Delaying
aging
is
an
eternal
goal
for
humanity.
Collagen-based
materials,
employed
as
dermal
fillers
to
smoothen
wrinkles,
have
attained
extensive
utilization.
Nevertheless,
traditional
animal-derived
collagen
protein
primarily
presents
concerns
pertaining
disease
risks,
potential
immunological
reactions,
and
batch
instability.
In
this
investigation,
the
filler
composed
of
recombinant
human
type
III
(rhCol
III)
with
excellent
injectability
was
fabricated
using
synthetic
biology.
The
in
vitro
examination
cell
interaction
rhCol
revealed
commendable
biocompatibility,
concentration-dependent
impacts
on
proliferation,
migration
secretion.
Subsequently,
we
established
a
skin
damage
animal
model
through
UV-photoaging
introduced
bioactive
material
vivo
implantation,
systematically
comparing
its
biological
effect
pCollagen,
hyaluronic
acid
(HA)
saline
thorough
histological
observation,
immunofluorescence
staining,
hydroxyproline
quantification
analysis
specific
gene
expression.
Outcomes
indicated
prompted
augmented
production
I
(Col
I),
elastic
fibers,
thereby
contributing
remodeling
extracellular
matrix
(ECM).
summary,
our
investigation
contributed
robust
biosafety
proficient
attenuation
UV-induced
photoaging
by
under
single
injection.
Despite
imperative
ongoing
efforts
required
successful
translation
from
bench
clinic,
discernibly
superior
safety
efficacy
profile
positioned
it
promising
candidate
within
domain
fillers.
Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 271 - 271
Published: April 5, 2025
Collagen-based
wound
dressings
have
developed
as
an
essential
component
of
contemporary
care,
utilizing
collagen’s
inherent
properties
to
promote
healing.
This
review
thoroughly
analyzes
collagen
dressing
advances,
examining
different
formulations
such
hydrogels,
films,
and
foams
that
enhance
care.
The
important
processes
by
which
promotes
healing
(e.g.,
promoting
angiogenesis,
encouraging
cell
proliferation,
offering
structural
support)
are
discussed
clarify
its
function
in
tissue
regeneration.
effectiveness
adaptability
demonstrated
via
clinical
applications
investigated
acute
chronic
wounds.
Additionally,
commercially
accessible
collagen-based
skin
treatments
discussed,
demonstrating
their
practical
use
healthcare
settings.
Despite
the
progress,
study
discusses
obstacles
restrictions
encountered
producing
adopting
dressings,
difficulties
manufacturing
financial
concerns.
Finally,
current
landscape’s
insights
indicate
future
research
possibilities
for
optimization,
bioactive
agent
integration,
overcoming
existing
constraints.
analysis
highlights
potential
innovations
improve
treatment
methods
patient
Advances in Polymer Technology,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
With
a
deeper
understanding
of
the
aging
process,
injectable
dermal
fillers
have
revolutionized
cosmetic
dermatology
and
plastic
surgery.
These
minimally
invasive
treatments
address
signs
aging,
such
as
wrinkles,
fine
lines,
volume
loss.
The
market
for
expands
yearly,
with
each
product
offering
unique
compositions
that
influence
therapeutic
outcomes,
handling
properties,
potential
adverse
effects.
Fillers
are
generally
classified
into
three
major
types:
temporary,
semi‐permanent,
permanent.
Temporary
fillers,
including
hyaluronic
acid
(HA)
collagen
(COL)‐based
options,
provide
reliable
correction
but
typically
limited
longevity.
Semi‐permanent
permanent
made
from
synthetic
materials
like
poly‐L‐lactic
polymethylmethacrylate
(PMMA),
offer
extended
durations
neocollagenesis.
This
review
focuses
specifically
on
COL‐based
discussing
both
FDA‐approved
products
those
still
in
research
stage.
Dermatologic Surgery,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Type
III
recombinant
humanized
collagen
(rhCol
III)
has
a
promising
future
in
cosmetic
applications.
To
investigate
the
histological
changes
associated
with
injection
of
different
concentrations
rhCol
into
dermis.
Twenty
mice
were
divided
control,
low-dose
(LD)
group,
and
high-dose
(HD)
group.
The
animals
euthanized
1,
2,
3,
4
weeks
after
injection.
Injections
induced
an
increase
formation
concentration-dependent
manner.
I
(Col
I)
was
upregulated
both
HD
LD
groups
to
varying
extents,
often
similar
that
Col
III.
Fibroblast
proliferation
plays
important
role
deposition
promoted
angiogenesis
at
later
stages,
regardless
concentration
dependency.
Intradermal
injections
can
promote
fibroblast
proliferation,
enhancing
III,
stimulating
angiogenesis.
Further
studies
are
required
elucidate
mechanisms.
Chinese Medical Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
Collagen-based
materials,
renowned
for
their
biocompatibility
and
minimal
immunogenicity,
serve
as
exemplary
substrates
in
a
myriad
of
biomedical
applications.
micro/nanogels,
particular,
are
valued
increased
surface
area,
tunable
degradation
rates,
ability
to
facilitate
targeted
drug
delivery,
making
them
instrumental
advanced
therapeutics
tissue
engineering
endeavors.
Although
extensive
reviews
on
micro/nanogels
exist,
they
tend
cover
wide
range
biomaterials
lack
specific
focus
collagen-based
materials.
The
current
review
offers
an
in-depth
look
into
the
manufacturing
technologies,
release
mechanisms,
applications
address
this
gap.
First,
we
provide
overview
synthetic
strategies
that
allow
precise
control
size,
shape,
mechanical
strength
these
by
controlling
degree
cross-linking
These
properties
crucial
performance
We
then
highlight
environmental
responsiveness
particularly
sensitivity
enzymes
pH,
which
enables
controlled
under
various
pathological
conditions.
discussion
expands
include
cancer
therapy,
antimicrobial
treatments,
bone
repair,
imaging
diagnosis,
emphasizing
versatility
potential
critical
areas.
challenges
future
perspectives
field
discussed
at
end
review,
with
emphasis
translation
clinical
practice.
This
comprehensive
serves
valuable
resource
researchers,
clinicians,
scientists
alike,
providing
insights
state
directions
micro/nanogel
research
development.
The Journal of Biochemistry,
Journal Year:
2024,
Volume and Issue:
175(5), P. 551 - 560
Published: Jan. 2, 2024
Abstract
Lymphedema
has
become
a
global
health
issue
following
the
growing
number
of
cancer
surgeries.
Curative
or
supportive
therapeutics
have
long
been
awaited
for
this
refractory
condition.
Transcription
factor
GATA2
is
crucial
in
lymphatic
development
and
maintenance,
as
haploinsufficient
disease
often
manifests
lymphedema.
We
recently
demonstrated
that
Gata2
heterozygous
deficient
mice
displayed
delayed
recanalization
upon
lymph
node
resection.
However,
whether
contributes
to
regeneration
by
functioning
damaged
vessels'
microenvironment
remains
explored.
In
study,
our
integrated
analysis
dermal
collagen
fibers
were
more
densely
accumulated
mice.
The
metabolism-related
transcriptome
was
perturbed,
matrix
contractile
activity
aberrantly
increased
embryonic
fibroblasts.
Notably,
soluble
placement
ameliorated
recanalization,
presumably
modulating
stiffness
extracellular
around
resection
site
Our
results
provide
valuable
insights
into
mechanisms
underlying
GATA2-haploinsufficiency-mediated
lymphedema
shed
light
on
potential
therapeutic
avenues
intractable
disease.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(4), P. 916 - 916
Published: April 20, 2024
This
study
explores
the
efficacy
of
a
novel
polycomponent
formulation
(KARISMA
Rh
Collagen®
FACE,
Taumedika
Srl,
Rome,
Italy),
containing
200
mg/mL
non-crosslinked
high-molecular-weight
hyaluronic
acid
(HMW-HA),
μg/mL
human
recombinant
polypeptide
collagen-1
alpha
chain,
and
40
carboxymethyl
cellulose
(CMC)
as
regenerative
medicine
for
skin
regeneration
rejuvenation.
combines
acid,
to
stimulate
collagen
type
I
production
enhance
hydration.
involved
100
subjects
with
varying
conditions,
divided
into
three
groups
based
on
aging,
smoking
history,
facial
scarring,
evaluate
product’s
effectiveness
in
aesthetic
improvement.
The
methodology
included
two
injections
Karisma
(2
mL
each
injection)
one
month
apart,
evaluations
conducted
using
FACE-Q
questionnaires,
SGAIS
Questionnaire,
Antera
3D
scanner
measurements
at
baseline,
30
days,
60
days
post-treatment.
results
demonstrated
significant
reduction
roughness
an
improvement
quality
across
all
groups,
no
correlation
between
outcomes
patient’s
age.
subjective
assessments
also
indicated
high
satisfaction
treatment’s
results.
analyzed
data
allow
us
conclude
that
single-stranded
carboxymethyl-cellulose
is
able
skin’s
response,
yielding
both
vitro
and,
through
our
study,
vivo.
new
effectively
stimulates
regeneration,
improving
texture,
benefits
perceived
by
patients,
low
incidence
adverse
events,
marking
promising
advancement
medicine.