Clinical Chemistry and Laboratory Medicine (CCLM),
Journal Year:
2023,
Volume and Issue:
0(0)
Published: Nov. 4, 2023
This
study
aimed
to
characterize
serum
lipid
metabolism
and
identify
potential
biomarkers
for
compensated
cirrhosis
(CC)
predicting
decompensated
(DC)
discrimination
using
targeted
quantitative
lipidomics
machine
learning
approaches.
Journal of Neurochemistry,
Journal Year:
2025,
Volume and Issue:
169(2)
Published: Feb. 1, 2025
ABSTRACT
The
modulation
of
the
brain's
electrical
activity
for
therapeutic
purposes
has
recently
gained
attention,
supported
by
promising
results
obtained
through
non‐invasive
application
transcranial
direct
current
stimulation
(tDCS)
in
treatment
neurodegenerative
and
neurological
diseases.
To
optimize
efficacy,
it
is
crucial
to
investigate
cellular
molecular
effects
tDCS.
This
will
help
identify
important
biomarkers,
predict
patient's
response
develop
personalized
treatments.
In
this
study,
we
applied
(DCS)
a
neural
cell
line,
using
mild
currents
over
short
periods
time
(0.5
mA,
20
min),
with
24‐h
intervals.
We
observed
that
DCS
induced
changes
lipidome,
transient
after
single
(lasting
24
h)
more
significant,
long‐lasting
(up
72
repeated
cycles.
cells,
multiple
modulated
structural
membrane
lipids
(PE,
PS,
PI),
downregulated
glycerol
ether‐linked
fatty
acids
pro‐inflammatory
(ceramides
lyso‐glycerophospholipids)
(
p
≤
0.005).
Multiple
sessions
altered
transcriptional
decreasing
expression
inflammatory
cytokines
(TNF‐α,
0.05;
IL‐1β,
0.01),
while
increasing
neuroprotective
factors
such
as
heme
oxygenase‐1
0.0001)
brain‐derived
neurotrophic
factor
0.05),
well
proteins
involved
vesicular
transport
(SNARE,
sorting
nexins
seipin
α‐synuclein;
0.05).
addition,
enhanced
release
extracellular
vesicles,
stimulations
significantly
exosomes
threefold.
conclusion,
induces
metabolic
limited
phenotypic
effects,
applications
induce
broader
deeper
lipid
species.
may
lead
neuroplasticity‐focussed
profile,
potentially
supporting
tDCS
at
level
patients..
image
Journal of Lipid Research,
Journal Year:
2024,
Volume and Issue:
65(10), P. 100631 - 100631
Published: Aug. 24, 2024
Sphingosine
kinases
(SphKs),
enzymes
that
produce
the
bioactive
lipids
dihydrosphingosine
1-phosphate
(dhS1P)
and
sphingosine
(S1P),
are
associated
with
various
diseases,
including
cancer
infections.
For
this
reason,
a
number
of
SphK
inhibitors
have
been
developed.
Although
off-target
effects
described
for
selected
agents,
mostly
used
in
research
without
monitoring
on
sphingolipidome.
We
now
investigated
seven
commonly
(5c,
ABC294640
(opaganib),
N,N-dimethylsphingosine,
K145,
PF-543,
SLM6031434,
SKI-II)
profiles
sphingolipids
Chang,
HepG2,
human
umbilical
vein
endothelial
cells.
While
we
observed
expected
(dh)S1P
reduction
SKI-II,
5c
showed
hardly
any
effect.
Remarkably,
K145
ABC294640,
both
reported
to
be
specific
SphK2,
dose-dependent
strong
increases
dhS1P
S1P
across
cell
lines.
Compensatory
SphK1
could
excluded,
as
observation
was
also
made
SphK1-deficient
HK-2
Furthermore,
dihydroceramide
desaturase
activity
all
tested,
has
previously
noted
SKI-II.
In
additional
mechanistic
studies,
massive
increase
after
short-term
treatment
more
detail.
found
compounds
affect
sphingolipid
de
novo
synthesis,
3-ketodihydrosphingosine
reductase
their
targets.
Our
study
indicates
none
tested
free
unexpected
on-target
and/or
effects.
Therefore,
it
is
important
monitor
cellular
when
studies.
Journal of Cell Science,
Journal Year:
2024,
Volume and Issue:
137(6)
Published: March 15, 2024
ABSTRACT
Sphingolipid
dysregulation
is
involved
in
a
range
of
rare
and
fatal
diseases
as
well
common
pathologies
including
cancer,
infectious
or
neurodegeneration.
Gaining
insights
into
how
sphingolipids
are
these
would
contribute
much
to
our
understanding
human
physiology,
the
pathology
mechanisms.
However,
scientific
progress
hampered
by
lack
suitable
tools
that
can
be
used
intact
systems.
To
overcome
this,
efforts
have
turned
engineering
modified
lipids
with
small
clickable
tags
harnessing
power
click
chemistry
localize
follow
minimally
lipid
probes
cells.
We
hope
inspire
readers
this
Review
consider
applying
existing
for
their
own
aspects
sphingolipid
research.
end,
we
focus
here
on
different
biological
applications
lipids,
mainly
metabolic
conversions,
visualization
confocal
superresolution
microscopy
identification
protein
interaction
partners.
Finally,
describe
recent
approaches
employing
organelle-targeted
accurately
intracellular
transport
organellar
precision.
Frontiers in Nutrition,
Journal Year:
2024,
Volume and Issue:
11
Published: Sept. 13, 2024
Neurofilament-light
chain
(NfL)
is
associated
with
neurodegenerative
diseases,
which
are
increasingly
prevalent
aging.
Vitamin
K
has
been
shown
a
neuroprotective
effect.
Therefore,
we
aimed
to
explore
the
potential
relationship
between
dietary
vitamin
intake
and
serum
NfL.
FEBS Open Bio,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1625 - 1635
Published: June 19, 2023
Glycosphingolipids
(GSLs)
are
comprised
of
glycans
(oligosaccharides)
linked
to
a
lipid
containing
sphingosine
moiety.
They
major
membrane
components
in
cells
most
animals,
and
importantly,
they
also
occur
parasitic
protozoans
worms
that
infect
people.
While
the
endogenous
functions
GSLs
parasites
elusive,
many
these
recognized
by
antibodies
infected
human
animal
hosts,
thus,
their
structures,
biosynthesis,
great
interest.
Such
knowledge
could
lead
new
drugs
diagnostics
for
treating
infections,
as
well
novel
vaccine
strategies.
The
diversity
recently
identified
such
infectious
organisms
aspects
immune
recognition
topics
this
review.
It
is
not
intended
be
exhaustive
but
highlight
GSL
parasites.