Quantitative Changes in the Proteome of Chronically Inflamed Lacrimal Glands From a Sjögren's Disease Animal Model
Investigative Ophthalmology & Visual Science,
Год журнала:
2025,
Номер
66(4), С. 44 - 44
Опубликована: Апрель 17, 2025
The
lacrimal
gland
(LG)
is
the
major
source
of
aqueous
tears,
and
insufficient
LG
secretion
leads
to
aqueous-deficient
dry
eye
(ADDE)
disease.
To
provide
a
foundational
description
LG's
protein
expression
patterns,
we
prepared
extracts
LGs
from
wild-type
an
ADDE
mouse
model
analyzed
proteome
by
quantitative
mass
spectrometry.
were
isolated
model,
male
non-obese
diabetic
(NOD)
mice
control
BALB/c
(n
=
6
each).
Protein
samples
in
urea-based
lysis
buffer
concentrations
determined
BCA
method.
equivalent
200
µg
tryptically
digested
nanoflow
liquid
chromatography
tandem
spectrometry
(LC-MS/MS).
Proteins
identified
quantified
using
PEAKS
X
bioinformatics
suite.
Downstream
differential
analysis
was
performed
MS-DAP
R
package.
Selected
significantly
differentially
expressed
detected
proteins
subjected
spatial
immunohistochemistry.
Cumulatively,
LC-MS/MS-based
proteomics
analyses
murine
total
31,932
peptide
sequences
resulting
2617
identifications
at
1%
false
discovery
rate
level.
Principal
component
(PCA)
hierarchical
cluster
revealed
separation
NOD
samples.
Overall,
diversity
consistently
higher
After
applying
global
filter
criteria
peptide-to-protein
rollup,
1750
remaining
MSqRob
algorithm,
which
580
with
statistically
significant
differences.
Data
are
available
via
ProteomeXchange
identifier
PXD060937.
At
cellular
level,
up-
downregulation
select
confirmed
Our
data
suggest
that
chronic
inflammation
alterations
proteome.
Ongoing
studies
aim
identify
potentially
unique,
inflammation-induced
could
be
amenable
pharmacological
modulation.
Язык: Английский
Comprehensive Transcriptome Analysis Expands lncRNA Functional Profiles in Breast Cancer
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(15), С. 8456 - 8456
Опубликована: Авг. 2, 2024
Breast
cancer
is
a
heterogeneous
disease
that
arises
as
multi-stage
process
involving
multiple
cell
types.
Patients
diagnosed
with
the
same
clinical
stage
and
pathological
classification
may
have
different
prognoses
therapeutic
responses
due
to
alterations
in
molecular
genetics.
As
an
essential
marker
for
subtyping
of
breast
cancer,
long
non-coding
RNAs
(lncRNAs)
play
crucial
role
gene
expression
regulation,
differentiation,
maintenance
genomic
stability.
Here,
we
developed
modular
framework
lncRNA
identification
applied
it
cohort
identify
novel
lncRNAs
not
previously
annotated.
To
investigate
potential
biological
function,
regulatory
mechanisms,
relevance
lncRNAs,
elucidated
chromatin
features
these
along
associated
protein-coding
genes
putative
enhancers
involved
networks.
Furthermore,
uncovered
patterns
annotated
identified
were
related
hormone
response
PAM50
criterion,
well
immune
progression
states
across
cells
checkpoint
genes.
Collectively,
comprehensive
functional
analysis
revealed
by
altering
participating
networks,
contributing
better
insight
into
heterogeneity
avenues
intervention.
Язык: Английский