Biocell,
Journal Year:
2024,
Volume and Issue:
48(7), P. 1023 - 1036
Published: Jan. 1, 2024
Liver
regeneration
and
the
development
of
effective
therapies
for
liver
failure
remain
formidable
challenges
in
modern
medicine.In
recent
years,
utilization
3D
cell-based
strategies
has
emerged
as
a
promising
approach
addressing
these
urgent
clinical
requirements.This
review
provides
thorough
analysis
application
cellbased
approaches
to
their
potential
impact
on
patients
with
end-stage
failure.Here,
we
discuss
various
culture
models
that
incorporate
hepatocytes
stem
cells
restore
function
ameliorate
consequences
failure.Furthermore,
explored
transitioning
innovative
from
preclinical
studies
applications.The
collective
insights
presented
herein
highlight
significance
transformative
paradigm
improved
patient
care.
Liver International,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 1, 2024
Abstract
In
the
traditional
view,
occurrence
of
cirrhosis‐related
complications,
such
as
hepatic
encephalopathy,
formation
ascites
or
variceal
haemorrhage,
marks
transition
to
decompensated
stage
cirrhosis.
Although
dichotomous
stratification
into
a
compensated
and
state
reflects
prognostic
water‐shed
moment
remains
hold
its
validity,
it
represents
an
oversimplification
clinical
realities.
A
broadening
understanding
pathophysiological
mechanisms
underpinning
decompensation
have
led
identification
distinct
subgroups,
associated
with
different
courses
following
decompensation.
Data
provided
by
PREDICT
study
uncovered
three
sub‐phenotypes
acute
(AD).
Moreover,
acute‐on‐chronic
liver
failure
(ACLF)
has
been
established
entity
for
many
years,
which
is
high
short‐term
mortality.
Recently,
non‐acute
(NAD)
proposed
pathway
decompensation,
complementing
current
concepts
spectrum
contrast
AD,
NAD
characterized
slow
progressive
development
are
often
presented
at
first
and/or
in
patients
earlier
chronic
disease.
Successful
treatment
AD
may
lead
stabilization
even
concept
recompensation.
This
review
aims
provide
overview
on
delineate
recent
advances
our
understanding.
United European Gastroenterology Journal,
Journal Year:
2024,
Volume and Issue:
12(2), P. 194 - 202
Published: Feb. 20, 2024
Abstract
It
is
essential
to
identify
the
subgroup
of
patients
who
experience
poorer
outcomes
in
order
adapt
clinical
management
effectively.
In
context
liver
disease,
earlier
identification
occurs,
greater
range
therapeutic
options
that
can
be
offered
patients.
past,
with
acute
decompensation
(AD)
chronic
disease
were
treated
as
a
homogeneous
group,
emphasis
on
identifying
those
at
highest
risk
death.
last
15
years,
differentiation
has
emerged
between
acute‐on‐chronic
failure
syndrome
(ACLF)
and
AD,
primarily
due
indications
latter
linked
less
favorable
short‐term
prognosis.
Nevertheless,
definition
ACLF
varies
among
different
knowledge
societies,
making
it
challenging
assess
its
true
impact
compared
AD.
Therefore,
purpose
this
review
provide
detailed
analysis
emphasizing
critical
importance
field
advanced
disease.
We
will
discuss
differences
Eastern
Western
approaches,
particularly
relation
occurrence
onset.
Common
characteristics,
such
dynamic
nature
course,
highlighted.
Finally,
we
focus
two
key
implications
arising
from
these
considerations:
prevention
before
onset
strategies
once
develops,
including
transplantation
withdrawal
care.
Liver International,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 16, 2023
Acute-on-chronic
liver
failure
(ACLF)
is
a
life-threatening
syndrome
characterized
by
decompensation
of
cirrhosis,
severe
systemic
inflammation
and
organ
failures.
ACLF
frequently
triggered
intra-
and/or
extrahepatic
insults,
such
as
bacterial
infections,
alcohol-related
hepatitis
or
flares
hepatic
viruses.
The
imbalance
between
immune
tolerance
causes
failures
through
the
following
mechanisms:
(i)
direct
damage
cells/mediators;
(ii)
worsening
circulatory
dysfunction
resulting
in
hypoperfusion
(iii)
metabolic
alterations
with
prioritization
energetic
substrates
for
peripheral
'energetic
crisis'.
Currently,
management
includes
support
failures,
identification
treatment
precipitating
factors
expedited
assessment
transplantation
(LT).
Early
LT
should
be
considered
patients
grade
3,
who
are
unlikely
to
recover
available
treatments
have
mortality
rate
>
70%
at
28
days.
However,
selection
transplant
candidates
their
on
waiting
list
need
standardization.
Future
challenges
field
include
better
understanding
pathophysiological
mechanisms
leading
development
specific
disease
personalized
approaches.
Herein,
we
reviewed
current
knowledge
future
perspectives
ACLF.
Liver International,
Journal Year:
2025,
Volume and Issue:
45(2)
Published: Jan. 28, 2025
Acute
liver
failure
(ALF)
and
acute-on-chronic
(ACLF)
represent
critical
junctures
in
the
spectrum
of
diseases,
characterized
by
rapid
deterioration
function
often
multi-organ
dysfunction.
Despite
advances
medical
care,
they
remain
significant
challenges
clinical
practice,
necessitating
a
deeper
understanding
their
pathophysiology
development
effective
therapeutic
strategies.
This
special
issue
intents
to
address
these
topics
15
selected
reviews.
The
first
two
reviews
are
ALF
pathogenesis
therapy
focus.1,
2
is
rare
but
life-threatening
condition
sudden
loss
individuals
with
no
pre-existing
disease.
It
associated
high
mortality
rate,
typically
ranging
from
50%
80%.
aetiology
can
be
diverse,
including
viral
hepatitis,
drug-induced
injury,
autoimmune
hepatitis
acute
ischaemic
injury
among
others
(Figure
1).
Regardless
underlying
cause,
hallmark
massive
hepatocyte
death,
leading
impaired
synthetic
metabolic
functions
liver.
presentation
vary
widely,
common
features
include
jaundice,
coagulopathy,
hepatic
encephalopathy,
often,
deterioration.
management
involves
intensive
supportive
measures
maintain
hemodynamic
stability,
correct
coagulopathy
manage
complications
such
as
cerebral
oedema
encephalopathy.1
Liver
transplantation
remains
only
definitive
treatment
option
for
many
patients
ALF,
offering
possibility
long-term
survival.
However,
availability
donor
organs
timing
crucial
factors
that
significantly
impact
outcomes.
In
recent
years,
there
has
been
growing
interest
artificial
support
systems
bridge
or
promote
regeneration
ALF.
These
aim
remove
toxins,
imbalances
provide
temporary
while
awaiting
recovery
transplantation.
Various
modalities,
extracorporeal
devices
bioartificial
systems,
have
investigated,
efficacy
subject
debate.2
ACLF,
on
other
hand,
represents
distinct
syndrome
chronic
disease,
most
commonly
cirrhosis.
Hernaez
colleagues
summarized
comprehensive
review
definition,
diagnosis
epidemiology
ACLF.3
ACLF
develops
setting
decompensation
may
also
develop
stage
decompensation,
so-called
non-acute
decompensation.4
For
precipitating
event,
bacterial
infection,
alcoholic
gastrointestinal
bleeding,
triggers
systemic
inflammatory
response
exacerbates
injury.
But
necessary
interventions
2)
induce
precipitate
Praktiknjo
et
al.5
dysregulated
immune
leads
widespread
tissue
damage
organ
dysfunction,
extra-hepatic
failures,
driving
extreme
short-term
30%
50%.6
Alcoholic
specific
trigger
still
unaddressed
condition.7
Similarly
hepatitis,7
complex
multifactorial,
involving
interactions
between
system,
gut
microbiota
inflammation.
progress
made,
we
expect
technological
(omics)
digital
(artificial
intelligence)
improve
understanding,
potentially
design
approaches.8
Especially
using
large
cohorts
omics
data
sets
will
facilitate
construction
algorithms
predict
prognosis
ACLF.
Existing
future
reviewed
Valainathan
al.9
Current
focuses
treating
factors,
providing
care
and,
some
cases,
considering
life-saving
intervention.10
role
inflammation
dysregulation
demonstrated
over
last
this
exploration
novel
targets,
interleukin-22
Hwang
al.11
Strategies
aimed
at
modulating
response,
corticosteroids,
immunomodulatory
agents
anti-inflammatory
cytokines,
shown
promise
preclinical
studies
early-phase
trials.12
approaches
multimodal,
indeed,
one
shape
strategy
based
molecular
mechanism
supporting
clear
rationale
3),
nicely
Morrison
al.13
addition
pharmacological
interventions,
increasing
use
potential
support,
toxins
mediators,
regeneration.
While
early
promising
results,
larger
randomized
controlled
trials
needed
establish
ACLF.14,
conclusion,
morbidity
mortality.
need
further
research
better
understand
conditions
more
targeted
therapies
holds
improving
outcomes
validate
safety
practice.
Jonel
Trebicka
was
supported
German
Research
Foundation
(DFG)
project
ID
403224013—SFB
1382
(A09),
Federal
Ministry
Education
(BMBF)
DEEP-HCC
Hessian
Higher
Education,
Arts
(HMWK)
ENABLE
ACLF-I
cluster
projects.
MICROB-PREDICT
(project
825694),
DECISION
847949),
GALAXY
668031),
LIVERHOPE
731875)
IHMCSA
964590)
projects
received
funding
European
Union's
Horizon
2020
innovation
program.
manuscript
reflects
authors'
views,
Commission
not
responsible
any
made
information
it
contains.
funders
had
influence
study
design,
collection
analysis,
decision
publish
preparation
manuscript.
speaking
and/or
consulting
fees
Versantis,
Gore,
Boehringer-Ingelheim,
Falk,
Grifols,
Genfit
CSL
Behring.
article
does
contain
primary
patient
nor
did
involve
human
animal
subjects.
As
such,
ethical
approval
required
production
article.
data,
materials
sources.
authors
writing
assistance
disclose.
editorial
present
new
synthesis
existing
findings.
Therefore,
sets,
code
submission.
All
included
publicly
available
literature
references
cited
within
text.
Diagnostics,
Journal Year:
2025,
Volume and Issue:
15(6), P. 751 - 751
Published: March 17, 2025
Acute-on-chronic
liver
failure
(ACLF)
is
a
clinical
syndrome
characterized
by
organ
and
high
short-term
mortality.
Since
its
first
definition
in
2013,
many
international
organizations
have
defined
this
and,
till
now,
there
has
been
no
agreement
regarding
definitions
diagnostic
criteria.
Although
the
precise
mechanism
of
ACLF
unknown,
precipitant
factors
systemic
inflammation
response
play
major
role.
Specific
management
high-mortality
still
under
development,
but
general
consensus
diagnosis
needed.
United European Gastroenterology Journal,
Journal Year:
2023,
Volume and Issue:
11(9), P. 813 - 814
Published: Nov. 1, 2023
Acute-on-chronic
liver
failure
(ACLF),
as
per
the
European
Association
for
Study
of
Liver
(EASL),
is
a
syndrome
that
develops
in
patients
with
acute
decompensation
cirrhosis
(AD)
which
characterised
by
severe
systemic
inflammation,
immune
dysfunction,
organ
failures
and
high
short-term
mortality.
According
to
number
defined
specific
thresholds
each
system
(liver,
coagulation,
brain,
renal,
respiration
circulation),
are
categorised
into
distinct
ACLF
grades
increasing
severity.
Hence,
grade
1
corresponds
patient
single
kidney
or
non-kidney
brain
dysfunction),
2
two
3
marked
three
more.
In
course
ACLF,
belonging
3,
3-month
mortality
escalates
range
70%
more
than
90%.1
Over
past
decade,
significant
efforts
have
been
made
understand
natural
history
pathogenesis
syndrome,
standardise
clinical
management
access
transplantation
these
patients.1
While
critical,
it
recently
researchers
tried
identify
individuals
AD
showing
higher
risk
developing
ACLF.
The
PREDICT
study
identified
could
follow
different
courses
over
subsequent
months;
'pre-ACLF'
group
develop
an
unstable
decompensated
requiring
further
hospital
admission
stable
compensated
no
admission.2
It
demonstrates
highest
rates
levels
inflammation.
also
bacterial
infection
alcohol-related
hepatitis
main
precipitants
correlating
severity
inflammation.3
this
issue
United
Gastroenterology
Journal,
Zanetto
et
al.
introduced
Padua
model
2.0
identifies
at
ACLF.4
This
expands
on
authors'
previous
work
original
model,
combined
C-reactive
protein
(CRP),
Chronic
Failure
Consortium
score
(CLIF-C
AD)
Child
Pugh
predict
AD,
accurately
development
Model
End-Stage
Disease
(MELD),
CLIF-C
scores
alone.5
differs
CRP
replaced
presepsin
(PSP),
soluble
fragment
CD14,
authors
found
PSP
AD.
PSP's
superiority
predicting
likely
stems
from
its
specificity
infection.
released
CD14
during
inflammatory
responses,
where
co-receptor
toll-like
receptor
4
(TLR4)
macrophages
monocytes
recognise
endotoxin.
probably
makes
accurate
predictor
compared
hepatically
produced
acute-phase
protein,
CRP.
results
monocyte-related
interesting
latter
has
investigated
potential
novel
therapy
Indeed,
interplay
between
lipid
metabolism
circulating
immunity,
dysregulation
lysophosphatidylcholine
lysophosphatidic
acid
leads
proinflammatory
monocyte
phenotype
participates
dysfunction
syndrome.6
pathway
therefore
proposed
therapeutically
reprogramme
monocytes,
future
research
should
elucidate
impact
CD14-related
inflammation
development.
aim
who
will
there
would
be
earlier
implementation
interventions
improve
survival.
study,
median
time
onset
was
66
days
leaving
enough
treat
prevent
any
infections
other
but
also,
promising
field
therapeutical
approaches
refer
trials
investigating
disease-modifying
therapies.7
clearly
highlights
need
preventative
therapies
help
define
inclusion
criteria
trials.
These
certainly
referred
transplant
assessment
without
they
not
receive
priority
under
current
listing
policies
due
MELD
reaching
threshold
transplant.
However,
placing
such
waiting
lists
before
occurrence
one
best
ways
secure
LT
A
multi-centre
indeed
demonstrated
100%
listed
were
finally
transplanted
opposed
71%
episode.8
summary,
both
models
predictive
identifying
validated
external
cohorts,
their
critical
benefits
include
referral
centres
recruitment
trials,
focus
patients.
declare
conflicts
interest
related
work.
NIHR;
EASL
Joan
Rodes
Fellowship.
Data
sharing
applicable
article
datasets
generated
analysed
study.