Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Oct. 25, 2023
Regular
physical
effort
produces
metabolic
changes
manifested
as
adaptation
to
exercise
and
increasing
performance.
In
humans
these
have
been
characterized
at
metabolome
level
depending
on
the
discipline.
However,
all
sports
involve
some
of
in
protein,
carbohydrate
lipid
metabolism.
Recently,
also
performance
horses
subjected
analyses,
but
similar
studies
were
lacking
dogs.
this
study
we
performed
metabolomic
analysis
plasma
Whippet
dogs
regularly
trained
competing
coursing
events,
untrained
same
breed,
fed
with
diet.
We
compared
hematological
blood
biochemical
results
two
groups
Basic
tests
indicated
that
enzymes
related
metabolism
(lipase
gamma-glutamyltransferase)
differed
considerably
between
groups.
Metabolomic
confirmed
shift
expressed
differences
triacylglycerols
levels
training
non-training
dogs,
aimed
improving
use
fatty
acids
a
source
energy
during
exertion.
Surprisingly,
other
classes
metabolites
only
hardly
changed
when
comparing
Whippets.
Metabolites,
Journal Year:
2023,
Volume and Issue:
13(6), P. 694 - 694
Published: May 26, 2023
Exercise
has
many
benefits
for
physical
and
mental
well-being.
Metabolomics
research
allowed
scientists
to
study
the
impact
of
exercise
on
body
by
analyzing
metabolites
released
tissues
such
as
skeletal
muscle,
bone,
liver.
Endurance
training
increases
mitochondrial
content
oxidative
enzymes,
while
resistance
muscle
fiber
glycolytic
enzymes.
Acute
endurance
affects
amino
acid
metabolism,
fat
cellular
energy
cofactor
vitamin
metabolism.
Subacute
alters
lipid
nucleotide
Chronic
improves
metabolism
changes
several
metabolic
pathways,
including
anaerobic
processes
muscular
strength.
resulting
in
adaptations.
Combined
endurance–resistance
carbohydrate
increasing
capacity
fatigue
resistance.
Studying
exercise-induced
is
a
growing
field,
further
can
uncover
underlying
mechanisms
help
tailor
programs
optimal
health
performance.
Frontiers in Physiology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 15, 2024
Exercise
training
can
lead
to
changes
in
the
metabolic
composition
of
an
athlete’s
blood,
magnitude
which
depends
largely
on
intensity
and
duration
exercise.
A
variety
behavioral,
biochemical,
hormonal,
immunological
biomarkers
are
commonly
used
assess
physical
condition
during
exercise
training.
However,
traditional
invasive
muscle
biopsy
testing
methods
unable
comprehensively
detect
physiological
differences
body.
Metabolomics
technology
is
a
high-throughput,
highly
sensitive
technique
that
provides
comprehensive
assessment
small
molecule
metabolites
(molecular
weight
<1,500
Da)
By
measuring
overall
characteristics
biological
samples,
we
study
endogenous
organism
or
cell
at
certain
moment
time,
investigate
interconnection
dynamic
patterns
between
changes,
thus
further
understanding
interactions
genes
environment,
providing
possibilities
for
biomarker
discovery,
precise
nutritional
programming
athletes.
This
paper
summaries
progress
research
application
metabolomics
sports
science,
looks
forward
future
development
metabolomics,
with
view
new
approaches
perspectives
improving
human
performance,
promoting
against
chronic
diseases,
advancing
science
research.
Nutrients,
Journal Year:
2025,
Volume and Issue:
17(8), P. 1335 - 1335
Published: April 12, 2025
Endurance
athletes
frequently
experience
muscle
damage
and
inflammation
due
to
prolonged,
high-intensity
exercise,
which
can
impair
recovery
hinder
performance.
This
review
examines
the
role
of
branched-chain
amino
acid
(BCAA)
supplementation
in
repair,
modulation,
immune
regulation.
BCAAs—particularly
leucine
isoleucine—activate
key
molecular
pathways,
including
mechanistic
target
rapamycin
(mTOR)
AMP-activated
protein
kinase
(AMPK),
promote
synthesis
enhance
energy
metabolism.
They
also
attenuate
inflammatory
responses
by
modulating
nuclear
factor
kappa-light-chain-enhancer
activated
B
cells
(NF-κB),
mitogen-activated
(MAPK),
Janus
kinase/signal
transducer
activator
transcription
(JAK/STAT)
reducing
levels
tumor
necrosis
factor-alpha
(TNF-α)
interleukin-6
(IL-6).
In
addition,
BCAAs
influence
function
via
complex
1
(mTORC1)
signaling,
autophagy,
mitigate
exercise-induced
apoptosis.
These
effects
result
reduced
soreness,
lower
biomarker
(e.g.,
creatine
kinase,
lactate
dehydrogenase),
improved
recovery.
Practical
considerations
such
as
optimal
dosage,
timing,
co-supplementation
with
carbohydrates,
proteins,
or
omega-3s
are
addressed.
While
show
promise
a
nutritional
strategy
for
enhancing
controlling
endurance
athletes,
further
research
is
needed
refine
personalized
protocols
clarify
long-term
effects.
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(6), P. 765 - 765
Published: March 7, 2024
This
study
aimed
to
characterize
the
composition
of
lipids
in
red
blood
cells
(RBCs)
adolescent
swimmers
and
correlate
this
lipidome
with
aerobic
performance
athletes.
Five
experimental
assessments
were
performed
by
37
swimmers.
During
first
session,
athletes
went
laboratory
facility
for
venous
sampling.
The
critical
velocity
protocol
was
conducted
over
4
subsequent
days
measure
(CV),
comprising
maximal
efforts
distances
100,
200,
400,
800
m
a
swimming
pool.
RBCs
obtained
extracted
analysis
using
liquid
chromatography—high
resolution
mass
spectrometry
untargeted
approach.
A
total
2146
ions
detected
RBCs,
which
119
identified.
enrichment
pathway
indicated
intermediary
glycerophospholipid,
glycerolipid,
sphingolipid,
linoleic
acid,
alpha-linolenic
metabolisms,
as
well
pentose
glucuronate
interconversions.
significant
impact
observed
glycerophospholipid
metabolism,
including
phosphatidylethanolamine
(PE),
phosphatidylcholine
(PC),
1-acyl-sn-glycero-3-phosphocholine,
sn-glycerol
3-phosphate,
phosphatidic
acid.
Inverse
associations
PE
18:2/18:3
(r
=
−0.39;
p
0.015),
PC
18:3/20:0
−0.33;
0.041),
acid
18:0/0:0
−0.47;
0.003)
performance.
Swimmers
who
exhibited
higher
levels
also
had
lowest
abundance
PE,
PC,
Frontiers in Sports and Active Living,
Journal Year:
2024,
Volume and Issue:
5
Published: Jan. 8, 2024
In
modern
athlete
assessment,
the
integration
of
conventional
biochemical
and
ergophysiologic
monitoring
with
innovative
methods
like
telomere
analysis,
genotyping/phenotypic
profiling,
metabolomics
has
potential
to
offer
a
comprehensive
understanding
athletes'
performance
longevity.
Telomeres
provide
insights
into
cellular
functioning,
aging,
adaptation
elucidate
effects
training
on
health.
Genotype/phenotype
analysis
explores
genetic
variations
associated
athletic
performance,
injury
predisposition,
recovery
needs,
enabling
personalization
plans
interventions.
Metabolomics
especially
focusing
low-molecular
weight
metabolites,
reveal
metabolic
pathways
responses
exercise.
Biochemical
tests
assess
key
biomarkers
related
energy
metabolism,
inflammation,
recovery.
Essential
elements
depict
micronutrient
status
individual,
which
is
critical
for
optimal
performance.
Echocardiography
provides
detailed
cardiac
structure
function,
while
burnout
testing
evaluates
psychological
stress,
fatigue,
readiness
By
integrating
this
scientific
battery,
multidimensional
health
can
be
achieved,
leading
personalized
interventions
in
training,
nutrition,
supplementation,
prevention,
mental
wellness
support.
This
scientifically
rigorous
approach
hereby
presented
holds
significant
improving
longevity
through
evidence-based,
individualized
interventions,
contributing
advances
field
sports
optimization.
Frontiers in Physiology,
Journal Year:
2023,
Volume and Issue:
14
Published: June 14, 2023
Objective:
The
purpose
of
this
study
was
to
employ
metabolomics
for
the
analysis
urine
metabolites
in
swimmers,
with
aim
establishing
models
assessing
their
athletic
status
and
competitive
potential.
Furthermore,
sought
compare
identification
efficacy
multi-component
(urine
blood)
model
versus
single-component
or
models,
order
determine
optimal
approach
evaluating
training
status.
Methods:
A
total
187
Chinese
professional
comprising
103
elite
84
sub-elite
level
athletes,
were
selected
as
subjects
study.
Urine
samples
obtained
from
each
participant
subjected
nuclear
magnetic
resonance
(NMR)
analysis.
Significant
screened
through
multivariable
logistic
regression
analysis,
an
established.
Based
on
previously
established
blood
metabolites,
compared
discriminative
predictive
performance
three
models:
either
+
model.
Results:
Among
39
10
found
be
significantly
associated
swimmers
(p
<
0.05).
Of
these,
levels
2-KC,
cis-aconitate,
formate,
LAC
higher
while
3-HIV,
creatinine,
3-HIB,
hippurate,
pseudouridine,
trigonelline
lower
swimmers.
Notably,
2-KC
3-HIB
exhibited
most
substantial
differences.
An
developed
estimate
physical
adjusting
different
covariates
including
3-HIB.
showed
area
under
curve
(AUC)
0.852
(95%
CI:
0.793-0.912)
discrimination.
tested,
combination
highest
than
AUC
0.925
0.888-0.963).
Conclusion:
two
can
serve
significant
metabolic
markers
establish
a
discrimination
identifying
potential
Combining
four
reported
exhibiting
differences
resulted
improved
using
alone.
These
findings
indicate
that
combining
has
greater
predicting
Biology,
Journal Year:
2022,
Volume and Issue:
11(12), P. 1734 - 1734
Published: Nov. 29, 2022
The
main
aim
of
this
study
was
to
compare
the
performance
over
different
distances,
critical
velocity
(CV),
and
plasma
acylcarnitines/amino
acids
male
female
adolescent
swimmers.
Moreover,
we
applied
complex
network
approach
identify
which
molecules
are
associated
with
athletes’
performances.
On
first
day
under
a
controlled
environment,
blood
samples
were
collected
after
12
h
overnight
fasting.
Performance
trials
(100,
200,
400,
800-m)
randomly
performed
in
subsequent
four
days
swimming
pool,
CV
determined
by
linear
distance
versus
time
mathematical
function.
Metabolomic
analyses
carried
out
on
triple
quadrupole
mass
spectrometer
performing
electrospray
ionization
positive
mode.
No
difference
observed
between
Except
for
200-m
(p
=
0.08),
tyrosine
positively
significantly
times
during
(100-m,
p
0.04;
400-m,
800-m,
0.02),
inversely
0.02).
showed
that
glycine
(0.406),
glutamine
(0.400),
arginine
(0.335),
free
carnitine
(0.355),
tryptophan
(0.289),
histidine
(0.271)
most
influential
nodes
reach
tyrosine.
These
results
revealed
thread
must
be
explored
further
randomized/controlled
designs,
improving
knowledge
surrounding
nutrition
Sports Medicine - Open,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Sept. 18, 2024
Abstract
Background
This
study
used
metabolic
phenotyping
to
explore
the
responses
of
highly-trained
cross-country
skiers
a
standardized
exercise
test,
which
was
part
athletes’
routine
testing,
and
determine
whether
could
discriminate
specific
physiological,
performance,
illness
characteristics.
Methods
Twenty-three
(10
women
13
men)
participated
in
this
study.
Capillary
whole-blood
samples
were
collected
before
(at
rest)
2.5
min
after
(post-exercise)
roller-ski
treadmill
test
consisting
5–6
×
4-min
submaximal
stages
followed
by
self-paced
time
trial
(~
3
min)
analyzed
using
mass
spectrometry.
Performance
level
defined
International
Ski
Federation
distance
sprint
rankings.
Illness
data
prospectively
for
33
weeks
Oslo
Sports
Trauma
Research
Center
Questionnaire
on
Health
Problems.
Orthogonal
partial
least
squares-discriminant
analyses
(OPLS-DA)
enrichment
identify
phenotypes
athlete
groups
with
Results
Blood
metabolite
significantly
different
compared
rest
metabolites
involved
energy,
purine,
nucleotide
metabolism
(all
OPLS-DA
p
<
0.001).
Acute
changes
phenotype
from
post-exercise
athletes
with:
(1)
higher
vs.
lower
peak
blood
lactate
concentrations;
(2)
superior
inferior
performance
levels
skiing,
(3)
≥
2
≤
1
self-reported
episodes
33-week
period
0.05).
The
most
important
contributing
distinction
according
concentrations,
frequency
were:
inosine,
hypoxanthine,
deoxycholic
acid,
sorbitol,
adenosine
monophosphate,
2-hydroxyleuroylcarnitine,
glucose-6-phosphate,
squalene,
respectively.
Conclusion
Metabolic
discriminated
between
skiing
more
less
illnesses.
While
biological
relevance
identified
biomarkers
requires
validation
future
research,
shows
promise
as
tool
monitoring
endurance
athletes.