Anomaly detection for high-content image-based phenotypic cell profiling
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 3, 2024
Abstract
High-content
image-based
phenotypic
profiling
combines
automated
microscopy
and
analysis
to
identify
alterations
in
cell
morphology
provide
insight
into
the
cell’s
physiological
state.
Classical
representations
of
profile
can
not
capture
full
underlying
complexity
organization,
while
recent
weakly
machine-learning
based
representation-learning
methods
are
hard
biologically
interpret.
We
used
abundance
control
wells
learn
in-distribution
experiments
use
it
formulate
a
self-supervised
reconstruction
anomaly-based
representation
that
encodes
intricate
morphological
inter-feature
dependencies
preserving
interpretability.
The
performance
our
was
evaluated
for
downstream
tasks
with
respect
two
classical
across
four
public
Cell
Painting
datasets.
Anomaly-based
improved
reproducibility,
Mechanism
Action
classification,
complemented
representations.
Unsupervised
explainability
autoencoder-based
anomalies
identified
specific
causing
anomalies.
general
concept
be
adapted
other
applications
biology.
Язык: Английский
Live Cell Painting: image-based profiling in live cells using Acridine Orange
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 29, 2024
Image-based
profiling
has
been
used
to
analyze
cell
health,
drug
mechanism
of
action,
CRISPR-edited
cells,
and
overall
cytotoxicity.
Cell
Painting
is
a
broadly
image-based
assay
that
uses
morphological
features
capture
how
cells
respond
treatments.
However,
this
method
requires
fixation
for
staining,
which
prevents
examining
live
cells.
To
address
limitation,
here
we
present
Live
(LCP),
high-content
based
on
Acridine
orange,
metachromatic
dye
labels
different
organelles
cellular
structures.
We
began
by
showing
LCP
can
be
applied
follow
acidic
vesicle
redistribution
exposed
vesicles
inhibitors.
Next,
show
identify
subtle
changes
in
silver
nanoparticles
are
not
detected
techniques
such
as
MTT
assay.
In
treatments,
was
helpful
assessing
the
dose-response
relationship
creating
profiles
allow
clustering
drugs
cause
liver
injury.
Here,
an
affordable
easy-to-use
capable
health
promise
use
various
applications
nanoparticles.
envisage
initial
screening
while
providing
insights
into
new
biological
questions.
Язык: Английский