Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Mitochondrial
uncouplers
are
small
molecule
protonophores
that
act
to
dissipate
the
proton
motive
force
independent
of
adenosine
triphosphate
(ATP)
synthase.
such
as
BAM15
increase
respiration
and
energy
expenditure
have
potential
in
treating
a
variety
metabolic
diseases.
In
this
study,
we
disclose
structure-activity
relationship
profile
6-substituted
[1,2,5]oxadiazolo[3,4-
Biomolecules,
Journal Year:
2025,
Volume and Issue:
15(3), P. 408 - 408
Published: March 13, 2025
Worldwide,
nearly
40%
of
adults
are
overweight
and
13%
obese.
Health
consequences
excess
weight
include
cardiovascular
diseases,
type
2
diabetes,
dyslipidemia,
increased
mortality.
Treating
obesity
is
challenging
calorie
restriction
often
leads
to
rebound
gain.
Treatments
such
as
bariatric
surgery
create
hesitancy
among
patients
due
their
invasiveness.
GLP-1
medications
have
revolutionized
loss
can
reduce
body
in
obese
by
between
15%
25%
on
average
after
about
1
year.
Their
mode
action
mimic
the
endogenous
GLP-1,
an
intestinal
hormone
that
regulates
glucose
metabolism
satiety.
However,
drugs
carry
known
risks
and,
since
use
for
recent,
may
unforeseen
well.
They
a
boxed
warning
people
with
personal
or
family
history
medullary
thyroid
carcinoma
multiple
endocrine
neoplasia
syndrome
2.
Gastrointestinal
adverse
events
(nausea,
vomiting,
diarrhea)
fairly
common
while
pancreatitis
obstruction
rarer.
There
be
lean
mass
well
premature
facial
aging.
A
significant
disadvantage
using
these
high
rate
regain
when
they
discontinued.
Achieving
success
pharmacologic
treatment
then
weaning
avoid
future
negative
effects
would
ideal.
Clinical Infectious Diseases,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 24, 2024
Abstract
Background
Semaglutide
is
highly
effective
for
decreasing
weight.
Concomitant
loss
of
muscle
mass
often
accompanies
weight
and
may
have
consequences
on
function.
Methods
This
a
secondary
analysis
from
the
SLIM
LIVER
(Advancing
Clinical
Therapeutics
Globally
HIV/AIDS
Other
Infections,
ACTG
A5371)
study,
single-arm
study
semaglutide
in
people
with
human
immunodeficiency
virus
(HIV,
PWH)
metabolic
dysfunction–associated
steatotic
liver
diseases
(MASLD).
Participants
received
subcutaneous
24
weeks
(titrated
to
1
mg/week
by
week
4).
Psoas
volume
fat
fraction
were
assessed
magnetic
resonance
imaging,
physical
function
was
10-time
chair
rise
test
4
m
gait
speed.
Mean
change
baseline
estimated
linear
regression
modeling.
Results
Fifty-one
PWH
enrolled
(muscle
measures
n
=
46).
The
mean
age
50
years
(standard
deviation,
11),
body
index
35.5
kg/m2
(5.6),
43%
women,
33%
Black,
39%
Hispanic/Latino.
decreased
9.3%
(95%
confidence
interval
[CI]:
−13.4
−5.2;
P
<
.001)
over
weeks,
but
psoas
did
not
significantly
(−0.42%;
95%
CI:
−1.00
.17;
.16).
Chair
speed
showed
nonsignificant
improvements
1.27
seconds
−2.7
.10)
0.05
m/sec
−.01
.10),
respectively
(both
>
.07).
prevalence
slow
(<1
m/sec)
63%
46%
(P
.029).
Conclusions
In
receiving
MASLD,
despite
volume,
there
no
significant
function,
suggesting
maintained
muscle.
Trials
Registration
NCT04216589.
Pituitary,
Journal Year:
2024,
Volume and Issue:
27(5), P. 723 - 730
Published: Aug. 1, 2024
Abstract
Purpose
Patients
with
hypothalamic
pathology
often
develop
obesity,
causing
severe
metabolic
alterations
resulting
in
increased
morbidity
and
mortality.
Treatments
for
obesity
have
not
proven
very
effective,
although
the
glucagon-like
peptide-1
receptor
agonist
semaglutide
has
been
shown
to
positive
effects.
We
examined
semaglutide’s
effect
on
weight
loss
a
sample
of
patients
obesity.
Methods
Four
female
from
treatment
craniopharyngiomas
were
treated
six
months.
Whole
Body
Dual-energy
x-ray
absorptiometry
scans
performed,
blood
samples
drawn
at
baseline
after
Semaglutide
dosages
monthly
along
tracking
body
eating
behavior
(Three
Factor
Eating
Questionnaire,
TFEQ-R18).
Results
BMI
was
reduced
all
cases,
an
average
7.9
(range:
6.7
10.1)
corresponding
17.0%
11.3–22.4%)
or
20.2
kg
(range
16.2
23.4
kg).
found
comparable
reduction
total
fat
mass
(17.2%,
p
=
0.006)
lean
(16.0%,
0.05),
whereas
bone
unchanged
(2.6%,
0.12).
All
cases
reported
increase
energy
levels,
improved
mobility
physical
activity.
Unfavorable
behaviors
1
month
(emotional
−
41
points,
0.02,
uncontrolled
23
0.11).
HbA1c
cholesterol
significantly
(
0.014
both).
Conclusion
is
promising
safe
option
HO,
that
improves
behavior,
reduces
weight,
markers.
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(24), P. 4407 - 4407
Published: Dec. 23, 2024
Background:
Anabolic
resistance
accelerates
muscle
loss
in
aging
and
obesity,
thus
predisposing
to
sarcopenic
obesity.
Methods:
In
this
retrospective
analysis
of
a
randomized
clinical
trial,
we
examined
baseline
predictors
the
adaptive
response
three
months
home-based
exercise,
daily
physical
activity,
protein-based,
multi-ingredient
supplementation
(MIS)
cohort
free-living,
older
males
(n
=
32).
Results:
Multiple
linear
regression
analyses
revealed
that
obesity
Global
Risk
Index
for
metabolic
syndrome
(MetS)
were
strongest
Δ%
gains
lean
mass
(TLM
ASM),
LM/body
fat
ratios
(TLM/%BF,
ASM/FM,
ASM/%BF),
allometric
LM
(ASMI,
TLM/BW,
TLM/BMI,
ASM/BW),
with
moderately
strong,
negative
correlations
polytherapy
r
−0.36
−0.68
(p
<
0.05).
Kidney
function,
PA
level,
chronological
age
only
weakly
associated
treatment
outcomes
>
Next,
performed
subgroup
overweight/obese
participants
at
least
one
other
MetS
risk
factor
their
two
types
protein-based
MIS
(PLA;
collagen
peptides
safflower
oil,
n
8,
M5;
whey/casein,
creatine,
calcium,
vitamin
D3,
fish
12).
The
M5
group
showed
greater
improvements
(ASM;
+2%
vs.
−0.8%),
(ASM/FM;
+3.8%
−5.1%),
(ASM/BMI;
+1.2%
−2.5%),
strength
(leg
press;
+17%
−1.4%),
performance
(4-Step-Stair-Climb
time;
−10.5%
+1.1%)
PLA
Bone
turnover
markers,
indicative
bone
accretion,
increased
pre-to-post
intervention
(P1NP;
p
0.036,
P1NP/CTX
ratio;
0.088).
overall
anabolic
response,
as
indicated
by
ranking
low-to-high
responders
0.0079),
0.097),
0.19),
was
therefore
significantly
higher
0.013).
Conclusions:
Our
findings
confirm
obesity/MetS
is
key
driver
old
high-quality,
whey/casein-based
more
effective
than
collagen-based
alternative
maintaining
musculoskeletal
health
individuals
even
when
total
protein
intake
exceeds
current
guidelines.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 18, 2023
SUMMARY
A
central
question
in
adult
stem
cell
biology
is
elucidating
the
signaling
pathways
regulating
their
dynamics
and
function
diverse
physiological
age-related
contexts.
Muscle
cells
adults
(Satellite
Cells;
SCs)
are
generally
quiescent
but
can
activate
contribute
to
muscle
repair
growth.
Here
we
tested
role
of
MuSK-BMP
pathway
SC
quiescence
by
deletion
BMP-binding
MuSK
Ig3
domain
(‘ΔIg3-MuSK’).
At
3
months
age
myonuclei
numbers
myofiber
size
were
comparable
WT.
However,
at
5
density
was
decreased
while
size,
myonuclear
number
grip
strength
increased
-
indicating
that
SCs
had
activated
productively
fused
into
myofibers
over
this
interval.
Transcriptomic
analysis
showed
from
uninjured
ΔIg3-MuSK
mice
exhibit
signatures
activation.
Regeneration
experiments
maintain
full
function.
Expression
sufficient
break
increase
size.
We
conclude
regulates
a
autonomous,
age-dependent
manner.
Targeting
thus
emerges
therapeutic
strategy
for
promoting
growth
settings
injury,
disease,
aging.
Highlights
MuSK,
its
as
BMP
co-receptor,
The
acts
autonomously
Increased
with
preservation
stemness
attenuated
Scandinavian Journal of Medicine and Science in Sports,
Journal Year:
2024,
Volume and Issue:
34(12)
Published: Dec. 1, 2024
Chronic
medical
conditions
caused
by
the
inadequate
adaptation
of
body
to
modern
lifestyles,
such
as
physical
inactivity
and
unhealthy
diets,
are
on
rise.
This
study
assessed
whether
a
comprehensive
lifestyle
intervention,
including
high
volumes
supervised
exercise,
could
improve
health
outcomes.
Eight
volunteers
with
lifestyle-related
diseases
received
6-month
intervention
consisting
8000-10
000
steps/day,
6
moderate-intensity
endurance
3
resistance
training
sessions
per
week,
5-week
long
hike,
dietary
advice.
was
followed
7
months
limited
remote
supervision,
ending
13
from
baseline.
The
participants
(3
females,
5
males;
mean
age
42.9
years)
had
type
2
diabetes
(T2D),
depression/stress,
metabolic
syndrome
(MS).
After
months,
weight
decreased
significantly
23
kg
(95%
CI;
-33.7
-12.2),
minor
non-significant
decrease
in
lean
mass
1.96
-4.34
0.27).
Maximal
oxygen
consumption
(VO
Current Issues in Molecular Biology,
Journal Year:
2024,
Volume and Issue:
46(12), P. 14514 - 14541
Published: Dec. 23, 2024
Initially
intended
to
control
blood
glucose
levels
in
patients
with
type
2
diabetes,
semaglutide,
a
potent
glucagon-like
peptide
1
analogue,
has
been
established
as
an
effective
weight
loss
treatment
by
controlling
appetite.
Integrating
the
latest
clinical
trials,
semaglutide
or
without
diabetes
presents
significant
therapeutic
efficacy
ameliorating
cardiometabolic
risk
factors
and
physical
functioning,
independent
of
body
reduction.
Semaglutide
may
modulate
adipose
tissue
browning,
which
enhances
human
metabolism
exhibits
possible
benefits
skeletal
muscle
degeneration,
accelerated
obesity
ageing.
This
be
attributed
anti-inflammatory,
mitochondrial
biogenesis,
antioxidant
autophagy-regulating
effects.
However,
most
supporting
evidence
on
mechanistic
actions
is
preclinical,
demonstrated
rodents
not
actually
confirmed
humans,
therefore
warranting
caution
interpretation.
article
aims
explore
potential
innovative
molecular
mechanisms
action
restoring
balance
several
interlinking
aspects
metabolism,
pointing
distinct
functions
inflammation
oxidative
stress
insulin-sensitive
musculoskeletal
tissues.
Moreover,
applications
protection
from
infections
anti-aging
properties
are
discussed.
enhancement
core
involved
progress
although
mostly
provide
framework
for
future
research
diseases
overall.