mRNA Vaccines Against COVID-19 as Trailblazers for Other Human Infectious Diseases
Vaccines,
Journal Year:
2024,
Volume and Issue:
12(12), P. 1418 - 1418
Published: Dec. 16, 2024
mRNA
vaccines
represent
a
milestone
in
the
history
of
vaccinology,
because
they
are
safe,
very
effective,
quick
and
cost-effective
to
produce,
easy
adapt
should
antigen
vary,
able
induce
humoral
cellular
immunity.
Methods:
To
date,
only
two
COVID-19
one
RSV
have
been
approved.
However,
several
currently
under
development
for
prevention
human
viral
(influenza,
immunodeficiency
virus
[HIV],
Epstein–Barr
virus,
cytomegalovirus,
Zika,
respiratory
syncytial
metapneumovirus/parainfluenza
3,
Chikungunya,
Nipah,
rabies,
varicella
zoster
herpes
simplex
1
2),
bacterial
(tuberculosis),
parasitic
(malaria)
diseases.
Results:
RNA
viruses,
such
as
severe
acute
syndrome
coronavirus
(SARS-CoV)-2,
HIV,
influenza,
characterized
by
high
variability,
thus
creating
need
rapidly
circulating
strain,
task
that
can
easily
accomplish;
however,
speed
variability
may
be
higher
than
time
needed
vaccine
adapted.
vaccines,
using
lipid
nanoparticles
delivery
system,
act
adjuvants,
powerfully
stimulating
innate
well
adaptive
immunity,
both
humoral,
which
is
waning,
cell-mediated,
highly
persistent.
Safety
profiles
were
satisfactory,
considering
slight
increase
prognostically
favorable
anaphylactic
reactions
young
females
myopericarditis
males
has
observed.
Conclusions:
The
pandemic
determined
shift
use
RNA:
after
having
used
medicine
micro-RNAs
tumor
new
era
anti-infectious
begun,
great
development,
either
improve
already
available,
but
unsatisfactory,
or
develop
protective
against
infectious
agents
no
preventative
tools
realized
yet.
Language: Английский
Diverse priming outcomes under conditions of very rare precursor B cells
Immunity,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Precise targeting of HIV broadly neutralizing antibody precursors in humans
Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 15, 2025
A
protective
HIV
vaccine
will
need
to
induce
broadly
neutralizing
antibodies
(bnAbs)
in
humans,
but
priming
rare
bnAb
precursor
B
cells
has
been
challenging.
In
a
double-blinded,
placebo-controlled
phase
1
human
clinical
trial,
the
recombinant,
germline-targeting
envelope
glycoprotein
(Env)
trimer
BG505
SOSIP.v4.1-GT1.1,
adjuvanted
with
AS01
,
induced
precursors
of
VRC01-class
at
high
frequency
majority
recipients.
These
precursors,
that
target
CD4
receptor
binding
site,
had
undergone
somatic
hypermutation
characteristic
VRC01-class.
subset
isolated
monoclonal
neutralized
wild-type
pseudoviruses
and
was
structurally
extremely
similar
VRC01.
results
further
support
approaches
for
design
demonstrate
atomic-level
manipulation
cell
responses
rational
design.
Language: Английский
Beyond glycan barriers: non-cognate ligands and protein mimicry approaches to elicit broadly neutralizing antibodies for HIV-1
Journal of Biomedical Science,
Journal Year:
2024,
Volume and Issue:
31(1)
Published: Aug. 21, 2024
Abstract
Human
immunodeficiency
virus
type
1
(HIV-1)
vaccine
immunogens
capable
of
inducing
broadly
neutralizing
antibodies
(bNAbs)
remain
obscure.
HIV-1
evades
immune
responses
through
enormous
diversity
and
hides
its
conserved
vulnerable
epitopes
on
the
envelope
glycoprotein
(Env)
by
displaying
an
extensive
immunodominant
glycan
shield.
In
elite
viremic
controllers,
glycan-dependent
bNAbs
targeting
Env
have
been
isolated
are
utilized
as
design
templates.
However,
immunological
tolerance
mechanisms
limit
development
these
in
general
population.
The
well
characterized
monoclonal
variants
frequently
exhibit
levels
somatic
hypermutation,
a
long
third
heavy
chain
complementary
determining
region,
or
short
light
complementarity
some
poly-reactivity
to
autoantigens.
This
review
elaborates
obstacles
engaging
manipulating
effective
immunogen
describes
alternative
reverse
vaccinology
approach
develop
novel
category
bNAb-epitope-derived
non-cognate
for
design.
Graphical
Language: Английский
The XbnAb Cohort: 304 people with broadly neutralizing antibody activity to HIV-1
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 16, 2024
Abstract
Broadly
neutralizing
antibodies
(bnAbs)
recognizing
a
diversity
of
HIV-1
strains
are
widely
thought
to
be
essential
for
an
vaccine.
Extensive
knowledge
on
bnAbs
has
been
gained
from
studying
natural
HIV
infection
by
following
bnAb
evolution
in
individual
people
with
(PWH).
However,
it
remains
increase
responses
large
PWH
cohorts
assess
the
feasibility
inducing
activity
vaccination.
To
allow
systematic
analysis,
we
created
XbnAb
cohort,
bnAb-inducer
cohort
selected
screening
plasma
enrolled
Swiss
Cohort
Study
(SHCS)
and
Zurich
Primary
Infection
(ZPHI).
The
represents
retrospective,
biobank-based
comprising
data
304
who
developed
during
infection.
Here,
report
characteristics
its
potential
vaccine
research.
Language: Английский
Diverse priming outcomes under conditions of very rare precursor B cells
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 22, 2024
SUMMARY
Rare
B
cells
can
have
special
pathogen-recognition
features
giving
them
the
potential
to
make
outsized
contributions
protective
immunity.
However,
rare
naive
infrequently
participate
in
immune
responses.
We
investigated
how
germline-targeting
vaccine
antigen
delivery
and
adjuvant
selection
affect
priming
of
exceptionally
BG18-like
HIV
broadly
neutralizing
antibody-precursor
(~1
50
million)
non-human
primates.
Only
escalating
dose
(ED)
immunization
using
saponin
SMNP
elicited
detectable
germinal
centers
(GCs).
All
groups
had
strong
GC
responses,
but
only
ED+SMNP
bolus+SMNP
induced
memory
>50%
animals.
One
group
vaccine-specific
responses
equivalent
ED+SMNP,
were
rarely
detected.
Following
homologous
boosting,
more
frequent
a
bolus
group,
lower
somatic
hypermutation
affinities.
This
outcome
was
inversely
associated
with
post-prime
antibody
titers,
suggesting
feedback
significantly
influence
precursor
cell
Language: Английский
Vorbeugen mit Pille oder Spritze
Nachrichten aus der Chemie,
Journal Year:
2024,
Volume and Issue:
72(12), P. 53 - 55
Published: Dec. 1, 2024
Abstract
Wirkstoffe,
mit
denen
Aids
behandelt
wird,
verhindern
die
Krankheit,
wenn
sie
prophylaktisch
geschluckt
oder
gespritzt
werden.
Dies
könnte
Bekämpfung
der
Epidemie
revolutionieren
–
zumindest,
Mittel
zuverlässig
verfügbar
sind
und
auch
so
genutzt