Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1300 - 1300
Published: Oct. 5, 2024
Background/Objectives:
Phloroglucinol
(PHL),
a
phenolic
compound
extracted
from
the
brown
alga
Rosenvingea
intricata,
exhibits
potent
antioxidant
and
anticancer
properties.
This
study
aims
to
extract,
purify,
characterize
PHL,
further
develop
functionalized
zinc
oxide
nanoparticles
(ZnO
NPs)
loaded
with
PHL
enhance
its
therapeutic
potential.
Methods:
was
using
acetone
purified
through
Sephadex
LH-20
column
chromatography,
yielding
highly
enriched
fraction
(F-3).
The
characterized
by
FTIR,
HPLC,
NMR,
LC-MS.
ZnO
NPs
were
synthesized,
PEGylated,
conjugated
forming
ZnO-PEG-PHL
NPs.
Their
characterization
included
DLS,
zeta
potential,
XRD,
SEM-EDAX,
encapsulation
efficiency
studies.
Antioxidant
assays
(DPPH,
FRAP,
ABTS,
RPA)
performed
in
vitro
cytotoxicity
on
A549
lung
cancer
cells
determined
evaluate
efficacy
of
PHL.
Results:
showed
high
content
(45.65
mg/g),
which
confirmed
spectral
analysis.
increased
size
32.36
nm
46.68
nm,
their
potential
shifting
−37.87
mV
−26.82
mV.
activity
superior
for
all
assays,
while
tests
an
IC50
40
µg/mL
compared
60
70
Apoptotic
studies
revealed
significant
cell
cycle
arrest
apoptosis
induction.
Conclusions:
synthesized
demonstrated
enhanced
properties,
making
them
promising
candidates
therapy
applications.
Cureus,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 2, 2024
Background
The
marine
environment,
with
its
rich
biodiversity
and
nutrient-dense
ecosystems,
offers
immense
potential
for
discovering
novel
pharmaceutical
products.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(15), P. 8461 - 8461
Published: Aug. 2, 2024
Retinopathy
of
prematurity
(ROP)
is
a
vascular
disorder
affecting
the
retinas
preterm
infants.
This
condition
arises
when
infants
in
incubators
are
exposed
to
high
oxygen
levels,
leading
oxidative
stress,
inflammatory
responses,
and
downregulation
endothelial
growth
factors,
which
causes
loss
retinal
microvascular
capillaries.
Upon
returning
room
air,
upregulation
factors
results
abnormal
cells.
Without
appropriate
intervention,
ROP
can
progress
blindness.
The
prevalence
has
risen,
making
it
significant
cause
childhood
Current
treatments,
such
as
laser
therapy
various
pharmacologic
approaches,
limited
by
their
potential
for
severe
adverse
effects.
Therefore,
deeper
understanding
ROP’s
pathophysiology
development
innovative
treatments
imperative.
Natural
products
from
plants,
fungi,
bacteria,
marine
organisms
have
shown
promise
treating
diseases
gained
attention
research
due
minimal
side
effects
wide-ranging
beneficial
properties.
review
discusses
roles
mechanisms
natural
that
hold
therapeutic
agents
management.
Phytotherapy Research,
Journal Year:
2024,
Volume and Issue:
38(11), P. 5162 - 5183
Published: Aug. 20, 2024
Abstract
Algae
and
its
extracts,
widely
consumed
as
functional
foods,
offer
numerous
health
benefits;
however,
a
comprehensive
systematic
summary
of
clinical
evidence
is
currently
lacking.
The
study
was
to
assess
the
available
provide
an
accurate
estimate
overall
effects
algae
extracts
supplementation
on
various
outcomes.
searches
in
PubMed,
Scopus,
Embase,
Web
Science,
Cochrane
Library
until
December
22,
2023
were
implemented.
random‐effects
model
employed
pool
effect
sizes
(ESs)
corresponding
95%
confidence
intervals
(CIs)
using
Stata
software.
Moreover,
detecting
methodological
quality
level
eligible
studies
by
A
Measurement
Tool
Assess
Systematic
Review
2
(AMSTAR2)
Grading
Recommendations
Assessment
Development
Evaluation.
Ultimately,
25
articles
covering
133
outcomes
included
this
umbrella
review.
pooled
results
demonstrated
that
could
significantly
decrease
body
weight
(ES
=
−1.65;
CI:
−1.97,
−1.34;
p
<
0.001),
mass
index
(BMI)
−0.42;
−0.78,
−0.07;
0.020),
waist
circumference
(WC)
−1.40;
−1.40,
−1.39;
triglyceride
(TG)
−1.38;
−2.15,
−0.62;
total
cholesterol
(TC)
(ES:
−2.09,
−0.72;
very
low‐density
lipoprotein
(VLDL‐C)
−7.85;
−8.55,
−7.15;
fasting
blood
glucose
−2.68;
−4.57,
−0.79;
0.005),
glycated
hemoglobin
(HbA1c)
−0.15;
−0.24,
systolic
pressure
−3.21;
−5.25,
−1.17;
0.002),
diastolic
−3.84;
−7.02,
−0.65;
0.018),
alanine
transaminase
−0.70,
−0.14;
0.003),
alkaline
phosphatase
−0.54;
−0.99,
−0.10;
0.017).
Due
limited
number
studies,
no
benefit
displayed
markers
inflammation
oxidative
stress.
Considering
suboptimal
insufficient
pertaining
certain
outcomes,
further
well‐designed
research
imperative
substantiate
observed
findings.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1300 - 1300
Published: Oct. 5, 2024
Background/Objectives:
Phloroglucinol
(PHL),
a
phenolic
compound
extracted
from
the
brown
alga
Rosenvingea
intricata,
exhibits
potent
antioxidant
and
anticancer
properties.
This
study
aims
to
extract,
purify,
characterize
PHL,
further
develop
functionalized
zinc
oxide
nanoparticles
(ZnO
NPs)
loaded
with
PHL
enhance
its
therapeutic
potential.
Methods:
was
using
acetone
purified
through
Sephadex
LH-20
column
chromatography,
yielding
highly
enriched
fraction
(F-3).
The
characterized
by
FTIR,
HPLC,
NMR,
LC-MS.
ZnO
NPs
were
synthesized,
PEGylated,
conjugated
forming
ZnO-PEG-PHL
NPs.
Their
characterization
included
DLS,
zeta
potential,
XRD,
SEM-EDAX,
encapsulation
efficiency
studies.
Antioxidant
assays
(DPPH,
FRAP,
ABTS,
RPA)
performed
in
vitro
cytotoxicity
on
A549
lung
cancer
cells
determined
evaluate
efficacy
of
PHL.
Results:
showed
high
content
(45.65
mg/g),
which
confirmed
spectral
analysis.
increased
size
32.36
nm
46.68
nm,
their
potential
shifting
−37.87
mV
−26.82
mV.
activity
superior
for
all
assays,
while
tests
an
IC50
40
µg/mL
compared
60
70
Apoptotic
studies
revealed
significant
cell
cycle
arrest
apoptosis
induction.
Conclusions:
synthesized
demonstrated
enhanced
properties,
making
them
promising
candidates
therapy
applications.