Open Biology,
Journal Year:
2025,
Volume and Issue:
15(2)
Published: Feb. 1, 2025
Glycolysis,
present
in
most
organisms,
is
evolutionarily
one
of
the
oldest
metabolic
pathways.
It
has
great
relevance
at
a
physiological
level
because
it
responsible
for
generating
ATP
cell
through
conversion
glucose
into
pyruvate
and
reducing
nicotinamide
adenine
dinucleotide
(NADH)
(that
may
be
fed
electron
chain
mitochondria
to
produce
additional
by
oxidative
phosphorylation),
as
well
producing
intermediates
that
can
serve
substrates
other
processes.
Glycolysis
takes
place
10
consecutive
chemical
reactions,
each
which
catalysed
specific
enzyme.
Although
energy
transduction
metabolism
main
function
this
pathway,
involvement
virulence,
growth,
pathogen–host
interactions,
immunomodulation
adaptation
environmental
conditions
are
functions
attributed
pathway.
In
humans,
where
glycolysis
occurs
mainly
cytosol,
mislocalization
some
glycolytic
enzymes
various
subcellular
locations,
alterations
their
expression
regulation,
been
associated
with
development
progression
diseases.
review,
we
describe
role
pathogenesis
diseases
clinical
interest.
addition,
potential
these
targets
drug
use
diagnostic
prognostic
markers
pathologies
also
discussed.
Cell Reports,
Journal Year:
2021,
Volume and Issue:
36(13), P. 109753 - 109753
Published: Sept. 1, 2021
Alzheimer's
disease
(AD)
is
a
devastating
neurodegenerative
disorder
with
no
effective
treatment.
Diet,
as
modifiable
risk
factor
for
AD,
could
potentially
be
targeted
to
slow
onset
and
progression.
However,
complexity
of
the
human
diet
indirect
effects
microbiome
make
it
challenging
identify
protective
nutrients.
Multiple
factors
contribute
AD
pathogenesis,
including
amyloid
beta
(Aβ)
deposition,
energy
crisis,
oxidative
stress.
Here,
we
use
Caenorhabditis
elegans
define
impact
on
Aβ
proteotoxicity.
We
discover
that
dietary
vitamin
B
Molecular Metabolism,
Journal Year:
2022,
Volume and Issue:
66, P. 101635 - 101635
Published: Nov. 12, 2022
The
dynamics
of
the
cellular
glycolysis
pathway
underpin
function
and
dysfunction,
therefore
ultimately
health,
disease,
diagnostic
therapeutic
strategies.
Evolving
our
understanding
this
fundamental
process
its
remains
critical.
Cells,
Journal Year:
2023,
Volume and Issue:
12(3), P. 410 - 410
Published: Jan. 25, 2023
Apolipoprotein
E4
(ApoE4)
is
the
most
recognized
genetic
risk
factor
for
late-onset
Alzheimer's
disease
(LOAD),
whereas
ApoE2
reduces
LOAD.
The
underlying
mechanisms
are
unclear
but
may
include
effects
on
brain
energy
metabolism.
Here,
we
used
neuro-2a
(N2a)
cells
that
stably
express
human
ApoE
isoforms
(N2a-hApoE),
differentiated
N2a-hApoE
neuronal
cells,
and
humanized
knock-in
mouse
models
to
investigate
relationships
among
isoforms,
glycolytic
metabolism,
health
aging.
ApoE2-expressing
retained
robust
hexokinase
(HK)
expression
activity,
these
endpoints
progressively
declined
with
aging
in
ApoE4-expressing
cells.
These
divergent
ApoE4
glycolysis
directly
correlated
markers
of
cellular
wellness.
Moreover,
upregulated
phosphofructokinase
pyruvate
kinase
apparent
intent
compensating
HK-dependent
reduction.
introduction
increased
HK
levels
flux
PI3K/Akt
signaling
was
distinctively
regulated
by
only
partially
responsible
ApoE-mediated
HK.
Collectively,
our
findings
indicate
differentially
modulate
through
regulation,
upregulating
downregulating,
which
markedly
impacts
during
lend
compelling
support
emerging
inverse-Warburg
theory
AD
highlight
a
therapeutic
opportunity
bolstering
resilience
prevent
treat
AD.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(12), P. 10366 - 10366
Published: June 20, 2023
Neurodegenerative
diseases
are
a
complex
problem
affecting
millions
of
people
around
the
world.
The
pathogenesis
is
not
fully
understood,
but
it
known
that
both
insufficiency
glymphatic
system
and
mitochondrial
disorders
affect
development
pathology.
It
appears
these
just
two
independent
factors
coexist
in
processes
neurodegeneration,
they
often
interact
drive
each
other.
Bioenergetics
disturbances
potentially
associated
with
accumulation
protein
aggregates
impaired
clearance.
Furthermore,
sleep
characteristic
neurodegeneration
may
impair
work
activity
mitochondria.
Melatonin
be
one
elements
linking
function
systems.
Moreover,
noteworthy
this
context
process
neuroinflammation
inextricably
linked
to
mitochondria
its
impact
only
on
neurons,
also
glia
cells
involved
This
review
presents
possible
direct
indirect
connections
between
neurodegeneration.
Clarifying
connection
areas
relation
could
lead
new
multidirectional
therapies,
which,
due
complexity
pathogenesis,
seems
worth
considering.
Journal of Cerebral Blood Flow & Metabolism,
Journal Year:
2024,
Volume and Issue:
44(8), P. 1417 - 1432
Published: March 5, 2024
The
brain
is
a
highly
demanding
organ,
utilizing
mainly
glucose
but
also
ketone
bodies
as
sources
of
energy.
Glucose
transporter-1
(GLUT1)
and
monocarboxylates
(MCT1)
respectively
transport
across
the
blood-brain
barrier.
While
reduced
uptake
by
one
earliest
signs
Alzheimer’s
disease
(AD),
no
change
in
has
been
evidenced
yet.
To
probe
for
changes
GLUT1
MCT1,
we
performed
Western
immunoblotting
microvessel
extracts
from
parietal
cortex
60
participants
Religious
Orders
Study.
Participants
clinically
diagnosed
with
AD
had
lower
cerebrovascular
levels
GLUT1,
whereas
MCT1
remained
unchanged.
reduction
was
associated
cognitive
scores.
No
such
association
found
MCT1.
inversely
correlated
neuritic
plaques
β-secretase-derived
fragment
levels.
other
significant
associations
were
between
both
transporters,
markers
Aβ
tau
pathologies,
sex,
age
at
death
or
apolipoprotein-ε4
genotype.
These
results
suggest
that,
while
deficit
may
underlie
to
AD,
impairment
occurs
This
study
thus
supports
exploration
an
alternative
energy
source
aging
brain.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 29, 2024
Abstract
Background
Parkinson’s
disease
(PD),
a
chronic
and
severe
neurodegenerative
disease,
is
pathologically
characterized
by
the
selective
loss
of
nigrostriatal
dopaminergic
neurons.
Dopamine
(DA),
neurotransmitter
produced
neurons,
its
metabolites
can
covalently
modify
proteins,
dysregulation
this
process
has
been
implicated
in
neuronal
PD.
However,
much
remains
unknown
about
protein
targets.
Methods
In
present
work,
we
designed
synthesized
dopamine
probe
(DA-P)
to
screen
identify
potential
targets
DA
using
activity-based
profiling
(ABPP)
technology
combination
with
liquid
chromatography-tandem
mass
spectrometry
(LC–MS/MS).
situ
pull-down
assays,
cellular
thermal
shift
assays
(CETSAs)
immunofluorescence
were
performed
confirm
modifications
on
these
hits.
To
investigate
effects
modifications,
measured
enzymatic
activities
target
evaluated
glycolytic
stress
mitochondrial
respiration
Seahorse
tests,
systematically
analyzed
changes
unbiased
LC–MS/MS-based
non-targeted
metabolomics
profiling.
Results
We
successfully
identified
three
aldolase
A,
α-enolase
pyruvate
kinase
M2
(PKM2),
as
binding
partners
DA.
bound
Glu166
α-enolase,
Cys49
Cys424
PKM2,
Lys230
inhibiting
PKM2
thereby
impairing
ATP
synthesis,
resulting
dysfunction.
Conclusions
Recent
research
revealed
that
enhancing
glycolysis
offer
protection
against
The
study
pathway
vulnerable
disruption
DA,
suggesting
promising
avenue
for
therapeutic
interventions.
Safeguarding
DA-related
could
be
intervention
Metabolites,
Journal Year:
2021,
Volume and Issue:
11(8), P. 548 - 548
Published: Aug. 20, 2021
More
and
more
evidence
shows
how
brain
energy
metabolism
is
the
linkage
between
physiological
morphological
synaptic
plasticity
memory
consolidation.
Different
types
of
are
associated
with
differential
inputs,
each
specific
inputs
that
upstream
diverse
molecular
cascades
depending
on
receptor
activity.
No
matter
heterogeneous
response
is,
availability
represents
lowest
common
denominator
since
all
these
mechanisms
consuming
networks
adapt
their
performance
accordingly.
Astrocytes
exert
a
primary
role
in
this
sense
by
acting
as
an
buffer;
glycogen
granules,
mechanism
to
store
glucose,
redistributed
at
glance
conveyed
neurons
via
Astrocyte–Neuron
Lactate
Shuttle
(ANLS).
Here,
we
review
different
relate
delivery
brain.
Clinical Proteomics,
Journal Year:
2022,
Volume and Issue:
19(1)
Published: May 14, 2022
Abstract
Background
Cerebrospinal
fluid
(CSF)
is
an
important
biofluid
for
biomarkers
of
neurodegenerative
diseases
such
as
Alzheimer’s
disease
(AD).
By
employing
tandem
mass
tag
(TMT)
proteomics,
thousands
proteins
can
be
quantified
simultaneously
in
large
cohorts,
making
it
a
powerful
tool
biomarker
discovery.
However,
TMT
proteomics
CSF
associated
with
analytical
challenges
regarding
sample
preparation
and
data
processing.
In
this
study
we
address
those
ranging
from
normalization
over
to
analysis.
Method
Using
liquid
chromatography
coupled
mass-spectrometry
(LC–MS),
analyzed
multiplex
samples
consisting
either
identical
or
individual
samples,
evaluated
quantification
accuracy
tested
the
performance
different
approaches.
We
examined
MS2
MS3
acquisition
strategies
performed
comparative
evaluation
filter-assisted
(FASP)
in-solution
protocol.
Finally,
four
approaches
(median,
quantile,
Total
Peptide
Amount,
TAMPOR)
were
applied
previously
published
European
Medical
Information
Framework
Disease
Multimodal
Biomarker
Discovery
(EMIF-AD
MBD)
dataset.
Results
The
correlation
measured
reporter
ratios
spiked-in
standard
peptide
amounts
was
significantly
lower
multiplexes
composed
compared
aliquots
single
pool,
demonstrating
that
heterogeneous
composition
influences
quantitation.
Comparison
methods
showed
could
improved
by
applying
median-
quantile-based
normalization.
slope
acquiring
mode,
albeit
at
expense
29%
decrease
number
identified
proteins.
FASP
73%
overlap
using
optimized
normalization,
present
list
64
candidates
(clinical
AD
vs.
controls,
p
<
0.01)
EMIF-AD
cohort.
Conclusion
have
several
aspects
CSF.
results
our
provide
practical
guidelines
improve
aid
design
extracted
cohort
valuable
basis
future
studies
help
elucidate
pathogenic
mechanisms
AD.
Ageing Research Reviews,
Journal Year:
2023,
Volume and Issue:
87, P. 101916 - 101916
Published: March 28, 2023
Alzheimer's
disease
(AD)-related
neurofibrillary
tangles
(NFT),
argyrophilic
grain
(AGD),
aging-related
tau
astrogliopathy
(ARTAG),
limbic
predominant
TDP-43
proteinopathy
(LATE),
and
amygdala-predominant
Lewy
body
(LBD)
are
proteinopathies
that,
together
with
hippocampal
sclerosis,
progressively
appear
in
the
elderly
affecting
from
50%
to
99%
of
individuals
aged
80
years,
depending
on
disease.
These
disorders
usually
converge
same
subject
associate
additive
cognitive
impairment.
Abnormal
Tau,
TDP-43,
α-synuclein
pathologies
progress
following
a
pattern
consistent
an
active
cell-to-cell
transmission
abnormal
protein
processing
host
cell.
However,
cell
vulnerability
pathways
specific
for
each
disorder,
albeit
proteins
may
co-localize
particular
neurons.
All
these
alterations
unique
or
highly
prevalent
humans.
They
all
affect,
at
first,
archicortex
paleocortex
extend
later
stages
neocortex
other
regions
telencephalon.
observations
show
that
phylogenetically
oldest
areas
human
cerebral
cortex
amygdala
not
designed
cope
lifespan
actual
New
strategies
aimed
reducing
functional
overload
telencephalon,
including
optimization
dream
repair
mechanisms
implementation
artificial
circuit
devices
surrogate
brain
functions,
promising.