Pathogenesis of Melasma Explained
L. Ahmed Ali,
No information about this author
Firas Al Niaimi
No information about this author
International Journal of Dermatology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
ABSTRACT
This
review
provides
an
in‐depth
analysis
of
the
pathophysiology
melasma
and
highlights
recent
studies
that
elucidate
its
underlying
mechanisms.
Given
prevalence
melasma,
a
thorough
understanding
pathogenesis
is
critical
for
development
effective
treatment
strategies.
We
analyzed
current
literature
to
identify
findings
related
epidermal
changes,
basement
membrane
(BM)
alterations,
various
dermal
modifications,
including
solar
elastosis,
mast
cell
activity,
vascular
changes.
also
examined
influence
visible
light
(VL)
hormonal
fluctuations
on
melasma.
intertwines
these
insights
with
overview
contemporary
approaches.
Our
indicate
advancements
in
melasma's
pathophysiology,
highlighting
significant
changes
epidermis
BM,
along
factors,
such
as
involvement,
senescent
fibroblasts.
established
mechanisms
while
incorporating
scientific
updates.
Additionally,
survey
available
treatments
targeting
novel
revealed
promising
therapeutic
modalities
currently
under
investigation.
In
conclusion,
latest
pathophysiological
crucial
enhancing
clinician
awareness
patient
reassurance,
well
improving
Nevertheless,
ongoing
research
remains
essential
complexities
further
optimize
clinical
outcomes.
Language: Английский
Systematic Review of Platelet-Rich Plasma and Platelet-Rich Fibrin in Facial Rejuvenation
Annals of Plastic Surgery,
Journal Year:
2025,
Volume and Issue:
94(4S), P. S376 - S389
Published: April 1, 2025
Background
Platelet-rich
plasma
(PRP)
and
platelet-rich
fibrin
(PRF)
are
promising
treatments
for
facial
rejuvenation,
leveraging
growth
factors
to
stimulate
natural
tissue
repair
regeneration.
Despite
their
growing
popularity,
effectiveness
remains
controversial,
with
studies
yielding
mixed
results.
This
systematic
review
evaluates
the
current
evidence
on
PRP/PRF
therapies
effect
following
6
key
parameters
of
aging:
wrinkles,
texture,
dyschromia,
elasticity,
skin
thickness,
hydration.
Methods
A
comprehensive
literature
search
was
performed
in
PubMed,
Embase,
Cochrane
databases
controlled
trials,
prospective
cohort
studies,
case
series
published
after
2010.
Eligible
included
more
than
5
patients,
evaluated
PRP
or
PRF
as
monotherapy,
addressed
at
least
1
listed
aging.
Articles
were
screened
by
2
independent
investigators
scored
quality
using
Oxford
Centre
Evidence-Based
Medicine
hierarchy.
Results
Twenty
articles,
comprising
514
met
inclusion
criteria.
Sixteen
compared
a
control
baseline,
while
4
them
alternative
treatments.
Wrinkles
fine
lines
(n
=
16)
most
frequently
studied
parameters,
followed
dyschromia
12),
texture
11),
elasticity
6),
thickness
5),
hydration
4).
Significant
improvements
treatment
reported
80%
75%
40%
33%
17%
0%
Skin
had
highest
proportion
reporting
findings
(41.7%),
whereas
no
improvement
(67%).
Additionally,
all
evaluating
patient
satisfaction
significant
from
pretreatment
posttreatment.
No
serious
adverse
events
any
studies.
Conclusions
identified
aging
strongest
treatment,
showed
weakest.
Language: Английский
What lies behind melasma: a review of the related skin microenvironment
Duoduo Gu,
No information about this author
Ruoxin Pan,
No information about this author
Xiaoqi Meng
No information about this author
et al.
International Journal of Dermatology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 30, 2024
Melasma
is
an
acquired
chronic
pigmentary
disorder
affecting
millions
of
individuals
worldwide.
However,
the
pathogenesis
melasma
remains
unclear.
This
article
provides
a
comprehensive
review
pathophysiological
changes
occurring
in
skin
microenvironment
lesions,
which
can
be
summarized
as
follows:
(1)
barrier
dysfunction
and
abnormal
synthesis,
transport,
intracellular
distribution
melanin
epidermis;
(2)
basement
membrane
damage;
(3)
solar
elastosis,
vascular
changes,
senescent
fibroblasts,
mast
cell
infiltration,
sebocyte
participation
dermis;
(4)
systemic
factors
such
sex
hormones
oxidative
stress.
Furthermore,
potential
therapeutic
strategies
are
introduced
to
provide
novel
perspectives
for
fundamental
clinical
research
related
melasma.
Language: Английский
Phototherapy for pigmentary disorders
Photodermatology Photoimmunology & Photomedicine,
Journal Year:
2024,
Volume and Issue:
40(3)
Published: April 14, 2024
The
author
declares
no
conflicts
of
interest.
Data
sharing
not
applicable
to
this
article
as
datasets
were
generated
or
analysed
during
the
current
study.
Language: Английский
Efficacy of Vitamin B12 and Adenosine Triphosphate in Enhancing Skin Radiance: Unveiled with a Drug–Target Interaction Deep Learning-Based Model
Current Issues in Molecular Biology,
Journal Year:
2024,
Volume and Issue:
46(8), P. 9082 - 9092
Published: Aug. 20, 2024
Skin
radiance
is
crucial
for
enhancing
facial
attractiveness
and
negatively
affected
by
factors
like
hyperpigmentation
aging-related
changes.
Current
treatments
often
lack
comprehensive
solutions
improving
skin
radiance.
This
study
aimed
to
develop
a
cosmetic
formula
that
enhances
reducing
regeneration
targeting
specific
receptors—the
endothelin
receptor
type
B
(EDNRB)
the
adiponectin
1
(ADIPOR1)
sagging
wrinkles.
To
achieve
this,
we
used
artificial
intelligence
technologies
screen
select
ingredients
with
an
affinity
EDNRB
ADIPOR1.
Vitamin
B12
(VitB12)
was
identified
as
molecule
targets
EDNRB,
which
involved
in
melanogenesis.
Adenosine
triphosphate
(ATP)
ADIPOR1,
associated
regeneration.
VitB12
successfully
inhibited
intracellular
calcium
elevation
melanogenesis
induced
endothelin-1.
In
contrast,
ATP
increased
mRNA
expression
of
collagen
elastin
promoted
wound
healing.
Moreover,
complex
significantly
hyaluronan
synthases,
are
hydration.
Furthermore,
human
participants,
application
one-half
face
improved
radiance,
elasticity,
texture.
Our
findings
provide
valuable
insights
development
skincare
formulations.
Language: Английский