Chinese Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Comprehensive
Summary
Dragocins
A—C
are
structurally
unique
marine
natural
products
featuring
an
uncommon
tri‐oxa‐tricyclic[6.2.1]undecane
moiety.
However,
their
extremely
low
abundance
has
hindered
extensive
screening
of
bioactivities.
We
hereby
describe
efficient
and
modular
approach
to
synthesizing
dragocins
analogues
using
commercially
available
inexpensive
anisomycin
D‐ribosyl
thioglycoside
derivative
as
the
starting
materials.
A
key
feature
our
synthesis
is
construction
skeleton.
This
challenging
architecture
achieved
by
stereocontrolled
formation
β‐ribofuranosidic
bond
DDQ
(2,3‐dichloro‐5,6‐dicyano‐1,4‐benzoquinone)‐promoted
intramolecular
cross‐dehydrogenative
etherification
at
benzylic
position.
Our
also
characterized
successful
installation
a
chlorine
atom
methoxy
group
tertiary
C‐4'
position
via
late‐stage
silver‐catalyzed
decarboxylative
chlorination
reaction
electrophilic
enol
intermediate.
Cytotoxicity
evaluations
synthesized
compounds
revealed
demethyl
dragocin
A,
N
‐demethylated
potential
anticancer
candidate
due
its
strong
cytotoxicity
against
A549
lung,
HCT116
colorectal
MCF7
breast
cancer
cell
lines.
work
demonstrated
preliminary
structure‐activity
relationship
this
compound,
setting
solid
foundation
for
developing
novel
candidates.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1878 - 1878
Published: May 15, 2024
Cancer
is
considered
one
of
the
leading
causes
death
in
21st
century.
The
intensive
search
for
new
anticancer
drugs
has
been
actively
pursued
by
chemists
and
pharmacologists
decades,
focusing
either
on
isolation
compounds
with
cytotoxic
properties
from
plants
or
screening
thousands
synthetic
molecules.
Compounds
that
could
potentially
become
candidates
must
have
ability
to
inhibit
proliferation
and/or
induce
apoptosis
cancer
cells
without
causing
too
much
damage
normal
cells.
Some
were
discovered
accident,
others
as
a
result
long-term
research.
In
this
review,
we
presented
brief
history
development
most
important
groups
drugs,
pointing
fact
they
all
many
side
effects.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 3, 2025
Cancer
and
microbial
infections
place
a
significant
burden
on
the
world's
health
systems
can
increase
rate
of
disease
mortality.
In
current
study,
novel
nanocomposite
based
Gum
Arabic,
silver
copper
oxide
nanoparticles
(GA@Ag-CuO
nanocomposite)
was
synthesized
to
overcome
problem
infection
in
cancer
treatment.
Characterization
using
UV-Vis.
spectrophotometer
reveals
that,
observed
peak
spectrum
formed
by
O.D.
at
0.755,
confirmed
that
produced
GA@Ag-CuO
small
discernible
360
nm.
The
particles'
diameters
varied
from
9.5
nm
49.5
nm,
with
mean
diameter
25.53
±
1.4
created
Arabic
filtrate
rich
active
functional
groups,
provided
polydisperse
NPs
were
intended
reduce,
stabilize,
act
as
capping
agents.
Based
XRD
data,
crystallized
had
face-centered
(fcc)
crystal
structure.
Biosafety
assessed
toward
Wi
38
normal
cell
line,
where
it
showed
safety
tested
line
IC50
154.2
µg/mL.
Antimicrobial
results
has
antibacterial
activity
MICs
15.6,
125,
31.25
125
µg/mL
against
S.
epidermis,
aureus,
L.
plantrum,
typhimurium,
respectively.
Likewise,
antifungal
C.
albicans
neoformans
62.5
15.62
µg/ml,
Moreover,
displayed
promising
anticancer
26.11
59.5
µg/ml
MCF-7
Hep-G2,
conclusion,
demonstrated
antibacterial,
antifungal,
activities.
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(2), P. 144 - 144
Published: Jan. 22, 2025
Background/Objectives:
Cancer
is
the
second
leading
cause
of
death
globally.
Medicinal
plants
have
emerged
as
fundamental
sources
bioactive
compounds
with
anticancer
potential,
largely
attributed
to
their
diverse
secondary
metabolites.
This
study
aimed
investigate
cytotoxic
effects
Helichrysum
arenarium
extracts
from
two
distinct
regions
Turkiye,
Mersin,
and
Artvin,
on
cancerous
(MDA-MB-231,
RT4,
T98G)
non-cancerous
(ARPE-19,
hGF)
cell
lines
identify
responsible
for
these
effects.
Methods:
H.
plant
were
prepared
using
ethanol
methanol
solvents,
followed
by
lyophilization
dissolution
in
DMSO.
The
evaluated
Hoechst
staining
MTS
assays
assess
viability.
IC50
values
selectivity
indices
calculated.
Phytochemical
composition
was
analyzed
Quadrupole
Time-of-Flight
mass
spectrometry.
Results:
extract
Mersin
(HAE-M)
demonstrated
superior
cytotoxicity,
particularly
against
breast
bladder
cancer
cells,
while
showing
minimal
impact
cells.
HAM-M,
HAE-A,
HAM-A
exhibited
comparatively
less
potent
analysis
HAE-M
identified
16
compounds,
including
Naringenin,
Luteolin,
Quercitrin,
known
antioxidant
properties.
Conclusions:
These
findings
highlight
potential
extracts,
HAE-M,
a
source
agents.
novel
its
comprehensive
different
extraction
methods
regional
sources,
combined
phytochemical
profiling,
selective
Further
investigations
into
mechanisms
action
could
contribute
development
plant-derived
therapies.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 1095 - 1095
Published: Jan. 27, 2025
The
treatment
of
bone
cancer
often
necessitates
the
surgical
removal
affected
tissues,
with
artificial
implants
playing
a
critical
role
in
replacing
lost
structure.
Functionalized
represent
an
innovative
approach
to
improve
bio-integration
and
long-term
effectiveness
surgery
treating
cancer-damaged
bones.
In
this
study,
nickel-substituted
hydroxyapatite
(Ni:HAp)
nanoparticles
were
deposited
as
thin
films
using
laser
pulses
range
30,000–60,000.
Comprehensive
structural,
infrared,
optical,
morphological,
surface,
magnetic
evaluations
conducted
on
synthesized
Ni:HAp
films.
hysteresis
(M-H)
loop
demonstrated
increase
saturation
magnetization
higher
number
pulses.
A
minimum
squareness
ratio
0.7
was
observed
at
45,000
pulses,
M-H
characteristics
indicated
shift
toward
ferromagnetic
behavior,
achieving
desired
thermal
response
through
alternating
field
application
within
80
s.
Thermogravimetric
analysis
revealed
distinct
stability,
material
structure
exhibiting
46%
degradation
800
°C.
incorporation
bioactive
film
holds
significant
promise
for
hyperthermia
treatment.
Using
HDOCK
simulations,
interactions
between
ligand
molecules
proteins
also
explored.
Strong
binding
affinities
docking
score
−67.73
thus
observed.
presence
Ca2+
ions
enhances
electrostatic
interactions,
providing
valuable
insights
into
biochemical
roles
therapeutic
applications.
Intravenous
administration
nanoparticles,
which
subsequently
aggregate
tumor
tissue,
combined
applied
field,
enable
targeted
heating
45
This
focused
selectively
targets
cells
while
preserving
surrounding
healthy
thereby
potentially
enhancing
therapy
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
This
research
article
investigates
the
anticancer
potential
of
Vallisneria
spiralis
Linnaeus
(Vallisneria
L.)
for
human
breast
cancer
management.
The
in
vitro
experiments
demonstrated
that
increasing
concentrations
silver
nanoparticles
(AgNPs)
and
iron
oxide
(IONPs)
resulted
greater
cytotoxicity
against
MCF-7
cells.
antioxidant
L.
was
assessed
using
2-diphenyl-1-picryl-hydroxyl
(DPPH)
radical
scavenging
assay,
which
showed
promising
results.
In
silico
analysis
involved
molecular
docking
phytocompounds
with
target
protein
(PDB
ID:
3CZH).
study
presents
a
novel
approach
to
treatment
by
developing
nanoparticle-based
drug
delivery
system
derived
from
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
Methods
The
ethanolic
roots
(CCRE)
and
leaves
(CCLE)
extracts
were
interrogated
for
their
apoptotic
potential
against
human
lung
adenocarcinoma
cell
line
(A549)
using
DNA
fragmentation,
Annexin
V-FITC/PI
staining
apoptosis
assay
cycle
analysis
flow
cytometry.
Results
Our
results
revealed
significant
damage
induced
death
in
A549
on
treatment
with
active
concentrations
(40
µg/ml
80
µg/ml)
of
the
S
phase
arrest.
Conclusions
This
is
first
study
demonstrating
inducing
chemically
characterized
bioactive
compounds
present
from
Chlorophytum
comosum
non-small
line.
concludes
that
can
be
a
candidate
natural
isolated,
clinically
evaluated
development
novel
naturally
derived
anti-cancer
drugs
cancer.