Circulation,
Год журнала:
2019,
Номер
141(2), С. 124 - 131
Опубликована: Ноя. 11, 2019
Clonal
hematopoiesis
of
indeterminate
potential
(CHIP)
refers
to
clonal
expansion
hematopoietic
stem
cells
attributable
acquired
leukemic
mutations
in
genes
such
as
New England Journal of Medicine,
Год журнала:
2017,
Номер
377(12), С. 1119 - 1131
Опубликована: Авг. 27, 2017
Experimental
and
clinical
data
suggest
that
reducing
inflammation
without
affecting
lipid
levels
may
reduce
the
risk
of
cardiovascular
disease.
Yet,
inflammatory
hypothesis
atherothrombosis
has
remained
unproved.We
conducted
a
randomized,
double-blind
trial
canakinumab,
therapeutic
monoclonal
antibody
targeting
interleukin-1β,
involving
10,061
patients
with
previous
myocardial
infarction
high-sensitivity
C-reactive
protein
level
2
mg
or
more
per
liter.
The
compared
three
doses
canakinumab
(50
mg,
150
300
administered
subcutaneously
every
3
months)
placebo.
primary
efficacy
end
point
was
nonfatal
infarction,
stroke,
death.At
48
months,
median
reduction
from
baseline
in
26
percentage
points
greater
group
received
50-mg
dose
37
150-mg
group,
41
300-mg
than
placebo
group.
Canakinumab
did
not
baseline.
At
follow-up
3.7
years,
incidence
rate
for
4.50
events
100
person-years
4.11
3.86
3.90
hazard
ratios
as
were
follows:
0.93
(95%
confidence
interval
[CI],
0.80
to
1.07;
P=0.30);
0.85
CI,
0.74
0.98;
P=0.021);
0.86
0.75
0.99;
P=0.031).
dose,
but
other
doses,
met
prespecified
multiplicity-adjusted
threshold
statistical
significance
secondary
additionally
included
hospitalization
unstable
angina
led
urgent
revascularization
(hazard
ratio
vs.
placebo,
0.83;
95%
0.73
0.95;
P=0.005).
associated
higher
fatal
infection
There
no
significant
difference
all-cause
mortality
all
0.94;
0.83
1.06;
P=0.31).Antiinflammatory
therapy
interleukin-1β
innate
immunity
pathway
at
months
significantly
lower
recurrent
independent
lipid-level
lowering.
(Funded
by
Novartis;
CANTOS
ClinicalTrials.gov
number,
NCT01327846
.).
New England Journal of Medicine,
Год журнала:
2017,
Номер
377(2), С. 111 - 121
Опубликована: Июнь 21, 2017
Clonal
hematopoiesis
of
indeterminate
potential
(CHIP),
which
is
defined
as
the
presence
an
expanded
somatic
blood-cell
clone
in
persons
without
other
hematologic
abnormalities,
common
among
older
and
associated
with
increased
risk
cancer.
We
previously
found
preliminary
evidence
for
association
between
CHIP
atherosclerotic
cardiovascular
disease,
but
nature
this
was
unclear.
As
people
age,
their
tissues
accumulate
an
increasing
number
of
somatic
mutations.
Although
most
these
mutations
are
little
or
no
functional
consequence,
a
mutation
may
arise
that
confers
fitness
advantage
on
cell.
When
this
process
happens
in
the
hematopoietic
system,
substantial
proportion
circulating
blood
cells
derive
from
single
mutated
stem
This
outgrowth,
called
"clonal
hematopoiesis,"
is
highly
prevalent
elderly
population.
Here
we
discuss
recent
advances
our
knowledge
clonal
hematopoiesis,
its
relationship
to
malignancies,
link
nonmalignant
diseases
aging,
and
potential
impact
immune
function.
Clonal
hematopoiesis
provides
glimpse
into
selection
likely
occurs
all
tissues.