Signal Transduction and Targeted Therapy,
Год журнала:
2025,
Номер
10(1)
Опубликована: Янв. 7, 2025
Abstract
The
mucosal
immune
system,
as
the
most
extensive
peripheral
network,
serves
frontline
defense
against
a
myriad
of
microbial
and
dietary
antigens.
It
is
crucial
in
preventing
pathogen
invasion
establishing
tolerance.
A
comprehensive
understanding
immunity
essential
for
developing
treatments
that
can
effectively
target
diseases
at
their
entry
points,
thereby
minimizing
overall
impact
on
body.
Despite
its
importance,
our
knowledge
remains
incomplete,
necessitating
further
research.
outbreak
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
has
underscored
critical
role
disease
prevention
treatment.
This
systematic
review
focuses
dynamic
interactions
between
mucosa-associated
lymphoid
structures
related
diseases.
We
delve
into
basic
functions
these
tissues
during
processes
explore
intricate
regulatory
networks
mechanisms
involved.
Additionally,
we
summarize
novel
therapies
clinical
research
advances
immunity-related
also
addresses
challenges
vaccines,
which
aim
to
induce
specific
responses
while
maintaining
tolerance
non-pathogenic
microbes.
Innovative
therapies,
such
nanoparticle
vaccines
inhalable
antibodies,
show
promise
enhancing
offer
potential
improved
The
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
pandemic
has
highlighted
the
need
for
vaccines
that
not
only
prevent
disease
but
also
transmission.
Parenteral
induce
robust
systemic
immunity
poor
at
mucosa.
We
developed
a
vaccine
strategy
we
call
"prime
and
spike,"
which
leverages
existing
generated
by
primary
vaccination
(prime)
to
elicit
mucosal
immune
memory
within
tract
using
unadjuvanted
intranasal
spike
boosters
(spike).
show
prime
induces
resident
B
T
cell
responses,
immunoglobulin
A
mucosa,
boosts
immunity,
completely
protects
mice
with
partial
from
lethal
SARS-CoV-2
infection.
Using
divergent
proteins,
enables
induction
of
cross-reactive
against
sarbecoviruses.
Science,
Год журнала:
2022,
Номер
378(6620), С. 619 - 627
Опубликована: Окт. 20, 2022
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
Omicron
sublineages
carry
distinct
spike
mutations
resulting
in
escape
from
antibodies
induced
by
previous
infection
or
vaccination.
We
show
that
hybrid
immunity
vaccine
boosters
elicit
plasma-neutralizing
against
BA.1,
BA.2,
BA.2.12.1,
and
BA.4/5,
breakthrough
infections,
but
not
vaccination
alone,
induce
neutralizing
the
nasal
mucosa.
Consistent
with
immunological
imprinting,
most
derived
memory
B
cells
plasma
of
cases
cross-react
Wuhan-Hu-1,
BA.4/5
receptor-binding
domains,
whereas
primary
infections
narrow
specificity
up
to
6
months
after
infection.
Although
clinical
have
reduced
neutralization
Omicron,
we
identified
an
ultrapotent
pan-variant–neutralizing
antibody
is
a
strong
candidate
for
development.
Annual Review of Immunology,
Год журнала:
2023,
Номер
41(1), С. 343 - 373
Опубликована: Фев. 8, 2023
A
large
body
of
evidence
generated
in
the
last
two
and
a
half
years
addresses
roles
T
cells
SARS-CoV-2
infection
following
vaccination.
Infection
or
vaccination
induces
multi-epitope
CD4
CD8
cell
responses
with
polyfunctionality.
Early
have
been
associated
mild
COVID-19
outcomes.
In
concert
animal
model
data,
these
results
suggest
that
while
antibody
are
key
to
prevent
infection,
may
also
play
valuable
reducing
disease
severity
controlling
infection.
memory
after
is
sustained
for
at
least
six
months.
While
neutralizing
impacted
by
variants,
most
preserved.
This
review
highlights
extensive
progress
made,
data
knowledge
gaps
remain,
our
understanding
vaccines.
Cell Host & Microbe,
Год журнала:
2024,
Номер
32(3), С. 315 - 321.e3
Опубликована: Фев. 19, 2024
COVID-19
vaccines
have
recently
been
updated
to
specifically
encode
or
contain
the
spike
protein
of
SARS-CoV-2
XBB.1.5
subvariant,
but
their
immunogenicity
in
humans
has
yet
be
fully
evaluated
and
reported,
particularly
against
emergent
viruses
that
are
rapidly
expanding.
We
now
report
administration
an
monovalent
mRNA
vaccine
booster
(XBB.1.5
MV)
previously
uninfected
individuals
boosted
serum
virus-neutralizing
antibodies
significantly
not
only
(27.0-fold
increase)
EG.5.1
(27.6-fold
also
key
emerging
such
as
HV.1,
HK.3,
JD.1.1,
JN.1
(13.3-
27.4-fold
increase).
Individuals
infected
by
Omicron
subvariant
had
highest
overall
neutralizing
titers
(ID
The Journal of Experimental Medicine,
Год журнала:
2022,
Номер
219(10)
Опубликована: Авг. 16, 2022
Rapid
recognition
of
SARS-CoV-2-infected
cells
by
resident
T
in
the
upper
airway
might
provide
an
important
layer
protection
against
COVID-19.
Whether
parenteral
SARS-CoV-2
vaccination
or
infection
induces
nasal-resident
specific
for
distinct
proteins
is
unknown.
We
isolated
from
nasal
mucosa
COVID-19
vaccinees
who
either
experienced
after
(n
=
34)
not
16)
and
analyzed
their
phenotype,
specificity,
function,
persistence.
Nasal-resident
SARS-CoV-2-specific
CD8+
CD4+
were
detected
almost
exclusively
breakthrough
infection.
Importantly,
Spike-specific
primed
did
suppress
induction
other
proteins.
The
cell
responses
persisted
≥140
d,
with
minimal
sign
waning.
These
data
highlight
importance
viral
challenge
formation
antiviral
immunity
at
site
primary
further
define
immunological
features
hybrid
immunity.
Science Translational Medicine,
Год журнала:
2022,
Номер
14(662)
Опубликована: Сен. 14, 2022
Emergence
of
SARS-CoV-2
variants
concern
(VOCs),
including
the
highly
transmissible
Omicron
and
Delta
strains,
has
posed
constant
challenges
to
current
COVID-19
vaccines
that
principally
target
viral
spike
protein
(S).
Here,
we
report
a
nucleoside-modified
messenger
RNA
(mRNA)
vaccine
expresses
more
conserved
nucleoprotein
(mRNA-N)
show
mRNA-N
vaccination
alone
can
induce
modest
control
SARS-CoV-2.
Critically,
combining
with
clinically
proven
S-expressing
mRNA
(mRNA-S+N)
induced
robust
protection
against
both
variants.
In
hamster
models
VOC
challenge,
demonstrated
that,
compared
mRNA-S
alone,
combination
mRNA-S+N
not
only
in
lungs
but
also
provided
enhanced
upper
respiratory
tract.
vivo
CD8
Science Translational Medicine,
Год журнала:
2023,
Номер
15(709)
Опубликована: Авг. 16, 2023
An
inhalable
platform
for
messenger
RNA
(mRNA)
therapeutics
would
enable
minimally
invasive
and
lung-targeted
delivery
a
host
of
pulmonary
diseases.
Development
mRNA
has
been
limited
by
poor
transfection
efficiency
risk
vehicle-induced
pathology.
Here,
we
report
an
polymer-based
vehicle
therapeutic
mRNAs
to
the
lung.
We
optimized
biodegradable
poly(amine-
co
-ester)
(PACE)
polyplexes
using
end-group
modifications
polyethylene
glycol.
These
achieved
high
throughout
lung,
particularly
in
epithelial
antigen-presenting
cells.
applied
this
technology
develop
mucosal
vaccine
severe
acute
respiratory
syndrome
coronavirus
2
found
that
intranasal
vaccination
with
spike
protein–encoding
induced
potent
cellular
humoral
adaptive
immunity
protected
susceptible
mice
from
lethal
viral
challenge.
Together,
these
results
demonstrate
translational
potential
PACE
lungs.