Frontiers in Cellular and Infection Microbiology,
Journal Year:
2021,
Volume and Issue:
11
Published: Dec. 13, 2021
Colorectal
cancer
(CRC)
is
a
heterogeneous
disease
that
commonly
affects
individuals
aged
more
than
50
years
old
globally.
Regular
colorectal
screening,
which
recommended
for
and
above,
has
decreased
the
number
of
death
toll
over
years.
However,
CRC
incidence
increased
among
younger
population
(below
old).
Environmental
factors,
such
as
smoking,
dietary
factor,
urbanization,
sedentary
lifestyle,
obesity,
may
contribute
to
rising
trend
early-onset
(EOCRC)
because
lack
genetic
susceptibility.
Research
focused
on
role
gut
microbiota
its
interaction
with
epithelial
barrier
genes
in
sporadic
CRC.
Population
consumption
grain
vegetables
showed
high
abundance
Prevotella
,
reduces
risk
Microbes,
Fusobacterium
nucleatum
Bacteroides
fragilis
Escherichia
coli
deteriorate
intestinal
barrier,
leads
infiltration
inflammatory
mediators
chemokines.
Gut
dysbiosis
also
occur
following
inflammation
clearly
observed
animal
model.
Both
pre-
or
post-inflammatory
process
cause
major
alteration
morphology
functional
properties
tissue
explain
pathological
outcome
EOCRC.
The
precise
mechanism
progression
from
an
early
stage
until
establishment
not
fully
understood.
We
hypothesized
dysbiosis,
be
influenced
by
environmental
induce
changes
genome,
metabolome,
immunome
could
destruct
function.
Also,
possible
underlying
give
impact
microbial
community
leading
disruption
physical
barrier.
This
review
explains
potential
host
microenvironment,
microbiota,
provide
answer
Cancers,
Journal Year:
2021,
Volume and Issue:
13(9), P. 2125 - 2125
Published: April 28, 2021
The
transcription
factor
p53
functions
as
a
critical
tumor
suppressor
by
orchestrating
plethora
of
cellular
responses
such
DNA
repair,
cell
cycle
arrest,
senescence,
death,
differentiation,
and
metabolism.
In
unstressed
cells,
levels
are
kept
low
due
to
its
polyubiquitination
the
E3
ubiquitin
ligase
MDM2.
response
various
stress
signals,
including
damage
aberrant
growth
interaction
between
MDM2
is
blocked
becomes
stabilized,
allowing
regulate
diverse
set
mainly
through
transactivation
target
genes.
outcome
activation
controlled
dynamics,
interactions
with
other
proteins,
post-translational
modifications.
Due
involvement
in
several
tumor-suppressing
pathways,
function
frequently
impaired
human
cancers.
colorectal
cancer
(CRC),
TP53
gene
mutated
43%
tumors,
remaining
tumors
often
have
compromised
functioning
because
alterations
genes
encoding
proteins
involved
regulation,
ATM
(13%)
or
DNA-PKcs
(11%).
mutations
CRC
usually
missense
that
impair
wild-type
(loss-of-function)
even
might
provide
neo-morphic
(gain-of-function)
activities
promoting
stemness,
proliferation,
invasion,
metastasis,
thereby
progression.
Although
first
compounds
targeting
clinical
trials,
better
understanding
mutant
will
likely
pave
way
for
novel
therapies.
Gut,
Journal Year:
2021,
Volume and Issue:
70(12), P. 2330 - 2336
Published: May 6, 2021
Objective
Sugar-sweetened
beverage
(SSB)
consumption
had
substantially
increased
across
successive
US
birth
cohorts
until
2000,
and
adolescents
young
adults
under
age
50
years
have
the
highest
consumption.
However,
link
between
SSBs
early-onset
colorectal
cancer
(EO-CRC)
remains
unexamined.
Design
In
Nurses’
Health
Study
II
(1991–2015),
we
prospectively
investigated
association
of
SSB
intake
in
adulthood
adolescence
with
EO-CRC
risk
among
95
464
women
who
reported
using
validated
food
frequency
questionnaires
(FFQs)
every
4
years.
A
subset
41
272
participants
at
13–18
a
high
school-FFQ
1998.
Cox
proportional
hazards
models
were
used
to
estimate
relative
risks
(RRs)
95%
CIs.
Results
We
documented
109
cases.
Compared
individuals
consumed
<1
serving/week
adulthood,
≥2
servings/day
more
than
doubled
(RR
2.18;
CI
1.10
4.35;
p
trend
=0.02),
16%
higher
1.16;
1.00
1.36)
per
serving/day
increase.
Each
increment
was
associated
32%
1.32;
1.75).
Replacing
each
that
artificially
sweetened
beverages,
coffee,
reduced
fat
milk
or
total
17%–36%
lower
EO-CRC.
Conclusion
Higher
women.
Reduction
may
serve
as
potential
strategy
alleviate
growing
burden
Gut,
Journal Year:
2022,
Volume and Issue:
72(6), P. 1129 - 1142
Published: Aug. 11, 2022
Objective
The
incidence
of
early-onset
colorectal
cancer
(EO-CRC)
is
steadily
increasing.
Here,
we
aimed
to
characterise
the
interactions
between
gut
microbiome,
metabolites
and
microbial
enzymes
in
EO-CRC
patients
evaluate
their
potential
as
non-invasive
biomarkers
for
EO-CRC.
Design
We
performed
metagenomic
metabolomic
analyses,
identified
multiomics
markers
constructed
CRC
classifiers
discovery
cohort
with
130
late-onset
(LO-CRC),
114
subjects
age-matched
healthy
controls
(97
LO-Control
100
EO-Control).
An
independent
38
LO-CRC,
24
EO-CRC,
22
LO-Controls
EO-Controls
was
analysed
validate
results.
Results
Compared
controls,
reduced
alpha-diversity
apparent
both,
LO-CRC
subjects.
Although
common
variations
existed,
integrative
analyses
distinct
microbiome–metabolome
associations
Fusobacterium
nucleatum
enrichment
short-chain
fatty
acid
depletion,
including
GABA
biosynthesis
a
shift
acetate/acetaldehyde
metabolism
towards
acetyl-CoA
production
characterises
LO-CRC.
In
comparison,
signatures
tended
be
associated
enriched
Flavonifractor
plauti
increased
tryptophan,
bile
choline
metabolism.
Notably,
elevated
red
meat
intake-related
species,
KEGG
orthology
(KO)
pldB
cbh
gene
axis
may
tumour
stimulators
predictive
model
based
on
metagenomic,
KO
achieved
powerful
classification
performance
distinguishing
from
controls.
Conclusion
Our
large-sample
data
suggest
that
altered
interplay
helps
explain
pathogenesis
microbiome-derived
promising
tools
could
used
accurate
detection
distinction
individuals
BMJ Oncology,
Journal Year:
2023,
Volume and Issue:
2(1), P. e000049 - e000049
Published: July 1, 2023
This
study
aimed
to
explore
the
global
burden
of
early-onset
cancer
based
on
Global
Burden
Disease
(GBD)
2019
for
29
cancers
worldwid.
Incidence,
deaths,
disability-adjusted
life
years
(DALYs)
and
risk
factors
groups
were
obtained
from
GBD.
incidence
increased
by
79.1%
number
deaths
27.7%
between
1990
2019.
Early-onset
breast,
tracheal,
bronchus
lung,
stomach
colorectal
showed
highest
mortality
DALYs
in
Globally,
rates
nasopharyngeal
prostate
fastest
increasing
trend,
whereas
liver
sharpest
decrease.
had
high
within
top
five
ranking
both
men
women.
High-middle
middle
Sociodemographic
Index
(SDI)
regions
cancer.
The
morbidity
with
SDI,
rate
decreased
considerably
when
SDI
0.7
1.
projections
indicated
that
would
increase
31%
21%
2030,
respectively.
Dietary
(diet
red
meat,
low
fruits,
sodium
milk,
etc),
alcohol
consumption
tobacco
use
are
main
underlying
cancers.
continues
worldwide
notable
variances
areas,
countries,
sex
types.
Encouraging
a
healthy
lifestyle
could
reduce
disease
burden.
JAMA Network Open,
Journal Year:
2023,
Volume and Issue:
6(8), P. e2328171 - e2328171
Published: Aug. 16, 2023
Emerging
data
suggest
that
the
incidence
of
early-onset
cancers,
defined
as
cancers
diagnosed
in
people
younger
than
50
years,
is
increasing,
but
updated
are
limited.To
characterize
patterns
US
from
2010
to
2019
and
provide
granular
on
with
fastest-growing
rates.This
population-based
cohort
study
analyzed
17
National
Cancer
Institute
Surveillance,
Epidemiology,
End
Results
registries
January
1,
2010,
December
31,
2019.
Age-standardized
rates
per
100
000
were
extracted
for
age
adjusted
standard
population.
A
total
562
145
patients
cancer
between
identified
included.
Data
October
16,
2022,
May
23,
2023.Primary
outcomes
descriptive
epidemiological
years
cancer.
The
annual
percentage
change
(APC)
age-standardized
rate
was
estimated
using
Joinpoint
regression
program.Among
(324
138
[57.7%]
aged
40-49
years;
351
120
[62.5%]
female)
cancer,
4565
(0.8%)
American
Indian
or
Alaska
Native,
54
876
(9.8%)
Asian
Pacific
Islander,
61
048
(10.9%)
Black,
118
099
(21.0%)
Hispanic,
314
610
(56.0%)
White,
8947
(1.6%)
unknown
race
and/or
ethnicity.
From
2019,
increased
overall
(APC,
0.28%;
95%
CI,
0.09%-0.47%;
P
=
.01)
female
individuals
0.67%;
0.39%-0.94%;
.001)
decreased
male
-0.37%;
-0.51%
-0.22%;
<
.001).
In
contrast,
older
over
period
-0.87%;
-1.06%
-0.67%;
highest
number
incident
cases
breast
(n
12
649).
gastrointestinal
had
among
all
groups
2.16%;
1.66%-2.67%;
Among
those
appendix
15.61%;
9.21%-22.38%;
.001),
intrahepatic
bile
duct
8.12%;
4.94%-11.39%;
pancreas
2.53%;
1.69%-3.38%;
.001).In
this
study,
Although
cases,
cancers.
These
may
be
useful
development
surveillance
strategies
funding
priorities.