Current Opinion in Systems Biology,
Journal Year:
2024,
Volume and Issue:
37, P. 100506 - 100506
Published: Feb. 29, 2024
The
growing
numbers
of
cancer
cases
represent
a
medical
and
societal
burden
worldwide.
More
than
half
all
patients
are
treated
with
chemotherapy.
Yet,
chemotherapeutic
drugs
kill
not
only
cells,
but
also
healthy
tissue,
causing
massive
adverse
side
effects.
Recent
research
on
circadian
medicine
suggests
that
side-effects
can
be
reduced,
treatment
efficacy
increased,
by
considering
the
biological
clock
patients.
Integrating
profiles
molecular
markers
in
personalized
mathematical
models
simulate
individual
dynamics
drug
uptake,
action
cellular
response
to
This
requires
advanced
computational
tools
balance
prediction
quality
overfitting.
Personalized
will
eventually
lead
an
optimal
alignment
timing
inner
patient,
reducing
effects,
increasing
enhancing
patient
well-being.
The Annual Review of Pharmacology and Toxicology,
Journal Year:
2023,
Volume and Issue:
64(1), P. 89 - 114
Published: Sept. 19, 2023
Today's
challenge
for
precision
medicine
involves
the
integration
of
impact
molecular
clocks
on
drug
pharmacokinetics,
toxicity,
and
efficacy
toward
personalized
chronotherapy.
Meaningful
improvements
tolerability
and/or
medications
through
proper
administration
timing
have
been
confirmed
over
past
decade
immunotherapy
chemotherapy
against
cancer,
as
well
commonly
used
pharmacological
agents
in
cardiovascular,
metabolic,
inflammatory,
neurological
conditions.
Experimental
human
studies
recently
revealed
sexually
dimorphic
circadian
responses.
Dedicated
randomized
clinical
trials
should
now
aim
to
issue
recommendations
daily
medical
practice,
integrating
innovative
technologies
remote
longitudinal
monitoring
metrics,
statistical
prediction
clock
function
from
single-timepoint
biopsies,
multiscale
biorhythmic
mathematical
modelling.
Importantly,
chronofit
patients
with
a
robust
function,
who
would
benefit
most
chronotherapy,
need
be
identified.
Conversely,
nonchronofit
could
emerging
class
chronobiotics
targeting
clock.
Cancer Medicine,
Journal Year:
2020,
Volume and Issue:
9(12), P. 4148 - 4159
Published: April 22, 2020
Abstract
The
least
toxic
time
(LTT)
of
irinotecan
varied
by
up
to
8
hours
according
sex
and
genetic
background
in
mice.
translational
relevance
was
investigated
within
a
randomized
trial
dataset,
where
no
LTT
stood
out
significantly
the
whole
population.
130
male
63
female
eligible
patients
with
metastatic
colorectal
cancer
were
receive
chronomodulated
Irinotecan
peak
delivery
rate
at
1
6
clock
staggered
4
on
day
1,
then
fixed‐time
Fluorouracil‐Leucovorin‐Oxaliplatin
for
days,
q3
weeks.
sex‐specific
circadian
characteristics
grade
(G)
3‐4
toxicities
mapped
cosinor
time*sex
interactions
confirmed
Fisher's
exact
test.
Baseline
or
similar
six
treatment
groups.
Main
over
courses
diarrhea
(males
vs
females,
39.2%;
46.0%),
neutropenia
(15.6%
15.0%),
fatigue
(11.5%
15.9%),
anorexia
(10.0%
7.8%).
They
reduced
following
morning
males,
but
afternoon
statistically
significant
rhythms
(
P
<
.05
from
cosinor)
sex*timing
(Fisher's
test,
diarrhea,
=
.023;
neutropenia,
.015;
fatigue,
.062;
anorexia,
.032).
timing
most
critical
grades
ranging
55.2%
(morning)
29.4%
(afternoon)
25.9%
0%
neutropenia.
study
results
support
administration
males
order
minimize
adverse
events
without
impairing
efficacy.
Prior
to
the
advent
of
genetic
engineering
in
mouse,
rat
was
model
choice
for
investigating
etiology
cancer.
Now,
recent
advances
manipulation
genome,
combined
with
a
growing
recognition
physiological
differences
between
mice
and
rats,
have
reignited
interest
as
human
Two
recently
developed
models,
polyposis
colon
(Pirc)
Kyoto
Apc
Delta
(KAD)
strains,
each
carry
mutations
intestinal-cancer-associated
adenomatous
coli
(Apc)
gene.
In
contrast
mouse
models
carrying
mutations,
which
cancers
develop
mainly
small
intestine
rather
than
there
is
no
gender
bias,
these
exhibit
colonic
predisposition
gender-specific
susceptibility,
seen
The
also
provides
other
experimental
resources
organism
that
are
not
provided
by
mouse:
structure
its
chromosomes
facilitates
analysis
genomic
events,
size
permits
longitudinal
tumor
growth,
biological
samples
from
animal
multiplexed
molecular
analyses
host.
Thus,
underlying
biology
provide
important
avenues
investigation.
We
anticipate
disease
modeling
will
synergize
being
deeper
understanding
Oncotarget,
Journal Year:
2016,
Volume and Issue:
7(52), P. 85832 - 85847
Published: Aug. 3, 2016
//
Ali
Mteyrek
1
,
Elisabeth
Filipski
Catherine
Guettier
2
Alper
Okyar
3
Francis
Lévi
1,
2,
4
INSERM
and
Paris
Sud
University,
UMRS
995,
Team
«
Cancer
Chronotherapy
Postoperative
Liver
»,
Campus
CNRS,
Villejuif
F-94807,
France
Assistance
Publique-Hopitaux
de
Paris,
Department
of
Medical
Oncology
Laboratory
Anatomy
Pathologic
Cytology,
Hôpital
Paul
Brousse,
F-94800,
Istanbul
University
Faculty
Pharmacy,
Pharmacology,
Beyazit
TR-34116,
Istanbul,
Turkey
Warwick
School,
Unit,
Coventry,
CV4
7AL,
United
Kingdom
Correspondence
to:
Lévi,
email:
[email protected]
Keywords:
Circadian
rhythm,
Per2
gene,
Hepatocellular
carcinoma,
Molecular
clock,
Cell
cycle
genes
Received:
May
12,
2016
Accepted:
July
13,
Published:
August
03,
2016
ABSTRACT
Environmental
disruption
molecular
clocks
promoted
liver
carcinogenesis
accelerated
cancer
progression
in
rodents.
We
investigated
the
specific
role
clock
gene
Period
(Per2)
for
clock-controlled
cellular
proliferation,
genomic
instability
inflammation.
assessed
histopathology,
determined
physiology
circadian
patterns
mice
on
chronic
diethylnitrosamine
(DEN)
exposure
according
to
constitutive
mutation.
First,
we
found
that
m/m
displayed
profound
alterations
proliferation
expression,
including
c-Myc
derepression,
phase-advanced
Wee1,
arrhythmic
Ccnb1
K-ras
mRNA
expressions,
as
well
deregulated
inflammation,
through
IL-6
protein
concentration,
absence
any
DEN
exposure.
These
changes
could
then
make
more
prone
subsequently
develop
cancers
DEN.
Indeed,
primary
were
nearly
fourfold
frequent
compared
wild-type
(WT),
months
after
The
was
severely
disrupted
throughout
whole
process,
initiation
stage,
i.e.
within
initial
17
days
further
exhibited
increased
mean
24h
lack
P53
response,
ATM,
Wee1
expressions.
DEN-induced
tumor
related
inflammation
concentrations
TNF-α
WT
during
initiation.
mutation
or
expressions
three
hallmarks,
uncontrolled
instability,
promoting
several-fold.
Clock
acted
here
a
suppressor
from
progression.
PLoS Computational Biology,
Journal Year:
2020,
Volume and Issue:
16(1), P. e1007218 - e1007218
Published: Jan. 27, 2020
Precision
medicine
requires
accurate
technologies
for
drug
administration
and
proper
systems
pharmacology
approaches
patient
data
analysis.
Here,
plasma
pharmacokinetics
(PK)
of
the
OPTILIV
trial
in
which
cancer
patients
received
oxaliplatin,
5-fluorouracil
irinotecan
via
chronomodulated
schedules
delivered
by
an
infusion
pump
into
hepatic
artery
were
mathematically
investigated.
A
pump-to-patient
model
was
designed
order
to
accurately
represent
solution
dynamics
from
blood.
It
connected
semi-mechanistic
PK
models
analyse
inter-patient
variability
parameters.
Large
time
delays
up
1h41
between
actual
start
detection
blood
predicted
confirmed
data.
Sudden
delivery
spike
due
glucose
rinse
after
accounted
10.7%
total
dose.
New
model-guided
profiles
precisely
lead
exposure
intended
clinicians.
Next,
complete
mathematical
framework
achieved
a
very
good
fit
individual
time-concentration
concluded
that
inter-subject
differences
parameters
lowest
irinotecan,
intermediate
oxaliplatin
largest
5-fluorouracil.
Clustering
according
their
parameter
values
revealed
subgroups
each
largely
decreased
compared
population.
This
study
provides
optimize
pumps
inform
on
variability,
step
towards
precise
personalized
chronotherapy.
Pancreas,
Journal Year:
2020,
Volume and Issue:
49(8), P. 1024 - 1032
Published: Aug. 20, 2020
Pancreatitis,
in
both
acute
and
chronic
forms,
poses
a
major
therapeutic
challenge
is
associated
with
great
morbidity
several
complications.
The
nature
of
pancreatic
injury
pancreatitis
(CP)
the
wide
range
causative
processes
that
lead
to
CP
have
made
effective
therapy
true
unmet
need.
Multiple
physiological,
genetic,
environmental,
behavioral
factors
contribute
development
CP.
As
result,
fields
research
are
aimed
at
identifying
addressing
injury.
In
this
article,
we
review
current
understanding
pathogenesis
natural
history
We
focus
on
autonomous
nervous
system,
immune
role
chronobiological
approach
alleviate
symptoms
prevent
or
reverse
aim
demonstrate
individualizing
chronopharmacological
treatments
for
promising
direction
future
treatment
using
immune,
nervous,
circadian
systems.
Computational and Structural Biotechnology Journal,
Journal Year:
2021,
Volume and Issue:
19, P. 5170 - 5183
Published: Jan. 1, 2021
Scheduling
anticancer
drug
administration
over
24
h
may
critically
impact
treatment
success
in
a
patient-specific
manner.
Here,
we
address
personalization
of
timing
using
novel
mathematical
model
irinotecan
cellular
pharmacokinetics
and
–dynamics
linked
to
representation
the
core
clock
predict
toxicity
colorectal
cancer
(CRC)
model.
The
is
fitted
three
different
scenarios:
mouse
liver,
where
metabolism
mainly
occurs,
two
human
cell
lines
representing
an
vitro
experimental
system
for
progression.
Our
successfully
recapitulates
quantitative
circadian
datasets
mRNA
protein
expression
together
with
timing-dependent
cytotoxicity
data.
also
discriminates
time-dependent
between
cells,
suggesting
that
can
be
optimized
according
their
clock.
results
show
degradation
mediating
activation,
as
well
oscillation
death
rate
play
important
role
variations
toxicity.
In
future,
this
used
support
personalized
scheduling
by
predicting
optimal
based
on
patient's
gene
profile.