Molecules,
Journal Year:
2023,
Volume and Issue:
28(7), P. 2969 - 2969
Published: March 27, 2023
Transcutaneous
vaccination
is
one
of
the
successful,
affordable,
and
patient-friendly
advanced
immunization
approaches
because
presence
multiple
immune-responsive
cell
types
in
skin.
However,
absence
a
preferable
facilitator,
skin's
outer
layer
strong
impediment
to
delivering
biologically
active
foreign
particles.
Lipid-based
biocompatible
ionic-liquid-mediated
nanodrug
carriers
represent
an
expedient
distinct
strategy
permit
transdermal
drug
delivery;
with
acceptable
surfactants,
performance
formulations
might
be
further
enhanced.
For
this
purpose,
we
formulated
lipid-based
nanovaccine
using
conventional
(cationic/anionic/nonionic)
surfactant
loaded
antigenic
protein
immunomodulator
its
core
promote
delivery
by
penetrating
skin
boosting
immunogenic
activity.
In
follow-up
investigation,
freeze-dry
emulsification
process
was
used
prepare
nanovaccine,
delivery,
pharmacokinetic
parameters,
ability
activate
autoimmune
cells
tumor
microenvironment
were
studied
tumor-budding
C57BL/6N
mouse
model.
These
analyses
performed
ELISA,
nuclei
HE
staining,
flow
cytometry,
other
biological
techniques.
The
immunomodulator-containing
significantly
(p
<
0.001)
increased
anticancer
immune
responses
(IgG,
IgG1,
IgG2,
CD8+,
CD207+,
CD103+
expression)
without
causing
cellular
or
toxicity.
Using
nanovaccination
approach,
it
possible
create
more
targeted
efficient
system
for
cancer
antigens,
thereby
stimulating
stronger
response
compared
aqueous
formulations.
This
lead
effective
therapeutic
preventative
outcomes
patients
cancer.
Advanced Drug Delivery Reviews,
Journal Year:
2022,
Volume and Issue:
182, P. 114109 - 114109
Published: Jan. 6, 2022
Needle-free
jet
injectors
have
been
proposed
as
an
alternative
to
injections
with
hypodermic
needles.
Currently,
a
handful
of
commercial
needle-free
already
exist.
However,
these
are
designed
for
specific
injections,
typically
limited
large
injection
volumes
into
the
deeper
layers
beneath
skin.
There
is
growing
evidence
advantages
when
delivering
small
superficial
skin
layers,
namely
epidermis
and
dermis.
Injections
such
vaccines
insulin
would
benefit
from
delivery
layers.
Furthermore,
same
technology
volume
can
serve
(medical)
tattooing
well
other
personalized
medicine
treatments.
The
research
dedicated
actuated
by
laser
energy
has
increased
in
last
decade.
In
this
case,
absorption
optical
liquid
results
explosively
bubble.
This
bubble
displaces
rest
liquid,
resulting
fast
microfluidic
which
penetrate
technique
allows
precise
control
over
(pL
µL)
penetration
depths
(µm
mm).
be
tuned
without
changing
device,
varying
parameters
power,
beam
diameter
filling
level
container.
Despite
published
on
working
principles
capabilities
individual
laser-actuated
injectors,
thorough
overview
encompassing
all
them
lacking.
perspective,
we
will
discuss
current
status
laser-based
contrast
their
limitations,
potential
challenges.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: March 10, 2022
Background
Omicron
scares
and
speculations
are
gaining
momentum.
Amid
the
nonstop
debates
discussions
about
COVID-19
vaccines,
“vaccine
fatigue”
phenomenon
may
become
more
prevalent.
However,
to
date,
no
research
has
systematically
examined
factors
that
shape
people’s
vaccine
fatigue.
To
bridge
gap,
this
study
aims
investigate
antecedents
cause
or
catalyze
Methods
A
narrative
literature
review
was
conducted
in
PubMed,
Scopus,
PsycINFO
identify
The
search
completed
on
December
6,
2021,
with
a
focus
scholarly
published
English.
Results
total
of
37
articles
were
reviewed
analyzed.
Vaccine
fatigue
most
frequently
discussed
context
infectious
diseases
general
at
pre-vaccination
stage.
been
identified
public,
parents,
doctors.
Overall,
wide
range
identified,
ranging
from
frequency
immunization
demands,
side
effects,
misconceptions
severity
need
for
vaccination,
lack
trust
government
media.
Conclusion
is
inertia
inaction
towards
information
instruction
due
perceived
burden
burnout.
Our
found
while
some
contributors
rooted
limitations
sciences
therefore
can
hardly
be
avoided,
effective
empathetic
communications
hold
great
promise
eliminating
preventable
across
sectors
society.
Biomaterials Research,
Journal Year:
2023,
Volume and Issue:
27(1)
Published: Feb. 9, 2023
With
the
great
success
of
coronavirus
disease
(COVID-19)
messenger
ribonucleic
acid
(mRNA)
vaccines,
mRNA
therapeutics
have
gained
significant
momentum
for
prevention
and
treatment
various
refractory
diseases.
To
function
efficiently
in
vivo
overcome
clinical
limitations,
demands
safe
stable
vectors
a
reasonable
administration
route,
bypassing
multiple
biological
barriers
achieving
organ-specific
targeted
delivery
mRNA.
Nanoparticle
(NP)-based
systems
representing
leading
vector
approaches
ensure
successful
intracellular
to
target
organ.
In
this
review,
chemical
modifications
types
advanced
NPs,
including
lipid
NPs
polymers
are
summarized.
The
importance
passive
targeting,
especially
endogenous
active
targeting
nano-delivery
is
emphasized,
different
cellular
endocytic
mechanisms
discussed.
Most
importantly,
based
on
above
content
physiological
structure
characteristics
organs
vivo,
design
strategies
cells
classified
Furthermore,
influence
routes
highlighted.
Finally,
an
outlook
remaining
challenges
future
development
toward
therapies
precision
medicine
provided.
Wiley Interdisciplinary Reviews Nanomedicine and Nanobiotechnology,
Journal Year:
2023,
Volume and Issue:
15(4)
Published: April 11, 2023
Abstract
Transdermal
delivery
of
drugs
offers
an
interesting
alternative
for
the
administration
molecules
that
present
certain
troubles
when
delivered
by
oral
route.
It
can
produce
systemic
effects
or
perform
a
local
action
formulation
exerts
optimal
controlled
drug
release
targeted
to
specific
cell
type
site.
also
avoids
several
inconveniences
such
as
hepatic
first
pass
effect,
gastric
pH‐induced
hydrolysis,
malabsorption
because
diseases
surgeries,
and
unpleasant
organoleptic
properties.
Nanomedicine
microneedle
array
patches
(MAPs)
are
two
trendiest
systems
applied
transdermal
research
nowadays.
However,
skin
is
protective
barrier
nanoparticles
(NPs)
cannot
through
intact
stratum
corneum
.
The
association
NPs
MAPs
(NPs@MAPs)
work
synergistically,
since
assist
bypass
outer
layers,
contribute
system
providing
delivery.
Vaccination
tailored
therapies
have
been
proposed
fields
where
both
great
potential
due
inherent
characteristics.
conception
easy
use
could
allow
self‐administration
therefore
facilitate
mass
vaccination
campaigns
in
undeveloped
areas
with
weak
healthcare
services.
Additionally,
nanomedicine
being
explored
platform
personalize
important
field
oncology.
In
this
we
show
recent
insights
prove
benefits
NPs@MAPs
analyze
prospects
discrete
interest
industry
NPs@MAPs,
evaluating
different
limiting
steps
restricts
translation
clinical
practice.
This
article
categorized
under:
Nanotechnology
Approaches
Biology
>
NA
Therapeutic
Drug
Discovery
International Journal of Molecular Sciences,
Journal Year:
2021,
Volume and Issue:
22(10), P. 5229 - 5229
Published: May 15, 2021
PubMed
searches
reveal
much
literature
regarding
lipids
in
barrier
function
of
skin
and
less
on
the
oral
mucosa.
In
terrestrial
mammals,
birds,
reptiles,
skin’s
permeability
is
provided
by
ceramides,
fatty
acids,
cholesterol
outermost
layers
epidermis,
stratum
corneum.
This
layer
consists
about
10–20
cornified
cells
embedded
a
lipid
matrix.
It
effectively
prevents
loss
water
electrolytes
from
underlying
tissue,
it
limits
penetration
potentially
harmful
substances
environment.
cavity,
regions
gingiva
hard
palate
are
covered
keratinized
epithelia
that
resemble
epidermis.
The
corneum
contains
mixture
similar
to
epidermal
but
lower
amounts
accordingly
more
permeable.
superficial
nonkeratinized
also
provide
barrier.
These
epithelial
do
contain
cholesterol,
free
which
may
underlie
function.
barriers
primarily
protect
tissue
preventing
toxic
substances,
including
microbial
products.
Transdermal
drug
delivery,
buccal
absorption,
lipid-related
disease
discussed.
European Journal of Immunology,
Journal Year:
2021,
Volume and Issue:
51(7), P. 1774 - 1784
Published: March 27, 2021
Optimal
vaccines
are
needed
for
sustained
suppression
of
SARS-CoV-2
and
other
novel
coronaviruses.
Here,
we
developed
a
recombinant
type
5
adenovirus
vector
encoding
the
gene
S1
subunit
antigen
(Ad5.SARS-CoV-2-S1)
COVID-19
immunization
evaluated
its
immunogenicity
in
mice.
A
single
with
Ad5.SARS-CoV-2-S1
via
S.C.
injection
or
I.N
delivery
induced
robust
antibody
cellular
immune
responses.
Vaccination
elicited
significant
S1-specific
IgG,
IgG1,
IgG2a
endpoint
titers
as
early
2
weeks,
antibodies
were
long
lasting.
I.N.
administration
produced
GC
B
cells
cervical
axillary
LNs,
respectively.
Moreover,
evoked
significantly
greater
antigen-specific
T-cell
responses
compared
to
unimmunized
control
groups
indications
that
was
more
effective
than
eliciting
Mice
vaccinated
by
either
route
demonstrated
increased
virus-specific
neutralization
on
weeks
8
12
groups,
well
BM
forming
(AFC),
indicative
long-term
immunity.
Thus,
this
Ad5-vectored
vaccine
candidate
showed
promising
following
mice
routes
administration,
supporting
further
development
Ad-based
against
infectious
diseases
sustainable
global
programs.