Organoids,
Journal Year:
2023,
Volume and Issue:
2(3), P. 123 - 139
Published: July 1, 2023
Challenges
to
the
musculoskeletal
system
negatively
impact
quality
of
life
people
suffering
from
them,
leading
pain,
a
decline
in
mobility,
genetic
alterations,
and
potential
disorders.
The
bone
marrow
(BM)
forms
an
integral
part
responsible
for
erythropoiesis
optimal
survival
various
immune
stem
cells
within
BM.
However,
due
its
dynamic
complex
three-dimensional
(3D)
structure,
replicating
BM
physiologically
traditional
two-dimensional
(2D)
cell
culture
settings
is
often
challenging,
giving
rise
need
3D
vitro
models
better
dissect
regeneration.
Several
researchers
globally
have
been
investigating
approaches
define
appropriate
model
their
research.
Organoids
are
novel
preclinical
that
provide
platform
several
tissues
analysed
using
next-generation
sequencing
(NGS)
identify
new
molecular
pathways
at
level.
organoids
increasingly
considered
important
platforms
precision
medicine.
This
review
outlines
current
knowledge
organoid
We
also
discuss
different
types
which
may
be
more
adaptable
Finally,
we
critically
NGS
techniques
used
such
future
combination
these
techniques.
Micromachines,
Journal Year:
2024,
Volume and Issue:
15(2), P. 231 - 231
Published: Jan. 31, 2024
Creating
model
systems
that
replicate
in
vivo
tissues
is
crucial
for
understanding
complex
biological
pathways
like
drug
response
and
disease
progression.
Three-dimensional
(3D)
vitro
models,
especially
multicellular
spheroids
(MCSs),
offer
valuable
insights
into
physiological
processes.
However,
generating
MCSs
at
scale
with
consistent
properties
efficiently
recovering
them
pose
challenges.
We
introduce
a
workflow
automates
large-scale
spheroid
production
enables
parallel
harvesting
individual
wells
of
microtiter
plate.
Our
method,
based
on
the
hanging-drop
technique,
utilizes
non-contact
dispenser
dispensing
nanoliter
droplets
uniformly
mixed-cell
suspension.
The
setup
allows
extended
processing
times
up
to
45
min
without
compromising
quality.
As
proof
concept,
we
achieved
99.3%
generation
efficiency
maintained
highly
sizes,
coefficient
variance
below
8%
MCF7
spheroids.
centrifugation-based
drop
transfer
sample
recovery
100%.
successfully
transferred
HT29
from
hanging
drops
preloaded
collagen
matrices,
where
they
continued
proliferate.
This
high-throughput
opens
new
possibilities
prolonged
cultivation,
advanced
downstream
assays,
increased
hands-off
time
3D
cell
culture
protocols.
Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
67(13), P. 11138 - 11151
Published: July 1, 2024
Using
a
multigram-scalable
synthesis,
we
obtained
nine
dinuclear
complexes
based
on
nonendogenous
iron(I)
centers
and
featuring
variable
aminocarbyne
P-ligands.
One
compound
from
the
series
(FEACYP)
emerged
for
its
strong
cytotoxicity
in
vitro
against
four
human
cancer
cell
lines,
surpassing
activity
of
cisplatin
by
3–6
times
three
with
an
average
selectivity
index
6.2
compared
to
noncancerous
HEK293
cells.
FEACYP
demonstrated
outstanding
water
solubility
(15
g/L)
stability
physiological-like
solutions.
It
confirmed
superior
antiproliferative
when
tested
3D
spheroids
pancreatic
cells
showed
capacity
inhibit
thioredoxin
reductase
(TrxR)
similar
auranofin.
In
vivo
treatment
murine
LLC
carcinoma
(8
mg
kg–1
dose)
led
excellent
tumor
growth
suppression
(88%)
day
15,
no
signs
systemic
toxicity
only
limited
body
weight
loss.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 4, 2024
Gastrointestinal
(GI)
cancers
comprise
a
significant
number
of
cancer
cases
worldwide
and
contribute
to
high
percentage
cancer-related
deaths.
To
improve
survival
rates
GI
patients,
it
is
important
find
implement
more
effective
therapeutic
strategies
with
better
prognoses
fewer
side
effects.
The
development
new
drugs
can
be
lengthy
expensive
process,
often
involving
clinical
trials
that
may
fail
in
the
early
stages.
One
strategy
address
these
challenges
drug
repurposing
(DR).
Drug
developmental
involves
using
existing
approved
for
other
diseases
leveraging
their
safety
pharmacological
data
explore
potential
use
treating
different
diseases.
In
this
paper,
we
outline
associated
DR
as
promising
alternative
approach.
We
have
presented
an
extensive
review
methodologies,
research
efforts
examples
repurposed
within
various
types,
such
colorectal,
pancreatic
liver
cancers.
Our
aim
provide
comprehensive
overview
employing
approach
inform
future
endeavors
field.
Nanomedicine,
Journal Year:
2024,
Volume and Issue:
19(11), P. 979 - 994
Published: April 5, 2024
Background:
Cancer
stem
cells'
(CSCs)
resistance
to
5-fluorouracil
(Fu),
which
is
the
main
obstacle
in
treating
colon
cancer
(CC),
can
be
overcome
by
ferroptosis.
The
latter,
herein,
triggered
FeO
nanoparticles
(inducer
of
iron
accumulation)
and
diethyldithiocarbamate-inhibited
glutathione
system
aldehyde
dehydrogenase
(ALDH1A1-maintained
stemness,
therapeutic
metastasis).
Materials
&
methods:
Nanocomplex
diethyldithiocarbamate
(FD)
was
used
combination
with
Fu
investigate
its
potential
synergistic
anti-CSC
influence
using
CC
spheroid
models.
Results:
In
+
FD-treated
spheroids,
strongest
growth
inhibition,
highest
cell
death
percentage,
lowest
CD133+-CSCs
percentage
stemness
gene
expressions
(e.g.,
drug
efflux
transporter),
antimetastatic
effect
were
recorded
high
indexes.
Conclusion:
FD
represents
effective
therapy
for
chemoresistant
cells.
Small Science,
Journal Year:
2024,
Volume and Issue:
4(8)
Published: May 10, 2024
Nanoscale
metal-organic
frameworks
(NMOFs)
exhibit
unique
properties
for
drug
delivery,
including
ultrahigh
storage
capabilities,
biocompatibility,
biodegradability,
and
sustained
release
of
encapsulated
cargo.
However,
due
to
their
localized
electronic
states,
MOFs
are
nonresponsive
external
stimuli
such
as
light
or
magnetic
fields.
This
study
investigates
the
integration
light-responsive
nanoantennas
into
NMOFs
enhance
application
smart
delivery
nanosystems.
By
integrating
gold
bipyramid
within
ZIF-8
NU-1000
NMOFs,
core@shell
nanosystems
created
with
photothermal
capabilities.
Utilizing
cresyl
violet
a
model
drug,
loading
dynamics
these
analyzed,
demonstrating
controlled
under
near-infrared
(NIR)
stimulation.
Photothermal
studies
conducted
in
living
cells
reveal
potential
nanocomposites
spatiotemporal
targeted,
light-activated
delivery.
Further
evaluation
nanocomposite
loaded
chemotherapeutics-doxorubicin,
carboplatin,
oxaliplatin-in
both
2D
3D
cell
cultures
shows
nanosystem
effectiveness
internalization
therapeutic
NIR
activation.
The
findings
demonstrate
that
incorporation
stimuli-responsive
elements
offers
promising
approach
developing
advanced
platforms.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1859 - 1859
Published: May 13, 2024
Advancements
in
cell
culturing
techniques
have
allowed
the
development
of
three-dimensional
(3D)
culture
models
sourced
directly
from
patients’
tissues
and
tumors,
faithfully
replicating
native
tissue
environment.
These
provide
a
more
clinically
relevant
platform
for
studying
disease
progression
treatment
responses
compared
to
traditional
two-dimensional
(2D)
models.
Patient-derived
organoids
(PDOs)
patient-derived
xenograft
(PDXOs)
emerge
as
innovative
3D
cancer
capable
accurately
mimicking
tumor’s
unique
features,
enhancing
our
understanding
tumor
complexities,
predicting
clinical
outcomes.
Triple-negative
breast
(TNBC)
poses
significant
challenges
due
its
aggressive
nature,
propensity
early
metastasis,
limited
options.
TNBC
PDOs
PDXOs
significantly
contributed
comprehension
TNBC,
providing
novel
insights
into
underlying
mechanism
identifying
potential
therapeutic
targets.
This
review
explores
transformative
role
various
elucidating
pathogenesis
guiding
strategies.
It
also
provides
an
overview
diverse
models,
derived
lines
highlighting
their
advantages
challenges.
Finally,
it
delves
live-cell
imaging
techniques,
endpoint
assays,
alternative
media
methodologies,
such
scaffold-free
scaffold-based
systems,
essential
advancing
model
research
development.
Marine Drugs,
Journal Year:
2024,
Volume and Issue:
22(7), P. 295 - 295
Published: June 26, 2024
Recently,
the
need
to
develop
a
robust
three-dimensional
(3D)
cell
culture
system
that
serves
as
valuable
in
vitro
tumor
model
has
been
emphasized.
This
should
closely
mimic
growth
behaviors
observed
vivo
and
replicate
key
elements
characteristics
of
human
tumors
for
effective
discovery
development
anti-tumor
therapeutics.
Therefore,
this
study,
we
developed
an
3D
prostate
cancer
(PC)
using
marine
collagen-based
biomimetic
scaffold.
The
displayed
distinctive
molecular
profiles
cellular
properties
compared
with
those
2D
PC
culture.
was
evidenced
by
(1)
increased
proliferation,
migration,
invasion,
colony
formation,
chemoresistance;
(2)
upregulated
expression
crucial
multidrug-resistance-
cancer-stemness-related
genes;
(3)
heightened
molecules
associated
malignant
progressions,
such
epithelial-mesenchymal
transition
transcription
factors,
Notch,
matrix
metalloproteinases,
pluripotency
biomarkers;
(4)
enrichment
stem
cells
(CSCs);
(5)
enhanced
integrins.
These
results
suggest
our
potential
serve
research
platform
studying
CSC
biology,
well
screening
novel
therapies
targeting
CSCs.
Bioengineering,
Journal Year:
2025,
Volume and Issue:
12(1), P. 28 - 28
Published: Jan. 1, 2025
Spheroids
serve
as
the
building
blocks
for
three-dimensional
(3D)
bioprinted
tissue
patches.
When
larger
than
500
μm,
desired
size
3D
bioprinting,
they
tend
to
have
a
hypoxic
core
with
necrotic
cells.
Therefore,
it
is
critical
assess
viability
of
spheroids
in
order
ensure
successful
fabrication
high-viability
However,
current
assays
are
time-consuming,
labor-intensive,
require
specialized
training,
or
subject
human
bias.
In
this
study,
we
build
convolutional
neural
network
(CNN)
model
efficiently
and
accurately
predict
spheroid
viability,
using
phase-contrast
image
its
input.
A
comprehensive
dataset
mouse
mesenchymal
stem
cell
(mMSC)
varying
sizes
corresponding
percentages,
which
was
obtained
through
CCK-8
assays,
established
used
train
validate
model.
The
trained
automatically
classify
into
one
four
distinct
categories
based
on
their
predicted
viability:
0–20%,
20–40%,
40–70%,
70–100%.
achieved
an
average
accuracy
92%,
consistent
loss
below
0.2.
This
deep-learning
offers
non-invasive,
efficient,
accurate
method
streamline
assessment
quality,
thereby
accelerating
development
bioengineered
cardiac
patches
cardiovascular
disease
therapies.