Published: March 15, 2023
Paraneoplastic
conditions
such
as
cancer
cachexia
are
often
exacerbated
by
chemotherapy,
which
affects
the
patient’s
quality
of
life
well
response
to
therapy.
The
aim
this
narrative
review
was
overview
body-composition-related
changes
and
molecular
effects
different
chemotherapy
agents
used
in
treatment
on
skeletal-muscle
remodeling.
A
literature
search
performed
using
Web
Science,
Scopus,
Science
Direct
databases
a
total
77
papers
retrieved.
In
general,
survey
showed
that
induced
skeletal
muscle
have
been
studied
mainly
animal
models
mostly
non-tumor-bearing
rodents,
whereas
clinical
studies
essentially
assessed
body
composition
computerized
tomography.
Data
from
preclinical
modulates
several
pathways
muscle,
including
ubiquitin–proteasome
pathway,
autophagy,
IGF-1/PI3K/Akt/mTOR,
IL-6/JAK/STAT,
NF-κB
pathway;
however,
newest
underexplored.
conclusion,
exacerbates
wasting
patients;
incomplete
characterization
chemotherapy-related
makes
development
new
preventive
anti-wasting
strategies
difficult.
Therefore,
further
investigation
mechanisms
necessary.
Cancers,
Journal Year:
2019,
Volume and Issue:
11(12), P. 1929 - 1929
Published: Dec. 3, 2019
Cancer
cachexia
is
a
devastating
syndrome
characterized
by
unintentional
weight
loss
attributed
to
extensive
skeletal
muscle
wasting.
The
pathogenesis
of
multifactorial
because
complex
interactions
tumor
and
host
factors.
irreversible
wasting
has
been
ascribed
systemic
inflammation,
insulin
resistance,
dysfunctional
mitochondria,
oxidative
stress,
heightened
activation
ubiquitin-proteasome
system
macroautophagy.
Accumulating
evidence
suggests
that
deviant
regulation
an
array
signaling
pathways
engenders
cancer
where
the
human
body
sustained
in
incessant
self-consuming
catabolic
state.
Recent
studies
have
further
suggested
several
components
endoplasmic
reticulum
(ER)
stress-induced
unfolded
protein
response
(UPR)
are
activated
animal
models
biopsies
cachectic
patients.
However,
exact
role
ER
stress
individual
arms
UPR
mass
various
states
including
just
begun
be
elucidated.
This
review
provides
succinct
overview
emerging
roles
cancer-induced
Frontiers in Endocrinology,
Journal Year:
2019,
Volume and Issue:
10
Published: Aug. 2, 2019
cAMP
is
one
of
the
earliest
described
mediators
hormone
action
in
response
to
physiologic
stress
that
allows
acute
responses
and
adaptation
every
tissue.
The
classic
role
signaling
metabolic
tissues
regulate
nutrient
partitioning.
In
stress,
such
as
epinephrine
released
during
strenuous
exercise
or
fasting,
intramuscular
liberates
glucose
from
glycogen
fatty
acids
triglycerides.
long-term,
activation
Gs-coupled
GPCRs
stimulates
muscle
growth
(hypertrophy)
through
multiple
pathways
culminate
a
net
increase
protein
synthesis,
mitochondrial
biogenesis,
improved
efficiency.
This
review
focuses
on
regulation,
function
transcriptional
targets
CREB
(cAMP
element
binding
protein)
CRTCs
(CREB
regulated
coactivators)
skeletal
potential
for
targeting
this
pathway
sustain
mass
type
2
diabetes
cancer.
Although
muscle-autonomous
roles
these
proteins
might
render
them
excellent
both
conditions,
pharmacologic
must
be
approached
with
caution.
Gain
CREB-CRTC
associated
excess
liver
output
diabetes,
growing
evidence
implicates
proliferation
invasion
different
types
cancer
cells.
We
conclude
deeper
investigation
identify
specific
regulatory
mechanisms
govern
activity
needed
safely
take
advantage
their
potent
effects
invigorate
potentially
improve
health
people