Journal of Traditional Chinese Medical Sciences,
Journal Year:
2024,
Volume and Issue:
11(3), P. 340 - 350
Published: June 5, 2024
To
determine
the
main
components
of
Astragalus
membranaceus
(Fisch.)
Bge.
(A.
membranaceus,
Huang
Qi),
Astragaloside
IV
(AIV)
and
polysaccharides
(AP),
to
characterize
their
properties,
evaluate
in
vivo
efficacy,
analyze
drug
diffusion
using
dissolving
microneedle
(DMN)
technology
vivo.
Respectively,
AIV-
AP-loaded
DMNs
comprising
chitosan
(CTS)
polyvinyl
alcohol
(PVA)
were
prepared
via
dual-mold
forming.
Their
morphology,
mechanical
solubility,
skin
irritation
characteristics
tested.
In
efficacy
was
assessed
cyclophosphamide-induced
immunosuppressed
mice,
AIV
AP
by
conventional
methods
compared,
rheological
properties
AIV-CTS-PVA
AP-CTS-PVA
mixtures
measured.
Subcutaneous
dissolution
absorption
microneedles
(MNs)
at
low
doses
(50%
–
17%
intraperitoneal
injection
12%
4%
intravenous
injection)
reduced
spleen
index
acid
phosphatase
activity
mouse
models,
increased
thymus
index,
achieved
equivalent
or
better
systemic
therapeutic
effects.
Compared
with
injections,
controllable
solid-liquid
conversion
through
delivery
CTS-PVA
MNs,
resulting
highly
localized
aggregation
within
48
h,
reducing
initial
explosive
effect
drug,
achieving
stable
slow
release.
The
present
study
enhances
our
understanding
remote
effects
drug-loaded
from
a
traditional
Chinese
medicine
(TCM)
perspective,
thereby
promoting
development
precise
efficient
TCM
further
expanding
drug-loading
range
application
scenarios
for
DMNs.
Life,
Journal Year:
2025,
Volume and Issue:
15(4), P. 582 - 582
Published: April 1, 2025
Introduction:
Recombinant
human
collagen,
developed
through
advanced
recombinant
DNA
technology,
has
emerged
as
a
cutting-edge
biomaterial
with
diverse
applications
in
medicine.
It
addresses
significant
limitations
of
animal-derived
collagens,
such
immunogenicity
and
the
risk
zoonotic
diseases.
Objective:
This
review
evaluates
clinical
applications,
benefits,
challenges
associated
focusing
on
its
potential
to
transform
medical
surgical
practices.
Methods:
A
comprehensive
search
was
conducted
MEDLINE,
PubMed,
Ovid
databases
using
keywords
“Recombinant
Human
Collagen”,
“Collagen-Based
Biomaterials”,
“Clinical
Applications”,
“Tissue
Repair”,
“Wound
Healing”.
Relevant
studies,
including
trials
diagnostic
were
analyzed
classified
according
Oxford
Centre
for
Evidence-Based
Medicine
evidence
hierarchy.
Findings:
collagen
demonstrates
superior
mechanical
properties
controlled
degradation
rates
compared
traditional
sources.
Clinical
studies
highlight
effectiveness
accelerating
wound
closure,
promoting
dermal
regeneration,
minimizing
scarring,
making
it
particularly
valuable
chronic
management
interventions.
In
tissue
engineering,
scaffolds
have
shown
regenerating
cartilage,
bone,
cardiovascular
tissues
by
supporting
cell
proliferation,
differentiation,
matrix
deposition.
Additionally,
adaptability
forming
hydrogels
matrices
enhances
suitability
drug
delivery
systems,
enabling
sustained
release
therapeutic
agents.
Conclusion:
represents
transformative
advancement
practice,
providing
safer
more
effective
alternative
Its
demonstrated
success
healing,
highlights
significantly
improve
patient
outcomes.
However,
high
production
costs,
regulatory
complexities,
long-term
biocompatibility
remain
barriers
widespread
adoption.
Further
research
collaboration
between
biotechnology
developers
authorities
are
essential
fully
realize
potential.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1398 - 1398
Published: Oct. 30, 2024
Microneedle
technology
revolutionizes
ocular
drug
delivery
by
addressing
challenges
in
treating
diseases.
This
review
explores
its
potential
impact,
recent
advancements,
and
clinical
uses.
minimally
invasive
technique
offers
precise
control
of
to
the
eye,
with
various
microneedle
types
showing
penetrate
barriers
cornea
sclera,
ensuring
effective
delivery.
Recent
advancements
have
improved
safety
efficacy,
offering
sustained
controlled
for
conditions
like
age-related
macular
degeneration
glaucoma.
While
promising,
such
as
regulatory
long-term
biocompatibility
persist.
Overcoming
these
through
interdisciplinary
research
is
crucial.
Ultimately,
presents
a
revolutionary
method
significantly
enhance
disease
treatment,
marking
new
era
eye
care.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(34), P. 44518 - 44527
Published: Aug. 15, 2024
Glioblastoma
(GBM)
is
the
most
common
and
aggressive
malignant
brain
tumor.
Standard
therapy
includes
maximal
surgical
resection,
radiotherapy,
adjuvant
temozolomide
(TMZ)
administration.
However,
rapid
development
of
TMZ
resistance
impermeability
blood-brain
barrier
(BBB)
significantly
hinder
therapeutic
efficacy.
Herein,
we
developed
spatiotemporally
controlled
microneedle
patches
(BMNs)
loaded
with
niclosamide
(NIC)
to
overcome
GBM
resistance.
We
found
that
hyaluronic
acid
(HA)
increased
viscosity
bovine
serum
albumin
(BSA)
evidenced
concentrations
BSA/HA
exert
an
impact
degradation
rates
exposure
high-temperature
treatment,
showing
higher
result
in
slower
drug
release.
To
optimize
release
ensure
synergistic
antitumor
effects,
a
15%
solution
constituting
bottoms
BMNs
was
chosen
load
TMZ,
sustained
for
over
28
days,
guaranteeing
long-term
DNA
damage
TMZ-resistant
cells
(U251-TR).
Needle
tips
made
from
10%
NIC
released
within
14
enhancing
TMZ's
efficacy
by
inhibiting
activity
O6-methylguanine-DNA
methyltransferase
(MGMT).
exhibit
superior
mechanical
properties,
bypass
BBB,
gradually
into
tumor
periphery,
thus
proliferation
expanding
median
survival
mice.
The
on-demand
delivery
shows
strong
translational
potential
clinical
applications,
particularly
treatment.
Microneedle
technology
is
a
novel
platform
that
revolutionizes
ocular
drug
delivery
and
addresses
critical
challenges
in
the
treatment
of
diseases.
Routine
methods,
such
as
eye
drops
intravitreal
injections,
suffer
from
low
bioavailability
poor
patient
compliance.
So,
advanced
technologies
are
required
to
overcome
these
challenges.
minimally
invasive
promising
alternative
technique
helps
precisely
control
targeted
tissues
organs.
This
review
investigates
potential
impact
microneedle
for
care,
underscoring
recent
advancements,
underlying
mechanisms,
emerging
preclinical
clinical
uses.
Different
types
microneedles,
including
solid,
coated,
dissolvable,
hollow,
have
demonstrated
their
capability
bypass
several
barriers
cornea
sclera.
ensures
effective
penetration
delivery.
The
current
innovations
material
science
fabrication
methods
enhanced
safety
efficacy
reducing
discomfort
chances
infections.
These
offer
sustained
controlled
delivery,
which
could
improve
therapeutic
outcomes
various
disease
conditions
like
age-related
macular
degeneration,
glaucoma,
diabetic
neuropathy,
etc.
In
review,
studies
emphasize
microneedle-based
delivery's
feasibility
benefits.
include
improved
pharmacokinetics,
reduced
dosing
frequency,
adherence,
and,
most
importantly,
microneedles
versatile
platforms
delivering
wide
range
small
large
molecules
gene
therapies.
Despite
exciting
progress,
obstacles
regulatory
barriers,
scalability,
long-term
biocompatibility
persist.
It
will
be
essential
tackle
through
interdisciplinary
research
partnerships
integrate
into
standard
use
effectively.
Ultimately,
offers
revolutionary
method
has
significantly
enhance
results
diseases,
marking
dawn
new
era
care.
Biomaterials Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Microneedle
patches
have
emerged
as
a
promising
approach
for
diabetic
wound
healing
by
enabling
the
targeted
delivery
of
therapeutic
agents
such
stem
cells
and
their
derived
exosomes,
well
localized
bioactive
moieties.
These
offer
non-invasive
efficient
method
administering
payloads
directly
to
site
wound,
bypassing
systemic
circulation
minimizing
potential
side
effects.
The
holds
immense
promoting
tissue
regeneration
accelerating
in
patients.
Similarly,
cell-derived
which
are
known
regenerative
anti-inflammatory
properties,
can
enhance
process.
Furthermore,
microneedle
enable
precise
controlled
release
moieties,
growth
factors
cytokines,
site,
creating
conducive
microenvironment
repair
regeneration.
challenges
associated
with
multifaceted.
Biocompatibility
issues,
variability
skin
characteristics
among
patients,
regulatory
hurdles,
scalability,
cost
considerations,
long-term
stability,
patient
acceptance
compliance
all
present
significant
barriers
widespread
adoption
optimization
technology
clinical
practice.
Overcoming
these
will
require
collaborative
efforts
from
various
stakeholders
advance
field
address
critical
gaps
research
development.
Ongoing
focuses
on
enhancing
biocompatibility
mechanical
properties
materials,
developing
customizable
technologies
personalized
treatment
approaches,
integrating
advanced
functionalities
sensors
real-time
monitoring,
improving
engagement
adherence
through
education
support
mechanisms.
advancements
improve
management
providing
tailored
therapies
that
promote
faster
reduce
complications.
This
review
explores
current
landscape
context
management,
highlighting
both
need
be
addressed
future
perspectives
this
innovative
modality.