Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Sept. 21, 2022
Abstract
Introduction
:
Viruses
are
the
most
abundant
components
of
human
gut
microbiome
with
a
significant
impact
on
health
and
disease.
The
immunodeficiency
virus
(HIV)
infection
virome
has
been
scarcely
analysed
several
studies
suggested
that
integrase
strand
transfers
inhibitors
(INSTIs)
associated
healthier
gut.
Thus,
objective
this
work
was
to
evaluate
effects
HIV
INSTIs
composition.
Methods
26
non-HIV-infected
volunteers,
15
naive
HIV-infected
patients
INSTIs-treated
were
recruited
their
composition
using
shotgun
sequencing.
Results
Bacteriophages
diverse
viruses
in
accompanied
by
decrease
phage
richness
which
reverted
after
INSTIs-based
treatment.
β-diversity
phages
revealed
samples
from
clustered
separately
those
belonging
control
group.
Differential
analysis
showed
an
increase
Caudoviricetes
class
group
Malgrandaviricetes
compared
Besides,
it
observed
treatment
not
able
reverse
lysogenic
or
modify
relative
abundance
Proteobacteria-infecting
phages.
Conclusions
Our
study
describes
for
first
time
demonstrates
treatments
partially
restore
dysbiosis
at
viral
level,
opens
opportunities
new
focused
microbiota-based
therapies.
BMC Microbiology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Jan. 3, 2024
Abstract
Background
People
living
with
HIV
(PLWH)
chronic
inflammation
may
have
an
increasing
risk
for
coronavirus
disease
2019
(COVID-19)
severity;
however,
the
impact
of
their
gut
microbiota
on
COVID-19
is
not
fully
elucidated.
Here,
we
analyzed
temporal
changes
in
composition
hospitalized
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)-infected
PLWH
(PLWH-CoV)
and
correlation
severity.
Result
The
16S
rRNA
analysis
results
using
stool
samples
(along
timeline
from
onset)
12
PLWH-CoV,
whose
median
CD4
+
T
cell
count
was
671
cells/µl,
were
compared
to
those
19
healthy
people
25
PLWH.
Bacterial
diversity
PLWH-CoV
significantly
different
that
SARS-CoV-2
non-infected
PLWH,
but
a
significant
difference
observed
classification
according
Immediately
after
onset,
remarkable
changing
decrease
some
short-chain
fatty
acid-producing
bacteria
increase
colitis-related
pathobiont.
In
second
week
relative
amounts
specific
distinguished
between
One
month
dysbiosis
persisted,
number
Enterobacteriaceae,
mainly
Escherichia-Shigella
,
which
potentially
pathogenic,
increased
enriched
patients
who
developed
post-acute
sequelae
(PASC).
Conclusion
associated
infection
this
study
indicated
persistent
SCFA-producing
intestinal
environment
opportunistic
pathogens
enteritis.
This
report
demonstrates
tends
show
delayed
improvement
even
recovery,
highlights
importance
as
potential
factor
severity
PASC
Current Opinion in HIV and AIDS,
Journal Year:
2023,
Volume and Issue:
19(1), P. 14 - 20
Published: Nov. 6, 2023
Purpose
of
review
Antiretroviral
therapy
(ART)
has
long
been
implicated
in
fat
alterations
and
weight
variations
leading
to
cardiometabolic
consequences.
Recent
largely
prescribed
antiretrovirals
(ARVs)
from
the
integrase-strand-transfer-inhibitor
(INSTI)
class
have
associated
with
excessive
gain/obesity
a
minority
persons
HIV
(PWH).
As
well,
nucleoside
reverse
transcriptase
inhibitors
(NRTI)
class,
tenofovir-alafenamide
(TAF),
often
replacing
tenofovir-disoproxil-fumarate
(TDF),
gain,
worrying
concern
present
worldwide
obesogenic
environment.
The
respective
role
different
ARV,
risk
factors
mechanisms
remain
questionable.
findings
INSTIs
dolutegravir
(DTG)
bictegravir
(BIC)
TAF
proper
effect
on
while
efavirenz
(EFV)
TDF
inhibit
it.
These
effects
are
reported
ART-naïve
PWH,
addition
gain
resulting
return
health
process,
ART-controlled
PWH.
Also,
induce
adolescents
during
pregnancy.
additive.
Their
trajectory
differs.
Most
is
observed
initial
12-month
period.
main
low
CD4
+
high
viral
load
(VL)
Black
race
or
originating
some
African
countries
female
gender.
age
BMI
differs
between
studies.
reversibility
INSTI
appears
limited.
Regarding
mechanisms,
can
directly
alter
adipose
tissue
particular
through
inhibition
beiging,
fibrosis
hypertrophy.
Macrophage
infiltration
decreased.
explaining
opposite
elusive.
Summary
specific
impact
DTG,
BIC
PWH
confirmed
populations
independently
limiting
EFV
TDF.
ART-linked
uncommon.
origin
sex
that
need
be
considered.
better
understood
for
but
unknown
TDF/TAF.
when
stopping
remains
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(4), P. 951 - 951
Published: April 6, 2023
Antiretroviral
therapies
(ART)
are
strongly
associated
with
weight
gain
and
metabolic
syndrome
(MetS)
development
in
HIV-infected
patients.
Few
studies
have
evaluated
the
association
between
gut
microbiota
integrase
strand
transfer
inhibitor
(INSTI)-based
protease
(PI)-based
regimens
patients
MetS.
To
assess
this,
fecal
samples
were
obtained
from
treated
different
(16
PI
+
MetS
or
30
INSTI
MetS)
18
healthy
controls
(HCs).
The
microbial
composition
was
characterized
using
16S
rRNA
amplicon
sequencing.
INSTI-based
PI-based
a
significant
decrease
α-diversity
compared
to
HCs.
group
showed
lowest
both
regimens.
A
increase
abundance
of
short-chain
fatty
acid
(SCFA)-producing
genera
(Roseburia,
Dorea,
Ruminococcus
torques,
Coprococcus)
observed
group,
while
Prevotella,
Fusobacterium,
Succinivibrio
significantly
increased
group.
Moreover,
Proteobacteria/Firmicutes
ratio
overrepresented,
functional
pathways
related
biosynthesis
LPS
components
receiving
INSTIs
more
pronounced
dysbiosis
orchestrated
by
decreased
bacterial
richness
diversity,
an
almost
complete
absence
SCFA-producing
bacteria
alterations
pathways.
These
findings
not
been
previously
observed.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 1, 2024
Abstract
The
gut
and
oral
microbiome
is
altered
in
people
living
with
HIV
(PLWH).
While
antiretroviral
treatment
(ART)
pivotal
restoring
immune
function
PLWH,
several
studies
have
identified
an
association
between
specific
antiretrovirals,
particularly
integrase
inhibitors
(INSTI),
weight
gain.
In
our
study,
we
explored
the
differences
microbiota
of
PLWH
under
different
ART
regimens,
its
correlation
to
Body
Mass
Index
(BMI).
Fecal
salivary
samples
were
collected
from
(n
=
69)
healthy
controls
(HC,
n
80).
We
performed
taxonomy
analysis
determine
microbial
composition
relationship
abundance
BMI,
CD4
+
T-cell
count,
CD4/CD8
ratio,
duration.
showed
significantly
lower
richness
compared
HC
both
environment.
INSTI-treated
individuals
was
enriched
Faecalibacterium
Bifidobacterium
,
whereas
non-nucleotide
reverse
transcriptase
inhibitor
(NNRTI)-treated
Gordonibacter
Megasphaera,
Staphylococcus
.
microenvironment,
Veillonella
more
abundant
Fusobacterium
Alloprevotella
NNRTI-treated
individuals.
Furthermore,
Dorea
milieu
high
BMI.
Collectively,
findings
identify
distinct
profiles,
which
are
associated
regimens
BMI
on
successful
ART,
thereby
highlighting
significant
effects
antiretrovirals
microbiome.
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2025,
Volume and Issue:
15
Published: May 8, 2025
Specific
antiretroviral
therapy
(ART)
regimens
are
associated
with
weight
gain
in
people
living
HIV
(PLWH).
Gut
microbiota
is
involved
humans
and
animals.
Human
gut
can
be
classified
into
enterotypes
distinct
microbial
functional
profiles.
In
a
cohort
of
118
PLWH,
we
analyzed
the
microbiome
relation
to
ART
regimen
using
16S
rRNA
gene
sequencing,
taking
enterotype
classification
account.
The
was
strongly
sexual
orientation.
Of
67
individuals
forming
Prevotella-dominated
cluster
principal
coordinates
analysis,
93%
were
men
who
had
sex
(MSM),
while
31%
Bacteroides-dominated
MSM
69%
non-MSM.
Forty-nine
genera
differed
significantly
between
non-MSM
individuals.
When
stratified
by
dominant
genus,
only
six
taxa
gain.
these,
five
restricted
Among
them,
class
Actinobacteria
genus
Bifidobacterium
gaining
more
than
5%
less
1
year
after
switch.
Additionally,
three
different
15%
highest
(≥6.3%)
loss
(≤3.19%)
switch,
including
phyla
Firmicutes,
Verrucomicrobia,
Synergistetes.
Distinct
properties
Bacteroides,
but
not
individuals,
linked
observed,
particularly
for
glycan
lipid
metabolism.
regimen-associated
differences
observed
phylum
Actinobacteria,
although
this
limited
Differences
composition
characteristics
enterotype-specific
relatively
small
compared
Due
substantial
structure
among
many
MSM,
categorization
useful
identifying
variables
such
as
or
ART,
which
may
single
enterotype.
This
further
advance
identification
microbes
that
contribute
alter
context
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: Dec. 15, 2022
Abstract
Viruses
are
the
most
abundant
components
of
human
gut
microbiome
with
a
significant
impact
on
health
and
disease.
The
effects
immunodeficiency
virus
(HIV)
infection
virome
has
been
scarcely
analysed.
Several
studies
suggested
that
integrase
strand
transfers
inhibitors
(INSTIs)
associated
healthier
gut.
Thus,
objective
this
work
was
to
evaluate
HIV
INSTIs
composition.
26
non-HIV-infected
volunteers,
15
naive
HIV-infected
patients
INSTIs-treated
were
recruited
their
composition
analysed
using
shotgun
sequencing.
Bacteriophages
diverse
viruses
present
in
accompanied
by
decrease
phage
richness
which
reverted
after
INSTIs-based
treatment.
β-diversity
phages
revealed
samples
from
clustered
separately
those
belonging
control
group.
Differential
analysis
showed
an
increase
Caudoviricetes
class
group
Malgrandaviricetes
compared
Besides,
it
observed
treatment
not
able
reverse
lysogenic
or
modify
relative
abundance
Proteobacteria-infecting
phages.
Our
study
describes
for
first
time
demonstrates
treatments
partially
restore
dysbiosis
at
viral
level,
opens
several
opportunities
new
focused
microbiota-based
therapies.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: Dec. 14, 2023
Introduction
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD),
has
emerged
as
an
increasingly
recognized
problem
among
people
living
with
HIV
(PLWH).
The
gut-liver
axis
is
considered
to
be
strongly
implicated
in
the
pathogenesis
of
MASLD.
We
aimed
characterize
gut
microbiota
composition
PLWH
and
MASLD
compare
it
that
two
control
groups:
without
individuals
infection.
Methods
collected
clinical
data
stool
samples
from
participants.
Bacterial
16S
rRNA
genes
were
amplified,
sequenced,
clustered
into
operational
taxonomic
unit.
Alpha
diversity
was
studied
by
Shannon
Simpson
indexes.
To
study
how
different
between
groups,
beta
estimation
evaluated
principal
coordinate
analysis
(PCoA)
using
Bray-Curtis
dissimilarity.
further
analyze
differences
microbiome
we
performed
a
linear
discriminant
(LDA)
effect
size
(LEfSe).
Results
included
30
+
,
-
20
Major
butyrate
producers,
including
Faecalibacterium
Ruminococcus
Lachnospira
dominated
all
three
groups.
Shannon’s
Simpson’s
metrics
higher
(Kruskal-Wallis
p
=
0.047).
Beta
showed
distinct
clustering
participants
overlapping
regardless
status
(ADONIS
significance
<0.001).
associated
increased
homogeneity
across
individuals,
contrast
observed
HIV+NAFDL-
group,
which
dispersion
(Permanova
test,
value
<0.001;
ANOSIM,
but
not
determined
structure
(HIV
+MASLD-
vs.
q-value
0.002;
0.930;
<
0.001).
most
abundant
genera
MASLD-
Prevotella,
Bacteroides,
Dialister,
Acidaminococcos,
Alloprevotella
Catenibacterium
.
In
contrast,
enriched
MASLD+
Ruminococcus,
Streptococcus,
Holdemanella,
Blautia
Lactobacillus.
Conclusions
found
signature
linked
MASLD,
had
greater
influence
on
overall
than
alone.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(9), P. 4830 - 4830
Published: April 29, 2024
HIV
infection
results
in
marked
alterations
the
gut
microbiota
(GM),
such
as
loss
of
microbial
diversity
and
different
taxonomic
metabolic
profiles.
Despite
antiretroviral
therapy
(ART)
partially
ablating
gastrointestinal
alterations,
profile
after
successful
new
ART
has
shown
wide
variations.
Our
objective
was
to
determine
GM
composition
functions
people
living
with
(PLWHIV)
under
comparison
seronegative
controls
(SC).
Fecal
samples
from
21
subjects
(treated
integrase
strand-transfer
inhibitors,
INSTIs)
18
SC
were
included.
We
employed
16S
rRNA
amplicon
sequencing,
coupled
PICRUSt2
fecal
short-chain
fatty
acid
(SCFA)
quantification
by
gas
chromatography.
The
INSTI
group
showed
a
decreased
α-diversity
(p
<
0.001)
compared
group,
at
expense
increased
amounts
Pseudomonadota
(Proteobacteria),
Segatella
copri,
Lactobacillus,
Gram-negative
bacteria.
Concurrently,
we
observed
an
enrichment
Megasphaera
Butyricicoccus,
both
SCFA-producing
bacteria,
significant
elevations
butyrate
this
0.001).
Interestingly,
dysbiosis
PLWHIV
characterized
proinflammatory
environment
orchestrated
elevated
levels
associated
bacterial
pathways,
well
evident
presence
butyrogenic
role
unique
should
be
evaluated,
use
butyrate-based
supplements
regimens
that
contain
succinate,
tenofovir
disoproxil
succinate.
This
mixed
is
described
for
first
time
Mexico.
Anales de Pediatría (English Edition),
Journal Year:
2024,
Volume and Issue:
100(6), P. 404 - 411
Published: May 27, 2024
Growth
hormone
(GH)
and
insulin-like
growth
factor-1
(IGF-1)
have
modulatory
effects
on
bowel
function
its
microbiota.
Our
aim
was
to
investigate
whether
low
levels
of
GH
IGF-1
in
patients
with
deficiency
are
associated
changes
gut
physiology/integrity
as
well
the
composition