Scientific Reports,
Journal Year:
2016,
Volume and Issue:
6(1)
Published: May 5, 2016
Abstract
Alterations
in
the
composition
of
commensal
bacterial
populations,
a
phenomenon
known
as
dysbiosis,
are
linked
to
multiple
gastrointestinal
disorders,
such
inflammatory
bowel
disease
and
irritable
syndrome,
or
infections
by
diverse
enteric
pathogens.
Blastocystis
is
one
most
common
single-celled
eukaryotes
detected
human
faecal
samples.
However,
clinical
significance
this
widespread
colonization
remains
unclear,
its
pathogenic
potential
controversial.
To
address
issue
pathogenicity,
we
investigated
impact
protist
on
gut
microbiota.
For
that
purpose,
conducted
cross-sectional
study
including
48
-colonized
patients
-free
subjects
performed
an
Ion
Torrent
16S
rDNA
gene
sequencing
decipher
-associated
Here,
report
higher
diversity
microbiota
colonized
patients,
abundance
Clostridia
well
lower
Enterobacteriaceae.
Our
results
contribute
suggesting
usually
associated
with
healthy
microbiota,
rather
than
dysbiosis
generally
observed
metabolic
infectious
diseases
tract.
Science Translational Medicine,
Journal Year:
2018,
Volume and Issue:
10(434)
Published: March 28, 2018
Commensal
bacterial
orthologs
of
the
human
autoantigen
Ro60
may
trigger
cross-reactive
T
and
B
cells
that
initiate
sustain
chronic
autoimmunity
in
lupus.
Applied and Environmental Microbiology,
Journal Year:
2017,
Volume and Issue:
84(4)
Published: Dec. 1, 2017
ABSTRACT
Gut
microbiota
dysbiosis
has
been
observed
in
a
number
of
autoimmune
diseases.
However,
the
role
gut
systemic
lupus
erythematosus
(SLE),
prototypical
disease
characterized
by
persistent
inflammation
multiple
organs
body,
remains
elusive.
Here
we
report
dynamics
murine
model,
NZB/W
F1,
as
well
intestinal
small
group
SLE
patients
with
active
disease.
The
composition
changed
markedly
before
and
after
onset
F1
mice,
greater
diversity
increased
representation
several
bacterial
species
progressed
from
predisease
stage
to
diseased
stage.
did
not
control
for
age
cage
effect.
Using
dexamethasone
an
intervention
treat
SLE-like
signs,
also
found
that
abundance
lactobacilli
(for
which
assignment
could
be
made)
might
correlated
more
severe
mice.
Results
human
study
suggest
that,
compared
subjects
without
immune-mediated
diseases,
possessed
altered
differed
particular
(within
genera
Odoribacter
Blautia
unnamed
genus
family
Rikenellaceae
)
was
less
diverse,
Gram-negative
bacteria.
Firmicutes
/
Bacteroidetes
ratios
differ
between
non-SLE
our
cohort.
IMPORTANCE
is
complex
no
known
cure.
Dysbiosis
reported
both
mice
humans
SLE.
In
this
emerging
field,
however,
studies
are
required
delineate
roles
different
lupus-prone
mouse
models
people
diverse
manifestations
Here,
changes
Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: April 22, 2021
The
intestinal
surface
is
constitutively
exposed
to
diverse
antigens,
such
as
food
food-borne
pathogens,
and
commensal
microbes.
Intestinal
epithelial
cells
have
developed
unique
barrier
functions
that
prevent
the
translocation
of
potentially
hostile
antigens
into
body.
Disruption
increases
permeability,
resulting
in
leaky
gut
syndrome
(LGS).
Clinical
reports
suggested
LGS
contributes
autoimmune
diseases
type
1
diabetes,
multiple
sclerosis,
rheumatoid
arthritis,
celiac
disease.
Furthermore,
microbiota
plays
a
critical
role
regulating
host
immunity;
abnormalities
microbial
community,
known
dysbiosis,
are
observed
patients
with
diseases.
However,
pathological
links
among
LGS,
not
been
fully
elucidated.
This
review
discusses
current
understanding
how
pathogenesis
by
modifying
barrier.
Scientific Reports,
Journal Year:
2016,
Volume and Issue:
6(1)
Published: May 5, 2016
Abstract
Alterations
in
the
composition
of
commensal
bacterial
populations,
a
phenomenon
known
as
dysbiosis,
are
linked
to
multiple
gastrointestinal
disorders,
such
inflammatory
bowel
disease
and
irritable
syndrome,
or
infections
by
diverse
enteric
pathogens.
Blastocystis
is
one
most
common
single-celled
eukaryotes
detected
human
faecal
samples.
However,
clinical
significance
this
widespread
colonization
remains
unclear,
its
pathogenic
potential
controversial.
To
address
issue
pathogenicity,
we
investigated
impact
protist
on
gut
microbiota.
For
that
purpose,
conducted
cross-sectional
study
including
48
-colonized
patients
-free
subjects
performed
an
Ion
Torrent
16S
rDNA
gene
sequencing
decipher
-associated
Here,
report
higher
diversity
microbiota
colonized
patients,
abundance
Clostridia
well
lower
Enterobacteriaceae.
Our
results
contribute
suggesting
usually
associated
with
healthy
microbiota,
rather
than
dysbiosis
generally
observed
metabolic
infectious
diseases
tract.