Vaccines,
Journal Year:
2024,
Volume and Issue:
12(12), P. 1337 - 1337
Published: Nov. 27, 2024
Outbreaks
of
avian
pathogens
such
as
Newcastle
disease
virus,
influenza
and
salmonella
have
a
major
impact
on
economies
food
security
worldwide.
Some
also
pose
significant
zoonotic
potential,
especially
viruses.
Vaccination
plays
key
role
in
controlling
many
poultry
diseases,
there
are
vaccines
licenced
the
United
Kingdom
for
diseases
caused
by
viruses,
bacteria,
parasites.
However,
these
often
do
not
provide
complete
protection
can
cause
unwanted
side
effects.
Several
factors
affect
potency
vaccines,
including
type
vaccination
used,
mechanism
delivery,
use
adjuvants.
Advancements
technology
led
to
study
development
novel
vaccine
adjuvants
poultry.
These
induce
stronger
immune
responses
compared
with
current
potential
protect
against
multiple
diseases.
This
review
aims
discuss
existing
technology;
effect
delivery
mechanisms
efficacy;
adjuvants;
ability
target
antigens
antigen-presenting
cells;
probiotics,
multivalent
nanotechnology
enhance
vaccines.
Vaccines,
Journal Year:
2025,
Volume and Issue:
13(2), P. 126 - 126
Published: Jan. 27, 2025
Infectious
diseases
continue
to
pose
a
significant
global
health
threat.
To
combat
these
challenges,
innovative
vaccine
technologies
are
urgently
needed.
Nanoparticles
(NPs)
have
unique
properties
and
emerged
as
promising
platform
for
developing
next-generation
vaccines.
revolutionizing
the
field
of
development,
offering
new
era
immunization.
They
allow
creation
more
effective,
stable,
easily
deliverable
Various
types
NPs,
including
lipid,
polymeric,
metal,
virus-like
particles,
can
be
employed
encapsulate
deliver
components,
such
mRNA
or
protein
antigens.
These
NPs
protect
antigens
from
degradation,
target
them
specific
immune
cells,
enhance
antigen
presentation,
leading
robust
durable
responses.
Additionally,
simultaneously
multiple
antigens,
adjuvants,
in
single
formulation,
simplifying
production
administration.
Nanovaccines
offer
approach
food-
water-borne
bacterial
diseases,
surpassing
traditional
formulations.
Further
research
is
needed
address
burden
infections.
This
review
highlights
potential
revolutionize
platforms.
We
explore
their
mechanisms
action,
current
applications,
emerging
trends.
The
discusses
limitations
nanovaccines,
solutions
role
artificial
intelligence
effective
accessible
nanovaccines
infectious
diseases.
Vaccines,
Journal Year:
2025,
Volume and Issue:
13(2), P. 139 - 139
Published: Jan. 28, 2025
Background/Objectives:
Nanovaccines
have
significant
potential
to
enhance
immunization
strategies
by
improving
efficacy,
safety,
and
cost-effectiveness.
In
particular,
organic
nanoparticles
hold
promise
for
the
generation
of
low-cost
nanovaccines
obtained
environmentally
friendly
methods.
this
study,
feasibility
using
zein
(NPs)
as
carriers
an
antigenic
peptide
(p30)
receptor
binding
domain
(RBD)
from
SARS-CoV-2
spike
protein
was
explored.
Methods:
A
synthesis
method
NPs
established
combining
previously
reported
techniques,
resulting
were
characterized
in
terms
morphology,
particle
size,
polydispersity
index
(PDI),
surface
charge,
colloidal
stability
dynamic
light
scattering
(DLS)
transmission
electron
microscopy
(TEM).
Tween
20
employed
a
surfactant
prevent
aggregation.
Results:
The
deemed
safe
based
on
vitro
cytotoxicity
assay
Vero
cells.
Immunogenicity
assessments
demonstrated
that
NPs:p30
NPs:RBD
induced
IgG
responses
test
mice,
whose
magnitude
comparable
those
achieved
with
alum
adjuvant.
Conclusions:
These
findings
support
use
promising
vaccine
delivery
vehicles
adjuvant
effects
due
their
ease
synthesis,
high
stability,
low
cost.
Cancer Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Despite
significant
advancements
in
cancer
treatment,
current
therapies
often
fail
to
completely
eradicate
malignant
cells.
This
shortfall
underscores
the
urgent
need
explore
alternative
approaches
such
as
vaccines.
Leveraging
immune
system's
natural
ability
target
and
kill
cells
holds
great
therapeutic
potential.
However,
development
of
vaccines
is
hindered
by
several
challenges,
including
low
stability,
inadequate
response
activation,
immunosuppressive
tumor
microenvironment,
which
limit
their
efficacy.
Recent
progress
various
fields,
click
chemistry,
nanotechnology,
exosome
engineering,
neoantigen
design,
offer
innovative
solutions
these
challenges.
These
achievements
have
led
emergence
smart
vaccine
platforms
(SVPs),
integrate
protective
carriers
for
messenger
ribonucleic
acid
(mRNA)
with
functionalization
strategies
optimize
targeted
delivery.
Click
chemistry
further
enhances
SVP
performance
improving
encapsulation
mRNA
antigens
facilitating
precise
delivery
review
highlights
latest
developments
technologies
therapy,
exploring
both
opportunities
challenges
advancing
transformative
approaches.
Pathogens,
Journal Year:
2025,
Volume and Issue:
14(4), P. 355 - 355
Published: April 5, 2025
Antibiotic
resistance
represents
a
growing
public
health
threat,
with
airborne
drug-resistant
strains
being
especially
alarming
due
to
their
ease
of
transmission
and
association
severe
respiratory
infections.
The
microbiome
plays
pivotal
role
in
maintaining
health,
influencing
the
dynamics
antibiotic
among
pathogenic
microorganisms.
In
this
context,
review
proposes
exploration
complex
interplay
between
microbiota
antimicrobial
resistance,
highlighting
implications
diversity
disease.
Moreover,
strategies
mitigate
including
stewardship
programs,
alternatives
traditional
antibiotics,
probiotics,
restoration
techniques,
nanotechnology-based
therapeutic
interventions,
are
critically
presented,
setting
an
updated
framework
current
management
options.
Therefore,
through
better
understanding
roles
alongside
emerging
strategies,
paper
aims
shed
light
on
how
global
challenges
posed
by
multi-drug-resistant
pathogens
can
be
addressed.
Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(5), P. 640 - 640
Published: May 12, 2025
The
development
of
effective
vaccines
requires
a
rational
design
that
considers
the
interaction
between
antigens,
their
vectors,
and
immune
system
in
addition
to
activation
pathways
induce
safe
specific
response.
efficacy
vaccine
formulation
depends
on
nature
antigen,
protection
offered
by
delivery
system,
ability
potentiate
response,
precise
release
immunogen.
Carrier
systems
such
as
lipid
nanoparticles,
polymers,
exosomes,
microorganisms
can
be
functionalized
chemical,
physical,
or
biological
methods
generate
selective
improved
biodistribution
profiles.
These
enhance
with
target
cells,
thereby
improving
immunological
efficacy.
conjugation
ligands
modification
parameters
shape,
charge,
size
vectors
specificity,
stability,
efficiency
antigen
transport
cellular
compartments,
facilitating
robust
This
study
examines
modifications
systems,
focusing
biomolecules
physicochemical
changes
presentation.
Additionally,
we
examine
innovative
methods,
including
microneedles,
electroporation,
needle-free
show
potential
for
enhancing
Asian Pacific Journal of Tropical Biomedicine,
Journal Year:
2024,
Volume and Issue:
14(8), P. 359 - 368
Published: Aug. 1, 2024
Objective:
To
prepare
and
characterize
polycaprolactone
(PCL)
nanoparticles
loaded
with
sonicator
fragmented
(SLA)
freeze-
thaw
Leishmania
antigens
(FTLA)
to
investigate
the
in
vitro
immunogenicity
of
antigen-encapsulated
calcium
phosphate
adjuvant.
Methods:
The
water/oil/water
binary
emulsion
solvent
evaporation
method
was
used
synthesize
antigen-loaded
PCL
nanoparticles.
Particles
were
characterized
by
scanning
electron
microscopy
zeta
potential
measurements.
Their
cytotoxicity
J774
macrophages
determined
MTT
analysis.
In
addition,
amount
nitric
oxide
level
cytokines
produced
Griess
reaction
ELISA
method,
respectively.
protective
effect
developed
formulations
evaluated
determining
infection
index
percentage
infected
infantum
.
Results:
Compared
control
group,
SLA
FTLA
adjuvant
induced
a
6-
7-fold
increase
oxide,
Additionally,
vaccine
promoted
production
IFN-γ
IL-12.
combined
caused
an
approximately
13-
11-fold
reduction
index,
respectively,
compared
group.
Conclusions:
encapsulation
obtained
both
sonication
freeze-thawing
into
show
strong
immune
stimulating
properties.
Therefore,
PCL-based
antigen
delivery
systems
are
recommended
as
candidate
against
leishmaniasis.
npj Vaccines,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: May 31, 2024
Influenza
A
virus
(IAV)
causes
significant
morbidity
and
mortality
worldwide
due
to
seasonal
epidemics
periodic
pandemics.
The
antigenic
drift/shift
of
IAV
continually
gives
rise
new
strains
subtypes,
aiding
in
circumventing
previously
established
immunity.
As
a
result,
there
has
been
substantial
interest
developing
broadly
protective
vaccine
that
induces,
durable
immunity
against
multiple
IAVs.
Previously,
polyanhydride
nanoparticle-based
or
nanovaccine
(IAV-nanovax)
encapsulating
H1N1
antigens
was
reported,
which
induced
pulmonary
B
T
cell
resulted
cross-strain
protection
IAV.
key
feature
IAV-nanovax
is
its
ability
easily
incorporate
diverse
proteins/payloads,
potentially
increasing
provide
broad
and/or
other
pathogens.
Due
human
susceptibility
both
H3N2
IAV,
several
nanovaccines
were
formulated
herein
with
examine
the
"plug-and-play"
nature
platform
determine
their
induce
humoral
cellular
broad-based
similar
IAV-nanovax.
H3N2-based
formulations
systemic
mucosal
responses
associated
antigen-specific
antibodies.
Additionally,
lung-tissue
resident
CD4
CD8
enhanced
post-vaccination.
These
immune
corresponded
homologous
heterosubtypic
infection.
Overall,
these
results
demonstrate
plug-and-play
generate
utilizing
payloads.