Mass Spectrometry Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 24, 2024
Abstract
The
use
of
matrix‐assisted
laser
desorption/ionization
(MALDI)
mass
spectrometry
for
the
analysis
carbohydrates
and
glycoconjugates
is
a
well‐established
technique
this
review
12
th
update
original
article
published
in
1999
brings
coverage
literature
to
end
2022.
As
with
previous
review,
also
includes
few
papers
that
describe
methods
appropriate
by
MALDI,
such
as
sample
preparation,
even
though
ionization
method
not
MALDI.
follows
same
format
reviews.
It
divided
into
three
sections:
(1)
general
aspects
theory
MALDI
process,
matrices,
derivatization,
imaging,
fragmentation,
quantification
computer
software
structural
identification.
(2)
Applications
various
types
oligo‐
polysaccharides,
glycoproteins,
glycolipids,
glycosides
biopharmaceuticals,
(3)
other
areas
medicine,
industrial
processes,
natural
products
glycan
synthesis
where
extensively
used.
Much
material
relating
applications
presented
tabular
form.
still
an
ideal
carbohydrate
analysis,
particularly
its
ability
produce
single
ions
from
each
analyte
advancements
range
show
little
sign
diminishing.
Genes,
Journal Year:
2023,
Volume and Issue:
14(6), P. 1281 - 1281
Published: June 16, 2023
The
present
day's
ongoing
global
warming
and
climate
change
adversely
affect
plants
through
imposing
environmental
(abiotic)
stresses
disease
pressure.
major
abiotic
factors
such
as
drought,
heat,
cold,
salinity,
etc.,
hamper
a
plant's
innate
growth
development,
resulting
in
reduced
yield
quality,
with
the
possibility
of
undesired
traits.
In
21st
century,
advent
high-throughput
sequencing
tools,
state-of-the-art
biotechnological
techniques
bioinformatic
analyzing
pipelines
led
to
easy
characterization
plant
traits
for
stress
response
tolerance
mechanisms
by
applying
'omics'
toolbox.
Panomics
pipeline
including
genomics,
transcriptomics,
proteomics,
metabolomics,
epigenomics,
proteogenomics,
interactomics,
ionomics,
phenomics,
have
become
very
handy
nowadays.
This
is
important
produce
climate-smart
future
crops
proper
understanding
molecular
responses
genes,
transcripts,
proteins,
epigenome,
cellular
metabolic
circuits
resultant
phenotype.
Instead
mono-omics,
two
or
more
(hence
'multi-omics')
integrated-omics
approaches
can
decipher
well.
Multi-omics-characterized
be
used
potent
genetic
resources
incorporate
into
breeding
program.
For
practical
utility
crop
improvement,
multi-omics
particular
combined
genome-assisted
(GAB)
being
pyramided
improved
yield,
food
quality
associated
agronomic
open
new
era
omics-assisted
breeding.
Thus,
together
are
able
processes,
biomarkers,
targets
engineering,
regulatory
networks
precision
agriculture
solutions
crop's
variable
ensure
security
under
changing
circumstances.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(16), P. 2137 - 2151
Published: Jan. 1, 2024
In
this
feature
article,
we
discuss
quantitative
mass
spectrometry
imaging
of
therapeutics
and
biomolecules
conducted
by
recent
studies
for
matrix-assisted
laser
desorption/ionization
(MALDI)
desorption
electrospray
ionization
(DESI)
techniques.
Biomolecules,
Journal Year:
2023,
Volume and Issue:
13(3), P. 546 - 546
Published: March 16, 2023
Matrix-assisted
laser
desorption
and
ionization
(MALDI)
is
a
widely
used
soft-ionization
technique
of
modern
mass
spectrometry
(MS).
MALDI
enables
the
analysis
nearly
all
chemical
compounds—including
polar
apolar
(phospho)lipids—with
minimum
extent
fragmentation.
has
some
particular
advantages
(such
as
possibility
to
acquire
spatially-resolved
spectra)
competitive
with
simultaneously
developed
ESI
(electrospray
ionization)
MS.
Although
there
are
still
methodological
aspects
that
need
be
elucidated
in
more
detail,
it
obvious
careful
selection
an
appropriate
matrix
plays
most
important
role
(lipid)
analysis.
Some
lipid
classes
can
detected
exclusively
if
optimum
used,
determines
sensitivity
by
which
within
mixture.
Since
is,
thus,
crucial
for
results,
we
provide
here
update
on
progress
field
since
our
original
review
this
journal
2018.
Thus,
only
development
during
last
five
years
considered,
lipids
sorted
according
increasing
complexity,
starting
free
fatty
acids
ending
cardiolipins
phosphoinositides.
Cell Death and Disease,
Journal Year:
2024,
Volume and Issue:
15(5)
Published: May 21, 2024
Abstract
Seipin
is
one
key
mediator
of
lipid
metabolism
that
highly
expressed
in
adipose
tissues
as
well
the
brain.
Lack
gene,
Bscl2
,
leads
to
not
only
severe
metabolic
disorders
but
also
cognitive
impairments
and
motor
disabilities.
Myelin,
composed
mainly
lipids,
facilitates
nerve
transmission
important
for
coordination
learning.
Whether
deficiency-leaded
defects
learning
underlined
by
dysregulation
its
consequent
myelin
abnormalities
remains
be
elucidated.
In
present
study,
we
verified
expression
oligodendrocytes
(OLs)
their
precursors,
oligodendrocyte
precursor
cells
(OPCs),
demonstrated
deficiency
compromised
OPC
differentiation,
which
led
decreased
OL
numbers,
protein,
myelinated
fiber
proportion
thickness
myelin.
Deficiency
resulted
impaired
spatial
cognition
mice.
Mechanistically,
suppressed
sphingolipid
metabolism-related
genes
OPCs
caused
morphological
droplets
(LDs),
markedly
impeded
differentiation.
Importantly,
rosiglitazone,
agonist
PPAR-gamma,
substantially
restored
phenotypes
resulting
from
deficiency,
such
aberrant
LDs,
reduced
sphingolipids,
obstructed
neurobehavioral
defects.
Collectively,
study
elucidated
how
deficiency-induced
deficits
via
impairing
myelination,
may
pave
way
developing
novel
intervention
strategy
treating
metabolism-involved
neurological
disorders.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(23), P. 10015 - 10027
Published: May 27, 2024
Nanosilvers
with
multifarious
morphologies
have
been
extensively
used
in
many
fields,
but
their
morphology-dependent
toxicity
toward
nontarget
aquatic
organisms
remains
largely
unclear.
Herein,
we
matrix-assisted
laser
desorption/ionization
mass
spectrometry
imaging
(MALDI-MSI)
to
investigate
the
toxicological
effects
of
silver
nanomaterials
various
on
spatially
resolved
lipid
profiles
within
multiple
organs
adult
zebrafish,
especially
for
gill,
liver,
and
intestine.
Integrated
histopathology,
enzyme
activity,
accumulated
Ag
contents
amounts,
as
well
MSI
results,
found
that
nanosilvers
exhibit
nanotoxicity
by
disrupting
levels
producing
oxidative
stress.
Silver
nanospheres
(AgNSs)
had
highest
whereas
nanoflakes
(AgNFs)
exhibited
greater
than
nanowires
(AgNWs).
Levels
differential
phospholipids,
such
PC,
PE,
PI,
PS,
were
associated
nanosilver
morphology.
Notably,
AgNSs
induced
organs,
brain,
while
AgNWs
AgNFs
caused
intestine
AgNSs.
Lipid
functional
disturbance
stress
further
inflammation
membrane
damage
after
exposure
nanosilvers,
respect
sphere
Taken
together,
these
findings
will
contribute
clarifying
mechanisms
different
zebrafish.
Journal of Chromatography B,
Journal Year:
2022,
Volume and Issue:
1214, P. 123553 - 123553
Published: Nov. 28, 2022
Planar
chromatography,
in
the
form
of
thin-layer
or
high-performance
chromatography
(TLC,
HPTLC),
continues
to
provide
a
robust
and
widely
used
separation
technique.
It
is
unrivaled
as
simple
rapid
qualitative
method
for
mixture
analysis,
finding
bioactive
components
mixtures.
The
format
TLC/HPTLC
also
provides
unique
preserving
separation,
enabling
further
investigation
interest
(including
quantification/structure
determination)
separated
both
time
space
from
original
analysis.
current
practice
planar
areas
development
technology
are
reviewed
promising
future
directions
use
outlined.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
95(20), P. 7863 - 7871
Published: May 9, 2023
Understanding
the
metabolic
disorders
induced
by
nano-
and
microplastics
in
aquatic
organisms
at
molecular
level
could
help
us
understand
potential
toxicity
of
more
thoroughly
provide
a
fundamental
scientific
basis
for
regulating
usage
management
plastic
products.
In
this
research,
effect
polypropylene
nanoplastics
(PP-NPs)
(PP-MPs)
on
metabolites
tilapia
liver
was
comprehensively
investigated
internal
extractive
electrospray
ionization
mass
spectrometry
(iEESI-MS).
A
partial
least-squares
discriminant
analysis
(PLS-DA)
one-component
variance
(ANOVA)
were
used
selecting
46
differential
metabolites,
including
phospholipids,
amino
acids,
peptides,
carbohydrates,
alkaloids,
purines,
pyrimidines,
nucleosides.
Pathway
enrichment
showed
significant
effects
glycerophospholipid
metabolism,
arginine
proline
aminoacyl-tRNA
biosynthesis
after
exposed
to
PP-N/MPs.
Dysregulation
these
is
mainly
reflected
possible
induction
hepatitis,
oxidative
stress,
other
symptoms.
The
application
iEESI-MS
technology
without
sample
pretreatment
study
under
interference
provides
promising
analytical
method
environmental
toxicology
research.