Cancers,
Год журнала:
2024,
Номер
16(7), С. 1411 - 1411
Опубликована: Апрель 4, 2024
Background
and
aim:
The
involvement
of
cholesterol
in
cancer
development
remains
a
topic
debate,
its
association
with
breast
has
yet
to
be
consistently
demonstrated.
Considering
that
circulating
levels
depend
on
several
concomitant
processes,
we
tested
the
liability
plasma
proprotein
convertase
subtilisin/kexin
type
9
(PCSK9),
one
key
regulators
levels,
as
prognostic
biomarker
context
neoplastic
events.
Methods:
Within
prospective
randomized
prevention
trial
measured
baseline
PCSK9.
A
total
235
at-risk
premenopausal
women
were
followed
up
for
17
years.
Participants
enrolled
this
placebo-controlled,
phase
II,
double-blind
randomly
assigned
receive
either
tamoxifen
5
mg/d
or
fenretinide
200
mg/d,
both
agents,
placebo
2
associations
events
evaluated
through
competing
risk
Cox
regression
survival
models,
adjusted
randomization
strata
(5-year
Gail
≥
1.3%
vs.
intraepithelial
neoplasia
small
invasive
favorable
prognosis),
age,
treatment
allocation.
PCSK9
biomarkers
linked
assessed
blood
samples
collected
at
baseline.
Results:
plasmatic
median
interquartile
range
207
ng/mL
170–252
ng/mL,
respectively.
Over
follow-up
period
years
89
events,
disease-free
curves
showed
hazard
ratio
1.002
(95%
CI:
0.999–1.005,
p
=
0.22)
compared
below
ng/mL.
No
differences
between
observed.
We
found
negative
correlation
estradiol
(r
−0.305),
maintained
even
after
partial
adjustment
BMI
age
−0.287).
Cholesterol
0.266),
LDL-C
0.207),
non-HDL-C
0.246),
remnant
0.233),
triglycerides
0.233)
also
correlated
Conclusions:
In
early-stage
cancer,
did
not
appear
have
role
Larger
studies
are
warranted
investigating
patients
different
settings.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 8, 2024
Proprotein
convertase
subtilisin/kexin
type
9
(PCSK9)
has
evolved
as
a
pivotal
enzyme
in
lipid
metabolism
and
revolutionary
therapeutic
target
for
hypercholesterolemia
its
related
cardiovascular
diseases
(CVD).
This
comprehensive
review
delineates
the
intricate
roles
wide-ranging
implications
of
PCSK9,
extending
beyond
CVD
to
emphasize
significance
diverse
physiological
pathological
states,
including
liver
diseases,
infectious
autoimmune
disorders,
notably,
cancer.
Our
exploration
offers
insights
into
interaction
between
PCSK9
low-density
lipoprotein
receptors
(LDLRs),
elucidating
substantial
impact
on
cholesterol
homeostasis
health.
It
also
details
evolution
PCSK9-targeted
therapies,
translating
foundational
bench
discoveries
bedside
applications
optimized
patient
care.
The
advent
clinical
approval
innovative
inhibitory
therapies
(PCSK9-iTs),
three
monoclonal
antibodies
(Evolocumab,
Alirocumab,
Tafolecimab)
one
small
interfering
RNA
(siRNA,
Inclisiran),
have
marked
significant
breakthrough
medicine.
These
demonstrated
unparalleled
efficacy
mitigating
hypercholesterolemia,
reducing
risks,
showcased
profound
value
applications,
offering
novel
avenues
promising
future
personalized
medicine
disorders.
Furthermore,
emerging
research,
inclusive
our
findings,
unveils
PCSK9's
potential
role
indicator
cancer
prognosis
prospective
application
transformative
treatment.
highlights
aberrant
expression
various
forms,
association
with
prognosis,
crucial
carcinogenesis
immunity.
In
conclusion,
this
synthesized
integrates
existing
knowledge
providing
holistic
perspective
reshaping
paradigms
across
emphasizes
effect
PCSK9-iT,
underscoring
advancing
landscape
biomedical
research
capabilities
heralding
new
eras
Microbial Cell Factories,
Год журнала:
2024,
Номер
23(1)
Опубликована: Март 25, 2024
Cellular
lipid
membranes
serve
as
the
primary
barrier
preventing
viral
infection
of
host
cell
and
provide
viruses
with
a
critical
initial
point
contact.
Occasionally,
can
utilize
lipids
receptors.
Viruses
depend
significantly
on
rafts
for
at
virtually
every
stage
their
life
cycle.
The
pivotal
role
that
proprotein
convertase
subtilisin/kexin
Type
9
(PCSK9)
plays
in
cholesterol
homeostasis
atherosclerosis,
primarily
by
post-transcriptionally
regulating
hepatic
low-density
lipoprotein
receptor
(LDLR)
promoting
its
lysosomal
degradation,
has
garnered
increasing
interest.
Conversely,
using
therapeutic,
fully
humanized
antibodies
to
block
PCSK9
leads
significant
reduction
high
LDL
(LDL-C)
levels.
Food
Drug
Administration
(FDA)
approved
inhibitors,
including
inclisiran
(Leqvio®),
alirocumab
(Praluent),
evolocumab
(Repatha).
At
present,
active
immunization
strategies
targeting
present
compelling
substitute
passive
through
administration
antibodies.
In
addition
current
inquiry
into
potential
therapeutic
application
inhibition
human
immunodeficiency
virus
(HIV)-infected
patients
hyperlipidemia
associated
HIV
antiretroviral
therapy
(ART),
preclinical
research
suggests
may
also
play
inhibiting
hepatitis
C
(HCV)
replication.
Furthermore,
been
suggested
protect
against
dengue
(DENV)
potentially
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
viruses.
Recent
evidence
regarding
impact
variety
infections,
HCV,
HIV,
DENV,
SARS-CoV-2,
is
examined
this
article.
As
result,
inhibitors
vaccines
viable
therapies
our
indicates
involved
pathogenesis
infections.
Infectious Agents and Cancer,
Год журнала:
2025,
Номер
20(1)
Опубликована: Янв. 28, 2025
Both
women
and
men
are
now
confronted
with
the
grave
threat
of
cancers
caused
by
human
papillomavirus
(HPV).
It
is
estimated
that
80%
may
encounter
HPV
over
their
lives.
In
preponderance
cases
involving
anal,
head
neck,
oral,
oropharyngeal,
penile,
vaginal,
vulvar,
cervical
malignancies,
high-risk
(HR-HPV)
causative
agent.
2019,
believed
to
have
been
cause
620,000
new
cancer
in
70,000
worldwide.
The
bulk
530,000
(~
270,000
fatalities)
infection
(86%
cases,
88%
deaths)
happen
poor
nations
each
year.
Lipid
metabolism
crucial
development
related
HPV.
One
most
noticeable
metabolic
abnormalities
lipid
reprogramming,
which
cells
dysregulate
obtain
sufficient
energy,
building
blocks
for
cell
membranes,
signaling
molecules
necessary
invasion,
metastasis,
proliferation,
survival.
Moreover,
proteins'
stimulation
production
infected
will
probably
a
significant
effect
on
oncogenesis.
addition,
lipids
critical
producing
cellular
epithelial-mesenchymal
transition
(EMT)
process,
therapy
resistance
HPV-related
(HRCs).
Therefore,
essential
HRC
also
be
an
important
target
approaches
associated
treatments
during
or
development.
This
review
study
looked
at
role
lipid-lowering
drugs
cancers.
Abstract
Cell
proliferation
and
function
require
nutrients,
energy,
biosynthesis
activity
to
duplicate
repertoires
for
each
daughter.
It
is
therefore
not
surprising
that
tumor
microenvironment
(TME)
metabolic
reprogramming
primarily
orchestrates
the
interaction
between
immune
cells.
Tumor
affords
bioenergetic,
signaling
intermediates,
requirements
both
malignant
Different
cell
subsets
are
recruited
into
TME,
these
manifestations
have
distinct
effects
on
progression
therapeutic
outcomes,
especially
mutual
contribution
of
glycolysis
cholesterol
metabolism.
In
particularly,
glycolysis-cholesterol
axis
interconnection
plays
a
critical
role
in
TME
modulation,
their
changes
metabolism
appear
be
double-edged
sword
regulating
various
responses
immunotherapy
efficacy.
Hence,
we
discussed
signature
manifestation
its
pivotal
regulation.
We
also
highlight
how
hypothetical
combinations
glycolysis/cholesterol-related
interventions
unleash
potential
anti-tumor
immunotherapies,
as
well
developing
more
effective
personalized
treatment
strategies.
Journal of Translational Medicine,
Год журнала:
2025,
Номер
23(1)
Опубликована: Янв. 30, 2025
HER2-targeted
therapies
have
revolutionized
the
treatment
of
HER2-positive
breast
cancer
patients,
leading
to
significant
improvements
in
tumor
response
rates
and
survival.
However,
resistance
incomplete
remain
considerable
challenges.
Proprotein
convertase
subtilisin/kexin
type
9
(PCSK9)
inhibition
is
a
novel
therapeutic
strategy
for
management
dyslipidemia
by
enhancing
clearance
low-density
lipoprotein
cholesterol
receptors,
however
recent
evidence
also
shows
links
between
PCSK9
cells.
We
present
an
innovative
immunization
approach
combining
capsid
virus-like
particle
(cVLP)-based
vaccines
against
HER2
PCSK9.
The
activity
combined
vaccine
was
evaluated
female
mice
challenged
with
mammary
carcinoma
Controls
included
untreated
treated
cVLP-PCSK9
cVLP-HER2
as
standalone
therapies.
Antibodies
elicited
vaccinations
were
detected
through
ELISA
immunoassay.
functional
antibodies
tested
3D-soft
agar
assay
on
human
+
trastuzumab
sensitive
resistant
Mice
vaccinated
displayed
regression
from
40th
day
after
cell
challenge
100%
remaining
tumor-free
even
4
months
later.
In
contrast,
83%
alone
experienced
initial
regression,
followed
relapse
60%
subjects.
Untreated
developed
progressive
tumors
within
1–2
injection.
strong
anti-human
antibody
responses
(reaching
mg/ml
range)
comprising
multiple
immunoglobulins
isotypes.
anti-PCSK9
responses,
resulting
marked
reduction
serum
levels.
Although
reduced
when
co-administered
cVLP-HER2,
it
remained
significant.
Moreover,
both
induced
anti-HER2
able
inhibit
3D
growth
BT-474
trastuzumab-resistant
C5
Strikingly,
vaccination
more
effective
than
those
results
indicate
that
adjuvant
vaccine,
its
efficacy
holding
promise
overcoming
challenges
posed
therapy.
PeerJ,
Год журнала:
2024,
Номер
12, С. e18018 - e18018
Опубликована: Сен. 10, 2024
Background
Although
CA19-9
is
an
essential
blood
biomarker
of
pancreatic
cancer
(PC),
its
sensitivity
and
specificity
are
limited
for
early
detection.
Methods
We
analyzed
the
serum
proprotein
convertase
subtilisin/kexin
type
9
(sPCSK9)
in
PC
patients,
benign
disease
groups
(BDG),
healthy
controls
(HC)
by
ELISA.
Results
Consistently,
sPCSK9
was
considerably
lower
patients
than
HC
(Z
=
−2.546,
P
<
0.05),
statistically
significantly
higher
BDG
−5.457,
0.001).
linked
to
invasion
lymph
nodes
(χ
2
6.846,
0.01).
According
ROC
curves,
combining
with
could
potentially
enhance
diagnostic
capability
early-stage
patients.
Furthermore,
low
group
(
n
41)
exhibited
prolonged
overall
survival
compared
high
15),
median
times
27
months
(95%
CI
[17.59–36.41])
11
[7.21–14.79]),
respectively
0.022).
Conclusion
The
performance
be
improved
CA19-9.
Moreover,
has
a
shorter
rate.