Progress in the discovery and development of anticancer agents from marine cyanobacteria
Natural Product Reports,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
We
describe
the
pipeline
of
anticancer
agents
from
marine
cyanobacteria,
highlighting
critical
steps
discovery
towards
development,
including
identification
molecular
target
and
mechanism
action,
solving
supply
problem.
Язык: Английский
Total Synthesis of the Marine Cyclic Depsipeptide Lagunamide D
Huiru Nan,
Xiong-En Long,
Jianfei He
и другие.
Marine Drugs,
Год журнала:
2025,
Номер
23(3), С. 99 - 99
Опубликована: Фев. 24, 2025
Lagunamide
D
is
a
structurally
distinct
26-membered
cytotoxic
cyclic
depsipeptide,
originally
isolated
from
marine
cyanobacterium.
It
exhibits
potent
antiproliferative
activity
in
the
low
nanomolar
range
against
A549
human
lung
adenocarcinoma
cells
and
HCT116
colon
cancer
cells.
A
significant
challenge
associated
with
lagunamide
its
propensity
for
intramolecular
acyl
migration,
which
leads
to
formation
of
contracted
24-membered
analog,
D′.
This
structural
rearrangement
complicates
isolation,
characterization,
synthesis.
In
this
study,
total
synthesis
was
achieved
14-step
longest
linear
sequence,
starting
known
intermediate
17,
an
overall
yield
4.6%.
The
synthetic
strategy
involved
several
key
transformations,
including
Ghosh’s
TiCl4-promoted
anti-aldol
reaction,
Corey–Bakshi–Shibata
reduction
(CBS
reduction),
cross-metathesis,
Pinnick
oxidation,
Yamaguchi
esterification.
Furthermore,
effort
unambiguously
confirmed
stereochemistry
natural
product.
Язык: Английский
Marine Cyanobacteria: A Rich Source of Structurally Unique Anti-Infectives for Drug Development
Molecules,
Год журнала:
2024,
Номер
29(22), С. 5307 - 5307
Опубликована: Ноя. 10, 2024
Marine
cyanobacteria
represent
a
promising
yet
underexplored
source
of
novel
natural
products
with
potent
biological
activities.
Historically,
the
focus
has
been
on
isolating
cytotoxic
compounds
from
marine
cyanobacteria,
but
substantial
number
these
photosynthetic
microorganisms
also
produce
diverse
specialized
molecules
significant
anti-infective
properties.
Given
global
pressing
need
for
new
lead
compounds,
this
review
provides
concise
comprehensive
overview
current
knowledge
secondary
metabolites
derived
cyanobacteria.
A
majority
were
isolated
free-living
filamentous
while
several
examples
cyanobacterial
symbionts.
In
addition,
SAR
studies
and
synthetic
analogs
based
selected
will
be
featured.
With
more
than
200
molecules,
presents
their
antibacterial,
antifungal,
antiviral,
antiprotozoal,
molluscicidal
activities,
chemical
information
covered
in
literature
up
to
September
2024.
Язык: Английский