Immunity,
Journal Year:
2020,
Volume and Issue:
53(5), P. 908 - 924
Published: Nov. 1, 2020
Understanding
the
earliest
immune
responses
following
HIV
infection
is
critical
to
inform
future
vaccines
and
therapeutics.
Here,
we
review
recent
prospective
human
studies
in
at-risk
populations
that
have
provided
insight
into
during
acute
infection,
including
additional
relevant
data
from
non-human
primate
(NHP)
studies.
We
discuss
timing,
nature,
function
of
diverse
induced,
onset
dysfunction,
effects
early
anti-retroviral
therapy
administration.
Treatment
at
viremia
mitigates
peripheral
T
B
cell
limits
seroconversion,
enhances
cellular
antiviral
immunity
despite
persistence
lymphoid
tissues.
highlight
pertinent
areas
for
investigation,
how
application
high-throughput
technologies,
alongside
targeted
NHP
studies,
may
elucidate
response
features
target
novel
preventions
cures.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: March 9, 2023
In
recent
years,
there
has
been
a
tremendous
development
of
biotechnological,
pharmacological,
and
medical
techniques
which
can
be
implemented
in
the
functional
modulation
immune
system
components.
Immunomodulation
attracted
much
attention
because
it
offers
direct
applications
both
basic
research
clinical
therapy.
Modulation
non-adequate,
amplified
response
enables
to
attenuate
course
disease
restore
homeostasis.
The
potential
targets
modulate
immunity
are
as
multiple
components
system,
thus
creating
various
possibilities
for
intervention.
However,
immunomodulation
faces
new
challenges
design
safer
more
efficacious
therapeutic
compounds.
This
review
cross-sectional
picture
currently
used
newest
pharmacological
interventions,
genomic
editing,
tools
regenerative
medicine
involving
immunomodulation.
We
reviewed
available
experimental
evidence
prove
efficiency,
safety,
feasibility
vitro
vivo.
also
advantages
limitations
described
techniques.
Despite
its
limitations,
is
considered
therapy
itself
or
an
adjunct
with
promising
results
developing
potential.
Proceedings of the National Academy of Sciences,
Journal Year:
2017,
Volume and Issue:
114(4)
Published: Jan. 9, 2017
Significance
Effective
prevention
strategies
are
urgently
needed
to
control
the
spread
of
HIV-1.
A
critical
barrier
developing
such
is
lack
understanding
host
antiviral
defenses
that
HIV-1
replication
in
mucosa
at
site
entry.
Here,
we
characterized
viruses
from
matched
donor
and
recipient
pairs
determine
whether
transmitted
strains
exhibit
traits
increase
their
transmission
fitness.
Characterizing
300
limiting
dilution-derived
isolates,
identified
several
properties
enhance
virus
face
a
vigorous
innate
immune
response,
which
resistance
type
1
IFNs
most
important.
These
results
provide
new
insights
into
process
define
possible
targets
for
AIDS
therapy.
TRIM5
proteins
are
restriction
factors
that
block
retroviral
infections
by
binding
viral
capsids
and
preventing
reverse
transcription.
Capsid
recognition
is
mediated
C-terminal
domains
on
TRIM5α
(SPRY)
or
TRIMCyp
(cyclophilin
A),
which
interact
weakly
with
capsids.
Efficient
capsid
also
requires
the
conserved
N-terminal
tripartite
motifs
(TRIM),
mediate
oligomerization
create
avidity
effects.
To
characterize
how
recognize
capsids,
we
developed
methods
for
isolating
native
recombinant
purifying
stable
HIV-1
Biochemical
EM
analyses
revealed
assembled
into
hexagonal
nets,
both
alone
surfaces.
These
nets
comprised
open
hexameric
rings,
SPRY
centered
edges
B-box
RING
at
vertices.
Thus,
principles
of
assembly
pattern
across
primates,
allowing
assemblies
to
maintain
conformational
plasticity
necessary
divergent
pleomorphic
Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: May 13, 2019
Abstract
Pathogens
face
varying
microenvironments
in
vivo,
but
suitable
experimental
systems
and
analysis
tools
to
dissect
how
three-dimensional
(3D)
tissue
environments
impact
pathogen
spread
are
lacking.
Here
we
develop
an
Integrative
method
Study
Pathogen
by
Experiment
Computation
within
Tissue-like
3D
cultures
(INSPECT-3D),
combining
quantification
of
replication
with
imaging
study
single-cell
cell
population
dynamics.
We
apply
INSPECT-3D
analyze
HIV-1
between
primary
human
CD4
T-lymphocytes
using
collagen
as
tissue-like
3D-scaffold.
Measurements
virus
replication,
infectivity,
diffusion,
cellular
motility
interactions
combined
mathematical
analyses
into
integrated
spatial
infection
model
estimate
parameters
governing
spread.
This
reveals
that
environmental
restrictions
limit
cell-free
virions
promote
cell-associated
transmission.
Experimental
validation
identifies
density
essential
determinants
efficacy
mode
3D.
represents
adaptable
for
quantitative
time-resolved